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-rw-r--r--lib/Sema/SemaType.cpp56
-rw-r--r--test/FixIt/Inputs/nullability.h8
-rw-r--r--test/FixIt/nullability.mm6
3 files changed, 48 insertions, 22 deletions
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index eabed44c18..aa3887962d 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -3443,31 +3443,39 @@ static FileID getNullabilityCompletenessCheckFileID(Sema &S,
/// Creates a fix-it to insert a C-style nullability keyword at \p pointerLoc,
/// taking into account whitespace before and after.
-static FixItHint fixItNullability(Sema &S, SourceLocation PointerLoc,
- NullabilityKind Nullability) {
+static void fixItNullability(Sema &S, DiagnosticBuilder &Diag,
+ SourceLocation PointerLoc,
+ NullabilityKind Nullability) {
assert(PointerLoc.isValid());
+ if (PointerLoc.isMacroID())
+ return;
+
+ SourceLocation FixItLoc = S.getLocForEndOfToken(PointerLoc);
+ if (!FixItLoc.isValid() || FixItLoc == PointerLoc)
+ return;
+
+ const char *NextChar = S.SourceMgr.getCharacterData(FixItLoc);
+ if (!NextChar)
+ return;
SmallString<32> InsertionTextBuf{" "};
InsertionTextBuf += getNullabilitySpelling(Nullability);
InsertionTextBuf += " ";
StringRef InsertionText = InsertionTextBuf.str();
- SourceLocation FixItLoc = S.getLocForEndOfToken(PointerLoc);
- if (const char *NextChar = S.SourceMgr.getCharacterData(FixItLoc)) {
- if (isWhitespace(*NextChar)) {
- InsertionText = InsertionText.drop_back();
- } else if (NextChar[-1] == '[') {
- if (NextChar[0] == ']')
- InsertionText = InsertionText.drop_back().drop_front();
- else
- InsertionText = InsertionText.drop_front();
- } else if (!isIdentifierBody(NextChar[0], /*allow dollar*/true) &&
- !isIdentifierBody(NextChar[-1], /*allow dollar*/true)) {
+ if (isWhitespace(*NextChar)) {
+ InsertionText = InsertionText.drop_back();
+ } else if (NextChar[-1] == '[') {
+ if (NextChar[0] == ']')
InsertionText = InsertionText.drop_back().drop_front();
- }
+ else
+ InsertionText = InsertionText.drop_front();
+ } else if (!isIdentifierBody(NextChar[0], /*allow dollar*/true) &&
+ !isIdentifierBody(NextChar[-1], /*allow dollar*/true)) {
+ InsertionText = InsertionText.drop_back().drop_front();
}
- return FixItHint::CreateInsertion(FixItLoc, InsertionText);
+ Diag << FixItHint::CreateInsertion(FixItLoc, InsertionText);
}
static void emitNullabilityConsistencyWarning(Sema &S,
@@ -3482,11 +3490,14 @@ static void emitNullabilityConsistencyWarning(Sema &S,
<< static_cast<unsigned>(PointerKind);
}
+ if (PointerLoc.isMacroID())
+ return;
+
auto addFixIt = [&](NullabilityKind Nullability) {
- S.Diag(PointerLoc, diag::note_nullability_fix_it)
- << static_cast<unsigned>(Nullability)
- << static_cast<unsigned>(PointerKind)
- << fixItNullability(S, PointerLoc, Nullability);
+ auto Diag = S.Diag(PointerLoc, diag::note_nullability_fix_it);
+ Diag << static_cast<unsigned>(Nullability);
+ Diag << static_cast<unsigned>(PointerKind);
+ fixItNullability(S, Diag, PointerLoc, Nullability);
};
addFixIt(NullabilityKind::Nullable);
addFixIt(NullabilityKind::NonNull);
@@ -3888,9 +3899,10 @@ static TypeSourceInfo *GetFullTypeForDeclarator(TypeProcessingState &state,
if (pointerLoc.isValid() &&
complainAboutInferringWithinChunk !=
PointerWrappingDeclaratorKind::None) {
- S.Diag(pointerLoc, diag::warn_nullability_inferred_on_nested_type)
- << static_cast<int>(complainAboutInferringWithinChunk)
- << fixItNullability(S, pointerLoc, NullabilityKind::NonNull);
+ auto Diag =
+ S.Diag(pointerLoc, diag::warn_nullability_inferred_on_nested_type);
+ Diag << static_cast<int>(complainAboutInferringWithinChunk);
+ fixItNullability(S, Diag, pointerLoc, NullabilityKind::NonNull);
}
if (inferNullabilityInnerOnly)
diff --git a/test/FixIt/Inputs/nullability.h b/test/FixIt/Inputs/nullability.h
index 5dd5dfab3b..bdfa01e499 100644
--- a/test/FixIt/Inputs/nullability.h
+++ b/test/FixIt/Inputs/nullability.h
@@ -17,3 +17,11 @@ void arrayParameterWithStar(int x[*]); // expected-warning {{array parameter is
// expected-note@-2 {{insert '_Nonnull'}}
// CHECK: fix-it:"{{.*}}nullability.h":{[[@LINE-3]]:35-[[@LINE-3]]:35}:"_Nullable "
// CHECK: fix-it:"{{.*}}nullability.h":{[[@LINE-4]]:35-[[@LINE-4]]:35}:"_Nonnull "
+
+
+// No fix-its on either the macro definition or instantiation.
+// CHECK-NOT: fix-it:"{{.*}}nullability.h":{[[@LINE+2]]
+// CHECK-NOT: fix-it:"{{.*}}nullability.h":{[[@LINE+2]]
+#define PTR(X) X *
+PTR(int) a; // expected-warning{{pointer is missing a nullability type specifier}}
+#undef PTR
diff --git a/test/FixIt/nullability.mm b/test/FixIt/nullability.mm
index eb900bb446..815c844192 100644
--- a/test/FixIt/nullability.mm
+++ b/test/FixIt/nullability.mm
@@ -16,6 +16,12 @@ extern void* array2[2]; // expected-warning {{inferring '_Nonnull' for pointer t
extern void *nestedArray[2][3]; // expected-warning {{inferring '_Nonnull' for pointer type within array is deprecated}}
// CHECK: fix-it:"{{.*}}nullability.mm":{[[@LINE-1]]:14-[[@LINE-1]]:14}:" _Nonnull "
+// No fix-its on either the macro definition or instantiation.
+// CHECK-NOT: fix-it:"{{.*}}nullability.mm":{[[@LINE+2]]
+// CHECK-NOT: fix-it:"{{.*}}nullability.mm":{[[@LINE+2]]
+#define PTR(X) X *
+extern PTR(void) array[2]; // expected-warning {{inferring '_Nonnull' for pointer type within array is deprecated}}
+
typedef const void *CFTypeRef;