Examples of org.antlr.Tool

org.antlr.Tool
The main ANTLR entry point. Read a grammar and generate a parser.

            "options {output=AST;}\n" +
            "a : ^(. INT) \n" +
            "  ;\n";


        Grammar g = new Grammar(treeGrammar);
        Tool antlr = newTool();
        antlr.setOutputDirectory(null); // write to /dev/null
        CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
        g.setCodeGenerator(generator);
        generator.genRecognizer();


        assertEquals("unexpected errors: "+equeue, 1, equeue.errors.size());

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      options.toArray(optionsA);
      /*
      final ErrorQueue equeue = new ErrorQueue();
      ErrorManager.setErrorListener(equeue);
      */
      Tool antlr = newTool(optionsA);
      antlr.process();
      ANTLRErrorListener listener = ErrorManager.getErrorListener();
      if ( listener instanceof ErrorQueue ) {
        ErrorQueue equeue = (ErrorQueue)listener;
        if ( equeue.errors.size()>0 ) {
          allIsWell = false;

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        ErrorManager.resetErrorState();
        STGroup.defaultGroup = new STGroup();
    }


    protected Tool newTool(String[] args) {
    Tool tool = new Tool(args);
    tool.setOutputDirectory(tmpdir);
    return tool;
  }

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    tool.setOutputDirectory(tmpdir);
    return tool;
  }


  protected Tool newTool() {
    Tool tool = new Tool();
    tool.setOutputDirectory(tmpdir);
    return tool;
  }

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        "scope Symbols {\n" +
        "  int n;\n" +
        "}\n" +
        "a : {'+action+'}\n" +
        "  ;\n");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator =
      new ActionTranslator(generator,

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        "  int n;\n" +
        "} : b\n" +
        "  ;\n" +
        "b : {'+action+'}\n" +
        "  ;\n");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    ActionTranslator translator =
      new ActionTranslator(generator,
        "b",
        new CommonToken(ANTLRParser.ACTION,action),1);

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    ErrorQueue equeue = new ErrorQueue();
    ErrorManager.setErrorListener(equeue);
    Grammar g = new Grammar(
      "parser grammar t;\n"+
        "a : ids+=ID ( COMMA ids+=ID {"+action+"})* ;\n");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator =
      new ActionTranslator(generator,

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    ErrorManager.setErrorListener(equeue);
    Grammar g = new Grammar(
      "grammar t;\n"+
        "a : ids+='if' ( ',' ids+=ID {"+action+"})* ;" +
        "ID : 'a';\n");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator =
      new ActionTranslator(generator,

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    ErrorManager.setErrorListener(equeue);
    Grammar g = new Grammar(
      "grammar t;\n"+
        "a : ids+=('a'|'b') ( ',' ids+=ID {"+action+"})* ;" +
        "ID : 'a';\n");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator =
      new ActionTranslator(generator,

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    ErrorManager.setErrorListener(equeue);
    Grammar g = new Grammar(
      "grammar t;\n"+
        "a : ids+=. ( ',' ids+=ID {"+action+"})* ;" +
        "ID : 'a';\n");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    ActionTranslator translator =
      new ActionTranslator(generator,
        "a",
        new CommonToken(ANTLRParser.ACTION,action),1);

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Related Classes of org.antlr.Tool

org.antlr.codegen.CodeGenerator

org.antlr.misc.Graph

org.antlr.mojo.antlr3.Antlr3Mojo

org.antlr.test.BaseTest

org.antlr.test.TestAttributes

org.antlr.test.TestCompositeGrammars

org.antlr.test.TestDFAConversion

org.antlr.test.TestLexer

org.antlr.test.TestMessages

org.antlr.test.TestRewriteAST

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