================
@@ -6796,14 +6836,25 @@ QualType ASTContext::getTagDeclType(const TagDecl
*Decl) const {
/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result
/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and
/// needs to agree with the definition in <stddef.h>.
-CanQualType ASTContext::getSizeType() const {
+QualType ASTContext::getSizeType() const { return SizeType; }
+
+CanQualType ASTContext::getCanonicalSizeType() const {
return getFromTargetType(Target->getSizeType());
}
/// Return the unique signed counterpart of the integer type
/// corresponding to size_t.
-CanQualType ASTContext::getSignedSizeType() const {
- return getFromTargetType(Target->getSignedSizeType());
+QualType ASTContext::getSignedSizeType() const { return SignedSizeType; }
+
+/// getPointerDiffType - Return the unique type for "ptrdiff_t" (C99 7.17)
+/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9).
+QualType ASTContext::getPointerDiffType() const { return PtrdiffType; }
+
+/// Return the unique unsigned counterpart of "ptrdiff_t"
+/// integer type. The standard (C11 7.21.6.1p7) refers to this type
+/// in the definition of %tu format specifier.
+QualType ASTContext::getUnsignedPointerDiffType() const {
+ return getFromTargetType(Target->getUnsignedPtrDiffType(LangAS::Default));
}
----------------
YexuanXiao wrote:
The core language does not use `signed` `ptrdiff_t`; it only exists in `printf`
and `scanf`, so currently there's no point in making it a sugar type.
https://github.com/llvm/llvm-project/pull/143653
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