Package com.intellij.lexer

Examples of com.intellij.lexer.Lexer

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    myRuleExtendsMap = myGraphHelper.getRuleExtendsMap();
    myExpressionHelper = ExpressionHelper.getCached(myFile);

    myTokenTypeText = getRootAttribute(myFile, KnownAttribute.ELEMENT_TYPE_PREFIX);

    Lexer lexer = ((PsiBuilderImpl)builder).getLexer();
    if (lexer instanceof LivePreviewLexer) {
      for (LivePreviewLexer.Token type : ((LivePreviewLexer)lexer).getTokens()) {
        myElementTypes.put(type.constantName, type.tokenType);
      }
    }
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      return myModel.third.trySetupPsiForFile(new LightVirtualFile(name, language, text), language, true, false);
    }

    protected ASTNode createAST(@NotNull String text, @NotNull ParserDefinition definition) {
      PsiParser parser = definition.createParser(getProject());
      Lexer lexer = definition.createLexer(getProject());
      PsiBuilderImpl psiBuilder = new PsiBuilderImpl(getProject(), null, definition, lexer, new CharTableImpl(), text, null, null);
      return parser.parse(definition.getFileNodeType(), psiBuilder);
    }
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    //  }
    //});
  }

  public static boolean collectExpressionsAtOffset(Project project, Editor previewEditor, LivePreviewLanguage language, final PairProcessor<BnfExpression, Boolean> processor) {
    Lexer lexer = new LivePreviewLexer(project, language);
    final ParserDefinition parserDefinition = LanguageParserDefinitions.INSTANCE.forLanguage(language);
    final PsiBuilder builder = PsiBuilderFactory.getInstance().createBuilder(parserDefinition, lexer, previewEditor.getDocument().getText());
    final int caretOffset = previewEditor.getCaretModel().getOffset();
    final PsiParser parser = new LivePreviewParser(project, language) {
      @Override
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    public PsiFile createFile(FileViewProvider fileViewProvider) {
        return new NginxPsiFileImpl(fileViewProvider);
    }

    public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) {
        final Lexer lexer = createLexer(left.getPsi().getProject());
        return LanguageUtil.canStickTokensTogetherByLexer(left, right, lexer);
    }
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    LOG.assertTrue(start <= end);
    List<TextChunk> result = new ArrayList<TextChunk>();

    appendPrefix(result);

    Lexer lexer = highlighter.getHighlightingLexer();
    lexer.start(chars, 0, chars.length(), 0);

    for (int offset = start; offset < end; offset++) {
      if (chars.charAt(offset) == '\n') {
        end = offset;
        break;
      }
    }

    boolean isBeginning = true;

    while (lexer.getTokenType() != null) {
      try {
        int hiStart = lexer.getTokenStart();
        int hiEnd = lexer.getTokenEnd();

        if (hiStart >= end) break;

        hiStart = Math.max(hiStart, start);
        hiEnd = Math.min(hiEnd, end);
        if (hiStart >= hiEnd) { continue; }

        String text = chars.subSequence(hiStart, hiEnd).toString();
        if (isBeginning && text.trim().length() == 0) continue;
        isBeginning = false;
        IElementType tokenType = lexer.getTokenType();
        TextAttributesKey[] tokenHighlights = highlighter.getTokenHighlights(tokenType);

        processIntersectingRange(chars, hiStart, hiEnd, tokenHighlights, result);
        //result.add(new TextChunk(convertAttributes(tokenHighlights), text));
      }
      finally {
        lexer.advance();
      }
    }

    return result.toArray(new TextChunk[result.size()]);
  }
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public class ClojureNamesUtil {

  public static boolean isIdentifier(String text) {
    ApplicationManager.getApplication().assertReadAccessAllowed();
    if (text == null) return false;
    Lexer lexer = new ClojureFlexLexer();
    lexer.start(text, 0, text.length(), 0);
    if (lexer.getTokenType() != ClojureTokenTypes.symATOM) return false;
    lexer.advance();
    return lexer.getTokenType() == null;
  }
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    doTest(":a,", "key {:a}\n" +
        ", {,}");
  }

  private void doTest(String fileText, String tokens) {
    Lexer lexer = new ClojureFlexLexer();
    lexer.start(fileText.trim());

    StringBuilder buffer = new StringBuilder();

    IElementType type;
    while ((type = lexer.getTokenType()) != null) {
      CharSequence s = lexer.getBufferSequence();
      s = s.subSequence(lexer.getTokenStart(), lexer.getTokenEnd());
      buffer.append(type.toString()).append(" {").append(s).append("}");
      lexer.advance();
      if (lexer.getTokenType() != null) {
        buffer.append("\n");
      }
    }

    Assert.assertEquals(tokens, buffer.toString());
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  • com.intellij.coldFusion.CfmlLexerTest
  • com.intellij.coldFusion.CfscriptLexerTest
  • com.intellij.coldFusion.model.psi.CfmlIndexPatternBuilder
  • com.intellij.lang.ognl.OgnlParserDefinition
  • com.intellij.usages.ChunkExtractor
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  • net.ishchenko.idea.nginx.parser.NginxParserDefinition
  • net.vektah.codeglance.render.Minimap
  • org.intellij.grammar.LightPsi$MyParsing
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