forked from OSchip/llvm-project
[clang-tidy] Apply NOLINT filtering to Clang warnings.
llvm-svn: 268555
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946ca27b61
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@ -174,20 +174,6 @@ DiagnosticBuilder ClangTidyContext::diag(
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StringRef CheckName, SourceLocation Loc, StringRef Description,
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DiagnosticIDs::Level Level /* = DiagnosticIDs::Warning*/) {
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assert(Loc.isValid());
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bool Invalid;
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const char *CharacterData =
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DiagEngine->getSourceManager().getCharacterData(Loc, &Invalid);
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if (!Invalid) {
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const char *P = CharacterData;
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while (*P != '\0' && *P != '\r' && *P != '\n')
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++P;
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StringRef RestOfLine(CharacterData, P - CharacterData + 1);
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// FIXME: Handle /\bNOLINT\b(\([^)]*\))?/ as cpplint.py does.
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if (RestOfLine.find("NOLINT") != StringRef::npos) {
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Level = DiagnosticIDs::Ignored;
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++Stats.ErrorsIgnoredNOLINT;
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}
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}
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unsigned ID = DiagEngine->getDiagnosticIDs()->getCustomDiagID(
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Level, (Description + " [" + CheckName + "]").str());
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if (CheckNamesByDiagnosticID.count(ID) == 0)
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@ -290,8 +276,31 @@ void ClangTidyDiagnosticConsumer::finalizeLastError() {
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LastErrorPassesLineFilter = false;
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}
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static bool LineIsMarkedWithNOLINT(SourceManager& SM, SourceLocation Loc) {
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bool Invalid;
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const char *CharacterData = SM.getCharacterData(Loc, &Invalid);
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if (!Invalid) {
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const char *P = CharacterData;
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while (*P != '\0' && *P != '\r' && *P != '\n')
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++P;
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StringRef RestOfLine(CharacterData, P - CharacterData + 1);
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// FIXME: Handle /\bNOLINT\b(\([^)]*\))?/ as cpplint.py does.
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if (RestOfLine.find("NOLINT") != StringRef::npos) {
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return true;
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}
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}
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return false;
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}
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void ClangTidyDiagnosticConsumer::HandleDiagnostic(
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DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info) {
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if (Info.getLocation().isValid() &&
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DiagLevel != DiagnosticsEngine::Error &&
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DiagLevel != DiagnosticsEngine::Fatal &&
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LineIsMarkedWithNOLINT(Diags->getSourceManager(), Info.getLocation())) {
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++Context.Stats.ErrorsIgnoredNOLINT;
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return;
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}
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// Count warnings/errors.
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DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
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@ -1,4 +1,4 @@
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// RUN: %check_clang_tidy %s google-explicit-constructor %t
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// RUN: %check_clang_tidy %s google-explicit-constructor,clang-diagnostic-unused-variable %t -- -extra-arg=-Wunused-variable --
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class A { A(int i); };
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// CHECK-MESSAGES: :[[@LINE-1]]:11: warning: single-argument constructors must be marked explicit
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@ -6,4 +6,11 @@ class A { A(int i); };
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class B { B(int i); }; // NOLINT
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class C { C(int i); }; // NOLINT(we-dont-care-about-categories-yet)
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// CHECK-MESSAGES: Suppressed 2 warnings (2 NOLINT)
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void f() {
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int i;
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// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: unused variable 'i' [clang-diagnostic-unused-variable]
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int j; // NOLINT
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}
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// CHECK-MESSAGES: Suppressed 3 warnings (3 NOLINT)
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