Package org.drools.lang

Examples of org.drools.lang.DRLLexer

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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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            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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                                                              "Unable to find @positional field " + descr.getPosition() ) + "\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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          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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    /** Parse an expression from text */
    public ConstraintConnectiveDescr parse( final String text ) {
        ConstraintConnectiveDescr constraint = null;
        try {
            DRLLexer lexer = getDRLLexer(new ANTLRStringStream(text), languageLevel);
            CommonTokenStream input = new CommonTokenStream( lexer );
            RecognizerSharedState state = new RecognizerSharedState();
            helper = new ParserHelper( input, state, languageLevel );
            DRLExpressions parser = getDRLExpressions( input, state, helper, languageLevel );
            parser.setBuildDescr( true );
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    /**
     * @return An instance of a RuleParser should you need one (most folks will not).
     */
    private DRLParser getParser(final String text) {
        return new DRLParser( new CommonTokenStream( new DRLLexer( new ANTLRStringStream( text ) ) ) );
    }
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        return new DRLParser( new CommonTokenStream( new DRLLexer( new ANTLRStringStream( text ) ) ) );
    }

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

  • org.drools.compiler.DrlExprParser
  • org.drools.compiler.DrlParser
  • org.drools.compiler.xml.rules.ExpressionHandler
  • org.drools.eclipse.editors.completion.CompletionContext
  • org.drools.rule.builder.PatternBuilder
  • org.drools.xml.ExpressionHandler
  • org.drools.xml.rules.ExpressionHandler
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