Examples of DRLLexer


Examples of org.drools.compiler.lang.DRLLexer

    /** Parse an expression from text */
    public ConstraintConnectiveDescr parse( final String text ) {
        ConstraintConnectiveDescr constraint = null;
        try {
            DRLLexer lexer = DRLFactory.getDRLLexer(new ANTLRStringStream(text), languageLevel);
            CommonTokenStream input = new CommonTokenStream( lexer );
            RecognizerSharedState state = new RecognizerSharedState();
            helper = new ParserHelper( input, state, languageLevel );
            DRLExpressions parser = DRLFactory.getDRLExpressions(input, state, helper, languageLevel);
            parser.setBuildDescr( true );
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Examples of org.drools.lang.DRLLexer

    /** Parse an expression from text */
    public ConstraintConnectiveDescr parse( final String text ) {
        ConstraintConnectiveDescr constraint = null;
        try {
            DRLLexer lexer = new DRLLexer( new ANTLRStringStream( text ) );
            CommonTokenStream input = new CommonTokenStream( lexer );
            RecognizerSharedState state = new RecognizerSharedState();
            helper = new ParserHelper( input,
                                       state );
            DRLExpressions parser = new DRLExpressions( input, state, helper );
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Examples of org.drools.lang.DRLLexer

    /**
     * @return An instance of a RuleParser should you need one (most folks will
     *         not).
     */
    private DRLParser getParser( final String text ) {
        lexer = new DRLLexer( new ANTLRStringStream( text ) );
        DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
        return parser;
    }
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Examples of org.drools.lang.DRLLexer

        return parser;
    }

    private DRLParser getParser( final Reader reader ) {
        try {
            lexer = new DRLLexer( new ANTLRReaderStream( reader ) );
            DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
            return parser;
        } catch ( final Exception e ) {
            throw new RuntimeException( "Unable to parser Reader",
                                        e );
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Examples of org.drools.lang.DRLLexer

            if (encoding != null) {
                antlrInputStream = new ANTLRInputStream(is, encoding);
            } else {
                antlrInputStream = new ANTLRInputStream(is);
            }
            lexer = new DRLLexer(antlrInputStream);
            DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
            return parser;
        } catch ( final Exception e ) {
            throw new RuntimeException( "Unable to parser Reader",
                                        e );
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Examples of org.drools.lang.DRLLexer

                                                              "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n" ) );
                return;
            }

            // TODO: WTH is this??????
            DRLLexer lex = new DRLLexer( new ANTLRStringStream( descr.getExpression() ) );
            boolean isSimpleIdentifier = false;
            try {
                lex.mID();
                isSimpleIdentifier = lex.getCharIndex() >= descr.getExpression().length();
            } catch ( RecognitionException e ) {

            }

            if ( isSimpleIdentifier ) {
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Examples of org.drools.lang.DRLLexer

            i++;
        }
    }

    private DRLParser getParser(final String text) {
        DRLParser parser = new DRLParser(new CommonTokenStream(new DRLLexer(
                new ANTLRStringStream(text))));
        parser.enableEditorInterface();
        return parser;
    }
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Examples of org.drools.lang.DRLLexer

                                                              "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n" ) );
                return;
            }

            // TODO: WTH is this??????
            DRLLexer lex = new DRLLexer( new ANTLRStringStream( descr.getExpression() ) );
            boolean isSimpleIdentifier = false;
            try {
                lex.mID();
                isSimpleIdentifier = lex.getCharIndex() >= descr.getExpression().length();
            } catch ( RecognitionException e ) {

            }

            if ( isSimpleIdentifier ) {
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Examples of org.drools.lang.DRLLexer

  /**
   * @return An instance of a RuleParser should you need one (most folks will
   *         not).
   */
  private DRLParser getParser(final String text) {
    DRLParser parser = new DRLParser(new CommonTokenStream(new DRLLexer(
        new ANTLRStringStream(text))));
    parser.setTreeAdaptor(new DroolsTreeAdaptor());
    return parser;
  }
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Examples of org.drools.lang.DRLLexer

  }

  private DRLParser getParser(final Reader reader) {
    try {
      DRLParser parser = new DRLParser(new CommonTokenStream(
          new DRLLexer(new ANTLRReaderStream(reader))));
      parser.setTreeAdaptor(new DroolsTreeAdaptor());
      return parser;
    } catch (final Exception e) {
      throw new RuntimeException("Unable to parser Reader", e);
    }
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