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".toLowerCase()))) { // uppercase to hide from jarjar
            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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        return header + new String(baos.toByteArray());
    }

    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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    }

    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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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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