| //===--- ModuleMap.cpp - Describe the layout of modules ---------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the ModuleMap implementation, which describes the layout |
| // of a module as it relates to headers. |
| // |
| //===----------------------------------------------------------------------===// |
| #include "clang/Lex/ModuleMap.h" |
| #include "clang/Lex/Lexer.h" |
| #include "clang/Lex/LiteralSupport.h" |
| #include "clang/Lex/LexDiagnostic.h" |
| #include "clang/Basic/Diagnostic.h" |
| #include "clang/Basic/FileManager.h" |
| #include "clang/Basic/TargetInfo.h" |
| #include "clang/Basic/TargetOptions.h" |
| #include "llvm/Support/Allocator.h" |
| #include "llvm/Support/Host.h" |
| #include "llvm/Support/PathV2.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/StringSwitch.h" |
| using namespace clang; |
| |
| //----------------------------------------------------------------------------// |
| // Module |
| //----------------------------------------------------------------------------// |
| |
| ModuleMap::Module::~Module() { |
| for (llvm::StringMap<Module *>::iterator I = SubModules.begin(), |
| IEnd = SubModules.end(); |
| I != IEnd; ++I) { |
| delete I->getValue(); |
| } |
| |
| } |
| |
| std::string ModuleMap::Module::getFullModuleName() const { |
| llvm::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; |
| for (llvm::SmallVector<StringRef, 2>::reverse_iterator I = Names.rbegin(), |
| IEnd = Names.rend(); |
| I != IEnd; ++I) { |
| if (!Result.empty()) |
| Result += '.'; |
| |
| Result += *I; |
| } |
| |
| return Result; |
| } |
| |
| StringRef ModuleMap::Module::getTopLevelModuleName() const { |
| const Module *Top = this; |
| while (Top->Parent) |
| Top = Top->Parent; |
| |
| return Top->Name; |
| } |
| |
| static void indent(llvm::raw_ostream &OS, unsigned Spaces) { |
| OS << std::string(Spaces, ' '); |
| } |
| |
| void ModuleMap::Module::print(llvm::raw_ostream &OS, unsigned Indent) const { |
| indent(OS, Indent); |
| if (IsFramework) |
| OS << "framework "; |
| if (IsExplicit) |
| OS << "explicit "; |
| OS << "module " << Name << " {\n"; |
| |
| if (UmbrellaHeader) { |
| indent(OS, Indent + 2); |
| OS << "umbrella \"" << UmbrellaHeader->getName() << "\"\n"; |
| } |
| |
| for (unsigned I = 0, N = Headers.size(); I != N; ++I) { |
| indent(OS, Indent + 2); |
| OS << "header \"" << Headers[I]->getName() << "\"\n"; |
| } |
| |
| for (llvm::StringMap<Module *>::const_iterator MI = SubModules.begin(), |
| MIEnd = SubModules.end(); |
| MI != MIEnd; ++MI) |
| MI->getValue()->print(OS, Indent + 2); |
| |
| indent(OS, Indent); |
| OS << "}\n"; |
| } |
| |
| void ModuleMap::Module::dump() const { |
| print(llvm::errs()); |
| } |
| |
| //----------------------------------------------------------------------------// |
| // Module map |
| //----------------------------------------------------------------------------// |
| |
| ModuleMap::ModuleMap(FileManager &FileMgr, const DiagnosticConsumer &DC) { |
| llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagIDs(new DiagnosticIDs); |
| Diags = llvm::IntrusiveRefCntPtr<DiagnosticsEngine>( |
| new DiagnosticsEngine(DiagIDs)); |
| Diags->setClient(DC.clone(*Diags), /*ShouldOwnClient=*/true); |
| SourceMgr = new SourceManager(*Diags, FileMgr); |
| } |
| |
| ModuleMap::~ModuleMap() { |
| for (llvm::StringMap<Module *>::iterator I = Modules.begin(), |
| IEnd = Modules.end(); |
| I != IEnd; ++I) { |
| delete I->getValue(); |
| } |
| |
| delete SourceMgr; |
| } |
| |
| ModuleMap::Module *ModuleMap::findModuleForHeader(const FileEntry *File) { |
| llvm::DenseMap<const FileEntry *, Module *>::iterator Known |
| = Headers.find(File); |
| if (Known != Headers.end()) |
| return Known->second; |
| |
| const DirectoryEntry *Dir = File->getDir(); |
| llvm::DenseMap<const DirectoryEntry *, Module *>::iterator KnownDir |
| = UmbrellaDirs.find(Dir); |
| if (KnownDir != UmbrellaDirs.end()) |
| return KnownDir->second; |
| |
| // Walk up the directory hierarchy looking for umbrella headers. |
| llvm::SmallVector<const DirectoryEntry *, 2> SkippedDirs; |
| StringRef DirName = Dir->getName(); |
| do { |
| // Retrieve our parent path. |
| DirName = llvm::sys::path::parent_path(DirName); |
| if (DirName.empty()) |
| break; |
| |
| // Resolve the parent path to a directory entry. |
| Dir = SourceMgr->getFileManager().getDirectory(DirName); |
| if (!Dir) |
| break; |
| |
| KnownDir = UmbrellaDirs.find(Dir); |
| if (KnownDir != UmbrellaDirs.end()) { |
| Module *Result = KnownDir->second; |
| |
| // Record each of the directories we stepped through as being part of |
| // the module we found, since the umbrella header covers them all. |
| for (unsigned I = 0, N = SkippedDirs.size(); I != N; ++I) |
| UmbrellaDirs[SkippedDirs[I]] = Result; |
| |
| return Result; |
| } |
| |
| SkippedDirs.push_back(Dir); |
| } while (true); |
| |
| return 0; |
| } |
| |
| ModuleMap::Module *ModuleMap::findModule(StringRef Name) { |
| llvm::StringMap<Module *>::iterator Known = Modules.find(Name); |
| if (Known != Modules.end()) |
| return Known->getValue(); |
| |
| return 0; |
| } |
| |
| ModuleMap::Module * |
| ModuleMap::inferFrameworkModule(StringRef ModuleName, |
| const DirectoryEntry *FrameworkDir) { |
| // Check whether we've already found this module. |
| if (Module *Module = findModule(ModuleName)) |
| return Module; |
| |
| // Look for an umbrella header. |
| llvm::SmallString<128> UmbrellaName = StringRef(FrameworkDir->getName()); |
| llvm::sys::path::append(UmbrellaName, "Headers"); |
| llvm::sys::path::append(UmbrellaName, ModuleName + ".h"); |
| const FileEntry *UmbrellaHeader |
| = SourceMgr->getFileManager().getFile(UmbrellaName); |
| |
| // FIXME: If there's no umbrella header, we could probably scan the |
| // framework to load *everything*. But, it's not clear that this is a good |
| // idea. |
| if (!UmbrellaHeader) |
| return 0; |
| |
| Module *Result = new Module(ModuleName, SourceLocation(), |
| /*IsFramework=*/true); |
| Result->UmbrellaHeader = UmbrellaHeader; |
| Headers[UmbrellaHeader] = Result; |
| UmbrellaDirs[FrameworkDir] = Result; |
| Modules[ModuleName] = Result; |
| return Result; |
| } |
| |
| const FileEntry * |
| ModuleMap::getContainingModuleMapFile(ModuleMap::Module *Module) { |
| if (Module->DefinitionLoc.isInvalid() || !SourceMgr) |
| return 0; |
| |
| return SourceMgr->getFileEntryForID( |
| SourceMgr->getFileID(Module->DefinitionLoc)); |
| } |
| |
| void ModuleMap::dump() { |
| llvm::errs() << "Modules:"; |
| for (llvm::StringMap<Module *>::iterator M = Modules.begin(), |
| MEnd = Modules.end(); |
| M != MEnd; ++M) |
| M->getValue()->print(llvm::errs(), 2); |
| |
| llvm::errs() << "Headers:"; |
| for (llvm::DenseMap<const FileEntry *, Module *>::iterator |
| H = Headers.begin(), |
| HEnd = Headers.end(); |
| H != HEnd; ++H) { |
| llvm::errs() << " \"" << H->first->getName() << "\" -> " |
| << H->second->getFullModuleName() << "\n"; |
| } |
| } |
| |
| //----------------------------------------------------------------------------// |
| // Module map file parser |
| //----------------------------------------------------------------------------// |
| |
| namespace clang { |
| /// \brief A token in a module map file. |
| struct MMToken { |
| enum TokenKind { |
| EndOfFile, |
| HeaderKeyword, |
| Identifier, |
| ExplicitKeyword, |
| FrameworkKeyword, |
| ModuleKeyword, |
| UmbrellaKeyword, |
| StringLiteral, |
| LBrace, |
| RBrace |
| } Kind; |
| |
| unsigned Location; |
| unsigned StringLength; |
| const char *StringData; |
| |
| void clear() { |
| Kind = EndOfFile; |
| Location = 0; |
| StringLength = 0; |
| StringData = 0; |
| } |
| |
| bool is(TokenKind K) const { return Kind == K; } |
| |
| SourceLocation getLocation() const { |
| return SourceLocation::getFromRawEncoding(Location); |
| } |
| |
| StringRef getString() const { |
| return StringRef(StringData, StringLength); |
| } |
| }; |
| |
| class ModuleMapParser { |
| Lexer &L; |
| SourceManager &SourceMgr; |
| DiagnosticsEngine &Diags; |
| ModuleMap ⤅ |
| |
| /// \brief The directory that this module map resides in. |
| const DirectoryEntry *Directory; |
| |
| /// \brief Whether an error occurred. |
| bool HadError; |
| |
| /// \brief Default target information, used only for string literal |
| /// parsing. |
| TargetInfo *Target; |
| |
| /// \brief Stores string data for the various string literals referenced |
| /// during parsing. |
| llvm::BumpPtrAllocator StringData; |
| |
| /// \brief The current token. |
| MMToken Tok; |
| |
| /// \brief The active module. |
| ModuleMap::Module *ActiveModule; |
| |
| /// \brief Consume the current token and return its location. |
| SourceLocation consumeToken(); |
| |
| /// \brief Skip tokens until we reach the a token with the given kind |
| /// (or the end of the file). |
| void skipUntil(MMToken::TokenKind K); |
| |
| void parseModuleDecl(); |
| void parseUmbrellaDecl(); |
| void parseHeaderDecl(); |
| |
| public: |
| typedef ModuleMap::Module Module; |
| |
| explicit ModuleMapParser(Lexer &L, SourceManager &SourceMgr, |
| DiagnosticsEngine &Diags, |
| ModuleMap &Map, |
| const DirectoryEntry *Directory) |
| : L(L), SourceMgr(SourceMgr), Diags(Diags), Map(Map), |
| Directory(Directory), HadError(false), ActiveModule(0) |
| { |
| TargetOptions TargetOpts; |
| TargetOpts.Triple = llvm::sys::getDefaultTargetTriple(); |
| Target = TargetInfo::CreateTargetInfo(Diags, TargetOpts); |
| |
| Tok.clear(); |
| consumeToken(); |
| } |
| |
| bool parseModuleMapFile(); |
| }; |
| } |
| |
| SourceLocation ModuleMapParser::consumeToken() { |
| retry: |
| SourceLocation Result = Tok.getLocation(); |
| Tok.clear(); |
| |
| Token LToken; |
| L.LexFromRawLexer(LToken); |
| Tok.Location = LToken.getLocation().getRawEncoding(); |
| switch (LToken.getKind()) { |
| case tok::raw_identifier: |
| Tok.StringData = LToken.getRawIdentifierData(); |
| Tok.StringLength = LToken.getLength(); |
| Tok.Kind = llvm::StringSwitch<MMToken::TokenKind>(Tok.getString()) |
| .Case("header", MMToken::HeaderKeyword) |
| .Case("explicit", MMToken::ExplicitKeyword) |
| .Case("framework", MMToken::FrameworkKeyword) |
| .Case("module", MMToken::ModuleKeyword) |
| .Case("umbrella", MMToken::UmbrellaKeyword) |
| .Default(MMToken::Identifier); |
| break; |
| |
| case tok::eof: |
| Tok.Kind = MMToken::EndOfFile; |
| break; |
| |
| case tok::l_brace: |
| Tok.Kind = MMToken::LBrace; |
| break; |
| |
| case tok::r_brace: |
| Tok.Kind = MMToken::RBrace; |
| break; |
| |
| case tok::string_literal: { |
| // Parse the string literal. |
| LangOptions LangOpts; |
| StringLiteralParser StringLiteral(<oken, 1, SourceMgr, LangOpts, *Target); |
| if (StringLiteral.hadError) |
| goto retry; |
| |
| // Copy the string literal into our string data allocator. |
| unsigned Length = StringLiteral.GetStringLength(); |
| char *Saved = StringData.Allocate<char>(Length + 1); |
| memcpy(Saved, StringLiteral.GetString().data(), Length); |
| Saved[Length] = 0; |
| |
| // Form the token. |
| Tok.Kind = MMToken::StringLiteral; |
| Tok.StringData = Saved; |
| Tok.StringLength = Length; |
| break; |
| } |
| |
| case tok::comment: |
| goto retry; |
| |
| default: |
| Diags.Report(LToken.getLocation(), diag::err_mmap_unknown_token); |
| HadError = true; |
| goto retry; |
| } |
| |
| return Result; |
| } |
| |
| void ModuleMapParser::skipUntil(MMToken::TokenKind K) { |
| unsigned braceDepth = 0; |
| do { |
| switch (Tok.Kind) { |
| case MMToken::EndOfFile: |
| return; |
| |
| case MMToken::LBrace: |
| if (Tok.is(K) && braceDepth == 0) |
| return; |
| |
| ++braceDepth; |
| break; |
| |
| case MMToken::RBrace: |
| if (braceDepth > 0) |
| --braceDepth; |
| else if (Tok.is(K)) |
| return; |
| break; |
| |
| default: |
| if (braceDepth == 0 && Tok.is(K)) |
| return; |
| break; |
| } |
| |
| consumeToken(); |
| } while (true); |
| } |
| |
| /// \brief Parse a module declaration. |
| /// |
| /// module-declaration: |
| /// 'framework'[opt] 'module' identifier { module-member* } |
| /// |
| /// module-member: |
| /// umbrella-declaration |
| /// header-declaration |
| /// 'explicit'[opt] module-declaration |
| void ModuleMapParser::parseModuleDecl() { |
| assert(Tok.is(MMToken::ExplicitKeyword) || Tok.is(MMToken::ModuleKeyword) || |
| Tok.is(MMToken::FrameworkKeyword)); |
| |
| // Parse 'framework' or 'explicit' keyword, if present. |
| bool Framework = false; |
| bool Explicit = false; |
| |
| if (Tok.is(MMToken::FrameworkKeyword)) { |
| consumeToken(); |
| Framework = true; |
| } |
| // Parse 'explicit' keyword, if present. |
| else if (Tok.is(MMToken::ExplicitKeyword)) { |
| consumeToken(); |
| Explicit = true; |
| } |
| |
| // Parse 'module' keyword. |
| if (!Tok.is(MMToken::ModuleKeyword)) { |
| Diags.Report(Tok.getLocation(), |
| diag::err_mmap_expected_module_after_explicit); |
| consumeToken(); |
| HadError = true; |
| return; |
| } |
| consumeToken(); // 'module' keyword |
| |
| // Parse the module name. |
| if (!Tok.is(MMToken::Identifier)) { |
| Diags.Report(Tok.getLocation(), diag::err_mmap_expected_module_name); |
| HadError = true; |
| return; |
| } |
| StringRef ModuleName = Tok.getString(); |
| SourceLocation ModuleNameLoc = consumeToken(); |
| |
| // Parse the opening brace. |
| if (!Tok.is(MMToken::LBrace)) { |
| Diags.Report(Tok.getLocation(), diag::err_mmap_expected_lbrace) |
| << ModuleName; |
| HadError = true; |
| return; |
| } |
| SourceLocation LBraceLoc = consumeToken(); |
| |
| // Determine whether this (sub)module has already been defined. |
| llvm::StringMap<Module *> &ModuleSpace |
| = ActiveModule? ActiveModule->SubModules : Map.Modules; |
| llvm::StringMap<Module *>::iterator ExistingModule |
| = ModuleSpace.find(ModuleName); |
| if (ExistingModule != ModuleSpace.end()) { |
| Diags.Report(ModuleNameLoc, diag::err_mmap_module_redefinition) |
| << ModuleName; |
| Diags.Report(ExistingModule->getValue()->DefinitionLoc, |
| diag::note_mmap_prev_definition); |
| |
| // Skip the module definition. |
| skipUntil(MMToken::RBrace); |
| if (Tok.is(MMToken::RBrace)) |
| consumeToken(); |
| |
| HadError = true; |
| return; |
| } |
| |
| // Start defining this module. |
| ActiveModule = new Module(ModuleName, ModuleNameLoc, ActiveModule, Framework, |
| Explicit); |
| ModuleSpace[ModuleName] = ActiveModule; |
| |
| bool Done = false; |
| do { |
| switch (Tok.Kind) { |
| case MMToken::EndOfFile: |
| case MMToken::RBrace: |
| Done = true; |
| break; |
| |
| case MMToken::ExplicitKeyword: |
| case MMToken::ModuleKeyword: |
| parseModuleDecl(); |
| break; |
| |
| case MMToken::HeaderKeyword: |
| parseHeaderDecl(); |
| break; |
| |
| case MMToken::UmbrellaKeyword: |
| parseUmbrellaDecl(); |
| break; |
| |
| default: |
| Diags.Report(Tok.getLocation(), diag::err_mmap_expected_member); |
| consumeToken(); |
| break; |
| } |
| } while (!Done); |
| |
| if (Tok.is(MMToken::RBrace)) |
| consumeToken(); |
| else { |
| Diags.Report(Tok.getLocation(), diag::err_mmap_expected_rbrace); |
| Diags.Report(LBraceLoc, diag::note_mmap_lbrace_match); |
| HadError = true; |
| } |
| |
| // We're done parsing this module. Pop back to our parent scope. |
| ActiveModule = ActiveModule->Parent; |
| } |
| |
| /// \brief Parse an umbrella header declaration. |
| /// |
| /// umbrella-declaration: |
| /// 'umbrella' string-literal |
| void ModuleMapParser::parseUmbrellaDecl() { |
| assert(Tok.is(MMToken::UmbrellaKeyword)); |
| SourceLocation UmbrellaLoc = consumeToken(); |
| |
| // Parse the header name. |
| if (!Tok.is(MMToken::StringLiteral)) { |
| Diags.Report(Tok.getLocation(), diag::err_mmap_expected_header) |
| << "umbrella"; |
| HadError = true; |
| return; |
| } |
| StringRef FileName = Tok.getString(); |
| SourceLocation FileNameLoc = consumeToken(); |
| |
| // Check whether we already have an umbrella header. |
| if (ActiveModule->UmbrellaHeader) { |
| Diags.Report(FileNameLoc, diag::err_mmap_umbrella_header_conflict) |
| << ActiveModule->getFullModuleName() |
| << ActiveModule->UmbrellaHeader->getName(); |
| HadError = true; |
| return; |
| } |
| |
| // Only top-level modules can have umbrella headers. |
| if (ActiveModule->Parent) { |
| Diags.Report(UmbrellaLoc, diag::err_mmap_umbrella_header_submodule) |
| << ActiveModule->getFullModuleName(); |
| HadError = true; |
| return; |
| } |
| |
| // Look for this file. |
| llvm::SmallString<128> PathName; |
| const FileEntry *File = 0; |
| |
| if (llvm::sys::path::is_absolute(FileName)) { |
| PathName = FileName; |
| File = SourceMgr.getFileManager().getFile(PathName); |
| } else { |
| // Search for the header file within the search directory. |
| PathName += Directory->getName(); |
| unsigned PathLength = PathName.size(); |
| if (ActiveModule->isPartOfFramework()) { |
| // Check whether this file is in the public headers. |
| llvm::sys::path::append(PathName, "Headers"); |
| llvm::sys::path::append(PathName, FileName); |
| File = SourceMgr.getFileManager().getFile(PathName); |
| |
| if (!File) { |
| // Check whether this file is in the private headers. |
| PathName.resize(PathLength); |
| llvm::sys::path::append(PathName, "PrivateHeaders"); |
| llvm::sys::path::append(PathName, FileName); |
| File = SourceMgr.getFileManager().getFile(PathName); |
| } |
| |
| // FIXME: Deal with subframeworks. |
| } else { |
| // Lookup for normal headers. |
| llvm::sys::path::append(PathName, FileName); |
| File = SourceMgr.getFileManager().getFile(PathName); |
| } |
| } |
| |
| // FIXME: We shouldn't be eagerly stat'ing every file named in a module map. |
| // Come up with a lazy way to do this. |
| if (File) { |
| if (const Module *OwningModule = Map.Headers[File]) { |
| Diags.Report(FileNameLoc, diag::err_mmap_header_conflict) |
| << FileName << OwningModule->getFullModuleName(); |
| HadError = true; |
| } else if ((OwningModule = Map.UmbrellaDirs[Directory])) { |
| Diags.Report(UmbrellaLoc, diag::err_mmap_umbrella_clash) |
| << OwningModule->getFullModuleName(); |
| HadError = true; |
| } else { |
| // Record this umbrella header. |
| ActiveModule->UmbrellaHeader = File; |
| Map.Headers[File] = ActiveModule; |
| Map.UmbrellaDirs[Directory] = ActiveModule; |
| } |
| } else { |
| Diags.Report(FileNameLoc, diag::err_mmap_header_not_found) |
| << true << FileName; |
| HadError = true; |
| } |
| } |
| |
| /// \brief Parse a header declaration. |
| /// |
| /// header-declaration: |
| /// 'header' string-literal |
| void ModuleMapParser::parseHeaderDecl() { |
| assert(Tok.is(MMToken::HeaderKeyword)); |
| consumeToken(); |
| |
| // Parse the header name. |
| if (!Tok.is(MMToken::StringLiteral)) { |
| Diags.Report(Tok.getLocation(), diag::err_mmap_expected_header) |
| << "header"; |
| HadError = true; |
| return; |
| } |
| StringRef FileName = Tok.getString(); |
| SourceLocation FileNameLoc = consumeToken(); |
| |
| // Look for this file. |
| llvm::SmallString<128> PathName; |
| if (llvm::sys::path::is_relative(FileName)) { |
| // FIXME: Change this search to also look for private headers! |
| PathName += Directory->getName(); |
| |
| if (ActiveModule->isPartOfFramework()) |
| llvm::sys::path::append(PathName, "Headers"); |
| } |
| |
| llvm::sys::path::append(PathName, FileName); |
| |
| // FIXME: We shouldn't be eagerly stat'ing every file named in a module map. |
| // Come up with a lazy way to do this. |
| if (const FileEntry *File = SourceMgr.getFileManager().getFile(PathName)) { |
| if (const Module *OwningModule = Map.Headers[File]) { |
| Diags.Report(FileNameLoc, diag::err_mmap_header_conflict) |
| << FileName << OwningModule->getFullModuleName(); |
| HadError = true; |
| } else { |
| // Record this file. |
| ActiveModule->Headers.push_back(File); |
| Map.Headers[File] = ActiveModule; |
| } |
| } else { |
| Diags.Report(FileNameLoc, diag::err_mmap_header_not_found) |
| << false << FileName; |
| HadError = true; |
| } |
| } |
| |
| /// \brief Parse a module map file. |
| /// |
| /// module-map-file: |
| /// module-declaration* |
| bool ModuleMapParser::parseModuleMapFile() { |
| do { |
| switch (Tok.Kind) { |
| case MMToken::EndOfFile: |
| return HadError; |
| |
| case MMToken::ModuleKeyword: |
| case MMToken::FrameworkKeyword: |
| parseModuleDecl(); |
| break; |
| |
| case MMToken::ExplicitKeyword: |
| case MMToken::HeaderKeyword: |
| case MMToken::Identifier: |
| case MMToken::LBrace: |
| case MMToken::RBrace: |
| case MMToken::StringLiteral: |
| case MMToken::UmbrellaKeyword: |
| Diags.Report(Tok.getLocation(), diag::err_mmap_expected_module); |
| HadError = true; |
| consumeToken(); |
| break; |
| } |
| } while (true); |
| |
| return HadError; |
| } |
| |
| bool ModuleMap::parseModuleMapFile(const FileEntry *File) { |
| FileID ID = SourceMgr->createFileID(File, SourceLocation(), SrcMgr::C_User); |
| const llvm::MemoryBuffer *Buffer = SourceMgr->getBuffer(ID); |
| if (!Buffer) |
| return true; |
| |
| // Parse this module map file. |
| Lexer L(ID, SourceMgr->getBuffer(ID), *SourceMgr, LangOpts); |
| Diags->getClient()->BeginSourceFile(LangOpts); |
| ModuleMapParser Parser(L, *SourceMgr, *Diags, *this, File->getDir()); |
| bool Result = Parser.parseModuleMapFile(); |
| Diags->getClient()->EndSourceFile(); |
| |
| return Result; |
| } |