ValueType: Support ++/--.

This commit is contained in:
PKEuS 2016-02-05 12:06:44 +01:00
parent 2b179dc836
commit 792835cd9a
2 changed files with 5 additions and 3 deletions

View File

@ -3738,7 +3738,7 @@ static void setValueType(Token *tok, const ValueType &valuetype, bool cpp, Value
if (ternary)
parent = const_cast<Token*>(parent->astParent());
if (ternary || parent->isArithmeticalOp()) {
if (ternary || parent->isArithmeticalOp() || parent->tokType() == Token::eIncDecOp) {
if (vt1->pointer != 0U && vt2 && vt2->pointer == 0U) {
setValueType(parent, *vt1, cpp, defaultSignedness);
return;
@ -3750,7 +3750,7 @@ static void setValueType(Token *tok, const ValueType &valuetype, bool cpp, Value
}
if (vt1->pointer != 0U) {
if (ternary) // result is pointer
if (ternary || parent->tokType() == Token::eIncDecOp) // result is pointer
setValueType(parent, *vt1, cpp, defaultSignedness);
else // result is pointer diff
setValueType(parent, ValueType(ValueType::Sign::UNSIGNED, ValueType::Type::INT, 0U, 0U, "ptrdiff_t"), cpp, defaultSignedness);
@ -3773,7 +3773,7 @@ static void setValueType(Token *tok, const ValueType &valuetype, bool cpp, Value
if (vt1->isIntegral() && vt1->pointer == 0U &&
(!vt2 || (vt2->isIntegral() && vt2->pointer == 0U)) &&
(ternary || parent->isArithmeticalOp() || parent->tokType() == Token::eBitOp || parent->isAssignmentOp())) {
(ternary || parent->isArithmeticalOp() || parent->tokType() == Token::eBitOp || parent->tokType() == Token::eIncDecOp || parent->isAssignmentOp())) {
ValueType vt;
if (!vt2 || vt1->type > vt2->type) {

View File

@ -3189,6 +3189,8 @@ private:
ASSERT_EQUALS("long double", typeOf("long double x; dostuff(x,1);", "x ,"));
ASSERT_EQUALS("long double *", typeOf("long double x; dostuff(&x,1);", "& x ,"));
ASSERT_EQUALS("signed int", typeOf("struct X {int i;}; void f(struct X x) { x.i }", "."));
ASSERT_EQUALS("signed int *", typeOf("int *p; a = p++;", "++"));
ASSERT_EQUALS("signed int", typeOf("int x; a = x++;", "++"));
// Unary arithmetic/bit operators
ASSERT_EQUALS("signed int", typeOf("int x; a = -x;", "-"));