pascalabcnet/LanguageIntegrator/LanguageProvider.cs
AlexanderZemlyak 342375501b
New languages engine (#3120)
* Implement first version of languages interfaces and classes

ParsersController заменен на LanguageProvider.

* Update ParserTools.csproj

* Update RemoteCompiler.cs

* Update TestRunner

* Rename LanguageIntegrator project to Languages

* Update TestRunner

* Rename Parsers folder

* Rename PascalABCParser.dll to PascalABCLanguage.dll

* Reorganise LanguageIntegrator and rename DocTagsParser

* Update Release Generators

* Update language loading messages

* Update linux version

* Move BaseParser fields to ILanguage interface

* Revert "Update Release Generators"

This reverts commit 26a991c71b81e643d9fbd9a815ddca222768dda9.

* Revert "Rename PascalABCParser.dll to PascalABCLanguage.dll"

* Clean the mess in parser folders

* Organize namespaces properly

* Revert "Rename LanguageIntegrator project to Languages"

* Add new enclosing folders for standard languages

* Organize namespaces of LanguageIntegrator properly

* Rename StandardLanguages to Languages

* Comment the rest of Visual basic source code

* Update OutputPath in pascal parser project

* Move BaseParser methods to IParser

* Restore Pascal parser project initial structure

* Add PascalLanguage project

* Move SyntaxTreeConverters project to Languages\Pascal folder

* Rename SemanticRules in parser project

* Rename Errors1 to Errors in parser project

* Delete LambdaConverter dll from installer

* Update language integrator to load *Language.dll files

* Move lambda converter project to pascal lanuage dir

* Revert "Delete LambdaConverter dll from installer"

This reverts commit dd56f559ebe4f8c4c5c33752d44e6953001b96a5.

* Switch off VBNETParser building

* Delete syntax tree converters controller

* Delete lambda converter dll from repository

* Reorganize syntax tree to semantic tree conversion stage

* Add BaseLanguage class to make language initialization more neat

* Delete syntax tree post processors entity from ILanguage and refactor ABCStatistics calls

* Add new IDocParser interface for documentation comments parser

* Clean up folders

* Add helper data structures to reduce parameters amount in CompileInterface and CompileImplementation

* Add documentation to language classes

* Move Union struct in global namespace and project (ParserTools)

* Add more comments and a safe select language method

* Rename SemanticRules class

* Fix directives format null bug

* Add System.Linq ref to LanguageIntegrator

* Delete SyntaxToSemanticTreeConverter interface

* Add BaseSyntaxTreeConverter

* Call safe select language method in intellisence

* Delete source files providers from parsers

* Rename GetSyntaxTree method

* Change Prebuild tree to be virtual - not abstract

* Refresh documentation a bit

* Add temporary language check for ABCHealth button

* Add parser reference to parser tools

* Move current compilation unit assigning higher to avoid bug with unit check

* Delete null DirectiveInfo's and refactor directives' code

* Add a few more comments
2024-05-25 12:26:32 +03:00

72 lines
2.6 KiB
C#

// Copyright (c) Ivan Bondarev, Stanislav Mikhalkovich (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using System.Collections.Generic;
using System.IO;
using PascalABCCompiler.Errors;
namespace Languages.Facade
{
/// <summary>
/// Хранилище языков, поддерживаемых платформой (Singletone)
/// </summary>
public class LanguageProvider
{
private static readonly Lazy<LanguageProvider> lazyInstanceWrapper = new Lazy<LanguageProvider>(() => new LanguageProvider(), true);
public static LanguageProvider Instance { get { return lazyInstanceWrapper.Value; } }
/// <summary>
/// Список всех языков, заполняется классом LanguageIntegrator
/// </summary>
public List<ILanguage> Languages { get; private set; } = new List<ILanguage>();
/// <summary>
/// Выбор языка по расширению файла - бросает ошибку некорректного расширения
/// </summary>
/// <param name="fileName">Имя файла</param>
/// <returns></returns>
/// <exception cref="ParserBadFileExtension"></exception>
public ILanguage SelectLanguageByExtension(string fileName)
{
return SelectLanguageByExtensionSafe(fileName) ?? throw new ParserBadFileExtension(fileName);
}
/// <summary>
/// Выбор языка по расширению файла - возвращает null, если расширение не то
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public ILanguage SelectLanguageByExtensionSafe(string fileName)
{
string extension = Path.GetExtension(fileName).ToLower();
foreach (ILanguage language in Languages)
foreach (string langExtension in language.FilesExtensions)
if (langExtension == extension)
return language;
return null;
}
/// <summary>
/// Выбор языка по имени (ILanguage.Name)
/// </summary>
/// <param name="languageName">Имя языка</param>
/// <returns></returns>
public ILanguage SelectLanguageByName(string languageName)
{
foreach (ILanguage language in Languages)
if (language.Name == languageName)
return language;
return null;
}
}
}