Added cancel to dialogs

// todo display generation

.gitignore

@@ -0,0 +1,13 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+/cmake-build-debug/**
+/.idea/**
+
+**.pro.user
+**.pro.user.*

.vscode/configurationCache.log

@@ -0,0 +1 @@
+{"buildTargets":[],"launchTargets":[],"customConfigurationProvider":{"workspaceBrowse":{"browsePath":[],"compilerArgs":[]},"fileIndex":[]}}

.vscode/dryrun.log

@@ -0,0 +1,6 @@
+make --dry-run --always-make --keep-going --print-directory
+make: Entering directory '/home/bbr/SchemeEditor'
+make: Leaving directory '/home/bbr/SchemeEditor'
+ 
+make: *** No targets specified and no makefile found.  Stop.
+

.vscode/targets.log

@@ -0,0 +1,288 @@
+make all --print-data-base --no-builtin-variables --no-builtin-rules --question
+make: *** No rule to make target 'all'.  Stop.
+
+# GNU Make 4.3
+# Built for x86_64-pc-linux-gnu
+# Copyright (C) 1988-2020 Free Software Foundation, Inc.
+# License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
+# This is free software: you are free to change and redistribute it.
+# There is NO WARRANTY, to the extent permitted by law.
+
+# Make data base, printed on Sun Apr 24 22:18:48 2022
+
+# Variables
+
+# environment
+GDK_BACKEND = x11
+# environment
+LC_ALL = C
+# environment
+NO_AT_BRIDGE = 1
+# environment
+VSCODE_IPC_HOOK_EXTHOST = /run/user/1000/vscode-ipc-378bef37-635c-4f71-808d-af9f8b80a929.sock
+# environment
+LC_NAME = hr_HR.UTF-8
+# environment
+LC_NUMERIC = hr_HR.UTF-8
+# environment
+VSCODE_CWD = /home/bbr
+# environment
+LC_ADDRESS = hr_HR.UTF-8
+# default
+MAKE_COMMAND := make
+# environment
+GTK3_MODULES = xapp-gtk3-module
+# automatic
+@D = $(patsubst %/,%,$(dir $@))
+# environment
+VSCODE_HANDLES_UNCAUGHT_ERRORS = true
+# default
+.VARIABLES := 
+# environment
+PWD = /home/bbr/SchemeEditor
+# automatic
+%D = $(patsubst %/,%,$(dir $%))
+# environment
+MAIL = /var/spool/mail/bbr
+# environment
+XDG_DATA_DIRS = /usr/local/share:/usr/share:/var/lib/snapd/desktop
+# automatic
+^D = $(patsubst %/,%,$(dir $^))
+# environment
+VSCODE_LOG_STACK = false
+# automatic
+%F = $(notdir $%)
+# environment
+VSCODE_CODE_CACHE_PATH = /home/bbr/.config/Code - OSS/CachedData/e18005f0f1b33c29e81d732535d8c0e47cafb0b5
+# environment
+XDG_SESSION_PATH = /org/freedesktop/DisplayManager/Session0
+# environment
+LANG = C
+# environment
+XAUTHORITY = /home/bbr/.Xauthority
+# default
+.LOADED := 
+# default
+.INCLUDE_DIRS = /usr/include /usr/local/include /usr/include
+# makefile
+MAKEFLAGS = pqrR
+# makefile
+CURDIR := /home/bbr/SchemeEditor
+# environment
+VSCODE_PIPE_LOGGING = true
+# environment
+APPLICATION_INSIGHTS_NO_DIAGNOSTIC_CHANNEL = true
+# automatic
+*D = $(patsubst %/,%,$(dir $*))
+# environment
+MFLAGS = -pqrR
+# environment
+SSH_AUTH_SOCK = /run/user/1000/keyring/ssh
+# default
+.SHELLFLAGS := -c
+# automatic
++D = $(patsubst %/,%,$(dir $+))
+# environment
+XDG_SESSION_DESKTOP = budgie-desktop
+# makefile
+MAKEFILE_LIST := 
+# automatic
+@F = $(notdir $@)
+# environment
+VSCODE_VERBOSE_LOGGING = true
+# environment
+VSCODE_PID = 1877190
+# environment
+XDG_SESSION_TYPE = x11
+# automatic
+?D = $(patsubst %/,%,$(dir $?))
+# environment
+SESSION_MANAGER = local/bbr:@/tmp/.ICE-unix/1465,unix/bbr:/tmp/.ICE-unix/1465
+# automatic
+*F = $(notdir $*)
+# environment
+QT_QPA_PLATFORMTHEME = qt5ct
+# environment
+CHROME_DESKTOP = code-oss.desktop
+# environment
+DBUS_SESSION_BUS_ADDRESS = unix:path=/run/user/1000/bus
+# automatic
+<D = $(patsubst %/,%,$(dir $<))
+# environment
+VSCODE_NLS_CONFIG = {"locale":"en-gb","availableLanguages":{},"_languagePackSupport":true}
+# default
+MAKE_HOST := x86_64-pc-linux-gnu
+# makefile
+SHELL = /bin/sh
+# default
+MAKECMDGOALS := all
+# environment
+DOTNET_BUNDLE_EXTRACT_BASE_DIR = /home/bbr/.cache/dotnet_bundle_extract
+# environment
+SHLVL = 0
+# environment
+MAKELEVEL := 0
+# default
+MAKE = $(MAKE_COMMAND)
+# environment
+PATH = /home/bbr/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/home/bbr/.dotnet/tools:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/var/lib/snapd/snap/bin
+# default
+MAKEFILES := 
+# environment
+LC_MONETARY = hr_HR.UTF-8
+# environment
+MOTD_SHOWN = pam
+# automatic
+^F = $(notdir $^)
+# environment
+LC_TIME = hr_HR.UTF-8
+# environment
+GRADLE_HOME = /usr/share/java/gradle
+# environment
+VSCODE_LOG_NATIVE = false
+# environment
+LC_TELEPHONE = hr_HR.UTF-8
+# automatic
+?F = $(notdir $?)
+# environment
+XDG_CURRENT_DESKTOP = Budgie:GNOME
+# automatic
++F = $(notdir $+)
+# environment
+XDG_SEAT_PATH = /org/freedesktop/DisplayManager/Seat0
+# environment
+DESKTOP_SESSION = budgie-desktop
+# environment
+ORIGINAL_XDG_CURRENT_DESKTOP = Budgie:GNOME
+# 'override' directive
+GNUMAKEFLAGS := 
+# environment
+LOGNAME = bbr
+# environment
+GIO_LAUNCHED_DESKTOP_FILE = /usr/share/applications/code-oss.desktop
+# makefile
+.DEFAULT_GOAL := 
+# environment
+EDITOR = /usr/bin/nano
+# environment
+DISPLAY = :0
+# environment
+GTK_MODULES = canberra-gtk-module
+# environment
+USER = bbr
+# default
+MAKE_VERSION := 4.3
+# environment
+LC_MEASUREMENT = hr_HR.UTF-8
+# environment
+GIO_LAUNCHED_DESKTOP_FILE_PID = 1877159
+# environment
+_ = /usr/bin/make
+# environment
+LC_PAPER = hr_HR.UTF-8
+# environment
+XDG_RUNTIME_DIR = /run/user/1000
+# environment
+XDG_SESSION_CLASS = user
+# environment
+VSCODE_AMD_ENTRYPOINT = vs/workbench/api/node/extensionHostProcess
+# environment
+GTK2_RC_FILES = /home/bbr/.gtkrc-2.0
+# environment
+HOME = /home/bbr
+# environment
+ELECTRON_RUN_AS_NODE = 1
+# environment
+VSCODE_IPC_HOOK = /run/user/1000/vscode-bb99a93f-1.66.0-main.sock
+# default
+.RECIPEPREFIX := 
+# automatic
+<F = $(notdir $<)
+# default
+SUFFIXES := 
+# environment
+VSCODE_CLI = 1
+# environment
+ELECTRON_NO_ATTACH_CONSOLE = 1
+# environment
+XDG_GREETER_DATA_DIR = /var/lib/lightdm-data/bbr
+# default
+.FEATURES := target-specific order-only second-expansion else-if shortest-stem undefine oneshell nocomment grouped-target extra-prereqs archives jobserver output-sync check-symlink guile load
+# environment
+XDG_MENU_PREFIX = gnome-
+# environment
+DOTNET_ROOT = /usr/share/dotnet
+# environment
+GDMSESSION = budgie-desktop
+# environment
+LC_IDENTIFICATION = hr_HR.UTF-8
+# variable set hash-table stats:
+# Load=102/1024=10%, Rehash=0, Collisions=5/129=4%
+
+# Pattern-specific Variable Values
+
+# No pattern-specific variable values.
+
+# Directories
+
+# . (device 66306, inode 9380506): 17 files, no impossibilities.
+
+# 17 files, no impossibilities in 1 directories.
+
+# Implicit Rules
+
+# No implicit rules.
+
+# Files
+
+# Not a target:
+Makefile:
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has been updated.
+#  Failed to be updated.
+
+# Not a target:
+.DEFAULT:
+#  Implicit rule search has not been done.
+#  Modification time never checked.
+#  File has not been updated.
+
+# Not a target:
+all:
+#  Command line target.
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has not been updated.
+
+# Not a target:
+makefile:
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has been updated.
+#  Failed to be updated.
+
+# Not a target:
+GNUmakefile:
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has been updated.
+#  Failed to be updated.
+
+# files hash-table stats:
+# Load=6/1024=1%, Rehash=0, Collisions=0/15=0%
+# VPATH Search Paths
+
+# No 'vpath' search paths.
+
+# No general ('VPATH' variable) search path.
+
+# strcache buffers: 1 (0) / strings = 25 / storage = 264 B / avg = 10 B
+# current buf: size = 8162 B / used = 264 B / count = 25 / avg = 10 B
+
+# strcache performance: lookups = 28 / hit rate = 10%
+# hash-table stats:
+# Load=25/8192=0%, Rehash=0, Collisions=0/28=0%
+# Finished Make data base on Sun Apr 24 22:18:48 2022
+
+ 

CMakeLists.txt

@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.9)
+project(SchemeEditor)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+find_package(Qt5 CONFIG REQUIRED COMPONENTS Core Gui Widgets)
+set(CMAKE_AUTOMOC TRUE)
+set(CMAKE_AUTORCC TRUE)
+set(CMAKE_AUTOUIC TRUE)
+add_executable(SchemeEditor
+  mainwindow.cpp
+  comdel/display/component_display.cpp
+  comdel/display/schema_display.cpp
+  comdel/display/library_display.cpp
+  comdel/domain/value.cpp
+  comdel/domain/schema.cpp
+  comdel/domain/component.cpp
+        comdel/domain/connection_instance.cpp
+  comdel/domain/rule.cpp
+        comdel/domain/attribute.cpp
+  comdel/domain/bus.cpp
+  comdel/domain/pin.cpp
+  comdel/domain/display.cpp
+  comdel/domain/library.cpp
+        comdel/domain/function_signature.cpp
+        comdel/domain/address_space.cpp
+        comdel/domain/instance_attribute.cpp
+  comdel/domain/connection.cpp
+  comdel/domain/instance.cpp
+        comdel/domain/schema_creator.cpp
+        comdel/parser/comdel_parser.cpp
+  comdel/parser/token.cpp
+        comdel/parser/source_error.cpp
+        comdel/parser/parse_context.cpp
+        comdel/parser/tokens_type.cpp
+        comdel/parser/ast_nodes.cpp
+        comdel/parser/parser_util.cpp
+        comdel/parser/comdel_lexer.cpp
+  main.cpp
+  mainwindow.ui
+        comdel/domain/comdel_validator.cpp comdel/domain/comdel_validator.h comdel/display/attribute_dialog.cpp comdel/display/attribute_dialog.h comdel/display/name_dialog.cpp comdel/display/name_dialog.h comdel/domain/comdel_generator.cpp comdel/domain/comdel_generator.h comdel/display/library_list.cpp comdel/display/library_list.h application.cpp application.h comdel/display/single_automatic_dialog.cpp comdel/display/single_automatic_dialog.h)
+target_link_libraries(SchemeEditor Qt5::Core Qt5::Gui Qt5::Widgets)

SchemeEditor.pro

@@ -9,65 +9,80 @@ CONFIG += c++17
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
-    comdel/domain/addressspace.cpp \
+    comdel/display/attribute_dialog.cpp \
+    comdel/display/component_display.cpp \
+    comdel/display/library_display.cpp \
+    comdel/display/library_list.cpp \
+    comdel/display/name_dialog.cpp \
+    comdel/display/schema_display.cpp \
+    comdel/display/single_automatic_dialog.cpp \
+    comdel/domain/address_space.cpp \
     comdel/domain/attribute.cpp \
     comdel/domain/bus.cpp \
-    comdel/domain/comdelgenerator.cpp \
+    comdel/domain/comdel_generator.cpp \
+    comdel/domain/comdel_validator.cpp \
     comdel/domain/component.cpp \
     comdel/domain/connection.cpp \
-    comdel/domain/connectioninstance.cpp \
+    comdel/domain/connection_instance.cpp \
     comdel/domain/display.cpp \
-    comdel/domain/functionsignature.cpp \
+    comdel/domain/function_signature.cpp \
     comdel/domain/instance.cpp \
-    comdel/domain/instanceattribute.cpp \
+    comdel/domain/instance_attribute.cpp \
     comdel/domain/library.cpp \
     comdel/domain/pin.cpp \
     comdel/domain/rule.cpp \
     comdel/domain/schema.cpp \
+    comdel/domain/schema_creator.cpp \
     comdel/domain/value.cpp \
-    comdel/domain/wireinstance.cpp \
-    comdel/parser/assert.cpp \
-    comdel/parser/astnode.cpp \
-    comdel/parser/comdellexer.cpp \
-    comdel/parser/comdelparser.cpp \
-    comdel/parser/parsecontext.cpp \
-    comdel/parser/parserutil.cpp \
-    comdel/parser/sourceerror.cpp \
+    comdel/parser/ast_nodes.cpp \
+    comdel/parser/comdel_lexer.cpp \
+    comdel/parser/comdel_parser.cpp \
+    comdel/parser/parse_context.cpp \
+    comdel/parser/parser_util.cpp \
+    comdel/parser/source_error.cpp \
     comdel/parser/token.cpp \
-    comdel/parser/tokenstype.cpp \
+    comdel/parser/tokens_type.cpp \
+    application.cpp \
     main.cpp \
     mainwindow.cpp
 
 HEADERS += \
-    comdel/domain/addressspace.h \
+    comdel/display/attribute_dialog.h \
+    comdel/display/component_display.h \
+    comdel/display/library_display.h \
+    comdel/display/library_list.h \
+    comdel/display/name_dialog.h \
+    comdel/display/schema_display.h \
+    comdel/display/single_automatic_dialog.h \
+    comdel/domain/address_space.h \
     comdel/domain/attribute.h \
     comdel/domain/bus.h \
-    comdel/domain/comdelgenerator.h \
+    comdel/domain/comdel_generator.h \
+    comdel/domain/comdel_validator.h \
     comdel/domain/component.h \
     comdel/domain/connection.h \
-    comdel/domain/connectioninstance.h \
+    comdel/domain/connection_instance.h \
     comdel/domain/display.h \
-    comdel/domain/functionsignature.h \
+    comdel/domain/function_signature.h \
     comdel/domain/instance.h \
-    comdel/domain/instanceattribute.h \
+    comdel/domain/instance_attribute.h \
     comdel/domain/library.h \
     comdel/domain/pin.h \
     comdel/domain/rule.h \
     comdel/domain/schema.h \
+    comdel/domain/schema_creator.h \
     comdel/domain/value.h \
-    comdel/domain/wireinstance.h \
-    comdel/parser/assert.h \
-    comdel/parser/astnode.h \
-    comdel/parser/comdellexer.h \
-    comdel/parser/comdelparser.h \
+    comdel/parser/ast_nodes.h \
+    comdel/parser/comdel_lexer.h \
+    comdel/parser/comdel_parser.h \
     comdel/parser/expected.h \
-    comdel/parser/parsecontext.h \
-    comdel/parser/parserutil.h \
+    comdel/parser/parse_context.h \
+    comdel/parser/parser_util.h \
     comdel/parser/poly.h \
     comdel/parser/presult.h \
-    comdel/parser/sourceerror.h \
+    comdel/parser/source_error.h \
     comdel/parser/token.h \
-    comdel/parser/tokenstype.h \
+    comdel/parser/tokens_type.h \
     mainwindow.h
 
 FORMS += \

SchemeEditor.pro.user

@@ -1,268 +0,0 @@
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-   <value type="bool" key="EditorConfiguration.CamelCaseNavigation">true</value>
-   <valuemap type="QVariantMap" key="EditorConfiguration.CodeStyle.0">
-    <value type="QString" key="language">Cpp</value>
-    <valuemap type="QVariantMap" key="value">
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-   <value type="int" key="EditorConfiguration.PaddingMode">1</value>
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application.cpp

@@ -0,0 +1,394 @@
+//
+// Created by bbr on 27.05.22..
+//
+
+#include "application.h"
+#include "comdel/parser/parse_context.h"
+#include "comdel/parser/parser_util.h"
+#include "comdel/domain/schema_creator.h"
+#include "comdel/domain/comdel_generator.h"
+#include "comdel/domain/comdel_validator.h"
+
+std::optional<domain::Library> Application::getLibrary() {
+    return library;
+}
+
+domain::Schema *Application::getSchema() {
+    return schema;
+}
+
+void Application::clear() {
+    if (schema != nullptr) {
+        delete schema;
+        schema = nullptr;
+    }
+    library = std::nullopt;
+    libraryPath = "";
+}
+
+bool Application::loadLibrary(std::string &filename, std::ostream &errorOutput) {
+    clear();
+
+    ParseContext parseContext;
+    auto libraryNode = load_library_from_file(&parseContext, filename.c_str(), errorOutput);
+    if (libraryNode) {
+        domain::SchemaCreator generator(validators);
+        library = generator.loadLibrary(*libraryNode);
+
+        for (auto &error: generator.getErrors()) {
+            parseContext.formatError(error, errorOutput, "ERROR: ");
+        }
+
+        if (library.has_value()) {
+            libraryPath = filename;
+            // on library load we create a new schema
+            schema = new domain::Schema(library.value());
+        } else {
+            errorOutput << "Failed creating library model" << std::endl;
+            return false;
+        }
+
+    } else {
+        errorOutput << "Failed parsing library" << std::endl;
+        return false;
+    }
+    return true;
+}
+
+std::pair<bool, std::vector<domain::ValidationError>> Application::loadSchema(std::string &filename, std::ostream &errorOutput) {
+    clear();
+
+    std::vector<domain::ValidationError> errors;
+
+    ParseContext parseContext;
+    auto schemaNode = load_schema_from_file(&parseContext, filename.c_str(), errorOutput);
+
+    if (schemaNode) {
+        domain::SchemaCreator generator(validators);
+        library = generator.loadLibrary(*schemaNode->library);
+
+        libraryPath = schemaNode->source->asString();
+
+        for (auto &error: generator.getErrors()) {
+            parseContext.formatError(error, errorOutput, "ERROR: ");
+        }
+
+        if (library) {
+            schema = generator.loadSchema(*schemaNode, *library);
+
+            for (auto &error: generator.getErrors()) {
+                parseContext.formatError(error, errorOutput, "ERROR: ");
+            }
+
+            if (schema == nullptr) {
+                clear();
+                return {false, errors};
+            }
+        } else {
+            clear();
+            return {false, errors};
+        }
+
+    } else {
+        errorOutput << "Failed parsing library" << std::endl;
+        return {false, errors};
+    }
+
+    domain::ComdelValidator validator{validators};
+
+    domain::ValidationContext context;
+    context.instance = nullptr;
+    context.attribute = nullptr;
+    context.addressSpaces = {};
+
+    auto memoryReferenceValidation = validator.validateMemoryReferences(*schema, *library, context);
+    errors.insert(errors.end(), memoryReferenceValidation.begin(), memoryReferenceValidation.end());
+
+    auto nameValidation = validator.validateInstanceNames(*schema, *library, context);
+    errors.insert(errors.end(), nameValidation.begin(), nameValidation.end());
+
+    if(!errors.empty()) {
+        clear();
+        return {false, errors};
+    }
+
+    return {true, errors};
+}
+
+bool Application::generateSchema(std::ostringstream &output) {
+    if (schema == nullptr) {
+        return false;
+    }
+    domain::generate_schema(libraryPath, schema, output);
+    return true;
+}
+
+std::vector<domain::ValidationError> Application::validateSchema() {
+    if (schema == nullptr) {
+        return std::vector<domain::ValidationError>{domain::ValidationError(domain::Action::ERROR, "No schema loaded")};
+    }
+
+    domain::ComdelValidator validator{validators};
+
+    domain::ValidationContext context;
+    context.instance = nullptr;
+    context.attribute = nullptr;
+    context.addressSpaces = {};
+
+    for (auto &lib: library->getAddressSpaces()) {
+        context.addressSpaces.insert(std::make_pair(lib.getName(), lib));
+    }
+    auto errors = validator.validateSchema(*schema, context);
+
+    auto memoryReferenceValidation = validator.validateMemoryReferences(*schema, *library, context);
+    errors.insert(errors.end(), memoryReferenceValidation.begin(), memoryReferenceValidation.end());
+
+    auto nameValidation = validator.validateInstanceNames(*schema, *library, context);
+    errors.insert(errors.end(), nameValidation.begin(), nameValidation.end());
+
+    auto countValidation = validator.validateInstanceCount(*schema, *library, context);
+    errors.insert(errors.end(), countValidation.begin(), countValidation.end());
+
+    auto pinValidation = validator.validatePinConnections(*schema, *library, context);
+    errors.insert(errors.end(), pinValidation.begin(), pinValidation.end());
+    return errors;
+}
+
+std::vector<domain::ValidationError> Application::generateComdel(std::ostringstream &output) {
+
+    auto errors = validateSchema();
+    if (!Application::hasErrors(errors)) {
+        // as long as all validation errors are warning we continue with build
+        domain::generate_comdel(schema, library.value(), output);
+    }
+    return errors;
+}
+
+bool Application::hasErrors(std::vector<domain::ValidationError> errors) {
+    for (auto &err: errors) {
+        if (err.type == domain::Action::ERROR) {
+            return true;
+        }
+    }
+    return false;
+}
+
+// static instance of application
+static Application *application = nullptr;
+
+Application *Application::instance() {
+    if (application == nullptr) {
+        application = new Application();
+    }
+    return application;
+}
+
+std::shared_ptr<domain::ComponentInstance>
+Application::addComponent(domain::Component component, std::vector<domain::InstanceAttribute> attributes, int x,
+                          int y) {
+    std::set<std::string> names;
+    for (const auto &c: schema->componentInstances) {
+        names.insert(c->name);
+    }
+    std::string name = generateName(names, component.getInstanceName());
+
+    schema->componentInstances.push_back(
+            std::make_shared<domain::ComponentInstance>(name, attributes, std::make_pair(x, y), component));
+    return schema->componentInstances.back();
+}
+
+std::shared_ptr<domain::BusInstance> Application::addBus(domain::Bus bus, int x, int y) {
+    std::set<std::string> names;
+    for (const auto &b: schema->busInstances) {
+        names.insert(b->name);
+    }
+    std::string name = generateName(names, bus.getInstanceName());
+
+    schema->busInstances.push_back(std::make_shared<domain::BusInstance>(name, std::make_pair(x, y), bus));
+    return schema->busInstances.back();
+}
+
+
+std::string Application::generateName(std::set<std::string> &names, std::string instanceName) {
+    if (names.find(instanceName) == names.end()) {
+        return instanceName;
+    }
+    char buffer[4];
+    for (int i = 0; i < 1000; i++) {
+        sprintf(buffer, "%03d", i);
+        auto name = instanceName + "_" + buffer;
+        if (names.find(name) == names.end()) {
+            return name;
+        }
+    }
+    // return default value as this should never happen
+    return instanceName;
+}
+
+bool Application::removeComponent(std::string componentName) {
+    auto component = findComponentByName(componentName);
+    if (component == nullptr) {
+        return false;
+    }
+
+    std::set<domain::BusInstance*> automaticBusses;
+
+    schema->connections.erase(
+            std::remove_if(
+                    schema->connections.begin(),
+                    schema->connections.end(),
+                    [component, &automaticBusses](const std::shared_ptr<domain::ConnectionInstance> &conn) {
+                        auto busConnection = dynamic_cast<domain::BusConnectionInstance *>(conn.get());
+                        if (busConnection) {
+                            if (busConnection->instance == component) {
+                                return true;
+                            }
+                        }
+                        auto directConnection = dynamic_cast<domain::DirectConnectionInstance *>(conn.get());
+                        if (directConnection) {
+                            if (directConnection->instance == component || directConnection->secondInstance == component) {
+                                automaticBusses.insert(directConnection->bus);
+                                return true;
+                            }
+                        }
+                        return false;
+                    }),
+            schema->connections.end()
+    );
+
+    schema->busInstances.erase(
+            std::remove_if(
+                    schema->busInstances.begin(),
+                    schema->busInstances.end(),
+                    [&automaticBusses](const std::shared_ptr<domain::BusInstance> &bus) {
+                        return automaticBusses.count(bus.get());
+                    }),
+            schema->busInstances.end()
+    );
+
+    if(component->component.getType() == domain::Component::MEMORY) {
+        for(auto& comp: schema->componentInstances) {
+            if(comp->component.getType() == domain::Component::PROCESSOR) {
+                for(auto& attribute: comp->attributes) {
+                    if(attribute.value.isType(domain::Value::MEMORY_REFERENCE) && attribute.value.asMemoryReference() == component->name) {
+                        attribute.value = domain::Value::fromMemoryReference(std::nullopt);
+                    }
+                }
+            }
+        }
+    }
+
+    for(auto iter = schema->componentInstances.begin(); iter != schema->componentInstances.end(); ++iter) {
+        if(iter->get() == component) {
+            schema->componentInstances.erase(iter);
+            break;
+        }
+    }
+
+    return true;
+}
+
+void Application::removeConnection(domain::ConnectionInstance *connectionInstance) {
+    if(auto directConnection = dynamic_cast<domain::DirectConnectionInstance*>(connectionInstance)) {
+        schema->busInstances.erase(
+                std::remove_if(
+                        schema->busInstances.begin(),
+                        schema->busInstances.end(),
+                        [directConnection](const std::shared_ptr<domain::BusInstance> &bus) {
+                            return directConnection->bus == bus.get();
+                        }),
+                schema->busInstances.end()
+        );
+    }
+    schema->connections.erase(
+            std::remove_if(
+                    schema->connections.begin(),
+                    schema->connections.end(),
+                    [connectionInstance](const std::shared_ptr<domain::ConnectionInstance> &conn) {
+                        return connectionInstance == conn.get();
+                    }),
+                    schema->connections.end()
+            );
+
+}
+
+bool Application::removeBus(std::string busName) {
+    auto bus = findBusByName(busName);
+    if (bus == nullptr) {
+        return false;
+    }
+
+    schema->connections.erase(
+            std::remove_if(
+                    schema->connections.begin(),
+                    schema->connections.end(),
+                    [bus](const std::shared_ptr<domain::ConnectionInstance> &conn) {
+                        auto busConnection = dynamic_cast<domain::BusConnectionInstance *>(conn.get());
+                        if (busConnection) {
+                            if (busConnection->bus == bus) {
+                                return true;
+                            }
+                        }
+                        return false;
+                    }),
+            schema->connections.end()
+    );
+
+    for(auto iter = schema->busInstances.begin(); iter != schema->busInstances.end(); ++iter) {
+        if(iter->get() == bus) {
+            schema->busInstances.erase(iter);
+            break;
+        }
+    }
+
+    return true;
+}
+
+domain::ComponentInstance *Application::findComponentByName(std::string componentName) {
+    for (auto &comp: schema->componentInstances) {
+        if (comp->name == componentName) {
+            return comp.get();
+        }
+    }
+    return nullptr;
+}
+
+domain::BusInstance *Application::findBusByName(std::string busName) {
+    for (auto &bus: schema->busInstances) {
+        if (bus->name == busName) {
+            return bus.get();
+        }
+    }
+    return nullptr;
+}
+
+void Application::renameComponent(std::string currentName, std::string newName) {
+    if(currentName == newName) {
+        return;
+    }
+    auto component = findComponentByName(currentName);
+    if(component) {
+        component->name = newName;
+        if(component->component.getType() == domain::Component::MEMORY) {
+            for(auto& comp: schema->componentInstances) {
+                if(comp.get()->component.getType() == domain::Component::PROCESSOR) {
+                    for(auto& attribute: comp.get()->attributes) {
+                        if(attribute.value.isType(domain::Value::MEMORY_REFERENCE) && attribute.value.asMemoryReference() == currentName) {
+                            attribute.value = domain::Value::fromMemoryReference(newName);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+void Application::renameBus(std::string currentName, std::string newName) {
+    if(currentName == newName) {
+        return;
+    }
+    auto bus = findBusByName(currentName);
+    if(bus) {
+        bus->name = newName;
+    }
+}

application.h

@@ -0,0 +1,60 @@
+//
+// Created by bbr on 27.05.22..
+//
+
+#ifndef SCHEMEEDITOR_APPLICATION_H
+#define SCHEMEEDITOR_APPLICATION_H
+
+
+#include <set>
+#include "comdel/domain/library.h"
+#include "comdel/domain/schema.h"
+#include "comdel/domain/comdel_validator.h"
+
+
+class Application {
+private:
+    std::string libraryPath;
+    std::optional<domain::Library> library = std::nullopt;
+    domain::Schema* schema = nullptr;
+    std::vector<domain::FunctionValidator*> validators = domain::getSupportedValidators();
+
+    std::string generateName(std::set<std::string>& names, std::string instanceName);
+
+    domain::ComponentInstance *findComponentByName(std::string componentName);
+    domain::BusInstance *findBusByName(std::string busName);
+
+public:
+    std::optional<domain::Library> getLibrary();
+    domain::Schema* getSchema();
+
+    void clear();
+
+    bool loadLibrary(std::string& filename, std::ostream& errorOutput);
+    std::pair<bool, std::vector<domain::ValidationError>> loadSchema(std::string& filename, std::ostream& errorOutput);
+
+    static Application* instance();
+
+    bool generateSchema(std::ostringstream &output);
+    std::vector<domain::ValidationError> validateSchema();
+    std::vector<domain::ValidationError> generateComdel(std::ostringstream &output);
+
+    std::shared_ptr<domain::ComponentInstance> addComponent(domain::Component component, std::vector<domain::InstanceAttribute> attributes, int x, int y);
+    bool removeComponent(std::string component);
+
+    std::shared_ptr<domain::BusInstance> addBus(domain::Bus bus, int x, int y);
+    bool removeBus(std::string bus);
+
+    static bool hasErrors(std::vector<domain::ValidationError> empty);
+
+    ~Application() = default;
+
+    void renameComponent(std::string currentName, std::string newName);
+
+    void renameBus(std::string currentName, std::string newName);
+
+    void removeConnection(domain::ConnectionInstance *pInstance);
+};
+
+
+#endif //SCHEMEEDITOR_APPLICATION_H

comdel/display/attribute_dialog.cpp

@@ -0,0 +1,283 @@
+//
+// Created by bbr on 18. 04. 2022..
+//
+
+#include "attribute_dialog.h"
+#include "mainwindow.h"
+
+#include "application.h"
+
+namespace display {
+
+    AttributeDialog::AttributeDialog(domain::InstanceAttribute *attribute, bool updating) {
+
+        setAttribute(Qt::WA_DeleteOnClose);
+
+        attributeValue = attribute;
+
+        auto actionType = updating ? "Izmjeni " : "Postavi ";
+
+        this->setWindowTitle(QString::fromStdString(actionType + attribute->attribute.getName()));
+
+        auto layout = new QVBoxLayout(this);
+        this->setLayout(layout);
+        auto popup = *attribute->attribute.getPopup();
+
+        layout->addWidget(new QLabel(popup.getTitle().c_str()));
+        layout->addWidget(new QLabel(popup.getText().c_str()));
+
+        auto type = attribute->attribute.getDefault().getType();
+        value = attribute->value;
+
+        if (attribute->attribute.getPopup()->isEnumerated()) {
+            auto *combo = new QComboBox(this);
+            auto enumeration = attribute->attribute.getPopup()->getEnumeration();
+            for (auto entry: enumeration) {
+                combo->addItem(QString::fromStdString(entry.getName()));
+            }
+
+            connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
+                    &AttributeDialog::onEnumerationChanged);
+            layout->addWidget(combo);
+
+            for (int i = 0; i < enumeration.size(); i++) {
+                if (attributeValue->value.equals(enumeration[i].getValue())) {
+                    combo->setCurrentIndex(i);
+                    break;
+                }
+            }
+
+        } else if (!(type == domain::Value::ValueType::WIRE_REFERENCE || type == domain::Value::ValueType::BOOL)) {
+
+            auto edit = new QLineEdit(this);
+            connect(edit, &QLineEdit::textChanged, this, &AttributeDialog::onTextChanged);
+            layout->addWidget(edit);
+
+            switch (attribute->attribute.getDefault().getType()) {
+                case domain::Value::ValueType::INT:
+                    edit->setValidator(new QIntValidator(-10000000, 10000000, edit));
+                    edit->insert(std::to_string(attribute->value.asInt()).c_str());
+                    break;
+                case domain::Value::ValueType::STRING:
+                    edit->insert(attribute->value.asString().c_str());
+                    break;
+                default:
+                    throw std::exception();
+            }
+
+        } else if (type == domain::Value::ValueType::BOOL) {
+            auto *group = new QGroupBox(this);
+
+            auto *radioLayout = new QHBoxLayout(group);
+            group->setLayout(radioLayout);
+
+            auto isTrue = new QRadioButton("da", group);
+            connect(isTrue, &QRadioButton::clicked, [this]() {
+                this->value = domain::Value::fromBool(true);
+            });
+            auto isFalse = new QRadioButton("ne", group);
+            connect(isFalse, &QRadioButton::clicked, [this]() {
+                this->value = domain::Value::fromBool(false);
+            });
+
+            if (attribute->value.asBool()) {
+                isTrue->setChecked(true);
+            } else {
+                isFalse->setChecked(true);
+            }
+
+            radioLayout->addWidget(isTrue);
+            radioLayout->addWidget(isFalse);
+            layout->addWidget(group);
+        }
+
+
+        auto buttonLayout = new QHBoxLayout(this);
+
+        auto okButton = new QPushButton(updating ? "Ažuriraj" : "Postavi", this);
+        auto cancelButton = new QPushButton("Odustani", this);
+
+        connect(okButton, &QPushButton::clicked, this, &AttributeDialog::onUpdate);
+        connect(cancelButton, &QPushButton::clicked, [this]() { reject(); });
+
+        buttonLayout->addWidget(okButton);
+        buttonLayout->addWidget(cancelButton);
+
+        layout->addLayout(buttonLayout);
+    }
+
+    void AttributeDialog::onUpdate() {
+        auto oldValue = attributeValue->value;
+
+        attributeValue->value = value;
+        domain::ComdelValidator validator(domain::getSupportedValidators());
+
+        domain::ValidationContext context;
+
+        for (auto &addressSpace: Application::instance()->getLibrary()->getAddressSpaces()) {
+            context.addressSpaces.insert(std::make_pair(addressSpace.getName(), addressSpace));
+        }
+
+        auto validationErrors = validator.validateAttribute(attributeValue, context);
+        if (validationErrors.empty()) {
+            accept();
+        } else {
+            bool canAccept = true;
+
+            std::vector<domain::ValidationError> errors;
+            std::vector<domain::ValidationError> warnings;
+            for (auto &err: validationErrors) {
+                if (err.type == domain::Action::ERROR) {
+                    errors.push_back(err);
+                } else {
+                    warnings.push_back(err);
+                }
+            }
+            if (!errors.empty()) {
+                canAccept = false;
+                auto errorDialog = new ErrorDialog(errors);
+                errorDialog->exec();
+            }
+
+            for (auto &warning: warnings) {
+                auto warningDialog = new WarningDialog(warning);
+                int response = warningDialog->exec();
+                if (response == QDialog::Rejected) {
+                    canAccept = false;
+                }
+            }
+
+            if (canAccept) {
+                accept();
+            } else {
+                attributeValue->value = oldValue;
+            }
+        }
+    }
+
+    void AttributeDialog::onTextChanged(const QString &string) {
+        switch (value.getType()) {
+            case domain::Value::STRING:
+                value.setString(string.toStdString());
+                break;
+            case domain::Value::INT:
+                value = domain::Value::fromInt(parseInt(string.toStdString()));
+                break;
+            default:
+                throw std::exception();
+        }
+    }
+
+    void AttributeDialog::onEnumerationChanged(int index) {
+        value = attributeValue->attribute.getPopup()->getEnumeration()[index].getValue();
+    }
+
+    MemoryDialog::MemoryDialog(domain::InstanceAttribute *attribute,
+                               std::vector<std::shared_ptr<domain::ComponentInstance>> instances, bool updating) {
+        memoryInstances = std::vector<std::string>();
+
+        setAttribute(Qt::WA_DeleteOnClose);
+
+        attributeValue = attribute;
+
+        auto actionType = updating ? "Izmjeni memoriju" : "Postavi memoriju";
+
+        this->setWindowTitle(QString::fromStdString(actionType));
+
+        for (auto &instance: instances) {
+            if (instance->component.getType() == domain::Component::MEMORY) {
+                memoryInstances.push_back(instance->name);
+            }
+        }
+
+        auto layout = new QVBoxLayout(this);
+        this->setLayout(layout);
+        auto popup = *attribute->attribute.getPopup();
+
+        layout->addWidget(new QLabel(popup.getTitle().c_str()));
+        layout->addWidget(new QLabel(popup.getText().c_str()));
+
+        value = attribute->value;
+
+        auto *combo = new QComboBox(this);
+        for (auto &entry: memoryInstances) {
+            combo->addItem(QString::fromStdString(entry));
+        }
+        combo->addItem("null");
+
+        connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &MemoryDialog::onMemoryChanged);
+        layout->addWidget(combo);
+
+        combo->setCurrentIndex(memoryInstances.size());
+        for (int i = 0; i < memoryInstances.size(); i++) {
+            if (attributeValue->value.asMemoryReference().has_value() &&
+                attributeValue->value.asMemoryReference() == memoryInstances[i]) {
+                combo->setCurrentIndex(i);
+                break;
+            }
+        }
+
+        auto buttonLayout = new QHBoxLayout(this);
+
+        auto okButton = new QPushButton(updating ? "Ažuriraj" : "Postavi");
+        auto cancelButton = new QPushButton("Odustani", this);
+
+        connect(okButton, &QPushButton::clicked, this, &MemoryDialog::onUpdate);
+        connect(cancelButton, &QPushButton::clicked, [this]() { reject(); });
+
+        buttonLayout->addWidget(okButton);
+        buttonLayout->addWidget(cancelButton);
+
+        layout->addLayout(buttonLayout);
+    }
+
+    void MemoryDialog::onUpdate() {
+        attributeValue->value = value;
+        accept();
+    }
+
+    void MemoryDialog::onMemoryChanged(int index) {
+        if (index == memoryInstances.size()) {
+            value = domain::Value::fromMemoryReference(std::nullopt);
+        } else {
+            value = domain::Value::fromMemoryReference(memoryInstances[index]);
+        }
+    }
+
+    ErrorDialog::ErrorDialog(std::vector<domain::ValidationError> errors) {
+        setAttribute(Qt::WA_DeleteOnClose);
+
+        this->setWindowTitle("Greške");
+
+        auto layout = new QVBoxLayout(this);
+        this->setLayout(layout);
+
+        for (auto &err: errors) {
+            layout->addWidget(new QLabel(QString::fromStdString(err.message), this));
+        }
+    }
+
+    WarningDialog::WarningDialog(domain::ValidationError error) {
+        setAttribute(Qt::WA_DeleteOnClose);
+
+        this->setWindowTitle("Upozorenje");
+
+        auto layout = new QVBoxLayout(this);
+        this->setLayout(layout);
+
+        layout->addWidget(new QLabel(QString::fromStdString(error.message), this));
+
+        auto buttonLayout = new QHBoxLayout(this);
+
+        auto okButton = new QPushButton("U redu", this);
+        auto cancelButton = new QPushButton("Odustani", this);
+
+        connect(okButton, &QPushButton::clicked, [this]() { accept(); });
+        connect(cancelButton, &QPushButton::clicked, [this]() { reject(); });
+
+        buttonLayout->addWidget(okButton);
+        buttonLayout->addWidget(cancelButton);
+
+        layout->addLayout(buttonLayout);
+    }
+}

comdel/display/attribute_dialog.h

@@ -0,0 +1,89 @@
+#ifndef ATTRIBUTE_DIALOG_H
+#define ATTRIBUTE_DIALOG_H
+
+#include <QIntValidator>
+#include <QPushButton>
+#include <QComboBox>
+#include <QGroupBox>
+#include <QRadioButton>
+#include <QDialog>
+#include <QLineEdit>
+#include <QLabel>
+#include <QVBoxLayout>
+#include <utility>
+#include <comdel/domain/instance_attribute.h>
+
+#include <comdel/domain/value.h>
+#include "comdel/domain/comdel_validator.h"
+
+namespace display {
+
+    class AttributeDialog : public QDialog {
+        domain::Value value;
+
+        long long int parseInt(std::string expression) {
+            try {
+                if (expression.size() > 2) {
+                    if (expression.substr(0, 2) == "0x") {
+                        return std::stoll(expression, nullptr, 16);
+                    } else if (expression.substr(0, 2) == "0b") {
+                        return std::stoll(expression, nullptr, 2);
+                    } else {
+                        return std::stoll(expression, nullptr, 10);
+                    }
+                } else {
+                    return std::stoll(expression, nullptr, 10);
+                }
+            } catch (std::exception &e) {
+                return 0;
+            }
+        }
+
+        domain::InstanceAttribute *attributeValue;
+
+    public:
+        AttributeDialog(domain::InstanceAttribute *attribute, bool updating = true);
+
+    public slots:
+
+        void onTextChanged(const QString &string);
+
+        void onEnumerationChanged(int index);
+
+        void onUpdate();
+
+    };
+
+
+    class MemoryDialog : public QDialog {
+        domain::Value value;
+
+        domain::InstanceAttribute *attributeValue;
+        std::vector<std::string> memoryInstances;
+
+    public:
+        MemoryDialog(domain::InstanceAttribute *attribute,
+                     std::vector<std::shared_ptr<domain::ComponentInstance>> instances, bool updating = true);
+
+    public slots:
+
+        void onMemoryChanged(int index);
+
+        void onUpdate();
+
+    };
+
+
+    class ErrorDialog : public QDialog {
+    public:
+        ErrorDialog(std::vector<domain::ValidationError> errors);
+    };
+
+    class WarningDialog : public QDialog {
+    public:
+        WarningDialog(domain::ValidationError error);
+    };
+
+}
+
+#endif //ATTRIBUTE_DIALOG_H

comdel/display/component_display.cpp

@@ -0,0 +1,324 @@
+#include "component_display.h"
+#include "attribute_dialog.h"
+#include "name_dialog.h"
+#include "mainwindow.h"
+#include "application.h"
+#include "single_automatic_dialog.h"
+
+#include <QMenu>
+#include <QLine>
+#include <QPen>
+#include <QGraphicsSceneContextMenuEvent>
+#include <set>
+
+
+namespace display {
+
+    QPen connectionPen(QColor::fromRgb(150, 150, 250));
+
+    Component::Component(const std::shared_ptr<domain::ComponentInstance> &instance): instance(instance) {
+        setFlag(ItemSendsGeometryChanges, true);
+        setToolTip(QString::fromStdString(instance->name + "::" + instance->component.getName()));
+        instance->component.getDisplay().render(this);
+    }
+
+    void Component::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
+        QMenu menu;
+        menu.addAction("Izmjeni ime", [this]() {
+            std::set<std::string> names;
+            for(const auto &component: Application::instance()->getSchema()->componentInstances) {
+                names.insert(component->name);
+            }
+            auto dialog = new NameDialog(this->instance->name, names);
+            dialog->exec();
+
+            auto currentName = this->instance->name;
+            auto newName = dialog->getName();
+
+            Application::instance()->renameComponent(currentName, newName);
+            setToolTip(QString::fromStdString(instance->name + "::" + instance->component.getName()));
+        });
+        menu.addSeparator();
+        for (int i = 0; i < this->instance->attributes.size(); i++) {
+            auto *attr = &this->instance->attributes[i];
+            bool enabled = attr->attribute.getPopup().has_value();
+
+            if(attr->value.getType() == domain::Value::MEMORY_REFERENCE) {
+                menu.addAction("Izmjeni memoriju", [attr]() {
+                    auto dialog = new MemoryDialog(attr,
+                                                   Application::instance()->getSchema()->componentInstances);
+                    dialog->exec();
+                });
+            } else {
+                auto action = menu.addAction(QString::fromStdString("Izmjeni '" + attr->name + "'"),
+                                             [attr]() {
+                                                auto dialog = new AttributeDialog(attr);
+                                                dialog->exec();
+                                             });
+                action->setEnabled(enabled);
+            }
+        }
+        menu.addSeparator();
+        menu.addAction(QString::fromStdString("Ukloni " + this->instance->name), [this]() {
+            Application::instance()->removeComponent(this->instance->name);
+            auto view = dynamic_cast<Schema *>(this->scene()->views()[0]);
+            view->refreshContent();
+        });
+
+        menu.exec(event->screenPos());
+    }
+
+    void Pin::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
+        QMenu menu;
+
+        auto pinConnections = Application::instance()->getSchema()->getConnections(componentInstance->name, pin.getName());
+
+        if(isSingleAutomatic(pinConnections)) {
+            auto *update = menu.addMenu("Izmjeni");
+            auto *remove = menu.addMenu("Ukloni");
+            for (auto pinConnection: pinConnections) {
+                // this always must be true as only directConnections can be connected multiple times
+                if (auto directConnection = dynamic_cast<domain::DirectConnectionInstance *>(pinConnection)) {
+                    if (directConnection->bus->bus.getType() == domain::Bus::SINGLE_AUTOMATIC) {
+                        auto connectionName = directConnection->attributes[0].value.stringify() + "-" +
+                                              directConnection->attributes[1].value.stringify();
+                        update->addAction(QString::fromStdString("Izmjeni " + connectionName), [directConnection]() {
+                            auto dialog = new SingleAutomaticDialog(directConnection->attributes);
+                            dialog->exec();
+                        });
+                        remove->addAction(QString::fromStdString("Ukloni " + connectionName),
+                                          [this, directConnection]() {
+                                              Application::instance()->removeConnection(directConnection);
+                                              auto view = dynamic_cast<Schema *>(this->scene()->views()[0]);
+                                              view->refreshContent();
+                                          });
+                    }
+                }
+            }
+        } else {
+            auto pinConnection = pinConnections[0];
+            if(auto busConnection = dynamic_cast<domain::BusConnectionInstance*>(pinConnection)) {
+                menu.addSection(QString::fromStdString(busConnection->bus->name));
+            } else if(auto directConnection = dynamic_cast<domain::DirectConnectionInstance*>(pinConnection)) {
+                if(directConnection->instance == componentInstance.get()) {
+                    menu.addSection(QString::fromStdString(directConnection->secondInstance->name + "." + directConnection->connection.getSecondComponent()->pin));
+                } else {
+                    menu.addSection(QString::fromStdString(directConnection->instance->name + "." + directConnection->connection.getComponent().pin));
+                }
+            }
+            for (int i = 0; i < pinConnection->attributes.size(); i++) {
+                auto *attr = &pinConnection->attributes[i];
+                menu.addAction(QString::fromStdString("Izmjeni '" + attr->name + "'"),[attr]() {
+                    auto dialog = new AttributeDialog(attr);
+                    dialog->exec();
+                });
+            }
+            menu.addAction("Ukloni poveznicu", [this, pinConnection]() {
+                Application::instance()->removeConnection(pinConnection);
+                auto view = dynamic_cast<Schema *>(this->scene()->views()[0]);
+                view->refreshContent();
+            });
+        }
+        menu.exec(event->screenPos());
+    }
+
+    void Pin::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+        if (event->button() == Qt::MouseButton::LeftButton) {
+            auto view = dynamic_cast<Schema *>(this->scene()->views()[0]);
+            view->state = Schema::CREATING_CONNECTION;
+            view->context.pin = this;
+            view->context.startingPoint = dynamic_cast<ComponentGroup *>(this->parentItem())->pos() +
+                                          QPointF(pin.getDisplayPin().getConnectionX(),
+                                                  pin.getDisplayPin().getConnectionY());
+            view->context.line = new QGraphicsLineItem(QLineF(view->context.startingPoint, event->scenePos()));
+            view->context.line->setPen(QPen(QColor::fromRgb(100, 100, 250), 1, Qt::PenStyle::DashLine));
+            view->context.line->setZValue(1000);
+            this->scene()->addItem(view->context.line);
+
+            view->showConnectable(this);
+        }
+    }
+
+    void Pin::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+        auto view = dynamic_cast<Schema *>(this->scene()->views()[0]);
+        if (view->state == Schema::CREATING_CONNECTION) {
+            auto line = view->context.line->line();
+            line.setP2(event->scenePos());
+            view->context.line->setLine(line);
+        }
+    }
+
+    void Pin::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+        if (event->button() == Qt::MouseButton::LeftButton) {
+            auto view = dynamic_cast<Schema *>(this->scene()->views()[0]);
+            view->state = Schema::DEFAULT;
+            this->scene()->removeItem(view->context.line);
+            delete view->context.line;
+            view->removeConnectable(event->scenePos());
+        }
+    }
+
+    domain::Pin &Pin::getPin() {
+        return pin;
+    }
+
+    domain::ComponentInstance *Pin::getComponentInstance() {
+        return componentInstance.get();
+    }
+
+    bool Pin::isSingleAutomatic(std::vector<domain::ConnectionInstance *> pinConnections) {
+        if(pinConnections.empty()) {
+            return false;
+        }
+        auto pinConnection = pinConnections[0];
+        if(auto directConnection = dynamic_cast<domain::DirectConnectionInstance*>(pinConnection)) {
+            return directConnection->bus->bus.getType() == domain::Bus::SINGLE_AUTOMATIC;
+        } else {
+            return false;
+        }
+    }
+
+    Bus::Bus(const std::shared_ptr<domain::BusInstance> &instance): busInstance(instance) {
+        instance->bus.getDisplayBus()->render(this, instance->size);
+        setToolTip(QString::fromStdString(busInstance->name + "::" + busInstance->bus.getName()));
+    }
+
+    void Bus::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
+        QMenu menu;
+        menu.addAction("Izmjeni ime", [this]() {
+            std::set<std::string> names;
+            for(const auto &component: Application::instance()->getSchema()->busInstances) {
+                names.insert(component->name);
+            }
+            auto dialog = new NameDialog(this->busInstance->name, names);
+            dialog->exec();
+
+            auto currentName = this->busInstance->name;
+            auto newName = dialog->getName();
+
+            Application::instance()->renameBus(currentName, newName);
+            setToolTip(QString::fromStdString(busInstance->name + "::" + busInstance->bus.getName()));
+        });
+        menu.addSeparator();
+        menu.addAction(QString::fromStdString("Ukloni " + this->busInstance->name), [this]() {
+            Application::instance()->removeBus(this->busInstance->name);
+            auto view = dynamic_cast<Schema *>(this->scene()->views()[0]);
+            view->refreshContent();
+        });
+        menu.exec(event->screenPos());
+    }
+
+    QVariant BusGroup::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) {
+        if (change == ItemPositionChange && scene()) {
+            // value is the new position.
+            QPoint newPos = value.toPointF().toPoint();
+            busInstance->position.first = newPos.x();
+            busInstance->position.second = newPos.y();
+
+            auto view = dynamic_cast<Schema *>(scene()->views()[0]);
+            view->updateConnections();
+        }
+        return QGraphicsItem::itemChange(change, value);
+    }
+
+    BusGroup::BusGroup(const std::shared_ptr<domain::BusInstance> &instance) : busInstance(instance) {
+        setFlag(ItemIsMovable, true);
+        setFlag(ItemSendsGeometryChanges, true);
+
+        setHandlesChildEvents(false);
+
+        bus = new display::Bus(instance);
+        addToGroup(bus);
+
+        setPos(instance->position.first, instance->position.second);
+    }
+
+
+    QVariant ComponentGroup::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) {
+        if (change == ItemPositionChange && scene()) {
+            // value is the new position.
+            QPoint newPos = value.toPointF().toPoint();
+            componentInstance->position.first = newPos.x();
+            componentInstance->position.second = newPos.y();
+
+            auto view = dynamic_cast<Schema *>(scene()->views()[0]);
+            view->updateConnections();
+        }
+        return QGraphicsItem::itemChange(change, value);
+    }
+
+    std::shared_ptr<domain::ComponentInstance> ComponentGroup::getComponentInstance() {
+        return componentInstance;
+    }
+
+    std::vector<display::Pin *> &ComponentGroup::getPins() {
+        return pins;
+    }
+
+    ComponentGroup::ComponentGroup(const std::shared_ptr<domain::ComponentInstance> &instance): componentInstance(
+            instance) {
+        setFlag(ItemIsMovable, true);
+        setFlag(ItemSendsGeometryChanges, true);
+
+        setHandlesChildEvents(false);
+
+        addToGroup(new display::Component(instance));
+
+        for (auto &pin: instance->component.getPins()) {
+            pins.push_back(new display::Pin(pin, componentInstance));
+            addToGroup(pins.back());
+        }
+
+        setPos(instance->position.first, instance->position.second);
+    }
+
+    BusConnection::BusConnection(domain::BusConnectionInstance *connection, ComponentGroup *component, BusGroup *bus): connection(
+            connection), component(component), bus(bus) {
+        updateConnection();
+        setPen(connectionPen);
+        setZValue(-1);
+        setHandlesChildEvents(false);
+    }
+
+    void BusConnection::updateConnection() {
+        auto busPosition = bus->boundingRect();
+        auto pin = connection->instance->component.getPin(
+                connection->connection.getComponent().pin).getDisplayPin();
+
+        setLine(connection->instance->position.first + pin.getConnectionX(),
+                connection->instance->position.second + pin.getConnectionY(),
+                connection->bus->position.first + busPosition.width() / 2,
+                connection->bus->position.second + busPosition.height() / 2);
+
+        connection->start.first = connection->instance->position.first + pin.getConnectionX();
+        connection->start.second = connection->instance->position.second + pin.getConnectionY();
+        connection->end.first = connection->bus->position.first + busPosition.width() / 2;
+        connection->end.second = connection->bus->position.second + busPosition.height() / 2;
+    }
+
+    DirectConnection::DirectConnection(domain::DirectConnectionInstance *connection, ComponentGroup *first,
+                                       ComponentGroup *second): connection(connection), first(first), second(second) {
+        updateConnection();
+        setPen(connectionPen);
+        setZValue(-1);
+        setHandlesChildEvents(false);
+    }
+
+    void DirectConnection::updateConnection() {
+        auto pin1 = connection->instance->component.getPin(
+                connection->connection.getComponent().pin).getDisplayPin();
+        auto pin2 = connection->secondInstance->component.getPin(
+                connection->connection.getSecondComponent()->pin).getDisplayPin();
+
+        setLine(connection->instance->position.first + pin1.getConnectionX(),
+                connection->instance->position.second + pin1.getConnectionY(),
+                connection->secondInstance->position.first + pin2.getConnectionX(),
+                connection->secondInstance->position.second + pin2.getConnectionY());
+
+        connection->start.first = connection->instance->position.first + pin1.getConnectionX();
+        connection->start.second = connection->instance->position.second + pin1.getConnectionY();
+        connection->end.first = connection->secondInstance->position.first + pin2.getConnectionX();
+        connection->end.second = connection->secondInstance->position.second + pin2.getConnectionY();
+    }
+
+} // namespace display

comdel/display/component_display.h

@@ -0,0 +1,116 @@
+#ifndef DISPLAY_COMPONENT_H
+#define DISPLAY_COMPONENT_H
+
+#include <comdel/domain/instance.h>
+
+#include <QGraphicsItemGroup>
+#include <QGraphicsSceneMouseEvent>
+#include <QGraphicsSceneMouseEvent>
+#include <utility>
+#include "comdel/domain/connection_instance.h"
+
+namespace display {
+
+    class Pin : public QGraphicsItemGroup {
+    private:
+        domain::Pin pin;
+        std::shared_ptr<domain::ComponentInstance> componentInstance;
+
+    public:
+        Pin(domain::Pin pin, std::shared_ptr<domain::ComponentInstance> componentInstance) : pin(pin), componentInstance(std::move(componentInstance)) {
+            pin.getDisplayPin().render(this);
+            this->setToolTip(QString::fromStdString(pin.getTooltip()));
+        }
+
+        void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
+
+        void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
+
+        void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
+
+        void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
+
+        domain::Pin &getPin();
+
+        domain::ComponentInstance *getComponentInstance();
+
+        bool isSingleAutomatic(std::vector<domain::ConnectionInstance *> pinConnections);
+    };
+
+    class Component : public QGraphicsItemGroup {
+    private:
+        std::shared_ptr<domain::ComponentInstance> instance;
+    public:
+        explicit Component(const std::shared_ptr<domain::ComponentInstance> &instance);
+
+        void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
+
+    };
+
+    class Bus : public QGraphicsItemGroup {
+        std::shared_ptr<domain::BusInstance> busInstance;
+    public:
+        explicit Bus(const std::shared_ptr<domain::BusInstance> &instance);
+
+        void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
+    };
+
+    class ComponentGroup : public QGraphicsItemGroup {
+    private:
+        std::shared_ptr<domain::ComponentInstance> componentInstance;
+        std::vector<display::Pin *> pins;
+
+    public:
+
+        std::shared_ptr<domain::ComponentInstance> getComponentInstance();
+
+        std::vector<display::Pin *> &getPins();
+
+        explicit ComponentGroup(const std::shared_ptr<domain::ComponentInstance> &instance);
+
+    protected:
+        QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
+
+    };
+
+    class BusGroup : public QGraphicsItemGroup {
+    private:
+        std::shared_ptr<domain::BusInstance> busInstance;
+        display::Bus *bus;
+
+    public:
+        explicit BusGroup(const std::shared_ptr<domain::BusInstance> &instance);
+
+    protected:
+        QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
+    };
+
+    class BusConnection : public QGraphicsLineItem {
+    private:
+        domain::BusConnectionInstance *connection;
+        ComponentGroup *component;
+        BusGroup *bus;
+
+    public:
+        BusConnection(domain::BusConnectionInstance *connection, ComponentGroup *component, BusGroup *bus);
+
+        void updateConnection();
+    };
+
+
+    class DirectConnection : public QGraphicsLineItem {
+    private:
+        domain::DirectConnectionInstance *connection;
+        ComponentGroup *first;
+        ComponentGroup *second;
+
+    public:
+        DirectConnection(domain::DirectConnectionInstance *connection, ComponentGroup *first, ComponentGroup *second);
+
+        void updateConnection();
+    };
+
+
+} // namespace display
+
+#endif // DISPLAY_COMPONENT_H

comdel/display/library_display.cpp

@@ -0,0 +1,52 @@
+#include "library_display.h"
+
+#include <QLabel>
+#include <QListWidget>
+#include <QVBoxLayout>
+#include <application.h>
+
+namespace display {
+
+    Library::Library() {
+        auto layout = new QVBoxLayout();
+        this->setLayout(layout);
+
+        componentList = new LibraryList(this);
+        busList = new LibraryList(this);
+
+        layout->setContentsMargins(4, 4, 4, 4);
+        layout->addWidget(new QLabel("Komponente:"));
+        layout->addWidget(componentList, 1);
+        layout->addSpacing(8);
+        layout->addWidget(new QLabel("Sabirnice:"));
+        layout->addWidget(busList, 1);
+    }
+
+    void Library::refreshContent() {
+        library = Application::instance()->getLibrary();
+
+        componentList->clear();
+        busList->clear();
+
+        if (!library) {
+            return;
+        }
+
+        for (auto &component: library->getComponents()) {
+            auto item = new LibraryListItem{component.getName(), "comdel/component", component.getName(),
+                                            componentList};
+            item->setToolTip(QString::fromStdString(component.getTooltip()));
+            componentList->addItem(item);
+        }
+
+        for (auto &bus: library->getBuses()) {
+            if (bus.getType() == domain::Bus::REGULAR) {
+                auto item = new LibraryListItem{bus.getName(), "comdel/bus", bus.getName(), busList};
+                item->setToolTip(QString::fromStdString(bus.getTooltip()));
+                busList->addItem(item);
+            }
+        }
+
+    }
+
+} // namespace display

comdel/display/library_display.h

@@ -0,0 +1,28 @@
+#ifndef DISPLAY_LIBRARY_H
+#define DISPLAY_LIBRARY_H
+
+#include <QListWidget>
+#include <QWidget>
+
+#include <comdel/domain/library.h>
+#include "library_list.h"
+
+namespace display {
+
+    class Library : public QWidget {
+    public:
+        Library();
+
+        void refreshContent();
+
+    private:
+        std::optional<domain::Library> library;
+
+        LibraryList *componentList;
+        LibraryList *busList;
+
+    };
+
+} // namespace display
+
+#endif // DISPLAY_LIBRARY_H

comdel/display/library_list.cpp

@@ -0,0 +1,32 @@
+//
+// Created by bbr on 22.05.22..
+//
+
+#include "library_list.h"
+
+#include <QMouseEvent>
+#include <QDrag>
+#include <QMimeData>
+
+namespace display {
+
+    LibraryList::LibraryList(QWidget *parent) : QListWidget(parent) {
+        setDragDropMode(DragOnly);
+    }
+
+    QMimeData *LibraryList::mimeData(const QList<QListWidgetItem *> items) const {
+        for (auto qItem: items) {
+            // we only allow one item to be dragged at a time
+            auto item = dynamic_cast<LibraryListItem *>(qItem);
+            auto *md = new QMimeData();
+            md->setData(QString::fromStdString(item->mimeType), QByteArray::fromStdString(item->value));
+            return md;
+        }
+        return nullptr;
+    }
+
+    LibraryListItem::LibraryListItem(std::string title, std::string mimeType, std::string value, QListWidget *parent)
+            : QListWidgetItem(parent), mimeType(mimeType), value(value) {
+        setText(QString::fromStdString(title));
+    }
+} // display

comdel/display/library_list.h

@@ -0,0 +1,34 @@
+//
+// Created by bbr on 22.05.22..
+//
+
+#ifndef SCHEMEEDITOR_LIBRARY_LIST_H
+#define SCHEMEEDITOR_LIBRARY_LIST_H
+
+#include <QListWidget>
+#include <QList>
+#include <QMimeData>
+
+namespace display {
+
+    class LibraryList : public QListWidget {
+    Q_OBJECT
+    public:
+        LibraryList(QWidget *parent);
+
+    protected:
+        QMimeData *mimeData(const QList<QListWidgetItem *> items) const override;
+    };
+
+    class LibraryListItem : public QListWidgetItem {
+
+    public:
+        std::string mimeType;
+        std::string value;
+
+        LibraryListItem(std::string title, std::string mimeType, std::string value, QListWidget *parent);
+    };
+
+} // display
+
+#endif //SCHEMEEDITOR_LIBRARY_LIST_H

comdel/display/name_dialog.cpp

@@ -0,0 +1,50 @@
+//
+// Created by bbr on 18. 04. 2022..
+//
+
+#include <set>
+#include "name_dialog.h"
+
+display::NameDialog::NameDialog(std::string currentName, std::set<std::string> &names): currentName(currentName) {
+    usedNames.erase(currentName);
+
+    auto *layout = new QVBoxLayout(this);
+    layout->addWidget(new QLabel("Izmjeni ime", this));
+
+    edit = new QLineEdit(this);
+    edit->insert(currentName.c_str());
+    connect(edit, &QLineEdit::textChanged, this, &NameDialog::onNameUpdate);
+    layout->addWidget(edit);
+    setWindowTitle("Izmjeni ime");
+    setLayout(layout);
+
+    auto buttonLayout = new QHBoxLayout(this);
+
+    auto okButton = new QPushButton("Ažuriraj");
+    auto cancelButton = new QPushButton("Odustani", this);
+
+    connect(okButton, &QPushButton::clicked, this, &NameDialog::onNameChange);
+    connect(cancelButton, &QPushButton::clicked, [this]() { reject(); });
+
+    buttonLayout->addWidget(okButton);
+    buttonLayout->addWidget(cancelButton);
+
+    layout->addLayout(buttonLayout);
+}
+
+void display::NameDialog::onNameUpdate(const QString &text) {
+    if(usedNames.find(text.toStdString()) == usedNames.end()) {
+        button->setDisabled(false);
+    } else {
+        button->setDisabled(true);
+    }
+}
+
+void display::NameDialog::onNameChange() {
+    currentName = edit->text().toStdString();
+    close();
+}
+
+std::string display::NameDialog::getName() {
+    return currentName;
+}

comdel/display/name_dialog.h

@@ -0,0 +1,36 @@
+#ifndef NAME_DIALOG_H
+#define NAME_DIALOG_H
+
+#include <QDialog>
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QLineEdit>
+#include <QPushButton>
+
+#include <set>
+
+#include <comdel/domain/instance.h>
+
+namespace display {
+
+    class NameDialog : public QDialog {
+
+        std::set<std::string> usedNames;
+        QLineEdit *edit = nullptr;
+        std::string currentName;
+        QPushButton *button;
+
+    public:
+        NameDialog(std::string currentName, std::set<std::string>& names);
+
+        std::string getName();
+
+    public slots:
+        void onNameUpdate(const QString& text);
+        void onNameChange();
+    };
+
+}
+
+
+#endif //NAME_DIALOG_H

comdel/display/schema_display.cpp

@@ -0,0 +1,320 @@
+#include "component_display.h"
+#include "schema_display.h"
+#include "application.h"
+#include "attribute_dialog.h"
+#include "single_automatic_dialog.h"
+
+#include <QDrag>
+#include <QDragEnterEvent>
+#include <QMimeData>
+
+namespace display {
+
+    Schema::Schema() {
+        schema = nullptr;
+        library = std::nullopt;
+        this->setScene(&scene);
+        this->setAcceptDrops(true);
+    }
+
+
+    void Schema::refreshContent() {
+        schema = Application::instance()->getSchema();
+        library = Application::instance()->getLibrary();
+
+        components.clear();
+        buses.clear();
+        scene.clear();
+        pins.clear();
+        busConnections.clear();
+        directConnections.clear();
+
+        if (schema != nullptr) {
+            for (auto &instance: schema->componentInstances) {
+                auto group = new display::ComponentGroup(instance);
+                for (auto pin: group->getPins()) {
+                    display::Pin *p = pin;
+                    domain::ConnectionComponent connection{instance->name, p->getPin().getName()};
+                    pins.insert(std::make_pair(connection, p));
+                }
+                components.insert(std::make_pair(instance->name, group));
+                scene.addItem(group);
+            }
+            for (auto &instance: schema->busInstances) {
+                if (instance->bus.getDisplayBus().has_value()) {
+                    auto group = new display::BusGroup(instance);
+                    buses.insert(std::make_pair(instance->name, group));
+                    scene.addItem(group);
+                }
+            }
+            for (auto &connection: schema->connections) {
+                auto busInstance = dynamic_cast<domain::BusConnectionInstance *>(connection.get());
+                if (busInstance != nullptr) {
+                    auto con = new display::BusConnection(busInstance, components[busInstance->instance->name],
+                                                          buses[busInstance->bus->name]);
+                    busConnections.push_back(con);
+                    scene.addItem(con);
+                }
+                auto directInstance = dynamic_cast<domain::DirectConnectionInstance *>(connection.get());
+                if (directInstance != nullptr) {
+                    auto con = new display::DirectConnection(directInstance, components[directInstance->instance->name],
+                                                             components[directInstance->secondInstance->name]);
+                    directConnections.push_back(con);
+                    scene.addItem(con);
+                }
+            }
+        }
+    }
+
+    void Schema::updateConnections() {
+        if (schema != nullptr) {
+            for (auto conn: busConnections) {
+                conn->updateConnection();
+            }
+            for (auto conn: directConnections) {
+                conn->updateConnection();
+            }
+        }
+    }
+
+    void Schema::dragEnterEvent(QDragEnterEvent *event) {
+        if (event->mimeData()->hasFormat("comdel/component") ||
+            event->mimeData()->hasFormat("comdel/bus")) {
+            event->acceptProposedAction();
+        }
+    }
+
+    void Schema::dropEvent(QDropEvent *event) {
+        if (event->mimeData()->hasFormat("comdel/component")) {
+            auto component = library->getComponent(event->mimeData()->data("comdel/component").toStdString());
+
+            auto attributes = populateAttributes(component.getAttributes());
+            if(attributes.size() != component.getAttributes().size()) {
+                return;
+            }
+
+            auto currentPos = this->mapToScene(event->pos()).toPoint();
+
+            auto instance = Application::instance()->addComponent(component, attributes, currentPos.x(), currentPos.y());
+
+            auto group = new display::ComponentGroup(instance);
+            scene.addItem(group);
+            for (auto pin: group->getPins()) {
+                display::Pin *p = pin;
+                domain::ConnectionComponent connection{instance->name, p->getPin().getName()};
+                pins.insert(std::make_pair(connection, p));
+            }
+
+            components[instance->name] = group;
+
+            event->acceptProposedAction();
+        }
+        if (event->mimeData()->hasFormat("comdel/bus")) {
+            auto bus = library->getBus(event->mimeData()->data("comdel/bus").toStdString());
+
+            auto currentPos = this->mapToScene(event->pos()).toPoint();
+
+            auto instance = Application::instance()->addBus(bus, currentPos.x(), currentPos.y());
+
+            auto group = new display::BusGroup(instance);
+            scene.addItem(group);
+            buses[instance->name] = group;
+
+            event->acceptProposedAction();
+        }
+    }
+
+    void Schema::dragMoveEvent(QDragMoveEvent *event) {
+        event->acceptProposedAction();
+    }
+
+    void Schema::removeConnectable(QPointF endPoint) {
+        auto instance = context.pin->getComponentInstance();
+        auto &pin = context.pin->getPin();
+
+        auto availableConnections = schema->availableConnections(instance->name, pin.getName(), true);
+
+        for(auto &connection: availableConnections) {
+            if(connection.type != domain::ConnectionEntry::BUS) {
+                continue;
+            }
+            auto bus = connection.busInstance.value();
+            if(buses[bus->name] == nullptr) {
+                continue;
+            }
+            auto rect = buses[bus->name]->boundingRect();
+            rect = QRectF(buses[bus->name]->x(), buses[bus->name]->y(), rect.width(), rect.height());
+
+            if (rect.contains(endPoint)) {
+                auto con = library->getConnection({instance->component.getName(), pin.getName()}, bus->bus.getName());
+                if (con.has_value()) {
+                    auto attributes = populateAttributes(con->getAttributes());
+                    if(attributes.size() != con->getAttributes().size()) {
+                        clearSelectable();
+                        return;
+                    }
+
+                    auto conInstance = std::make_shared<domain::BusConnectionInstance>(instance, attributes, bus, *con);
+                    schema->connections.push_back(conInstance);
+
+                    if (conInstance != nullptr) {
+                        auto c = new display::BusConnection(conInstance.get(), components[conInstance->instance->name],
+                                                            buses[conInstance->bus->name]);
+                        busConnections.push_back(c);
+                        scene.addItem(c);
+                    }
+                    break;
+                }
+            }
+        }
+
+        for (auto &connection: availableConnections) {
+            if(connection.type != domain::ConnectionEntry::COMPONENT) {
+                continue;
+            }
+            auto pinInstance = domain::ConnectionComponent{connection.componentInstance.value()->name, connection.pin.value().getName()};
+            auto rect = pins[pinInstance]->boundingRect();
+            rect.setX(pins[pinInstance]->scenePos().x());
+            rect.setY(pins[pinInstance]->scenePos().y());
+
+            if (rect.contains(endPoint)) {
+                auto name = components[pinInstance.component]->getComponentInstance()->component.getName();
+                auto con = library->getConnection({instance->component.getName(), pin.getName()},
+                                                  {name, pinInstance.pin});
+                if (con.has_value()) {
+                    auto busInstance = Application::instance()->addBus(library->getBus(con->getBus()), 0, 0);
+
+                    std::vector<domain::InstanceAttribute> attributes;
+                    if(library->getBus(con->getBus()).getType() == domain::Bus::SINGLE_AUTOMATIC) {
+                        attributes = populateSingleAutomaticConnection(*con);
+                    } else {
+                        attributes = populateAttributes(con->getAttributes());
+                    }
+                    if(attributes.size() != con->getAttributes().size()) {
+                        clearSelectable();
+                        return;
+                    }
+
+                    auto conInstance = std::make_shared<domain::DirectConnectionInstance>(instance,
+                                                                                          components[pinInstance.component]->getComponentInstance().get(),
+                                                                                          attributes, busInstance.get(),
+                                                                                          *con);
+                    schema->connections.push_back(conInstance);
+
+                    if (conInstance != nullptr) {
+                        auto c = new display::DirectConnection(conInstance.get(),
+                                                               components[conInstance->instance->name],
+                                                               components[conInstance->secondInstance->name]);
+                        directConnections.push_back(c);
+                        scene.addItem(c);
+                    }
+                    break;
+                }
+            }
+        }
+
+        clearSelectable();
+    }
+
+    void Schema::showConnectable(Pin *domainPin) {
+        auto &pin = domainPin->getPin();
+
+        auto availableConnections = schema->availableConnections(domainPin->getComponentInstance()->name, pin.getName(), true);
+
+        for(auto &connection: availableConnections) {
+            if(connection.type != domain::ConnectionEntry::BUS) {
+                continue;
+            }
+            auto bus = connection.busInstance.value();
+            auto &group = buses[bus->name];
+            if(group == nullptr) {
+                continue;
+            }
+            auto rect = new QGraphicsRectItem(group->boundingRect());
+            rect->setBrush(selectedBrush);
+            rect->setPos(group->scenePos());
+
+            auto _rect = rect->rect();
+            _rect.setWidth(_rect.width() + 1);
+            _rect.setHeight(_rect.height() + 1);
+            rect->setRect(_rect);
+
+            context.selectable.push_back(rect);
+            scene.addItem(rect);
+        }
+
+        for (auto &connection: availableConnections) {
+            if(connection.type != domain::ConnectionEntry::COMPONENT) {
+                continue;
+            }
+            auto pinInstance = domain::ConnectionComponent{connection.componentInstance.value()->name, connection.pin.value().getName()};
+            auto &instance = pins[pinInstance];
+            auto rect = new QGraphicsRectItem(instance->boundingRect());
+            rect->setBrush(selectedBrush);
+            rect->setPen(selectedPen);
+            rect->setPos(instance->scenePos());
+
+            auto _rect = rect->rect();
+            _rect.setWidth(_rect.width() + 1);
+            _rect.setHeight(_rect.height() + 1);
+            rect->setRect(_rect);
+
+            context.selectable.push_back(rect);
+            scene.addItem(rect);
+        }
+
+    }
+
+    std::vector<domain::InstanceAttribute> Schema::populateAttributes(std::vector<domain::Attribute>& attributes) {
+        std::vector<domain::InstanceAttribute> instanceAttributes;
+
+        for (auto attr: attributes) {
+            domain::InstanceAttribute attribute(attr.getName(), attr.getDefault(), attr);
+            if(attr.getPopup().has_value() && attr.getPopup()->getType() == domain::Popup::AUTOMATIC) {
+                if(attr.getDefault().isType(domain::Value::MEMORY_REFERENCE)) {
+                    auto dialog = new MemoryDialog(&attribute, schema->componentInstances, false);
+                    if(dialog->exec() == QDialog::Rejected) {
+                        // if any dialog isn't set, whole creation is rejected
+                        return {};
+                    }
+                } else {
+                    auto dialog = new AttributeDialog(&attribute, false);
+                    if(dialog->exec() == QDialog::Rejected) {
+                        // if any dialog isn't set, whole creation is rejected
+                        return {};
+                    }
+                }
+            }
+            instanceAttributes.push_back(attribute);
+        }
+        return instanceAttributes;
+    }
+
+    std::vector<domain::InstanceAttribute> Schema::populateSingleAutomaticConnection(domain::Connection connection) {
+        std::vector<domain::InstanceAttribute> instanceAttributes;
+
+        for (auto attr: connection.getAttributes()) {
+            instanceAttributes.emplace_back(attr.getName(), attr.getDefault(), attr);
+        }
+
+        auto dialog = new display::SingleAutomaticDialog(instanceAttributes, false);
+        if(dialog->exec() == QDialog::Rejected) {
+            // if dialog is rejected, whole creation is rejected
+            return {};
+        }
+
+        return instanceAttributes;
+
+    }
+
+    void Schema::clearSelectable() {
+        updateConnections();
+
+        for (auto &item: this->context.selectable) {
+            this->scene.removeItem(item);
+            delete item;
+        }
+        this->context.selectable.clear();
+    }
+
+} // namespace display

comdel/display/schema_display.h

@@ -0,0 +1,82 @@
+#ifndef DISPLAY_SCHEMA_H
+#define DISPLAY_SCHEMA_H
+
+
+#include <QGraphicsView>
+#include <QWidget>
+#include <QColor>
+#include <QGraphicsLineItem>
+
+#include <comdel/domain/schema.h>
+#include <comdel/domain/library.h>
+#include "component_display.h"
+
+namespace display {
+
+    class BusConnection;
+
+    class Schema : public QGraphicsView {
+    Q_OBJECT
+
+    public:
+
+        QBrush selectedBrush = QBrush(QColor::fromRgb(50, 50, 150, 100), Qt::BrushStyle::SolidPattern);
+        QPen selectedPen = QPen(QColor::fromRgb(50, 50, 150), 1, Qt::PenStyle::SolidLine);
+        QPen activeLinePen = QPen(QColor::fromRgb(250, 100, 100));
+
+        enum State {
+            DEFAULT,
+            CREATING_CONNECTION
+        };
+
+        struct Context {
+            display::Pin *pin = nullptr;
+            QPointF startingPoint;
+            QGraphicsLineItem *line = nullptr;
+            std::vector<QGraphicsRectItem *> selectable;
+        };
+
+        std::map<std::string, display::ComponentGroup *> components;
+        std::map<std::string, display::BusGroup *> buses;
+        std::map<domain::ConnectionComponent, display::Pin *> pins;
+
+        State state = DEFAULT;
+        Context context;
+
+        Schema();
+
+        std::vector<BusConnection *> busConnections;
+        std::vector<DirectConnection *> directConnections;
+
+        void updateConnections();
+
+        void removeConnectable(QPointF f);
+
+        void showConnectable(Pin *pin);
+
+        void refreshContent();
+
+    protected:
+
+        void dragEnterEvent(QDragEnterEvent *event) override;
+
+        void dropEvent(QDropEvent *event) override;
+
+        void dragMoveEvent(QDragMoveEvent *event) override;
+
+    private:
+        QGraphicsScene scene;
+
+        domain::Schema *schema{};
+        std::optional<domain::Library> library;
+
+        std::vector<domain::InstanceAttribute> populateAttributes(std::vector<domain::Attribute>& attributes);
+
+        std::vector<domain::InstanceAttribute> populateSingleAutomaticConnection(domain::Connection connection);
+
+        void clearSelectable();
+    };
+
+} // namespace display
+
+#endif // DISPLAY_SCHEMA_H

comdel/display/single_automatic_dialog.cpp

@@ -0,0 +1,84 @@
+//
+// Created by bbr on 05.06.22..
+//
+
+#include "single_automatic_dialog.h"
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QComboBox>
+#include <QPushButton>
+
+namespace display {
+    SingleAutomaticDialog::SingleAutomaticDialog(std::vector<domain::InstanceAttribute> &values, bool updating): attributes(values) {
+        setAttribute(Qt::WA_DeleteOnClose);
+        setWindowTitle(QString::fromStdString(updating ? "Ažuriraj poveznicu" : "Postavi poveznicu"));
+
+        firstValue = values[0].value;
+        secondValue = values[1].value;
+
+        auto *parentLayout = new QVBoxLayout(this);
+        auto *contentLayout = new QHBoxLayout(this);
+        auto *firstLayout = new QVBoxLayout(this);
+        auto *secondLayout = new QVBoxLayout(this);
+
+        parentLayout->addLayout(contentLayout);
+        contentLayout->addLayout(firstLayout);
+        contentLayout->addLayout(secondLayout);
+        this->setLayout(parentLayout);
+
+        setupValues(firstLayout, values[0], &SingleAutomaticDialog::onFirstEnumerationChanged);
+        setupValues(secondLayout, values[1], &SingleAutomaticDialog::onSecondEnumerationChanged);
+
+        auto buttonLayout = new QHBoxLayout(this);
+
+        auto okButton = new QPushButton("U redu", this);
+        auto cancelButton = new QPushButton("Odustani", this);
+
+        connect(okButton, &QPushButton::clicked, [this]() { accept(); });
+        connect(cancelButton, &QPushButton::clicked, [this]() { reject(); });
+
+        buttonLayout->addWidget(okButton);
+        buttonLayout->addWidget(cancelButton);
+
+        parentLayout->addLayout(buttonLayout);
+    }
+
+    void SingleAutomaticDialog::setupValues(QVBoxLayout *layout, domain::InstanceAttribute &attribute, void (display::SingleAutomaticDialog::* handler)(int)) {
+
+        auto popup = *attribute.attribute.getPopup();
+
+        layout->addWidget(new QLabel(popup.getTitle().c_str()));
+        layout->addWidget(new QLabel(popup.getText().c_str()));
+
+        auto *combo = new QComboBox(this);
+        auto enumeration = attribute.attribute.getPopup()->getEnumeration();
+        for (auto entry: enumeration) {
+            combo->addItem(QString::fromStdString(entry.getName()));
+        }
+
+        connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged), this,handler);
+        layout->addWidget(combo);
+
+        for (int i = 0; i < enumeration.size(); i++) {
+            if (attribute.value.equals(enumeration[i].getValue())) {
+                combo->setCurrentIndex(i);
+                break;
+            }
+        }
+    }
+
+    void SingleAutomaticDialog::onFirstEnumerationChanged(int index) {
+        firstValue = attributes[0].attribute.getPopup()->getEnumeration()[index].getValue();
+    }
+
+    void SingleAutomaticDialog::onSecondEnumerationChanged(int index) {
+        secondValue = attributes[1].attribute.getPopup()->getEnumeration()[index].getValue();
+    }
+
+    void SingleAutomaticDialog::onUpdate() {
+        attributes[0].value = firstValue;
+        attributes[1].value = secondValue;
+        accept();
+    }
+
+} // display

comdel/display/single_automatic_dialog.h

@@ -0,0 +1,35 @@
+//
+// Created by bbr on 05.06.22..
+//
+
+#ifndef SCHEMEEDITOR_SINGLE_AUTOMATIC_DIALOG_H
+#define SCHEMEEDITOR_SINGLE_AUTOMATIC_DIALOG_H
+
+#include <vector>
+#include <QDialog>
+#include <QVBoxLayout>
+#include "comdel/domain/value.h"
+#include "comdel/domain/instance_attribute.h"
+
+namespace display {
+
+    class SingleAutomaticDialog: public QDialog {
+        domain::Value firstValue;
+        domain::Value secondValue;
+        std::vector<domain::InstanceAttribute> &attributes;
+
+    public:
+        explicit SingleAutomaticDialog(std::vector<domain::InstanceAttribute>& values, bool updating = true);
+
+        void setupValues(QVBoxLayout *layout, domain::InstanceAttribute &attribute, void (display::SingleAutomaticDialog::* handler)(int));
+
+    public slots:
+
+        void onFirstEnumerationChanged(int index);
+        void onSecondEnumerationChanged(int index);
+        void onUpdate();
+    };
+
+} // display
+
+#endif //SCHEMEEDITOR_SINGLE_AUTOMATIC_DIALOG_H

comdel/domain/address_space.cpp

@@ -0,0 +1,29 @@
+#include <algorithm>
+#include "address_space.h"
+
+namespace domain {
+
+    AddressSpace::AddressSpace(std::string name, long long start, long long end) :
+            name(name), start(start), end(end) {}
+
+    std::string AddressSpace::getName() {
+        return name;
+    }
+
+    long long AddressSpace::getStart() const {
+        return start;
+    }
+
+    long long AddressSpace::getEnd() const {
+        return end;
+    }
+
+    bool AddressSpace::contains(long long int address) {
+        return address >= start && address < end;
+    }
+
+    bool AddressSpace::contains(long long int pstart, long long int pend) {
+        return pstart >= start && pend < end;
+    }
+
+} // namespace domain

comdel/domain/address_space.h

@@ -0,0 +1,29 @@
+#ifndef DOMAIN_ADDRESS_SPACE_H
+#define DOMAIN_ADDRESS_SPACE_H
+
+#include <string>
+
+namespace domain {
+
+    class AddressSpace {
+        std::string name;
+        long long start;
+        long long end;
+
+    public:
+        AddressSpace(std::string name, long long start, long long end);
+
+        std::string getName();
+
+        long long getStart() const;
+
+        long long getEnd() const;
+
+        bool contains(long long int address);
+
+        bool contains(long long int start, long long int end);
+    };
+
+} // namespace domain
+
+#endif // DOMAIN_ADDRESS_SPACE_H

comdel/domain/addressspace.cpp

@@ -1,19 +0,0 @@
-#include "addressspace.h"
-
-namespace domain {
-
-AddressSpace::AddressSpace(std::string name, long long start, long long end):
-    name(name), start(start), end(end)
-{}
-
-std::string AddressSpace::getName() {
-    return name;
-}
-long long AddressSpace::getStart() {
-    return start;
-}
-long long AddressSpace::getEnd() {
-    return end;
-}
-
-} // namespace domain

comdel/domain/addressspace.h

@@ -1,26 +0,0 @@
-#ifndef DOMAIN_ADDRESSSPACE_H
-#define DOMAIN_ADDRESSSPACE_H
-
-#include <string>
-
-
-
-namespace domain {
-
-class AddressSpace
-{
-    std::string name;
-    long long start;
-    long long end;
-
-public:
-    AddressSpace(std::string name, long long start, long long end);
-
-    std::string getName();
-    long long getStart();
-    long long getEnd();
-};
-
-} // namespace domain
-
-#endif // DOMAIN_ADDRESSSPACE_H

comdel/domain/attribute.cpp

@@ -2,55 +2,65 @@
 
 namespace domain {
 
-Enumeration::Enumeration(std::string name, Value value)
-    : name(name), value(value)
-{}
+    Enumeration::Enumeration(std::string name, Value value)
+            : name(name), value(value) {}
 
-std::string Enumeration::getName() {
-    return name;
-}
-Value Enumeration::getValue() {
-    return value;
-}
+    std::string &Enumeration::getName() {
+        return name;
+    }
+
+    Value Enumeration::getValue() {
+        return value;
+    }
 
 
-Popup::Popup(std::string title, std::string text, PopupType type, std::vector<Rule> rules, std::vector<Enumeration> enumeration)
-    : title(title), text(text), type(type), rules(rules), enumerated(enumeration.size() > 0), enumeration(enumeration)
-{}
+    Popup::Popup(std::string title, std::string text, PopupType type, std::vector<Rule> rules,
+                 std::vector<Enumeration> enumeration)
+            : title(title), text(text), type(type), rules(rules), enumerated(enumeration.size() > 0),
+              enumeration(enumeration) {}
 
-std::string Popup::getTitle() {
-    return title;
-}
-std::string Popup::getText() {
-    return text;
-}
-Popup::PopupType Popup::getType() {
-    return type;
-}
-std::vector<Rule> Popup::getRules() {
-    return rules;
-}
+    std::string Popup::getTitle() {
+        return title;
+    }
 
-bool Popup::isEnumerated() {
-    return enumerated;
-}
-std::vector<Enumeration> &Popup::getEnumeration() {
-    return enumeration;
-}
+    std::string Popup::getText() {
+        return text;
+    }
+
+    Popup::PopupType Popup::getType() {
+        return type;
+    }
+
+    std::vector<Rule> Popup::getRules() {
+        return rules;
+    }
+
+    bool Popup::isEnumerated() {
+        return enumerated;
+    }
+
+    std::vector<Enumeration> &Popup::getEnumeration() {
+        return enumeration;
+    }
 
 
-Attribute::Attribute(std::string name, Value defaultValue, std::optional<Popup> popup)
-    : name(name), defaultValue(defaultValue), popup(popup)
-{}
+    Attribute::Attribute(std::string name, Value defaultValue, std::optional<Popup> popup)
+            : name(name), defaultValue(defaultValue), popup(popup) {}
 
-std::string Attribute::getName() {
-    return name;
-}
-Value Attribute::getDefault() {
-    return defaultValue;
-}
-std::optional<Popup> Attribute::getPopup() {
-    return popup;
-}
+    std::string Attribute::getName() {
+        return name;
+    }
+
+    Value Attribute::getDefault() {
+        return defaultValue;
+    }
+
+    std::optional<Popup> Attribute::getPopup() {
+        return popup;
+    }
+
+    void Attribute::setPupup(std::optional<Popup> popup)  {
+        this->popup = popup;
+    }
 
 } // namespace domain

comdel/domain/attribute.h

@@ -1,64 +1,78 @@
 #ifndef DOMAIN_ATTRIBUTE_H
 #define DOMAIN_ATTRIBUTE_H
 
+#include <utility>
+#include <vector>
+
 #include "rule.h"
 #include "value.h"
 
-#include <vector>
-
 namespace domain {
 
-class Enumeration {
-    std::string name;
-    Value value;
-public:
-    Enumeration(std::string name, Value value);
+    class Enumeration {
+        std::string name;
+        Value value;
+    public:
+        Enumeration(std::string name, Value value);
 
-    std::string getName();
-    Value getValue();
-};
+        std::string &getName();
 
-class Popup {
-public:
-    enum PopupType {
-        AUTOMATIC,
-        ON_DEMAND
+        Value getValue();
     };
 
-private:
-    std::string title;
-    std::string text;
-    PopupType type;
+    class Popup {
+    public:
+        enum PopupType {
+            AUTOMATIC,
+            ON_DEMAND
+        };
 
-    bool enumerated;
-    std::vector<Enumeration> enumeration;
-    std::vector<Rule> rules;
+    private:
+        std::string title;
+        std::string text;
+        PopupType type;
 
-public:
-    Popup(std::string title, std::string text, PopupType type, std::vector<Rule> rules, std::vector<Enumeration> enumeration);
+        bool enumerated;
+        std::vector<Enumeration> enumeration;
+        std::vector<Rule> rules;
 
-    std::string getTitle();
-    std::string getText();
-    PopupType getType();
-    std::vector<Rule> getRules();
+    public:
+        Popup(std::string title, std::string text, PopupType type, std::vector<Rule> rules,
+              std::vector<Enumeration> enumeration);
 
-    bool isEnumerated();
-    std::vector<Enumeration> &getEnumeration();
+        std::string getTitle();
 
-};
+        std::string getText();
 
-class Attribute
-{
-    std::string name;
-    Value defaultValue;
-    std::optional<Popup> popup;
-public:
-    Attribute(std::string name, Value defaultValue, std::optional<Popup> popup = std::nullopt);
+        PopupType getType();
 
-    std::string getName();
-    Value getDefault();
-    std::optional<Popup> getPopup();
-};
+        std::vector<Rule> getRules();
+
+        bool isEnumerated();
+
+        std::vector<Enumeration> &getEnumeration();
+
+        void setEnumeration(std::vector<Enumeration> enums) {
+            enumerated = true;
+            enumeration = enums;
+        }
+
+    };
+
+    class Attribute {
+        std::string name;
+        Value defaultValue;
+        std::optional<Popup> popup;
+    public:
+        Attribute(std::string name, Value defaultValue, std::optional<Popup> popup = std::nullopt);
+
+        std::string getName();
+
+        Value getDefault();
+
+        std::optional<Popup> getPopup();
+        void setPupup(std::optional<Popup> popup);
+    };
 
 } // namespace domain
 

comdel/domain/bus.cpp

@@ -2,53 +2,64 @@
 
 namespace domain {
 
-Wire::Wire(std::string name, WireType type, int width, bool hidden, bool hasTermination, long long ifUnterminated)
-    : name(name), type(type), width(width), hidden(hidden), hasTermination(hasTermination), ifUnterminated(ifUnterminated)
-{}
+    Wire::Wire(std::string name, WireType type, int width, bool hidden, bool hasTerminate, Value terminateWith)
+            : name(name), type(type), width(width), hidden(hidden), hasTerminate(hasTerminate),
+              terminateWith(terminateWith) {}
 
-std::string Wire::getName() {
-    return name;
-}
-int Wire::getWidth() {
-    return width;
-}
-bool Wire::isHidden() {
-    return hidden;
-}
-bool Wire::getHasTermination() {
-    return hasTermination;
-}
-long long Wire::getIfUnterminated() {
-    return ifUnterminated;
-}
-Wire::WireType Wire::getType() {
-    return type;
-}
+    std::string Wire::getName() {
+        return name;
+    }
+
+    std::string Bus::getInstanceName() {
+        return instanceName;
+    }
 
 
+    int Wire::getWidth() {
+        return width;
+    }
 
-Bus::Bus(std::string name, std::string tooltip, BusType type, std::pair<int, int> count, std::vector<Wire> wires, std::optional<Display> display)
-    : name(name), tooltip(tooltip), type(type), count(count), wires(wires), display(display)
-{}
+    bool Wire::isHidden() {
+        return hidden;
+    }
 
-std::string Bus::getName() {
-    return name;
-}
-std::string Bus::getTooltip() {
-    return tooltip;
-}
-Bus::BusType Bus::getType() {
-    return type;
-}
-std::pair<int, int> Bus::getCount() {
-    return count;
-}
-std::optional<Display> Bus::getDisplay() {
-    return display;
-}
-std::vector<Wire> Bus::getWires() {
-    return wires;
-}
+    bool Wire::hasTerminateWith() {
+        return hasTerminate;
+    }
 
+    Value Wire::getTerminateWith() {
+        return terminateWith;
+    }
 
+    Wire::WireType Wire::getType() {
+        return type;
+    }
+
+    Bus::Bus(std::string name, std::string instanceName, std::string tooltip, BusType type, std::pair<int, int> count, std::vector<Wire> wires,
+             std::optional<ui::Bus> displayBus)
+            : name(name), instanceName(instanceName), tooltip(tooltip), type(type), count(count), wires(wires), displayBus(displayBus) {}
+
+    std::string Bus::getName() {
+        return name;
+    }
+
+    std::string Bus::getTooltip() {
+        return tooltip;
+    }
+
+    Bus::BusType Bus::getType() {
+        return type;
+    }
+
+    std::pair<int, int> Bus::getCount() {
+        return count;
+    }
+
+    std::vector<Wire> Bus::getWires() {
+        return wires;
+    }
+
+    std::optional<ui::Bus> Bus::getDisplayBus() {
+        return displayBus;
+    }
 } // namespace domain

comdel/domain/bus.h

@@ -2,6 +2,7 @@
 #define DOMAIN_BUS_H
 
 #include "display.h"
+#include "value.h"
 
 #include <string>
 #include <optional>
@@ -10,63 +11,75 @@
 
 namespace domain {
 
-class Wire
-{
-public:
-    enum WireType {
-        WIRE_DEFAULT,
-        WIRED_AND,
-        WIRED_OR,
-        R_WIRE
+    class Wire {
+    public:
+        enum WireType {
+            WIRE_DEFAULT,
+            WIRED_AND,
+            WIRED_OR,
+            R_WIRE
+        };
+
+
+    private:
+        std::string name;
+        WireType type;
+        int width;
+        bool hidden;
+        bool hasTerminate;
+        Value terminateWith;
+
+    public:
+        Wire(std::string name, WireType type, int width, bool hidden, bool hasTerminate, Value terminateWith);
+
+        std::string getName();
+
+        int getWidth();
+
+        bool isHidden();
+
+        bool hasTerminateWith();
+
+        Value getTerminateWith();
+
+        WireType getType();
     };
 
+    class Bus {
+    public:
+        enum BusType {
+            AUTOMATIC,
+            REGULAR,
+            SINGLE_AUTOMATIC
+        };
+    private:
+        std::string name;
+        std::string instanceName;
+        std::string tooltip;
+        BusType type;
 
-private:
-    std::string name;
-    WireType type;
-    int width;
-    bool hidden;
-    bool hasTermination;
-    long long ifUnterminated;
+        std::pair<int, int> count;
+        std::optional<ui::Bus> displayBus;
+        std::vector<Wire> wires;
 
-public:
-    Wire(std::string name, WireType type, int width, bool hidden, bool hasTermination, long long ifUnterminated);
+    public:
+        Bus(std::string name, std::string instanceName, std::string tooltip, BusType type, std::pair<int, int> count, std::vector<Wire> wires,
+            std::optional<ui::Bus> display = std::nullopt);
 
-    std::string getName();
-    int getWidth();
-    bool isHidden();
-    bool getHasTermination();
-    long long getIfUnterminated();
-    WireType getType();
-};
+        std::string getName();
 
-class Bus
-{
-public:
-    enum BusType {
-        AUTOMATIC,
-        REGULAR,
-        AUTOMATIC_SINGLE
+        std::string getInstanceName();
+
+        std::string getTooltip();
+
+        BusType getType();
+
+        std::pair<int, int> getCount();
+
+        std::vector<Wire> getWires();
+
+        std::optional<ui::Bus> getDisplayBus();
     };
-private:
-    std::string name;
-    std::string tooltip;
-    BusType type;
-
-    std::pair<int, int> count;
-    std::optional<Display> display;
-    std::vector<Wire> wires;
-
-public:
-    Bus(std::string name, std::string tooltip, BusType type, std::pair<int, int> count, std::vector<Wire> wires, std::optional<Display> display = std::nullopt);
-
-    std::string getName();
-    std::string getTooltip();
-    BusType getType();
-    std::pair<int, int> getCount();
-    std::vector<Wire> getWires();
-    std::optional<Display> getDisplay();
-};
 
 } // namespace domain
 

comdel/domain/comdel_generator.cpp

@@ -0,0 +1,375 @@
+//
+// Created by bbr on 08.05.22..
+//
+
+#include <set>
+#include "comdel_generator.h"
+
+namespace domain {
+
+    void generate_schema(std::string &librarySource, Schema *schema, std::ostream &buffer) {
+        buffer << "@source \"" << librarySource << "\"" << std::endl << std::endl;
+
+        buffer << "@schema {" << std::endl;
+
+        for (auto &componentInstance: schema->componentInstances) {
+            buffer << "\t" << "@instance " << componentInstance->name << " " << componentInstance->component.getName()
+                   << " {" << std::endl;
+            buffer << "\t\t" << "@position (" << componentInstance->position.first << ", "
+                   << componentInstance->position.second << ")" << std::endl;
+
+            for (auto &attribute: componentInstance->attributes) {
+                buffer << "\t\t" << "@attribute " << attribute.name << " " << attribute.value.stringify() << std::endl;
+            }
+
+            buffer << "\t}" << std::endl << std::endl;
+        }
+
+        for (auto &busInstance: schema->busInstances) {
+            buffer << "\t" << "@instance " << busInstance->name << " " << busInstance->bus.getName() << " {"
+                   << std::endl;
+            buffer << "\t\t" << "@position (" << busInstance->position.first << ", " << busInstance->position.second
+                   << ")" << std::endl;
+            buffer << "\t\t" << "@size " << busInstance->size << std::endl;
+            buffer << "\t}" << std::endl << std::endl;
+        }
+
+        for (auto &conn: schema->connections) {
+            auto busConn = dynamic_cast<domain::BusConnectionInstance *>(conn.get());
+            if (busConn) {
+                buffer << "\t" << "@connection (" << busConn->instance->name << "."
+                       << busConn->connection.getComponent().pin << ", " << busConn->bus->name << ") {" << std::endl;
+
+                for (auto attribute: busConn->attributes) {
+                    buffer << "\t\t" << "@attribute " << attribute.name << " " << attribute.value.stringify()
+                           << std::endl;
+                }
+
+                buffer << "\t" << "}" << std::endl;
+            }
+            auto dirConn = dynamic_cast<domain::DirectConnectionInstance *>(conn.get());
+            if (dirConn) {
+                buffer << "\t" << "@connection (" << dirConn->instance->name << "."
+                       << dirConn->connection.getComponent().pin << ", "
+                       << dirConn->bus->name << ", "
+                       << dirConn->secondInstance->name << "." << dirConn->connection.getSecondComponent()->pin
+                       << ") {" << std::endl;
+
+                for (auto attribute: dirConn->attributes) {
+                    buffer << "\t\t" << "@attribute " << attribute.name << " " << attribute.value.stringify()
+                           << std::endl;
+                }
+
+                buffer << "\t" << "}" << std::endl;
+            }
+        }
+
+        buffer << "}" << std::endl;
+    }
+
+    std::set<std::string> createImports(Schema *schema);
+
+    std::map<string, string> generateWires(Schema *schema, ostream &ostream);
+
+    void generateSubComponents(Schema *schema, map<string, string> &wires, ostream &buffer);
+
+    void generateDisplay(Schema *schema, ostream &buffer);
+
+    void generate_comdel(Schema *schema, Library &library, std::ostream &buffer) {
+        buffer << library.getHeader() << std::endl;
+
+        std::set<std::string> imports = createImports(schema);
+
+        for (auto &import: imports) {
+            buffer << "#include \"" << library.getComponentDirectory() << "\\" << import << "\"" << std::endl;
+        }
+
+        buffer << "\n\n" << std::endl;
+
+        buffer << "component System" << std::endl << "{" << std::endl;
+
+        if (library.getComponentHeader().has_value()) {
+            buffer << library.getComponentHeader().value() << endl;
+        }
+
+        auto wires = generateWires(schema, buffer);
+
+        generateSubComponents(schema, wires, buffer);
+
+        generateDisplay(schema, buffer);
+
+        buffer << "}";
+    }
+
+    void generateBus(BusInstance *bus, ostream &buffer);
+
+    void generateConnection(ConnectionInstance *connection, ostream &buffer);
+
+    void generateDisplay(Schema *schema, ostream &buffer) {
+        buffer << "\n\tdisplay {\n";
+
+        for (auto &component: schema->componentInstances) {
+            buffer << "\t\tcomponent { x: " << component->position.first << "; y: " << component->position.second
+                   << "; ref: \"" << component->name << "\"; }" << std::endl;
+        }
+
+        for (auto &bus: schema->busInstances) {
+            generateBus(bus.get(), buffer);
+        }
+
+        buffer << "\n";
+
+        for (auto &connection: schema->connections) {
+            generateConnection(connection.get(), buffer);
+        }
+
+        buffer << "\t}\n";
+    }
+
+    void generateConnection(ConnectionInstance *connection, ostream &buffer) {
+        buffer << "\t\tline {x1:" << connection->start.first << "; y1:" << connection->start.second << "; " <<
+               "x2:" << connection->end.first << "; y2:" << connection->end.second << ";}" << "\n";
+    }
+
+    void generateBus(BusInstance *bus, ostream &buffer) {
+        buffer << "\n";
+        buffer << "\t\t// " << bus->name << " bus\n\n";
+
+        if (bus->bus.getDisplayBus().has_value()) {
+            bus->bus.getDisplayBus()->comdel(buffer, bus->position.first, bus->position.second, bus->size);
+        }
+    }
+
+    void generateWire(std::string &name, Wire &wire, ostream &buffer);
+
+    std::map<string, string> generateWires(Schema *schema, ostream &buffer) {
+        std::set<string> usedNames;
+        std::map<string, string> usedMappings;
+        for (auto &bus: schema->busInstances) {
+            buffer << "\t//" << bus->name << std::endl;
+            for (auto &wire: bus->bus.getWires()) {
+                std::string name = wire.getName();
+                if (usedNames.count(wire.getName()) > 0) {
+                    name = bus->name + "__" + wire.getName();
+                }
+                if (wire.isHidden()) {
+                    name = "--" + name;
+                }
+                usedNames.insert(name);
+                usedMappings.insert(std::make_pair(bus->name + "." + wire.getName(), name));
+
+                generateWire(name, wire, buffer);
+            }
+            buffer << std::endl << std::endl;
+        }
+        return usedMappings;
+    }
+
+    void generateWire(std::string &name, Wire &wire, ostream &buffer) {
+        buffer << "\t";
+        switch (wire.getType()) {
+            case Wire::R_WIRE:
+                buffer << "r_wire";
+                break;
+            case Wire::WIRED_AND:
+                buffer << "wired_and";
+                break;
+            case Wire::WIRED_OR:
+                buffer << "wired_or";
+                break;
+            default:
+                buffer << "wire";
+        }
+
+        if (wire.getWidth() != 1) {
+            buffer << "<" << wire.getWidth() << ">";
+        }
+        buffer << " " << name << ";" << std::endl;
+    }
+
+    std::set<std::string> createImports(Schema *schema) {
+        std::set<std::string> importSet;
+        for (auto &component: schema->componentInstances) {
+            importSet.insert(component->component.getSource());
+        }
+        return importSet;
+    }
+
+    void
+    generateAutomaticPin(DirectConnectionInstance *connection, string name, string pin, map<string, string> wireNames,
+                         stringstream &buffer);
+
+    void generateSingleAutomaticPin(DirectConnectionInstance *instance, string name, string pin,
+                                    map<string, string> &wireNames,
+                                    stringstream &buffer);
+
+    void generateComponent(Schema *schema, map<string, string> &wires, ostream &buffer,
+                           shared_ptr<ComponentInstance> &component);
+
+    void generateSubComponents(Schema *schema, map<string, string> &wires, ostream &buffer) {
+
+        buffer << "\t// components --------------------------------------------" << std::endl;
+
+        for (auto &component: schema->componentInstances) {
+            if (component->component.getType() == Component::MEMORY) {
+                generateComponent(schema, wires, buffer, component);
+            }
+        }
+        for (auto &component: schema->componentInstances) {
+            if (component->component.getType() != Component::MEMORY) {
+                generateComponent(schema, wires, buffer, component);
+            }
+        }
+    }
+
+    void generateComponent(Schema *schema, map<string, string> &wires, ostream &buffer,
+                           shared_ptr<ComponentInstance> &component) {
+        buffer << "\tsubcomponent " << component->component.getName() << " " << component->name;
+
+        std::optional<InstanceAttribute> memory;
+
+        std::vector<InstanceAttribute> attributes;
+        for (auto &attr: component->attributes) {
+            if (attr.name != "_memory") {
+                attributes.push_back(attr);
+            } else if (attr.name == "_memory" && attr.value.asMemoryReference().has_value()) {
+                memory = attr;
+            }
+        }
+
+        if (!attributes.empty()) {
+            buffer << "<";
+            buffer << attributes[0].value.stringify();
+            for (int i = 1; i < attributes.size(); i++) {
+                buffer << ", " << attributes[i].value.stringify();
+            }
+            buffer << ">";
+        }
+
+        stringstream tempOutput;
+
+        for (auto &pin: component->component.getPins()) {
+            if (schema->hasConnection(component->name, pin.getName())) {
+                auto conn = schema->getConnection(component->name, pin.getName());
+                auto busConn = dynamic_cast<BusConnectionInstance *>(conn);
+                if (busConn != nullptr) {
+                    for (auto wire: busConn->connection.getWires()) {
+                        if (wire.isType(Value::ATTRIBUTE_REFERENCE)) {
+                            auto attribute = busConn->getAttribute(wire.asReference());
+                            if (wire.isType(Value::WIRE_REFERENCE)) {
+                                tempOutput << wires[busConn->bus->name + "." + attribute.value.asReference()] << ", ";
+                            } else if (wire.isType(Value::NIL)) {
+                                tempOutput << "*, ";
+                            } else {
+                                tempOutput << attribute.value.stringify() << ", ";
+                            }
+                        } else {
+                            if (wire.isType(Value::WIRE_REFERENCE)) {
+                                tempOutput << wires[busConn->bus->name + "." + wire.asReference()] << ", ";
+                            } else if (wire.isType(Value::NIL)) {
+                                tempOutput << "*, ";
+                            } else {
+                                tempOutput << wire.stringify() << ", ";
+                            }
+                        }
+                    }
+                }
+                auto dirConn = dynamic_cast<DirectConnectionInstance *>(conn);
+                if (dirConn != nullptr) {
+                    if (dirConn->bus->bus.getType() == Bus::AUTOMATIC) {
+                        generateAutomaticPin(dirConn, component->name, pin.getName(), wires, tempOutput);
+                    } else {
+                        generateSingleAutomaticPin(dirConn, component->name, pin.getName(), wires, tempOutput);
+                    }
+                }
+            } else {
+                // if no connection exists than defaults must exist
+                for (auto &wire: *pin.getWires()) {
+                    if(wire.isType(Value::NIL)) {
+                        tempOutput << "*, ";
+                    } else {
+                        tempOutput << wire.stringify() << ", ";
+                    }
+                }
+            }
+        }
+
+        auto wireList = tempOutput.str();
+        wireList.pop_back();
+        wireList.pop_back(); // remove last COMMA(", ")
+
+        buffer << "(" << wireList << ")";
+
+        if (memory.has_value()) {
+            buffer << " uses " << *memory->value.asMemoryReference();
+        }
+
+        buffer << ";" << std::endl;
+
+    }
+
+    void generateSingleAutomaticPin(DirectConnectionInstance *connection, string name, string pin,
+                                    map<string, string> &wireNames, stringstream &buffer) {
+        std::vector<Value> wires;
+        std::string selected;
+        std::vector<Value> defaults;
+        if (connection->instance->name == name && connection->connection.getComponent().pin == pin) {
+            wires = connection->connection.getWires();
+            selected = connection->attributes[0].value.asString();
+            defaults = *connection->instance->component.getPin(pin).getWires();
+        } else {
+            wires = *connection->connection.getSecondWires();
+            selected = connection->attributes[1].value.asString();
+            defaults = *connection->secondInstance->component.getPin(pin).getWires();
+        }
+
+        for (int i = 0; i < wires.size(); i++) {
+            if (wires[i].isType(Value::STRING)) {
+                if (wires[i].asString() == selected) {
+                    auto wireName = connection->bus->name + "." + connection->bus->bus.getWires()[0].getName();
+                    buffer << wireNames[wireName] << ", ";
+                } else if(defaults[i].isType(Value::NIL)) {
+                    buffer << "*, ";
+                } else {
+                    buffer << defaults[i].stringify() << ", ";
+                }
+            } else if(defaults[i].isType(Value::NIL)) {
+                buffer << "*, ";
+            } else {
+                buffer << wires[i].stringify() << ", ";
+            }
+        }
+    }
+
+    void
+    generateAutomaticPin(DirectConnectionInstance *connection, string name, string pin, map<string, string> wireNames,
+                         stringstream &buffer) {
+        std::vector<Value> wires;
+        if (connection->instance->name == name && connection->connection.getComponent().pin == pin) {
+            wires = connection->connection.getWires();
+        } else {
+            wires = *connection->connection.getSecondWires();
+        }
+        for (auto &wire: wires) {
+            if (wire.isType(Value::ATTRIBUTE_REFERENCE)) {
+                auto attribute = connection->getAttribute(wire.asReference());
+                if (wire.isType(Value::WIRE_REFERENCE)) {
+                    buffer << wireNames[connection->bus->name + "." + attribute.value.asReference()] << ", ";
+                } else if (wire.isType(Value::NIL)) {
+                    buffer << "*, ";
+                } else {
+                    buffer << attribute.value.stringify() << ", ";
+                }
+            } else {
+                if (wire.isType(Value::WIRE_REFERENCE)) {
+                    buffer << wireNames[connection->bus->name + "." + wire.asReference()] << ", ";
+                } else if (wire.isType(Value::NIL)) {
+                    buffer << "*, ";
+                } else {
+                    buffer << wire.stringify() << ", ";
+                }
+            }
+        }
+    }
+
+} // domain

comdel/domain/comdel_generator.h

@@ -0,0 +1,16 @@
+#ifndef COMDEL_GENERATOR_H
+#define COMDEL_GENERATOR_H
+
+#include <sstream>
+#include "schema.h"
+#include "library.h"
+
+namespace domain {
+
+    void generate_schema(std::string &librarySource, Schema *schema, std::ostream &buffer);
+
+    void generate_comdel(Schema *schema, Library &library, std::ostream &buffer);
+
+} // domain
+
+#endif //COMDEL_GENERATOR_H

comdel/domain/comdel_validator.cpp

@@ -0,0 +1,255 @@
+#include <set>
+#include "comdel_validator.h"
+#include "library.h"
+
+namespace domain {
+
+    std::vector<ValidationError> ComdelValidator::validateSchema(Schema &schema, ValidationContext context) {
+        std::vector<ValidationError> errors;
+
+        context.instance = nullptr;
+        context.attribute = nullptr;
+
+        for (auto &instance: schema.componentInstances) {
+            auto result = validateComponent(instance.get(), context);
+            errors.insert(errors.end(), result.begin(), result.end());
+        }
+        return errors;
+    }
+
+    std::vector<ValidationError>
+    ComdelValidator::validateInstanceCount(Schema &schema, Library &library, ValidationContext context) {
+        std::vector<ValidationError> errors;
+
+        // validate instance count
+        std::map<std::string, int> instanceMap;
+        for (auto &inst: schema.componentInstances) {
+            instanceMap[inst->component.getName()]++;
+        }
+
+        for (auto comp: library.getComponents()) {
+            int count = instanceMap[comp.getName()];
+
+            context.attributes["componentName"] = Value::fromString(comp.getName());
+            context.attributes["min"] = Value::fromInt(comp.getCount().first);
+            context.attributes["max"] = Value::fromInt(comp.getCount().second);
+            context.attributes["count"] = Value::fromInt(count);
+
+            if (count < comp.getCount().first) {
+                auto message = populateMessage(
+                        "Nedovoljno instanci komponente '{componentName}' potrebno barem {min}, pronađeno {count}",
+                        context);
+                errors.emplace_back(Action::ERROR, message);
+            } else if (count > comp.getCount().second) {
+                auto message = populateMessage(
+                        "Previše insanci komponente '{componentName}' dozvoljeno najviše {max}, pronađeno {count}", context);
+                errors.emplace_back(Action::ERROR, message);
+            }
+        }
+
+
+        // validate bus instance count
+        std::map<std::string, int> busInstanceMap;
+        for (auto &inst: schema.busInstances) {
+            busInstanceMap[inst->bus.getName()]++;
+        }
+
+        for (auto bus: library.getBuses()) {
+            int count = busInstanceMap[bus.getName()];
+
+            context.attributes["busName"] = Value::fromString(bus.getName());
+            context.attributes["min"] = Value::fromInt(bus.getCount().first);
+            context.attributes["max"] = Value::fromInt(bus.getCount().second);
+            context.attributes["count"] = Value::fromInt(count);
+
+            if (count < bus.getCount().first) {
+                auto message = populateMessage(
+                        "Nedovoljno instanci sabirnice '{busName}' potrebna barem jedna {min}, pronađeno {count}", context);
+                errors.emplace_back(Action::ERROR, message);
+            } else if (count > bus.getCount().second) {
+                auto message = populateMessage(
+                        "Previše instanci sabirnice '{busName}' dozvoljeno najviše {max}, pronašeno {count}", context);
+                errors.emplace_back(Action::ERROR, message);
+            }
+        }
+
+        return errors;
+    }
+
+    std::vector<ValidationError>
+    ComdelValidator::validatePinConnections(Schema &schema, Library &library, ValidationContext context) {
+        std::vector<ValidationError> errors;
+
+        for (auto &inst: schema.componentInstances) {
+            for (auto &pin: inst->component.getPins()) {
+                if (pin.getConnection().getType() == PinConnection::REQUIRED) {
+                    if (!connectionExists(schema, inst, pin)) {
+                        context.instance = inst.get();
+                        context.attributes["instanceName"] = Value::fromString(inst->name);
+                        auto message = populateMessage(pin.getConnection().getMessage(), context);
+                        errors.emplace_back(Action::ERROR, message);
+                    }
+                }
+            }
+        }
+
+        return errors;
+    }
+
+    std::vector<ValidationError>
+    ComdelValidator::validateComponent(ComponentInstance *instance, ValidationContext context) {
+        std::vector<ValidationError> errors;
+
+        context.instance = instance;
+        context.attributes.clear();
+
+        for (auto &attribute: instance->attributes) {
+            context.attributes[attribute.name] = attribute.value;
+        }
+
+        for (auto &rule: instance->component.getRules()) {
+            auto result = validateRule(rule, context);
+            if (result) {
+                errors.push_back(*result);
+            }
+        }
+
+        for (auto &attribute: instance->attributes) {
+            auto result = validateAttribute(&attribute, context);
+            errors.insert(errors.end(), result.begin(), result.end());
+        }
+
+        return errors;
+    }
+
+    std::vector<ValidationError>
+    ComdelValidator::validateAttribute(InstanceAttribute *attribute, ValidationContext context) {
+        std::vector<ValidationError> errors;
+        if (attribute->attribute.getPopup()) {
+            Popup popup = *attribute->attribute.getPopup();
+            context.attribute = attribute;
+            context.attributes = std::map<std::string, Value>{{attribute->name, attribute->value}};
+
+            for (auto &rule: popup.getRules()) {
+                auto result = validateRule(rule, context);
+                if (result) {
+                    errors.push_back(*result);
+                }
+            }
+        }
+        return errors;
+    }
+
+    std::optional<ValidationError> ComdelValidator::validateRule(Rule rule, ValidationContext context) {
+        RuleContext ruleContext;
+        ruleContext.addressSpaces = context.addressSpaces;
+        ruleContext.attributes = context.attributes;
+        ruleContext.function = validators;
+        auto action = rule.evaluate(ruleContext);
+        if (action) {
+            std::string message = this->populateMessage(action->getMessage(), context);
+            return ValidationError{context.instance, context.attribute, action->getType(), message};
+        }
+        return nullopt;
+    }
+
+
+    std::vector<ValidationError>
+    ComdelValidator::validateMemoryReferences(Schema &schema, Library &library, ValidationContext context) {
+        std::set<std::string> memoryInstances;
+        for(auto& component: schema.componentInstances) {
+            if(component->component.getType() == Component::MEMORY) {
+                memoryInstances.insert(component->name);
+            }
+        }
+
+        std::vector<ValidationError> errors;
+        for(auto& component: schema.componentInstances) {
+            if(component->component.getType() == Component::PROCESSOR) {
+                for(auto& attribute: component->attributes) {
+                    if(attribute.value.isType(Value::MEMORY_REFERENCE)) {
+                        auto memoryReference = attribute.value.asMemoryReference();
+                        if(memoryReference != nullopt) {
+                            if(memoryInstances.count(*memoryReference) == 0) {
+                                context.attributes["memoryReference"] = domain::Value::fromString(memoryReference.value());
+                                auto message = populateMessage("Ne postoji memorijska komponenta '{memoryReference}'", context);
+                                errors.emplace_back(component.get(), nullptr, Action::ERROR, message);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        return errors;
+    }
+
+    std::vector<ValidationError>
+    ComdelValidator::validateInstanceNames(Schema &schema, Library &library, ValidationContext context) {
+        std::set<std::string> names;
+        std::vector<ValidationError> errors;
+
+        for(auto& component: schema.componentInstances) {
+            if(names.find(component->name) != names.end()) {
+                context.attributes["componentName"] = Value::fromString(component->name);
+                auto message = populateMessage(
+                        "Pronađeno više instanci sa imenom '{componentName}'", context);
+                errors.emplace_back(Action::ERROR, message);
+            }
+            names.insert(component->name);
+        }
+        return errors;
+    }
+
+
+    std::string ComdelValidator::populateMessage(string source, ValidationContext context) {
+        for (auto &[key, value]: context.attributes) {
+            source = replacePlaceholder(source, key, value);
+        }
+        return source;
+    }
+
+    string ComdelValidator::replacePlaceholder(string source, string key, Value value) {
+        key = "{" + key + "}";
+        auto placeholderValue = value.string();
+
+        auto found = source.find(key);
+        while (found != string::npos) {
+            source.replace(found, key.length(), placeholderValue);
+            found = source.find(key);
+        }
+        return source;
+    }
+
+    bool ComdelValidator::connectionExists(Schema &schema, shared_ptr<ComponentInstance> &component, Pin &pin) {
+        for (auto conn: schema.connections) {
+            auto busConnection = dynamic_cast<BusConnectionInstance *>(conn.get());
+            if (busConnection != nullptr) {
+                if (busConnection->instance->name == component->name &&
+                    busConnection->connection.getComponent().pin == pin.getName()) {
+                    return true;
+                }
+            }
+
+            auto directConnection = dynamic_cast<DirectConnectionInstance *>(conn.get());
+            if (directConnection != nullptr) {
+                if (directConnection->instance->name == component->name &&
+                    directConnection->connection.getComponent().pin == pin.getName()) {
+                    return true;
+                }
+                if (directConnection->secondInstance->name == component->name &&
+                    directConnection->connection.getSecondComponent()->pin == pin.getName()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    ComdelValidator::ComdelValidator(std::vector<FunctionValidator *> validators) {
+        for (auto *validator: validators) {
+            validator->clear();
+            this->validators.insert(std::make_pair(validator->getName(), validator));
+        }
+    }
+}

comdel/domain/comdel_validator.h

@@ -0,0 +1,60 @@
+#ifndef COMDEL_VALIDATOR_H
+#define COMDEL_VALIDATOR_H
+
+#include "instance.h"
+#include "schema.h"
+#include "library.h"
+
+namespace domain {
+
+    struct ValidationError {
+        ComponentInstance *instance;
+        InstanceAttribute *attribute;
+        Action::ActionType type;
+        std::string message;
+
+        ValidationError(Action::ActionType type, std::string message): instance(nullptr), attribute(nullptr), type(type), message(message) {}
+
+        ValidationError(ComponentInstance* instance, InstanceAttribute* attribute, Action::ActionType type, std::string message): instance(instance), attribute(attribute), type(type), message(message) {}
+    };
+
+    struct ValidationContext {
+        ComponentInstance *instance;
+        InstanceAttribute *attribute;
+        std::map<std::string, AddressSpace> addressSpaces;
+        std::map<std::string, Value> attributes;
+    };
+
+    class ComdelValidator {
+    public:
+        std::vector<ValidationError> validateSchema(Schema &schema, ValidationContext context);
+
+        std::vector<ValidationError> validateComponent(ComponentInstance *instance, ValidationContext context);
+
+        std::vector<ValidationError> validateAttribute(InstanceAttribute *attribute, ValidationContext context);
+
+        std::optional<ValidationError> validateRule(Rule rule, ValidationContext context);
+
+        std::vector<ValidationError> validateMemoryReferences(Schema &schema, Library &library, ValidationContext context);
+
+        std::vector<ValidationError> validateInstanceNames(Schema &schema, Library &library, ValidationContext context);
+
+        std::vector<ValidationError> validateInstanceCount(Schema &schema, Library &library, ValidationContext context);
+
+        std::vector<ValidationError>
+        validatePinConnections(Schema &schema, Library &library, ValidationContext context);
+
+        ComdelValidator(std::vector<FunctionValidator *> validators);
+
+    private:
+        std::map<std::string, FunctionValidator *> validators;
+
+        std::string populateMessage(string message, ValidationContext context);
+
+        string replacePlaceholder(string message, const string name, Value value);
+
+        bool connectionExists(Schema &schema, shared_ptr<ComponentInstance> &component, Pin &pin);
+    };
+
+}
+#endif //COMDEL_VALIDATOR_H

comdel/domain/comdelgenerator.cpp

@@ -1,697 +0,0 @@
-#include "comdelgenerator.h"
-
-#include<set>
-
-namespace domain {
-
-Component::ComponentType toType(ComponentNode::ComponentType type) {
-    if(type == ComponentNode::MEMORY) {
-        return Component::MEMORY;
-    } else if(type == ComponentNode::PROCESSOR) {
-        return Component::PROCESSOR;
-    }
-    return Component::OTHER;
-}
-
-Action::ActionType toType(ActionNode::ActionType type) {
-    if(type == ActionNode::ERROR) {
-        return Action::ERROR;
-    }
-    return Action::WARNING;
-}
-
-Wire::WireType toType(WireNode::WireType type) {
-    switch (type) {
-    case WireNode::R_WIRE:
-        return Wire::R_WIRE;
-    case WireNode::WIRE:
-        return Wire::WIRE_DEFAULT;
-    case WireNode::WIRED_AND:
-        return Wire::WIRED_AND;
-    case WireNode::WIRED_OR:
-        return Wire::WIRED_OR;
-    default:
-        return Wire::WIRE_DEFAULT;
-    }
-}
-
-Value::ValueType toType(ValueNode::ValueType type) {
-    switch (type) {
-    case ValueNode::BOOL:
-        return Value::BOOL;
-    case ValueNode::WIRE:
-        return Value::WIRE_REFERENCE;
-    case ValueNode::STRING:
-        return Value::STRING;
-    case ValueNode::INT:
-        return Value::INT;
-    default:
-        return Value::UNDEFINED;
-    }
-}
-
-
-Value toType(ValueNode node) {
-    if(node.getType() == ValueNode::BOOL) {
-        return Value::fromBool(node.asBool());
-    } else if(node.getType() == ValueNode::INT) {
-        return Value::fromInt(node.asInt());
-    } else if(node.getType() == ValueNode::STRING) {
-        return Value::fromString(node.asString());
-    }
-    return Value::fromReference(node.asIdentifier(), Value::UNDEFINED);
-}
-
-
-Bus::BusType toType(BusNode::BusType type) {
-    if(type == BusNode::AUTOMATIC) {
-        return Bus::AUTOMATIC;
-    }
-    return Bus::REGULAR;
-}
-
-
-Pin::PinType toType(PinNode::PinType type) {
-    if(type == PinNode::IN) {
-        return Pin::IN;
-    } else if(type == PinNode::OUT) {
-        return Pin::OUT;
-    }
-    return Pin::IN_OUT;
-}
-
-PinConnection::ConnectionType toType(PinConnectionNode::ConnectionType type)
-{
-    if(type == PinConnectionNode::AUTOMATICALLY) {
-        return PinConnection::AUTOMATICALLY;
-    }
-    return PinConnection::CHECK_ONLY;
-}
-
-
-Popup::PopupType toType(PopupNode::PopupType type)
-{
-    if(type == PopupNode::AUTOMATIC) {
-        return Popup::AUTOMATIC;
-    }
-    return Popup::ON_DEMAND;
-}
-
-ComdelGenerator::ComdelGenerator(std::vector<FunctionSignature> signatures)
-    : signatures(signatures)
-{}
-
-std::optional<Library> ComdelGenerator::loadLibrary(LibraryNode node)
-{
-    // library fields
-    if(!node.name) {
-        errors.push_back(SourceError{node.span, "missing @name"});
-        return nullopt;
-    } else {
-        name = node.name->asString();
-    }
-
-    if(!node.componentDirectory) {
-        errors.push_back(SourceError{node.span, "missing @componentDirectory"});
-        return nullopt;
-    } else {
-        componentDirectory = node.componentDirectory->asString();
-    }
-
-    header = node.header ? node.header->asString() : "";
-
-    libraryInfo = node.libraryInfo ? node.libraryInfo->asString() : "";
-
-    for(auto& as: node.addressSpaces) {
-        addressSpaces.push_back(*loadAddressSpace(as));
-    }
-
-    for(auto& comp: node.components) {
-        std::optional<Component> component;
-        component = loadComponent(comp);
-        if(component) {
-            components.push_back(*component);
-        }
-    }
-
-    for(uint i=0; i<node.buses.size(); i++) {
-        auto bus = loadBus(node.buses[i]);
-        if(bus) {
-            buses.push_back(*bus);
-        }
-    }
-
-    for(uint i=0; i<node.connections.size(); i++) {
-        auto conn = loadConnection(node.connections[i]);
-        if(conn) {
-            connections.push_back(*conn);
-        }
-    }
-
-    for(uint i=0; i<node.messages.size(); i++) {
-        if(!node.messages[i].value.is(ValueNode::STRING)) {
-            errors.push_back(SourceError{node.messages[i].span, "expected `string`"});
-        } else {
-            messages[node.messages[i].key.value] = node.messages[i].value.asString();
-        }
-    }
-
-    return Library(name, libraryInfo, header, componentDirectory, addressSpaces, components, buses, connections, messages);
-}
-
-std::optional<Bus> ComdelGenerator::loadBus(BusNode node)
-{
-    std::string name = node.name.value;
-
-    auto count = std::make_pair<int, int>(1, 1);
-    if(node.count) {
-        count = std::make_pair<int, int>(node.count->first.value, node.count->second.value);
-    }
-    if(count.first > count.second || count.first < 0) {
-        errors.push_back(SourceError{node.count->span, "invalid @size"});
-        return nullopt;
-    }
-
-    auto type = toType(node.type);
-
-    if(!node.tooltip && type == Bus::REGULAR) {
-        errors.push_back(SourceError{node.span, "missing @tooltip"});
-        return nullopt;
-    }
-    std::string tooltip = node.tooltip->asString();
-
-    if(!node.display && type == Bus::REGULAR) {
-        errors.push_back(SourceError{node.span, "missing @display"});
-        return nullopt;
-    }
-    if(node.display && (type == Bus::AUTOMATIC || type == Bus::AUTOMATIC_SINGLE)) {
-        errors.push_back(SourceError{node.span, "automatic bus cannot have a @display"});
-        return nullopt;
-    }
-
-    optional<Display> display;
-    if(Bus::REGULAR) {
-        display = loadDisplay(*node.display);
-        if(!display) {
-            return nullopt;
-        }
-    }
-
-    if(node.wires.size() == 0) {
-        errors.push_back(SourceError{node.span, "missing @wires"});
-        return nullopt;
-    }
-    std::vector<Wire> wires;
-    for(auto& _wire: node.wires) {
-        auto wire = loadWire(_wire);
-        if(wire) {
-            wires.push_back(*wire);
-        }
-    }
-
-    return Bus(name, tooltip, type, count, wires, display);
-}
-
-
-std::optional<AddressSpace> ComdelGenerator::loadAddressSpace(AddressSpaceNode node)
-{
-    return AddressSpace(node.name.value, node.start.value, node.end.value);
-}
-
-std::optional<Connection> ComdelGenerator::loadConnection(ConnectionNode node)
-{
-    push(ComdelContext("connection", false, true, false));
-
-    std::string component = node.component.value;
-    std::string pin = node.pin.value;
-    std::string bus = node.bus.value;
-
-    auto componentInstance = getComponentPin(component, pin);
-    if(!componentInstance) {
-        errors.push_back(SourceError(node.span, "pin does not exist"));
-    }
-
-    auto busInstance = getBus(bus);
-    if(!busInstance) {
-        errors.push_back(SourceError(node.span, "bus does not exist"));
-    }
-
-    std::set<std::string> wireNames;
-    for(auto &wire: busInstance->getWires()) {
-        wireNames.insert(wire.getName());
-        current().wires.push_back(wire.getName());
-    }
-
-    std::vector<Attribute> attributes;
-    for(uint i=0; i<node.attributes.size(); i++) {
-        auto attr = loadAttribute(node.attributes[i]);
-        if(!attr) {
-            return nullopt;
-        }
-        attributes.push_back(*attr);
-    }
-
-    std::set<std::string> attributeNames;
-    for(auto attribute: attributes) {
-        attributeNames.insert(attribute.getName());
-    }
-
-    std::vector<Value> wires;
-    for(uint i=0; i<node.wires.size(); i++) {
-        if(attributeNames.count(node.wires[i].value)) {
-            wires.push_back(Value::fromReference(node.wires[i].value, Value::ATTRIBUTE_REFERENCE));
-        } else if(wireNames.count(node.wires[i].value)) {
-            wires.push_back(Value::fromReference(node.wires[i].value, Value::WIRE_REFERENCE));
-        } else {
-            errors.push_back(SourceError(node.wires[i].span, "unknown identifier"));
-        }
-    }
-
-    pop();
-
-    return Connection(component, pin, bus, attributes, wires);
-}
-
-std::optional<Component> ComdelGenerator::loadComponent(ComponentNode node)
-{
-    push(ComdelContext(node.name.value, true, false, false));
-
-    std::string name = node.name.value;
-
-    if(!node.tooltip) {
-        errors.push_back(SourceError{node.span, "missing @tooltip"});
-        pop();
-        return nullopt;
-    }
-    std::string tooltip = node.tooltip->asString();
-
-    if(!node.source) {
-        errors.push_back(SourceError{node.span, "missing @source"});
-        pop();
-        return nullopt;
-    }
-    std::string source = node.source->asString();
-
-    Component::ComponentType type = toType(node.type);
-
-    std::vector<Attribute> attributes;
-    for(auto& a: node.attributes) {
-        std::optional<Attribute> attribute = loadAttribute(a);
-        if(attribute) {
-            attributes.push_back(*attribute);
-        }
-    }
-
-    context[context.size() -1 ].attributes = attributes;
-
-    std::vector<Rule> rules;
-    for(auto& r: node.rules) {
-        std::optional<Rule> rule = loadRule(r);
-        if(rule) {
-            rules.push_back(*rule);
-        }
-    }
-
-    if(!node.instanceName) {
-        errors.push_back(SourceError{node.span, "missing @instanceName"});
-        pop();
-        return nullopt;
-    }
-    std::string instanceName = node.instanceName->asString();
-
-    auto count = std::make_pair<int, int>(1, 1);
-    if(node.count) {
-        count = std::make_pair<int, int>(node.count->first.value, node.count->second.value);
-    }
-    if(count.first > count.second || count.first < 0) {
-        errors.push_back(SourceError{node.count->first.span, "invalid @size"});
-        pop();
-        return nullopt;
-    }
-
-    if(!node.display) {
-        errors.push_back(SourceError{node.span, "missing @display"});
-        pop();
-        return nullopt;
-    }
-    optional<Display> display = loadDisplay(*node.display);
-    if(!display) {
-        pop();
-        return nullopt;
-    }
-
-    std::vector<Pin> pins;
-    for(uint i=0; i<node.pins.size(); i++) {
-        auto pin = loadPin(node.pins[i]);
-        if(!pin) {
-            pop();
-            return nullopt;
-        }
-        pins.push_back(*pin);
-    }
-
-    pop();
-    return Component(name, tooltip, source, type, rules, instanceName, count, *display, pins, attributes);
-}
-
-std::optional<Wire> ComdelGenerator::loadWire(WireNode node) {
-    return Wire(
-                node.name.value,
-                toType(node.type),
-                node.size.value,
-                node.hidden,
-                node.hasTermination,
-                node.isUnterminated
-    );
-}
-
-optional<Pin> ComdelGenerator::loadPin(PinNode node)
-{
-    std::string name = node.name.value;
-    Pin::PinType type = toType(node.type);
-
-    if(!node.tooltip) {
-        errors.push_back(SourceError{node.span, "missing @tooltip"});
-        return nullopt;
-    }
-    std::string tooltip = node.tooltip->asString();
-
-    if(!node.display) {
-        errors.push_back(SourceError{node.span, "missing @display"});
-        return nullopt;
-    }
-    std::vector<Attribute> attributes;
-    optional<Display> display = loadDisplay(*node.display);
-    if(!display) {
-        return nullopt;
-    }
-
-    if(!node.connection) {
-        errors.push_back(SourceError{node.span, "missing @connection"});
-        return nullopt;
-    }
-    auto connection = loadPinConnection(*node.connection);
-
-    return Pin(name, type, tooltip, connection, *display);
-}
-
-
-std::optional<Display> ComdelGenerator::loadDisplay(DisplayNode node)
-{
-    return Display();
-}
-
-
-PinConnection ComdelGenerator::loadPinConnection(PinConnectionNode node)
-{
-    std::string message = node.message.asString();
-    PinConnection::ConnectionType type = toType(node.type);
-    return PinConnection(message, type);
-}
-
-std::optional<Attribute> ComdelGenerator::loadAttribute(AttributeNode node)
-{
-    std::string name = node.name.value;
-    pushAdditional(name);
-    Value value;
-
-    if(current().inComponent) {
-        if(node.type == ValueNode::INT) {
-            value = Value::fromInt(node.defaultValue->asInt());
-        } else if (node.type == ValueNode::BOOL) {
-            value = Value::fromBool(node.defaultValue->asBool());
-        } else if (node.type == ValueNode::STRING) {
-            value = Value::fromString(node.defaultValue->asString());
-        } else {
-            errors.push_back(SourceError{node.name.span, "unsupported type"});
-        }
-    }
-    if(current().inConnection) { // TODO remove identifier
-        if (node.type == ValueNode::WIRE || node.type == ValueNode::IDENTIFIER) {
-            if(current().doesWireExists(node.defaultValue->asIdentifier())) {
-                value = Value::fromReference(node.defaultValue->asIdentifier(), Value::WIRE_REFERENCE);
-            } else {
-                value = Value::fromReference("", Value::WIRE_REFERENCE);
-                errors.push_back(SourceError{node.span, "unknown identifier"});
-            }
-        } else {
-            errors.push_back(SourceError{node.name.span, "unsupported type"});
-        }
-    }
-
-    current().attributes.push_back(Attribute(name, value));
-
-    std::optional<Popup> popup;
-    if(node.popup) {
-        popup = loadPopup(*node.popup, name, value.getType());
-    }
-
-    pop();
-    return Attribute(name, value, popup);
-}
-
-std::optional<Popup> ComdelGenerator::loadPopup(PopupNode node, std::string name, Value::ValueType type)
-{
-    auto popupType = toType(*node.type);
-
-    pushAdditional(name);
-
-    current().attributes.clear();
-    current().attributes.push_back(Attribute(name, Value::ofType(type)));
-
-    if(!node.title) {
-        errors.push_back(SourceError{node.span, "missing @title"});
-        return nullopt;
-    }
-    std::string title = node.title->asString();
-
-    if(!node.text) {
-        errors.push_back(SourceError{node.span, "missing @text"});
-        return nullopt;
-    }
-    std::string text = node.text->asString();
-
-    std::vector<Rule> rules;
-    for(auto& r: node.rules) {
-        std::optional<Rule> rule = loadRule(r);
-        if(rule) {
-            rules.push_back(*rule);
-        }
-    }
-
-    std::vector<Enumeration> enumeration;
-    if(node.enumerated) {
-        for(uint i=0; i<node.enumeration.size(); i++) {
-            if(toType(node.enumeration[i].value.getType()) != type) {
-
-            }
-            auto value = toType(node.enumeration[i].value);
-
-            if(value.isType(Value::UNDEFINED) && current().doesWireExists(value.asReference())) {
-                value = Value::fromReference(value.asReference(), Value::WIRE_REFERENCE);
-            } else {
-                errors.push_back(SourceError{node.enumeration[i].span, "unknown wire"});
-            }
-            if(value.getType() != type) {
-                errors.push_back(SourceError{node.enumeration[i].span, "wrong type"});
-            }
-            enumeration.push_back(Enumeration(node.enumeration[i].key.asString(), value));
-        }
-    } else {
-        if(type == Value::WIRE_REFERENCE && !current().inConnection) {
-            errors.push_back(SourceError{node.span, "@enumeration is required for atributes of type wire"});
-        }
-
-    }
-
-    pop();
-
-    return Popup(title, text, popupType, rules, enumeration);
-}
-
-std::optional<Rule> ComdelGenerator::loadRule(RuleNode node)
-{
-    std::vector<IfStatement> statements;
-
-    for(auto& stmt: node.statements) {
-        auto condition = loadCondition(stmt.condition);
-        if(condition) {
-            statements.push_back(IfStatement(*condition, Action(toType(stmt.action.type), stmt.action.message.asString())));
-        } else {
-            return nullopt;
-        }
-    }
-
-    return Rule(statements);
-}
-
-std::optional<Condition> ComdelGenerator::loadCondition(ConditionNode node)
-{
-    std::string function = node.functionName.value;
-
-    for(uint i=0; i<signatures.size(); i++) {
-        if(signatures[i].name == function) {
-            if(signatures[i].params.size() == node.params.size()) {
-                std::vector<Value> params;
-                for(uint j=0; j<signatures[i].params.size(); j++) {
-                    bool exists = false;
-                    auto type = toType(node.params[j]);
-                    if (type.getType() == Value::UNDEFINED) {
-                        if(current().doesAttributeExists(type.asReference(), signatures[i].params[j])) {
-                            exists = true;
-                            type = Value::fromReference(type.asReference(), Value::ATTRIBUTE_REFERENCE);
-                        }
-                        if(signatures[i].params[j] == Value::ADDRESS_SPACE) {
-                            if(hasAddressSpace(type.asReference())) {
-                                exists = true;
-                                type = Value::fromReference(type.asReference(), Value::ADDRESS_SPACE);
-                            }
-                        }
-
-                        if(!exists) {
-                            errors.push_back(SourceError{node.functionName.span, "unknown reference " + type.asReference()});
-                        }
-                    }
-                    params.push_back(type);
-                }
-                return Condition(function, params, node.negated);
-            } else {
-                errors.push_back(SourceError{node.functionName.span, "wrong number of parametars"});
-            }
-        }
-    }
-
-    errors.push_back(SourceError{node.functionName.span, "unknown function name"});
-    return nullopt;
-}
-
-
-std::optional<Schema> ComdelGenerator::loadSchema(SchemaNode node, Library &library)
-{
-    Schema schema;
-
-    for(auto &instance: node.instances) {
-        if(library.hasComponent(instance.component.value)) {
-            schema.instances.push_back(loadComponentInstance(instance, library));
-        }
-        if(library.hasBus(instance.component.value)) {
-            schema.instances.push_back(loadBusInstance(instance, library));
-        }
-    }
-
-    for(auto &wire: node.wires) {
-        auto w = loadWireInstance(wire);
-        if(w) {
-            schema.wires.push_back(*w);
-        }
-    }
-
-    for(auto &conn: node.connections) {
-        auto component = dynamic_cast<ComponentInstance*>(schema.getInstance(conn.instance.value));
-        if(component == NULL) {
-            errors.push_back(SourceError{conn.instance.span, "unknown component"});
-            continue;
-        }
-        if(!component->component.hasPin(conn.pin.value)) {
-            errors.push_back(SourceError{conn.pin.span, "unknown pin"});
-            continue;
-        }
-        auto bus = dynamic_cast<BusInstance*>(schema.getInstance(conn.bus.value));
-        if(bus == NULL) {
-            errors.push_back(SourceError{conn.bus.span, "unknown bus"});
-            continue;
-        }
-        if(!library.hasConnection(component->component.getName(), conn.pin.value, bus->bus.getName())) {
-            errors.push_back(SourceError{conn.span, "unknown connection"});
-            continue;
-        }
-        auto connection = *library.getConnection(component->component.getName(), conn.pin.value, bus->bus.getName());
-
-        if(!conn.wire) {
-            errors.push_back(SourceError{conn.span, "missing @wire"});
-            continue;
-        }
-        if(!schema.hasWire(conn.wire->value)) {
-            errors.push_back(SourceError{conn.wire->span, "unknown wire"});
-            continue;
-        }
-
-        auto wire = schema.getWire(conn.wire->value);
-
-        std::vector<InstanceAttribute*> attributes;
-        for(auto& attr: conn.attributes) {
-            if(connection.hasAttribute(attr.name.value)) {
-                auto attribute = connection.getAttribute(attr.name.value);
-                auto value = toType(attr.value);
-
-                for(auto& en: attribute.getPopup()->getEnumeration()) {
-                    if(en.getValue().asReference() == value.asReference()) {
-                        value = Value::fromReference(value.asReference(), Value::WIRE_REFERENCE);
-                    }
-                }
-                if(value.isType(Value::UNDEFINED)) {
-                    errors.push_back(SourceError{attr.span, "invalid value"});
-                }
-
-                attributes.push_back(new InstanceAttribute(attribute.getName(), toType(attr.value), attribute));
-            } else {
-                errors.push_back(SourceError(attr.name.span, "unknown attribute"));
-            }
-        }
-
-        schema.connections.push_back(new BusConnectionInstance(component, attributes, bus, wire, connection));
-    }
-
-    return schema;
-}
-
-ComponentInstance *ComdelGenerator::loadComponentInstance(InstanceNode instance, Library &library) {
-
-    auto name = instance.name.value;
-    auto position = std::make_pair(instance.position->first.value, instance.position->second.value);
-
-    auto component = library.getComponent(instance.component.value);
-
-    // validate attributes
-    std::vector<InstanceAttribute*> attributes;
-    for(auto& attr: instance.attributes) {
-        if(component.hasAttribute(attr.name.value, toType(attr.value.getType()))) {
-            auto attribute = component.getAttribute(attr.name.value);
-            attributes.push_back(new InstanceAttribute(attribute.getName(), toType(attr.value), attribute));
-        } else {
-            errors.push_back(SourceError(attr.name.span, "unknown attribute"));
-        }
-    }
-
-    return new ComponentInstance(name, attributes, position, component);
-}
-BusInstance *ComdelGenerator::loadBusInstance(InstanceNode instance, Library &library) {
-
-    auto name = instance.name.value;
-    auto position = std::make_pair(instance.position->first.value, instance.position->second.value);
-
-    auto bus = library.getBus(instance.component.value);
-
-    long long size = 0;
-    if(instance.size) {
-        size = instance.size->value;
-    }
-
-    return new BusInstance(name, position, bus, size);
-}
-
-std::optional<WireInstance*> ComdelGenerator::loadWireInstance(WireInstanceNode node) {
-
-    if(!node.display) {
-        errors.push_back(SourceError{node.span, "missing @text"});
-        return nullopt;
-    }
-    auto display = loadDisplay(*node.display);
-    if(!display) {
-        return nullopt;
-    }
-    return std::optional<WireInstance*>(new WireInstance(node.name.value, *display));
-}
-
-
-} // namespace domain

comdel/domain/comdelgenerator.h

@@ -1,146 +0,0 @@
-#ifndef DOMAIN_COMDELGENERATOR_H
-#define DOMAIN_COMDELGENERATOR_H
-
-#include "library.h"
-#include "schema.h"
-
-#include <set>
-
-#include <comdel/parser/astnode.h>
-#include <comdel/parser/parsecontext.h>
-#include <comdel/parser/presult.h>
-
-namespace domain {
-
-struct ComdelContext {
-    std::vector<Attribute> attributes;
-    std::vector<std::string> wires;
-    std::string name;
-    bool inComponent;
-    bool inConnection;
-    bool inBus;
-
-    ComdelContext(std::string name, bool inComponent, bool inConnection, bool inBus)
-        : name(name), inComponent(inComponent), inConnection(inConnection), inBus(inBus)
-    {}
-
-    bool doesAttributeExists(std::string name, Value::ValueType type) {
-        for(auto &attribute: attributes) {
-            if(attribute.getDefault().getType() == type && attribute.getName() == name) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    bool doesWireExists(std::string name) {
-        for(auto &w: wires) {
-            if(w == name) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-};
-
-class ComdelGenerator
-{
-    std::vector<ComdelContext> context;
-
-    std::string name;
-    std::string libraryInfo;
-    std::string header;
-    std::string componentDirectory;
-    std::vector<AddressSpace> addressSpaces;
-    std::vector<Component> components;
-    std::vector<Bus> buses;
-    std::vector<Connection> connections;
-    std::map<std::string, std::string> messages;
-
-
-    std::vector<SourceError> errors;
-    std::vector<FunctionSignature> signatures;
-
-    std::optional<AddressSpace> loadAddressSpace(AddressSpaceNode node);
-    std::optional<Component> loadComponent(ComponentNode node);
-    std::optional<Attribute> loadAttribute(AttributeNode node);
-    std::optional<Rule> loadRule(RuleNode node);
-    std::optional<Condition> loadCondition(ConditionNode node);
-    std::optional<Popup> loadPopup(PopupNode node, std::string name, Value::ValueType type);
-    std::optional<Display> loadDisplay(DisplayNode node);
-    std::optional<Wire> loadWire(WireNode node);
-    std::optional<Pin> loadPin(PinNode pins);
-    PinConnection loadPinConnection(PinConnectionNode node);
-    std::optional<Connection> loadConnection(ConnectionNode node);
-    std::optional<Bus> loadBus(BusNode node);
-
-    ComponentInstance *loadComponentInstance(InstanceNode instance, Library &library);
-    BusInstance *loadBusInstance(InstanceNode instance, Library &library);
-    std::optional<WireInstance*> loadWireInstance(WireInstanceNode node);
-
-    std::optional<Bus> getBus(std::string name) {
-        for(auto &bus: buses) {
-            if(bus.getName() == name) {
-                return bus;
-            }
-        }
-        return std::nullopt;
-    }
-
-    std::optional<Pin> getComponentPin(std::string name, std::string pin) {
-        for(auto &c: components) {
-            if(c.getName() == name) {
-                for(auto &p: c.getPins()) {
-                    if(p.getName() == pin) {
-                        return p;
-                    }
-                }
-            }
-        }
-        return nullopt;
-    }
-
-    bool hasAddressSpace(std::string name) {
-        for(auto &as: addressSpaces) {
-            if(as.getName() == name) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    void push(ComdelContext context) {
-        this->context.push_back(context);
-    }
-    void pushAdditional(std::string name) {
-        if(this->context.size() > 0) {
-            this->context.push_back(current());
-            current().name = name;
-        } else {
-            ComdelContext con(name, false, false, false);
-            push(con);
-        }
-    }
-    ComdelContext &current() {
-        return this->context[this->context.size() - 1];
-    }
-    void pop() {
-        this->context.pop_back();
-    }
-
-public:
-    ComdelGenerator(std::vector<FunctionSignature> signatures);
-
-    std::vector<SourceError> getErrors() {
-        return errors;
-    }
-
-    std::optional<Library> loadLibrary(LibraryNode node);
-
-    std::optional<Schema> loadSchema(SchemaNode node, Library &library);
-};
-
-} // namespace domain
-
-#endif // DOMAIN_COMDELGENERATOR_H

comdel/domain/comdelvalidator.cpp

@@ -1,18 +0,0 @@
-#include "comdelvalidator.h"
-
-namespace domain {
-
-ComdelValidator::ComdelValidator(std::vector<FunctionSignature> signatures)
-    : signatures(signatures)
-{}
-
-std::vector<SourceError> ComdelValidator::getErrors() {
-    return errors;
-}
-
-void validateLibrary(Library library, ParseContext* parseContext, std::ostream& stream) {
-
-}
-
-
-} // namespace domain

comdel/domain/comdelvalidator.h

@@ -1,34 +0,0 @@
-#ifndef DOMAIN_COMDELVALIDATOR_H
-#define DOMAIN_COMDELVALIDATOR_H
-
-#include "functionsignature.h"
-#include "library.h"
-
-#include <vector>
-
-#include <comdel/parser/parsecontext.h>
-#include <comdel/parser/sourceerror.h>
-
-namespace domain {
-
-class ComdelValidator
-{
-private:
-    std::vector<SourceError> errors;
-    std::vector<FunctionSignature> signatures;
-
-public:
-
-    ComdelValidator(std::vector<FunctionSignature> signatures);
-
-    std::vector<SourceError> getErrors() {
-        return errors;
-    }
-
-    void validateLibrary(Library library, ParseContext* parseContext, std::ostream& stream);
-
-};
-
-} // namespace domain
-
-#endif // DOMAIN_COMDELVALIDATOR_H

comdel/domain/component.cpp

@@ -2,78 +2,97 @@
 
 namespace domain {
 
-Component::Component(string name, string tooltip, string source, ComponentType type,
-          vector<Rule> rules, string instanceName, pair<int, int> count, Display display,
-          vector<Pin> pins, vector<Attribute> attributes)
-    : name(name), tooltip(tooltip), source(source), type(type), rules(rules), instanceName(instanceName), count(count), display(display), pins(pins), attributes(attributes)
-{}
+    Component::Component(string name, string tooltip, string source, ComponentType type,
+                         vector<Rule> rules, string instanceName, pair<int, int> count, Display display,
+                         vector<Pin> pins, vector<Attribute> attributes)
+            : name(name), tooltip(tooltip), source(source), type(type), rules(rules), instanceName(instanceName),
+              count(count), display(display), pins(pins), attributes(attributes) {}
 
-std::string Component::getName() {
-    return name;
-}
-std::string Component::getTooltip() {
-    return tooltip;
-}
-std::string Component::getSource() {
-    return source;
-}
-Component::ComponentType Component::getType() {
-    return type;
-}
-std::vector<Rule> Component::getRules() {
-    return rules;
-}
-std::string Component::getInstanceName() {
-    return instanceName;
-}
-std::pair<int, int> Component::getCount() {
-    return count;
-}
-Display Component::getDisplay() {
-    return display;
-}
-
-std::vector<Pin> Component::getPins() {
-    return pins;
-}
-Pin Component::getPin(std::string pin) {
-    for(uint i=0; i<pins.size(); i++) {
-        if(pins[i].getName() == pin) {
-            return pins[i];
-        }
+    std::string Component::getName() {
+        return name;
     }
-    throw std::exception();
-}
 
-bool Component::hasPin(std::string name) {
-    for(auto pin: pins) {
-        if(pin.getName() == name) {
-            return true;
-        }
+    std::string Component::getTooltip() {
+        return tooltip;
     }
-    return false;
-}
 
-std::vector<Attribute> Component::getAttributes() {
-    return attributes;
-}
-Attribute Component::getAttribute(std::string attribute) {
-    for(uint i=0; i<attributes.size(); i++) {
-        if(attributes[i].getName() == attribute) {
-            return attributes[i];
-        }
+    std::string Component::getSource() {
+        return source;
     }
-    throw std::exception();
-}
-bool Component::hasAttribute(std::string name, Value::ValueType type) {
-    for(uint i=0; i<attributes.size(); i++) {
-        if(attributes[i].getName() == name &&  attributes[i].getDefault().getType() == type) {
-            return true;
-        }
-    }
-    return false;
-}
 
+    Component::ComponentType Component::getType() {
+        return type;
+    }
+
+    std::vector<Rule> Component::getRules() {
+        return rules;
+    }
+
+    std::string Component::getInstanceName() {
+        return instanceName;
+    }
+
+    std::pair<int, int> Component::getCount() {
+        return count;
+    }
+
+    Display Component::getDisplay() {
+        return display;
+    }
+
+    std::vector<Pin> Component::getPins() {
+        return pins;
+    }
+
+    Pin Component::getPin(std::string pin) {
+        for (auto & p: pins) {
+            if (p.getName() == pin) {
+                return p;
+            }
+        }
+        throw std::exception();
+    }
+
+    bool Component::hasPin(std::string name) {
+        for (auto pin: pins) {
+            if (pin.getName() == name) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    std::vector<Attribute>& Component::getAttributes() {
+        return attributes;
+    }
+
+    Attribute Component::getAttribute(std::string attribute) {
+        for (auto & attr : attributes) {
+            if (attr.getName() == attribute) {
+                return attr;
+            }
+        }
+        throw std::exception();
+    }
+
+    bool Component::hasAttribute(std::string name, Value::ValueType type) {
+        for (auto & attribute : attributes) {
+            if (attribute.getName() == name && attribute.getDefault().getType() == type) {
+                return true;
+            }
+            if (attribute.getName() == name && (type == Value::NIL &&
+                                                    (attribute.getDefault().getType() == Value::MEMORY_REFERENCE ||
+                                                     attribute.getDefault().getType() == Value::WIRE_REFERENCE))) {
+                return true;
+            }
+            if (attribute.getName() == name && (type == Value::UNDEFINED &&
+                                                    (attribute.getDefault().getType() == Value::MEMORY_REFERENCE ||
+                                                     attribute.getDefault().getType() == Value::WIRE_REFERENCE))) {
+                return true;
+            }
+        }
+        return false;
+    }
 
 
 } // namespace domain

comdel/domain/component.h

@@ -11,56 +11,65 @@
 
 namespace domain {
 
-using namespace std;
+    using namespace std;
+
+    class Component {
+    public:
+        enum ComponentType {
+            OTHER,
+            PROCESSOR,
+            MEMORY
+        };
+
+    private:
+        std::string name;
+        std::string tooltip;
+        std::string source;
+        ComponentType type;
+        std::vector<Rule> rules;
+        std::string instanceName;
+        std::pair<int, int> count;
+        Display display;
+
+        std::vector<Pin> pins;
+        std::vector<Attribute> attributes;
+
+    public:
+
+        Component(string name, string tooltip, string source, ComponentType type,
+                  vector<Rule> rules, string instanceName, pair<int, int> count, Display display,
+                  vector<Pin> pins, vector<Attribute> attributes);
+
+        std::string getName();
+
+        std::string getTooltip();
+
+        std::string getSource();
+
+        ComponentType getType();
+
+        std::vector<Rule> getRules();
+
+        std::string getInstanceName();
+
+        std::pair<int, int> getCount();
+
+        Display getDisplay();
+
+        std::vector<Pin> getPins();
+
+        Pin getPin(std::string pin);
+
+        std::vector<Attribute>& getAttributes();
+
+        Attribute getAttribute(std::string attribute);
+
+        bool hasAttribute(std::string name, Value::ValueType type);
+
+        bool hasPin(std::string name);
 
-class Component
-{
-public:
-    enum ComponentType {
-        OTHER,
-        PROCESSOR,
-        MEMORY
     };
 
-private:
-    std::string name;
-    std::string tooltip;
-    std::string source;
-    ComponentType type;
-    std::vector<Rule> rules;
-    std::string instanceName;
-    std::pair<int, int> count;
-    Display display;
-
-    std::vector<Pin> pins;
-    std::vector<Attribute> attributes;
-
-public:
-
-    Component(string name, string tooltip, string source, ComponentType type,
-              vector<Rule> rules, string instanceName, pair<int, int> count, Display display,
-              vector<Pin> pins, vector<Attribute> attributes);
-
-    std::string getName();
-    std::string getTooltip();
-    std::string getSource();
-    ComponentType getType();
-    std::vector<Rule> getRules();
-    std::string getInstanceName();
-    std::pair<int, int> getCount();
-    Display getDisplay();
-
-    std::vector<Pin> getPins();
-    Pin getPin(std::string pin);
-
-    std::vector<Attribute> getAttributes();
-    Attribute getAttribute(std::string attribute);
-    bool hasAttribute(std::string name, Value::ValueType type);
-
-    bool hasPin(std::string name);
-
-};
-
 } // namespace domain
 
 #endif // DOMAIN_COMPONENT_H

comdel/domain/connection.cpp

@@ -2,47 +2,78 @@
 
 namespace domain {
 
-Connection::Connection(std::string component, std::string pin, std::string bus, std::vector<Attribute> attributes, std::vector<Value> wires)
-    : component(component), pin(pin), bus(bus), attributes(attributes), wires(wires)
-{}
+    Connection::Connection(ConnectionComponent first, std::optional<ConnectionComponent> second,
+                           std::string bus, std::vector<Attribute> attributes,
+                           std::vector<Value> firstWires, std::optional<std::vector<Value>> secondWires)
+            : first(first), second(second), bus(bus), attributes(attributes), firstWires(firstWires),
+              secondWires(secondWires) {}
 
-bool Connection::isConnecting(std::string component, std::string pin, std::string bus) {
-    return this->component == component && this->pin == pin && this->bus == bus;
-}
-
-std::string Connection::getComponent() {
-    return component;
-}
-std::string Connection::getPin() {
-    return pin;
-}
-std::string Connection::getBus() {
-    return bus;
-}
-
-std::vector<Attribute> Connection::getAttributes() {
-    return attributes;
-}
-std::vector<Value> Connection::getWires() {
-    return wires;
-}
-
-Attribute Connection::getAttribute(std::string name) {
-    for(uint i=0; i<attributes.size(); i++) {
-        if(attributes[i].getName() == name) {
-            return attributes[i];
-        }
+    ConnectionComponent Connection::getComponent() {
+        return first;
     }
-    throw std::exception();
-}
 
-bool Connection::hasAttribute(std::string name) {
-    for(uint i=0; i<attributes.size(); i++) {
-        if(attributes[i].getName() == name) {
-            return true;
-        }
+    std::optional<ConnectionComponent> Connection::getSecondComponent() {
+        return second;
     }
-    return false;
-}
+
+    std::string &Connection::getBus() {
+        return bus;
+    }
+
+    std::vector<Attribute>& Connection::getAttributes() {
+        return attributes;
+    }
+
+    std::vector<Value> Connection::getWires() {
+        return firstWires;
+    }
+
+    std::optional<std::vector<Value>> Connection::getSecondWires() {
+        return secondWires;
+    }
+
+    Attribute Connection::getAttribute(std::string name) {
+        for (unsigned int i = 0; i < attributes.size(); i++) {
+            if (attributes[i].getName() == name) {
+                return attributes[i];
+            }
+        }
+        throw std::exception();
+    }
+
+    bool Connection::hasAttribute(std::string name) {
+        for (unsigned int i = 0; i < attributes.size(); i++) {
+            if (attributes[i].getName() == name) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    bool Connection::isConnecting(ConnectionComponent component) {
+        return first == component || (second.has_value() && *second == component);
+    }
+
+    bool Connection::isConnecting(ConnectionComponent component, std::string bus) {
+        return this->bus == bus && (first == component || (second.has_value() && *second == component));
+    }
+
+    bool Connection::isConnecting(ConnectionComponent component, std::string bus, ConnectionComponent secondComponent) {
+        if (!second.has_value()) {
+            return false;
+        }
+        return (this->first == component && this->bus == bus && this->second == secondComponent) ||
+               (this->first == secondComponent && this->bus == bus && this->second == component);
+    }
+
+
+    bool Connection::isConnecting(ConnectionComponent component, ConnectionComponent secondComponent) {
+        if (!second.has_value()) {
+            return false;
+        }
+        return (this->first == component && this->second == secondComponent) ||
+               (this->first == secondComponent && this->second == component);
+    }
+
 
 } // namespace domain

comdel/domain/connection.h

@@ -8,29 +8,71 @@
 
 namespace domain {
 
-class Connection
-{
-    std::string component;
-    std::string pin;
-    std::string bus;
+    struct ConnectionComponent {
+        std::string component;
+        std::string pin;
 
-    std::vector<Attribute> attributes;
-    std::vector<Value> wires;
-public:
-    Connection(std::string component, std::string pin, std::string bus, std::vector<Attribute> attributes, std::vector<Value> wires);
+        bool operator==(const ConnectionComponent &rhs) const {
+            return (component == rhs.component) && (pin == rhs.pin);
+        }
 
-    bool isConnecting(std::string component, std::string pin, std::string bus);
+        bool operator!=(const ConnectionComponent &rhs) const {
+            return !operator==(rhs);
+        }
 
-    std::string getComponent();
-    std::string getPin();
-    std::string getBus();
+        bool operator<(const ConnectionComponent &rhs) const {
+            if (component < rhs.component) {
+                return true;
+            } else if (component == rhs.component) {
+                if (pin < rhs.pin) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    };
 
-    std::vector<Attribute> getAttributes();
-    std::vector<Value> getWires();
+    class Connection {
+        ConnectionComponent first;
+        std::optional<ConnectionComponent> second;
+        std::string bus;
+        std::vector<Attribute> attributes;
 
-    Attribute getAttribute(std::string name);
-    bool hasAttribute(std::string name);
-};
+        std::vector<Value> firstWires;
+        std::optional<std::vector<Value>> secondWires;
+    public:
+        Connection(ConnectionComponent first, std::optional<ConnectionComponent> second,
+                   std::string bus, std::vector<Attribute> attributes,
+                   std::vector<Value> firstWires, std::optional<std::vector<Value>> secondWires);
+
+        bool isConnecting(ConnectionComponent first);
+
+        bool isConnecting(ConnectionComponent first, std::string bus);
+
+        bool isConnecting(ConnectionComponent first, std::string bus, ConnectionComponent second);
+
+        bool isConnecting(ConnectionComponent first, ConnectionComponent second);
+
+        bool operator==(const Connection& connection) {
+            return (first == connection.first && bus == connection.bus && second == connection.second);
+        }
+
+        ConnectionComponent getComponent();
+
+        std::optional<ConnectionComponent> getSecondComponent();
+
+        std::string &getBus();
+
+        std::vector<Attribute>& getAttributes();
+
+        std::vector<Value> getWires();
+
+        std::optional<std::vector<Value>> getSecondWires();
+
+        Attribute getAttribute(std::string name);
+
+        bool hasAttribute(std::string name);
+    };
 
 } // namespace domain
 

comdel/domain/connection_instance.cpp

@@ -0,0 +1,29 @@
+#include "connection_instance.h"
+
+namespace domain {
+
+
+    ConnectionInstance::ConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute> attributes,
+                                           Connection connection)
+            : instance(instance), attributes(attributes), connection(connection) {}
+
+    InstanceAttribute ConnectionInstance::getAttribute(string attribute) {
+        for (auto &attr: attributes) {
+            if (attr.name == attribute) {
+                return attr;
+            }
+        }
+        throw std::exception();
+    }
+
+
+    BusConnectionInstance::BusConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute> attributes,
+                                                 BusInstance *bus, Connection connection)
+            : ConnectionInstance(instance, attributes, connection), bus(bus) {}
+
+    DirectConnectionInstance::DirectConnectionInstance(ComponentInstance *instance, ComponentInstance *secondInstance,
+                                                       std::vector<InstanceAttribute> attributes, BusInstance *bus,
+                                                       Connection connection)
+            : ConnectionInstance(instance, attributes, connection), secondInstance(secondInstance), bus(bus) {}
+
+} // namespace domain

comdel/domain/connection_instance.h

@@ -0,0 +1,49 @@
+#ifndef DOMAIN_CONNECTION_INSTANCE_H
+#define DOMAIN_CONNECTION_INSTANCE_H
+
+#include "connection.h"
+#include "instance.h"
+
+namespace domain {
+
+    class ConnectionInstance {
+    public:
+        ComponentInstance *instance;
+        Connection connection;
+
+        virtual ~ConnectionInstance() = default;
+
+        std::vector<InstanceAttribute> attributes;
+
+        std::pair<int, int> start;
+        std::pair<int, int> end;
+
+        ConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute> attributes,
+                           Connection connection);
+
+        InstanceAttribute getAttribute(string attribute);
+    };
+
+
+    class BusConnectionInstance : public ConnectionInstance {
+    public:
+        BusInstance *bus;
+
+        BusConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute> attributes, BusInstance *bus,
+                              Connection connection);
+    };
+
+
+    class DirectConnectionInstance : public ConnectionInstance {
+    public:
+        BusInstance *bus;
+        ComponentInstance *secondInstance;
+
+        DirectConnectionInstance(ComponentInstance *instance, ComponentInstance *secondsInstance,
+                                 std::vector<InstanceAttribute> attributes, BusInstance *bus, Connection connection);
+    };
+
+
+} // namespace domain
+
+#endif // DOMAIN_CONNECTIONINSTANCE_H

comdel/domain/connectioninstance.cpp

@@ -1,18 +0,0 @@
-#include "connectioninstance.h"
-
-namespace domain {
-
-
-ConnectionInstance::ConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute*> attributes, WireInstance *wire, Connection connection)
-    : instance(instance), attributes(attributes), connection(connection), wire(wire)
-{}
-
-BusConnectionInstance::BusConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute*> attributes, BusInstance *bus, WireInstance *wire, Connection connection)
-    : ConnectionInstance(instance, attributes, wire, connection), bus(bus)
-{}
-
-DirectConnectionInstance::DirectConnectionInstance(ComponentInstance *instance, ComponentInstance *secondsInstance, std::vector<InstanceAttribute*> attributes, BusInstance *bus, WireInstance *wire, Connection connection)
-    : ConnectionInstance(instance, attributes, wire, connection), secondInstance(secondInstance), bus(bus)
-{}
-
-} // namespace domain

comdel/domain/connectioninstance.h

@@ -1,46 +0,0 @@
-#ifndef DOMAIN_CONNECTIONINSTANCE_H
-#define DOMAIN_CONNECTIONINSTANCE_H
-
-#include "connection.h"
-#include "instance.h"
-#include "wireinstance.h"
-
-
-
-namespace domain {
-
-class ConnectionInstance
-{
-public:
-    ComponentInstance *instance;
-    Connection connection;
-    WireInstance *wire;
-
-    std::vector<InstanceAttribute*> attributes;
-
-    ConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute*> attributes, WireInstance *wire, Connection connection);
-};
-
-
-class BusConnectionInstance: public ConnectionInstance
-{
-public:
-    BusInstance *bus;
-
-    BusConnectionInstance(ComponentInstance *instance, std::vector<InstanceAttribute*> attributes, BusInstance *bus, WireInstance *wire, Connection connection);
-};
-
-
-class DirectConnectionInstance: public ConnectionInstance
-{
-public:
-    BusInstance *bus;
-    ComponentInstance *secondInstance;
-
-    DirectConnectionInstance(ComponentInstance *instance, ComponentInstance *secondsInstance, std::vector<InstanceAttribute*> attributes, BusInstance *bus, WireInstance *wire, Connection connection);
-};
-
-
-} // namespace domain
-
-#endif // DOMAIN_CONNECTIONINSTANCE_H

comdel/domain/display.cpp

@@ -1,10 +1,184 @@
 #include "display.h"
 
+#include <QBrush>
+#include <QPen>
+
 namespace domain {
 
-Display::Display()
-{
+    QBrush busBrush(QColor::fromRgb(200, 200, 200));
+    QPen busPen(QColor::fromRgb(200, 200, 200));
 
-}
+    Display::Display(std::vector<ui::Item> items) : items(items) {}
 
+    void Display::render(QGraphicsItemGroup *group) {
+        for (auto &item: items) {
+            item.render(group);
+        }
+    }
+
+    void Display::comdel(std::ostream &buffer, int x, int y, int size) {
+        for (auto &item: items) {
+            item.comdel(buffer, x, y, size);
+        }
+    }
+
+    void ui::Rect::render(QGraphicsItemGroup *group) {
+        group->addToGroup(new QGraphicsRectItem(x, y, w, h));
+    }
+
+    void ui::Rect::comdel(std::ostream &buffer, int x, int y) {
+        buffer << "\t\trectangle {\n";
+        buffer << "\t\t\tx: " << (this->x + x) << "; y: " << (this->y + y) << ";\n";
+        buffer << "\t\t\tw: " << w << "; h: " << h << ";\n";
+        buffer << "\t\t}\n\n";
+    }
+
+    void ui::Line::render(QGraphicsItemGroup *group) {
+        group->addToGroup(new QGraphicsLineItem(x1, y1, x2, y2));
+    }
+
+    void ui::Line::comdel(std::ostream &buffer, int x, int y) {
+        buffer << "\t\tline {\n";
+        buffer << "\t\t\tx1: " << (x1 + x) << "; y1: " << (y1 + y) << ";\n";
+        buffer << "\t\t\tx2: " << (x2 + x) << "; y2: " << (y2 + y) << ";\n";
+        buffer << "\t\t}\n\n";
+    }
+
+    void ui::Bus::render(QGraphicsItemGroup *group, int size) {
+        int _w = w, _h = h;
+        if (orientation == HORIZONTAL) {
+            _w = size;
+        } else {
+            _h = size;
+        }
+        auto rect = new QGraphicsRectItem(x, y, _w, _h);
+        rect->setBrush(busBrush);
+        rect->setPen(busPen);
+        group->addToGroup(rect);
+    }
+
+    int ui::Bus::getDefaultSize() {
+        if (orientation == HORIZONTAL) {
+            return w;
+        } else {
+            return h;
+        }
+    }
+
+    void ui::Bus::comdel(std::ostream &buffer, int x, int y, int size) {
+        buffer << "\t\trectangle {\n";
+        buffer << "\t\t\tx: " << (this->x + x) << "; y: " << (this->y + y) << ";\n";
+        if (orientation == HORIZONTAL) {
+            buffer << "\t\t\tw: " << size << "; h: " << h << ";\n";
+        } else {
+            buffer << "\t\t\tw: " << w << "; h: " << size << ";\n";
+        }
+        buffer << "\t\t}\n\n";
+    }
+
+    void ui::Pin::renderIn(QGraphicsItemGroup *group) {
+        QPolygon polygon;
+
+        switch (orientation) {
+            case PinOrientation::TOP:
+                polygon << QPoint(x, y) << QPoint(x, y + h) << QPoint(x + w, y + h) << QPoint(x + w, y)
+                        << QPoint(x + w / 2, y + h / 2);
+                break;
+            case PinOrientation::BOTTOM:
+                polygon << QPoint(x, y) << QPoint(x, y + h) << QPoint(x + w / 2, y + h / 2)
+                        << QPoint(x + w, y + h) << QPoint(x + w, y);
+                break;
+            case PinOrientation::LEFT:
+                polygon << QPoint(x, y) << QPoint(x + w / 2, y + h / 2) << QPoint(x, y + h)
+                        << QPoint(x + w, y + h) << QPoint(x + w, y);
+                break;
+            case PinOrientation::RIGHT:
+                polygon << QPoint(x, y) << QPoint(x, y + h) << QPoint(x + w, y + h)
+                        << QPoint(x + w / 2, y + h / 2) << QPoint(x + w, y);
+                break;
+        }
+        group->addToGroup(new QGraphicsPolygonItem(polygon));
+    }
+
+    void ui::Pin::renderOut(QGraphicsItemGroup *group) {
+        QPolygon polygon;
+
+        switch (orientation) {
+            case PinOrientation::TOP:
+                polygon << QPoint(x, y + h / 2) << QPoint(x, y + h) << QPoint(x + w, y + h)
+                        << QPoint(x + w, y + h / 2) << QPoint(x + w / 2, y);
+                break;
+            case PinOrientation::BOTTOM:
+                polygon << QPoint(x, y) << QPoint(x, y + h / 2) << QPoint(x + w / 2, y + h)
+                        << QPoint(x + w, y + h / 2) << QPoint(x + w, y);
+                break;
+            case PinOrientation::LEFT:
+                polygon << QPoint(x + w, y) << QPoint(x + w / 2, y) << QPoint(x, y + h / 2)
+                        << QPoint(x + w / 2, y + h) << QPoint(x + w, y + w);
+                break;
+            case PinOrientation::RIGHT:
+                polygon << QPoint(x, y) << QPoint(x, y + h) << QPoint(x + w / 2, y + h)
+                        << QPoint(x + w, y + h / 2) << QPoint(x + w / 2, y);
+                break;
+        }
+        group->addToGroup(new QGraphicsPolygonItem(polygon));
+    }
+
+    void ui::Pin::renderInOut(QGraphicsItemGroup *group) {
+        group->addToGroup(new QGraphicsRectItem(x, y, w, h));
+    }
+
+    void ui::Pin::render(QGraphicsItemGroup *group) {
+        switch (pinType) {
+            case PinType::IN:
+                renderIn(group);
+                break;
+            case PinType::OUT:
+                renderOut(group);
+                break;
+            case PinType::IN_OUT:
+                renderInOut(group);
+                break;
+        }
+    }
+
+    int ui::Pin::getConnectionX() {
+        switch (orientation) {
+            case ui::PinOrientation::TOP:
+            case ui::PinOrientation::BOTTOM:
+                return x + w / 2;
+            case ui::PinOrientation::LEFT:
+                return x;
+            case ui::PinOrientation::RIGHT:
+                return x + w;
+        }
+        return 0;
+    }
+
+    int ui::Pin::getConnectionY() {
+        switch (orientation) {
+            case ui::PinOrientation::LEFT:
+            case ui::PinOrientation::RIGHT:
+                return y + h / 2;
+            case ui::PinOrientation::TOP:
+                return y;
+            case ui::PinOrientation::BOTTOM:
+                return y + h;
+        }
+        return 0;
+    }
+
+    void ui::Item::render(QGraphicsItemGroup *group, int size) {
+        if (rect) rect->render(group);
+        if (line) line->render(group);
+        if (pin) pin->render(group);
+        if (bus) bus->render(group, size);
+    }
+
+    void ui::Item::comdel(std::ostream &buffer, int x, int y, int size) {
+        if (rect) rect->comdel(buffer, x, y);
+        if (line) line->comdel(buffer, x, y);
+        // pins aren't exported
+        if (bus) bus->comdel(buffer, x, y, size);
+    }
 } // namespace domain

comdel/domain/display.h

@@ -1,14 +1,116 @@
 #ifndef DOMAIN_DISPLAY_H
 #define DOMAIN_DISPLAY_H
 
+#include <QGraphicsItem>
+#include <optional>
+
+#include <ostream>
 
 namespace domain {
 
-class Display
-{
-public:
-    Display();
-};
+    namespace ui {
+
+        class Rect {
+        public:
+            int x, y, w, h;
+
+            Rect(int x, int y, int w, int h) : x(x), y(y), w(w), h(h) {}
+
+            void render(QGraphicsItemGroup *group);
+
+            void comdel(std::ostream &buffer, int x, int y);
+
+        };
+
+        class Line {
+        public:
+            int x1, y1, x2, y2;
+
+            Line(int x1, int y1, int x2, int y2) : x1(x1), y1(y1), x2(x2), y2(y2) {}
+
+            void render(QGraphicsItemGroup *group);
+
+            void comdel(std::ostream &buffer, int x, int y);
+        };
+
+        enum PinType {
+            IN, OUT, IN_OUT
+        };
+        enum PinOrientation {
+            LEFT, RIGHT, TOP, BOTTOM
+        };
+        enum BusOrientation {
+            VERTICAL, HORIZONTAL
+        };
+
+        class Bus {
+        public:
+            int x, y, w, h;
+            BusOrientation orientation;
+
+            Bus(int x, int y, int w, int h, BusOrientation orientation) : x(x), y(y), w(w), h(h),
+                                                                          orientation(orientation) {}
+
+            void render(QGraphicsItemGroup *group, int size);
+
+            int getDefaultSize();
+
+            void comdel(std::ostream &buffer, int x, int y, int size);
+
+        };
+
+        class Pin {
+        public:
+            PinOrientation orientation;
+            PinType pinType;
+            int x, y, w, h;
+
+            Pin(int x, int y, int w, int h, PinOrientation orientation, PinType pinType) : x(x), y(y), w(w), h(h),
+                                                                                           orientation(orientation),
+                                                                                           pinType(pinType) {}
+
+        public:
+            void render(QGraphicsItemGroup *group);
+
+            int getConnectionX();
+            int getConnectionY();
+
+        private:
+            void renderIn(QGraphicsItemGroup *group);
+            void renderOut(QGraphicsItemGroup *group);
+            void renderInOut(QGraphicsItemGroup *group);
+        };
+
+
+        class Item {
+        public:
+            Item() : rect(std::nullopt), line(std::nullopt), pin(std::nullopt), bus(std::nullopt) {}
+
+            std::optional<Rect> rect = std::nullopt;
+            std::optional<Line> line = std::nullopt;
+            std::optional<Pin> pin = std::nullopt;
+            std::optional<Bus> bus = std::nullopt;
+
+            void render(QGraphicsItemGroup *group, int size = 0);
+            void comdel(std::ostream &buffer, int x, int y, int size = 0);
+        };
+
+    }
+
+    class Display {
+    public:
+
+        Display(std::vector<ui::Item> items);
+
+        void render(QGraphicsItemGroup *group);
+
+        void comdel(std::ostream &buffer, int x, int y, int size = 0);
+
+        std::vector<ui::Item> &getItems() { return items; }
+
+    private:
+        std::vector<ui::Item> items;
+    };
 
 } // namespace domain
 

comdel/domain/function_signature.cpp

@@ -0,0 +1,166 @@
+#include <map>
+#include <utility>
+#include "function_signature.h"
+
+namespace domain {
+
+    class DivisibleValidator : public FunctionValidator {
+    public:
+        DivisibleValidator() : FunctionValidator("divisible", {Value::INT, Value::INT}) {}
+
+        bool validate(std::vector<Value> values) override {
+            if (validateSignature(values)) {
+                long long first = values[0].asInt();
+                long long second = values[1].asInt();
+                return (first % second) == 0;
+            }
+            return false;
+        }
+
+        void clear() override {}
+    };
+
+    class LessThenValidator : public FunctionValidator {
+    public:
+        LessThenValidator() : FunctionValidator("less_then", {Value::INT, Value::INT}) {}
+
+        bool validate(std::vector<Value> values) override {
+            if (validateSignature(values)) {
+                long long first = values[0].asInt();
+                long long second = values[1].asInt();
+                return first < second;
+            }
+            return false;
+        }
+
+        void clear() override {}
+    };
+
+    class GreaterThenValidator : public FunctionValidator {
+    public:
+        GreaterThenValidator() : FunctionValidator("greater_then", {Value::INT, Value::INT}) {}
+
+        bool validate(std::vector<Value> values) override {
+            if (validateSignature(values)) {
+                long long first = values[0].asInt();
+                long long second = values[1].asInt();
+                return first > second;
+            }
+            return false;
+        }
+
+        void clear() override {}
+    };
+
+
+    class ContainsAddressValidator : public FunctionValidator {
+    public:
+        ContainsAddressValidator() : FunctionValidator("contains_address", {Value::ADDRESS_SPACE, Value::INT}) {}
+
+        bool validate(std::vector<Value> values) override {
+            if (validateSignature(values)) {
+                AddressSpace space = values[0].asAddressSpace();
+                long long address = values[1].asInt();
+                return space.contains(address);
+            }
+            return false;
+        }
+
+        void clear() override {}
+    };
+
+
+    class ContainsValidator : public FunctionValidator {
+    public:
+        ContainsValidator() : FunctionValidator("contains", {Value::ADDRESS_SPACE, Value::INT, Value::INT}) {}
+
+        bool validate(std::vector<Value> values) override {
+            if (validateSignature(values)) {
+                AddressSpace space = values[0].asAddressSpace();
+                long long start = values[1].asInt();
+                long long size = values[1].asInt();
+                return space.contains(start, start + size);
+            }
+            return false;
+        }
+
+        void clear() override {}
+    };
+
+
+    class UniqueValidator : public FunctionValidator {
+
+    private:
+        std::map<std::string, std::vector<std::pair<long long int, long long int>>> spaces;
+
+        bool overlaps(long long int start1, long long int end1, long long int start2, long long int end2) {
+            return std::max((long long int) 0, std::min(end1, end2) - std::max(start1, start2)) > 0;
+        }
+
+    public:
+        UniqueValidator() : FunctionValidator("unique", {Value::ADDRESS_SPACE, Value::INT, Value::INT}) {}
+
+        bool validate(std::vector<Value> values) override {
+            if (validateSignature(values)) {
+                std::string space = values[0].asAddressSpace().getName();
+                long long int start = values[1].asInt();
+                long long int end = start + values[2].asInt();
+                if (spaces.count(space) == 0) {
+                    spaces.insert(std::make_pair(space, std::vector<std::pair<long long int, long long int>>{}));
+                }
+                for (auto &s: spaces[space]) {
+                    if (overlaps(s.first, s.second, start, end)) {
+                        return false;
+                    }
+                }
+                spaces[space].push_back(std::make_pair(start, end));
+                return true;
+            }
+            return false;
+        }
+
+        void clear() override {
+            spaces.clear();
+        }
+    };
+
+
+    std::vector<FunctionValidator *> getSupportedValidators() {
+        std::vector<FunctionValidator *> validators;
+
+        validators.push_back(new DivisibleValidator());
+        validators.push_back(new LessThenValidator());
+        validators.push_back(new GreaterThenValidator());
+        validators.push_back(new ContainsAddressValidator());
+        validators.push_back(new ContainsValidator());
+        validators.push_back(new UniqueValidator());
+
+        return validators;
+    }
+
+
+    FunctionValidator::FunctionValidator(std::string name, std::vector<Value::ValueType> signature)
+        : name(std::move(name)), signature(std::move(signature)) {}
+
+    std::string FunctionValidator::getName() {
+        return name;
+    }
+
+    std::vector<Value::ValueType> FunctionValidator::getSignature() {
+        return signature;
+    }
+
+    bool FunctionValidator::validateSignature(std::vector<Value> _signature) {
+        if (this->signature.size() != _signature.size()) {
+            return false;
+        }
+
+        for (int i = 0; i < this->signature.size(); i++) {
+            if (this->signature[i] != _signature[i].getType()) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+} // namespace domain

comdel/domain/function_signature.h

@@ -0,0 +1,36 @@
+#ifndef DOMAIN_FUNCTION_VALIDATOR_H
+#define DOMAIN_FUNCTION_VALIDATOR_H
+
+#include<functional>
+#include<vector>
+
+#include "value.h"
+
+namespace domain {
+
+    class FunctionValidator {
+    private:
+        std::string name;
+        std::vector<Value::ValueType> signature;
+
+    protected:
+        FunctionValidator(std::string name, std::vector<Value::ValueType> signature);
+
+    public:
+
+        std::string getName();
+
+        std::vector<Value::ValueType> getSignature();
+
+        bool validateSignature(std::vector<Value> signature);
+
+        virtual bool validate(std::vector<Value> values) = 0;
+
+        virtual void clear() = 0;
+    };
+
+    std::vector<FunctionValidator *> getSupportedValidators();
+
+} // namespace domain
+
+#endif // DOMAIN_FUNCTION_VALIDATOR_H

comdel/domain/functionsignature.cpp

@@ -1,5 +0,0 @@
-#include "functionsignature.h"
-
-namespace domain {
-
-} // namespace domain

comdel/domain/functionsignature.h

@@ -1,20 +0,0 @@
-#ifndef DOMAIN_FUNCTIONSIGNATURE_H
-#define DOMAIN_FUNCTIONSIGNATURE_H
-
-#include<functional>
-#include "value.h"
-
-namespace domain {
-
-typedef std::function<bool (std::vector<Value>)> FunctionCallback;
-
-struct FunctionSignature {
-    std::string name;
-    std::vector<Value::ValueType> params;
-
-    FunctionSignature(std::string name, std::vector<Value::ValueType> params): name(name), params(params) {}
-};
-
-} // namespace domain
-
-#endif // DOMAIN_FUNCTIONSIGNATURE_H

comdel/domain/instance.cpp

@@ -2,16 +2,18 @@
 
 namespace domain {
 
+    BusInstance::BusInstance(std::string name, std::pair<int, int> position, Bus bus, int size)
+            : name(name), position(position), bus(bus), size(size) {
+        if (size < 0 && bus.getDisplayBus().has_value()) {
+            this->size = bus.getDisplayBus()->getDefaultSize();
+        }
+    }
 
-Instance::Instance(std::string name, std::vector<InstanceAttribute*> attributes, std::pair<int, int> position)
-    : name(name), attributes(attributes), position(position)
-{}
-BusInstance::BusInstance(std::string name, std::pair<int, int> position, Bus bus, int size)
-    : Instance(name, vector<InstanceAttribute*>(), position), bus(bus), size(size)
-{}
-ComponentInstance::ComponentInstance(std::string name, std::vector<InstanceAttribute*> attributes, std::pair<int, int> position, Component component)
-    : Instance(name, attributes, position), component(component)
-{}
+    BusInstance::BusInstance(std::string name, Bus bus) : name(name), bus(bus), position(0, 0), size(0) {}
+
+    ComponentInstance::ComponentInstance(std::string name, std::vector<InstanceAttribute> attributes,
+                                         std::pair<int, int> position, Component component)
+            : name(name), attributes(std::move(attributes)), position(position), component(component) {}
 
 
 } // namespace domain

comdel/domain/instance.h

@@ -3,51 +3,41 @@
 
 #include "bus.h"
 #include "component.h"
-#include "instanceattribute.h"
+#include "instance_attribute.h"
 
 #include <string>
 #include <vector>
 
 
-
 namespace domain {
 
-class Instance
-{
-public:
-    std::string name;
-    std::vector<InstanceAttribute*> attributes;
-    std::pair<int, int> position;
+    class BusInstance {
+    public:
+        std::string name;
+        std::pair<int, int> position;
 
-    virtual ~Instance() {};
+        Bus bus;
+        int size;
 
-    Instance(std::string name, std::vector<InstanceAttribute*> attributes, std::pair<int, int> position);
-};
+        BusInstance(std::string name, Bus bus);
 
-class BusInstance: public Instance
-{
-public:
-    Bus bus;
-    int size;
+        BusInstance(std::string name, std::pair<int, int> position, Bus bus, int size = -1);
 
-    BusInstance(std::string name, std::pair<int, int> position, Bus bus, int size);
+        virtual ~BusInstance() = default;
+    };
 
-    virtual ~BusInstance() {
-           Instance::~Instance();
-    }
-};
+    class ComponentInstance {
+    public:
+        std::string name;
+        std::vector<InstanceAttribute> attributes;
+        std::pair<int, int> position;
 
-class ComponentInstance: public Instance
-{
-public:
-    Component component;
+        Component component;
 
-    ComponentInstance(std::string name, std::vector<InstanceAttribute*> attributes, std::pair<int, int> position, Component component);
+        ComponentInstance(std::string name, std::vector<InstanceAttribute> attributes, std::pair<int, int> position, Component component);
 
-    virtual ~ComponentInstance() {
-        Instance::~Instance();
-    }
-};
+        virtual ~ComponentInstance() = default;
+    };
 
 } // namespace domain
 

comdel/domain/instance_attribute.cpp

@@ -0,0 +1,8 @@
+#include "instance_attribute.h"
+
+namespace domain {
+
+    InstanceAttribute::InstanceAttribute(std::string name, Value value, Attribute attribute)
+            : name(name), value(value), attribute(attribute) {}
+
+} // namespace domain

comdel/domain/instance_attribute.h

@@ -0,0 +1,25 @@
+#ifndef DOMAIN_INSTANCE_ATTRIBUTE_H
+#define DOMAIN_INSTANCE_ATTRIBUTE_H
+
+#include "attribute.h"
+#include "value.h"
+
+#include <string>
+
+
+namespace domain {
+
+    class InstanceAttribute {
+    public:
+        InstanceAttribute(std::string name, Value value, Attribute attribute);
+
+        std::string name;
+        Value value;
+        Attribute attribute;
+
+        ~InstanceAttribute() = default;
+    };
+
+} // namespace domain
+
+#endif // DOMAIN_INSTANCE_ATTRIBUTE_H

comdel/domain/instanceattribute.cpp

@@ -1,9 +0,0 @@
-#include "instanceattribute.h"
-
-namespace domain {
-
-InstanceAttribute::InstanceAttribute(std::string name, Value value, Attribute attribute)
-    : name(name), value(value), attribute(attribute)
-{}
-
-} // namespace domain

comdel/domain/instanceattribute.h

@@ -1,26 +0,0 @@
-#ifndef DOMAIN_INSTANCEATTRIBUTE_H
-#define DOMAIN_INSTANCEATTRIBUTE_H
-
-#include "attribute.h"
-#include "value.h"
-
-#include <string>
-
-
-
-namespace domain {
-
-class InstanceAttribute
-{
-public:
-    InstanceAttribute(std::string name, Value value, Attribute attribute);
-
-    std::string name;
-    Value value;
-    Attribute attribute;
-
-};
-
-} // namespace domain
-
-#endif // DOMAIN_INSTANCEATTRIBUTE_H

comdel/domain/library.cpp

@@ -2,99 +2,144 @@
 
 namespace domain {
 
-Library::Library(string name, string libraryInfo, string header, string componentDirectory,
-        vector<AddressSpace> addressSpaces, vector<Component> components, vector<Bus> buses, vector<Connection> connections, map<string, string> messages)
-    : name(name), libraryInfo(libraryInfo), header(header), componentDirectory(componentDirectory), addressSpaces(addressSpaces),
-      components(components), buses(buses), connections(connections), messages(messages)
-{}
+    Library::Library(string name, string libraryInfo, string header, string componentDirectory,
+                     std::optional<std::string> componentHeader,
+                     vector<AddressSpace> addressSpaces, vector<Component> components, vector<Bus> buses,
+                     vector<Connection> connections, map<string, string> messages)
+            : name(name), libraryInfo(libraryInfo), header(header), componentDirectory(componentDirectory),
+              componentHeader(componentHeader), addressSpaces(addressSpaces),
+              components(components), buses(buses), connections(connections), messages(messages) {}
 
-std::string Library::getName() {
-    return name;
-}
-std::string Library::getLibraryInfo() {
-    return libraryInfo;
-}
-std::string Library::getHeader() {
-    return header;
-}
-std::string Library::getComponentDirectory() {
-    return componentDirectory;
-}
-
-std::vector<AddressSpace> Library::getAddressSpaces() {
-    return addressSpaces;
-}
-std::vector<Component> Library::getComponents() {
-    return components;
-}
-std::vector<Bus> Library::getBuses() {
-    return buses;
-}
-std::vector<Connection> Library::getConnections() {
-    return connections;
-}
-
-std::map<std::string, std::string> Library::getMessages() {
-    return messages;
-}
-
-bool Library::hasComponent(std::string name) {
-    for(uint i=0; i<components.size(); i++) {
-        if(components[i].getName() == name) {
-            return true;
-        }
+    std::string Library::getName() {
+        return name;
     }
-    return false;
-}
-bool Library::hasBus(std::string name) {
-    for(uint i=0; i<buses.size(); i++) {
-        if(buses[i].getName() == name) {
-            return true;
-        }
+
+    std::string Library::getLibraryInfo() {
+        return libraryInfo;
+    }
+
+    std::string Library::getHeader() {
+        return header;
+    }
+
+    std::string Library::getComponentDirectory() {
+        return componentDirectory;
+    }
+
+    std::optional<std::string> Library::getComponentHeader() {
+        return componentHeader;
+    }
+
+    std::vector<AddressSpace> Library::getAddressSpaces() {
+        return addressSpaces;
+    }
+
+    std::vector<Component> Library::getComponents() {
+        return components;
+    }
+
+    std::vector<Bus> Library::getBuses() {
+        return buses;
+    }
+
+    std::vector<Connection> Library::getConnections() {
+        return connections;
+    }
+
+    std::map<std::string, std::string> Library::getMessages() {
+        return messages;
+    }
+
+    bool Library::hasComponent(std::string name) {
+        for (uint i = 0; i < components.size(); i++) {
+            if (components[i].getName() == name) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    bool Library::hasBus(std::string name) {
+        for (uint i = 0; i < buses.size(); i++) {
+            if (buses[i].getName() == name) {
+                return true;
+            }
+        }
+        return false;
     }
-    return false;
-}
 
 
-AddressSpace &Library::getAddressSpace(std::string addressSpace) {
-    for(uint i=0; i<addressSpaces.size(); i++) {
-        if(addressSpaces[i].getName() == addressSpace) {
-            return addressSpaces[i];
+    AddressSpace &Library::getAddressSpace(std::string addressSpace) {
+        for (uint i = 0; i < addressSpaces.size(); i++) {
+            if (addressSpaces[i].getName() == addressSpace) {
+                return addressSpaces[i];
+            }
         }
+        throw std::exception();
     }
-    throw std::exception();
-}
-Component &Library::getComponent(std::string component) {
-    for(uint i=0; i<components.size(); i++) {
-        if(components[i].getName() == component) {
-            return components[i];
-        }
-    }
-    throw std::exception();
-}
-Bus &Library::getBus(std::string bus) {
-    for(uint i=0; i<buses.size(); i++) {
-        if(buses[i].getName() == bus) {
-            return buses[i];
-        }
-    }
-    throw std::exception();
 
-}
-std::optional<Connection> Library::getConnection(std::string component, std::string pin, std::string bus) {
-    for(uint i=0; i<connections.size(); i++) {
-        if(connections[i].isConnecting(component, pin, bus)) {
-            return connections[i];
+    Component &Library::getComponent(std::string component) {
+        for (uint i = 0; i < components.size(); i++) {
+            if (components[i].getName() == component) {
+                return components[i];
+            }
         }
+        throw std::exception();
     }
-    return nullopt;
-}
-bool Library::hasConnection(std::string component, std::string pin, std::string bus) {
-    return getConnection(component, pin, bus).has_value();
-}
 
-std::string Library::getMessage(std::string key) {
-    return messages[key];
-}
+    Bus &Library::getBus(std::string bus) {
+        for (uint i = 0; i < buses.size(); i++) {
+            if (buses[i].getName() == bus) {
+                return buses[i];
+            }
+        }
+        throw std::exception();
+
+    }
+
+    bool Library::hasConnection(ConnectionComponent component, std::string bus) {
+        return getConnection(component, bus).has_value();
+    }
+
+    std::optional<Connection> Library::getConnection(ConnectionComponent component, std::string bus) {
+        for (uint i = 0; i < connections.size(); i++) {
+            if (connections[i].isConnecting(component, bus)) {
+                return connections[i];
+            }
+        }
+        return nullopt;
+    }
+
+    bool Library::hasConnection(ConnectionComponent component, std::string bus, ConnectionComponent secondComponent) {
+        return getConnection(component, bus, secondComponent).has_value();
+    }
+
+    std::optional<Connection>
+    Library::getConnection(ConnectionComponent component, std::string bus, ConnectionComponent secondComponent) {
+        for (uint i = 0; i < connections.size(); i++) {
+            if (connections[i].isConnecting(component, bus, secondComponent)) {
+                return connections[i];
+            }
+        }
+        return nullopt;
+    }
+
+    std::string Library::getMessage(std::string key) {
+        return messages[key];
+    }
+
+    bool Library::hasConnection(ConnectionComponent component, ConnectionComponent secondComponent) {
+        return getConnection(component, secondComponent).has_value();
+    }
+
+    std::optional<Connection>
+    Library::getConnection(ConnectionComponent component, ConnectionComponent secondComponent) {
+        for (auto &connection: connections) {
+            if (connection.isConnecting(component, secondComponent)) {
+                return connection;
+            }
+        }
+        return nullopt;
+    }
 
 } // namespace domain

comdel/domain/library.h

@@ -1,7 +1,7 @@
 #ifndef DOMAIN_LIBRARY_H
 #define DOMAIN_LIBRARY_H
 
-#include "addressspace.h"
+#include "address_space.h"
 #include "bus.h"
 #include "component.h"
 #include "connection.h"
@@ -10,54 +10,75 @@
 #include <vector>
 
 
-
 namespace domain {
 
-using namespace std;
+    using namespace std;
 
-class Library
-{
-    std::string name;
-    std::string libraryInfo;
-    std::string header;
-    std::string componentDirectory;
+    class Library {
+        std::string name;
+        std::string libraryInfo;
+        std::string header;
+        std::string componentDirectory;
+        std::optional<std::string> componentHeader;
 
-    std::vector<AddressSpace> addressSpaces;
-    std::vector<Component> components;
-    std::vector<Bus> buses;
-    std::vector<Connection> connections;
+        std::vector<AddressSpace> addressSpaces;
+        std::vector<Component> components;
+        std::vector<Bus> buses;
+        std::vector<Connection> connections;
 
-    std::map<std::string, std::string> messages;
+        std::map<std::string, std::string> messages;
 
-public:
-    Library(string name, string libraryInfo, string header, string componentDirectory,
-            vector<AddressSpace> addressSpaces, vector<Component> components, vector<Bus> buses, vector<Connection> connection, map<string, string> messages);
+    public:
+        Library(string name, string libraryInfo, string header, string componentDirectory,
+                std::optional<string> componentHeader,
+                vector<AddressSpace> addressSpaces, vector<Component> components, vector<Bus> buses,
+                vector<Connection> connection, map<string, string> messages);
 
-    std::string getName();
-    std::string getLibraryInfo();
-    std::string getHeader();
-    std::string getComponentDirectory();
+        std::string getName();
 
-    std::vector<AddressSpace> getAddressSpaces();
-    std::vector<Component> getComponents();
-    std::vector<Bus> getBuses();
-    std::vector<Connection> getConnections();
+        std::string getLibraryInfo();
 
-    bool hasComponent(std::string name);
-    bool hasBus(std::string name);
-    bool hasConnection(std::string component, std::string pin, std::string bus);
+        std::string getHeader();
 
-    std::map<std::string, std::string> getMessages();
+        std::string getComponentDirectory();
 
-    AddressSpace &getAddressSpace(std::string name);
-    Component &getComponent(std::string name);
-    Bus &getBus(std::string bus);
-    std::optional<Connection> getConnection(std::string component, std::string pin, std::string bus);
-    std::string getMessage(std::string key);
+        std::optional<std::string> getComponentHeader();
 
+        std::vector<AddressSpace> getAddressSpaces();
 
+        std::vector<Component> getComponents();
 
-};
+        std::vector<Bus> getBuses();
+
+        std::vector<Connection> getConnections();
+
+        bool hasComponent(std::string name);
+
+        bool hasBus(std::string name);
+
+        std::map<std::string, std::string> getMessages();
+
+        AddressSpace &getAddressSpace(std::string name);
+
+        Component &getComponent(std::string name);
+
+        Bus &getBus(std::string bus);
+
+        std::string getMessage(std::string key);
+
+        bool hasConnection(ConnectionComponent component, std::string bus);
+
+        std::optional<Connection> getConnection(ConnectionComponent component, std::string bus);
+
+        bool hasConnection(ConnectionComponent component, std::string bus, ConnectionComponent secondComponent);
+
+        std::optional<Connection> getConnection(ConnectionComponent component, std::string bus, ConnectionComponent secondComponent);
+
+        bool hasConnection(ConnectionComponent component, ConnectionComponent secondComponent);
+
+        std::optional<Connection> getConnection(ConnectionComponent component, ConnectionComponent secondComponent);
+
+    };
 
 } // namespace domain
 

comdel/domain/pin.cpp

@@ -2,37 +2,45 @@
 
 namespace domain {
 
-PinConnection::PinConnection(std::string message, ConnectionType type)
-    : message(message), type(type)
-{}
+    PinConnection::PinConnection(std::string message, ConnectionType type)
+            : message(message), type(type) {}
 
-PinConnection::ConnectionType PinConnection::getType() {
-    return type;
-}
-std::string PinConnection::getMessage() {
-    return message;
-}
+    PinConnection::ConnectionType PinConnection::getType() {
+        return type;
+    }
+
+    std::string PinConnection::getMessage() {
+        return message;
+    }
 
 
-Pin::Pin(std::string name, PinType type, std::string tooltip, PinConnection connection, Display display)
-    : name(name), type(type), tooltip(tooltip), connection(connection), display(display)
-{}
+    Pin::Pin(std::string name, PinType type, std::string tooltip, PinConnection connection, domain::ui::Pin pin,
+             std::optional<std::vector<Value>> wires)
+            : name(name), type(type), tooltip(tooltip), connection(connection), displayPin(pin), wires(wires) {}
 
-std::string Pin::getName() {
-    return name;
-}
-Pin::PinType Pin::getType() {
-    return type;
-}
-std::string Pin::getTooltip() {
-    return tooltip;
-}
-Display &Pin::getDisplay() {
-    return display;
-}
-PinConnection &Pin::getConnection() {
-    return connection;
-}
+    std::string &Pin::getName() {
+        return name;
+    }
+
+    Pin::PinType Pin::getType() {
+        return type;
+    }
+
+    std::string Pin::getTooltip() {
+        return tooltip;
+    }
+
+    ui::Pin &Pin::getDisplayPin() {
+        return displayPin;
+    }
+
+    PinConnection &Pin::getConnection() {
+        return connection;
+    }
+
+    std::optional<std::vector<Value>> &Pin::getWires() {
+        return wires;
+    }
 
 
 } // namespace domain

comdel/domain/pin.h

@@ -2,58 +2,66 @@
 #define DOMAIN_PIN_H
 
 #include "display.h"
+#include "value.h"
 
 #include <string>
 
 
-
 namespace domain {
 
-class PinConnection
-{
-public:
-    enum ConnectionType {
-        CHECK_ONLY,
-        AUTOMATICALLY
+    class PinConnection {
+    public:
+        enum ConnectionType {
+            REQUIRED,
+            OPTIONAL
+        };
+
+    private:
+        std::string message;
+        ConnectionType type;
+
+    public:
+        PinConnection(std::string message, ConnectionType type);
+
+        ConnectionType getType();
+
+        std::string getMessage();
     };
 
-private:
-    std::string message;
-    ConnectionType type;
+    class Pin {
+    public:
+        enum PinType {
+            IN_OUT,
+            IN,
+            OUT
+        };
 
-public:
-    PinConnection(std::string message, ConnectionType type);
+    private:
+        std::string name;
+        PinType type;
+        std::string tooltip;
+        PinConnection connection;
+        domain::ui::Pin displayPin;
 
-    ConnectionType getType();
-    std::string getMessage();
-};
+        std::optional<std::vector<Value>> wires;
 
-class Pin
-{
-public:
-    enum PinType {
-        IN_OUT,
-        IN,
-        OUT
+    public:
+        Pin(std::string name, PinType type, std::string tooltip, PinConnection connection, domain::ui::Pin pin,
+            std::optional<std::vector<Value>> wires);
+
+        std::string &getName();
+
+        PinType getType();
+
+        std::string getTooltip();
+
+        ui::Pin &getDisplayPin();
+
+        PinConnection &getConnection();
+
+        std::optional<std::vector<Value>> &getWires();
     };
 
-private:
-    std::string name;
-    PinType type;
-    std::string tooltip;
-    PinConnection connection;
-    Display display;
-
-public:
-    Pin(std::string name, PinType type, std::string tooltip, PinConnection connection, Display display);
-
-    std::string getName();
-    PinType getType();
-    std::string getTooltip();
-    Display &getDisplay();
-    PinConnection &getConnection();
-};
-
 } // namespace domain
 
 #endif // DOMAIN_PIN_H

comdel/domain/rule.cpp

@@ -1,60 +1,61 @@
 #include "rule.h"
 
+#include <utility>
+
 namespace domain {
 
-Condition::Condition(std::string function, std::vector<Value> params, bool negated)
-    : negated(negated), function(function), params(params)
-{}
+    Condition::Condition(std::string function, std::vector<Value> params, bool negated)
+            : negated(negated), function(std::move(function)), params(std::move(params)) {}
 
-bool Condition::evaluate(RuleContext &context) {
-    std::vector<Value> request;
-    for(uint i=0; i<params.size(); i++) {
-        if(params[i].isType(Value::ATTRIBUTE_REFERENCE)) {
-            request.push_back(context.attributes[params[i].asReference()]);
-        } else {
-            request.push_back(params[i]);
+    bool Condition::evaluate(RuleContext &context) {
+        std::vector<Value> request;
+        for (auto & param : params) {
+            if (param.isType(Value::ADDRESS_SPACE_REFERENCE)) {
+                request.push_back(Value::fromAddressSpace(context.addressSpaces.at(param.asReference())));
+            } else if (param.isType(Value::ATTRIBUTE_REFERENCE)) {
+                request.push_back(context.attributes[param.asReference()]);
+            } else {
+                request.push_back(param);
+            }
         }
+        bool result = context.function[function]->validate(request);
+        return negated ? !result : result;
     }
-    bool result = context.function[function](request);
-    return negated ? !result : result;
-}
 
 
-Action::Action(ActionType type, std::string message)
-    : type(type), message(message)
-{}
+    Action::Action(ActionType type, std::string message)
+            : type(type), message(std::move(message)) {}
 
-Action::ActionType Action::getType() {
-    return type;
-}
-std::string Action::getMessage() {
-    return message;
-}
-
-
-IfStatement::IfStatement(Condition condition, Action action)
-    : condition(condition), action(action)
-{}
-
-std::optional<Action> IfStatement::evaluate(RuleContext &context) {
-    if(condition.evaluate(context)) {
-        return action;
+    Action::ActionType Action::getType() {
+        return type;
     }
-    return std::nullopt;
-}
 
-Rule::Rule(std::vector<IfStatement> statements)
-    : statements(statements)
-{}
+    std::string Action::getMessage() {
+        return message;
+    }
 
-std::optional<Action> Rule::evaluate(RuleContext &context) {
-    for(uint i=0; i<statements.size(); i++) {
-        auto response = statements[i].evaluate(context);
-        if(response) {
-            return response;
+
+    IfStatement::IfStatement(Condition condition, Action action)
+            : condition(std::move(condition)), action(std::move(action)) {}
+
+    std::optional<Action> IfStatement::evaluate(RuleContext &context) {
+        if (condition.evaluate(context)) {
+            return action;
         }
+        return std::nullopt;
+    }
+
+    Rule::Rule(std::vector<IfStatement> statements)
+            : statements(std::move(statements)) {}
+
+    std::optional<Action> Rule::evaluate(RuleContext &context) {
+        for (auto & statement : statements) {
+            auto response = statement.evaluate(context);
+            if (response) {
+                return response;
+            }
+        }
+        return std::nullopt;
     }
-    return std::nullopt;
-}
 
 } // namespace domain

comdel/domain/rule.h

@@ -1,9 +1,9 @@
 #ifndef DOMAIN_RULE_H
 #define DOMAIN_RULE_H
 
-#include "addressspace.h"
+#include "address_space.h"
 #include "value.h"
-#include "functionsignature.h"
+#include "function_signature.h"
 
 #include <map>
 #include <string>
@@ -12,58 +12,58 @@
 
 namespace domain {
 
-struct RuleContext {
-    std::map<std::string, AddressSpace> addressSpaces;
-    std::map<std::string, Value> attributes;
-    std::map<std::string, FunctionCallback> function;
-};
-
-class Condition {
-    bool negated;
-    std::string function;
-    std::vector<Value> params;
-
-public:
-    Condition(std::string function, std::vector<Value> params, bool negated);
-
-    bool evaluate(RuleContext &context);
-};
-
-class Action {
-public:
-    enum ActionType {
-        ERROR,
-        WARNING
+    struct RuleContext {
+        std::map<std::string, AddressSpace> addressSpaces;
+        std::map<std::string, Value> attributes;
+        std::map<std::string, FunctionValidator *> function;
     };
 
-private:
-    ActionType type;
-    std::string message;
+    class Condition {
+        bool negated;
+        std::string function;
+        std::vector<Value> params;
 
-public:
-    Action(ActionType type, std::string message);
+    public:
+        Condition(std::string function, std::vector<Value> params, bool negated);
 
-    ActionType getType();
-    std::string getMessage();
-};
+        bool evaluate(RuleContext &context);
+    };
 
-class IfStatement {
-    Condition condition;
-    Action action;
-public:
-    IfStatement(Condition condition, Action action);
+    class Action {
+    public:
+        enum ActionType {
+            ERROR,
+            WARNING
+        };
 
-    std::optional<Action> evaluate(RuleContext &context);
-};
+    private:
+        ActionType type;
+        std::string message;
 
-class Rule
-{
-    std::vector<IfStatement> statements;
-public:
-    Rule(std::vector<IfStatement> statements);
+    public:
+        Action(ActionType type, std::string message);
 
-    std::optional<Action> evaluate(RuleContext &context);
-};
+        ActionType getType();
+
+        std::string getMessage();
+    };
+
+    class IfStatement {
+        Condition condition;
+        Action action;
+    public:
+        IfStatement(Condition condition, Action action);
+
+        std::optional<Action> evaluate(RuleContext &context);
+    };
+
+    class Rule {
+        std::vector<IfStatement> statements;
+    public:
+        explicit Rule(std::vector<IfStatement> statements);
+
+        std::optional<Action> evaluate(RuleContext &context);
+    };
 
 } // namespace domain
 

comdel/domain/schema.cpp

@@ -2,8 +2,119 @@
 
 namespace domain {
 
-Schema::Schema()
-{
-}
+    bool Schema::hasConnection(string &component, string &pin) {
+        return getConnection(component, pin) != nullptr;
+    }
+
+    ConnectionInstance *Schema::getConnection(string &component, string &pin) {
+        auto pinConnections = getConnections(component, pin);
+        if(pinConnections.empty()) {
+            return nullptr;
+        } else {
+            return pinConnections[0];
+        }
+    }
+
+    std::vector<ConnectionInstance*> Schema::getConnections(string &component, string &pin) {
+        std::vector<ConnectionInstance*> pinConnections;
+        for (auto &conn: connections) {
+            if (conn->instance->name == component && conn->connection.getComponent().pin == pin) {
+                pinConnections.push_back(conn.get());
+            }
+            auto dirConn = dynamic_cast<DirectConnectionInstance *>(conn.get());
+            if (dirConn != nullptr) {
+                if (dirConn->secondInstance->name == component && conn->connection.getSecondComponent()->pin == pin) {
+                    pinConnections.push_back(conn.get());
+                }
+            }
+        }
+        return pinConnections;
+    }
+
+    BusInstance *Schema::getBusInstance(string &name) {
+        for (auto &instance: busInstances) {
+            if (instance->name == name) {
+                return instance.get();
+            }
+        }
+        return nullptr;
+    }
+
+    ComponentInstance *Schema::getComponentInstance(string &name) {
+        for (auto &instance: componentInstances) {
+            if (instance->name == name) {
+                return instance.get();
+            }
+        }
+        return nullptr;
+    }
+
+    std::vector<ConnectionEntry> Schema::availableConnections(std::string instanceName, std::string pinName, bool onlyConnectable) {
+        std::vector<ConnectionEntry> entries;
+
+        auto instance = getComponentInstance(instanceName);
+
+        ConnectionComponent connectionComponent{instance->component.getName(), pinName};
+        for(auto &conn: library.getConnections()) {
+            if(conn.isConnecting(connectionComponent)) {
+                // if bus connection
+                if(library.getBus(conn.getBus()).getType() == Bus::REGULAR) {
+                    for(auto& bus: busInstances) {
+                        if(bus->bus.getName() == conn.getBus()) {
+                            ConnectionEntry entry{ConnectionEntry::BUS, bus.get(), nullopt, nullopt, conn};
+                            entries.emplace_back(entry);
+                        }
+                    }
+                } else {
+                    for(auto& component: componentInstances) {
+                        for(auto& pin: component->component.getPins()) {
+                            if(conn.isConnecting(connectionComponent, {component->component.getName(), pin.getName()})) {
+                                ConnectionEntry entry{ConnectionEntry::COMPONENT, nullopt, component.get(), pin, conn};
+                                entries.emplace_back(entry);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        if(onlyConnectable) {
+            entries.erase(
+                    std::remove_if(
+                            entries.begin(),
+                            entries.end(),
+                            [this, instance](ConnectionEntry &entry) {
+                                auto& bus = this->library.getBus(entry.connection.getBus());
+                                // we allow duplicates of single automatic connections
+                                if(bus.getType() == Bus::SINGLE_AUTOMATIC) {
+                                    return false;
+                                }
+                                for(auto& conn: this->connections) {
+                                    if(conn->connection == entry.connection) {
+                                        if(bus.getType() == Bus::REGULAR) {
+                                            if(entry.busInstance.value()->bus.getName() == conn->connection.getBus()) {
+                                                return true;
+                                            }
+                                        } else {
+                                            auto *directInstance = dynamic_cast<DirectConnectionInstance*>(conn.get());
+                                            ComponentInstance* secondInstance;
+                                            if(directInstance->instance == instance) {
+                                                secondInstance = directInstance->secondInstance;
+                                            } else {
+                                                secondInstance = directInstance->instance;
+                                            }
+
+                                            return entry.componentInstance == secondInstance;
+                                        }
+                                    }
+                                }
+                                return false;
+                            }),
+                    entries.end()
+            );
+        }
+
+        return entries;
+    }
 
 } // namespace domain

comdel/domain/schema.h

@@ -1,46 +1,50 @@
 #ifndef DOMAIN_SCHEMA_H
 #define DOMAIN_SCHEMA_H
 
-#include "connectioninstance.h"
+#include "connection_instance.h"
 #include "instance.h"
-#include "wireinstance.h"
+#include "library.h"
 
+#include <utility>
 #include <vector>
 
 namespace domain {
 
-class Schema
-{
-public:
-    Schema();
+    struct ConnectionEntry {
+        enum Type {
+            BUS,
+            COMPONENT
+        };
 
-    std::vector<Instance*> instances;
-    std::vector<ConnectionInstance*> connections;
-    std::vector<WireInstance*> wires;
+        Type type;
 
-    WireInstance *getWire(std::string name) {
-        for(auto wire: wires) {
-            if (wire->name == name) {
-                return wire;
-            }
-        }
-        return nullptr;
-    }
+        std::optional<BusInstance*> busInstance;
+        std::optional<ComponentInstance*> componentInstance;
+        std::optional<Pin> pin;
 
-    bool hasWire(std::string name) {
-        return getWire(name) != NULL;
-    }
+        Connection connection;
+    };
 
+    class Schema {
+    private:
+        Library library;
+    public:
+        Schema(Library library): library(std::move(library)) {}
 
-    Instance *getInstance(std::string name) {
-        for(auto instance: instances) {
-            if (instance->name == name) {
-                return instance;
-            }
-        }
-        return nullptr;
-    }
-};
+        std::vector<shared_ptr<BusInstance>> busInstances;
+        std::vector<shared_ptr<ComponentInstance>> componentInstances;
+
+        std::vector<shared_ptr<ConnectionInstance>> connections;
+
+        BusInstance *getBusInstance(std::string &name);
+        ComponentInstance *getComponentInstance(std::string &name);
+        bool hasConnection(string &component, string &pin);
+        ConnectionInstance *getConnection(string &component, string &pin);
+
+        std::vector<ConnectionEntry> availableConnections(std::string instance, std::string pin, bool onlyConnectable);
+
+        vector<ConnectionInstance *> getConnections(string &component, string &pin);
+    };
 
 } // namespace domain
 

comdel/domain/schema_creator.h

@@ -0,0 +1,93 @@
+#ifndef DOMAIN_COMDEL_GENERATOR_H
+#define DOMAIN_COMDEL_GENERATOR_H
+
+#include "library.h"
+#include "schema.h"
+
+#include <set>
+#include <utility>
+
+#include <comdel/parser/ast_nodes.h>
+#include <comdel/parser/parse_context.h>
+#include <comdel/parser/presult.h>
+
+namespace domain {
+
+    struct ComdelContext {
+        std::vector<Attribute> attributes;
+        std::vector<std::string> wires;
+        std::string name;
+        bool inComponent;
+        bool inConnection;
+        bool inSingleAutomaticConnection;
+        bool inBus;
+
+        ComdelContext(std::string name, bool inComponent, bool inConnection, bool inSingleAutomaticConnection, bool inBus);
+
+        bool doesAttributeExists(std::string name, Value::ValueType type);
+        bool doesWireExists(std::string name);
+
+    };
+
+    class SchemaCreator {
+        std::vector<ComdelContext> context;
+
+        std::string name;
+        std::string libraryInfo;
+        std::string header;
+        std::string componentDirectory;
+        std::optional<std::string> componentHeader = nullopt;
+        std::vector<AddressSpace> addressSpaces;
+        std::vector<Component> components;
+        std::vector<Bus> buses;
+        std::vector<Connection> connections;
+        std::map<std::string, std::string> messages;
+
+
+        std::vector<SourceError> errors;
+        std::vector<FunctionValidator *> validators;
+
+
+        std::optional<AddressSpace> loadAddressSpace(AddressSpaceNode node);
+        std::optional<Component> loadComponent(ComponentNode node);
+        std::optional<Attribute> loadAttribute(AttributeNode node);
+        std::optional<Rule> loadRule(RuleNode node);
+        std::optional<Condition> loadCondition(ConditionNode node);
+        std::optional<Popup> loadPopup(PopupNode node, std::string name, Value::ValueType type);
+        std::optional<Display> loadDisplay(DisplayNode node);
+        std::optional<Wire> loadWire(WireNode node);
+        std::optional<Pin> loadPin(PinNode pins);
+
+        PinConnection loadPinConnection(PinConnectionNode node);
+
+        std::optional<Connection> loadConnection(ConnectionNode node);
+        std::optional<Bus> loadBus(BusNode node);
+
+        std::shared_ptr<ComponentInstance> loadComponentInstance(InstanceNode instance, Library &library);
+        std::shared_ptr<BusInstance> loadBusInstance(InstanceNode instance, Library &library);
+
+        std::optional<Bus> getBus(std::string name);
+        std::optional<Pin> getComponentPin(std::string name, std::string pin);
+        bool hasAddressSpace(std::string name);
+
+        void push(ComdelContext context);
+        void pushAdditional(std::string name);
+        ComdelContext &current();
+        void pop();
+
+        std::optional<Attribute> createMemoryAttribute();
+        vector<Enumeration> createWireEnumeration(vector<Value> enumeration);
+        std::optional<Popup> createMemoryPopup();
+
+    public:
+        explicit SchemaCreator(std::vector<FunctionValidator *> validators);
+
+        std::vector<SourceError> getErrors();
+
+        std::optional<Library> loadLibrary(LibraryNode node);
+        Schema *loadSchema(SchemaNode node, Library &library);
+    };
+
+} // namespace domain
+
+#endif // DOMAIN_COMDEL_GENERATOR_H

comdel/domain/value.cpp

@@ -4,105 +4,197 @@
 
 namespace domain {
 
-Value::ValueType Value::getType() {
-    return type;
-}
-bool Value::isType(Value::ValueType type) {
-    return this->type == type;
-}
-
-long long Value::asInt() {
-    if(isType(Value::INT)) {
-        return intValue;
+    std::string Value::string() {
+        switch (type) {
+            case INT:
+                return std::to_string(intValue);
+            case BOOL:
+                return boolValue ? "true" : "false";
+            case STRING:
+                return stringValue;
+            case NIL:
+                return "null";
+            case UNDEFINED:
+                return "undefined";
+            case ADDRESS_SPACE:
+                return "AddressSpace::" + addressSpace->getName();
+            case WIRE_REFERENCE:
+                return "Wire::" + reference;
+            case ADDRESS_SPACE_REFERENCE:
+                return "AddressSpace::" + reference;
+            case ATTRIBUTE_REFERENCE:
+                return "Attribute::" + reference;
+            case MEMORY_REFERENCE:
+                if (memoryReference.has_value()) {
+                    return "Memory::" + *memoryReference;
+                } else {
+                    return "Memory::null";
+                }
+            default:
+                return "unknown";
+        }
     }
-    throw std::exception();
-}
-std::string Value::asString() {
-    if(isType(Value::STRING)) {
-        return stringValue;
-    }
-    throw std::exception();
-}
-bool Value::asBool() {
-    if(isType(Value::BOOL)) {
-        return boolValue;
-    }
-    throw std::exception();
-}
-AddressSpace Value::asAddressSpace() {
-    if(isType(Value::ADDRESS_SPACE)) {
-        return *addressSpace;
-    }
-    throw std::exception();
-}
-std::string Value::asReference() {
-    if(isType(Value::WIRE_REFERENCE) || isType(Value::ATTRIBUTE_REFERENCE) || isType(Value::UNDEFINED)) {
-        return reference;
-    }
-    throw std::exception();
-}
-
-void Value::setInt(long long value) {
-    if(isType(Value::INT)) {
-        this->intValue = value;
-    }
-    throw std::exception();
-}
-void Value::setString(std::string value) {
-    if(isType(Value::STRING)) {
-        this->stringValue = value;
-    }
-    throw std::exception();
-}
-void Value::setBool(bool value) {
-    if(isType(Value::BOOL)) {
-        this->boolValue = value;
-    }
-    throw std::exception();
-}
-void Value::setReference(std::string value) {
-    if(isType(Value::WIRE_REFERENCE)) {
-        this->reference = value;
-    }
-    throw std::exception();
-}
 
 
-Value Value::fromInt(long long value) {
-    Value val;
-    val.type = Value::INT;
-    val.intValue = value;
-    return val;
-}
-Value Value::fromString(std::string value) {
-    Value val;
-    val.type = Value::STRING;
-    val.stringValue = value;
-    return val;
-}
-Value Value::fromBool(bool value) {
-    Value val;
-    val.type = Value::BOOL;
-    val.boolValue = value;
-    return val;
-}
-Value Value::fromAddressSpace(AddressSpace addressSpace) {
-    Value val;
-    val.type = Value::ADDRESS_SPACE;
-    val.addressSpace = addressSpace;
-    return val;
-}
-Value Value::fromReference(std::string value, Value::ValueType type) {
-    Value val;
-    val.type = type;
-    val.reference = value;
-    return val;
-}
-Value Value::ofType(Value::ValueType type) {
-    Value val;
-    val.type = type;
-    return val;
+    Value::ValueType Value::getType() {
+        return type;
+    }
 
-}
+    bool Value::isType(Value::ValueType _type) {
+        return type == _type;
+    }
+
+    long long Value::asInt() {
+        if (isType(Value::INT)) {
+            return intValue;
+        }
+        throw std::exception();
+    }
+
+    std::string Value::asString() {
+        if (isType(Value::STRING)) {
+            return stringValue;
+        }
+        throw std::exception();
+    }
+
+    bool Value::asBool() {
+        if (isType(Value::BOOL)) {
+            return boolValue;
+        }
+        throw std::exception();
+    }
+
+    AddressSpace Value::asAddressSpace() {
+        if (isType(Value::ADDRESS_SPACE)) {
+            return *addressSpace;
+        }
+        throw std::exception();
+    }
+
+    std::string Value::asReference() {
+        if (isType(Value::WIRE_REFERENCE) || isType(Value::ADDRESS_SPACE_REFERENCE) ||
+            isType(Value::ATTRIBUTE_REFERENCE) || isType(Value::UNDEFINED)) {
+            return reference;
+        }
+        throw std::exception();
+    }
+
+    std::optional<std::string> Value::asMemoryReference() {
+        return memoryReference;
+    }
+
+    domain::ComponentInstance *Value::asMemory() {
+        return memory;
+    }
+
+
+    void Value::setInt(long long value) {
+        if (isType(Value::INT)) {
+            this->intValue = value;
+        }
+        throw std::exception();
+    }
+
+    void Value::setString(std::string value) {
+        if (isType(Value::STRING)) {
+            this->stringValue = value;
+        }
+        throw std::exception();
+    }
+
+    void Value::setBool(bool value) {
+        if (isType(Value::BOOL)) {
+            this->boolValue = value;
+        }
+        throw std::exception();
+    }
+
+    void Value::setReference(std::string value) {
+        if (isType(Value::WIRE_REFERENCE)) {
+            this->reference = value;
+        }
+        throw std::exception();
+    }
+
+
+    Value Value::fromInt(long long value) {
+        Value val;
+        val.type = Value::INT;
+        val.intValue = value;
+        return val;
+    }
+
+    Value Value::fromString(std::string value) {
+        Value val;
+        val.type = Value::STRING;
+        val.stringValue = value;
+        return val;
+    }
+
+    Value Value::fromBool(bool value) {
+        Value val;
+        val.type = Value::BOOL;
+        val.boolValue = value;
+        return val;
+    }
+
+    Value Value::fromAddressSpace(AddressSpace addressSpace) {
+        Value val;
+        val.type = Value::ADDRESS_SPACE;
+        val.addressSpace = addressSpace;
+        return val;
+    }
+
+    Value Value::fromReference(std::string value, Value::ValueType type) {
+        Value val;
+        val.type = type;
+        val.reference = value;
+        return val;
+    }
+
+    Value Value::fromNull() {
+        Value val;
+        val.type = Value::NIL;
+        return val;
+    }
+
+    Value Value::fromMemoryReference(std::optional<std::string> value) {
+        Value val;
+        val.type = MEMORY_REFERENCE;
+        val.memoryReference = value;
+        return val;
+    }
+
+    std::string Value::stringify() {
+        switch (type) {
+            case INT:
+                return std::to_string(intValue);
+            case BOOL:
+                return boolValue ? "true" : "false";
+            case STRING:
+                return "\"" + stringValue + "\"";
+            case NIL:
+                return "null";
+            case WIRE_REFERENCE:
+            case ADDRESS_SPACE_REFERENCE:
+            case ATTRIBUTE_REFERENCE:
+                return reference;
+            case MEMORY_REFERENCE:
+                if (memoryReference.has_value()) {
+                    return memoryReference.value();
+                } else {
+                    return "null";
+                }
+            default:
+                throw std::exception();
+        }
+    }
+
+    Value Value::ofType(Value::ValueType type) {
+        Value val;
+        val.type = type;
+        return val;
+    }
 
 } // namespace domain

comdel/domain/value.h

@@ -1,63 +1,122 @@
 #ifndef DOMAIN_VALUE_H
 #define DOMAIN_VALUE_H
 
-#include "addressspace.h"
+#include "address_space.h"
 
 #include <string>
 #include <optional>
 
+
 namespace domain {
 
-class Value
-{
-public:
-    enum ValueType {
-        INT,
-        STRING,
-        BOOL,
-        ADDRESS_SPACE,
-        ATTRIBUTE_REFERENCE,
-        WIRE_REFERENCE,
-        UNDEFINED,
+    class ComponentInstance;
+
+    class Value {
+    public:
+        enum ValueType {
+            INT,
+            STRING,
+            BOOL,
+            ADDRESS_SPACE,
+            ADDRESS_SPACE_REFERENCE,
+            ATTRIBUTE_REFERENCE,
+            MEMORY_REFERENCE,
+            MEMORY,
+            WIRE_REFERENCE,
+            NIL,
+            UNDEFINED,
+        };
+
+    private:
+        long long intValue = 0;
+        std::string stringValue;
+        bool boolValue = false;
+        std::optional<AddressSpace> addressSpace = std::nullopt;
+        std::string reference;
+        domain::ComponentInstance *memory = nullptr;
+
+        std::optional<std::string> memoryReference = std::nullopt;
+
+        ValueType type = UNDEFINED;
+
+    public:
+
+        Value() = default;
+
+        bool equals(Value value) {
+            if (value.getType() == type) {
+                switch (type) {
+                    case INT:
+                        return value.asInt() == intValue;
+                    case STRING:
+                        return value.asString() == stringValue;
+                    case NIL:
+                    case UNDEFINED:
+                        return true;
+                    case WIRE_REFERENCE:
+                    case ATTRIBUTE_REFERENCE:
+                    case ADDRESS_SPACE_REFERENCE:
+                        return value.asReference() == reference;
+                    case MEMORY_REFERENCE:
+                        return value.asMemoryReference() == memoryReference;
+                    case MEMORY:
+                        return value.asMemory() == memory;
+                    case BOOL:
+                        return value.asBool() == boolValue;
+                    default:
+                        return false;
+                }
+            }
+            return false;
+        }
+
+        std::string string();
+
+        ValueType getType();
+
+        bool isType(ValueType type);
+
+        long long asInt();
+
+        std::string asString();
+
+        bool asBool();
+
+        std::string asReference();
+
+        std::optional<std::string> asMemoryReference();
+
+        domain::ComponentInstance *asMemory();
+
+        AddressSpace asAddressSpace();
+
+        void setInt(long long intValue);
+
+        void setString(std::string value);
+
+        void setBool(bool value);
+
+        void setReference(std::string value);
+
+        std::string stringify();
+
+        static Value fromInt(long long value);
+
+        static Value fromString(std::string value);
+
+        static Value fromBool(bool value);
+
+        static Value fromNull();
+
+        static Value fromAddressSpace(AddressSpace addressSpace);
+
+        static Value fromReference(std::string value, ValueType type);
+
+        static Value fromMemoryReference(std::optional<std::string> memoryReference);
+
+        static Value ofType(ValueType type);
     };
 
-private:
-    long long intValue;
-    std::string stringValue;
-    bool boolValue;
-    std::optional<AddressSpace> addressSpace;
-    std::string reference;
-
-    ValueType type;
-
-public:
-
-    Value() {
-        this->type = UNDEFINED;
-    }
-
-    ValueType getType();
-    bool isType(ValueType type);
-
-    long long asInt();
-    std::string asString();
-    bool asBool();
-    std::string asReference();
-    AddressSpace asAddressSpace();
-
-    void setInt(long long intValue);
-    void setString(std::string value);
-    void setBool(bool value);
-    void setReference(std::string value);
-
-    static Value fromInt(long long value);
-    static Value fromString(std::string value);
-    static Value fromBool(bool value);
-    static Value fromAddressSpace(AddressSpace addressSpace);
-    static Value fromReference(std::string value, ValueType type);
-    static Value ofType(ValueType type);
-};
-
 } // namespace domain
 
 #endif // DOMAIN_VALUE_H

comdel/domain/wireinstance.cpp

@@ -1,10 +0,0 @@
-#include "wireinstance.h"
-
-namespace domain {
-
-WireInstance::WireInstance(std::string name, Display display)
-    : name(name), display(display)
-{}
-
-
-} // namespace domain

comdel/domain/wireinstance.h

@@ -1,23 +0,0 @@
-#ifndef DOMAIN_WIREINSTANCE_H
-#define DOMAIN_WIREINSTANCE_H
-
-#include "display.h"
-
-#include <string>
-
-
-
-namespace domain {
-
-class WireInstance
-{
-public:
-    std::string name;
-    Display display;
-
-    WireInstance(std::string name, Display display);
-};
-
-} // namespace domain
-
-#endif // DOMAIN_WIREINSTANCE_H

comdel/parser/assert.cpp

@@ -1 +0,0 @@
-#include "assert.h"

comdel/parser/assert.h

@@ -1,36 +0,0 @@
-#ifndef ASSERT_H
-#define ASSERT_H
-
-#include <string>
-
-
-class AtlasException : public std::exception {
-
-    const std::string fileName;
-    const int fileLine;
-
-    const std::string message;
-
-protected:
-    virtual void buildString(std::ostream& stream) const;
-    std::string fullMessage;
-
-public:
-    explicit AtlasException(const std::string& file, int line,
-                            const std::string& msg);
-
-    virtual ~AtlasException() {
-    }
-
-    virtual std::string buildMessage() const;
-
-    virtual std::string toString() const {
-        return fullMessage;
-    }
-
-    virtual const char* what() const noexcept {
-        return fullMessage.c_str();
-    }
-};
-
-#endif // ASSERT_H

comdel/parser/ast_nodes.cpp

@@ -0,0 +1,109 @@
+#include "ast_nodes.h"
+
+/*************************** AST NODE ********************************/
+
+AstNode::~AstNode() = default;
+
+/*************************** NUMBER NODE ********************************/
+
+NumberNode::NumberNode(const std::string &expression) {
+    if (expression.size() > 2) {
+        if (expression.substr(0, 2) == "0x") {
+            this->value = std::stoll(expression, nullptr, 16);
+        } else if (expression.substr(0, 2) == "0b") {
+            this->value = std::stoll(expression, nullptr, 2);
+        } else {
+            this->value = std::stoll(expression, nullptr, 10);
+        }
+    } else {
+        this->value = std::stoll(expression, nullptr, 10);
+    }
+}
+
+/*************************** STRING NODE ********************************/
+
+std::string StringNode::asString() {
+    return value.substr(1, value.length() - 2);
+}
+
+/*************************** VALUE NODE ********************************/
+
+long long ValueNode::asInt() {
+    if (is(INT)) {
+        return intValue.value();
+    }
+    return 0;
+}
+
+std::string ValueNode::asString() {
+    if (is(STRING)) {
+        return stringValue.value();
+    }
+    return "";
+}
+
+std::string ValueNode::asIdentifier() {
+    if (is(IDENTIFIER) || is(WIRE)) {
+        return identifierValue.value();
+    }
+    return "";
+}
+
+bool ValueNode::asBool() {
+    if (is(BOOL)) {
+        return boolValue.value();
+    }
+    return false;
+}
+
+bool ValueNode::is(ValueNode::ValueType valueType) {
+    return type.value == valueType;
+}
+
+ValueNode ValueNode::ofBool(bool _value) {
+    ValueNode value;
+    value.type = EnumNode(BOOL);
+    value.boolValue = std::optional<bool>(_value);
+    return value;
+}
+
+ValueNode ValueNode::ofInt(long long int _value) {
+    ValueNode value;
+    value.type = EnumNode(INT);
+    value.intValue = std::optional<long long>(_value);
+    return value;
+}
+
+ValueNode ValueNode::ofString(std::string _value) {
+    ValueNode value;
+    value.type = EnumNode(STRING);
+    value.stringValue = std::optional<std::string>(_value);
+    return value;
+}
+
+ValueNode ValueNode::ofIdentifier(std::string _value) {
+    ValueNode value;
+    value.type = EnumNode(IDENTIFIER);
+    value.identifierValue = std::optional<std::string>(_value);
+    return value;
+}
+
+ValueNode ValueNode::ofNull() {
+    ValueNode value;
+    value.type = EnumNode(NIL);
+    return value;
+}
+
+ValueNode ValueNode::ofWire(std::optional<std::string> _value) {
+    ValueNode value;
+    value.type = EnumNode(WIRE);
+    value.identifierValue = _value;
+    return value;
+}
+
+ValueNode ValueNode::ofMemory(std::optional<std::string> _value) {
+    ValueNode value;
+    value.type = EnumNode(MEMORY);
+    value.identifierValue = _value;
+    return value;
+}

comdel/parser/ast_nodes.h

@@ -0,0 +1,392 @@
+#ifndef AST_NODE_H
+#define AST_NODE_H
+
+#include "token.h"
+#include "source_error.h"
+#include <optional>
+#include <utility>
+#include <vector>
+
+/**
+ * AST base class, all AST node classes extend this class. Class contains basic
+ * information about nodes location in file.
+ */
+class AstNode {
+public:
+
+    Span span;
+
+    AstNode() = default;
+
+    virtual ~AstNode();
+
+    AstNode(AstNode &&) = default;
+
+    AstNode &operator=(AstNode &&) = default;
+
+    AstNode(const AstNode &) = default;
+
+    AstNode &operator=(const AstNode &) = default;
+};
+
+template<typename T>
+struct EnumNode : public AstNode {
+    EnumNode() = default;
+
+    explicit EnumNode(T value) : value(value) {}
+
+    T value;
+};
+
+struct StringNode : public AstNode {
+    std::string value;
+
+    std::string asString();
+};
+
+struct IdentifierNode : public AstNode {
+    std::string value;
+};
+
+struct NumberNode : public AstNode {
+    long long int value;
+
+    explicit NumberNode(const std::string &expression);
+
+    NumberNode() : value(0) {}
+};
+
+
+struct CountNode : public AstNode {
+    NumberNode first;
+    NumberNode second;
+
+    CountNode(NumberNode first, NumberNode second) : first(std::move(first)), second(std::move(second)) {}
+
+    CountNode() = default;
+};
+
+
+struct AddressSpaceNode : public AstNode {
+    IdentifierNode name;
+    NumberNode start;
+    NumberNode end;
+};
+
+class ValueNode : public AstNode {
+public:
+    enum ValueType {
+        INT,
+        STRING,
+        BOOL,
+        WIRE,
+        IDENTIFIER,
+        MEMORY,
+        NIL,
+    };
+
+private:
+    EnumNode<ValueType> type;
+    std::optional<long long> intValue;
+    std::optional<std::string> stringValue;
+    std::optional<bool> boolValue;
+    std::optional<std::string> identifierValue;
+
+public:
+    ValueNode() = default;
+
+    ValueType getType() const {
+        return type.value;
+    }
+
+    long long asInt();
+
+    std::string asString();
+
+    std::string asIdentifier();
+
+    bool asBool();
+
+    bool is(ValueType valueType);
+
+    static ValueNode ofBool(bool _value);
+
+    static ValueNode ofInt(long long _value);
+
+    static ValueNode ofString(std::string _value);
+
+    static ValueNode ofIdentifier(std::string _value);
+
+    static ValueNode ofMemory(std::optional<std::string> _value);
+
+    static ValueNode ofNull();
+
+    static ValueNode ofWire(std::optional<std::string> _value);
+};
+
+struct ConditionNode {
+    bool negated;
+    IdentifierNode functionName;
+    std::vector<ValueNode> params;
+};
+
+class ActionNode : public AstNode {
+public:
+    enum ActionType {
+        ERROR,
+        WARNING
+    };
+
+    EnumNode<ActionType> type;
+    StringNode message;
+};
+
+
+struct IfStatementNode : public AstNode {
+    ConditionNode condition;
+    ActionNode action;
+};
+
+struct RuleNode : public AstNode {
+    std::vector<IfStatementNode> statements;
+};
+
+struct EnumerationNode : public AstNode {
+    StringNode key;
+    ValueNode value;
+};
+
+struct PopupNode : public AstNode {
+    enum PopupType {
+        AUTOMATIC,
+        ON_DEMAND
+    };
+
+    std::optional<EnumNode<PopupType>> type;
+    std::optional<StringNode> title;
+    std::optional<StringNode> text;
+
+    bool enumerated;
+    std::vector<EnumerationNode> enumeration;
+
+    std::vector<RuleNode> rules;
+};
+
+struct PropertyNode : public AstNode {
+    IdentifierNode key;
+    ValueNode value;
+};
+
+struct DisplayItemNode : public AstNode {
+    IdentifierNode type;
+    std::vector<PropertyNode> values;
+
+    long long int asInt(std::vector<SourceError> *errors, const std::string &property, long long int _default = 0) {
+        for (auto &prop: values) {
+            if (prop.key.value == property) {
+                if (prop.value.is(ValueNode::INT)) {
+                    return prop.value.asInt();
+                } else {
+                    if (errors != nullptr) {
+                        errors->emplace_back(prop.value.span, "expected number");
+                    }
+                }
+            }
+        }
+        return _default;
+    }
+
+    std::string asIdentifier(std::vector<SourceError> *errors, const std::string &property, std::string _default = "") {
+        for (auto &prop: values) {
+            if (prop.key.value == property) {
+                if (prop.value.is(ValueNode::IDENTIFIER)) {
+                    return prop.value.asIdentifier();
+                } else {
+                    if (errors != nullptr) {
+                        errors->emplace_back(prop.value.span, "expected identifier");
+                    }
+                }
+            }
+        }
+        return _default;
+    }
+
+
+    std::string asString(std::vector<SourceError> *errors, const std::string &property, std::string _default = "") {
+        for (auto &prop: values) {
+            if (prop.key.value == property) {
+                if (prop.value.is(ValueNode::STRING)) {
+                    return prop.value.asString();
+                } else {
+                    if (errors != nullptr) {
+                        errors->emplace_back(prop.value.span, "expected string");
+                    }
+                }
+            }
+        }
+        return _default;
+    }
+};
+
+struct DisplayNode : public AstNode {
+    std::vector<DisplayItemNode> items;
+};
+
+struct PinConnectionNode : public AstNode {
+    enum ConnectionType {
+        REQUIRED,
+        OPTIONAL
+    };
+
+    StringNode message;
+    EnumNode<ConnectionType> type;
+};
+
+struct PinNode : public AstNode {
+    enum PinType {
+        IN_OUT,
+        IN,
+        OUT
+    };
+
+    IdentifierNode name;
+    EnumNode<PinType> type;
+    std::optional<StringNode> tooltip;
+    std::optional<PinConnectionNode> connection;
+    std::optional<DisplayNode> display;
+    std::optional<std::vector<ValueNode>> wires;
+};
+
+struct WireNode : public AstNode {
+    enum WireType {
+        WIRE,
+        WIRED_AND,
+        WIRED_OR,
+        R_WIRE
+    };
+    EnumNode<WireType> type;
+    IdentifierNode name;
+    NumberNode size;
+
+    bool hidden = false;
+
+    bool hasTerminateWith;
+    ValueNode terminateWith;
+};
+
+struct AttributeNode : public AstNode {
+    ValueNode::ValueType type;
+    IdentifierNode name;
+    std::optional<ValueNode> defaultValue;
+    std::optional<PopupNode> popup;
+};
+
+struct ConnectionComponentNode : public AstNode {
+    IdentifierNode component;
+    IdentifierNode pin;
+};
+
+struct ConnectionNode : public AstNode {
+    ConnectionComponentNode first;
+    std::optional<ConnectionComponentNode> second;
+
+    IdentifierNode bus;
+    std::vector<AttributeNode> attributes;
+
+    std::vector<ValueNode> firstWires;
+    std::optional<std::vector<ValueNode>> secondWires;
+};
+
+struct ComponentNode : public AstNode {
+    enum ComponentType {
+        OTHER,
+        PROCESSOR,
+        MEMORY
+    };
+
+    IdentifierNode name;
+    std::optional<StringNode> tooltip;
+    std::optional<StringNode> source;
+    EnumNode<ComponentType> type;
+    std::vector<RuleNode> rules;
+    std::optional<IdentifierNode> instanceName;
+    std::optional<CountNode> count;
+    std::optional<DisplayNode> display;
+    std::vector<PinNode> pins;
+    std::vector<AttributeNode> attributes;
+};
+
+struct BusNode : public AstNode {
+    enum BusType {
+        AUTOMATIC,
+        REGULAR,
+        SINGLE_AUTOMATIC
+    };
+
+    EnumNode<BusType> type;
+    IdentifierNode name;
+    std::optional<IdentifierNode> instanceName;
+    std::optional<StringNode> tooltip;
+    std::optional<CountNode> count;
+    std::optional<DisplayNode> display;
+
+    std::vector<WireNode> wires;
+};
+
+struct LibraryNode : public AstNode {
+    std::optional<StringNode> name;
+    std::optional<StringNode> libraryInfo;
+    std::optional<StringNode> header;
+    std::optional<StringNode> componentDirectory;
+    std::optional<StringNode> componentHeader;
+
+    std::vector<AddressSpaceNode> addressSpaces;
+
+    std::vector<ComponentNode> components;
+    std::vector<BusNode> buses;
+    std::vector<ConnectionNode> connections;
+
+    std::vector<PropertyNode> messages;
+};
+
+// SCHEMA models
+struct InstanceAttributeNode : public AstNode {
+    IdentifierNode name;
+    ValueNode value;
+};
+
+struct InstanceNode : public AstNode {
+    IdentifierNode name;
+    IdentifierNode component;
+
+    std::optional<CountNode> position;
+    std::vector<InstanceAttributeNode> attributes;
+
+    std::optional<NumberNode> size;
+};
+
+struct ConnectionComponentInstance : public AstNode {
+    IdentifierNode instance;
+    IdentifierNode pin;
+};
+
+struct ConnectionInstanceNode : public AstNode {
+    ConnectionComponentInstance first;
+    std::optional<ConnectionComponentInstance> second;
+
+    IdentifierNode bus;
+
+    std::vector<InstanceAttributeNode> attributes;
+};
+
+
+struct SchemaNode : public AstNode {
+    std::optional<StringNode> source;
+
+    std::vector<InstanceNode> instances;
+    std::vector<ConnectionInstanceNode> connections;
+
+    std::optional<LibraryNode> library;
+};
+
+#endif // AST_NODE_H

comdel/parser/astnode.cpp

@@ -1,17 +0,0 @@
-#include "astnode.h"
-
-AstNode::~AstNode() = default;
-
-NumberNode::NumberNode(std::string expression) {
-    if(expression.size() > 2) {
-        if(expression.substr(0, 2) == "0x") {
-            this->value = std::stoll(expression, 0, 16);
-        } else if(expression.substr(0, 2) == "0b") {
-            this->value = std::stoll(expression, 0, 2);
-        } else {
-            this->value = std::stoll(expression, 0, 10);
-        }
-    } else {
-        this->value = std::stoll(expression, 0, 10);
-    }
-}

comdel/parser/astnode.h

@@ -1,403 +0,0 @@
-#ifndef ASTNODE_H
-#define ASTNODE_H
-
-#include "token.h"
-#include <optional>
-#include <vector>
-
-/**
- * AST base class, all AST node classes extand this class. Class contains basic
- * information about a nodes location in file.
- */
-class AstNode {
-public:
-
-    Span span;
-
-    AstNode() = default;
-
-    virtual ~AstNode(); // this is defined in Ast.cpp just so that the
-                        // compiler doesn't complain about not knowing which
-                        // object file to include the vtable in
-    AstNode(AstNode&&) = default;
-
-    AstNode& operator=(AstNode&&) = default;
-    AstNode(const AstNode&) = default;
-
-    AstNode& operator=(const AstNode&) = default;
-
-};
-
-struct StringNode: public AstNode
-{
-    std::string value;
-    std::string asString() {
-        return value.substr(1, value.length() - 2);
-    }
-};
-
-struct IdentifierNode: public AstNode
-{
-    std::string value;
-};
-
-struct NumberNode: public AstNode {
-    long long int value;
-    NumberNode(std::string expression);
-    NumberNode(): value(0) {}
-};
-
-
-struct CountNode: public AstNode
-{
-    NumberNode first;
-    NumberNode second;
-
-    CountNode(NumberNode first, NumberNode second): first(first), second(second) {}
-    CountNode() {}
-};
-
-
-struct AddressSpaceNode: public AstNode
-{
-    IdentifierNode name;
-    NumberNode start;
-    NumberNode end;
-};
-
-
-class ValueNode: AstNode
-{
-public:
-    enum ValueType {
-        INT,
-        STRING,
-        BOOL,
-        WIRE,
-        IDENTIFIER
-    };
-
-
-private:
-    ValueType type;
-    std::optional<long long> intValue;
-    std::optional<std::string> stringValue;
-    std::optional<bool> boolValue;
-    std::optional<std::string> identifierValue;
-
-public:
-    ValueNode() {};
-
-    ValueType getType() {
-        return type;
-    }
-    long long asInt() {
-        if(is(INT)) {
-            return intValue.value();
-        }
-        throw "cannot convert type to int";
-    }
-    std::string asString() {
-        if(is(STRING)) {
-            return stringValue.value();
-        }
-        throw "cannot convert type to string";
-    }
-    std::string asIdentifier() {
-        if(is(IDENTIFIER) || is(WIRE)) {
-            return identifierValue.value();
-        }
-        throw "cannot convert type to identifier";
-    }
-    bool asBool() {
-        if(is(BOOL)) {
-            return boolValue.value();
-        }
-        throw "cannot convert type to bool";
-    }
-
-    bool is(ValueType type) {
-        return this->type == type;
-    }
-
-    static ValueNode ofBool(bool _value) {
-        ValueNode value;
-        value.type = BOOL;
-        value.boolValue = std::optional<bool>(_value);
-        return value;
-    }
-
-    static ValueNode ofInt(long long _value) {
-        ValueNode value;
-        value.type = INT;
-        value.intValue = std::optional<long long>(_value);
-        return value;
-    }
-
-    static ValueNode ofString(std::string _value) {
-        ValueNode value;
-        value.type = STRING;
-        value.stringValue = std::optional<std::string>(_value);
-        return value;
-    }
-
-    static ValueNode ofIdentifier(std::string _value) {
-        ValueNode value;
-        value.type = IDENTIFIER;
-        value.identifierValue = std::optional<std::string>(_value);
-        return value;
-    }
-
-    static ValueNode ofWire(std::string _value) {
-        ValueNode value;
-        value.type = WIRE;
-        value.identifierValue = std::optional<std::string>(_value);
-        return value;
-    }
-};
-
-struct ConditionNode
-{
-    bool negated;
-    IdentifierNode functionName;
-    std::vector<ValueNode> params;
-};
-
-class ActionNode: AstNode {
-public:
-    enum ActionType {
-        ERROR,
-        WARNING
-    };
-
-    ActionType type;
-    StringNode message;
-};
-
-
-struct IfStatementnode: AstNode
-{
-    ConditionNode condition;
-    ActionNode action;
-};
-
-
-struct RuleNode: AstNode
-{
-    std::vector<IfStatementnode> statements;
-};
-
-
-
-struct EnumerationNode: AstNode
-{
-    StringNode key;
-    ValueNode value;
-};
-
-struct PopupNode: AstNode
-{
-    enum PopupType {
-        AUTOMATIC,
-        ON_DEMAND
-    };
-
-    std::optional<PopupType> type;
-    std::optional<StringNode> title;
-    std::optional<StringNode> text;
-
-    bool enumerated;
-    std::vector<EnumerationNode> enumeration;
-
-    std::vector<RuleNode> rules;
-};
-
-struct PropertyNode: public AstNode
-{
-    IdentifierNode key;
-    ValueNode value;
-};
-
-
-struct DisplayItemNode: AstNode
-{
-    IdentifierNode type;
-    std::vector<PropertyNode> values;
-};
-
-
-struct DisplayNode: AstNode
-{
-    std::vector<DisplayItemNode> items;
-};
-
-
-struct PinConnectionNode: AstNode
-{
-    enum ConnectionType {
-        CHECK_ONLY,
-        AUTOMATICALLY
-    };
-
-    StringNode message;
-    ConnectionType type;
-};
-
-
-struct PinNode: AstNode
-{
-    enum PinType {
-        IN_OUT,
-        IN,
-        OUT
-    };
-
-    IdentifierNode name;
-    PinType type;
-    std::optional<StringNode> tooltip;
-    std::optional<PinConnectionNode> connection;
-    std::optional<DisplayNode> display;
-};
-
-
-struct WireNode: public AstNode
-{
-    enum WireType {
-        WIRE,
-        WIRED_AND,
-        WIRED_OR,
-        R_WIRE
-    };
-    WireType type;
-    IdentifierNode name;
-    NumberNode size;
-
-    bool hidden;
-
-    bool hasTermination;
-    long long isUnterminated;
-};
-
-
-struct AttributeNode: AstNode
-{
-    ValueNode::ValueType type;
-    IdentifierNode name;
-    std::optional<ValueNode> defaultValue;
-    std::optional<PopupNode> popup;
-};
-
-struct ConnectionNode: AstNode
-{
-    IdentifierNode component;
-    IdentifierNode pin;
-    IdentifierNode bus;
-    std::vector<AttributeNode> attributes;
-    std::vector<IdentifierNode> wires;
-};
-
-
-struct ComponentNode: AstNode
-{
-    enum ComponentType {
-        OTHER,
-        PROCESSOR,
-        MEMORY
-    };
-
-    IdentifierNode name;
-    std::optional<StringNode> tooltip;
-    std::optional<StringNode> source;
-    ComponentType type;
-    std::vector<RuleNode> rules;
-    std::optional<StringNode> instanceName;
-    std::optional<CountNode> count;
-    std::optional<DisplayNode> display;
-    std::vector<PinNode> pins;
-    std::vector<AttributeNode> attributes;
-};
-
-
-struct BusNode: AstNode
-{
-    enum BusType {
-        AUTOMATIC,
-        REGULAR
-    };
-
-    BusType type;
-    IdentifierNode name;
-    std::optional<StringNode> tooltip;
-    std::optional<CountNode> count;
-    std::optional<DisplayNode> display;
-
-    std::vector<WireNode> wires;
-};
-
-struct LibraryNode: AstNode
-{
-    std::optional<StringNode> name;
-    std::optional<StringNode> libraryInfo;
-    std::optional<StringNode> header;
-    std::optional<StringNode> componentDirectory;
-
-    std::vector<AddressSpaceNode> addressSpaces;
-
-    std::vector<ComponentNode> components;
-    std::vector<BusNode> buses;
-    std::vector<ConnectionNode> connections;
-
-    std::vector<PropertyNode> messages;
-};
-
-// SCHEMA models
-
-
-struct WireInstanceNode: AstNode
-{
-    IdentifierNode name;
-    std::optional<CountNode> position;
-    std::optional<DisplayNode> display;
-};
-
-struct InstanceAttributeNode: AstNode
-{
-    IdentifierNode name;
-    ValueNode value;
-};
-
-struct InstanceNode: AstNode
-{
-    IdentifierNode name;
-    IdentifierNode component;
-
-    std::optional<CountNode> position;
-    std::vector<InstanceAttributeNode> attributes;
-
-    std::optional<NumberNode> size;
-};
-
-
-struct ConnectionInstanceNode: AstNode
-{
-    IdentifierNode instance;
-    IdentifierNode pin;
-    IdentifierNode bus;
-    std::optional<IdentifierNode> wire;
-
-    std::vector<InstanceAttributeNode> attributes;
-};
-
-
-struct SchemaNode: AstNode
-{
-    std::optional<StringNode> source;
-
-    std::vector<InstanceNode> instances;
-    std::vector<WireInstanceNode> wires;
-    std::vector<ConnectionInstanceNode> connections;
-
-    std::optional<LibraryNode> library;
-};
-
-#endif // ASTNODE_H

comdel/parser/comdel_lexer.cpp

@@ -1,6 +1,6 @@
-#include "comdellexer.h"
+#include "comdel_lexer.h"
 #include "token.h"
-#include "tokenstype.h"
+#include "tokens_type.h"
 
 #include <fstream>
 #include <cctype>
@@ -21,7 +21,7 @@ inline bool identifierContinue(char ch) {
 }
 
 inline bool numberStart(char ch) {
-    return isdigit(ch);
+    return isdigit(ch) || ch == '-';
 }
 
 inline bool isWhitespace(char ch) {
@@ -36,14 +36,13 @@ inline bool isWhitespace(char ch) {
 *************************************************************************/
 
 ComdelLexer::ComdelLexer(std::string fileName, std::string source,
-                         ParseContext* parseContext)
-    : source(std::move(source)),
-      parseContext(parseContext),
-      // qqq zamijeniti poziv path_absolute sa Qt-ovim pozivom
-      fileId(this->parseContext->addFile(fileName, this->source)),
-      position(this->fileId, 1, 1, 0),
-      ch(this->source[0])
-{}
+                         ParseContext *parseContext)
+        : source(std::move(source)),
+          parseContext(parseContext),
+        // TODO Update this
+          fileId(this->parseContext->addFile(fileName, this->source)),
+          position(this->fileId, 1, 1, 0),
+          ch(this->source[0]) {}
 
 
 LexerResult ComdelLexer::tokenize() {
@@ -51,11 +50,11 @@ LexerResult ComdelLexer::tokenize() {
         tokenBegin = position;
 
         auto tokenType = nextTokenType();
-        if(!tokenType) {
+        if (!tokenType) {
             errors.push_back(tokenType.error());
             continue;
         }
-        if (tokenType == TokenType::WHITESPACE || tokenType ==  TokenType::COMMENT) {
+        if (tokenType == TokenType::WHITESPACE || tokenType == TokenType::COMMENT) {
             continue;
         }
 
@@ -64,12 +63,12 @@ LexerResult ComdelLexer::tokenize() {
 
         tokenType = from_token(text, tokenType.value());
 
-        tokens.push_back(Token(*tokenType, Span(tokenBegin, position), text));
+        tokens.emplace_back(*tokenType, Span(tokenBegin, position), text);
     }
 
-    tokens.push_back(Token( TokenType::END_OF_FILE, Span(position), ""));
+    tokens.emplace_back(TokenType::END_OF_FILE, Span(position), "");
 
-    return LexerResult { tokens, errors };
+    return LexerResult{tokens, errors};
 }
 
 
@@ -86,11 +85,11 @@ LexerResult ComdelLexer::tokenize() {
 unsigned ComdelLexer::takeNumberInRadix(Radix radix) {
     unsigned digitsTaken = 0;
 
-    while(true) {
+    while (true) {
         if (digitIsValid(ch, radix)) { // skip and count real digits
             bump();
             digitsTaken++;
-        } else if(ch == '_') { // skip underscores
+        } else if (ch == '_') { // skip underscores
             bump();
         } else { // some other character => end of number
             return digitsTaken;
@@ -101,28 +100,28 @@ unsigned ComdelLexer::takeNumberInRadix(Radix radix) {
 
 bool ComdelLexer::digitIsValid(char ch, Radix radix) {
 
-    // Check digits in normal numbers
-    //digit is 0..1
-    if(ch == '1' || ch == '0') {
+    // Check valid digits
+    // digit is 0..1
+    if (ch == '1' || ch == '0') {
         // OK for all radixes
         return true;
     }
     //digit is 2..9
-    if(isdigit(ch)) {
+    if (isdigit(ch)) {
         // OK for decimal and hex radixes
-        return(radix != Radix::BIN_NUMBER);
+        return (radix != Radix::BIN_NUMBER);
     }
-    // digit is a..f A..F
-    else if(isxdigit(ch)) {
+        // digit is a..f A..F
+    else if (isxdigit(ch)) {
         // OK only for hex radix
-        return(radix ==Radix::HEX_NUMBER);
+        return (radix == Radix::HEX_NUMBER);
     }
     // NOT 0..9 a..f A..F
     return false;
 }
 
 
-ComdelLexer::Radix ComdelLexer::takeRadix(){
+ComdelLexer::Radix ComdelLexer::takeRadix() {
     if (ch == '0') {
         char nextChar = peek();
         if (nextChar == 'x' || nextChar == 'X') {
@@ -137,11 +136,11 @@ ComdelLexer::Radix ComdelLexer::takeRadix(){
 }
 
 
-// color is sequence of hex-digits (preceeded with # which is already consumed)
+// color is sequence of hex-digits (preceded with # which is already consumed)
 unsigned ComdelLexer::takeHexColor() {
     unsigned digitsTaken = 0;
 
-    while(true) {
+    while (true) {
         if (digitIsValid(ch, Radix::HEX_NUMBER)) { // skip and count hex digits
             bump();
             digitsTaken++;
@@ -159,13 +158,13 @@ PResult<TokenType> ComdelLexer::takeString() {
         return PError({Span(lo), "expected string here"});
     bump(); // skip starting "
 
-    // Check ecsape-sequences  \t  \n  \\  \"  but leave them in string.
+    // Check escape-sequences  \t  \n  \\  \"  but leave them in string.
     // They will be replaced in the constructor of StringLiteral AST-node.
     while (ch != '"' && ch != '\n' && !eof()) {
-        if(ch == '"') {
+        if (ch == '"') {
             // possible start of escape-sequence
             char nextCh = peek();
-            if(nextCh == '\\' || nextCh == '\"' || nextCh == 't' || nextCh == 'n')
+            if (nextCh == '\\' || nextCh == '\"' || nextCh == 't' || nextCh == 'n')
                 bump();   // legal escape-sequence: skip backslash
             else
                 return PError({Span(lo, position), "illegal escape-sequence (allowed:  \\n  \\\"  \\\\  \\t"});
@@ -177,19 +176,18 @@ PResult<TokenType> ComdelLexer::takeString() {
         return PError({Span(lo, position), "unterminated string"});
     }
     bump(); // skip closing "
-    return  TokenType::STRING;
+    return TokenType::STRING;
 }
 
 
-PResult<TokenType> ComdelLexer::takeRawString()
-{
+PResult<TokenType> ComdelLexer::takeRawString() {
     Position lo = position;
 
     if (ch != '`')
         return PError({Span(lo), "expected string here"});
     bump(); // skip starting '
 
-    // Ignore ecsape-sequences - take all characters until closing '
+    // Ignore escape-sequences - take all characters until closing '
     while (ch != '`' && !eof()) {
         bump(); // skip characters
     }
@@ -198,7 +196,7 @@ PResult<TokenType> ComdelLexer::takeRawString()
         return PError({Span(lo, position), "unterminated string"});
     }
     bump(); // skip closing '
-    return  TokenType::STRING;
+    return TokenType::STRING;
 }
 
 
@@ -237,173 +235,116 @@ bool ComdelLexer::skipMultilineComment() {
 
 
 PResult<TokenType> ComdelLexer::nextTokenType() {
-    if (isWhitespace(ch))
-    {
+    if (isWhitespace(ch)) {
         skipWhitespace();
-        return  TokenType::WHITESPACE;
-    }
-    else if (identifierStart(ch))
-    {
+        return TokenType::WHITESPACE;
+    } else if (identifierStart(ch)) {
         bump();
         while (identifierContinue(ch))
             bump();
-        return  TokenType::IDENTIFIER;
-    }
-    else if (numberStart(ch))
-    {
+        return TokenType::IDENTIFIER;
+    } else if (numberStart(ch)) {
+        if (ch == '-') {
+            bump();
+        }
         unsigned takenDigits;
         Radix radix = takeRadix();
         takenDigits = takeNumberInRadix(radix);
         if (takenDigits == 0) {
             return PError({Span(tokenBegin, position),
-                "no digits found for number, or misspelled number"});
+                           "no digits found for number, or misspelled number"});
         }
-        if( isalnum(ch) ) {
+        if (isalnum(ch)) {
             return PError({Span(tokenBegin, position),
-                "illegal digit or letter found at the end of number"});
+                           "illegal digit or letter found at the end of number"});
         }
-        return  TokenType::NUMBER;
-    }
-    else if (ch == '!')
-    {
+        return TokenType::NUMBER;
+    } else if (ch == '!') {
         bump();
-        return  TokenType::NOT;
-    }
-
-    else if (ch == '<')
-    {
+        return TokenType::NOT;
+    } else if (ch == '<') {
         bump();
-        return  TokenType::LT;
-    }
-
-    else if (ch == '>')
-    {
+        return TokenType::LT;
+    } else if (ch == '>') {
         bump();
-        return  TokenType::GT;
-    }
-
-    else if (ch == '#')
-    {
+        return TokenType::GT;
+    } else if (ch == '#') {
         bump();
 
         if (digitIsValid(ch, Radix::HEX_NUMBER)) {
             unsigned takenDigits = takeHexColor();
             if (takenDigits != 6 && takenDigits != 8) {
                 return PError({Span(tokenBegin, position),
-                       "hex-color must have 6 or 8 hex-digits"});
+                               "hex-color must have 6 or 8 hex-digits"});
             }
-            if( isalnum(ch) ) {
+            if (isalnum(ch)) {
                 return PError({Span(tokenBegin, position),
-                    "illegal letter found at the end of hex-color"});
+                               "illegal letter found at the end of hex-color"});
             }
-            return  TokenType::COLOR;
+            return TokenType::COLOR;
         } else {
             return PError({Span(tokenBegin, position),
-                           "unexpected #"});;
+                           "unexpected #"});
         }
-    }
-    else if (ch == '@')
-    {
+    } else if (ch == '@') {
         bump();
         while (identifierContinue(ch))
             bump();
-        return  TokenType::KEYWORD;
-    }
-    else if (ch == '"')
-    {
+        return TokenType::KEYWORD;
+    } else if (ch == '"') {
         return takeString();
-    }
-    else if (ch == '`')
-    {
+    } else if (ch == '`') {
         return takeRawString();
-    }
-    else if (ch == '(')
-    {
+    } else if (ch == '(') {
         bump();
-        return  TokenType::LPAREN;
-    }
-    else if (ch == ')')
-    {
+        return TokenType::LPAREN;
+    } else if (ch == ')') {
         bump();
-        return  TokenType::RPAREN;
-    }
-    else if (ch == '[')
-    {
+        return TokenType::RPAREN;
+    } else if (ch == '[') {
         bump();
         return TokenType::LBRACKET;
-    }
-    else if (ch == ']')
-    {
+    } else if (ch == ']') {
         bump();
-        return  TokenType::RBRACKET;
-    }
-    else if (ch == '{')
-    {
+        return TokenType::RBRACKET;
+    } else if (ch == '{') {
         bump();
         return TokenType::LBRACE;
-    }
-    else if (ch == '}')
-    {
+    } else if (ch == '}') {
         bump();
         return TokenType::RBRACE;
-    }
-    else if (ch == '/')
-    {
+    } else if (ch == '/') {
         bump();
-        if (ch == '/')
-        {
+        if (ch == '/') {
             bump();
             skipComment();
             return TokenType::COMMENT;
-        } else if (ch == '*')
-        {
+        } else if (ch == '*') {
             bump();
-            if (!skipMultilineComment())
-            {
+            if (!skipMultilineComment()) {
                 return PError({Span(tokenBegin, position),
-                       "unterminated multiline comment"});
+                               "unterminated multiline comment"});
             }
             return TokenType::COMMENT;
         }
         return PError({Span(tokenBegin, position),
-                       "unexpected /"});;
-    }
-    else if (ch == '.')
-    {
+                       "unexpected /"});
+    } else if (ch == '.') {
         bump();
         return TokenType::DOT;
-    }
-    else if (ch == ':')
-    {
+    } else if (ch == ':') {
         bump();
         return TokenType::COLON;
-    }
-    else if (ch == ';')
-    {
+    } else if (ch == ';') {
         bump();
         return TokenType::SEMICOLON;
-    }
-    else if (ch == ',')
-    {
+    } else if (ch == ',') {
         bump();
         return TokenType::COMMA;
-    }
-    else if (ch == '=')
-    {
+    } else if (ch == '=') {
         bump();
         return TokenType::EQUALS;
-    }
-    else if (ch == '<')
-    {
-        bump();
-        return TokenType::LT;
-    }
-    else if (ch == '>')
-    {
-        return TokenType::GT;
-    }
-    else
-    {
+    } else {
         std::stringstream message;
         message << "unexpected character `" << ch << "`";
         bump();
@@ -415,11 +356,11 @@ PResult<TokenType> ComdelLexer::nextTokenType() {
 // Move position to the new character in input file.
 // Fetch the new character in 'ch'
 void ComdelLexer::bump(unsigned count) {
-    for (unsigned i=0; i < count && !eof(); i++) {
+    for (unsigned i = 0; i < count && !eof(); i++) {
         if (ch == '\n') {
             position.line += 1;
             position.col = 1;
-            parseContext->getFile(fileId).addLineOffset(position.offset+1);
+            parseContext->getFile(fileId).addLineOffset(position.offset + 1);
         } else {
             position.col += 1;
         }
@@ -431,12 +372,12 @@ void ComdelLexer::bump(unsigned count) {
 
 // Fetch and return next character without moving position.
 // Fetch does not cross line boundary.
-// Returns \n when next char does not exists (end of line or end of file)
+// Returns \n when next char does not exist (end of line or end of file)
 char ComdelLexer::peek() {
-    if(position.offset+1 == source.size()) // eof
+    if (position.offset + 1 == source.size()) // eof
         return '\n';
 
-    return source[position.offset+1];
+    return source[position.offset + 1];
 }
 
 

comdel/parser/comdel_lexer.h

@@ -1,9 +1,9 @@
-#ifndef COMDELLEXER_H
-#define COMDELLEXER_H
+#ifndef COMDEL_LEXER_H
+#define COMDEL_LEXER_H
 
-#include "parsecontext.h"
+#include "parse_context.h"
 #include "presult.h"
-#include "sourceerror.h"
+#include "source_error.h"
 #include "token.h"
 
 
@@ -16,8 +16,7 @@ struct LexerResult {
     std::vector<SourceError> errors;
 };
 
-class ComdelLexer
-{
+class ComdelLexer {
 
     enum Radix {
         BIN_NUMBER = 2,
@@ -28,19 +27,23 @@ class ComdelLexer
     std::string source;
     std::vector<Token> tokens;
     std::vector<SourceError> errors;
-    ParseContext* parseContext;
+    ParseContext *parseContext;
     unsigned fileId;
 
 public:
-    ComdelLexer(std::string fileName, std::string source, ParseContext* parseContext);
+    ComdelLexer(std::string fileName, std::string source, ParseContext *parseContext);
+
     LexerResult tokenize();
 
 private:
     void skipWhitespace();
 
     unsigned takeNumberInRadix(Radix radix);
+
     unsigned takeHexColor();
+
     bool digitIsValid(char ch, Radix radix);
+
     Radix takeRadix();
 
     PResult<TokenType> nextTokenType();
@@ -50,14 +53,18 @@ private:
     char ch;
 
     void skipComment();
+
     bool skipMultilineComment();
 
     PResult<TokenType> takeString();
+
     PResult<TokenType> takeRawString();
 
     void bump(unsigned count = 1);
+
     char peek();
+
     bool eof();
 };
 
-#endif // COMDELLEXER_H
+#endif // COMDEL_LEXER_H

comdel/parser/comdel_parser.h

@@ -1,10 +1,10 @@
-#ifndef COMDELPARSER_H
-#define COMDELPARSER_H
+#ifndef COMDEL_PARSER_H
+#define COMDEL_PARSER_H
 
-#include "sourceerror.h"
+#include "source_error.h"
 #include "presult.h"
 #include "token.h"
-#include "astnode.h"
+#include "ast_nodes.h"
 
 #include <optional>
 #include <set>
@@ -16,24 +16,23 @@
 /// Spanner's call operator MOVES from the node so it should
 /// be always used last.
 class Spanner {
-    const Span lo; // the low end of the span, beginning of the node
-
     // REFERENCE to the parser's prevSpan. After parsing a node this will
     // "point" to the span of the last token contained in the node.
-    const Span& prevSpan;
+    const Span &prevSpan;
 
 public:
-    Spanner(Span lo, Span& prevSpan) : lo(lo), prevSpan(prevSpan) {}
+    const Span lo; // the low end of the span, beginning of the node
 
-    template <typename T, typename = std::enable_if<std::is_base_of<AstNode, T>::value>>
-    typename std::remove_reference_t<T> operator()(T&& astNode) const {
+    Spanner(Span lo, Span &prevSpan) : lo(lo), prevSpan(prevSpan) {}
+
+    template<typename T, typename = std::enable_if<std::is_base_of<AstNode, T>::value>>
+    typename std::remove_reference_t<T> operator()(T &&astNode) const {
         astNode.span = lo.to(prevSpan);
-        return std::move(astNode);
+        return std::forward<T>(astNode);
     }
 };
 
-class ComdelParser
-{
+class ComdelParser {
 private:
     std::vector<Token> tokens;
     std::set<TokenType> expectedTokens;
@@ -46,56 +45,90 @@ private:
     void bump();
 
     bool consume(TokenType tokenType);
+
     bool check(TokenType tokenType);
 
+    void skipUntilNextKeyword();
+
     Token &current();
 
     [[nodiscard]] PError unexpected();
 
     template<typename T>
     PResult<std::vector<T>> parseList(std::optional<TokenType> openDelim,
-                                       TokenType closeDelim,
-                                       std::optional<TokenType> separator,
-                                       bool allowTrailing,
-                                       const std::function<PResult<T> ()> &parse_f);
+                                      TokenType closeDelim,
+                                      std::optional<TokenType> separator,
+                                      bool allowTrailing,
+                                      const std::function<PResult<T>()> &parse_f);
 
     Spanner getSpanner();
 
-    void parseBlock();
-
+    // used to parse library and schema
     PResult<StringNode> parseString();
+
     PResult<IdentifierNode> parseIdentifier();
+
     PResult<NumberNode> parseNumber();
+
     PResult<CountNode> parseCount();
+
     PResult<PropertyNode> parseProperty(std::optional<TokenType> valueType);
+
     PResult<EnumerationNode> parseEnumeration();
 
+    PResult<ValueNode> parseConnectionWire();
+
     PResult<ComponentNode> parseComponent();
+
     PResult<AddressSpaceNode> parseAddress();
+
     PResult<PinNode> parsePin();
+
     PResult<DisplayNode> parseDisplay();
+
     PResult<PinConnectionNode> parsePinConnection();
+
     PResult<AttributeNode> parseAttribute();
+
     PResult<PopupNode> parsePopup();
+
     PResult<RuleNode> parseRule();
+
     PResult<BusNode> parseBus();
+
     PResult<WireNode> parseWire();
+
     PResult<ConnectionNode> parseConnection();
+
     PResult<DisplayItemNode> parseDisplayItem();
-    PResult<IfStatementnode> parseIfStatement();
+
+    PResult<IfStatementNode> parseIfStatement();
+
     PResult<ValueNode> parseValue();
 
-    PResult<WireInstanceNode> parseWireInstance();
+    // used to parse schema
     PResult<CountNode> parsePosition();
+
     PResult<InstanceNode> parseInstance();
+
     PResult<InstanceAttributeNode> parseInstanceAttribute();
+
     PResult<ConnectionInstanceNode> parseConnectionInstance();
 
+    PResult<EnumNode<ComponentNode::ComponentType>> parseComponentType();
+
+    PResult<EnumNode<BusNode::BusType>> parseBusType();
+
+    PResult<EnumNode<PinConnectionNode::ConnectionType>> parseConnectionType();
+
 public:
-    ComdelParser(std::vector<Token> tokens);
+    explicit ComdelParser(std::vector<Token> tokens);
+
     std::optional<SchemaNode> parseSchema();
-    std::optional<LibraryNode> parse();
-    const std::vector<SourceError>& getErrors();
+
+    std::optional<LibraryNode> parseLibrary();
+
+    const std::vector<SourceError> &getErrors();
 };
 
-#endif // COMDELPARSER_H
+#endif // COMDEL_PARSER_H

comdel/parser/parse_context.cpp

@@ -1,4 +1,4 @@
-#include "parsecontext.h"
+#include "parse_context.h"
 #include "assert.h"
 
 #include <iostream>
@@ -6,31 +6,29 @@
 #include <cmath>
 
 
-ParseContext::ParseContext()
-{
+ParseContext::ParseContext() {
     applicationDir = std::string();
 }
 
-unsigned ParseContext::addFile(const std::string& fileName,
-                               const std::string& source)
-{
-    fileMap.push_back(SourceFile(fileName, source));
+unsigned ParseContext::addFile(const std::string &fileName,
+                               const std::string &source) {
+    fileMap.emplace_back(fileName, source);
     return fileMap.size();
 }
 
-SourceFile& ParseContext::getFile(unsigned fileId)
-{
-    return fileMap[fileId-1];
+SourceFile &ParseContext::getFile(unsigned fileId) {
+    return fileMap[fileId - 1];
 }
 
 
 struct pad {
-    char ch; int count;
+    char ch;
+    int count;
 
     pad(char ch, int count) : ch(ch), count(count) {}
 };
 
-std::ostream& operator<<(std::ostream& stream, const pad& p) {
+std::ostream &operator<<(std::ostream &stream, const pad &p) {
     for (int i = 0; i < p.count; i++) {
         stream << p.ch;
     }
@@ -40,16 +38,13 @@ std::ostream& operator<<(std::ostream& stream, const pad& p) {
 #define ATLAS_ASSERT(x) \
     do {} while(0)
 
-void ParseContext::formatError(const SourceError& sourceError,
-                               std::ostream& stream,
-                               const std::string& ErrorOrWarning)
-{
+void ParseContext::formatError(const SourceError &sourceError,
+                               std::ostream &stream,
+                               const std::string &errorOrWarning) {
     ATLAS_ASSERT(sourceError.span.lo.col != 0
                  && sourceError.span.hi.col != 0);
 
-    SourceFile sourceFile = getFile(sourceError.span.lo.fileId);
-
-    stream << ErrorOrWarning << sourceError.message << std::endl;
+    stream << errorOrWarning << sourceError.message << std::endl;
 
     Span span = sourceError.span;
 
@@ -100,21 +95,17 @@ void ParseContext::formatError(const SourceError& sourceError,
 }
 
 
-
 SourceFile::SourceFile(std::string fileName, std::string source)
-    : fileName(std::move(fileName)), source(std::move(source))
-{
+        : fileName(std::move(fileName)), source(std::move(source)) {
     lineOffsets.push_back(0);
 }
 
-const std::string& SourceFile::getFileName() const
-{
+const std::string &SourceFile::getFileName() const {
     return fileName;
 }
 
-const std::string SourceFile::getLine(unsigned line) const
-{
-    auto lineOffset = lineOffsets[line-1];
+std::string SourceFile::getLine(unsigned line) const {
+    auto lineOffset = lineOffsets[line - 1];
     auto nextLF = source.find('\n', lineOffset);
     auto nextCR = source.find('\r', lineOffset);
     auto nl = std::min(nextCR, nextLF);
@@ -122,7 +113,6 @@ const std::string SourceFile::getLine(unsigned line) const
     return source.substr(lineOffset, nl - lineOffset);
 }
 
-void SourceFile::addLineOffset(unsigned offset)
-{
+void SourceFile::addLineOffset(unsigned offset) {
     lineOffsets.push_back(offset);
 }

comdel/parser/parse_context.h

@@ -0,0 +1,41 @@
+#ifndef PARSE_CONTEXT_H
+#define PARSE_CONTEXT_H
+
+
+#include "source_error.h"
+
+#include <string>
+#include <vector>
+
+class SourceFile {
+    std::string fileName;
+    std::string source;
+    std::vector<unsigned> lineOffsets;
+
+public:
+    SourceFile(std::string fileName, std::string source);
+
+    const std::string &getFileName() const;
+
+    std::string getLine(unsigned line) const;
+
+    void addLineOffset(unsigned offset);
+};
+
+
+class ParseContext {
+    std::string applicationDir;
+    std::vector<SourceFile> fileMap;
+
+public:
+    ParseContext();
+
+    unsigned addFile(const std::string &fileName, const std::string &source);
+
+    SourceFile &getFile(unsigned file);
+
+    void formatError(const SourceError &sourceError, std::ostream &stream, const std::string &errorOrWarning);
+
+};
+
+#endif // PARSECONTEXT_H

comdel/parser/parsecontext.h

@@ -1,42 +0,0 @@
-#ifndef PARSECONTEXT_H
-#define PARSECONTEXT_H
-
-
-#include "sourceerror.h"
-
-#include <string>
-#include <vector>
-
-
-class SourceFile {
-    std::string fileName;
-    std::string source;
-    std::vector<unsigned> lineOffsets;
-
-public:
-    // qqq source je CIJELI comdel fajl,
-    // za inicijalizaciju source se koristi std::move, a možda treba biti referenca???
-    SourceFile(std::string fileName, std::string source);
-
-    const std::string& getFileName() const;
-    const std::string getLine(unsigned line) const;
-    void addLineOffset(unsigned offset);
-};
-
-
-class ParseContext
-{
-    std::string applicationDir;
-    std::vector<SourceFile> fileMap;
-
-public:
-    ParseContext();
-
-    unsigned addFile(const std::string& fileName, const std::string& source);
-    SourceFile& getFile(unsigned file);
-
-    void formatError(const SourceError &sourceError, std::ostream &stream, const std::string& ErrorOrWarning);
-
-};
-
-#endif // PARSECONTEXT_H

comdel/parser/parser_util.cpp

@@ -1,6 +1,92 @@
+#include "comdel_lexer.h"
+#include "comdel_parser.h"
 #include "parser_util.h"
 
-parser_util::parser_util()
-{
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <QDir>
 
+std::optional<LibraryNode> load_library_from_file(ParseContext *parseContext,
+                                                  const char *name,
+                                                  std::ostream &stream) {
+    std::ifstream in(name, std::ios::in | std::ios::binary);
+    if (!in) {
+        stream << "ERROR: cannot open file '" << name
+               << "' (file does not exist or is unreadable)" << std::endl;
+        return std::nullopt;
+    }
+
+    std::string source((std::istreambuf_iterator<char>(in)),
+                       std::istreambuf_iterator<char>());
+    ComdelLexer lexer(name, source, parseContext);
+    LexerResult lexerResult = lexer.tokenize();
+
+    if (!lexerResult.errors.empty()) {
+        for (auto &error: lexerResult.errors) {
+            parseContext->formatError(error, stream, "ERROR: ");
+        }
+        return std::nullopt;  // if lexer has found errors => don't parseLibrary
+    }
+
+    ComdelParser parser(lexerResult.tokens);
+    auto unit = parser.parseLibrary();
+    if (!unit) {
+        for (auto &error: parser.getErrors()) {
+            parseContext->formatError(error, stream, "ERROR: ");
+        }
+        return std::nullopt;
+    }
+
+    return *unit;
+}
+
+
+std::optional<SchemaNode> load_schema_from_file(ParseContext *parseContext,
+                                                const char *name,
+                                                std::ostream &stream) {
+    std::ifstream in(name, std::ios::in | std::ios::binary);
+    if (!in) {
+        stream << "ERROR: cannot open file '" << name
+               << "' (file does not exist or is unreadable)" << std::endl;
+        return std::nullopt;
+    }
+
+    std::string source((std::istreambuf_iterator<char>(in)),
+                       std::istreambuf_iterator<char>());
+    ComdelLexer lexer(name, source, parseContext);
+    LexerResult lexerResult = lexer.tokenize();
+
+    if (!lexerResult.errors.empty()) {
+        for (auto &error: lexerResult.errors) {
+            parseContext->formatError(error, stream, "ERROR: ");
+        }
+        return std::nullopt;  // if lexer has found errors => don't parseLibrary
+    }
+
+    ComdelParser parser(lexerResult.tokens);
+    auto unit = parser.parseSchema();
+    if (!unit) {
+        for (auto &error: parser.getErrors()) {
+            parseContext->formatError(error, stream, "ERROR: ");
+        }
+        return std::nullopt;
+    }
+
+    if (unit->source) {
+        QFileInfo info(name);
+        auto filepath = info.absolutePath();
+        QDir::setCurrent(filepath);
+
+        QDir dir;
+        auto libraryPath = dir.absoluteFilePath(QString::fromStdString(unit->source->asString()));
+
+        unit->library = load_library_from_file(parseContext, libraryPath.toUtf8().data(), stream);
+        if (unit->library == std::nullopt) {
+            return std::nullopt;
+        }
+    }
+
+
+    return *unit;
 }

comdel/parser/parser_util.h

@@ -1,11 +1,15 @@
 #ifndef PARSER_UTIL_H
 #define PARSER_UTIL_H
 
+#include "ast_nodes.h"
+#include "parse_context.h"
 
-class parser_util
-{
-public:
-    parser_util();
-};
+std::optional<LibraryNode> load_library_from_file(ParseContext *parseContext,
+                                                  const char *name,
+                                                  std::ostream &stream);
+
+std::optional<SchemaNode> load_schema_from_file(ParseContext *parseContext,
+                                                const char *name,
+                                                std::ostream &stream);
 
 #endif // PARSER_UTIL_H

comdel/parser/parserutil.cpp

@@ -1,83 +0,0 @@
-#include "comdellexer.h"
-#include "comdelparser.h"
-#include "parserutil.h"
-
-#include <iostream>
-#include <fstream>
-#include <string>
-
-std::optional<LibraryNode> loadLibraryFromFile(ParseContext * parseContext,
-                                                            const char* name,
-                                                            std::ostream& stream)
-{
-    std::ifstream in(name, std::ios::in | std::ios::binary);
-    if( ! in ) {
-        stream << "ERROR: cannot open file '" << name
-               << "' (file does not exist or is unreadable)" << std::endl;
-        return std::nullopt;
-    }
-
-    std::string source((std::istreambuf_iterator<char>(in)),
-                       std::istreambuf_iterator<char>());
-    ComdelLexer lexer(name, source, parseContext);
-    LexerResult lexerResult = lexer.tokenize();
-
-    if (lexerResult.errors.size()) {
-        for (auto& error : lexerResult.errors) {
-            parseContext->formatError(error, stream, "ERROR: ");
-        }
-        return std::nullopt;  // if lexer has found errors => don't parse
-    }
-
-    ComdelParser parser(lexerResult.tokens);
-    auto unit = parser.parse();
-    if (!unit) {
-        for (auto& error : parser.getErrors()) {
-            parseContext->formatError(error, stream, "ERROR: ");
-        }
-        return std::nullopt;
-    }
-
-    return *unit;
-}
-
-
-std::optional<SchemaNode> loadSchemaFromFile(ParseContext * parseContext,
-                                                            const char* name,
-                                                            std::ostream& stream)
-{
-    std::ifstream in(name, std::ios::in | std::ios::binary);
-    if( ! in ) {
-        stream << "ERROR: cannot open file '" << name
-               << "' (file does not exist or is unreadable)" << std::endl;
-        return std::nullopt;
-    }
-
-    std::string source((std::istreambuf_iterator<char>(in)),
-                       std::istreambuf_iterator<char>());
-    ComdelLexer lexer(name, source, parseContext);
-    LexerResult lexerResult = lexer.tokenize();
-
-    if (lexerResult.errors.size()) {
-        for (auto& error : lexerResult.errors) {
-            parseContext->formatError(error, stream, "ERROR: ");
-        }
-        return std::nullopt;  // if lexer has found errors => don't parse
-    }
-
-    ComdelParser parser(lexerResult.tokens);
-    auto unit = parser.parseSchema();
-    if (!unit) {
-        for (auto& error : parser.getErrors()) {
-            parseContext->formatError(error, stream, "ERROR: ");
-        }
-        return std::nullopt;
-    }
-
-    if(unit->source) {
-        unit->library = loadLibraryFromFile(parseContext, unit->source->asString().c_str(), stream);
-    }
-
-
-    return *unit;
-}

comdel/parser/parserutil.h

@@ -1,15 +0,0 @@
-#ifndef PARSERUTIL_H
-#define PARSERUTIL_H
-
-#include "astnode.h"
-#include "parsecontext.h"
-
-std::optional<LibraryNode> loadLibraryFromFile(ParseContext * parseContext,
-                                                            const char* name,
-                                                            std::ostream& stream);
-
-std::optional<SchemaNode> loadSchemaFromFile(ParseContext * parseContext,
-                                                            const char* name,
-                                                            std::ostream& stream);
-
-#endif // PARSERUTIL_H

comdel/parser/poly.h

@@ -30,142 +30,119 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <type_traits>
 #include <typeinfo>
 
-namespace detail
-{
+namespace detail {
 
     ////////////////////////////////////////////////////////////////////////////
     // Implementation detail classes
     ////////////////////////////////////////////////////////////////////////////
 
-    template <class T>
-    struct default_copy
-    {
-        T* operator()(const T& t) const
-        {
+    template<class T>
+    struct default_copy {
+        T *operator()(const T &t) const {
             return new T(t);
         }
     };
 
-    template <class T>
-    struct default_delete
-    {
-        void operator()(const T* t) const
-        {
+    template<class T>
+    struct default_delete {
+        void operator()(const T *t) const {
             delete t;
         }
     };
 
-    template <class T>
-    struct control_block
-    {
+    template<class T>
+    struct control_block {
         virtual ~control_block() = default;
 
         virtual std::unique_ptr<control_block> clone() const = 0;
 
-        virtual T* ptr() = 0;
+        virtual T *ptr() = 0;
     };
 
-    template <class T, class U = T>
-    class direct_control_block : public control_block<T>
-    {
+    template<class T, class U = T>
+    class direct_control_block : public control_block<T> {
         static_assert(!std::is_reference<U>::value, "");
         U u_;
 
     public:
-        template <class... Ts>
-        explicit direct_control_block(Ts&&... ts) : u_(U(std::forward<Ts>(ts)...))
-        {
+        template<class... Ts>
+        explicit direct_control_block(Ts &&... ts) : u_(U(std::forward<Ts>(ts)...)) {
         }
 
-        std::unique_ptr<control_block<T>> clone() const override
-        {
+        std::unique_ptr<control_block<T>> clone() const override {
             return std::make_unique<direct_control_block>(*this);
         }
 
-        T* ptr() override
-        {
+        T *ptr() override {
             return std::addressof(u_);
         }
     };
 
-    template <class T, class U, class C = default_copy<U>,
-              class D = default_delete<U>>
-    class pointer_control_block : public control_block<T>, public C
-    {
+    template<class T, class U, class C = default_copy<U>,
+            class D = default_delete<U>>
+    class pointer_control_block : public control_block<T>, public C {
         std::unique_ptr<U, D> p_;
 
     public:
-        explicit pointer_control_block(U* u, C c = C{}, D d = D{})
-            : C(std::move(c)), p_(u, std::move(d))
-        {
+        explicit pointer_control_block(U *u, C c = C{}, D d = D{})
+                : C(std::move(c)), p_(u, std::move(d)) {
         }
 
         explicit pointer_control_block(std::unique_ptr<U, D> p, C c = C{})
-            : C(std::move(c)), p_(std::move(p))
-        {
+                : C(std::move(c)), p_(std::move(p)) {
         }
 
-        std::unique_ptr<control_block<T>> clone() const override
-        {
+        std::unique_ptr<control_block<T>> clone() const override {
             assert(p_);
             return std::make_unique<pointer_control_block>(
-                   C::operator()(*p_), static_cast<const C&>(*this), p_.get_deleter());
+                    C::operator()(*p_), static_cast<const C &>(*this), p_.get_deleter());
         }
 
-        T* ptr() override
-        {
+        T *ptr() override {
             return p_.get();
         }
     };
 
-    template <class T, class U>
-    class delegating_control_block : public control_block<T>
-    {
+    template<class T, class U>
+    class delegating_control_block : public control_block<T> {
         std::unique_ptr<control_block<U>> delegate_;
 
     public:
         explicit delegating_control_block(std::unique_ptr<control_block<U>> b)
-            : delegate_(std::move(b))
-        {
+                : delegate_(std::move(b)) {
         }
 
-        std::unique_ptr<control_block<T>> clone() const override
-        {
+        std::unique_ptr<control_block<T>> clone() const override {
             return std::make_unique<delegating_control_block>(delegate_->clone());
         }
 
-        T* ptr() override
-        {
-            return static_cast<T*>(delegate_->ptr());
+        T *ptr() override {
+            return static_cast<T *>(delegate_->ptr());
         }
     };
 
 
 } // end namespace detail
 
-class bad_poly_construction : std::exception
-{
+class bad_poly_construction : std::exception {
 public:
     bad_poly_construction() noexcept = default;
 
-    const char* what() const noexcept override
-    {
+    const char *what() const noexcept override {
         return "Dynamic and static type mismatch in poly "
-                        "construction";
+               "construction";
     }
 };
 
-template <class T>
+template<class T>
 class poly;
 
-template <class T>
-struct is_poly : std::false_type
-{
+template<class T>
+struct is_poly : std::false_type {
 };
 
-template <class T>
-struct is_poly<poly<T>> : std::true_type
-{
+template<class T>
+struct is_poly<poly<T>> : std::true_type {
 };
 
 
@@ -173,23 +150,25 @@ struct is_poly<poly<T>> : std::true_type
 // `poly` class definition
 ////////////////////////////////////////////////////////////////////////////////
 
-template <class T>
-class poly
-{
+template<class T>
+class poly {
     static_assert(!std::is_union<T>::value, "");
     static_assert(std::is_class<T>::value, "");
 
-    template <class U>
-    friend class poly;
+    template<class U>
+    friend
+    class poly;
 
-    template <class T_, class U, class... Ts>
-    friend poly<T_> make_poly(Ts&&... ts);
-    template <class T_, class... Ts>
-    friend poly<T_> make_poly(Ts&&... ts);
-    template <class T_, class U>
+    template<class T_, class U, class... Ts>
+    friend poly<T_> make_poly(Ts &&... ts);
+
+    template<class T_, class... Ts>
+    friend poly<T_> make_poly(Ts &&... ts);
+
+    template<class T_, class U>
     friend poly<T_> poly_cast(poly<U> p);
 
-    T* ptr_ = nullptr;
+    T *ptr_ = nullptr;
     std::unique_ptr<detail::control_block<T>> cb_;
 
 public:
@@ -204,17 +183,14 @@ public:
     // Constructors
     //
 
-    poly()
-    {
+    poly() {
     }
 
-    template <class U, class C = detail::default_copy<U>,
-              class D = detail::default_delete<U>,
-              class V = std::enable_if_t<std::is_convertible<U*, T*>::value>>
-    explicit poly(U* u, C copier = C{}, D deleter = D{})
-    {
-        if (!u)
-        {
+    template<class U, class C = detail::default_copy<U>,
+            class D = detail::default_delete<U>,
+            class V = std::enable_if_t<std::is_convertible<U *, T *>::value>>
+    explicit poly(U *u, C copier = C{}, D deleter = D{}) {
+        if (!u) {
             return;
         }
 
@@ -227,7 +203,7 @@ public:
         std::unique_ptr<U, D> p(u, std::move(deleter));
 
         cb_ = std::make_unique<detail::pointer_control_block<T, U, C, D>>(
-              std::move(p), std::move(copier));
+                std::move(p), std::move(copier));
         ptr_ = u;
     }
 
@@ -236,10 +212,8 @@ public:
     // Copy-constructors
     //
 
-    poly(const poly& p)
-    {
-        if (!p)
-        {
+    poly(const poly &p) {
+        if (!p) {
             return;
         }
         auto tmp_cb = p.cb_->clone();
@@ -251,8 +225,7 @@ public:
     // Move-constructors
     //
 
-    poly(poly&& p) noexcept
-    {
+    poly(poly &&p) noexcept {
         ptr_ = p.ptr_;
         cb_ = std::move(p.cb_);
         p.ptr_ = nullptr;
@@ -262,25 +235,23 @@ public:
     // Converting constructors
     //
 
-    template <class U,
-              class V = std::enable_if_t<!std::is_same<T, U>::value &&
-              std::is_convertible<U*, T*>::value>>
-    poly(const poly<U>& p)
-    {
+    template<class U,
+            class V = std::enable_if_t<!std::is_same<T, U>::value &&
+                                       std::is_convertible<U *, T *>::value>>
+    poly(const poly<U> &p) {
         poly<U> tmp(p);
         ptr_ = tmp.ptr_;
         cb_ = std::make_unique<detail::delegating_control_block<T, U>>(
-              std::move(tmp.cb_));
+                std::move(tmp.cb_));
     }
 
-    template <class U,
-              class V = std::enable_if_t<!std::is_same<T, U>::value &&
-              std::is_convertible<U*, T*>::value>>
-    poly(poly<U>&& p)
-    {
+    template<class U,
+            class V = std::enable_if_t<!std::is_same<T, U>::value &&
+                                       std::is_convertible<U *, T *>::value>>
+    poly(poly<U> &&p) {
         ptr_ = p.ptr_;
         cb_ = std::make_unique<detail::delegating_control_block<T, U>>(
-              std::move(p.cb_));
+                std::move(p.cb_));
         p.ptr_ = nullptr;
     }
 
@@ -288,14 +259,13 @@ public:
     // Forwarding constructor
     //
 
-    template <class U, class V = std::enable_if_t<
-              std::is_convertible<std::decay_t<U>*, T*>::value &&
-              !is_poly<std::decay_t<U>>::value>>
-    poly(U&& u)
-        : cb_(std::make_unique<
-              detail::direct_control_block<T, std::decay_t<U>>>(
-              std::forward<U>(u)))
-    {
+    template<class U, class V = std::enable_if_t<
+            std::is_convertible<std::decay_t<U> *, T *>::value &&
+            !is_poly<std::decay_t<U>>::value>>
+    poly(U &&u)
+            : cb_(std::make_unique<
+            detail::direct_control_block<T, std::decay_t<U>>>(
+            std::forward<U>(u))) {
         ptr_ = cb_->ptr();
     }
 
@@ -303,15 +273,12 @@ public:
     // Assignment
     //
 
-    poly& operator=(const poly& p)
-    {
-        if (std::addressof(p) == this)
-        {
+    poly &operator=(const poly &p) {
+        if (std::addressof(p) == this) {
             return *this;
         }
 
-        if (!p)
-        {
+        if (!p) {
             cb_.reset();
             ptr_ = nullptr;
             return *this;
@@ -328,10 +295,8 @@ public:
     // Move-assignment
     //
 
-    poly& operator=(poly&& p) noexcept
-    {
-        if (std::addressof(p) == this)
-        {
+    poly &operator=(poly &&p) noexcept {
+        if (std::addressof(p) == this) {
             return *this;
         }
 
@@ -346,8 +311,7 @@ public:
     // Modifiers
     //
 
-    void swap(poly& p) noexcept
-    {
+    void swap(poly &p) noexcept {
         using std::swap;
         swap(ptr_, p.ptr_);
         swap(cb_, p.cb_);
@@ -358,31 +322,26 @@ public:
     // Observers
     //
 
-    explicit operator bool() const
-    {
-        return (bool)cb_;
+    explicit operator bool() const {
+        return (bool) cb_;
     }
 
-    const T* operator->() const
-    {
+    const T *operator->() const {
         assert(ptr_);
         return ptr_;
     }
 
-    const T& operator*() const
-    {
+    const T &operator*() const {
         assert(*this);
         return *ptr_;
     }
 
-    T* operator->()
-    {
+    T *operator->() {
         assert(*this);
         return ptr_;
     }
 
-    T& operator*()
-    {
+    T &operator*() {
         assert(*this);
         return *ptr_;
     }
@@ -391,18 +350,17 @@ public:
 //
 // poly creation
 //
-template <class T, class... Ts>
-poly<T> make_poly(Ts&&... ts)
-{
+template<class T, class... Ts>
+poly<T> make_poly(Ts &&... ts) {
     poly<T> p;
     p.cb_ = std::make_unique<detail::direct_control_block<T, T>>(
             std::forward<Ts>(ts)...);
     p.ptr_ = p.cb_->ptr();
     return std::move(p);
 }
-template <class T, class U, class... Ts>
-poly<T> make_poly(Ts&&... ts)
-{
+
+template<class T, class U, class... Ts>
+poly<T> make_poly(Ts &&... ts) {
     poly<T> p;
     p.cb_ = std::make_unique<detail::direct_control_block<T, U>>(
             std::forward<Ts>(ts)...);
@@ -410,32 +368,30 @@ poly<T> make_poly(Ts&&... ts)
     return std::move(p);
 }
 
-template <class T, class U>
-const T* poly_view(const poly<U>& p) {
+template<class T, class U>
+const T *poly_view(const poly<U> &p) {
     if (p) {
-        return dynamic_cast<const T*>(&*p);
-    }
-    else {
+        return dynamic_cast<const T *>(&*p);
+    } else {
         return nullptr;
     }
 }
 
-template <class T, class U>
-T* poly_view(poly<U>& p) {
+template<class T, class U>
+T *poly_view(poly<U> &p) {
     if (p) {
-        return dynamic_cast<T*>(&*p);
-    }
-    else {
+        return dynamic_cast<T *>(&*p);
+    } else {
         return nullptr;
     }
 }
 
-template <class T, class U>
+template<class T, class U>
 poly<T> poly_cast(poly<U> p) {
     poly<T> ret;
-    if (T* ptr = dynamic_cast<T*>(&*p)) {
+    if (T *ptr = dynamic_cast<T *>(&*p)) {
         ret.cb_ = std::make_unique<detail::delegating_control_block<T, U>>(
-                  std::move(p.cb_));
+                std::move(p.cb_));
         ret.ptr_ = ret.cb_->ptr();
     }
     return ret;

comdel/parser/presult.h

@@ -2,7 +2,7 @@
 #define PRESULT_H
 
 #include "expected.h"
-#include "sourceerror.h"
+#include "source_error.h"
 
 #include <optional>
 
@@ -32,19 +32,18 @@ using PError = tl::unexpected<SourceError>;
 
 /// Holds either an AST node or an error
 /// The value MUST be checked before usage, e.g. using RETURN_IF_ERR
-template <typename T>
+template<typename T>
 struct PResult : tl::expected<T, SourceError> {
     using tl::expected<T, SourceError>::expected;
 
     /// Implicit conversion from PResult<U> to PResult<T>
     /// if U is convertible to T
-    template <typename U, class V = std::enable_if_t<std::is_convertible<std::decay_t<U>, T>::value>>
+    template<typename U, class V = std::enable_if_t<std::is_convertible<std::decay_t<U>, T>::value>>
     PResult(PResult<U> presult) :
-        tl::expected<T, SourceError>(presult ? PResult<T>(*presult) : PError(presult.error()))
-    {}
+            tl::expected<T, SourceError>(presult ? PResult<T>(*presult) : PError(presult.error())) {}
 };
 
-/// Alternative to PResult that is returned from parse* functions
+/// Alternative to PResult that is returned from parseLibrary* functions
 /// that only consume one token so they can fail without affecting
 /// the parser state
 template<typename T>

comdel/parser/source_error.cpp

@@ -0,0 +1,5 @@
+#include "source_error.h"
+
+
+SourceError::SourceError(Span span, std::string message)
+        : span(span), message(std::move(message)) {}

comdel/parser/source_error.h

@@ -1,5 +1,5 @@
-#ifndef SOURCEERROR_H
-#define SOURCEERROR_H
+#ifndef SOURCE_ERROR_H
+#define SOURCE_ERROR_H
 
 #include "token.h"
 #include <string>
@@ -11,4 +11,4 @@ struct SourceError {
     SourceError(Span span, std::string message);
 };
 
-#endif // SOURCEERROR_H
+#endif // SOURCE_ERROR_H

comdel/parser/sourceerror.cpp

@@ -1,6 +0,0 @@
-#include "sourceerror.h"
-
-
-SourceError::SourceError(Span span, std::string message)
-    : span(std::move(span)), message(std::move(message))
-{}

comdel/parser/token.cpp

@@ -4,32 +4,23 @@
 
 
 Position::Position()
-    : fileId(0), line(0), col(0), offset(0)
-{}
+        : fileId(0), line(0), col(0), offset(0) {}
 
 Position::Position(unsigned file, unsigned line, unsigned col, unsigned offset)
-    : fileId(file), line(line), col(col), offset(offset)
-{}
+        : fileId(file), line(line), col(col), offset(offset) {}
 
 Span::Span()
-    : lo(0, 0, 0, 0), hi(0, 0, 0, 0)
-{}
+        : lo(0, 0, 0, 0), hi(0, 0, 0, 0) {}
 
 Span::Span(Position begin, Position end)
-    : lo(begin), hi(end)
-{}
+        : lo(begin), hi(end) {}
 
 Span::Span(Position begin)
-    : Span(begin, Position(begin.fileId, begin.line, begin.col+1, begin.offset+1))
-{}
+        : Span(begin, Position(begin.fileId, begin.line, begin.col + 1, begin.offset + 1)) {}
 
-Span Span::to(const Span &span) const
-{
-    return Span(this->lo, span.hi);
+Span Span::to(const Span &span) const {
+    return {this->lo, span.hi};
 }
 
 Token::Token(TokenType type, Span span, std::string text)
-    : type(type)
-    , span(std::move(span))
-    , text(std::move(text))
-{}
+        : type(type), span(span), text(std::move(text)) {}

comdel/parser/token.h

@@ -12,6 +12,7 @@ struct Position {
     unsigned offset;
 
     Position();
+
     Position(unsigned fileId, unsigned line, unsigned col, unsigned offset);
 };
 
@@ -23,10 +24,12 @@ struct Span {
     Position hi;
 
     Span();
+
     Span(Position lo, Position hi);
+
     Span(Position lo);
 
-    Span to(const Span& span) const;
+    Span to(const Span &span) const;
 };
 
 enum class TokenType {
@@ -65,10 +68,14 @@ enum class TokenType {
     TRUE,
     FALSE,
 
+    // NULL
+    NIL,
+
     // KEYWORDS
     KW_NAME,
     KW_INFO,
     KW_HEADER,
+    KW_COMPONENT_HEADER,
     KW_DIRECTORY,
     KW_LIBRARY,
     KW_ADDRESS,
@@ -121,6 +128,10 @@ enum class TokenType {
     ERROR,
     WARNING,
 
+    // WIRE SETTINGS
+    HIDDEN,
+    TERMINATE_WITH,
+
     // OTHER
     END_OF_FILE
 };

comdel/parser/tokens_type.cpp

@@ -0,0 +1,173 @@
+#include "tokens_type.h"
+
+enum TokenClass {
+    KEYWORD_NAME = 4,
+    TOKENIZABLE = 8
+};
+
+
+struct TokenInfo {
+    std::string text;
+    unsigned short attributes;
+};
+
+
+struct TokenTables {
+    std::unordered_map<TokenType, TokenInfo> allTokensInfo;
+    std::unordered_map<std::string, TokenType> keywords;
+
+    TokenType tokenize(std::string value, TokenType initial);
+
+    bool is_keyword(TokenType token);
+
+    void add(TokenType tokenType, const std::string &txt,
+             unsigned short attribs = 0);
+
+    TokenTables();
+};
+
+
+static TokenTables tokenTables;
+
+void TokenTables::add(TokenType tokenType, const std::string &txt,
+                      unsigned short attribs) {
+    allTokensInfo[tokenType] = TokenInfo{txt, attribs};
+    if (attribs & KEYWORD_NAME)
+        keywords[txt] = tokenType;
+}
+
+TokenTables::TokenTables() {
+
+    add(TokenType::IDENTIFIER, "identifier");
+    add(TokenType::KEYWORD, "keyword", KEYWORD_NAME);
+
+    // Literals (bool is not here, it has two keywords: false and true)
+    add(TokenType::NUMBER, "number");
+    add(TokenType::STRING, "string");
+    add(TokenType::COLOR, "color");
+
+    // Parentheses of all kinds
+    add(TokenType::LPAREN, "(");
+    add(TokenType::RPAREN, ")");
+    add(TokenType::LBRACKET, "[");
+    add(TokenType::RBRACKET, "]");
+    add(TokenType::LBRACE, "{");
+    add(TokenType::RBRACE, "}");
+    add(TokenType::LT, "<");
+    add(TokenType::GT, ">");
+
+    // assignments
+    add(TokenType::EQUALS, "=");
+
+    // miscellaneous
+    add(TokenType::DOT, ".");
+    add(TokenType::COLON, ":");
+    add(TokenType::SEMICOLON, ";");
+    add(TokenType::COMMA, ",");
+    add(TokenType::WHITESPACE, "whitespace");
+    add(TokenType::COMMENT, "comment");
+
+    add(TokenType::TRUE, "true", TOKENIZABLE);
+    add(TokenType::FALSE, "false", TOKENIZABLE);
+
+    add(TokenType::IF, "if", TOKENIZABLE);
+    add(TokenType::ELSE, "else", TOKENIZABLE);
+
+    add(TokenType::DEFAULT, "default", TOKENIZABLE);
+    add(TokenType::NIL, "null", TOKENIZABLE);
+
+    // all keywords
+    add(TokenType::KW_NAME, "@name", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_INFO, "@info", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_HEADER, "@header", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_COMPONENT_HEADER, "@componentHeader", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_DIRECTORY, "@directory", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_LIBRARY, "@library", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_ADDRESS, "@address", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_COMPONENT, "@component", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_MESSAGES, "@messages", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_INSTANCE_NAME, "@instanceName", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_COUNT, "@count", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_DISPLAY, "@display", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_PIN, "@pin", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_TOOLTIP, "@tooltip", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_CONNECTION, "@connection", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_ATTRIBUTE, "@attribute", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_SOURCE, "@source", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_POPUP, "@popup", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_RULE, "@rule", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_TITLE, "@title", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_TEXT, "@text", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_BUS, "@bus", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_WIRES, "@wires", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_ENUMERATED, "@enumerated", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_WIRE, "@wire", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_INSTANCE, "@instance", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_SCHEMA, "@schema", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_POSITION, "@position", TOKENIZABLE | KEYWORD_NAME);
+    add(TokenType::KW_SIZE, "@size", TOKENIZABLE | KEYWORD_NAME);
+
+    // All types
+    add(TokenType::INT_TYPE, "int", TOKENIZABLE);
+    add(TokenType::STRING_TYPE, "string", TOKENIZABLE);
+    add(TokenType::BOOL_TYPE, "bool", TOKENIZABLE);
+    add(TokenType::WIRE_TYPE, "wire", TOKENIZABLE);
+
+    // WireNode types
+    add(TokenType::WIRE_DEFAULT, "normal_wire", TOKENIZABLE);
+    add(TokenType::WIRE_AND, "wired_and", TOKENIZABLE);
+    add(TokenType::WIRE_OR, "wired_or", TOKENIZABLE);
+    add(TokenType::R_WIRE, "r_wire", TOKENIZABLE);
+
+    // ComponentNode types
+    add(TokenType::CT_MEMORY, "memory", TOKENIZABLE);
+    add(TokenType::CT_PROCESSOR, "processor", TOKENIZABLE);
+
+    // PinNode type
+    add(TokenType::PIN_IN, "in", TOKENIZABLE);
+    add(TokenType::PIN_OUT, "out", TOKENIZABLE);
+    add(TokenType::PIN_IN_OUT, "inOut", TOKENIZABLE);
+
+    // ActionNode types
+    add(TokenType::ERROR, "error", TOKENIZABLE);
+    add(TokenType::WARNING, "warning", TOKENIZABLE);
+
+
+    // WireNode settings types
+    add(TokenType::HIDDEN, "hidden", TOKENIZABLE);
+    add(TokenType::TERMINATE_WITH, "terminate_with", TOKENIZABLE);
+
+    // Miscelaneous
+    add(TokenType::END_OF_FILE, "eof");
+}
+
+
+const std::string &tokenTypeToString(TokenType tokenType) {
+    return tokenTables.allTokensInfo[tokenType].text;
+}
+
+TokenType TokenTables::tokenize(std::string value, TokenType initial) {
+    for (auto &[key, param]: allTokensInfo) {
+        if (param.attributes & TOKENIZABLE && param.text == value) {
+            return key;
+        }
+    }
+    return initial;
+}
+
+bool TokenTables::is_keyword(TokenType token) {
+    for (auto &[key, param]: allTokensInfo) {
+        if (param.attributes & KEYWORD_NAME && key == token) {
+            return true;
+        }
+    }
+    return false;
+}
+
+TokenType from_token(std::string value, TokenType initial) {
+    return tokenTables.tokenize(value, initial);
+}
+
+bool is_keyword(TokenType tokenType) {
+    return tokenTables.is_keyword(tokenType);
+}

comdel/parser/tokens_type.h

@@ -0,0 +1,15 @@
+#ifndef TOKENS_TYPE_H
+#define TOKENS_TYPE_H
+
+#include "token.h"
+
+#include <unordered_map>
+#include <string>
+
+const std::string &tokenTypeToString(TokenType tokenType);
+
+TokenType from_token(std::string value, TokenType initial);
+
+bool is_keyword(TokenType tokenType);
+
+#endif // TOKENS_TYPE_H