diff options
Diffstat (limited to 'lib/Basic/Diagnostic.cpp')
| -rw-r--r-- | lib/Basic/Diagnostic.cpp | 121 |
1 files changed, 71 insertions, 50 deletions
diff --git a/lib/Basic/Diagnostic.cpp b/lib/Basic/Diagnostic.cpp index 78b8b0a85597..4a29997a2ccc 100644 --- a/lib/Basic/Diagnostic.cpp +++ b/lib/Basic/Diagnostic.cpp @@ -49,7 +49,7 @@ struct StaticDiagInfoRec { bool SFINAE : 1; const char *Description; const char *OptionGroup; - + bool operator<(const StaticDiagInfoRec &RHS) const { return DiagID < RHS.DiagID; } @@ -88,16 +88,16 @@ static const StaticDiagInfoRec *GetDiagInfo(unsigned DiagID) { IsFirst = false; } #endif - + // Search the diagnostic table with a binary search. StaticDiagInfoRec Find = { DiagID, 0, 0, 0, 0, 0 }; - + const StaticDiagInfoRec *Found = std::lower_bound(StaticDiagInfo, StaticDiagInfo + NumDiagEntries, Find); if (Found == StaticDiagInfo + NumDiagEntries || Found->DiagID != DiagID) return 0; - + return Found; } @@ -141,7 +141,7 @@ namespace clang { std::vector<DiagDesc> DiagInfo; std::map<DiagDesc, unsigned> DiagIDs; public: - + /// getDescription - Return the description of the specified custom /// diagnostic. const char *getDescription(unsigned DiagID) const { @@ -149,14 +149,14 @@ namespace clang { "Invalid diagnosic ID"); return DiagInfo[DiagID-DIAG_UPPER_LIMIT].second.c_str(); } - + /// getLevel - Return the level of the specified custom diagnostic. Diagnostic::Level getLevel(unsigned DiagID) const { assert(this && DiagID-DIAG_UPPER_LIMIT < DiagInfo.size() && "Invalid diagnosic ID"); return DiagInfo[DiagID-DIAG_UPPER_LIMIT].first; } - + unsigned getOrCreateDiagID(Diagnostic::Level L, const char *Message, Diagnostic &Diags) { DiagDesc D(L, Message); @@ -164,7 +164,7 @@ namespace clang { std::map<DiagDesc, unsigned>::iterator I = DiagIDs.lower_bound(D); if (I != DiagIDs.end() && I->first == D) return I->second; - + // If not, assign a new ID. unsigned ID = DiagInfo.size()+DIAG_UPPER_LIMIT; DiagIDs.insert(std::make_pair(D, ID)); @@ -172,9 +172,9 @@ namespace clang { return ID; } }; - - } // end diag namespace -} // end clang namespace + + } // end diag namespace +} // end clang namespace //===----------------------------------------------------------------------===// @@ -196,32 +196,48 @@ Diagnostic::Diagnostic(DiagnosticClient *client) : Client(client) { IgnoreAllWarnings = false; WarningsAsErrors = false; SuppressSystemWarnings = false; + SuppressAllDiagnostics = false; ExtBehavior = Ext_Ignore; - + ErrorOccurred = false; FatalErrorOccurred = false; NumDiagnostics = 0; + NumErrors = 0; CustomDiagInfo = 0; CurDiagID = ~0U; LastDiagLevel = Ignored; - + ArgToStringFn = DummyArgToStringFn; ArgToStringCookie = 0; - + // Set all mappings to 'unset'. - memset(DiagMappings, 0, sizeof(DiagMappings)); + DiagMappings BlankDiags(diag::DIAG_UPPER_LIMIT/2, 0); + DiagMappingsStack.push_back(BlankDiags); } Diagnostic::~Diagnostic() { delete CustomDiagInfo; } + +void Diagnostic::pushMappings() { + DiagMappingsStack.push_back(DiagMappingsStack.back()); +} + +bool Diagnostic::popMappings() { + if (DiagMappingsStack.size() == 1) + return false; + + DiagMappingsStack.pop_back(); + return true; +} + /// getCustomDiagID - Return an ID for a diagnostic with the specified message /// and level. If this is the first request for this diagnosic, it is /// registered and created, otherwise the existing ID is returned. unsigned Diagnostic::getCustomDiagID(Level L, const char *Message) { - if (CustomDiagInfo == 0) + if (CustomDiagInfo == 0) CustomDiagInfo = new diag::CustomDiagInfo(); return CustomDiagInfo->getOrCreateDiagID(L, Message, *this); } @@ -267,7 +283,7 @@ Diagnostic::Level Diagnostic::getDiagnosticLevel(unsigned DiagID) const { // Handle custom diagnostics, which cannot be mapped. if (DiagID >= diag::DIAG_UPPER_LIMIT) return CustomDiagInfo->getLevel(DiagID); - + unsigned DiagClass = getBuiltinDiagClass(DiagID); assert(DiagClass != CLASS_NOTE && "Cannot get diagnostic level of a note!"); return getDiagnosticLevel(DiagID, DiagClass); @@ -281,14 +297,14 @@ Diagnostic::getDiagnosticLevel(unsigned DiagID, unsigned DiagClass) const { // Specific non-error diagnostics may be mapped to various levels from ignored // to error. Errors can only be mapped to fatal. Diagnostic::Level Result = Diagnostic::Fatal; - + // Get the mapping information, if unset, compute it lazily. unsigned MappingInfo = getDiagnosticMappingInfo((diag::kind)DiagID); if (MappingInfo == 0) { MappingInfo = GetDefaultDiagMapping(DiagID); setDiagnosticMappingInternal(DiagID, MappingInfo, false); } - + switch (MappingInfo & 7) { default: assert(0 && "Unknown mapping!"); case diag::MAP_IGNORE: @@ -311,29 +327,29 @@ Diagnostic::getDiagnosticLevel(unsigned DiagID, unsigned DiagClass) const { // If warnings are globally mapped to ignore or error, do it. if (IgnoreAllWarnings) return Diagnostic::Ignored; - + Result = Diagnostic::Warning; - + // If this is an extension diagnostic and we're in -pedantic-error mode, and // if the user didn't explicitly map it, upgrade to an error. if (ExtBehavior == Ext_Error && (MappingInfo & 8) == 0 && isBuiltinExtensionDiag(DiagID)) Result = Diagnostic::Error; - + if (WarningsAsErrors) Result = Diagnostic::Error; break; - + case diag::MAP_WARNING_NO_WERROR: // Diagnostics specified with -Wno-error=foo should be set to warnings, but // not be adjusted by -Werror or -pedantic-errors. Result = Diagnostic::Warning; - + // If warnings are globally mapped to ignore or error, do it. if (IgnoreAllWarnings) return Diagnostic::Ignored; - + break; } @@ -342,7 +358,7 @@ Diagnostic::getDiagnosticLevel(unsigned DiagID, unsigned DiagClass) const { // block, silence it. if (AllExtensionsSilenced && isBuiltinExtensionDiag(DiagID)) return Diagnostic::Ignored; - + return Result; } @@ -377,7 +393,7 @@ static void MapGroupMembers(const WarningOption *Group, diag::Mapping Mapping, for (; *Member != -1; ++Member) Diags.setDiagnosticMapping(*Member, Mapping); } - + // Enable/disable all subgroups along with this one. if (const char *SubGroups = Group->SubGroups) { for (; *SubGroups != (char)-1; ++SubGroups) @@ -390,7 +406,7 @@ static void MapGroupMembers(const WarningOption *Group, diag::Mapping Mapping, /// ignores the request if "Group" was unknown, false otherwise. bool Diagnostic::setDiagnosticGroupMapping(const char *Group, diag::Mapping Map) { - + WarningOption Key = { Group, 0, 0 }; const WarningOption *Found = std::lower_bound(OptionTable, OptionTable + OptionTableSize, Key, @@ -398,7 +414,7 @@ bool Diagnostic::setDiagnosticGroupMapping(const char *Group, if (Found == OptionTable + OptionTableSize || strcmp(Found->Name, Group) != 0) return true; // Option not found. - + MapGroupMembers(Found, Map, *this); return false; } @@ -408,19 +424,22 @@ bool Diagnostic::setDiagnosticGroupMapping(const char *Group, /// finally fully formed. bool Diagnostic::ProcessDiag() { DiagnosticInfo Info(this); - + + if (SuppressAllDiagnostics) + return false; + // Figure out the diagnostic level of this message. Diagnostic::Level DiagLevel; unsigned DiagID = Info.getID(); - + // ShouldEmitInSystemHeader - True if this diagnostic should be produced even // in a system header. bool ShouldEmitInSystemHeader; - + if (DiagID >= diag::DIAG_UPPER_LIMIT) { // Handle custom diagnostics, which cannot be mapped. DiagLevel = CustomDiagInfo->getLevel(DiagID); - + // Custom diagnostics always are emitted in system headers. ShouldEmitInSystemHeader = true; } else { @@ -432,12 +451,12 @@ bool Diagnostic::ProcessDiag() { DiagLevel = Diagnostic::Note; ShouldEmitInSystemHeader = false; // extra consideration is needed } else { - // If this is not an error and we are in a system header, we ignore it. + // If this is not an error and we are in a system header, we ignore it. // Check the original Diag ID here, because we also want to ignore // extensions and warnings in -Werror and -pedantic-errors modes, which // *map* warnings/extensions to errors. ShouldEmitInSystemHeader = DiagClass == CLASS_ERROR; - + DiagLevel = getDiagnosticLevel(DiagID, DiagClass); } } @@ -451,7 +470,7 @@ bool Diagnostic::ProcessDiag() { FatalErrorOccurred = true; LastDiagLevel = DiagLevel; - } + } // If a fatal error has already been emitted, silence all subsequent // diagnostics. @@ -478,7 +497,7 @@ bool Diagnostic::ProcessDiag() { ErrorOccurred = true; ++NumErrors; } - + // Finally, report it. Client->HandleDiagnostic(DiagLevel, Info); if (Client->IncludeInDiagnosticCounts()) ++NumDiagnostics; @@ -508,7 +527,7 @@ static void HandleSelectModifier(unsigned ValNo, const char *Argument, unsigned ArgumentLen, llvm::SmallVectorImpl<char> &OutStr) { const char *ArgumentEnd = Argument+ArgumentLen; - + // Skip over 'ValNo' |'s. while (ValNo) { const char *NextVal = std::find(Argument, ArgumentEnd, '|'); @@ -517,7 +536,7 @@ static void HandleSelectModifier(unsigned ValNo, Argument = NextVal+1; // Skip this string. --ValNo; } - + // Get the end of the value. This is either the } or the |. const char *EndPtr = std::find(Argument, ArgumentEnd, '|'); // Add the value to the output string. @@ -590,7 +609,7 @@ static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) { // Scan for next or-expr part. Start = std::find(Start, End, ','); - if(Start == End) + if (Start == End) break; ++Start; } @@ -659,7 +678,7 @@ void DiagnosticInfo:: FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { const char *DiagStr = getDiags()->getDescription(getID()); const char *DiagEnd = DiagStr+strlen(DiagStr); - + while (DiagStr != DiagEnd) { if (DiagStr[0] != '%') { // Append non-%0 substrings to Str if we have one. @@ -672,10 +691,10 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { DiagStr += 2; continue; } - + // Skip the %. ++DiagStr; - + // This must be a placeholder for a diagnostic argument. The format for a // placeholder is one of "%0", "%modifier0", or "%modifier{arguments}0". // The digit is a number from 0-9 indicating which argument this comes from. @@ -683,7 +702,7 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { // brace enclosed string. const char *Modifier = 0, *Argument = 0; unsigned ModifierLen = 0, ArgumentLen = 0; - + // Check to see if we have a modifier. If so eat it. if (!isdigit(DiagStr[0])) { Modifier = DiagStr; @@ -696,14 +715,14 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { if (DiagStr[0] == '{') { ++DiagStr; // Skip {. Argument = DiagStr; - + for (; DiagStr[0] != '}'; ++DiagStr) assert(DiagStr[0] && "Mismatched {}'s in diagnostic string!"); ArgumentLen = DiagStr-Argument; ++DiagStr; // Skip }. } } - + assert(isdigit(*DiagStr) && "Invalid format for argument in diagnostic"); unsigned ArgNo = *DiagStr++ - '0'; @@ -722,14 +741,14 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { // Don't crash if get passed a null pointer by accident. if (!S) S = "(null)"; - + OutStr.append(S, S + strlen(S)); break; } // ---- INTEGERS ---- case Diagnostic::ak_sint: { int Val = getArgSInt(ArgNo); - + if (ModifierIs(Modifier, ModifierLen, "select")) { HandleSelectModifier((unsigned)Val, Argument, ArgumentLen, OutStr); } else if (ModifierIs(Modifier, ModifierLen, "s")) { @@ -746,7 +765,7 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { } case Diagnostic::ak_uint: { unsigned Val = getArgUInt(ArgNo); - + if (ModifierIs(Modifier, ModifierLen, "select")) { HandleSelectModifier(Val, Argument, ArgumentLen, OutStr); } else if (ModifierIs(Modifier, ModifierLen, "s")) { @@ -755,7 +774,7 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { HandlePluralModifier((unsigned)Val, Argument, ArgumentLen, OutStr); } else { assert(ModifierLen == 0 && "Unknown integer modifier"); - + // FIXME: Optimize std::string S = llvm::utostr_32(Val); OutStr.append(S.begin(), S.end()); @@ -782,6 +801,8 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { case Diagnostic::ak_qualtype: case Diagnostic::ak_declarationname: case Diagnostic::ak_nameddecl: + case Diagnostic::ak_nestednamespec: + case Diagnostic::ak_declcontext: getDiags()->ConvertArgToString(getArgKind(ArgNo), getRawArg(ArgNo), Modifier, ModifierLen, Argument, ArgumentLen, OutStr); |