Examples of org.antlr.v4.parse.ToolANTLRParser

org.antlr.v4.runtime.ParserRuleContext
Override error handling for use with ANTLR tool itself; leaves nothing in grammar associated with Tool so others can use in IDEs, ...

    try {
      GrammarASTAdaptor adaptor = new GrammarASTAdaptor(in);
      ToolANTLRLexer lexer = new ToolANTLRLexer(in, this);
      CommonTokenStream tokens = new CommonTokenStream(lexer);
      lexer.tokens = tokens;
      ToolANTLRParser p = new ToolANTLRParser(tokens, this);
      p.setTreeAdaptor(adaptor);
      try {
        ParserRuleReturnScope r = p.grammarSpec();
        GrammarAST root = (GrammarAST)r.getTree();
        if ( root instanceof GrammarRootAST) {
          ((GrammarRootAST)root).hasErrors = lexer.getNumberOfSyntaxErrors()>0 || p.getNumberOfSyntaxErrors()>0;
          assert ((GrammarRootAST)root).tokenStream == tokens;
          if ( grammarOptions!=null ) {
            ((GrammarRootAST)root).cmdLineOptions = grammarOptions;
          }
          return ((GrammarRootAST)root);

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  public RuleAST parseArtificialRule(final Grammar g, String ruleText) {
    ANTLRLexer lexer = new ANTLRLexer(new ANTLRStringStream(ruleText));
    GrammarASTAdaptor adaptor = new GrammarASTAdaptor(lexer.getCharStream());
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    lexer.tokens = tokens;
    ToolANTLRParser p = new ToolANTLRParser(tokens, tool);
    p.setTreeAdaptor(adaptor);
    Token ruleStart = null;
    try {
      ParserRuleReturnScope r = p.rule();
      RuleAST tree = (RuleAST)r.getTree();
      ruleStart = (Token)r.getStart();
      GrammarTransformPipeline.setGrammarPtr(g, tree);
      GrammarTransformPipeline.augmentTokensWithOriginalPosition(g, tree);
      return tree;

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    ClassUtils cu = new ClassUtils();
    setup(cu);
    registry.clearForType(JavaCompletionTypes.CUSTOM_TYPE);
    registry.clearForType(JavaCompletionTypes.FIELD);
    registry.clearForType(JavaCompletionTypes.NAME);
    Lexer lexer = new JavaLexer(new ANTLRInputStream(txt));
    CommonTokenStream tokens = new CommonTokenStream(lexer);


    // Create a parser that reads from the scanner
    JavaParser parser = new JavaParser(tokens);
    parser.removeErrorListeners();

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  @Test
  public void Process() throws IOException {
    InputStream is = CheckSymbols.class.getResource("/Mson.js")
        .openStream();
    ANTLRInputStream input = new ANTLRInputStream(is);
    MsonLexer lexer = new MsonLexer(input);
//    SymbolASTFactory factory = new SymbolASTFactory();
//    lexer.setTokenFactory(factory);
    CommonTokenStream tokens = new CommonTokenStream(lexer);

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    setup(cu);
    registry.clearForType(JavaCompletionTypes.CUSTOM_TYPE);
    registry.clearForType(JavaCompletionTypes.FIELD);
    registry.clearForType(JavaCompletionTypes.NAME);
    Lexer lexer = new JavaLexer(new ANTLRInputStream(txt));
    CommonTokenStream tokens = new CommonTokenStream(lexer);


    // Create a parser that reads from the scanner
    JavaParser parser = new JavaParser(tokens);
    parser.removeErrorListeners();

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        .openStream();
    ANTLRInputStream input = new ANTLRInputStream(is);
    MsonLexer lexer = new MsonLexer(input);
//    SymbolASTFactory factory = new SymbolASTFactory();
//    lexer.setTokenFactory(factory);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    
    MsonParser parser = new MsonParser(tokens);
//    parser.setTokenFactory(factory);
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(

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//    lexer.setTokenFactory(factory);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    
    MsonParser parser = new MsonParser(tokens);
//    parser.setTokenFactory(factory);
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(
        PredictionMode.LL_EXACT_AMBIG_DETECTION);
    parser.setBuildParseTree(true);
    ParseTree tree = parser.mson();
    // show tree in text form

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    ClassUtils cu = new ClassUtils();
    setup(cu);
    registry.clearForType(JavaCompletionTypes.CUSTOM_TYPE);
    registry.clearForType(JavaCompletionTypes.FIELD);
    registry.clearForType(JavaCompletionTypes.NAME);
    Lexer lexer = new JavaLexer(new ANTLRInputStream(txt));
    CommonTokenStream tokens = new CommonTokenStream(lexer);


    // Create a parser that reads from the scanner
    JavaParser parser = new JavaParser(tokens);
    parser.removeErrorListeners();

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    // Create a parser that reads from the scanner
    JavaParser parser = new JavaParser(tokens);
    parser.removeErrorListeners();
    
    // start parsing at the compilationUnit rule
    ParserRuleContext t = parser.compilationUnit();
    ParseTreeWalker walker = new ParseTreeWalker();
    List<AutocompleteCandidate> q = new ArrayList<AutocompleteCandidate>();
          
    ImportDeclarationCompletion extractor = new ImportDeclarationCompletion(txt,cur,registry,cps,cu);
    NameBuilder extractor2 = new NameBuilder(registry,cu );

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    isKeywords = false;
  }


  @Override
  public void enterPackage(@NotNull PackageContext ctx) {
    ParserRuleContext prc = ctx.getParent();
    if (!(prc instanceof DomainArrayContext)) {
      return;
    }
    DomainArrayContext dac = (DomainArrayContext) prc;
    DomainHeaderContext dhctx = (DomainHeaderContext) dac.getChild(0);

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Related Classes of org.antlr.v4.parse.ToolANTLRParser

org.antlr.runtime.ANTLRFileStream

org.antlr.runtime.ANTLRStringStream

org.antlr.runtime.CharStream

org.antlr.runtime.CommonToken

org.antlr.runtime.Token

org.antlr.runtime.tree.CommonTree

org.antlr.runtime.tree.CommonTreeNodeStream

org.antlr.runtime.tree.Tree

org.antlr.runtime.tree.TreeVisitor

org.antlr.runtime.tree.TreeVisitorAction

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