Package org.codehaus.groovy.antlr.parser

Examples of org.codehaus.groovy.antlr.parser.GroovyRecognizer

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    // Here's where we do the real work...
    public static void parseFile(String f, GroovyLexer l, SourceBuffer sourceBuffer)
                                 throws Exception {
        try {
            // Create a parser that reads from the scanner
            GroovyRecognizer parser = GroovyRecognizer.make(l);
            parser.setSourceBuffer(sourceBuffer);
            parser.setFilename(f);
                       
                        if (whitespaceIncluded) {
                            GroovyLexer lexer = parser.getLexer();
                            lexer.setWhitespaceIncluded(true);
                            while (true) {
                                Token t = lexer.nextToken();
                                System.out.println(t);
                                if (t == null || t.getType() == Token.EOF_TYPE)  break;
                            }
                            return;
                        }

            // start parsing at the compilationUnit rule
            parser.compilationUnit();
           
            System.out.println("parseFile "+f+" => "+parser.getAST());

            // do something with the tree
            doTreeAction(f, parser.getAST(), parser.getTokenNames());
        }
        catch (Exception e) {
            System.err.println("parser exception: "+e);
            e.printStackTrace();   // so we can get stack trace       
        }
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    public String traverse(String input, Class visitorClass, Boolean extraParam) throws Exception {
        if (!Visitor.class.isAssignableFrom(visitorClass)) {
            throw new RuntimeException("Invalid class for traversal: " + visitorClass.getName());
        }
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        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();
        Class[] paramTypes;
        Object[] params;
        if (extraParam == null) {
            paramTypes = new Class[]{PrintStream.class, String[].class};
            params = new Object[]{new PrintStream(baos), tokenNames};
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                "\n" +
                "foo()");
    }

    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);
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        assertCompositeTransparency("def x = \"${foo.bar}\"");
    }

    private void assertCompositeTransparency(String input) throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        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();

        // determine direct result
        Visitor directVisitor = new SourcePrinter(new PrintStream(baos), tokenNames, false);
        AntlrASTProcessor traverser = new SourceCodeTraversal(directVisitor);
        traverser.process(ast);
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  // Here's where we do the real work...
  public static void parseFile(String f, GroovyLexer l, SourceBuffer sourceBuffer)
                 throws Exception {
    try {
      // Create a parser that reads from the scanner
      GroovyRecognizer parser = GroovyRecognizer.make(l);
            parser.setSourceBuffer(sourceBuffer);
      parser.setFilename(f);
                       
                        if (whitespaceIncluded) {
                            GroovyLexer lexer = parser.getLexer();
                            lexer.setWhitespaceIncluded(true);
                            while (true) {
                                Token t = lexer.nextToken();
                                System.out.println(t);
                                if (t == null || t.getType() == Token.EOF_TYPE)  break;
                            }
                            return;
                        }

      // start parsing at the compilationUnit rule
      parser.compilationUnit();
     
      System.out.println("parseFile "+f+" => "+parser.getAST());

      // do something with the tree
      doTreeAction(f, parser.getAST(), parser.getTokenNames());
    }
    catch (Exception e) {
      System.err.println("parser exception: "+e);
      e.printStackTrace();   // so we can get stack trace   
    }
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        final SourceBuffer sourceBuffer = new SourceBuffer();
        UnicodeEscapingReader unicodeReader = new UnicodeEscapingReader(reader,sourceBuffer);
        GroovyLexer lexer = new GroovyLexer(unicodeReader);
        unicodeReader.setLexer(lexer);
        GroovyRecognizer parser = GroovyRecognizer.make(lexer);
        parser.setSourceBuffer(sourceBuffer);
        tokenNames = parser.getTokenNames();
        parser.setFilename(sourceUnit.getName());

        // start parsing at the compilationUnit rule
        try {
            parser.compilationUnit();
        }
        catch (TokenStreamRecognitionException tsre) {
            RecognitionException e = tsre.recog;
            SyntaxException se = new SyntaxException(e.getMessage(),e,e.getLine(),e.getColumn());
            se.setFatal(true);
            sourceUnit.addError(se);
        }
        catch (RecognitionException e) {
            SyntaxException se = new SyntaxException(e.getMessage(),e,e.getLine(),e.getColumn());
            se.setFatal(true);
            sourceUnit.addError(se);
        }
        catch (TokenStreamException e) {
            sourceUnit.addException(e);
        }

        ast = parser.getAST();

        AntlrASTProcessor snippets = new AntlrASTProcessSnippets(sourceBuffer);
        ast = snippets.process(ast);
       
        AccessController.doPrivileged(new PrivilegedAction() {
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        return ((SimpleGroovyClassDocAssembler) visitor).getGroovyClassDocs();
  }
 
  private Map parseGroovy(String packagePath, String file, String src) throws RecognitionException, TokenStreamException {
        SourceBuffer sourceBuffer = new SourceBuffer();
        GroovyRecognizer parser = getGroovyParser(src, sourceBuffer);
        String[] tokenNames = parser.getTokenNames();
        parser.compilationUnit();
        AST ast = parser.getAST();

        // now do the business
        Visitor visitor = new SimpleGroovyClassDocAssembler(packagePath, file, sourceBuffer, links);
        AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);
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        parser.setSourceBuffer(sourceBuffer);
    return parser;
  }

  private GroovyRecognizer getGroovyParser(String input, SourceBuffer sourceBuffer) {
    GroovyRecognizer parser = null;
        UnicodeEscapingReader unicodeReader = new UnicodeEscapingReader(new StringReader(input),sourceBuffer);
        GroovyLexer lexer = new GroovyLexer(unicodeReader);
        unicodeReader.setLexer(lexer);
        parser = GroovyRecognizer.make(lexer);
        parser.setSourceBuffer(sourceBuffer);
    return parser;
  }
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        return new String(baos.toByteArray());
    }

  private static String[] getGroovyTokenNames(String input) {
        GroovyRecognizer groovyParser = null;
        SourceBuffer groovySourceBuffer = new SourceBuffer();
        UnicodeEscapingReader groovyUnicodeReader = new UnicodeEscapingReader(new StringReader(input),groovySourceBuffer);
        GroovyLexer groovyLexer = new GroovyLexer(groovyUnicodeReader);
        groovyUnicodeReader.setLexer(groovyLexer);
        groovyParser = GroovyRecognizer.make(groovyLexer);
        return groovyParser.getTokenNames();
  }
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        assertCompositeTransparency("def x = \"${foo.bar}\"");
    }

    private void assertCompositeTransparency(String input) throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        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();

        // determine direct result
        Visitor directVisitor = new SourcePrinter(new PrintStream(baos), tokenNames, false);
        AntlrASTProcessor traverser = new SourceCodeTraversal(directVisitor);
        traverser.process(ast);
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Related Classes of org.codehaus.groovy.antlr.parser.GroovyRecognizer

  • antlr.ASTFactory
  • antlr.ASTPair
  • antlr.collections.AST
  • antlr.collections.impl.ASTArray
  • antlr.CommonToken
  • antlr.Token
  • org.codehaus.groovy.antlr.AntlrParserPlugin
  • org.codehaus.groovy.antlr.java.Java2GroovyMain
  • org.codehaus.groovy.antlr.java.Java2GroovyProcessor
  • org.codehaus.groovy.antlr.Main
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