public IExpression term() //throws RecognitionException, TokenStreamException
{
IExpression expression = null;
returnAST = null;
ASTPair currentAST = new ASTPair();
AST term_AST = null;
IExpression expressionRhs = null;
expression=factor();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
{ // ( ... )*
for (;;)
{
if ((LA(1)==ASTERISK||LA(1)==SOLIDUS) && (tokenSet_9_.member(LA(2))))
{
factor_op();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
expressionRhs=factor();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
if (0==inputState.guessing)
{
ITwoPartExpression twoPartExpression = new TwoPartExpression();
twoPartExpression.Lhs = expression;
twoPartExpression.Rhs = expressionRhs;
expression = twoPartExpression;
}
}
else
{
goto _loop376_breakloop;
}
}
_loop376_breakloop: ;
} // ( ... )*
term_AST = currentAST.root;
returnAST = term_AST;
return expression;
}
public ITwoPartExpression comp_predicate() //throws RecognitionException, TokenStreamException
{
ITwoPartExpression twoPartExpression = null;
returnAST = null;
ASTPair currentAST = new ASTPair();
AST comp_predicate_AST = null;
IExpression expressionRhs = null;
SqlOperator op;
op=comp_op();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
expressionRhs=row_value_constructor();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
if (0==inputState.guessing)
{
twoPartExpression = new TwoPartExpression();
twoPartExpression.Rhs = expressionRhs;
twoPartExpression.Operator = op;
}
comp_predicate_AST = currentAST.root;
returnAST = comp_predicate_AST;
return twoPartExpression;
}
public IExpression boolean_term() //throws RecognitionException, TokenStreamException
{
IExpression expression = null;
returnAST = null;
ASTPair currentAST = new ASTPair();
AST boolean_term_AST = null;
IExpression expressionRhs = null;
expression=boolean_factor();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
{ // ( ... )*
for (;;)
{
if ((LA(1)==SQL2RW_and))
{
boolean_factor_op();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
expressionRhs=boolean_factor();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
if (0==inputState.guessing)
{
ITwoPartExpression twoPartExpression = new TwoPartExpression();
twoPartExpression.Lhs = expression;
twoPartExpression.Rhs = expressionRhs;
twoPartExpression.Operator = SqlOperator.BooleanFactorOperator;
expression = twoPartExpression;
}
}
else
{
goto _loop200_breakloop;
}
}
_loop200_breakloop: ;
} // ( ... )*
boolean_term_AST = currentAST.root;
returnAST = boolean_term_AST;
return expression;
}
public IExpression predicate() //throws RecognitionException, TokenStreamException
{
IExpression expression = null;
returnAST = null;
ASTPair currentAST = new ASTPair();
AST predicate_AST = null;
ITwoPartExpression twoPartExpression = null;
ILikeExpression likeExpression = null;
INullExpression nullExpression = null;
bool bNot = false;
if ((tokenSet_25_.member(LA(1))))
{
expression=row_value_constructor();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
{
switch ( LA(1) )
{
case SQL2RW_between:
case SQL2RW_in:
case SQL2RW_like:
case SQL2RW_not:
{
{
if ((LA(1)==SQL2RW_not))
{
AST tmp111_AST = null;
tmp111_AST = astFactory.create(LT(1));
astFactory.addASTChild(ref currentAST, tmp111_AST);
match(SQL2RW_not);
if (0==inputState.guessing)
{
bNot = true;
}
}
else if ((LA(1)==SQL2RW_between||LA(1)==SQL2RW_in||LA(1)==SQL2RW_like)) {
}
else
{
throw new NoViableAltException(LT(1), getFilename());
}
}
{
if ((LA(1)==SQL2RW_between))
{
between_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
}
else if ((LA(1)==SQL2RW_in)) {
in_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
}
else if ((LA(1)==SQL2RW_like)) {
likeExpression=like_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
if (0==inputState.guessing)
{
twoPartExpression = new TwoPartExpression();
twoPartExpression.Lhs = expression;
twoPartExpression.Rhs = likeExpression;
twoPartExpression.Not = bNot;
expression = twoPartExpression;
}
}
else
{
throw new NoViableAltException(LT(1), getFilename());
}
}
break;
}
case SQL2RW_is:
{
nullExpression=null_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
if (0==inputState.guessing)
{
twoPartExpression = new TwoPartExpression();
twoPartExpression.Lhs = expression;
twoPartExpression.Rhs = nullExpression;
expression = twoPartExpression;
}
break;
}
case SQL2RW_match:
{
match_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
break;
}
case SQL2RW_overlaps:
{
overlaps_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
break;
}
default:
if ((LA(1)==NOT_EQUALS_OP||LA(1)==LESS_THAN_OR_EQUALS_OP||LA(1)==GREATER_THAN_OR_EQUALS_OP||LA(1)==LESS_THAN_OP||LA(1)==EQUALS_OP||LA(1)==GREATER_THAN_OP) && (tokenSet_25_.member(LA(2))))
{
twoPartExpression=comp_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
if (0==inputState.guessing)
{
twoPartExpression.Lhs = expression;
expression = twoPartExpression;
}
}
else if ((LA(1)==NOT_EQUALS_OP||LA(1)==LESS_THAN_OR_EQUALS_OP||LA(1)==GREATER_THAN_OR_EQUALS_OP||LA(1)==LESS_THAN_OP||LA(1)==EQUALS_OP||LA(1)==GREATER_THAN_OP) && (LA(2)==SQL2RW_all||LA(2)==SQL2RW_any||LA(2)==SQL2RW_some)) {
quantified_comp_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
}
else
{
throw new NoViableAltException(LT(1), getFilename());
}
break; }
}
predicate_AST = currentAST.root;
}
else if ((LA(1)==SQL2RW_exists)) {
exists_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
predicate_AST = currentAST.root;
}
else if ((LA(1)==SQL2RW_unique)) {
unique_predicate();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
predicate_AST = currentAST.root;
}
else
{
throw new NoViableAltException(LT(1), getFilename());
}
returnAST = predicate_AST;
return expression;
}
public IExpression value_exp() //throws RecognitionException, TokenStreamException
{
IExpression expression = null;
returnAST = null;
ASTPair currentAST = new ASTPair();
AST value_exp_AST = null;
IExpression expressionRhs = null;
expression=term();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
{ // ( ... )*
for (;;)
{
if ((LA(1)==MINUS_SIGN||LA(1)==CONCATENATION_OP||LA(1)==PLUS_SIGN) && (tokenSet_9_.member(LA(2))))
{
{
if ((LA(1)==MINUS_SIGN||LA(1)==PLUS_SIGN))
{
term_op();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
}
else if ((LA(1)==CONCATENATION_OP)) {
AST tmp52_AST = null;
tmp52_AST = astFactory.create(LT(1));
astFactory.addASTChild(ref currentAST, tmp52_AST);
match(CONCATENATION_OP);
}
else
{
throw new NoViableAltException(LT(1), getFilename());
}
}
expressionRhs=term();
if (0 == inputState.guessing)
{
astFactory.addASTChild(ref currentAST, returnAST);
}
if (0==inputState.guessing)
{
ITwoPartExpression twoPartExpression = new TwoPartExpression();
twoPartExpression.Lhs = expression;
twoPartExpression.Rhs = expressionRhs;
expression = twoPartExpression;
}
}
else
{
goto _loop360_breakloop;
}
}
_loop360_breakloop: ;
} // ( ... )*
value_exp_AST = currentAST.root;
returnAST = value_exp_AST;
return expression;
}
