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-rw-r--r--lib/Sema/AnalysisBasedWarnings.cpp74
1 files changed, 43 insertions, 31 deletions
diff --git a/lib/Sema/AnalysisBasedWarnings.cpp b/lib/Sema/AnalysisBasedWarnings.cpp
index e2d1e8c331..71bf3359ea 100644
--- a/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/lib/Sema/AnalysisBasedWarnings.cpp
@@ -592,7 +592,8 @@ private:
//===----------------------------------------------------------------------===//
namespace clang {
namespace thread_safety {
-typedef std::pair<SourceLocation, PartialDiagnostic> DelayedDiag;
+typedef llvm::SmallVector<PartialDiagnosticAt, 1> OptionalNotes;
+typedef std::pair<PartialDiagnosticAt, OptionalNotes> DelayedDiag;
typedef llvm::SmallVector<DelayedDiag, 4> DiagList;
struct SortDiagBySourceLocation {
@@ -602,8 +603,8 @@ struct SortDiagBySourceLocation {
bool operator()(const DelayedDiag &left, const DelayedDiag &right) {
// Although this call will be slow, this is only called when outputting
// multiple warnings.
- return S.getSourceManager().isBeforeInTranslationUnit(left.first,
- right.first);
+ return S.getSourceManager().isBeforeInTranslationUnit(left.first.first,
+ right.first.first);
}
};
@@ -611,7 +612,7 @@ namespace {
class ThreadSafetyReporter : public clang::thread_safety::ThreadSafetyHandler {
Sema &S;
DiagList Warnings;
- SourceLocation FunLocation;
+ SourceLocation FunLocation, FunEndLocation;
// Helper functions
void warnLockMismatch(unsigned DiagID, Name LockName, SourceLocation Loc) {
@@ -619,13 +620,13 @@ class ThreadSafetyReporter : public clang::thread_safety::ThreadSafetyHandler {
// precise source location.
if (!Loc.isValid())
Loc = FunLocation;
- PartialDiagnostic Warning = S.PDiag(DiagID) << LockName;
- Warnings.push_back(DelayedDiag(Loc, Warning));
+ PartialDiagnosticAt Warning(Loc, S.PDiag(DiagID) << LockName);
+ Warnings.push_back(DelayedDiag(Warning, OptionalNotes()));
}
public:
- ThreadSafetyReporter(Sema &S, SourceLocation FL)
- : S(S), FunLocation(FL) {}
+ ThreadSafetyReporter(Sema &S, SourceLocation FL, SourceLocation FEL)
+ : S(S), FunLocation(FL), FunEndLocation(FEL) {}
/// \brief Emit all buffered diagnostics in order of sourcelocation.
/// We need to output diagnostics produced while iterating through
@@ -635,13 +636,18 @@ class ThreadSafetyReporter : public clang::thread_safety::ThreadSafetyHandler {
SortDiagBySourceLocation SortDiagBySL(S);
sort(Warnings.begin(), Warnings.end(), SortDiagBySL);
for (DiagList::iterator I = Warnings.begin(), E = Warnings.end();
- I != E; ++I)
- S.Diag(I->first, I->second);
+ I != E; ++I) {
+ S.Diag(I->first.first, I->first.second);
+ const OptionalNotes &Notes = I->second;
+ for (unsigned NoteI = 0, NoteN = Notes.size(); NoteI != NoteN; ++NoteI)
+ S.Diag(Notes[NoteI].first, Notes[NoteI].second);
+ }
}
void handleInvalidLockExp(SourceLocation Loc) {
- PartialDiagnostic Warning = S.PDiag(diag::warn_cannot_resolve_lock) << Loc;
- Warnings.push_back(DelayedDiag(Loc, Warning));
+ PartialDiagnosticAt Warning(Loc,
+ S.PDiag(diag::warn_cannot_resolve_lock) << Loc);
+ Warnings.push_back(DelayedDiag(Warning, OptionalNotes()));
}
void handleUnmatchedUnlock(Name LockName, SourceLocation Loc) {
warnLockMismatch(diag::warn_unlock_but_no_lock, LockName, Loc);
@@ -651,12 +657,13 @@ class ThreadSafetyReporter : public clang::thread_safety::ThreadSafetyHandler {
warnLockMismatch(diag::warn_double_lock, LockName, Loc);
}
- void handleMutexHeldEndOfScope(Name LockName, SourceLocation Loc,
+ void handleMutexHeldEndOfScope(Name LockName, SourceLocation LocLocked,
+ SourceLocation LocEndOfScope,
LockErrorKind LEK){
unsigned DiagID = 0;
switch (LEK) {
case LEK_LockedSomePredecessors:
- DiagID = diag::warn_lock_at_end_of_scope;
+ DiagID = diag::warn_lock_some_predecessors;
break;
case LEK_LockedSomeLoopIterations:
DiagID = diag::warn_expecting_lock_held_on_loop;
@@ -665,18 +672,22 @@ class ThreadSafetyReporter : public clang::thread_safety::ThreadSafetyHandler {
DiagID = diag::warn_no_unlock;
break;
}
- warnLockMismatch(DiagID, LockName, Loc);
+ if (LocEndOfScope.isInvalid())
+ LocEndOfScope = FunEndLocation;
+
+ PartialDiagnosticAt Warning(LocEndOfScope, S.PDiag(DiagID) << LockName);
+ PartialDiagnosticAt Note(LocLocked, S.PDiag(diag::note_locked_here));
+ Warnings.push_back(DelayedDiag(Warning, OptionalNotes(1, Note)));
}
void handleExclusiveAndShared(Name LockName, SourceLocation Loc1,
SourceLocation Loc2) {
- PartialDiagnostic Warning =
- S.PDiag(diag::warn_lock_exclusive_and_shared) << LockName;
- PartialDiagnostic Note =
- S.PDiag(diag::note_lock_exclusive_and_shared) << LockName;
- Warnings.push_back(DelayedDiag(Loc1, Warning));
- Warnings.push_back(DelayedDiag(Loc2, Note));
+ PartialDiagnosticAt Warning(
+ Loc1, S.PDiag(diag::warn_lock_exclusive_and_shared) << LockName);
+ PartialDiagnosticAt Note(
+ Loc2, S.PDiag(diag::note_lock_exclusive_and_shared) << LockName);
+ Warnings.push_back(DelayedDiag(Warning, OptionalNotes(1, Note)));
}
void handleNoMutexHeld(const NamedDecl *D, ProtectedOperationKind POK,
@@ -686,9 +697,9 @@ class ThreadSafetyReporter : public clang::thread_safety::ThreadSafetyHandler {
unsigned DiagID = POK == POK_VarAccess?
diag::warn_variable_requires_any_lock:
diag::warn_var_deref_requires_any_lock;
- PartialDiagnostic Warning = S.PDiag(DiagID)
- << D->getName() << getLockKindFromAccessKind(AK);
- Warnings.push_back(DelayedDiag(Loc, Warning));
+ PartialDiagnosticAt Warning(Loc, S.PDiag(DiagID)
+ << D->getName() << getLockKindFromAccessKind(AK));
+ Warnings.push_back(DelayedDiag(Warning, OptionalNotes()));
}
void handleMutexNotHeld(const NamedDecl *D, ProtectedOperationKind POK,
@@ -705,15 +716,15 @@ class ThreadSafetyReporter : public clang::thread_safety::ThreadSafetyHandler {
DiagID = diag::warn_fun_requires_lock;
break;
}
- PartialDiagnostic Warning = S.PDiag(DiagID)
- << D->getName() << LockName << LK;
- Warnings.push_back(DelayedDiag(Loc, Warning));
+ PartialDiagnosticAt Warning(Loc, S.PDiag(DiagID)
+ << D->getName() << LockName << LK);
+ Warnings.push_back(DelayedDiag(Warning, OptionalNotes()));
}
void handleFunExcludesLock(Name FunName, Name LockName, SourceLocation Loc) {
- PartialDiagnostic Warning =
- S.PDiag(diag::warn_fun_excludes_mutex) << FunName << LockName;
- Warnings.push_back(DelayedDiag(Loc, Warning));
+ PartialDiagnosticAt Warning(Loc,
+ S.PDiag(diag::warn_fun_excludes_mutex) << FunName << LockName);
+ Warnings.push_back(DelayedDiag(Warning, OptionalNotes()));
}
};
}
@@ -897,7 +908,8 @@ AnalysisBasedWarnings::IssueWarnings(sema::AnalysisBasedWarnings::Policy P,
// Check for thread safety violations
if (P.enableThreadSafetyAnalysis) {
SourceLocation FL = AC.getDecl()->getLocation();
- thread_safety::ThreadSafetyReporter Reporter(S, FL);
+ SourceLocation FEL = AC.getDecl()->getLocEnd();
+ thread_safety::ThreadSafetyReporter Reporter(S, FL, FEL);
thread_safety::runThreadSafetyAnalysis(AC, Reporter);
Reporter.emitDiagnostics();
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-15 17:48:18 +0000