Package org.codehaus.groovy.antlr

Examples of org.codehaus.groovy.antlr.AntlrASTProcessor

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        // which is a really nice way of seeing the AST, folding nodes etc
        if ("mindmap".equals(System.getProperty("antlr.ast"))) {
            try {
                PrintStream out = new PrintStream(new FileOutputStream(filename + ".mm"));
                Visitor visitor = new MindMapPrinter(out,tokenNames);
                AntlrASTProcessor treewalker = new PreOrderTraversal(visitor);
                treewalker.process(ast);
            } catch (FileNotFoundException e) {
                System.out.println("Cannot create " + filename + ".mm");
            }
        }
       
        // modify the Java AST into a Groovy AST
        modifyJavaASTintoGroovyAST(tokenNames, ast);
        String[] groovyTokenNames = getGroovyTokenNames(input);
        // groovify the fat Java-Like Groovy AST
        groovifyFatJavaLikeGroovyAST(ast, groovyTokenNames);

        // now output       
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Visitor visitor = new SourcePrinter(new PrintStream(baos),groovyTokenNames, withNewLines);
        AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);

        traverser.process(ast);
       
        String header = "";
        if (withHeader) {
          header = "/*\n" +
                  "  Automatically Converted from Java Source \n" +
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   * @param ast
   * @param groovyTokenNames
   */
  private static void groovifyFatJavaLikeGroovyAST(AST ast, String[] groovyTokenNames) {
    Visitor groovifier = new Groovifier(groovyTokenNames);
        AntlrASTProcessor groovifierTraverser = new PreOrderTraversal(groovifier);
        groovifierTraverser.process(ast);
  }
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   * @param ast
   */
  private static void modifyJavaASTintoGroovyAST(String[] tokenNames, AST ast) {
    // mutate the tree when in Javaland
    Visitor preJava2groovyConverter = new PreJava2GroovyConverter(tokenNames);
    AntlrASTProcessor preJava2groovyTraverser = new PreOrderTraversal(preJava2groovyConverter);
    preJava2groovyTraverser.process(ast);

        // map the nodes to Groovy types
        Visitor java2groovyConverter = new Java2GroovyConverter(tokenNames);
        AntlrASTProcessor java2groovyTraverser = new PreOrderTraversal(java2groovyConverter);
        java2groovyTraverser.process(ast);
  }
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        groovifyFatJavaLikeGroovyAST(ast, groovyTokenNames);

        // now output       
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Visitor visitor = new MindMapPrinter(new PrintStream(baos),groovyTokenNames);
        AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);

        traverser.process(ast);
       
        return new String(baos.toByteArray());
    }
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        groovifyFatJavaLikeGroovyAST(ast, groovyTokenNames);

        // now output       
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Visitor visitor = new NodePrinter(new PrintStream(baos),groovyTokenNames);
        AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);

        traverser.process(ast);
       
        return new String(baos.toByteArray());
    }
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    public AST process(AST t) {
        GroovySourceAST node = (GroovySourceAST) t;

        // fetch all the nodes in this AST into a List
        NodeCollector collector = new NodeCollector();
        AntlrASTProcessor internalTraversal = new PreOrderTraversal(collector);
        internalTraversal.process(t);
        List listOfAllNodesInThisAST = collector.getNodes();
       
        // process each node in turn
        setUp(node);       
        Iterator itr = listOfAllNodesInThisAST.iterator();
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        parser.compilationUnit();
        AST ast = parser.getAST();

        // determine direct result
        Visitor directVisitor = new SourcePrinter(new PrintStream(baos), tokenNames, false);
        AntlrASTProcessor traverser = new SourceCodeTraversal(directVisitor);
        traverser.process(ast);
        String directResult = new String(baos.toByteArray());

        // determine composite result
        baos.reset();
        List wrappedVisitors = new ArrayList();
        wrappedVisitors.add(directVisitor);
        Visitor compositeVisitor = new CompositeVisitor(wrappedVisitors);
        traverser = new SourceCodeTraversal(compositeVisitor);
        traverser.process(ast);
        String compositeResult = new String(baos.toByteArray());

        assertEquals(directResult, compositeResult);
    }
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        }
        AST ast = parser.getAST();

        // modify the Java AST into a Groovy AST (just token types)
        Visitor java2groovyConverter = new Java2GroovyConverter(tokenNames);
        AntlrASTProcessor java2groovyTraverser = new PreOrderTraversal(java2groovyConverter);
        java2groovyTraverser.process(ast);

        // now mutate (groovify) the ast into groovy
        Visitor groovifier = new Groovifier(tokenNames, false);
        AntlrASTProcessor groovifierTraverser = new PreOrderTraversal(groovifier);
        groovifierTraverser.process(ast);

        // now do the business    
        Visitor visitor = new SimpleGroovyClassDocAssembler(packagePath, file, sourceBuffer, links, properties, false);
        AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);

        traverser.process(ast);

        return ((SimpleGroovyClassDocAssembler) visitor).getGroovyClassDocs();
    }
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        }
        AST ast = parser.getAST();

        // now do the business
        Visitor visitor = new SimpleGroovyClassDocAssembler(packagePath, file, sourceBuffer, links, properties, true);
        AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);
        traverser.process(ast);
        return ((SimpleGroovyClassDocAssembler) visitor).getGroovyClassDocs();
    }
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        groovifyFatJavaLikeGroovyAST(ast, groovyTokenNames);

        // now output
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Visitor visitor = new NodePrinter(new PrintStream(baos), groovyTokenNames);
        AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);

        traverser.process(ast);

        return new String(baos.toByteArray());
    }
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Related Classes of org.codehaus.groovy.antlr.AntlrASTProcessor

  • org.codehaus.groovy.antlr.java.Java2GroovyMain
  • org.codehaus.groovy.antlr.java.Java2GroovyProcessor
  • org.codehaus.groovy.antlr.treewalker.CompositeVisitorTest
  • org.codehaus.groovy.antlr.treewalker.FlatNodeListTraversal
  • org.codehaus.groovy.antlr.treewalker.LineColumnTest
  • org.codehaus.groovy.antlr.treewalker.TraversalTestHelper
  • org.codehaus.groovy.tools.groovydoc.GroovyRootDocBuilder
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