Package org.drools.compiler.lang.descr

Examples of org.drools.compiler.lang.descr.BaseDescr

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     * @param allowOr
     * @throws org.antlr.runtime.RecognitionException
     */
    private BaseDescr lhsOr(final CEDescrBuilder<?, ?> ce,
            boolean allowOr) throws RecognitionException {
        BaseDescr result = null;
        if (allowOr && input.LA(1) == DRL6Lexer.LEFT_PAREN && helper.validateLT(2,
                DroolsSoftKeywords.OR)) {
            // prefixed OR
            CEDescrBuilder<?, OrDescr> or = null;
            if (state.backtracking == 0) {
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     * @param ce
     * @throws org.antlr.runtime.RecognitionException
     */
    private BaseDescr lhsAnd(final CEDescrBuilder<?, ?> ce,
            boolean allowOr) throws RecognitionException {
        BaseDescr result = null;
        if (input.LA(1) == DRL6Lexer.LEFT_PAREN && helper.validateLT(2,
                DroolsSoftKeywords.AND)) {
            // prefixed AND
            CEDescrBuilder<?, AndDescr> and = null;
            if (state.backtracking == 0) {
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     * @param ce
     * @return
     */
    private BaseDescr lhsUnary(final CEDescrBuilder<?, ?> ce,
            boolean allowOr) throws RecognitionException {
        BaseDescr result = null;
        if (helper.validateIdentifierKey(DroolsSoftKeywords.EXISTS)) {
            result = lhsExists(ce,
                    allowOr);
            if (helper.validateIdentifierKey(DroolsSoftKeywords.DO)) {
                namedConsequence(ce, null);
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     *
     * @param ce
     * @return
     */
    private BaseDescr consequenceInvocation(CEDescrBuilder<?, ?> ce) throws RecognitionException {
        BaseDescr result = null;
        if (helper.validateIdentifierKey(DroolsSoftKeywords.IF)) {
            result = conditionalBranch(ce, null);
        } else if (helper.validateIdentifierKey(DroolsSoftKeywords.DO)) {
            result = namedConsequence(ce, null);
        }
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            return null;

        if (state.backtracking == 0 && input.LA(1) != DRL6Lexer.EOF) {
            helper.emit(Location.LOCATION_LHS_BEGIN_OF_CONDITION);
        }
        BaseDescr descr = lhsOr(ce,
                allowOr);
        if (state.failed)
            return null;

        match(input,
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    @SuppressWarnings("unchecked")
    private BaseDescr lhsPatternBind(PatternContainerDescrBuilder<?, ?> ce,
            final boolean allowOr) throws RecognitionException {
        PatternDescrBuilder<?> pattern = null;
        CEDescrBuilder<?, OrDescr> or = null;
        BaseDescr result = null;

        Token first = input.LT(1);
        pattern = helper.start((DescrBuilder<?, ?>) ce,
                PatternDescrBuilder.class,
                null);
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     * @return
     * @throws org.antlr.runtime.RecognitionException
     */
    private BaseDescr lhsAccumulate(PatternContainerDescrBuilder<?, ?> ce) throws RecognitionException {
        PatternDescrBuilder<?> pattern = null;
        BaseDescr result = null;

        pattern = helper.start((DescrBuilder<?, ?>) ce,
                PatternDescrBuilder.class,
                null);
        if (pattern != null) {
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            // expression consumed something
            int last = input.LT(-1).getTokenIndex();
            String expr = toExpression(prefix, first, last);
            pattern.constraint(expr,
                    positional);
            BaseDescr constrDescr = pattern.getDescr().getDescrs().get(pattern.getDescr().getDescrs().size() - 1);
            constrDescr.setLocation(input.get(first).getLine(),
                    input.get(first).getCharPositionInLine());
            constrDescr.setEndLocation(input.get(last).getLine(),
                    input.get(last).getCharPositionInLine());
            constrDescr.setStartCharacter(((CommonToken) input.get(first)).getStartIndex());
            constrDescr.setEndCharacter(((CommonToken) input.get(last)).getStopIndex());
        }
    }
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                data.putInvoker( className,
                                 invoker );
            }
            final String text = invokers.getValue();

            final BaseDescr descr = (BaseDescr) context.getDescrLookups().get( className );
            addClassCompileTask( className,
                                 descr,
                                 text,
                                 this.src,
                                 new RuleInvokerErrorHandler( descr,
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     *           ;
     *          
     * @throws RecognitionException
     */
    public BaseDescr statement( PackageDescrBuilder pkg ) throws RecognitionException {
        BaseDescr descr = null;
        try {
            if ( helper.validateIdentifierKey( DroolsSoftKeywords.IMPORT ) ) {
                descr = importStatement( pkg );
                if ( state.failed ) return descr;
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.GLOBAL ) ) {
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Related Classes of org.drools.compiler.lang.descr.BaseDescr

  • org.drools.compiler.compiler.DrlExprParser
  • org.drools.compiler.compiler.xml.rules.AccumulateHelperHandler
  • org.drools.compiler.compiler.xml.rules.ExpressionHandler
  • org.drools.compiler.lang.DRL5Expressions
  • org.drools.compiler.lang.DRL5Parser
  • org.drools.compiler.lang.DRL6Expressions
  • org.drools.compiler.lang.DRL6Parser
  • org.drools.compiler.lang.DRL6StrictParser
  • org.drools.compiler.lang.MVELDumper
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilder
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