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

Example 21 with ConstraintConnectiveDescr

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

the class DescrDumper method processNullSafeDereferencing.

private String[] processNullSafeDereferencing(String expr, AtomicExprDescr atomicExpr, ConstraintConnectiveDescr ccd, int nullSafePos, int parentIdx, int childIdx) {
    // convert "field1!.field2" in ["field1 != null && ", "field1.field2"]
    String field1 = expr.substring(0, nullSafePos).trim();
    expr = field1 + "." + expr.substring(nullSafePos + 2).trim();
    RelationalExprDescr check = new RelationalExprDescr("!=", false, null, new AtomicExprDescr(getPreconditionsToAppend(field1)), new AtomicExprDescr("null"));
    if (ccd.getConnective() == ConnectiveType.AND || ccd.getConnective() == ConnectiveType.INC_AND) {
        ccd.getDescrs().add(childIdx, check);
    } else {
        BaseDescr desc = ccd.getDescrs().get(parentIdx);
        if (desc instanceof ConstraintConnectiveDescr) {
            ((ConstraintConnectiveDescr) desc).getDescrs().add(childIdx, check);
        } else {
            ConstraintConnectiveDescr localAnd = new ConstraintConnectiveDescr(ConnectiveType.AND);
            BaseDescr original = ccd.getDescrs().remove(parentIdx);
            localAnd.getDescrs().add(check);
            localAnd.getDescrs().add(original);
            ccd.getDescrs().add(parentIdx, localAnd);
        }
    }
    String innerCheck = check + " && ";
    String[] nullCheckAndExpr = new String[] { innerCheck, expr };
    atomicExpr.setRewrittenExpression(expr);
    return nullCheckAndExpr;
}

Example 22 with ConstraintConnectiveDescr

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

the class DRL6Expressions method andExpression.

// $ANTLR end "exclusiveOrExpression"
// $ANTLR start "andExpression"
// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:286:1: andExpression returns [BaseDescr result] : left= equalityExpression ( AMPER right= equalityExpression )* ;
public final BaseDescr andExpression() throws RecognitionException {
    BaseDescr result = null;
    BaseDescr left = null;
    BaseDescr right = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:287:3: (left= equalityExpression ( AMPER right= equalityExpression )* )
        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:287:5: left= equalityExpression ( AMPER right= equalityExpression )*
        {
            pushFollow(FOLLOW_equalityExpression_in_andExpression1430);
            left = equalityExpression();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = left;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:288:3: ( AMPER right= equalityExpression )*
            loop30: while (true) {
                int alt30 = 2;
                int LA30_0 = input.LA(1);
                if ((LA30_0 == AMPER)) {
                    alt30 = 1;
                }
                switch(alt30) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:288:5: AMPER right= equalityExpression
                        {
                            match(input, AMPER, FOLLOW_AMPER_in_andExpression1438);
                            if (state.failed)
                                return result;
                            pushFollow(FOLLOW_equalityExpression_in_andExpression1442);
                            right = equalityExpression();
                            state._fsp--;
                            if (state.failed)
                                return result;
                            if (state.backtracking == 0) {
                                if (buildDescr) {
                                    ConstraintConnectiveDescr descr = ConstraintConnectiveDescr.newIncAnd();
                                    descr.addOrMerge(result);
                                    descr.addOrMerge(right);
                                    result = descr;
                                }
                            }
                        }
                        break;
                    default:
                        break loop30;
                }
            }
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}

Example 23 with ConstraintConnectiveDescr

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

the class DRL6Expressions method conditionalOrExpression.

// $ANTLR end "annotationArray"
// $ANTLR start "conditionalOrExpression"
// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:228:1: 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/DRL6Expressions.g:229:3: (left= conditionalAndExpression ( DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression )* )
        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:229:5: left= conditionalAndExpression ( DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression )*
        {
            pushFollow(FOLLOW_conditionalAndExpression_in_conditionalOrExpression1192);
            left = conditionalAndExpression();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = left;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:230:3: ( 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/DRL6Expressions.g:230:5: DOUBLE_PIPE (args= fullAnnotation[null] )? right= conditionalAndExpression
                        {
                            match(input, DOUBLE_PIPE, FOLLOW_DOUBLE_PIPE_in_conditionalOrExpression1201);
                            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/DRL6Expressions.g:232:13: (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/DRL6Expressions.g:232:13: args= fullAnnotation[null]
                                    {
                                        pushFollow(FOLLOW_fullAnnotation_in_conditionalOrExpression1223);
                                        args = fullAnnotation(null);
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                    }
                                    break;
                            }
                            pushFollow(FOLLOW_conditionalAndExpression_in_conditionalOrExpression1229);
                            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.drl.ast.descr.ConstraintConnectiveDescr in project drools by kiegroup.

the class DRL6Expressions method inExpression.

// $ANTLR end "instanceOfExpression"
// $ANTLR start "inExpression"
// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:325:1: 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/DRL6Expressions.g:328:3: (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/DRL6Expressions.g:328:5: 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_inExpression1615);
            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/DRL6Expressions.g:337:5: ( ( 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))) && synpred8_DRL6Expressions()))) {
                        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/DRL6Expressions.g:337:6: ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN
                    {
                        pushFollow(FOLLOW_not_key_in_inExpression1635);
                        not_key();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        pushFollow(FOLLOW_in_key_in_inExpression1639);
                        in_key();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        match(input, LEFT_PAREN, FOLLOW_LEFT_PAREN_in_inExpression1641);
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_ARGUMENT);
                        }
                        pushFollow(FOLLOW_expression_in_inExpression1663);
                        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 ? ((DRL6Expressions.expression_return) e1).result : null));
                            descr.addOrMerge(rel);
                            result = descr;
                        }
                        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:345:7: ( 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/DRL6Expressions.g:345:8: COMMA e2= expression
                                    {
                                        match(input, COMMA, FOLLOW_COMMA_in_inExpression1682);
                                        if (state.failed)
                                            return result;
                                        pushFollow(FOLLOW_expression_in_inExpression1686);
                                        e2 = expression();
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                        if (state.backtracking == 0) {
                                            RelationalExprDescr rel = new RelationalExprDescr("!=", false, null, leftDescr, (e2 != null ? ((DRL6Expressions.expression_return) e2).result : null));
                                            descr.addOrMerge(rel);
                                        }
                                    }
                                    break;
                                default:
                                    break loop34;
                            }
                        }
                        match(input, RIGHT_PAREN, FOLLOW_RIGHT_PAREN_in_inExpression1707);
                        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/DRL6Expressions.g:351:7: in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN
                    {
                        pushFollow(FOLLOW_in_key_in_inExpression1723);
                        in_key();
                        state._fsp--;
                        if (state.failed)
                            return result;
                        match(input, LEFT_PAREN, FOLLOW_LEFT_PAREN_in_inExpression1725);
                        if (state.failed)
                            return result;
                        if (state.backtracking == 0) {
                            helper.emit(Location.LOCATION_LHS_INSIDE_CONDITION_ARGUMENT);
                        }
                        pushFollow(FOLLOW_expression_in_inExpression1747);
                        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 ? ((DRL6Expressions.expression_return) e1).result : null));
                            descr.addOrMerge(rel);
                            result = descr;
                        }
                        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:359:7: ( 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/DRL6Expressions.g:359:8: COMMA e2= expression
                                    {
                                        match(input, COMMA, FOLLOW_COMMA_in_inExpression1766);
                                        if (state.failed)
                                            return result;
                                        pushFollow(FOLLOW_expression_in_inExpression1770);
                                        e2 = expression();
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                        if (state.backtracking == 0) {
                                            RelationalExprDescr rel = new RelationalExprDescr("==", false, null, leftDescr, (e2 != null ? ((DRL6Expressions.expression_return) e2).result : null));
                                            descr.addOrMerge(rel);
                                        }
                                    }
                                    break;
                                default:
                                    break loop35;
                            }
                        }
                        match(input, RIGHT_PAREN, FOLLOW_RIGHT_PAREN_in_inExpression1791);
                        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 25 with ConstraintConnectiveDescr

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

the class DRL6Expressions method orRestriction.

// $ANTLR end "relationalExpression"
// $ANTLR start "orRestriction"
// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:405:1: orRestriction returns [BaseDescr result] : left= andRestriction ( ( DOUBLE_PIPE ( fullAnnotation[null] )? andRestriction )=>lop= DOUBLE_PIPE (args= fullAnnotation[null] )? right= andRestriction )* ( EOF )? ;
public final BaseDescr orRestriction() throws RecognitionException {
    BaseDescr result = null;
    Token lop = null;
    BaseDescr left = null;
    AnnotationDescr args = null;
    BaseDescr right = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:406:3: (left= andRestriction ( ( DOUBLE_PIPE ( fullAnnotation[null] )? andRestriction )=>lop= DOUBLE_PIPE (args= fullAnnotation[null] )? right= andRestriction )* ( EOF )? )
        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:406:5: left= andRestriction ( ( DOUBLE_PIPE ( fullAnnotation[null] )? andRestriction )=>lop= DOUBLE_PIPE (args= fullAnnotation[null] )? right= andRestriction )* ( EOF )?
        {
            pushFollow(FOLLOW_andRestriction_in_orRestriction1892);
            left = andRestriction();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = left;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:407:5: ( ( DOUBLE_PIPE ( fullAnnotation[null] )? andRestriction )=>lop= DOUBLE_PIPE (args= fullAnnotation[null] )? right= andRestriction )*
            loop39: while (true) {
                int alt39 = 2;
                int LA39_0 = input.LA(1);
                if ((LA39_0 == DOUBLE_PIPE)) {
                    int LA39_9 = input.LA(2);
                    if ((synpred10_DRL6Expressions())) {
                        alt39 = 1;
                    }
                }
                switch(alt39) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:407:7: ( DOUBLE_PIPE ( fullAnnotation[null] )? andRestriction )=>lop= DOUBLE_PIPE (args= fullAnnotation[null] )? right= andRestriction
                        {
                            lop = (Token) match(input, DOUBLE_PIPE, FOLLOW_DOUBLE_PIPE_in_orRestriction1914);
                            if (state.failed)
                                return result;
                            // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:407:79: (args= fullAnnotation[null] )?
                            int alt38 = 2;
                            int LA38_0 = input.LA(1);
                            if ((LA38_0 == AT)) {
                                alt38 = 1;
                            }
                            switch(alt38) {
                                case 1:
                                    // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:407:79: args= fullAnnotation[null]
                                    {
                                        pushFollow(FOLLOW_fullAnnotation_in_orRestriction1918);
                                        args = fullAnnotation(null);
                                        state._fsp--;
                                        if (state.failed)
                                            return result;
                                    }
                                    break;
                            }
                            pushFollow(FOLLOW_andRestriction_in_orRestriction1924);
                            right = andRestriction();
                            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 loop39;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:416:7: ( EOF )?
            int alt40 = 2;
            int LA40_0 = input.LA(1);
            if ((LA40_0 == EOF)) {
                int LA40_1 = input.LA(2);
                if ((LA40_1 == EOF)) {
                    int LA40_3 = input.LA(3);
                    if ((LA40_3 == EOF)) {
                        alt40 = 1;
                    }
                } else if (((LA40_1 >= AMPER && LA40_1 <= AND_ASSIGN) || LA40_1 == AT || (LA40_1 >= COLON && LA40_1 <= COMMA) || LA40_1 == DIV_ASSIGN || (LA40_1 >= DOUBLE_AMPER && LA40_1 <= DOUBLE_PIPE) || (LA40_1 >= EQUALS && LA40_1 <= EQUALS_ASSIGN) || (LA40_1 >= GREATER && LA40_1 <= GREATER_EQUALS) || LA40_1 == ID || LA40_1 == LEFT_PAREN || (LA40_1 >= LESS && LA40_1 <= LESS_EQUALS) || LA40_1 == MINUS_ASSIGN || LA40_1 == MOD_ASSIGN || LA40_1 == MULT_ASSIGN || LA40_1 == NOT_EQUALS || LA40_1 == OR_ASSIGN || LA40_1 == PIPE || (LA40_1 >= PLUS_ASSIGN && LA40_1 <= QUESTION) || (LA40_1 >= RIGHT_CURLY && LA40_1 <= SEMICOLON) || LA40_1 == TILDE || (LA40_1 >= XOR && LA40_1 <= XOR_ASSIGN))) {
                    alt40 = 1;
                }
            }
            switch(alt40) {
                case 1:
                    // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:416:7: EOF
                    {
                        match(input, EOF, FOLLOW_EOF_in_orRestriction1943);
                        if (state.failed)
                            return result;
                    }
                    break;
            }
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}