Package org.antlr.grammar.v3

Examples of org.antlr.grammar.v3.CodeGenTreeWalker

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    for (Rule r : rules) {
      // walk all actions within the rule elements, args, and exceptions
      List<GrammarAST> actions = r.getInlineActions();
      for (int i = 0; i < actions.size(); i++) {
        GrammarAST actionAST = actions.get(i);
        ActionAnalysis sniffer =
          new ActionAnalysis(this, r.name, actionAST);
        sniffer.analyze();
      }
      // walk any named actions like @init, @after
      Collection<? extends Object> namedActions = r.getActions().values();
      for (Object namedAction : namedActions) {
        GrammarAST actionAST = (GrammarAST)namedAction;
        ActionAnalysis sniffer =
          new ActionAnalysis(this, r.name, actionAST);
        sniffer.analyze();
      }
    }
  }
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      "    ;");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator = new ActionTranslator(generator,
                                  "rule",
                                  new CommonToken(ANTLRParser.ACTION,action),1);
    String rawTranslation =
      translator.translate();

    int expectedMsgID = ErrorManager.MSG_WRITE_TO_READONLY_ATTR;
    Object expectedArg = "other";
    Object expectedArg2 = "tree";
    GrammarSemanticsMessage expectedMessage =
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                GrammarAST actionTree)
  {
    if ( actionTree.getType()==ANTLRParser.ARG_ACTION ) {
      return translateArgAction(ruleName, actionTree);
    }
    ActionTranslator translator = new ActionTranslator(this,ruleName,actionTree);
    List<Object> chunks = translator.translateToChunks();
    chunks = target.postProcessAction(chunks, actionTree.token);
    return chunks;
  }
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    List<ST> translatedArgs = new ArrayList<ST>();
    for (String arg : args) {
      if ( arg!=null ) {
        Token actionToken =
          new CommonToken(ANTLRParser.ACTION,arg);
        ActionTranslator translator =
          new ActionTranslator(this,ruleName,
                        actionToken,
                        actionTree.outerAltNum);
        List<Object> chunks = translator.translateToChunks();
        chunks = target.postProcessAction(chunks, actionToken);
        ST catST = new ST(templates, "<chunks>");
        catST.add("chunks", chunks);
        translatedArgs.add(catST);
      }
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  @Test public void testEscapedLessThanInAction() throws Exception {
    Grammar g = new Grammar();
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    String action = "i<3; '<xmltag>'";
    ActionTranslator translator = new ActionTranslator(generator,"a",
      new CommonToken(ANTLRParser.ACTION,action),0);
    String expecting = action;
    String rawTranslation =
      translator.translate();
    STGroup templates =
      new STGroup();
    ST actionST = new ST(templates, "<action>");
    actionST.add("action", rawTranslation);
    String found = actionST.render();
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        "        ;");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator =
      new ActionTranslator(generator,
        "a",
        new CommonToken(ANTLRParser.ACTION,action),0);
    String found = translator.translate();    assertEquals(expecting, found);
  }
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        "        ;");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator = new ActionTranslator(generator,"a",
      new CommonToken(ANTLRParser.ACTION,action),1);
    String found = translator.translate();    assertEquals(expecting, found);

    assertEquals("unexpected errors: "+equeue, 0, equeue.errors.size());
  }
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        "        ;");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator = new ActionTranslator(generator,"a",
      new CommonToken(ANTLRParser.ACTION,action),1);
    String rawTranslation =  translator.translate();
    assertEquals(expecting, rawTranslation);

    assertEquals("unexpected errors: "+equeue, 0, equeue.errors.size());
  }
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        "        ;");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator = new ActionTranslator(generator,"a",
      new CommonToken(ANTLRParser.ACTION,action),1);
    String rawTranslation =  translator.translate();
    assertEquals(expecting, rawTranslation);

    List<String> expectArgs = new ArrayList<String>() {
      {add("34");}
      {add("'{'");}
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        "        ;");
    Tool antlr = newTool();
    CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
    g.setCodeGenerator(generator);
    generator.genRecognizer(); // forces load of templates
    ActionTranslator translator = new ActionTranslator(generator,"a",
      new CommonToken(ANTLRParser.ACTION,action),1);
    String rawTranslation =  translator.translate();
    assertEquals(expecting, rawTranslation);

    assertEquals("unexpected errors: "+equeue, 0, equeue.errors.size());
  }
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Related Classes of org.antlr.grammar.v3.CodeGenTreeWalker

  • org.antlr.codegen.CodeGenerator
  • org.antlr.test.TestAttributes
  • org.antlr.test.TestMessages
  • org.antlr.test.TestTemplates
  • org.antlr.tool.CompositeGrammar
  • org.antlr.tool.Grammar
  • org.antlr.tool.Strip
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