gAlfonso-bit updated this revision to Diff 365224.
gAlfonso-bit added a comment.
Moved warnReturnTypestateForUnconsumableType back to SemaDeclCXX
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D107723/new/
https://reviews.llvm.org/D107723
Files:
clang/include/clang/Analysis/Analyses/Consumed.h
clang/lib/Analysis/Consumed.cpp
clang/lib/Sema/AnalysisBasedWarnings.cpp
clang/lib/Sema/SemaDeclAttr.cpp
clang/test/SemaCXX/warn-consumed-analysis.cpp
clang/test/SemaCXX/warn-consumed-parsing.cpp
Index: clang/test/SemaCXX/warn-consumed-parsing.cpp
===================================================================
--- clang/test/SemaCXX/warn-consumed-parsing.cpp
+++ clang/test/SemaCXX/warn-consumed-parsing.cpp
@@ -6,16 +6,6 @@
#define RETURN_TYPESTATE(state) __attribute__ ((return_typestate(state)))
#define TEST_TYPESTATE(state) __attribute__ ((test_typestate(state)))
-// FIXME: This test is here because the warning is issued by the Consumed
-// analysis, not SemaDeclAttr. The analysis won't run after an error
-// has been issued. Once the attribute propagation for template
-// instantiation has been fixed, this can be moved somewhere else and the
-// definition can be removed.
-int returnTypestateForUnconsumable() RETURN_TYPESTATE(consumed); // expected-warning {{return state set for an unconsumable type 'int'}}
-int returnTypestateForUnconsumable() {
- return 0;
-}
-
class AttrTester0 {
void consumes() __attribute__ ((set_typestate())); // expected-error {{'set_typestate' attribute takes one argument}}
bool testUnconsumed() __attribute__ ((test_typestate())); // expected-error {{'test_typestate' attribute takes one argument}}
Index: clang/test/SemaCXX/warn-consumed-analysis.cpp
===================================================================
--- clang/test/SemaCXX/warn-consumed-analysis.cpp
+++ clang/test/SemaCXX/warn-consumed-analysis.cpp
@@ -74,6 +74,11 @@
void baf5(ConsumableClass<int> *var);
void baf6(ConsumableClass<int> &&var);
+int returnTypestateForUnconsumable() RETURN_TYPESTATE(consumed); // expected-warning {{return state set for an unconsumable type 'int'}}
+int returnTypestateForUnconsumable() {
+ return 0;
+}
+
ConsumableClass<int> returnsUnconsumed() {
return ConsumableClass<int>(); // expected-warning {{return value not in expected state; expected 'unconsumed', observed 'consumed'}}
}
Index: clang/lib/Sema/SemaDeclAttr.cpp
===================================================================
--- clang/lib/Sema/SemaDeclAttr.cpp
+++ clang/lib/Sema/SemaDeclAttr.cpp
@@ -1190,17 +1190,14 @@
return;
}
- // FIXME: This check is currently being done in the analysis. It can be
- // enabled here only after the parser propagates attributes at
- // template specialization definition, not declaration.
- //QualType ReturnType = cast<ParmVarDecl>(D)->getType();
- //const CXXRecordDecl *RD = ReturnType->getAsCXXRecordDecl();
- //
- //if (!RD || !RD->hasAttr<ConsumableAttr>()) {
- // S.Diag(AL.getLoc(), diag::warn_return_state_for_unconsumable_type) <<
- // ReturnType.getAsString();
- // return;
- //}
+ QualType ReturnType = cast<ParmVarDecl>(D)->getType();
+ const CXXRecordDecl *RD = ReturnType->getAsCXXRecordDecl();
+
+ if (!RD || !RD->hasAttr<ConsumableAttr>()) {
+ S.Diag(AL.getLoc(), diag::warn_return_typestate_for_unconsumable_type)
+ << ReturnType.getAsString();
+ return;
+ }
D->addAttr(::new (S.Context) ParamTypestateAttr(S.Context, AL, ParamState));
}
@@ -1222,30 +1219,27 @@
return;
}
- // FIXME: This check is currently being done in the analysis. It can be
- // enabled here only after the parser propagates attributes at
- // template specialization definition, not declaration.
- //QualType ReturnType;
- //
- //if (const ParmVarDecl *Param = dyn_cast<ParmVarDecl>(D)) {
- // ReturnType = Param->getType();
- //
- //} else if (const CXXConstructorDecl *Constructor =
- // dyn_cast<CXXConstructorDecl>(D)) {
- // ReturnType = Constructor->getThisType()->getPointeeType();
- //
- //} else {
- //
- // ReturnType = cast<FunctionDecl>(D)->getCallResultType();
- //}
- //
- //const CXXRecordDecl *RD = ReturnType->getAsCXXRecordDecl();
- //
- //if (!RD || !RD->hasAttr<ConsumableAttr>()) {
- // S.Diag(Attr.getLoc(), diag::warn_return_state_for_unconsumable_type) <<
- // ReturnType.getAsString();
- // return;
- //}
+ QualType ReturnType;
+
+ if (const ParmVarDecl *Param = dyn_cast<ParmVarDecl>(D)) {
+ ReturnType = Param->getType();
+
+ } else if (const CXXConstructorDecl *Constructor =
+ dyn_cast<CXXConstructorDecl>(D)) {
+ ReturnType = Constructor->getThisType()->getPointeeType();
+
+ } else {
+
+ ReturnType = cast<FunctionDecl>(D)->getCallResultType();
+ }
+
+ const CXXRecordDecl *RD = ReturnType->getAsCXXRecordDecl();
+
+ if (!RD || !RD->hasAttr<ConsumableAttr>()) {
+ S.Diag(AL.getLoc(), diag::warn_return_typestate_for_unconsumable_type)
+ << ReturnType.getAsString();
+ return;
+ }
D->addAttr(::new (S.Context) ReturnTypestateAttr(S.Context, AL, ReturnState));
}
Index: clang/lib/Sema/AnalysisBasedWarnings.cpp
===================================================================
--- clang/lib/Sema/AnalysisBasedWarnings.cpp
+++ clang/lib/Sema/AnalysisBasedWarnings.cpp
@@ -2109,14 +2109,6 @@
Warnings.emplace_back(std::move(Warning), OptionalNotes());
}
- void warnReturnTypestateForUnconsumableType(SourceLocation Loc,
- StringRef TypeName) override {
- PartialDiagnosticAt Warning(Loc, S.PDiag(
- diag::warn_return_typestate_for_unconsumable_type) << TypeName);
-
- Warnings.emplace_back(std::move(Warning), OptionalNotes());
- }
-
void warnReturnTypestateMismatch(SourceLocation Loc, StringRef ExpectedState,
StringRef ObservedState) override {
Index: clang/lib/Analysis/Consumed.cpp
===================================================================
--- clang/lib/Analysis/Consumed.cpp
+++ clang/lib/Analysis/Consumed.cpp
@@ -1206,12 +1206,6 @@
if (const ReturnTypestateAttr *RTSAttr = D->getAttr<ReturnTypestateAttr>()) {
const CXXRecordDecl *RD = ReturnType->getAsCXXRecordDecl();
if (!RD || !RD->hasAttr<ConsumableAttr>()) {
- // FIXME: This should be removed when template instantiation propagates
- // attributes at template specialization definition, not
- // declaration. When it is removed the test needs to be enabled
- // in SemaDeclAttr.cpp.
- WarningsHandler.warnReturnTypestateForUnconsumableType(
- RTSAttr->getLocation(), ReturnType.getAsString());
ExpectedReturnState = CS_None;
} else
ExpectedReturnState = mapReturnTypestateAttrState(RTSAttr);
Index: clang/include/clang/Analysis/Analyses/Consumed.h
===================================================================
--- clang/include/clang/Analysis/Analyses/Consumed.h
+++ clang/include/clang/Analysis/Analyses/Consumed.h
@@ -89,16 +89,6 @@
StringRef ExpectedState,
StringRef ObservedState) {}
- // FIXME: This can be removed when the attr propagation fix for templated
- // classes lands.
- /// Warn about return typestates set for unconsumable types.
- ///
- /// \param Loc -- The location of the attributes.
- ///
- /// \param TypeName -- The name of the unconsumable type.
- virtual void warnReturnTypestateForUnconsumableType(SourceLocation Loc,
- StringRef TypeName) {}
-
/// Warn about return typestate mismatches.
///
/// \param Loc -- The SourceLocation of the return statement.
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