use of org.drools.compiler.lang.descr.AtomicExprDescr in project drools by kiegroup.
the class DRLExprParserTest method testBindingConstraint.
@Test
public void testBindingConstraint() throws Exception {
String source = "$x : property > value";
ConstraintConnectiveDescr result = parser.parse(source);
assertFalse(parser.getErrors().toString(), parser.hasErrors());
assertEquals(ConnectiveType.AND, result.getConnective());
assertEquals(1, result.getDescrs().size());
RelationalExprDescr rel = (RelationalExprDescr) result.getDescrs().get(0);
assertEquals(">", rel.getOperator());
BindingDescr bind = (BindingDescr) rel.getLeft();
assertEquals("$x", bind.getVariable());
assertEquals("property", bind.getExpression());
AtomicExprDescr right = (AtomicExprDescr) rel.getRight();
assertEquals("value", right.getExpression());
}
use of org.drools.compiler.lang.descr.AtomicExprDescr in project drools by kiegroup.
the class DRLExprParserTest method testBindingWithRestrictions.
@Test
public void testBindingWithRestrictions() throws Exception {
String source = "$x : property > value && < 20";
ConstraintConnectiveDescr result = parser.parse(source);
assertFalse(parser.getErrors().toString(), parser.hasErrors());
assertEquals(ConnectiveType.AND, result.getConnective());
assertEquals(2, result.getDescrs().size());
RelationalExprDescr rel = (RelationalExprDescr) result.getDescrs().get(0);
assertEquals(">", rel.getOperator());
BindingDescr bind = (BindingDescr) rel.getLeft();
assertEquals("$x", bind.getVariable());
assertEquals("property", bind.getExpression());
AtomicExprDescr right = (AtomicExprDescr) rel.getRight();
assertEquals("value", right.getExpression());
rel = (RelationalExprDescr) result.getDescrs().get(1);
assertEquals("<", rel.getOperator());
AtomicExprDescr left = (AtomicExprDescr) rel.getLeft();
assertEquals("property", left.getExpression());
right = (AtomicExprDescr) rel.getRight();
assertEquals("20", right.getExpression());
}
use of org.drools.compiler.lang.descr.AtomicExprDescr in project drools by kiegroup.
the class DRLExprParserTest method testNestedExpression.
@Test(timeout = 10000L)
public void testNestedExpression() throws Exception {
// DROOLS-982
String source = "(((((((((((((((((((((((((((((((((((((((((((((((((( a > b ))))))))))))))))))))))))))))))))))))))))))))))))))";
ConstraintConnectiveDescr result = parser.parse(source);
assertFalse(parser.getErrors().toString(), parser.hasErrors());
assertEquals(ConnectiveType.AND, result.getConnective());
assertEquals(1, result.getDescrs().size());
RelationalExprDescr expr = (RelationalExprDescr) result.getDescrs().get(0);
assertEquals(">", expr.getOperator());
AtomicExprDescr left = (AtomicExprDescr) expr.getLeft();
AtomicExprDescr right = (AtomicExprDescr) expr.getRight();
assertEquals("a", left.getExpression());
assertEquals("b", right.getExpression());
}
use of org.drools.compiler.lang.descr.AtomicExprDescr in project drools by kiegroup.
the class DRLExprParserTest method testAndConnective.
@Test
public void testAndConnective() throws Exception {
String source = "a > b && 10 != 20";
ConstraintConnectiveDescr result = parser.parse(source);
assertFalse(parser.getErrors().toString(), parser.hasErrors());
assertEquals(ConnectiveType.AND, result.getConnective());
assertEquals(2, result.getDescrs().size());
RelationalExprDescr expr = (RelationalExprDescr) result.getDescrs().get(0);
assertEquals(">", expr.getOperator());
AtomicExprDescr left = (AtomicExprDescr) expr.getLeft();
AtomicExprDescr right = (AtomicExprDescr) expr.getRight();
assertEquals("a", left.getExpression());
assertEquals("b", right.getExpression());
expr = (RelationalExprDescr) result.getDescrs().get(1);
assertEquals("!=", expr.getOperator());
left = (AtomicExprDescr) expr.getLeft();
right = (AtomicExprDescr) expr.getRight();
assertEquals("10", left.getExpression());
assertEquals("20", right.getExpression());
}
use of org.drools.compiler.lang.descr.AtomicExprDescr 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;
}
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