protected Expression unary_expression()
{
Expression e;
IToken sub = null;
IToken inc = null;
IToken dec = null;
IToken oc = null;
IToken explode = null;
IToken postinc = null;
IToken postdec = null;
e = null;
IToken op = null;
UnaryOperatorType uOperator = UnaryOperatorType.None;
try { // for error handling
{
bool synPredMatched543 = false;
if (((LA(1)==SUBTRACT||LA(1)==LONG||LA(1)==INT) && (tokenSet_74_.member(LA(2)))))
{
int _m543 = mark();
synPredMatched543 = true;
inputState.guessing++;
try {
{
match(SUBTRACT);
match(LONG);
}
}
catch (RecognitionException)
{
synPredMatched543 = false;
}
rewind(_m543);
inputState.guessing--;
}
if ( synPredMatched543 )
{
{
e=integer_literal();
}
}
else if ((tokenSet_122_.member(LA(1))) && (tokenSet_114_.member(LA(2)))) {
{
{
switch ( LA(1) )
{
case SUBTRACT:
{
sub = LT(1);
match(SUBTRACT);
if (0==inputState.guessing)
{
op = sub; uOperator = UnaryOperatorType.UnaryNegation;
}
break;
}
case INCREMENT:
{
inc = LT(1);
match(INCREMENT);
if (0==inputState.guessing)
{
op = inc; uOperator = UnaryOperatorType.Increment;
}
break;
}
case DECREMENT:
{
dec = LT(1);
match(DECREMENT);
if (0==inputState.guessing)
{
op = dec; uOperator = UnaryOperatorType.Decrement;
}
break;
}
case ONES_COMPLEMENT:
{
oc = LT(1);
match(ONES_COMPLEMENT);
if (0==inputState.guessing)
{
op = oc; uOperator = UnaryOperatorType.OnesComplement;
}
break;
}
case MULTIPLY:
{
explode = LT(1);
match(MULTIPLY);
if (0==inputState.guessing)
{
op = explode; uOperator = UnaryOperatorType.Explode;
}
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
e=unary_expression();
}
}
else if ((tokenSet_34_.member(LA(1))) && (tokenSet_123_.member(LA(2)))) {
{
e=slicing_expression();
{
if ((LA(1)==INCREMENT) && (tokenSet_74_.member(LA(2))))
{
postinc = LT(1);
match(INCREMENT);
if (0==inputState.guessing)
{
op = postinc; uOperator = UnaryOperatorType.PostIncrement;
}
}
else if ((LA(1)==DECREMENT) && (tokenSet_74_.member(LA(2)))) {
postdec = LT(1);
match(DECREMENT);
if (0==inputState.guessing)
{
op = postdec; uOperator = UnaryOperatorType.PostDecrement;
}
}
else if ((tokenSet_74_.member(LA(1))) && (tokenSet_15_.member(LA(2)))) {
}
else
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
}
else
{
throw new NoViableAltException(LT(1), getFilename());
}
}
if (0==inputState.guessing)
{
if (null != op)
{
UnaryExpression ue = new UnaryExpression(ToLexicalInfo(op));
ue.Operator = uOperator;
ue.Operand = e;
e = ue;
}
}
}
catch (RecognitionException ex)
{
if (0 == inputState.guessing)
{
reportError(ex, "unary_expression");
recover(ex,tokenSet_74_);
}
else
{
throw ex;
}
}
return e;
}
