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Attribute nonnull can be applied to block pointers. 

llvm-svn: 59499
This commit is contained in:
Ted Kremenek 2008-11-18 06:52:58 +00:00
parent 746d474b28
commit 5fa5052d50
1 changed files with 6 additions and 3 deletions
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9
clang/lib/Sema/SemaDeclAttr.cpp
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@ -341,7 +341,8 @@ static void HandleNonNullAttr(Decl *d, const AttributeList &Attr, Sema &S) {
--x;
// Is the function argument a pointer type?
if (!getFunctionOrMethodArgType(d, x)->isPointerType()) {
QualType T = getFunctionOrMethodArgType(d, x);
if (!T->isPointerType() && !T->isBlockPointerType()) {
// FIXME: Should also highlight argument in decl.
S.Diag(Attr.getLoc(), diag::err_nonnull_pointers_only,
"nonnull", Ex->getSourceRange());
@ -354,9 +355,11 @@ static void HandleNonNullAttr(Decl *d, const AttributeList &Attr, Sema &S) {
// If no arguments were specified to __attribute__((nonnull)) then all
// pointer arguments have a nonnull attribute.
if (NonNullArgs.empty()) {
for (unsigned I = 0, E = getFunctionOrMethodNumArgs(d); I != E; ++I)
if (getFunctionOrMethodArgType(d, I)->isPointerType())
for (unsigned I = 0, E = getFunctionOrMethodNumArgs(d); I != E; ++I) {
QualType T = getFunctionOrMethodArgType(d, I);
if (T->isPointerType() || T->isBlockPointerType())
NonNullArgs.push_back(I);
}
if (NonNullArgs.empty()) {
S.Diag(Attr.getLoc(), diag::warn_attribute_nonnull_no_pointers);