| //===- Module.cpp - Describe a module -------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the Module class, which describes a module in the source |
| // code. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/Basic/Module.h" |
| #include "clang/Basic/CharInfo.h" |
| #include "clang/Basic/FileManager.h" |
| #include "clang/Basic/LangOptions.h" |
| #include "clang/Basic/SourceLocation.h" |
| #include "clang/Basic/TargetInfo.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/ADT/StringMap.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include "llvm/Support/Compiler.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <algorithm> |
| #include <cassert> |
| #include <functional> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| using namespace clang; |
| |
| Module::Module(StringRef Name, SourceLocation DefinitionLoc, Module *Parent, |
| bool IsFramework, bool IsExplicit, unsigned VisibilityID) |
| : Name(Name), DefinitionLoc(DefinitionLoc), Parent(Parent), |
| VisibilityID(VisibilityID), IsUnimportable(false), |
| HasIncompatibleModuleFile(false), IsAvailable(true), |
| IsFromModuleFile(false), IsFramework(IsFramework), IsExplicit(IsExplicit), |
| IsSystem(false), IsExternC(false), IsInferred(false), |
| InferSubmodules(false), InferExplicitSubmodules(false), |
| InferExportWildcard(false), ConfigMacrosExhaustive(false), |
| NoUndeclaredIncludes(false), ModuleMapIsPrivate(false), |
| HasUmbrellaDir(false), NameVisibility(Hidden) { |
| if (Parent) { |
| IsAvailable = Parent->isAvailable(); |
| IsUnimportable = Parent->isUnimportable(); |
| IsSystem = Parent->IsSystem; |
| IsExternC = Parent->IsExternC; |
| NoUndeclaredIncludes = Parent->NoUndeclaredIncludes; |
| ModuleMapIsPrivate = Parent->ModuleMapIsPrivate; |
| |
| Parent->SubModuleIndex[Name] = Parent->SubModules.size(); |
| Parent->SubModules.push_back(this); |
| } |
| } |
| |
| Module::~Module() { |
| for (submodule_iterator I = submodule_begin(), IEnd = submodule_end(); |
| I != IEnd; ++I) { |
| delete *I; |
| } |
| } |
| |
| static bool isPlatformEnvironment(const TargetInfo &Target, StringRef Feature) { |
| StringRef Platform = Target.getPlatformName(); |
| StringRef Env = Target.getTriple().getEnvironmentName(); |
| |
| // Attempt to match platform and environment. |
| if (Platform == Feature || Target.getTriple().getOSName() == Feature || |
| Env == Feature) |
| return true; |
| |
| auto CmpPlatformEnv = [](StringRef LHS, StringRef RHS) { |
| auto Pos = LHS.find("-"); |
| if (Pos == StringRef::npos) |
| return false; |
| SmallString<128> NewLHS = LHS.slice(0, Pos); |
| NewLHS += LHS.slice(Pos+1, LHS.size()); |
| return NewLHS == RHS; |
| }; |
| |
| SmallString<128> PlatformEnv = Target.getTriple().getOSAndEnvironmentName(); |
| // Darwin has different but equivalent variants for simulators, example: |
| // 1. x86_64-apple-ios-simulator |
| // 2. x86_64-apple-iossimulator |
| // where both are valid examples of the same platform+environment but in the |
| // variant (2) the simulator is hardcoded as part of the platform name. Both |
| // forms above should match for "iossimulator" requirement. |
| if (Target.getTriple().isOSDarwin() && PlatformEnv.endswith("simulator")) |
| return PlatformEnv == Feature || CmpPlatformEnv(PlatformEnv, Feature); |
| |
| return PlatformEnv == Feature; |
| } |
| |
| /// Determine whether a translation unit built using the current |
| /// language options has the given feature. |
| static bool hasFeature(StringRef Feature, const LangOptions &LangOpts, |
| const TargetInfo &Target) { |
| bool HasFeature = llvm::StringSwitch<bool>(Feature) |
| .Case("altivec", LangOpts.AltiVec) |
| .Case("blocks", LangOpts.Blocks) |
| .Case("coroutines", LangOpts.Coroutines) |
| .Case("cplusplus", LangOpts.CPlusPlus) |
| .Case("cplusplus11", LangOpts.CPlusPlus11) |
| .Case("cplusplus14", LangOpts.CPlusPlus14) |
| .Case("cplusplus17", LangOpts.CPlusPlus17) |
| .Case("c99", LangOpts.C99) |
| .Case("c11", LangOpts.C11) |
| .Case("c17", LangOpts.C17) |
| .Case("freestanding", LangOpts.Freestanding) |
| .Case("gnuinlineasm", LangOpts.GNUAsm) |
| .Case("objc", LangOpts.ObjC) |
| .Case("objc_arc", LangOpts.ObjCAutoRefCount) |
| .Case("opencl", LangOpts.OpenCL) |
| .Case("tls", Target.isTLSSupported()) |
| .Case("zvector", LangOpts.ZVector) |
| .Default(Target.hasFeature(Feature) || |
| isPlatformEnvironment(Target, Feature)); |
| if (!HasFeature) |
| HasFeature = std::find(LangOpts.ModuleFeatures.begin(), |
| LangOpts.ModuleFeatures.end(), |
| Feature) != LangOpts.ModuleFeatures.end(); |
| return HasFeature; |
| } |
| |
| bool Module::isUnimportable(const LangOptions &LangOpts, |
| const TargetInfo &Target, Requirement &Req, |
| Module *&ShadowingModule) const { |
| if (!IsUnimportable) |
| return false; |
| |
| for (const Module *Current = this; Current; Current = Current->Parent) { |
| if (Current->ShadowingModule) { |
| ShadowingModule = Current->ShadowingModule; |
| return true; |
| } |
| for (unsigned I = 0, N = Current->Requirements.size(); I != N; ++I) { |
| if (hasFeature(Current->Requirements[I].first, LangOpts, Target) != |
| Current->Requirements[I].second) { |
| Req = Current->Requirements[I]; |
| return true; |
| } |
| } |
| } |
| |
| llvm_unreachable("could not find a reason why module is unimportable"); |
| } |
| |
| bool Module::isAvailable(const LangOptions &LangOpts, const TargetInfo &Target, |
| Requirement &Req, |
| UnresolvedHeaderDirective &MissingHeader, |
| Module *&ShadowingModule) const { |
| if (IsAvailable) |
| return true; |
| |
| if (isUnimportable(LangOpts, Target, Req, ShadowingModule)) |
| return false; |
| |
| // FIXME: All missing headers are listed on the top-level module. Should we |
| // just look there? |
| for (const Module *Current = this; Current; Current = Current->Parent) { |
| if (!Current->MissingHeaders.empty()) { |
| MissingHeader = Current->MissingHeaders.front(); |
| return false; |
| } |
| } |
| |
| llvm_unreachable("could not find a reason why module is unavailable"); |
| } |
| |
| bool Module::isSubModuleOf(const Module *Other) const { |
| for (auto *Parent = this; Parent; Parent = Parent->Parent) { |
| if (Parent == Other) |
| return true; |
| } |
| return false; |
| } |
| |
| const Module *Module::getTopLevelModule() const { |
| const Module *Result = this; |
| while (Result->Parent) |
| Result = Result->Parent; |
| |
| return Result; |
| } |
| |
| static StringRef getModuleNameFromComponent( |
| const std::pair<std::string, SourceLocation> &IdComponent) { |
| return IdComponent.first; |
| } |
| |
| static StringRef getModuleNameFromComponent(StringRef R) { return R; } |
| |
| template<typename InputIter> |
| static void printModuleId(raw_ostream &OS, InputIter Begin, InputIter End, |
| bool AllowStringLiterals = true) { |
| for (InputIter It = Begin; It != End; ++It) { |
| if (It != Begin) |
| OS << "."; |
| |
| StringRef Name = getModuleNameFromComponent(*It); |
| if (!AllowStringLiterals || isValidIdentifier(Name)) |
| OS << Name; |
| else { |
| OS << '"'; |
| OS.write_escaped(Name); |
| OS << '"'; |
| } |
| } |
| } |
| |
| template<typename Container> |
| static void printModuleId(raw_ostream &OS, const Container &C) { |
| return printModuleId(OS, C.begin(), C.end()); |
| } |
| |
| std::string Module::getFullModuleName(bool AllowStringLiterals) const { |
| SmallVector<StringRef, 2> Names; |
| |
| // Build up the set of module names (from innermost to outermost). |
| for (const Module *M = this; M; M = M->Parent) |
| Names.push_back(M->Name); |
| |
| std::string Result; |
| |
| llvm::raw_string_ostream Out(Result); |
| printModuleId(Out, Names.rbegin(), Names.rend(), AllowStringLiterals); |
| Out.flush(); |
| |
| return Result; |
| } |
| |
| bool Module::fullModuleNameIs(ArrayRef<StringRef> nameParts) const { |
| for (const Module *M = this; M; M = M->Parent) { |
| if (nameParts.empty() || M->Name != nameParts.back()) |
| return false; |
| nameParts = nameParts.drop_back(); |
| } |
| return nameParts.empty(); |
| } |
| |
| Module::DirectoryName Module::getUmbrellaDir() const { |
| if (Header U = getUmbrellaHeader()) |
| return {"", U.Entry->getDir()}; |
| |
| return {UmbrellaAsWritten, static_cast<const DirectoryEntry *>(Umbrella)}; |
| } |
| |
| void Module::addTopHeader(const FileEntry *File) { |
| assert(File); |
| TopHeaders.insert(File); |
| } |
| |
| ArrayRef<const FileEntry *> Module::getTopHeaders(FileManager &FileMgr) { |
| if (!TopHeaderNames.empty()) { |
| for (std::vector<std::string>::iterator |
| I = TopHeaderNames.begin(), E = TopHeaderNames.end(); I != E; ++I) { |
| if (auto FE = FileMgr.getFile(*I)) |
| TopHeaders.insert(*FE); |
| } |
| TopHeaderNames.clear(); |
| } |
| |
| return llvm::makeArrayRef(TopHeaders.begin(), TopHeaders.end()); |
| } |
| |
| bool Module::directlyUses(const Module *Requested) const { |
| auto *Top = getTopLevelModule(); |
| |
| // A top-level module implicitly uses itself. |
| if (Requested->isSubModuleOf(Top)) |
| return true; |
| |
| for (auto *Use : Top->DirectUses) |
| if (Requested->isSubModuleOf(Use)) |
| return true; |
| |
| // Anyone is allowed to use our builtin stddef.h and its accompanying module. |
| if (!Requested->Parent && Requested->Name == "_Builtin_stddef_max_align_t") |
| return true; |
| |
| return false; |
| } |
| |
| void Module::addRequirement(StringRef Feature, bool RequiredState, |
| const LangOptions &LangOpts, |
| const TargetInfo &Target) { |
| Requirements.push_back(Requirement(std::string(Feature), RequiredState)); |
| |
| // If this feature is currently available, we're done. |
| if (hasFeature(Feature, LangOpts, Target) == RequiredState) |
| return; |
| |
| markUnavailable(/*Unimportable*/true); |
| } |
| |
| void Module::markUnavailable(bool Unimportable) { |
| auto needUpdate = [Unimportable](Module *M) { |
| return M->IsAvailable || (!M->IsUnimportable && Unimportable); |
| }; |
| |
| if (!needUpdate(this)) |
| return; |
| |
| SmallVector<Module *, 2> Stack; |
| Stack.push_back(this); |
| while (!Stack.empty()) { |
| Module *Current = Stack.back(); |
| Stack.pop_back(); |
| |
| if (!needUpdate(Current)) |
| continue; |
| |
| Current->IsAvailable = false; |
| Current->IsUnimportable |= Unimportable; |
| for (submodule_iterator Sub = Current->submodule_begin(), |
| SubEnd = Current->submodule_end(); |
| Sub != SubEnd; ++Sub) { |
| if (needUpdate(*Sub)) |
| Stack.push_back(*Sub); |
| } |
| } |
| } |
| |
| Module *Module::findSubmodule(StringRef Name) const { |
| llvm::StringMap<unsigned>::const_iterator Pos = SubModuleIndex.find(Name); |
| if (Pos == SubModuleIndex.end()) |
| return nullptr; |
| |
| return SubModules[Pos->getValue()]; |
| } |
| |
| Module *Module::findOrInferSubmodule(StringRef Name) { |
| llvm::StringMap<unsigned>::const_iterator Pos = SubModuleIndex.find(Name); |
| if (Pos != SubModuleIndex.end()) |
| return SubModules[Pos->getValue()]; |
| if (!InferSubmodules) |
| return nullptr; |
| Module *Result = new Module(Name, SourceLocation(), this, false, InferExplicitSubmodules, 0); |
| Result->InferExplicitSubmodules = InferExplicitSubmodules; |
| Result->InferSubmodules = InferSubmodules; |
| Result->InferExportWildcard = InferExportWildcard; |
| if (Result->InferExportWildcard) |
| Result->Exports.push_back(Module::ExportDecl(nullptr, true)); |
| return Result; |
| } |
| |
| void Module::getExportedModules(SmallVectorImpl<Module *> &Exported) const { |
| // All non-explicit submodules are exported. |
| for (std::vector<Module *>::const_iterator I = SubModules.begin(), |
| E = SubModules.end(); |
| I != E; ++I) { |
| Module *Mod = *I; |
| if (!Mod->IsExplicit) |
| Exported.push_back(Mod); |
| } |
| |
| // Find re-exported modules by filtering the list of imported modules. |
| bool AnyWildcard = false; |
| bool UnrestrictedWildcard = false; |
| SmallVector<Module *, 4> WildcardRestrictions; |
| for (unsigned I = 0, N = Exports.size(); I != N; ++I) { |
| Module *Mod = Exports[I].getPointer(); |
| if (!Exports[I].getInt()) { |
| // Export a named module directly; no wildcards involved. |
| Exported.push_back(Mod); |
| |
| continue; |
| } |
| |
| // Wildcard export: export all of the imported modules that match |
| // the given pattern. |
| AnyWildcard = true; |
| if (UnrestrictedWildcard) |
| continue; |
| |
| if (Module *Restriction = Exports[I].getPointer()) |
| WildcardRestrictions.push_back(Restriction); |
| else { |
| WildcardRestrictions.clear(); |
| UnrestrictedWildcard = true; |
| } |
| } |
| |
| // If there were any wildcards, push any imported modules that were |
| // re-exported by the wildcard restriction. |
| if (!AnyWildcard) |
| return; |
| |
| for (unsigned I = 0, N = Imports.size(); I != N; ++I) { |
| Module *Mod = Imports[I]; |
| bool Acceptable = UnrestrictedWildcard; |
| if (!Acceptable) { |
| // Check whether this module meets one of the restrictions. |
| for (unsigned R = 0, NR = WildcardRestrictions.size(); R != NR; ++R) { |
| Module *Restriction = WildcardRestrictions[R]; |
| if (Mod == Restriction || Mod->isSubModuleOf(Restriction)) { |
| Acceptable = true; |
| break; |
| } |
| } |
| } |
| |
| if (!Acceptable) |
| continue; |
| |
| Exported.push_back(Mod); |
| } |
| } |
| |
| void Module::buildVisibleModulesCache() const { |
| assert(VisibleModulesCache.empty() && "cache does not need building"); |
| |
| // This module is visible to itself. |
| VisibleModulesCache.insert(this); |
| |
| // Every imported module is visible. |
| SmallVector<Module *, 16> Stack(Imports.begin(), Imports.end()); |
| while (!Stack.empty()) { |
| Module *CurrModule = Stack.pop_back_val(); |
| |
| // Every module transitively exported by an imported module is visible. |
| if (VisibleModulesCache.insert(CurrModule).second) |
| CurrModule->getExportedModules(Stack); |
| } |
| } |
| |
| void Module::print(raw_ostream &OS, unsigned Indent) const { |
| OS.indent(Indent); |
| if (IsFramework) |
| OS << "framework "; |
| if (IsExplicit) |
| OS << "explicit "; |
| OS << "module "; |
| printModuleId(OS, &Name, &Name + 1); |
| |
| if (IsSystem || IsExternC) { |
| OS.indent(Indent + 2); |
| if (IsSystem) |
| OS << " [system]"; |
| if (IsExternC) |
| OS << " [extern_c]"; |
| } |
| |
| OS << " {\n"; |
| |
| if (!Requirements.empty()) { |
| OS.indent(Indent + 2); |
| OS << "requires "; |
| for (unsigned I = 0, N = Requirements.size(); I != N; ++I) { |
| if (I) |
| OS << ", "; |
| if (!Requirements[I].second) |
| OS << "!"; |
| OS << Requirements[I].first; |
| } |
| OS << "\n"; |
| } |
| |
| if (Header H = getUmbrellaHeader()) { |
| OS.indent(Indent + 2); |
| OS << "umbrella header \""; |
| OS.write_escaped(H.NameAsWritten); |
| OS << "\"\n"; |
| } else if (DirectoryName D = getUmbrellaDir()) { |
| OS.indent(Indent + 2); |
| OS << "umbrella \""; |
| OS.write_escaped(D.NameAsWritten); |
| OS << "\"\n"; |
| } |
| |
| if (!ConfigMacros.empty() || ConfigMacrosExhaustive) { |
| OS.indent(Indent + 2); |
| OS << "config_macros "; |
| if (ConfigMacrosExhaustive) |
| OS << "[exhaustive]"; |
| for (unsigned I = 0, N = ConfigMacros.size(); I != N; ++I) { |
| if (I) |
| OS << ", "; |
| OS << ConfigMacros[I]; |
| } |
| OS << "\n"; |
| } |
| |
| struct { |
| StringRef Prefix; |
| HeaderKind Kind; |
| } Kinds[] = {{"", HK_Normal}, |
| {"textual ", HK_Textual}, |
| {"private ", HK_Private}, |
| {"private textual ", HK_PrivateTextual}, |
| {"exclude ", HK_Excluded}}; |
| |
| for (auto &K : Kinds) { |
| assert(&K == &Kinds[K.Kind] && "kinds in wrong order"); |
| for (auto &H : Headers[K.Kind]) { |
| OS.indent(Indent + 2); |
| OS << K.Prefix << "header \""; |
| OS.write_escaped(H.NameAsWritten); |
| OS << "\" { size " << H.Entry->getSize() |
| << " mtime " << H.Entry->getModificationTime() << " }\n"; |
| } |
| } |
| for (auto *Unresolved : {&UnresolvedHeaders, &MissingHeaders}) { |
| for (auto &U : *Unresolved) { |
| OS.indent(Indent + 2); |
| OS << Kinds[U.Kind].Prefix << "header \""; |
| OS.write_escaped(U.FileName); |
| OS << "\""; |
| if (U.Size || U.ModTime) { |
| OS << " {"; |
| if (U.Size) |
| OS << " size " << *U.Size; |
| if (U.ModTime) |
| OS << " mtime " << *U.ModTime; |
| OS << " }"; |
| } |
| OS << "\n"; |
| } |
| } |
| |
| if (!ExportAsModule.empty()) { |
| OS.indent(Indent + 2); |
| OS << "export_as" << ExportAsModule << "\n"; |
| } |
| |
| for (submodule_const_iterator MI = submodule_begin(), MIEnd = submodule_end(); |
| MI != MIEnd; ++MI) |
| // Print inferred subframework modules so that we don't need to re-infer |
| // them (requires expensive directory iteration + stat calls) when we build |
| // the module. Regular inferred submodules are OK, as we need to look at all |
| // those header files anyway. |
| if (!(*MI)->IsInferred || (*MI)->IsFramework) |
| (*MI)->print(OS, Indent + 2); |
| |
| for (unsigned I = 0, N = Exports.size(); I != N; ++I) { |
| OS.indent(Indent + 2); |
| OS << "export "; |
| if (Module *Restriction = Exports[I].getPointer()) { |
| OS << Restriction->getFullModuleName(true); |
| if (Exports[I].getInt()) |
| OS << ".*"; |
| } else { |
| OS << "*"; |
| } |
| OS << "\n"; |
| } |
| |
| for (unsigned I = 0, N = UnresolvedExports.size(); I != N; ++I) { |
| OS.indent(Indent + 2); |
| OS << "export "; |
| printModuleId(OS, UnresolvedExports[I].Id); |
| if (UnresolvedExports[I].Wildcard) |
| OS << (UnresolvedExports[I].Id.empty() ? "*" : ".*"); |
| OS << "\n"; |
| } |
| |
| for (unsigned I = 0, N = DirectUses.size(); I != N; ++I) { |
| OS.indent(Indent + 2); |
| OS << "use "; |
| OS << DirectUses[I]->getFullModuleName(true); |
| OS << "\n"; |
| } |
| |
| for (unsigned I = 0, N = UnresolvedDirectUses.size(); I != N; ++I) { |
| OS.indent(Indent + 2); |
| OS << "use "; |
| printModuleId(OS, UnresolvedDirectUses[I]); |
| OS << "\n"; |
| } |
| |
| for (unsigned I = 0, N = LinkLibraries.size(); I != N; ++I) { |
| OS.indent(Indent + 2); |
| OS << "link "; |
| if (LinkLibraries[I].IsFramework) |
| OS << "framework "; |
| OS << "\""; |
| OS.write_escaped(LinkLibraries[I].Library); |
| OS << "\""; |
| } |
| |
| for (unsigned I = 0, N = UnresolvedConflicts.size(); I != N; ++I) { |
| OS.indent(Indent + 2); |
| OS << "conflict "; |
| printModuleId(OS, UnresolvedConflicts[I].Id); |
| OS << ", \""; |
| OS.write_escaped(UnresolvedConflicts[I].Message); |
| OS << "\"\n"; |
| } |
| |
| for (unsigned I = 0, N = Conflicts.size(); I != N; ++I) { |
| OS.indent(Indent + 2); |
| OS << "conflict "; |
| OS << Conflicts[I].Other->getFullModuleName(true); |
| OS << ", \""; |
| OS.write_escaped(Conflicts[I].Message); |
| OS << "\"\n"; |
| } |
| |
| if (InferSubmodules) { |
| OS.indent(Indent + 2); |
| if (InferExplicitSubmodules) |
| OS << "explicit "; |
| OS << "module * {\n"; |
| if (InferExportWildcard) { |
| OS.indent(Indent + 4); |
| OS << "export *\n"; |
| } |
| OS.indent(Indent + 2); |
| OS << "}\n"; |
| } |
| |
| OS.indent(Indent); |
| OS << "}\n"; |
| } |
| |
| LLVM_DUMP_METHOD void Module::dump() const { |
| print(llvm::errs()); |
| } |
| |
| void VisibleModuleSet::setVisible(Module *M, SourceLocation Loc, |
| VisibleCallback Vis, ConflictCallback Cb) { |
| assert(Loc.isValid() && "setVisible expects a valid import location"); |
| if (isVisible(M)) |
| return; |
| |
| ++Generation; |
| |
| struct Visiting { |
| Module *M; |
| Visiting *ExportedBy; |
| }; |
| |
| std::function<void(Visiting)> VisitModule = [&](Visiting V) { |
| // Nothing to do for a module that's already visible. |
| unsigned ID = V.M->getVisibilityID(); |
| if (ImportLocs.size() <= ID) |
| ImportLocs.resize(ID + 1); |
| else if (ImportLocs[ID].isValid()) |
| return; |
| |
| ImportLocs[ID] = Loc; |
| Vis(M); |
| |
| // Make any exported modules visible. |
| SmallVector<Module *, 16> Exports; |
| V.M->getExportedModules(Exports); |
| for (Module *E : Exports) { |
| // Don't import non-importable modules. |
| if (!E->isUnimportable()) |
| VisitModule({E, &V}); |
| } |
| |
| for (auto &C : V.M->Conflicts) { |
| if (isVisible(C.Other)) { |
| llvm::SmallVector<Module*, 8> Path; |
| for (Visiting *I = &V; I; I = I->ExportedBy) |
| Path.push_back(I->M); |
| Cb(Path, C.Other, C.Message); |
| } |
| } |
| }; |
| VisitModule({M, nullptr}); |
| } |
| |
| ASTSourceDescriptor::ASTSourceDescriptor(Module &M) |
| : Signature(M.Signature), ClangModule(&M) { |
| if (M.Directory) |
| Path = M.Directory->getName(); |
| if (auto *File = M.getASTFile()) |
| ASTFile = File->getName(); |
| } |
| |
| std::string ASTSourceDescriptor::getModuleName() const { |
| if (ClangModule) |
| return ClangModule->Name; |
| else |
| return std::string(PCHModuleName); |
| } |