r261372 - [modules] Flatten -fmodule-name= and -fmodule-implementation-of= into a single
Argyrios Kyrtzidis via cfe-commits
cfe-commits at lists.llvm.org
Thu Mar 3 00:18:17 PST 2016
Mind if we keep -fmodule-implementation-of as an alias so that we can gradually transition to -fmodule-name ?
> On Feb 19, 2016, at 2:25 PM, Richard Smith via cfe-commits <cfe-commits at lists.llvm.org> wrote:
>
> Author: rsmith
> Date: Fri Feb 19 16:25:36 2016
> New Revision: 261372
>
> URL: http://llvm.org/viewvc/llvm-project?rev=261372&view=rev
> Log:
> [modules] Flatten -fmodule-name= and -fmodule-implementation-of= into a single
> option. Previously these options could both be used to specify that you were
> compiling the implementation file of a module, with a different set of minor
> bugs in each case.
>
> This change removes -fmodule-implementation-of, and instead tracks a flag to
> determine whether we're currently building a module. -fmodule-name now behaves
> the same way that -fmodule-implementation-of previously did.
>
> Modified:
> cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td
> cfe/trunk/include/clang/Basic/LangOptions.def
> cfe/trunk/include/clang/Basic/LangOptions.h
> cfe/trunk/include/clang/Driver/CC1Options.td
> cfe/trunk/include/clang/Driver/Options.td
> cfe/trunk/include/clang/Lex/ModuleMap.h
> cfe/trunk/lib/Basic/LangOptions.cpp
> cfe/trunk/lib/Driver/Tools.cpp
> cfe/trunk/lib/Frontend/ASTUnit.cpp
> cfe/trunk/lib/Frontend/CompilerInstance.cpp
> cfe/trunk/lib/Frontend/CompilerInvocation.cpp
> cfe/trunk/lib/Frontend/FrontendActions.cpp
> cfe/trunk/lib/Lex/ModuleMap.cpp
> cfe/trunk/lib/Lex/PPDirectives.cpp
> cfe/trunk/lib/Lex/PPMacroExpansion.cpp
> cfe/trunk/lib/Lex/Preprocessor.cpp
> cfe/trunk/lib/Sema/SemaDecl.cpp
> cfe/trunk/lib/Sema/SemaDeclObjC.cpp
> cfe/trunk/test/Modules/Inputs/explicit-build/a.h
> cfe/trunk/test/Modules/explicit-build.cpp
> cfe/trunk/test/Modules/implementation-of-module.m
> cfe/trunk/test/Modules/import-self.m
>
> Modified: cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td (original)
> +++ cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td Fri Feb 19 16:25:36 2016
> @@ -210,10 +210,6 @@ def err_test_module_file_extension_versi
> "test module file extension '%0' has different version (%1.%2) than expected "
> "(%3.%4)">;
>
> -def err_conflicting_module_names : Error<
> - "conflicting module names specified: '-fmodule-name=%0' and "
> - "'-fmodule-implementation-of %1'">;
> -
> def err_missing_vfs_overlay_file : Error<
> "virtual filesystem overlay file '%0' not found">, DefaultFatal;
> def err_invalid_vfs_overlay : Error<
>
> Modified: cfe/trunk/include/clang/Basic/LangOptions.def
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/LangOptions.def?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/LangOptions.def (original)
> +++ cfe/trunk/include/clang/Basic/LangOptions.def Fri Feb 19 16:25:36 2016
> @@ -127,6 +127,7 @@ BENIGN_LANGOPT(EmitAllDecls , 1, 0,
> LANGOPT(MathErrno , 1, 1, "errno support for math functions")
> BENIGN_LANGOPT(HeinousExtensions , 1, 0, "Extensions that we really don't like and may be ripped out at any time")
> LANGOPT(Modules , 1, 0, "modules extension to C")
> +BENIGN_LANGOPT(CompilingModule, 1, 0, "compiling a module interface")
> COMPATIBLE_LANGOPT(ModulesDeclUse , 1, 0, "require declaration of module uses")
> LANGOPT(ModulesSearchAll , 1, 1, "search even non-imported modules to find unresolved references")
> COMPATIBLE_LANGOPT(ModulesStrictDeclUse, 1, 0, "require declaration of module uses and all headers to be in modules")
>
> Modified: cfe/trunk/include/clang/Basic/LangOptions.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/LangOptions.h?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/LangOptions.h (original)
> +++ cfe/trunk/include/clang/Basic/LangOptions.h Fri Feb 19 16:25:36 2016
> @@ -92,14 +92,12 @@ public:
> /// If none is specified, abort (GCC-compatible behaviour).
> std::string OverflowHandler;
>
> - /// \brief The name of the current module.
> + /// \brief The name of the current module, of which the main source file
> + /// is a part. If CompilingModule is set, we are compiling the interface
> + /// of this module, otherwise we are compiling an implementation file of
> + /// it.
> std::string CurrentModule;
>
> - /// \brief The name of the module that the translation unit is an
> - /// implementation of. Prevents semantic imports, but does not otherwise
> - /// treat this as the CurrentModule.
> - std::string ImplementationOfModule;
> -
> /// \brief The names of any features to enable in module 'requires' decls
> /// in addition to the hard-coded list in Module.cpp and the target features.
> ///
>
> Modified: cfe/trunk/include/clang/Driver/CC1Options.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Driver/CC1Options.td (original)
> +++ cfe/trunk/include/clang/Driver/CC1Options.td Fri Feb 19 16:25:36 2016
> @@ -382,9 +382,6 @@ def fno_modules_global_index : Flag<["-"
> HelpText<"Do not automatically generate or update the global module index">;
> def fno_modules_error_recovery : Flag<["-"], "fno-modules-error-recovery">,
> HelpText<"Do not automatically import modules for error recovery">;
> -def fmodule_implementation_of : Separate<["-"], "fmodule-implementation-of">,
> - MetaVarName<"<name>">,
> - HelpText<"Specify the name of the module whose implementation file this is">;
> def fmodule_map_file_home_is_cwd : Flag<["-"], "fmodule-map-file-home-is-cwd">,
> HelpText<"Use the current working directory as the home directory of "
> "module maps specified by -fmodule-map-file=<FILE>">;
>
> Modified: cfe/trunk/include/clang/Driver/Options.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Driver/Options.td (original)
> +++ cfe/trunk/include/clang/Driver/Options.td Fri Feb 19 16:25:36 2016
> @@ -786,9 +786,10 @@ def fimplicit_module_maps : Flag <["-"],
> Flags<[DriverOption, CC1Option]>,
> HelpText<"Implicitly search the file system for module map files.">;
> def fmodule_maps : Flag <["-"], "fmodule-maps">, Alias<fimplicit_module_maps>;
> -def fmodule_name : JoinedOrSeparate<["-"], "fmodule-name=">, Group<f_Group>,
> +def fmodule_name_EQ : Joined<["-"], "fmodule-name=">, Group<f_Group>,
> Flags<[DriverOption,CC1Option]>, MetaVarName<"<name>">,
> HelpText<"Specify the name of the module to build">;
> +def fmodule_name : Separate<["-"], "fmodule-name">, Alias<fmodule_name_EQ>;
> def fmodule_map_file : Joined<["-"], "fmodule-map-file=">,
> Group<f_Group>, Flags<[DriverOption,CC1Option]>, MetaVarName<"<file>">,
> HelpText<"Load this module map file">;
>
> Modified: cfe/trunk/include/clang/Lex/ModuleMap.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Lex/ModuleMap.h?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Lex/ModuleMap.h (original)
> +++ cfe/trunk/include/clang/Lex/ModuleMap.h Fri Feb 19 16:25:36 2016
> @@ -70,15 +70,10 @@ class ModuleMap {
> /// These are always simple C language options.
> LangOptions MMapLangOpts;
>
> - // The module that we are building; related to \c LangOptions::CurrentModule.
> - Module *CompilingModule;
> -
> -public:
> - // The module that the .cc source file is associated with.
> + // The module that the main source file is associated with (the module
> + // named LangOpts::CurrentModule, if we've loaded it).
> Module *SourceModule;
> - std::string SourceModuleName;
>
> -private:
> /// \brief The top-level modules that are known.
> llvm::StringMap<Module *> Modules;
>
>
> Modified: cfe/trunk/lib/Basic/LangOptions.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/LangOptions.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Basic/LangOptions.cpp (original)
> +++ cfe/trunk/lib/Basic/LangOptions.cpp Fri Feb 19 16:25:36 2016
> @@ -34,7 +34,6 @@ void LangOptions::resetNonModularOptions
> SanitizerBlacklistFiles.clear();
>
> CurrentModule.clear();
> - ImplementationOfModule.clear();
> }
>
> bool LangOptions::isNoBuiltinFunc(const char *Name) const {
>
> Modified: cfe/trunk/lib/Driver/Tools.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/Tools.cpp (original)
> +++ cfe/trunk/lib/Driver/Tools.cpp Fri Feb 19 16:25:36 2016
> @@ -4909,7 +4909,7 @@ void Clang::ConstructJob(Compilation &C,
>
> // -fmodule-name specifies the module that is currently being built (or
> // used for header checking by -fmodule-maps).
> - Args.AddLastArg(CmdArgs, options::OPT_fmodule_name);
> + Args.AddLastArg(CmdArgs, options::OPT_fmodule_name_EQ);
>
> // -fmodule-map-file can be used to specify files containing module
> // definitions.
>
> Modified: cfe/trunk/lib/Frontend/ASTUnit.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/ASTUnit.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Frontend/ASTUnit.cpp (original)
> +++ cfe/trunk/lib/Frontend/ASTUnit.cpp Fri Feb 19 16:25:36 2016
> @@ -2814,7 +2814,7 @@ const FileEntry *ASTUnit::getPCHFile() {
> }
>
> bool ASTUnit::isModuleFile() {
> - return isMainFileAST() && !ASTFileLangOpts.CurrentModule.empty();
> + return isMainFileAST() && ASTFileLangOpts.CompilingModule;
> }
>
> void ASTUnit::PreambleData::countLines() const {
>
> Modified: cfe/trunk/lib/Frontend/CompilerInstance.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInstance.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Frontend/CompilerInstance.cpp (original)
> +++ cfe/trunk/lib/Frontend/CompilerInstance.cpp Fri Feb 19 16:25:36 2016
> @@ -1386,8 +1386,7 @@ CompilerInstance::loadModule(SourceLocat
> // when both the preprocessor and parser see the same import declaration.
> if (ImportLoc.isValid() && LastModuleImportLoc == ImportLoc) {
> // Make the named module visible.
> - if (LastModuleImportResult && ModuleName != getLangOpts().CurrentModule &&
> - ModuleName != getLangOpts().ImplementationOfModule)
> + if (LastModuleImportResult && ModuleName != getLangOpts().CurrentModule)
> ModuleManager->makeModuleVisible(LastModuleImportResult, Visibility,
> ImportLoc);
> return LastModuleImportResult;
> @@ -1401,8 +1400,7 @@ CompilerInstance::loadModule(SourceLocat
> if (Known != KnownModules.end()) {
> // Retrieve the cached top-level module.
> Module = Known->second;
> - } else if (ModuleName == getLangOpts().CurrentModule ||
> - ModuleName == getLangOpts().ImplementationOfModule) {
> + } else if (ModuleName == getLangOpts().CurrentModule) {
> // This is the module we're building.
> Module = PP->getHeaderSearchInfo().lookupModule(ModuleName);
> Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first;
> @@ -1580,10 +1578,6 @@ CompilerInstance::loadModule(SourceLocat
> }
> }
>
> - // Don't make the module visible if we are in the implementation.
> - if (ModuleName == getLangOpts().ImplementationOfModule)
> - return ModuleLoadResult(Module, false);
> -
> // Make the named module visible, if it's not already part of the module
> // we are parsing.
> if (ModuleName != getLangOpts().CurrentModule) {
>
> Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
> +++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Fri Feb 19 16:25:36 2016
> @@ -1763,10 +1763,8 @@ static void ParseLangArgs(LangOptions &O
> Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id);
> Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal);
> Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack);
> - Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name);
> + Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name_EQ);
> Opts.AppExt = Args.hasArg(OPT_fapplication_extension);
> - Opts.ImplementationOfModule =
> - Args.getLastArgValue(OPT_fmodule_implementation_of);
> Opts.ModuleFeatures = Args.getAllArgValues(OPT_fmodule_feature);
> std::sort(Opts.ModuleFeatures.begin(), Opts.ModuleFeatures.end());
> Opts.NativeHalfType |= Args.hasArg(OPT_fnative_half_type);
> @@ -1784,12 +1782,6 @@ static void ParseLangArgs(LangOptions &O
> Args.hasFlag(OPT_fdeclspec, OPT_fno_declspec,
> (Opts.MicrosoftExt || Opts.Borland || Opts.CUDA));
>
> - if (!Opts.CurrentModule.empty() && !Opts.ImplementationOfModule.empty() &&
> - Opts.CurrentModule != Opts.ImplementationOfModule) {
> - Diags.Report(diag::err_conflicting_module_names)
> - << Opts.CurrentModule << Opts.ImplementationOfModule;
> - }
> -
> // For now, we only support local submodule visibility in C++ (because we
> // heavily depend on the ODR for merging redefinitions).
> if (Opts.ModulesLocalVisibility && !Opts.CPlusPlus)
>
> Modified: cfe/trunk/lib/Frontend/FrontendActions.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/FrontendActions.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Frontend/FrontendActions.cpp (original)
> +++ cfe/trunk/lib/Frontend/FrontendActions.cpp Fri Feb 19 16:25:36 2016
> @@ -270,6 +270,8 @@ collectModuleHeaderIncludes(const LangOp
>
> bool GenerateModuleAction::BeginSourceFileAction(CompilerInstance &CI,
> StringRef Filename) {
> + CI.getLangOpts().CompilingModule = true;
> +
> // Find the module map file.
> const FileEntry *ModuleMap =
> CI.getFileManager().getFile(Filename, /*openFile*/true);
>
> Modified: cfe/trunk/lib/Lex/ModuleMap.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/ModuleMap.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Lex/ModuleMap.cpp (original)
> +++ cfe/trunk/lib/Lex/ModuleMap.cpp Fri Feb 19 16:25:36 2016
> @@ -89,7 +89,7 @@ ModuleMap::ModuleMap(SourceManager &Sour
> HeaderSearch &HeaderInfo)
> : SourceMgr(SourceMgr), Diags(Diags), LangOpts(LangOpts), Target(Target),
> HeaderInfo(HeaderInfo), BuiltinIncludeDir(nullptr),
> - CompilingModule(nullptr), SourceModule(nullptr), NumCreatedModules(0) {
> + SourceModule(nullptr), NumCreatedModules(0) {
> MMapLangOpts.LineComment = true;
> }
>
> @@ -343,8 +343,8 @@ ModuleMap::KnownHeader ModuleMap::findMo
> ModuleMap::KnownHeader Result;
> // Iterate over all modules that 'File' is part of to find the best fit.
> for (KnownHeader &H : Known->second) {
> - // Prefer a header from the current module over all others.
> - if (H.getModule()->getTopLevelModule() == CompilingModule)
> + // Prefer a header from the source module over all others.
> + if (H.getModule()->getTopLevelModule() == SourceModule)
> return MakeResult(H);
> if (!Result || isBetterKnownHeader(H, Result))
> Result = H;
> @@ -556,16 +556,10 @@ ModuleMap::findOrCreateModule(StringRef
> // Create a new module with this name.
> Module *Result = new Module(Name, SourceLocation(), Parent,
> IsFramework, IsExplicit, NumCreatedModules++);
> - if (LangOpts.CurrentModule == Name) {
> - SourceModule = Result;
> - SourceModuleName = Name;
> - }
> if (!Parent) {
> + if (LangOpts.CurrentModule == Name)
> + SourceModule = Result;
> Modules[Name] = Result;
> - if (!LangOpts.CurrentModule.empty() && !CompilingModule &&
> - Name == LangOpts.CurrentModule) {
> - CompilingModule = Result;
> - }
> }
> return std::make_pair(Result, true);
> }
> @@ -693,9 +687,10 @@ Module *ModuleMap::inferFrameworkModule(
> NumCreatedModules++);
> InferredModuleAllowedBy[Result] = ModuleMapFile;
> Result->IsInferred = true;
> - if (LangOpts.CurrentModule == ModuleName) {
> - SourceModule = Result;
> - SourceModuleName = ModuleName;
> + if (!Parent) {
> + if (LangOpts.CurrentModule == ModuleName)
> + SourceModule = Result;
> + Modules[ModuleName] = Result;
> }
>
> Result->IsSystem |= Attrs.IsSystem;
> @@ -703,9 +698,6 @@ Module *ModuleMap::inferFrameworkModule(
> Result->ConfigMacrosExhaustive |= Attrs.IsExhaustive;
> Result->Directory = FrameworkDir;
>
> - if (!Parent)
> - Modules[ModuleName] = Result;
> -
> // umbrella header "umbrella-header-name"
> //
> // The "Headers/" component of the name is implied because this is
> @@ -812,7 +804,8 @@ void ModuleMap::addHeader(Module *Mod, M
> HeaderList.push_back(KH);
> Mod->Headers[headerRoleToKind(Role)].push_back(std::move(Header));
>
> - bool isCompilingModuleHeader = Mod->getTopLevelModule() == CompilingModule;
> + bool isCompilingModuleHeader =
> + LangOpts.CompilingModule && Mod->getTopLevelModule() == SourceModule;
> if (!Imported || isCompilingModuleHeader) {
> // When we import HeaderFileInfo, the external source is expected to
> // set the isModuleHeader flag itself.
>
> Modified: cfe/trunk/lib/Lex/PPDirectives.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/PPDirectives.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Lex/PPDirectives.cpp (original)
> +++ cfe/trunk/lib/Lex/PPDirectives.cpp Fri Feb 19 16:25:36 2016
> @@ -573,23 +573,23 @@ void Preprocessor::PTHSkipExcludedCondit
> }
>
> Module *Preprocessor::getModuleForLocation(SourceLocation Loc) {
> - ModuleMap &ModMap = HeaderInfo.getModuleMap();
> - if (SourceMgr.isInMainFile(Loc)) {
> - if (Module *CurMod = getCurrentModule())
> - return CurMod; // Compiling a module.
> - return HeaderInfo.getModuleMap().SourceModule; // Compiling a source.
> - }
> - // Try to determine the module of the include directive.
> - // FIXME: Look into directly passing the FileEntry from LookupFile instead.
> - FileID IDOfIncl = SourceMgr.getFileID(SourceMgr.getExpansionLoc(Loc));
> - if (const FileEntry *EntryOfIncl = SourceMgr.getFileEntryForID(IDOfIncl)) {
> - // The include comes from a file.
> - return ModMap.findModuleForHeader(EntryOfIncl).getModule();
> - } else {
> - // The include does not come from a file,
> - // so it is probably a module compilation.
> - return getCurrentModule();
> + if (!SourceMgr.isInMainFile(Loc)) {
> + // Try to determine the module of the include directive.
> + // FIXME: Look into directly passing the FileEntry from LookupFile instead.
> + FileID IDOfIncl = SourceMgr.getFileID(SourceMgr.getExpansionLoc(Loc));
> + if (const FileEntry *EntryOfIncl = SourceMgr.getFileEntryForID(IDOfIncl)) {
> + // The include comes from an included file.
> + return HeaderInfo.getModuleMap()
> + .findModuleForHeader(EntryOfIncl)
> + .getModule();
> + }
> }
> +
> + // This is either in the main file or not in a file at all. It belongs
> + // to the current module, if there is one.
> + return getLangOpts().CurrentModule.empty()
> + ? nullptr
> + : HeaderInfo.lookupModule(getLangOpts().CurrentModule);
> }
>
> Module *Preprocessor::getModuleContainingLocation(SourceLocation Loc) {
> @@ -1668,10 +1668,7 @@ void Preprocessor::HandleIncludeDirectiv
> // are processing this module textually (because we're building the module).
> if (File && SuggestedModule && getLangOpts().Modules &&
> SuggestedModule.getModule()->getTopLevelModuleName() !=
> - getLangOpts().CurrentModule &&
> - SuggestedModule.getModule()->getTopLevelModuleName() !=
> - getLangOpts().ImplementationOfModule) {
> -
> + getLangOpts().CurrentModule) {
> // If this include corresponds to a module but that module is
> // unavailable, diagnose the situation and bail out.
> if (!SuggestedModule.getModule()->isAvailable()) {
>
> Modified: cfe/trunk/lib/Lex/PPMacroExpansion.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/PPMacroExpansion.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Lex/PPMacroExpansion.cpp (original)
> +++ cfe/trunk/lib/Lex/PPMacroExpansion.cpp Fri Feb 19 16:25:36 2016
> @@ -1438,8 +1438,9 @@ static bool EvaluateBuildingModule(Token
> return false;
> }
>
> - bool Result
> - = Tok.getIdentifierInfo()->getName() == PP.getLangOpts().CurrentModule;
> + bool Result =
> + PP.getLangOpts().CompilingModule &&
> + Tok.getIdentifierInfo()->getName() == PP.getLangOpts().CurrentModule;
>
> // Get ')'.
> PP.LexNonComment(Tok);
>
> Modified: cfe/trunk/lib/Lex/Preprocessor.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/Preprocessor.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Lex/Preprocessor.cpp (original)
> +++ cfe/trunk/lib/Lex/Preprocessor.cpp Fri Feb 19 16:25:36 2016
> @@ -477,7 +477,7 @@ void Preprocessor::CreateString(StringRe
> }
>
> Module *Preprocessor::getCurrentModule() {
> - if (getLangOpts().CurrentModule.empty())
> + if (!getLangOpts().CompilingModule)
> return nullptr;
>
> return getHeaderSearchInfo().lookupModule(getLangOpts().CurrentModule);
>
> Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaDecl.cpp Fri Feb 19 16:25:36 2016
> @@ -14752,11 +14752,10 @@ DeclResult Sema::ActOnModuleImport(Sourc
> // of the same top-level module. Until we do, make it an error rather than
> // silently ignoring the import.
> if (Mod->getTopLevelModuleName() == getLangOpts().CurrentModule)
> - Diag(ImportLoc, diag::err_module_self_import)
> + Diag(ImportLoc, getLangOpts().CompilingModule
> + ? diag::err_module_self_import
> + : diag::err_module_import_in_implementation)
> << Mod->getFullModuleName() << getLangOpts().CurrentModule;
> - else if (Mod->getTopLevelModuleName() == getLangOpts().ImplementationOfModule)
> - Diag(ImportLoc, diag::err_module_import_in_implementation)
> - << Mod->getFullModuleName() << getLangOpts().ImplementationOfModule;
>
> SmallVector<SourceLocation, 2> IdentifierLocs;
> Module *ModCheck = Mod;
> @@ -14790,11 +14789,13 @@ void Sema::ActOnModuleInclude(SourceLoca
> TUKind == TU_Module &&
> getSourceManager().isWrittenInMainFile(DirectiveLoc);
>
> - // Similarly, if this module is specified by -fmodule-implementation-of
> - // don't actually synthesize an illegal module import.
> - bool ShouldAddImport = !IsInModuleIncludes &&
> - (getLangOpts().ImplementationOfModule.empty() ||
> - getLangOpts().ImplementationOfModule != Mod->getTopLevelModuleName());
> + // Similarly, if we're in the implementation of a module, don't
> + // synthesize an illegal module import. FIXME: Why not?
> + bool ShouldAddImport =
> + !IsInModuleIncludes &&
> + (getLangOpts().CompilingModule ||
> + getLangOpts().CurrentModule.empty() ||
> + getLangOpts().CurrentModule != Mod->getTopLevelModuleName());
>
> // If this module import was due to an inclusion directive, create an
> // implicit import declaration to capture it in the AST.
>
> Modified: cfe/trunk/lib/Sema/SemaDeclObjC.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclObjC.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Sema/SemaDeclObjC.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaDeclObjC.cpp Fri Feb 19 16:25:36 2016
> @@ -3171,7 +3171,7 @@ void Sema::addMethodToGlobalList(ObjCMet
> ObjCMethodList *Previous = List;
> for (; List; Previous = List, List = List->getNext()) {
> // If we are building a module, keep all of the methods.
> - if (getLangOpts().Modules && !getLangOpts().CurrentModule.empty())
> + if (getLangOpts().CompilingModule)
> continue;
>
> if (!MatchTwoMethodDeclarations(Method, List->getMethod())) {
>
> Modified: cfe/trunk/test/Modules/Inputs/explicit-build/a.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/Inputs/explicit-build/a.h?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/test/Modules/Inputs/explicit-build/a.h (original)
> +++ cfe/trunk/test/Modules/Inputs/explicit-build/a.h Fri Feb 19 16:25:36 2016
> @@ -1,4 +1,4 @@
> -#if !__building_module(a)
> +#if !__building_module(a) && !BUILDING_A_PCH
> #error "should only get here when building module a"
> #endif
>
>
> Modified: cfe/trunk/test/Modules/explicit-build.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/explicit-build.cpp?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/test/Modules/explicit-build.cpp (original)
> +++ cfe/trunk/test/Modules/explicit-build.cpp Fri Feb 19 16:25:36 2016
> @@ -143,7 +143,7 @@
> // -------------------------------
> // Try to import a PCH with -fmodule-file=
> // RUN: %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Rmodule-build -fno-modules-error-recovery \
> -// RUN: -fmodule-name=a -emit-pch %S/Inputs/explicit-build/a.h -o %t/a.pch \
> +// RUN: -fmodule-name=a -emit-pch %S/Inputs/explicit-build/a.h -o %t/a.pch -DBUILDING_A_PCH \
> // RUN: 2>&1 | FileCheck --check-prefix=CHECK-NO-IMPLICIT-BUILD %s --allow-empty
> //
> // RUN: not %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Rmodule-build -fno-modules-error-recovery \
>
> Modified: cfe/trunk/test/Modules/implementation-of-module.m
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/implementation-of-module.m?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/test/Modules/implementation-of-module.m (original)
> +++ cfe/trunk/test/Modules/implementation-of-module.m Fri Feb 19 16:25:36 2016
> @@ -1,22 +1,18 @@
> -// RUN: not %clang_cc1 -fmodule-implementation-of Foo -fmodule-name=Bar %s 2>&1 \
> -// RUN: | FileCheck -check-prefix=CHECK-IMPL-OF-ERR %s
> -// CHECK-IMPL-OF-ERR: conflicting module names specified: '-fmodule-name=Bar' and '-fmodule-implementation-of Foo'
> -
> // RUN: rm -rf %t
> // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -w -Werror=auto-import %s -I %S/Inputs \
> -// RUN: -fmodule-implementation-of category_right -fsyntax-only
> +// RUN: -fmodule-name=category_right -fsyntax-only
>
> // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -w -Werror=auto-import %s -I %S/Inputs \
> -// RUN: -fmodule-implementation-of category_right -dM -E -o - 2>&1 | FileCheck %s
> +// RUN: -fmodule-name=category_right -dM -E -o - 2>&1 | FileCheck %s
> // CHECK-NOT: __building_module
>
> // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -w -Werror=auto-import %s -I %S/Inputs \
> -// RUN: -fmodule-implementation-of category_left -verify
> +// RUN: -fmodule-name=category_left -verify
>
> // RUN: %clang_cc1 -x objective-c-header -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -w -Werror=auto-import %s -I %S/Inputs \
> -// RUN: -fmodule-implementation-of category_right -emit-pch -o %t.pch
> +// RUN: -fmodule-name=category_right -emit-pch -o %t.pch
> // RUN: %clang_cc1 -x objective-c-header -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -w -Werror=auto-import %s -I %S/Inputs \
> -// RUN: -DWITH_PREFIX -fmodules-ignore-macro=WITH_PREFIX -include-pch %t.pch -fmodule-implementation-of category_right
> +// RUN: -DWITH_PREFIX -fmodules-ignore-macro=WITH_PREFIX -include-pch %t.pch -fmodule-name=category_right
>
> #ifndef WITH_PREFIX
>
>
> Modified: cfe/trunk/test/Modules/import-self.m
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/import-self.m?rev=261372&r1=261371&r2=261372&view=diff
> ==============================================================================
> --- cfe/trunk/test/Modules/import-self.m (original)
> +++ cfe/trunk/test/Modules/import-self.m Fri Feb 19 16:25:36 2016
> @@ -6,6 +6,6 @@
> // RUN: not %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t \
> // RUN: -I %S/Inputs/submodules -fmodule-name=import_self %s \
> // RUN: 2>&1 | FileCheck -check-prefix=CHECK-fmodule-name %s
> -// CHECK-fmodule-name: import of module 'import_self.b' appears within same top-level module 'import_self'
> +// CHECK-fmodule-name: @import of module 'import_self.b' in implementation of 'import_self'
>
> @import import_self.b;
>
>
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