Examples with ConstraintConnectiveDescr org.drools.compiler.lang.descr.ConstraintConnectiveDescr used on opensource projects

Example 21 with ConstraintConnectiveDescr

use of org.drools.compiler.lang.descr.ConstraintConnectiveDescr in project drools by kiegroup.

the class DRL5Expressions method inExpression.

// $ANTLR end "instanceOfExpression"
// $ANTLR start "inExpression"
// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:311:1: inExpression returns [BaseDescr result] : left= relationalExpression ( ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN |in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN )? ;
public final BaseDescr inExpression() throws RecognitionException {
    BaseDescr result = null;
    BaseDescr left = null;
    ParserRuleReturnScope e1 = null;
    ParserRuleReturnScope e2 = null;
    ConstraintConnectiveDescr descr = null;
    BaseDescr leftDescr = null;
    BindingDescr binding = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:314:3: (left= relationalExpression ( ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN |in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN )? )
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:314:5: left= relationalExpression ( ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN |in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN )?
        {
            pushFollow(FOLLOW_relationalExpression_in_inExpression1533);
            left = relationalExpression();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = left;
                }
                if (left instanceof BindingDescr) {
                    binding = (BindingDescr) left;
                    leftDescr = new AtomicExprDescr(binding.getExpression());
                } else {
                    leftDescr = left;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:323:5: ( ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN |in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN )?
            int alt36 = 3;
            int LA36_0 = input.LA(1);
            if ((LA36_0 == ID)) {
                int LA36_1 = input.LA(2);
                if ((LA36_1 == ID)) {
                    int LA36_3 = input.LA(3);
                    if ((LA36_3 == LEFT_PAREN) && ((((helper.validateIdentifierKey(DroolsSoftKeywords.NOT))) && synpred7_DRL5Expressions()))) {
                        alt36 = 1;
                    }
                } else if ((LA36_1 == LEFT_PAREN) && (((helper.validateIdentifierKey(DroolsSoftKeywords.IN))))) {
                    alt36 = 2;
                }
            }
            switch(alt36) {
                case 1:
                    // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:323:6: ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN
                    {
                        pushFollow(FOLLOW_not_key_in_inExpression1553);
                        not_key();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        pushFollow(FOLLOW_in_key_in_inExpression1557);
                        in_key();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        match(input, LEFT_PAREN, FOLLOW_LEFT_PAREN_in_inExpression1559);
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_ARGUMENT);
                        }
                        pushFollow(FOLLOW_expression_in_inExpression1581);
                        e1 = expression();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            descr = ConstraintConnectiveDescr.newAnd();
                            RelationalExprDescr rel = new RelationalExprDescr("!=", false, null, leftDescr, (e1 != null ? ((DRL5Expressions.expression_return) e1).result : null));
                            descr.addOrMerge(rel);
                            result = descr;
                        }
                        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:331:7: ( COMMA e2= expression )*
                        loop34: while (true) {
                            int alt34 = 2;
                            int LA34_0 = input.LA(1);
                            if ((LA34_0 == COMMA)) {
                                alt34 = 1;
                            }
                            switch(alt34) {
                                case 1:
                                    // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:331:8: COMMA e2= expression
                                    {
                                        match(input, COMMA, FOLLOW_COMMA_in_inExpression1600);
                                        if (state.failed)
                                            return result;
                                        pushFollow(FOLLOW_expression_in_inExpression1604);
                                        e2 = expression();
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                        if (state.backtracking == 0) {
                                            RelationalExprDescr rel = new RelationalExprDescr("!=", false, null, leftDescr, (e2 != null ? ((DRL5Expressions.expression_return) e2).result : null));
                                            descr.addOrMerge(rel);
                                        }
                                    }
                                    break;
                                default:
                                    break loop34;
                            }
                        }
                        match(input, RIGHT_PAREN, FOLLOW_RIGHT_PAREN_in_inExpression1625);
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_END);
                        }
                    }
                    break;
                case 2:
                    // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:337:7: in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN
                    {
                        pushFollow(FOLLOW_in_key_in_inExpression1641);
                        in_key();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        match(input, LEFT_PAREN, FOLLOW_LEFT_PAREN_in_inExpression1643);
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_ARGUMENT);
                        }
                        pushFollow(FOLLOW_expression_in_inExpression1665);
                        e1 = expression();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            descr = ConstraintConnectiveDescr.newOr();
                            RelationalExprDescr rel = new RelationalExprDescr("==", false, null, leftDescr, (e1 != null ? ((DRL5Expressions.expression_return) e1).result : null));
                            descr.addOrMerge(rel);
                            result = descr;
                        }
                        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:345:7: ( COMMA e2= expression )*
                        loop35: while (true) {
                            int alt35 = 2;
                            int LA35_0 = input.LA(1);
                            if ((LA35_0 == COMMA)) {
                                alt35 = 1;
                            }
                            switch(alt35) {
                                case 1:
                                    // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:345:8: COMMA e2= expression
                                    {
                                        match(input, COMMA, FOLLOW_COMMA_in_inExpression1684);
                                        if (state.failed)
                                            return result;
                                        pushFollow(FOLLOW_expression_in_inExpression1688);
                                        e2 = expression();
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                        if (state.backtracking == 0) {
                                            RelationalExprDescr rel = new RelationalExprDescr("==", false, null, leftDescr, (e2 != null ? ((DRL5Expressions.expression_return) e2).result : null));
                                            descr.addOrMerge(rel);
                                        }
                                    }
                                    break;
                                default:
                                    break loop35;
                            }
                        }
                        match(input, RIGHT_PAREN, FOLLOW_RIGHT_PAREN_in_inExpression1709);
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_END);
                        }
                    }
                    break;
            }
        }
        if (state.backtracking == 0) {
            if (binding != null && descr != null)
                descr.addOrMerge(binding);
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}

Example 22 with ConstraintConnectiveDescr

use of org.drools.compiler.lang.descr.ConstraintConnectiveDescr 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 23 with ConstraintConnectiveDescr

use of org.drools.compiler.lang.descr.ConstraintConnectiveDescr 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 24 with ConstraintConnectiveDescr

use of org.drools.compiler.lang.descr.ConstraintConnectiveDescr in project drools by kiegroup.

the class QueryElementBuilder method parseExpression.

@SuppressWarnings("unchecked")
private ConstraintConnectiveDescr parseExpression(final RuleBuildContext context, final PatternDescr patternDescr, final String expression) {
    DrlExprParser parser = new DrlExprParser(context.getConfiguration().getLanguageLevel());
    ConstraintConnectiveDescr result = parser.parse(expression);
    if (result == null || parser.hasErrors()) {
        for (DroolsParserException error : parser.getErrors()) {
            context.addError(new DescrBuildError(context.getParentDescr(), patternDescr, null, "Unable to parser pattern expression:\n" + error.getMessage()));
        }
        return null;
    }
    return result;
}

Example 25 with ConstraintConnectiveDescr

use of org.drools.compiler.lang.descr.ConstraintConnectiveDescr in project drools by kiegroup.

the class PatternBuilder method rewriteCompositeExpressions.

private String rewriteCompositeExpressions(RuleBuildContext context, Pattern pattern, ConstraintConnectiveDescr d) {
    int i = 0;
    StringBuilder sb = new StringBuilder();
    for (BaseDescr subDescr : d.getDescrs()) {
        if (subDescr instanceof BindingDescr) {
            continue;
        }
        if (i++ > 0) {
            sb.append(" ").append(d.getConnective().getConnective()).append(" ");
        }
        String normalizedExpr;
        if (subDescr instanceof RelationalExprDescr && isSimpleExpr((RelationalExprDescr) subDescr)) {
            RelationalExprDescr relDescr = (RelationalExprDescr) subDescr;
            if (relDescr.getExpression() != null) {
                normalizedExpr = normalizeExpression(context, pattern, relDescr, relDescr.getExpression());
            } else {
                i--;
                normalizedExpr = "";
            }
        } else if (subDescr instanceof ConstraintConnectiveDescr) {
            String rewrittenExpr = rewriteCompositeExpressions(context, pattern, (ConstraintConnectiveDescr) subDescr);
            if (rewrittenExpr == null) {
                return null;
            }
            normalizedExpr = "(" + rewrittenExpr + ")";
        } else if (subDescr instanceof AtomicExprDescr) {
            normalizedExpr = ((AtomicExprDescr) subDescr).getRewrittenExpression();
        } else {
            return null;
        }
        sb.append(normalizedExpr);
    }
    return sb.toString();
}