Examples with AntlrASTProcessor org.codehaus.groovy.antlr.AntlrASTProcessor used on opensource projects

Example 11 with AntlrASTProcessor

use of org.codehaus.groovy.antlr.AntlrASTProcessor in project groovy by apache.

the class Java2GroovyProcessor method modifyJavaASTintoGroovyAST.

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);
}

Example 12 with AntlrASTProcessor

use of org.codehaus.groovy.antlr.AntlrASTProcessor in project groovy by apache.

the class Java2GroovyProcessor method nodePrinter.

public static String nodePrinter(String input) throws Exception {
    JavaRecognizer parser = getJavaParser(input);
    String[] tokenNames = parser.getTokenNames();
    parser.compilationUnit();
    AST ast = parser.getAST();
    // 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 NodePrinter(new PrintStream(baos), groovyTokenNames);
    AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);
    traverser.process(ast);
    return new String(baos.toByteArray());
}

Example 13 with AntlrASTProcessor

use of org.codehaus.groovy.antlr.AntlrASTProcessor in project groovy by apache.

the class FlatNodeListTraversal method process.

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();
    while (itr.hasNext()) {
        GroovySourceAST currentNode = (GroovySourceAST) itr.next();
        accept(currentNode);
    }
    tearDown(node);
    return null;
}

Example 14 with AntlrASTProcessor

use of org.codehaus.groovy.antlr.AntlrASTProcessor in project groovy-core by groovy.

the class LineColumnTest method doStuff.

public void doStuff(String input) throws Exception {
    GroovyRecognizer parser;
    SourceBuffer sourceBuffer = new SourceBuffer();
    UnicodeEscapingReader unicodeReader = new UnicodeEscapingReader(new StringReader(input), sourceBuffer);
    GroovyLexer lexer = new GroovyLexer(unicodeReader);
    unicodeReader.setLexer(lexer);
    parser = GroovyRecognizer.make(lexer);
    parser.setSourceBuffer(sourceBuffer);
    String[] tokenNames = parser.getTokenNames();
    parser.compilationUnit();
    AST ast = parser.getAST();
    AntlrASTProcessor snippets = new AntlrASTProcessSnippets();
    ast = snippets.process(ast);
    Visitor visitor = new LineColumnChecker(sourceBuffer, tokenNames);
    AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);
    traverser.process(ast);
}

Example 15 with AntlrASTProcessor

use of org.codehaus.groovy.antlr.AntlrASTProcessor in project groovy-core by groovy.

the class GroovyRootDocBuilder method parseJava.

private Map<String, GroovyClassDoc> parseJava(String packagePath, String file, String src) throws RecognitionException, TokenStreamException {
    SourceBuffer sourceBuffer = new SourceBuffer();
    JavaRecognizer parser = getJavaParser(src, sourceBuffer);
    String[] tokenNames = parser.getTokenNames();
    try {
        parser.compilationUnit();
    } catch (OutOfMemoryError e) {
        log.error("Out of memory while processing: " + packagePath + "/" + file);
        throw e;
    }
    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();
}