Examples with BaseDescr org.drools.drl.ast.descr.BaseDescr used on opensource projects

Example 86 with BaseDescr

use of org.drools.drl.ast.descr.BaseDescr in project drools by kiegroup.

the class DrlExprParser method parse.

/**
 * 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);
        // setting initial value just in case
        parser.setLeftMostExpr(null);
        BaseDescr expr = parser.conditionalOrExpression();
        if (expr != null && !parser.hasErrors()) {
            constraint = ConstraintConnectiveDescr.newAnd();
            constraint.addOrMerge(expr);
        }
    } catch (RecognitionException e) {
        helper.reportError(e);
    }
    return constraint;
}

Example 87 with BaseDescr

use of org.drools.drl.ast.descr.BaseDescr in project drools by kiegroup.

the class DRL5Expressions method conditionalAndExpression.

// $ANTLR end "conditionalOrExpression"
// $ANTLR start "conditionalAndExpression"
// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:230:1: conditionalAndExpression returns [BaseDescr result] : left= inclusiveOrExpression ( DOUBLE_AMPER (args= fullAnnotation[null] )? right= inclusiveOrExpression )* ;
public final BaseDescr conditionalAndExpression() throws RecognitionException {
    BaseDescr result = null;
    BaseDescr left = null;
    AnnotationDescr args = null;
    BaseDescr right = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:231:3: (left= inclusiveOrExpression ( DOUBLE_AMPER (args= fullAnnotation[null] )? right= inclusiveOrExpression )* )
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:231:5: left= inclusiveOrExpression ( DOUBLE_AMPER (args= fullAnnotation[null] )? right= inclusiveOrExpression )*
        {
            pushFollow(FOLLOW_inclusiveOrExpression_in_conditionalAndExpression1182);
            left = inclusiveOrExpression();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = left;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:232:3: ( DOUBLE_AMPER (args= fullAnnotation[null] )? right= inclusiveOrExpression )*
            loop27: while (true) {
                int alt27 = 2;
                int LA27_0 = input.LA(1);
                if ((LA27_0 == DOUBLE_AMPER)) {
                    alt27 = 1;
                }
                switch(alt27) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:232:5: DOUBLE_AMPER (args= fullAnnotation[null] )? right= inclusiveOrExpression
                        {
                            match(input, DOUBLE_AMPER, FOLLOW_DOUBLE_AMPER_in_conditionalAndExpression1190);
                            if (state.failed)
                                return result;
                            if (state.backtracking == 0) {
                                if (isNotEOF())
                                    helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_OPERATOR);
                            }
                            // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:234:13: (args= fullAnnotation[null] )?
                            int alt26 = 2;
                            int LA26_0 = input.LA(1);
                            if ((LA26_0 == AT)) {
                                alt26 = 1;
                            }
                            switch(alt26) {
                                case 1:
                                    // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:234:13: args= fullAnnotation[null]
                                    {
                                        pushFollow(FOLLOW_fullAnnotation_in_conditionalAndExpression1213);
                                        args = fullAnnotation(null);
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                    }
                                    break;
                            }
                            pushFollow(FOLLOW_inclusiveOrExpression_in_conditionalAndExpression1219);
                            right = inclusiveOrExpression();
                            state._fsp--;
                            if (state.failed)
                                return result;
                            if (state.backtracking == 0) {
                                if (buildDescr) {
                                    ConstraintConnectiveDescr descr = ConstraintConnectiveDescr.newAnd();
                                    descr.addOrMerge(result);
                                    descr.addOrMerge(right);
                                    if (args != null) {
                                        descr.addAnnotation(args);
                                    }
                                    result = descr;
                                }
                            }
                        }
                        break;
                    default:
                        break loop27;
                }
            }
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}

Example 88 with BaseDescr

use of org.drools.drl.ast.descr.BaseDescr in project drools by kiegroup.

the class DRL5Expressions method conditionalOrExpression.

// $ANTLR end "annotationArray"
// $ANTLR start "conditionalOrExpression"
// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:214:1: conditionalOrExpression returns [BaseDescr result] : left= conditionalAndExpression ( DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression )* ;
public final BaseDescr conditionalOrExpression() throws RecognitionException {
    BaseDescr result = null;
    BaseDescr left = null;
    AnnotationDescr args = null;
    BaseDescr right = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:215:3: (left= conditionalAndExpression ( DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression )* )
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:215:5: left= conditionalAndExpression ( DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression )*
        {
            pushFollow(FOLLOW_conditionalAndExpression_in_conditionalOrExpression1110);
            left = conditionalAndExpression();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = left;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:216:3: ( DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression )*
            loop25: while (true) {
                int alt25 = 2;
                int LA25_0 = input.LA(1);
                if ((LA25_0 == DOUBLE_PIPE)) {
                    alt25 = 1;
                }
                switch(alt25) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:216:5: DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression
                        {
                            match(input, DOUBLE_PIPE, FOLLOW_DOUBLE_PIPE_in_conditionalOrExpression1119);
                            if (state.failed)
                                return result;
                            if (state.backtracking == 0) {
                                if (isNotEOF())
                                    helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_OPERATOR);
                            }
                            // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:218:13: (args= fullAnnotation[null] )?
                            int alt24 = 2;
                            int LA24_0 = input.LA(1);
                            if ((LA24_0 == AT)) {
                                alt24 = 1;
                            }
                            switch(alt24) {
                                case 1:
                                    // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:218:13: args= fullAnnotation[null]
                                    {
                                        pushFollow(FOLLOW_fullAnnotation_in_conditionalOrExpression1141);
                                        args = fullAnnotation(null);
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                    }
                                    break;
                            }
                            pushFollow(FOLLOW_conditionalAndExpression_in_conditionalOrExpression1147);
                            right = conditionalAndExpression();
                            state._fsp--;
                            if (state.failed)
                                return result;
                            if (state.backtracking == 0) {
                                if (buildDescr) {
                                    ConstraintConnectiveDescr descr = ConstraintConnectiveDescr.newOr();
                                    descr.addOrMerge(result);
                                    descr.addOrMerge(right);
                                    if (args != null) {
                                        descr.addAnnotation(args);
                                    }
                                    result = descr;
                                }
                            }
                        }
                        break;
                    default:
                        break loop25;
                }
            }
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}

Example 89 with BaseDescr

use of org.drools.drl.ast.descr.BaseDescr in project drools by kiegroup.

the class DRL5Expressions method parExpression.

// $ANTLR end "mapEntry"
// $ANTLR start "parExpression"
// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:577:1: parExpression returns [BaseDescr result] : LEFT_PAREN expr= expression RIGHT_PAREN ;
public final BaseDescr parExpression() throws RecognitionException {
    BaseDescr result = null;
    ParserRuleReturnScope expr = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:578:5: ( LEFT_PAREN expr= expression RIGHT_PAREN )
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:578:7: LEFT_PAREN expr= expression RIGHT_PAREN
        {
            match(input, LEFT_PAREN, FOLLOW_LEFT_PAREN_in_parExpression3200);
            if (state.failed)
                return result;
            pushFollow(FOLLOW_expression_in_parExpression3204);
            expr = expression();
            state._fsp--;
            if (state.failed)
                return result;
            match(input, RIGHT_PAREN, FOLLOW_RIGHT_PAREN_in_parExpression3206);
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = (expr != null ? ((DRL5Expressions.expression_return) expr).result : null);
                    if (result instanceof AtomicExprDescr) {
                        ((AtomicExprDescr) result).setExpression("(" + ((AtomicExprDescr) result).getExpression() + ")");
                    }
                }
            }
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}

Example 90 with BaseDescr

use of org.drools.drl.ast.descr.BaseDescr in project drools by kiegroup.

the class DRL5Expressions method exclusiveOrExpression.

// $ANTLR end "inclusiveOrExpression"
// $ANTLR start "exclusiveOrExpression"
// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:259:1: exclusiveOrExpression returns [BaseDescr result] : left= andExpression ( XOR right= andExpression )* ;
public final BaseDescr exclusiveOrExpression() throws RecognitionException {
    BaseDescr result = null;
    BaseDescr left = null;
    BaseDescr right = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:260:3: (left= andExpression ( XOR right= andExpression )* )
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:260:5: left= andExpression ( XOR right= andExpression )*
        {
            pushFollow(FOLLOW_andExpression_in_exclusiveOrExpression1301);
            left = andExpression();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = left;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:261:3: ( XOR right= andExpression )*
            loop29: while (true) {
                int alt29 = 2;
                int LA29_0 = input.LA(1);
                if ((LA29_0 == XOR)) {
                    alt29 = 1;
                }
                switch(alt29) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:261:5: XOR right= andExpression
                        {
                            match(input, XOR, FOLLOW_XOR_in_exclusiveOrExpression1309);
                            if (state.failed)
                                return result;
                            pushFollow(FOLLOW_andExpression_in_exclusiveOrExpression1313);
                            right = andExpression();
                            state._fsp--;
                            if (state.failed)
                                return result;
                            if (state.backtracking == 0) {
                                if (buildDescr) {
                                    ConstraintConnectiveDescr descr = ConstraintConnectiveDescr.newXor();
                                    descr.addOrMerge(result);
                                    descr.addOrMerge(right);
                                    result = descr;
                                }
                            }
                        }
                        break;
                    default:
                        break loop29;
                }
            }
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}