Package org.drools.lang

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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        }
    }

    private DRLParser getParser( final InputStream is ) {
        try {
            lexer = new DRLLexer( new ANTLRInputStream( is ) );
            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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                                                              "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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                        "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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                        "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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    /**
     * @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 ));
        parser.setTreeAdaptor( new DroolsTreeAdaptor() );
        return parser;
    }
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        return parser;
    }

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

    private DRLParser getParser(final InputStream is) {
        try {
            lexer = new DRLLexer( new ANTLRInputStream( is ) );
            DRLParser parser = new DRLParser( new CommonTokenStream( lexer ));
            parser.setTreeAdaptor( new DroolsTreeAdaptor() );
            return parser;
        } catch ( final Exception e ) {
            throw new RuntimeException( "Unable to parser Reader",
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                                                              "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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        emptyContentCheck( localName, expression, parser );

        FromDescr parent = (FromDescr) parser.getParent();

        final CharStream charStream = new ANTLRStringStream( expression.trim() );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser drlParser = new DRLParser( tokenStream );
        drlParser.setTreeAdaptor(new DroolsTreeAdaptor());

        try {
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Related Classes of org.drools.lang.DRLLexer

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