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Example 21 with AtomicExprDescr

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

the class DRL6Expressions method parExpression.

// $ANTLR end "mapEntry"
// $ANTLR start "parExpression"
// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:627:1: 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/DRL6Expressions.g:628:5: ( LEFT_PAREN expr= expression RIGHT_PAREN )
        // src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:628:7: LEFT_PAREN expr= expression RIGHT_PAREN
        {
            match(input, LEFT_PAREN, FOLLOW_LEFT_PAREN_in_parExpression3643);
            if (state.failed)
                return result;
            pushFollow(FOLLOW_expression_in_parExpression3647);
            expr = expression();
            state._fsp--;
            if (state.failed)
                return result;
            match(input, RIGHT_PAREN, FOLLOW_RIGHT_PAREN_in_parExpression3649);
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    result = (expr != null ? ((DRL6Expressions.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;
}
Also used : BaseDescr(org.drools.drl.ast.descr.BaseDescr) AtomicExprDescr(org.drools.drl.ast.descr.AtomicExprDescr)

Example 22 with AtomicExprDescr

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

the class DRL5Expressions method relationalExpression.

// $ANTLR start "relationalExpression"
// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:354:1: relationalExpression returns [BaseDescr result] : left= shiftExpression ( ( operator | LEFT_PAREN )=>right= orRestriction )* ;
public final BaseDescr relationalExpression() throws RecognitionException {
    relationalExpression_stack.push(new relationalExpression_scope());
    BaseDescr result = null;
    ParserRuleReturnScope left = null;
    BaseDescr right = null;
    relationalExpression_stack.peek().lsd = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:357:3: (left= shiftExpression ( ( operator | LEFT_PAREN )=>right= orRestriction )* )
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:357:5: left= shiftExpression ( ( operator | LEFT_PAREN )=>right= orRestriction )*
        {
            pushFollow(FOLLOW_shiftExpression_in_relationalExpression1750);
            left = shiftExpression();
            state._fsp--;
            if (state.failed)
                return result;
            if (state.backtracking == 0) {
                if (buildDescr) {
                    if ((left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null) == null) {
                        result = new AtomicExprDescr((left != null ? input.toString(left.start, left.stop) : null));
                    } else if ((left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null) instanceof AtomicExprDescr) {
                        if ((left != null ? input.toString(left.start, left.stop) : null).equals(((AtomicExprDescr) (left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null)).getExpression())) {
                            result = (left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null);
                        } else {
                            result = new AtomicExprDescr((left != null ? input.toString(left.start, left.stop) : null));
                        }
                    } else if ((left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null) instanceof BindingDescr) {
                        if ((left != null ? input.toString(left.start, left.stop) : null).equals(((BindingDescr) (left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null)).getExpression())) {
                            result = (left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null);
                        } else {
                            BindingDescr bind = (BindingDescr) (left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null);
                            int offset = bind.isUnification() ? 2 : 1;
                            String fullExpression = (left != null ? input.toString(left.start, left.stop) : null).substring((left != null ? input.toString(left.start, left.stop) : null).indexOf(":") + offset).trim();
                            result = new BindingDescr(bind.getVariable(), bind.getExpression(), fullExpression, bind.isUnification());
                        }
                    } else {
                        result = (left != null ? ((DRL5Expressions.shiftExpression_return) left).result : null);
                    }
                    relationalExpression_stack.peek().lsd = result;
                }
            }
            // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:382:3: ( ( operator | LEFT_PAREN )=>right= orRestriction )*
            loop37: while (true) {
                int alt37 = 2;
                int LA37_0 = input.LA(1);
                if ((LA37_0 == ID)) {
                    int LA37_2 = input.LA(2);
                    if (((synpred8_DRL5Expressions() && (((helper.validateIdentifierKey(DroolsSoftKeywords.NOT))) || ((helper.isPluggableEvaluator(false))))))) {
                        alt37 = 1;
                    }
                } else if ((LA37_0 == EQUALS)) {
                    int LA37_3 = input.LA(2);
                    if ((synpred8_DRL5Expressions())) {
                        alt37 = 1;
                    }
                } else if ((LA37_0 == NOT_EQUALS)) {
                    int LA37_4 = input.LA(2);
                    if ((synpred8_DRL5Expressions())) {
                        alt37 = 1;
                    }
                } else if ((LA37_0 == LESS)) {
                    int LA37_20 = input.LA(2);
                    if ((synpred8_DRL5Expressions())) {
                        alt37 = 1;
                    }
                } else if ((LA37_0 == GREATER)) {
                    int LA37_21 = input.LA(2);
                    if ((synpred8_DRL5Expressions())) {
                        alt37 = 1;
                    }
                } else if ((LA37_0 == TILDE) && (synpred8_DRL5Expressions())) {
                    alt37 = 1;
                } else if ((LA37_0 == LESS_EQUALS) && (synpred8_DRL5Expressions())) {
                    alt37 = 1;
                } else if ((LA37_0 == GREATER_EQUALS) && (synpred8_DRL5Expressions())) {
                    alt37 = 1;
                } else if ((LA37_0 == LEFT_PAREN) && (synpred8_DRL5Expressions())) {
                    alt37 = 1;
                }
                switch(alt37) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:382:5: ( operator | LEFT_PAREN )=>right= orRestriction
                        {
                            pushFollow(FOLLOW_orRestriction_in_relationalExpression1775);
                            right = orRestriction();
                            state._fsp--;
                            if (state.failed)
                                return result;
                            if (state.backtracking == 0) {
                                if (buildDescr) {
                                    result = right;
                                    relationalExpression_stack.peek().lsd = result;
                                }
                            }
                        }
                        break;
                    default:
                        break loop37;
                }
            }
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
        // do for sure before leaving
        relationalExpression_stack.pop();
    }
    return result;
}
Also used : BindingDescr(org.drools.drl.ast.descr.BindingDescr) BaseDescr(org.drools.drl.ast.descr.BaseDescr) AtomicExprDescr(org.drools.drl.ast.descr.AtomicExprDescr)

Example 23 with AtomicExprDescr

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

the class DRL5Expressions method unaryExpression.

// $ANTLR end "multiplicativeExpression"
// $ANTLR start "unaryExpression"
// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:466:1: unaryExpression returns [BaseDescr result] : ( PLUS ue= unaryExpression | MINUS ue= unaryExpression | INCR primary | DECR primary |left= unaryExpressionNotPlusMinus );
public final BaseDescr unaryExpression() throws RecognitionException {
    BaseDescr result = null;
    BaseDescr ue = null;
    ParserRuleReturnScope left = null;
    try {
        // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:467:5: ( PLUS ue= unaryExpression | MINUS ue= unaryExpression | INCR primary | DECR primary |left= unaryExpressionNotPlusMinus )
        int alt49 = 5;
        switch(input.LA(1)) {
            case PLUS:
                {
                    alt49 = 1;
                }
                break;
            case MINUS:
                {
                    alt49 = 2;
                }
                break;
            case INCR:
                {
                    alt49 = 3;
                }
                break;
            case DECR:
                {
                    alt49 = 4;
                }
                break;
            case BOOL:
            case DECIMAL:
            case FLOAT:
            case HEX:
            case ID:
            case LEFT_PAREN:
            case LEFT_SQUARE:
            case LESS:
            case NEGATION:
            case NULL:
            case STAR:
            case STRING:
            case TILDE:
            case TIME_INTERVAL:
                {
                    alt49 = 5;
                }
                break;
            default:
                if (state.backtracking > 0) {
                    state.failed = true;
                    return result;
                }
                NoViableAltException nvae = new NoViableAltException("", 49, 0, input);
                throw nvae;
        }
        switch(alt49) {
            case 1:
                // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:467:9: PLUS ue= unaryExpression
                {
                    match(input, PLUS, FOLLOW_PLUS_in_unaryExpression2269);
                    if (state.failed)
                        return result;
                    pushFollow(FOLLOW_unaryExpression_in_unaryExpression2273);
                    ue = unaryExpression();
                    state._fsp--;
                    if (state.failed)
                        return result;
                    if (state.backtracking == 0) {
                        if (buildDescr) {
                            result = ue;
                            if (result instanceof AtomicExprDescr) {
                                ((AtomicExprDescr) result).setExpression("+" + ((AtomicExprDescr) result).getExpression());
                            }
                        }
                    }
                }
                break;
            case 2:
                // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:474:7: MINUS ue= unaryExpression
                {
                    match(input, MINUS, FOLLOW_MINUS_in_unaryExpression2291);
                    if (state.failed)
                        return result;
                    pushFollow(FOLLOW_unaryExpression_in_unaryExpression2295);
                    ue = unaryExpression();
                    state._fsp--;
                    if (state.failed)
                        return result;
                    if (state.backtracking == 0) {
                        if (buildDescr) {
                            result = ue;
                            if (result instanceof AtomicExprDescr) {
                                ((AtomicExprDescr) result).setExpression("-" + ((AtomicExprDescr) result).getExpression());
                            }
                        }
                    }
                }
                break;
            case 3:
                // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:481:9: INCR primary
                {
                    match(input, INCR, FOLLOW_INCR_in_unaryExpression2315);
                    if (state.failed)
                        return result;
                    pushFollow(FOLLOW_primary_in_unaryExpression2317);
                    primary();
                    state._fsp--;
                    if (state.failed)
                        return result;
                }
                break;
            case 4:
                // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:482:9: DECR primary
                {
                    match(input, DECR, FOLLOW_DECR_in_unaryExpression2327);
                    if (state.failed)
                        return result;
                    pushFollow(FOLLOW_primary_in_unaryExpression2329);
                    primary();
                    state._fsp--;
                    if (state.failed)
                        return result;
                }
                break;
            case 5:
                // src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:483:9: left= unaryExpressionNotPlusMinus
                {
                    pushFollow(FOLLOW_unaryExpressionNotPlusMinus_in_unaryExpression2341);
                    left = unaryExpressionNotPlusMinus();
                    state._fsp--;
                    if (state.failed)
                        return result;
                    if (state.backtracking == 0) {
                        if (buildDescr) {
                            result = (left != null ? ((DRL5Expressions.unaryExpressionNotPlusMinus_return) left).result : null);
                        }
                    }
                }
                break;
        }
    } catch (RecognitionException re) {
        throw re;
    } finally {
    // do for sure before leaving
    }
    return result;
}
Also used : BaseDescr(org.drools.drl.ast.descr.BaseDescr) AtomicExprDescr(org.drools.drl.ast.descr.AtomicExprDescr)

Example 24 with AtomicExprDescr

use of org.drools.drl.ast.descr.AtomicExprDescr 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;
}
Also used : BaseDescr(org.drools.drl.ast.descr.BaseDescr) AtomicExprDescr(org.drools.drl.ast.descr.AtomicExprDescr)

Example 25 with AtomicExprDescr

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

the class DescrDumperTest method testProcessImplicitConstraints.

@Test
public void testProcessImplicitConstraints() throws Exception {
    String expr = "field1#Class!.field2";
    String expectedConstraints = "field1 instanceof Class";
    String expectedExpr = "((Class)field1).field2";
    AtomicExprDescr atomicExpr = new AtomicExprDescr(expr);
    ConstraintConnectiveDescr ccd = new ConstraintConnectiveDescr();
    String[] constraintsAndExpr = dumper.processImplicitConstraints(expr, atomicExpr, ccd, ccd.getDescrs().indexOf(atomicExpr), null);
    assertEquals(expectedConstraints, ccd.getDescrs().get(0).toString());
    assertEquals(expectedExpr, constraintsAndExpr[1]);
    assertEquals(expectedExpr, atomicExpr.getRewrittenExpression());
    expr = "field1!.field2#Class.field3";
    String expectedConstraints1 = "field1 != null";
    String expectedConstraints2 = "field1.field2 instanceof Class";
    expectedExpr = "((Class)field1.field2).field3";
    atomicExpr = new AtomicExprDescr(expr);
    ccd = new ConstraintConnectiveDescr();
    constraintsAndExpr = dumper.processImplicitConstraints(expr, atomicExpr, ccd, ccd.getDescrs().indexOf(atomicExpr), null);
    assertEquals(expectedConstraints1, ccd.getDescrs().get(0).toString());
    assertEquals(expectedConstraints2, ccd.getDescrs().get(1).toString());
    assertEquals(expectedExpr, constraintsAndExpr[1]);
    assertEquals(expectedExpr, atomicExpr.getRewrittenExpression());
    expr = "field1#Class.field2!.field3";
    expectedConstraints1 = "field1 instanceof Class";
    expectedConstraints2 = "((Class)field1).field2 != null";
    expectedExpr = "((Class)field1).field2.field3";
    atomicExpr = new AtomicExprDescr(expr);
    ccd = new ConstraintConnectiveDescr();
    constraintsAndExpr = dumper.processImplicitConstraints(expr, atomicExpr, ccd, ccd.getDescrs().indexOf(atomicExpr), null);
    assertEquals(expectedConstraints1, ccd.getDescrs().get(0).toString());
    assertEquals(expectedConstraints2, ccd.getDescrs().get(1).toString());
    assertEquals(expectedExpr, constraintsAndExpr[1]);
    assertEquals(expectedExpr, atomicExpr.getRewrittenExpression());
}
Also used : AtomicExprDescr(org.drools.drl.ast.descr.AtomicExprDescr) ConstraintConnectiveDescr(org.drools.drl.ast.descr.ConstraintConnectiveDescr) Test(org.junit.Test)

Aggregations

AtomicExprDescr (org.drools.drl.ast.descr.AtomicExprDescr)29 BaseDescr (org.drools.drl.ast.descr.BaseDescr)17 RelationalExprDescr (org.drools.drl.ast.descr.RelationalExprDescr)16 ConstraintConnectiveDescr (org.drools.drl.ast.descr.ConstraintConnectiveDescr)15 BindingDescr (org.drools.drl.ast.descr.BindingDescr)10 Test (org.junit.Test)10 Matcher (java.util.regex.Matcher)1 PredicateConstraint (org.drools.core.rule.PredicateConstraint)1 NegConstraint (org.drools.core.rule.constraint.NegConstraint)1 XpathConstraint (org.drools.core.rule.constraint.XpathConstraint)1 Constraint (org.drools.core.spi.Constraint)1 PredicateDescr (org.drools.drl.ast.descr.PredicateDescr)1