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namespace Tvl.VisualStudio.Language.Java
{
using Antlr4.Runtime;
using Microsoft.VisualStudio.Language.StandardClassification;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Classification;
using Tvl.VisualStudio.Language.Parsing4;
internal sealed class JavaClassifier : AntlrClassifierBase<SimpleLexerState>
{
private readonly IStandardClassificationService _standardClassificationService;
private readonly IClassificationTypeRegistryService _classificationTypeRegistryService;
private readonly IClassificationType _docCommentText;
private readonly IClassificationType _docCommentTag;
private readonly IClassificationType _docCommentInvalidTag;
public JavaClassifier(ITextBuffer textBuffer, IStandardClassificationService standardClassificationService, IClassificationTypeRegistryService classificationTypeRegistryService)
: base(textBuffer)
{
this._standardClassificationService = standardClassificationService;
this._classificationTypeRegistryService = classificationTypeRegistryService;
this._docCommentText = this._classificationTypeRegistryService.GetClassificationType(JavaClassificationTypeNames.DocCommentText);
this._docCommentTag = this._classificationTypeRegistryService.GetClassificationType(JavaClassificationTypeNames.DocCommentTag);
this._docCommentInvalidTag = this._classificationTypeRegistryService.GetClassificationType(JavaClassificationTypeNames.DocCommentInvalidTag);
}
protected override SimpleLexerState GetStartState()
{
return SimpleLexerState.Initial;
}
protected override ITokenSourceWithState<SimpleLexerState> CreateLexer(ICharStream input, int startLine, SimpleLexerState state)
{
var lexer = new JavaColorizerLexer2(new JavaUnicodeStreamV4(input));
lexer.Line = startLine;
lexer.Column = 0;
state.Apply(lexer);
return lexer;
}
protected override IClassificationType ClassifyToken(IToken token)
{
switch (token.Type)
{
#if false // operator coloring was just annoying
case JavaColorizerLexer2.EQ:
case JavaColorizerLexer2.NEQ:
case JavaColorizerLexer2.EQEQ:
case JavaColorizerLexer2.PLUS:
case JavaColorizerLexer2.PLUSEQ:
case JavaColorizerLexer2.MINUS:
case JavaColorizerLexer2.MINUSEQ:
case JavaColorizerLexer2.TIMES:
case JavaColorizerLexer2.TIMESEQ:
case JavaColorizerLexer2.DIV:
case JavaColorizerLexer2.DIVEQ:
case JavaColorizerLexer2.LT:
case JavaColorizerLexer2.GT:
case JavaColorizerLexer2.LE:
case JavaColorizerLexer2.GE:
case JavaColorizerLexer2.NOT:
case JavaColorizerLexer2.BITNOT:
case JavaColorizerLexer2.AND:
case JavaColorizerLexer2.BITAND:
case JavaColorizerLexer2.ANDEQ:
case JavaColorizerLexer2.QUES:
case JavaColorizerLexer2.OR:
case JavaColorizerLexer2.BITOR:
case JavaColorizerLexer2.OREQ:
case JavaColorizerLexer2.COLON:
case JavaColorizerLexer2.INC:
case JavaColorizerLexer2.DEC:
case JavaColorizerLexer2.XOR:
case JavaColorizerLexer2.XOREQ:
case JavaColorizerLexer2.MOD:
case JavaColorizerLexer2.MODEQ:
case JavaColorizerLexer2.LSHIFT:
case JavaColorizerLexer2.RSHIFT:
case JavaColorizerLexer2.LSHIFTEQ:
case JavaColorizerLexer2.RSHIFTEQ:
case JavaColorizerLexer2.ROR:
case JavaColorizerLexer2.ROREQ:
return _standardClassificationService.Operator;
#endif
case JavaColorizerLexer2.CHAR_LITERAL:
//return _standardClassificationService.CharacterLiteral;
return _standardClassificationService.StringLiteral;
case JavaColorizerLexer2.STRING_LITERAL:
return _standardClassificationService.StringLiteral;
case JavaColorizerLexer2.NUMBER:
return _standardClassificationService.NumberLiteral;
case JavaColorizerLexer2.ABSTRACT:
case JavaColorizerLexer2.ASSERT:
case JavaColorizerLexer2.BOOLEAN:
case JavaColorizerLexer2.BREAK:
case JavaColorizerLexer2.BYTE:
case JavaColorizerLexer2.CASE:
case JavaColorizerLexer2.CATCH:
case JavaColorizerLexer2.CHAR:
case JavaColorizerLexer2.CLASS:
case JavaColorizerLexer2.CONST:
case JavaColorizerLexer2.CONTINUE:
case JavaColorizerLexer2.DEFAULT:
case JavaColorizerLexer2.DO:
case JavaColorizerLexer2.DOUBLE:
case JavaColorizerLexer2.ELSE:
case JavaColorizerLexer2.ENUM:
case JavaColorizerLexer2.EXTENDS:
case JavaColorizerLexer2.FINAL:
case JavaColorizerLexer2.FINALLY:
case JavaColorizerLexer2.FLOAT:
case JavaColorizerLexer2.FOR:
case JavaColorizerLexer2.IF:
case JavaColorizerLexer2.GOTO:
case JavaColorizerLexer2.IMPLEMENTS:
case JavaColorizerLexer2.IMPORT:
case JavaColorizerLexer2.INSTANCEOF:
case JavaColorizerLexer2.INT:
case JavaColorizerLexer2.INTERFACE:
case JavaColorizerLexer2.LONG:
case JavaColorizerLexer2.NATIVE:
case JavaColorizerLexer2.NEW:
case JavaColorizerLexer2.PACKAGE:
case JavaColorizerLexer2.PRIVATE:
case JavaColorizerLexer2.PROTECTED:
case JavaColorizerLexer2.PUBLIC:
case JavaColorizerLexer2.RETURN:
case JavaColorizerLexer2.SHORT:
case JavaColorizerLexer2.STATIC:
case JavaColorizerLexer2.STRICTFP:
case JavaColorizerLexer2.SUPER:
case JavaColorizerLexer2.SWITCH:
case JavaColorizerLexer2.SYNCHRONIZED:
case JavaColorizerLexer2.THIS:
case JavaColorizerLexer2.THROW:
case JavaColorizerLexer2.THROWS:
case JavaColorizerLexer2.TRANSIENT:
case JavaColorizerLexer2.TRY:
case JavaColorizerLexer2.VOID:
case JavaColorizerLexer2.VOLATILE:
case JavaColorizerLexer2.WHILE:
case JavaColorizerLexer2.TRUE:
case JavaColorizerLexer2.FALSE:
case JavaColorizerLexer2.NULL:
return _standardClassificationService.Keyword;
case JavaColorizerLexer2.IDENTIFIER:
return _standardClassificationService.Identifier;
case JavaColorizerLexer2.COMMENT:
case JavaColorizerLexer2.ML_COMMENT:
return _standardClassificationService.Comment;
case JavaColorizerLexer2.DOC_COMMENT_TEXT:
return _docCommentText;
case JavaColorizerLexer2.DOC_COMMENT_TAG:
case JavaColorizerLexer2.DOC_COMMENT_INVALID_TAG:
return _docCommentTag;
default:
return null;
}
}
}
}