EvilBeaver/OneScript: Исполняющая среда скриптов на языке 1С

src/OneScript.Native/Compiler/NativeRuntimeAnnotationHandler.cs

49 строк2 KB

EvilBeaver

Несколько переименований и перемещений для разделения компиляторов

15 ноя 2021, 22:27

15 ноя 2021, 22:27cfc291d

/*----------------------------------------------------------
This Source Code Form is subject to the terms of the
Mozilla Public License, v.2.0. If a copy of the MPL
was not distributed with this file, You can obtain one
at http://mozilla.org/MPL/2.0/.
----------------------------------------------------------*/

using System;
using OneScript.Language.LexicalAnalysis;
using OneScript.Language.SyntaxAnalysis;
using OneScript.Language.SyntaxAnalysis.AstNodes;

namespace OneScript.Native.Compiler
{
    public class NativeRuntimeAnnotationHandler : ModuleAnnotationDirectiveHandler
    {
        private readonly ILexer _allLineContentLexer;
        
        public NativeRuntimeAnnotationHandler(IErrorSink errorSink) : base(errorSink)
        {
            var builder = new LexerBuilder();
            builder.Detect((cs, i) => !char.IsWhiteSpace(cs))
                .HandleWith(new WordLexerState());

            _allLineContentLexer = builder.Build();
        }

        protected override bool DirectiveSupported(string directive)
        {
            return string.Equals(directive, "native", StringComparison.CurrentCultureIgnoreCase);
        }

        protected override void ParseAnnotationInternal(ref Lexem lastExtractedLexem, ILexer lexer, ParserContext parserContext)
        {
            var node = new PreprocessorDirectiveNode(lastExtractedLexem);
            _allLineContentLexer.Iterator = lexer.Iterator;

            lastExtractedLexem = _allLineContentLexer.NextLexemOnSameLine();
            if (lastExtractedLexem.Type != LexemType.EndOfText)
            {
                var child = new TerminalNode(NodeKind.Unknown, lastExtractedLexem);
                node.AddChild(child);
            }

            lastExtractedLexem = lexer.NextLexem();
            parserContext.AddChild(node);
        }
    }
}