Added support to StmtIterator to traverse the size expression of a VLA type
declared in a sizeof. For example:
sizeof(int[foo()]);
the expression "foo()" is an expression that is executed during the evaluation
of sizeof.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45043 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/StmtIterator.cpp b/AST/StmtIterator.cpp
index ae6de11..94a5397 100644
--- a/AST/StmtIterator.cpp
+++ b/AST/StmtIterator.cpp
@@ -31,19 +31,21 @@
void StmtIteratorBase::NextVA() {
assert (getVAPtr());
- assert (decl);
VariableArrayType* p = getVAPtr();
p = FindVA(p->getElementType().getTypePtr());
setVAPtr(p);
- if (!p) {
+ if (!p && decl) {
if (VarDecl* VD = dyn_cast<VarDecl>(decl))
if (VD->Init)
return;
NextDecl();
}
+ else {
+ RawVAPtr = 0;
+ }
}
void StmtIteratorBase::NextDecl(bool ImmediateAdvance) {
@@ -94,6 +96,12 @@
NextDecl(false);
}
+StmtIteratorBase::StmtIteratorBase(VariableArrayType* t)
+: decl(NULL), RawVAPtr(VASizeMode) {
+ RawVAPtr |= reinterpret_cast<uintptr_t>(t);
+}
+
+
Stmt*& StmtIteratorBase::GetDeclExpr() const {
if (VariableArrayType* VAPtr = getVAPtr()) {
assert (VAPtr->SizeExpr);