Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1 | //===--- ModuleMap.cpp - Describe the layout of modules ---------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file defines the ModuleMap implementation, which describes the layout |
| 11 | // of a module as it relates to headers. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | #include "clang/Lex/ModuleMap.h" |
Jordan Rose | a7d0384 | 2013-02-08 22:30:41 +0000 | [diff] [blame] | 15 | #include "clang/Basic/CharInfo.h" |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 16 | #include "clang/Basic/Diagnostic.h" |
Douglas Gregor | 811db4e | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 17 | #include "clang/Basic/DiagnosticOptions.h" |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 18 | #include "clang/Basic/FileManager.h" |
| 19 | #include "clang/Basic/TargetInfo.h" |
| 20 | #include "clang/Basic/TargetOptions.h" |
Argyrios Kyrtzidis | b146baa | 2013-03-13 21:13:51 +0000 | [diff] [blame] | 21 | #include "clang/Lex/HeaderSearch.h" |
Richard Smith | 9acb99e3 | 2014-12-10 03:09:48 +0000 | [diff] [blame] | 22 | #include "clang/Lex/HeaderSearchOptions.h" |
Chandler Carruth | 3a02247 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 23 | #include "clang/Lex/LexDiagnostic.h" |
| 24 | #include "clang/Lex/Lexer.h" |
| 25 | #include "clang/Lex/LiteralSupport.h" |
| 26 | #include "llvm/ADT/StringRef.h" |
| 27 | #include "llvm/ADT/StringSwitch.h" |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 28 | #include "llvm/Support/Allocator.h" |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 29 | #include "llvm/Support/FileSystem.h" |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 30 | #include "llvm/Support/Host.h" |
Rafael Espindola | 552c169 | 2013-06-11 22:15:02 +0000 | [diff] [blame] | 31 | #include "llvm/Support/Path.h" |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 32 | #include "llvm/Support/raw_ostream.h" |
Douglas Gregor | 07c22b7 | 2012-09-27 14:50:15 +0000 | [diff] [blame] | 33 | #include <stdlib.h> |
Douglas Gregor | 01c7cfa | 2013-01-22 23:49:45 +0000 | [diff] [blame] | 34 | #if defined(LLVM_ON_UNIX) |
Dmitri Gribenko | eadae01 | 2013-01-26 16:29:36 +0000 | [diff] [blame] | 35 | #include <limits.h> |
Douglas Gregor | 01c7cfa | 2013-01-22 23:49:45 +0000 | [diff] [blame] | 36 | #endif |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 37 | using namespace clang; |
| 38 | |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 39 | Module::ExportDecl |
| 40 | ModuleMap::resolveExport(Module *Mod, |
| 41 | const Module::UnresolvedExportDecl &Unresolved, |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 42 | bool Complain) const { |
Douglas Gregor | f5eedd0 | 2011-12-05 17:28:06 +0000 | [diff] [blame] | 43 | // We may have just a wildcard. |
| 44 | if (Unresolved.Id.empty()) { |
| 45 | assert(Unresolved.Wildcard && "Invalid unresolved export"); |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 46 | return Module::ExportDecl(nullptr, true); |
Douglas Gregor | f5eedd0 | 2011-12-05 17:28:06 +0000 | [diff] [blame] | 47 | } |
| 48 | |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 49 | // Resolve the module-id. |
| 50 | Module *Context = resolveModuleId(Unresolved.Id, Mod, Complain); |
| 51 | if (!Context) |
| 52 | return Module::ExportDecl(); |
| 53 | |
| 54 | return Module::ExportDecl(Context, Unresolved.Wildcard); |
| 55 | } |
| 56 | |
| 57 | Module *ModuleMap::resolveModuleId(const ModuleId &Id, Module *Mod, |
| 58 | bool Complain) const { |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 59 | // Find the starting module. |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 60 | Module *Context = lookupModuleUnqualified(Id[0].first, Mod); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 61 | if (!Context) { |
| 62 | if (Complain) |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 63 | Diags.Report(Id[0].second, diag::err_mmap_missing_module_unqualified) |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 64 | << Id[0].first << Mod->getFullModuleName(); |
| 65 | |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 66 | return nullptr; |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | // Dig into the module path. |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 70 | for (unsigned I = 1, N = Id.size(); I != N; ++I) { |
| 71 | Module *Sub = lookupModuleQualified(Id[I].first, Context); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 72 | if (!Sub) { |
| 73 | if (Complain) |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 74 | Diags.Report(Id[I].second, diag::err_mmap_missing_module_qualified) |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 75 | << Id[I].first << Context->getFullModuleName() |
| 76 | << SourceRange(Id[0].second, Id[I-1].second); |
| 77 | |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 78 | return nullptr; |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 79 | } |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 80 | |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 81 | Context = Sub; |
| 82 | } |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 83 | |
| 84 | return Context; |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 85 | } |
| 86 | |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 87 | /// \brief Append to \p Paths the set of paths needed to get to the |
| 88 | /// subframework in which the given module lives. |
| 89 | static void appendSubframeworkPaths(Module *Mod, |
| 90 | SmallVectorImpl<char> &Path) { |
| 91 | // Collect the framework names from the given module to the top-level module. |
| 92 | SmallVector<StringRef, 2> Paths; |
| 93 | for (; Mod; Mod = Mod->Parent) { |
| 94 | if (Mod->IsFramework) |
| 95 | Paths.push_back(Mod->Name); |
| 96 | } |
| 97 | |
| 98 | if (Paths.empty()) |
| 99 | return; |
| 100 | |
| 101 | // Add Frameworks/Name.framework for each subframework. |
| 102 | for (unsigned I = Paths.size() - 1; I != 0; --I) |
| 103 | llvm::sys::path::append(Path, "Frameworks", Paths[I-1] + ".framework"); |
| 104 | } |
| 105 | |
| 106 | const FileEntry * |
| 107 | ModuleMap::resolveHeader(Module *M, Module::UnresolvedHeaderDirective Header, |
| 108 | SmallVectorImpl<char> &RelativePathName) { |
| 109 | if (llvm::sys::path::is_absolute(Header.FileName)) { |
| 110 | RelativePathName.clear(); |
| 111 | RelativePathName.append(Header.FileName.begin(), Header.FileName.end()); |
| 112 | return SourceMgr.getFileManager().getFile(Header.FileName); |
| 113 | } |
| 114 | |
| 115 | // Search for the header file within the module's home directory. |
| 116 | auto *Directory = M->Directory; |
| 117 | SmallString<128> FullPathName(Directory->getName()); |
| 118 | unsigned FullPathLength = FullPathName.size(); |
| 119 | |
| 120 | if (M->isPartOfFramework()) { |
| 121 | appendSubframeworkPaths(M, RelativePathName); |
| 122 | unsigned RelativePathLength = RelativePathName.size(); |
| 123 | |
| 124 | // Check whether this file is in the public headers. |
| 125 | llvm::sys::path::append(RelativePathName, "Headers", Header.FileName); |
| 126 | llvm::sys::path::append(FullPathName, RelativePathName); |
| 127 | if (auto *File = SourceMgr.getFileManager().getFile(FullPathName)) |
| 128 | return File; |
| 129 | |
| 130 | // Check whether this file is in the private headers. |
| 131 | // Ideally, private modules in the form 'FrameworkName.Private' should |
| 132 | // be defined as 'module FrameworkName.Private', and not as |
| 133 | // 'framework module FrameworkName.Private', since a 'Private.Framework' |
| 134 | // does not usually exist. However, since both are currently widely used |
| 135 | // for private modules, make sure we find the right path in both cases. |
| 136 | if (M->IsFramework && M->Name == "Private") |
| 137 | RelativePathName.clear(); |
| 138 | else |
| 139 | RelativePathName.resize(RelativePathLength); |
| 140 | FullPathName.resize(FullPathLength); |
| 141 | llvm::sys::path::append(RelativePathName, "PrivateHeaders", |
| 142 | Header.FileName); |
| 143 | llvm::sys::path::append(FullPathName, RelativePathName); |
| 144 | return SourceMgr.getFileManager().getFile(FullPathName); |
| 145 | } |
| 146 | |
| 147 | // Lookup for normal headers. |
| 148 | llvm::sys::path::append(RelativePathName, Header.FileName); |
| 149 | llvm::sys::path::append(FullPathName, RelativePathName); |
| 150 | return SourceMgr.getFileManager().getFile(FullPathName); |
| 151 | } |
| 152 | |
| 153 | const FileEntry * |
| 154 | ModuleMap::resolveAsBuiltinHeader(Module *M, |
| 155 | Module::UnresolvedHeaderDirective Header, |
| 156 | SmallVectorImpl<char> &BuiltinPathName) { |
| 157 | if (llvm::sys::path::is_absolute(Header.FileName) || M->isPartOfFramework() || |
| 158 | !M->IsSystem || Header.IsUmbrella || !BuiltinIncludeDir || |
| 159 | BuiltinIncludeDir == M->Directory || !isBuiltinHeader(Header.FileName)) |
| 160 | return nullptr; |
| 161 | |
| 162 | // This is a system module with a top-level header. This header |
| 163 | // may have a counterpart (or replacement) in the set of headers |
| 164 | // supplied by Clang. Find that builtin header. |
| 165 | llvm::sys::path::append(BuiltinPathName, BuiltinIncludeDir->getName(), |
| 166 | Header.FileName); |
| 167 | return SourceMgr.getFileManager().getFile( |
| 168 | StringRef(BuiltinPathName.data(), BuiltinPathName.size())); |
| 169 | } |
| 170 | |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 171 | ModuleMap::ModuleMap(SourceManager &SourceMgr, DiagnosticsEngine &Diags, |
Argyrios Kyrtzidis | b146baa | 2013-03-13 21:13:51 +0000 | [diff] [blame] | 172 | const LangOptions &LangOpts, const TargetInfo *Target, |
| 173 | HeaderSearch &HeaderInfo) |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 174 | : SourceMgr(SourceMgr), Diags(Diags), LangOpts(LangOpts), Target(Target), |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 175 | HeaderInfo(HeaderInfo), BuiltinIncludeDir(nullptr), |
Richard Smith | 7e82e01 | 2016-02-19 22:25:36 +0000 | [diff] [blame] | 176 | SourceModule(nullptr), NumCreatedModules(0) { |
Richard Smith | 0414b85 | 2015-02-14 05:32:00 +0000 | [diff] [blame] | 177 | MMapLangOpts.LineComment = true; |
| 178 | } |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 179 | |
| 180 | ModuleMap::~ModuleMap() { |
Davide Italiano | 2166875 | 2016-03-08 23:58:08 +0000 | [diff] [blame] | 181 | for (auto &M : Modules) |
| 182 | delete M.getValue(); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 183 | } |
| 184 | |
Douglas Gregor | 8992928 | 2012-01-30 06:01:29 +0000 | [diff] [blame] | 185 | void ModuleMap::setTarget(const TargetInfo &Target) { |
| 186 | assert((!this->Target || this->Target == &Target) && |
| 187 | "Improper target override"); |
| 188 | this->Target = &Target; |
| 189 | } |
| 190 | |
Douglas Gregor | 056396a | 2012-10-12 21:15:50 +0000 | [diff] [blame] | 191 | /// \brief "Sanitize" a filename so that it can be used as an identifier. |
| 192 | static StringRef sanitizeFilenameAsIdentifier(StringRef Name, |
| 193 | SmallVectorImpl<char> &Buffer) { |
| 194 | if (Name.empty()) |
| 195 | return Name; |
| 196 | |
Jordan Rose | a7d0384 | 2013-02-08 22:30:41 +0000 | [diff] [blame] | 197 | if (!isValidIdentifier(Name)) { |
Douglas Gregor | 056396a | 2012-10-12 21:15:50 +0000 | [diff] [blame] | 198 | // If we don't already have something with the form of an identifier, |
| 199 | // create a buffer with the sanitized name. |
| 200 | Buffer.clear(); |
Jordan Rose | a7d0384 | 2013-02-08 22:30:41 +0000 | [diff] [blame] | 201 | if (isDigit(Name[0])) |
Douglas Gregor | 056396a | 2012-10-12 21:15:50 +0000 | [diff] [blame] | 202 | Buffer.push_back('_'); |
| 203 | Buffer.reserve(Buffer.size() + Name.size()); |
| 204 | for (unsigned I = 0, N = Name.size(); I != N; ++I) { |
Jordan Rose | a7d0384 | 2013-02-08 22:30:41 +0000 | [diff] [blame] | 205 | if (isIdentifierBody(Name[I])) |
Douglas Gregor | 056396a | 2012-10-12 21:15:50 +0000 | [diff] [blame] | 206 | Buffer.push_back(Name[I]); |
| 207 | else |
| 208 | Buffer.push_back('_'); |
| 209 | } |
| 210 | |
| 211 | Name = StringRef(Buffer.data(), Buffer.size()); |
| 212 | } |
| 213 | |
| 214 | while (llvm::StringSwitch<bool>(Name) |
| 215 | #define KEYWORD(Keyword,Conditions) .Case(#Keyword, true) |
| 216 | #define ALIAS(Keyword, AliasOf, Conditions) .Case(Keyword, true) |
| 217 | #include "clang/Basic/TokenKinds.def" |
| 218 | .Default(false)) { |
| 219 | if (Name.data() != Buffer.data()) |
| 220 | Buffer.append(Name.begin(), Name.end()); |
| 221 | Buffer.push_back('_'); |
| 222 | Name = StringRef(Buffer.data(), Buffer.size()); |
| 223 | } |
| 224 | |
| 225 | return Name; |
| 226 | } |
| 227 | |
Douglas Gregor | 34d5274 | 2013-05-02 17:58:30 +0000 | [diff] [blame] | 228 | /// \brief Determine whether the given file name is the name of a builtin |
| 229 | /// header, supplied by Clang to replace, override, or augment existing system |
| 230 | /// headers. |
Bruno Cardoso Lopes | ba1b5c9 | 2017-01-11 02:14:51 +0000 | [diff] [blame] | 231 | bool ModuleMap::isBuiltinHeader(StringRef FileName) { |
Douglas Gregor | 34d5274 | 2013-05-02 17:58:30 +0000 | [diff] [blame] | 232 | return llvm::StringSwitch<bool>(FileName) |
| 233 | .Case("float.h", true) |
| 234 | .Case("iso646.h", true) |
| 235 | .Case("limits.h", true) |
| 236 | .Case("stdalign.h", true) |
| 237 | .Case("stdarg.h", true) |
Ben Langmuir | 3c4b129 | 2016-03-09 23:31:34 +0000 | [diff] [blame] | 238 | .Case("stdatomic.h", true) |
Douglas Gregor | 34d5274 | 2013-05-02 17:58:30 +0000 | [diff] [blame] | 239 | .Case("stdbool.h", true) |
| 240 | .Case("stddef.h", true) |
| 241 | .Case("stdint.h", true) |
| 242 | .Case("tgmath.h", true) |
| 243 | .Case("unwind.h", true) |
| 244 | .Default(false); |
| 245 | } |
| 246 | |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 247 | ModuleMap::HeadersMap::iterator |
| 248 | ModuleMap::findKnownHeader(const FileEntry *File) { |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 249 | HeadersMap::iterator Known = Headers.find(File); |
Richard Smith | 47972af | 2015-06-16 00:08:24 +0000 | [diff] [blame] | 250 | if (HeaderInfo.getHeaderSearchOpts().ImplicitModuleMaps && |
| 251 | Known == Headers.end() && File->getDir() == BuiltinIncludeDir && |
Bruno Cardoso Lopes | ba1b5c9 | 2017-01-11 02:14:51 +0000 | [diff] [blame] | 252 | ModuleMap::isBuiltinHeader(llvm::sys::path::filename(File->getName()))) { |
Daniel Jasper | 4eaf0a6 | 2013-12-11 12:13:00 +0000 | [diff] [blame] | 253 | HeaderInfo.loadTopLevelSystemModules(); |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 254 | return Headers.find(File); |
Daniel Jasper | 4eaf0a6 | 2013-12-11 12:13:00 +0000 | [diff] [blame] | 255 | } |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 256 | return Known; |
| 257 | } |
| 258 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 259 | ModuleMap::KnownHeader |
| 260 | ModuleMap::findHeaderInUmbrellaDirs(const FileEntry *File, |
| 261 | SmallVectorImpl<const DirectoryEntry *> &IntermediateDirs) { |
Richard Smith | 47972af | 2015-06-16 00:08:24 +0000 | [diff] [blame] | 262 | if (UmbrellaDirs.empty()) |
| 263 | return KnownHeader(); |
| 264 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 265 | const DirectoryEntry *Dir = File->getDir(); |
| 266 | assert(Dir && "file in no directory"); |
| 267 | |
| 268 | // Note: as an egregious but useful hack we use the real path here, because |
| 269 | // frameworks moving from top-level frameworks to embedded frameworks tend |
| 270 | // to be symlinked from the top-level location to the embedded location, |
| 271 | // and we need to resolve lookups as if we had found the embedded location. |
| 272 | StringRef DirName = SourceMgr.getFileManager().getCanonicalName(Dir); |
| 273 | |
| 274 | // Keep walking up the directory hierarchy, looking for a directory with |
| 275 | // an umbrella header. |
| 276 | do { |
| 277 | auto KnownDir = UmbrellaDirs.find(Dir); |
| 278 | if (KnownDir != UmbrellaDirs.end()) |
| 279 | return KnownHeader(KnownDir->second, NormalHeader); |
| 280 | |
| 281 | IntermediateDirs.push_back(Dir); |
| 282 | |
| 283 | // Retrieve our parent path. |
| 284 | DirName = llvm::sys::path::parent_path(DirName); |
| 285 | if (DirName.empty()) |
| 286 | break; |
| 287 | |
| 288 | // Resolve the parent path to a directory entry. |
| 289 | Dir = SourceMgr.getFileManager().getDirectory(DirName); |
| 290 | } while (Dir); |
| 291 | return KnownHeader(); |
| 292 | } |
| 293 | |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 294 | static bool violatesPrivateInclude(Module *RequestingModule, |
| 295 | const FileEntry *IncFileEnt, |
Richard Smith | 4eb8393 | 2016-04-27 21:57:05 +0000 | [diff] [blame] | 296 | ModuleMap::KnownHeader Header) { |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 297 | #ifndef NDEBUG |
Richard Smith | 4eb8393 | 2016-04-27 21:57:05 +0000 | [diff] [blame] | 298 | if (Header.getRole() & ModuleMap::PrivateHeader) { |
Richard Smith | 2708e52 | 2015-03-10 00:19:04 +0000 | [diff] [blame] | 299 | // Check for consistency between the module header role |
| 300 | // as obtained from the lookup and as obtained from the module. |
| 301 | // This check is not cheap, so enable it only for debugging. |
| 302 | bool IsPrivate = false; |
| 303 | SmallVectorImpl<Module::Header> *HeaderList[] = { |
Richard Smith | 4eb8393 | 2016-04-27 21:57:05 +0000 | [diff] [blame] | 304 | &Header.getModule()->Headers[Module::HK_Private], |
| 305 | &Header.getModule()->Headers[Module::HK_PrivateTextual]}; |
Richard Smith | 2708e52 | 2015-03-10 00:19:04 +0000 | [diff] [blame] | 306 | for (auto *Hs : HeaderList) |
| 307 | IsPrivate |= |
| 308 | std::find_if(Hs->begin(), Hs->end(), [&](const Module::Header &H) { |
Richard Smith | 00bc95e | 2015-03-09 23:46:50 +0000 | [diff] [blame] | 309 | return H.Entry == IncFileEnt; |
Richard Smith | 2708e52 | 2015-03-10 00:19:04 +0000 | [diff] [blame] | 310 | }) != Hs->end(); |
Richard Smith | 4eb8393 | 2016-04-27 21:57:05 +0000 | [diff] [blame] | 311 | assert(IsPrivate && "inconsistent headers and roles"); |
Richard Smith | 2708e52 | 2015-03-10 00:19:04 +0000 | [diff] [blame] | 312 | } |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 313 | #endif |
Richard Smith | 4eb8393 | 2016-04-27 21:57:05 +0000 | [diff] [blame] | 314 | return !Header.isAccessibleFrom(RequestingModule); |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 315 | } |
| 316 | |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 317 | static Module *getTopLevelOrNull(Module *M) { |
| 318 | return M ? M->getTopLevelModule() : nullptr; |
| 319 | } |
| 320 | |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 321 | void ModuleMap::diagnoseHeaderInclusion(Module *RequestingModule, |
Richard Smith | 8d4e90b | 2016-03-14 17:52:37 +0000 | [diff] [blame] | 322 | bool RequestingModuleIsModuleInterface, |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 323 | SourceLocation FilenameLoc, |
| 324 | StringRef Filename, |
| 325 | const FileEntry *File) { |
| 326 | // No errors for indirect modules. This may be a bit of a problem for modules |
| 327 | // with no source files. |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 328 | if (getTopLevelOrNull(RequestingModule) != getTopLevelOrNull(SourceModule)) |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 329 | return; |
| 330 | |
| 331 | if (RequestingModule) |
| 332 | resolveUses(RequestingModule, /*Complain=*/false); |
| 333 | |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 334 | bool Excluded = false; |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 335 | Module *Private = nullptr; |
| 336 | Module *NotUsed = nullptr; |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 337 | |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 338 | HeadersMap::iterator Known = findKnownHeader(File); |
| 339 | if (Known != Headers.end()) { |
| 340 | for (const KnownHeader &Header : Known->second) { |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 341 | // Remember private headers for later printing of a diagnostic. |
Richard Smith | 4eb8393 | 2016-04-27 21:57:05 +0000 | [diff] [blame] | 342 | if (violatesPrivateInclude(RequestingModule, File, Header)) { |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 343 | Private = Header.getModule(); |
| 344 | continue; |
| 345 | } |
| 346 | |
| 347 | // If uses need to be specified explicitly, we are only allowed to return |
| 348 | // modules that are explicitly used by the requesting module. |
| 349 | if (RequestingModule && LangOpts.ModulesDeclUse && |
Richard Smith | 8f4d3ff | 2015-03-26 22:10:01 +0000 | [diff] [blame] | 350 | !RequestingModule->directlyUses(Header.getModule())) { |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 351 | NotUsed = Header.getModule(); |
| 352 | continue; |
| 353 | } |
| 354 | |
| 355 | // We have found a module that we can happily use. |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 356 | return; |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 357 | } |
Richard Smith | feb54b6 | 2014-10-23 02:01:19 +0000 | [diff] [blame] | 358 | |
| 359 | Excluded = true; |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | // We have found a header, but it is private. |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 363 | if (Private) { |
Richard Smith | 11152dd | 2015-02-19 00:10:28 +0000 | [diff] [blame] | 364 | Diags.Report(FilenameLoc, diag::warn_use_of_private_header_outside_module) |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 365 | << Filename; |
| 366 | return; |
| 367 | } |
| 368 | |
| 369 | // We have found a module, but we don't use it. |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 370 | if (NotUsed) { |
Richard Smith | 11152dd | 2015-02-19 00:10:28 +0000 | [diff] [blame] | 371 | Diags.Report(FilenameLoc, diag::err_undeclared_use_of_module) |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 372 | << RequestingModule->getFullModuleName() << Filename; |
| 373 | return; |
| 374 | } |
| 375 | |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 376 | if (Excluded || isHeaderInUmbrellaDirs(File)) |
| 377 | return; |
| 378 | |
| 379 | // At this point, only non-modular includes remain. |
| 380 | |
| 381 | if (LangOpts.ModulesStrictDeclUse) { |
Richard Smith | 11152dd | 2015-02-19 00:10:28 +0000 | [diff] [blame] | 382 | Diags.Report(FilenameLoc, diag::err_undeclared_use_of_module) |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 383 | << RequestingModule->getFullModuleName() << Filename; |
Manman Ren | a67e4d3 | 2016-08-26 17:16:46 +0000 | [diff] [blame] | 384 | } else if (RequestingModule && RequestingModuleIsModuleInterface && |
| 385 | LangOpts.isCompilingModule()) { |
| 386 | // Do not diagnose when we are not compiling a module. |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 387 | diag::kind DiagID = RequestingModule->getTopLevelModule()->IsFramework ? |
| 388 | diag::warn_non_modular_include_in_framework_module : |
| 389 | diag::warn_non_modular_include_in_module; |
Manman Ren | 70a7738 | 2016-10-21 23:27:37 +0000 | [diff] [blame] | 390 | Diags.Report(FilenameLoc, DiagID) << RequestingModule->getFullModuleName() |
| 391 | << File->getName(); |
Ben Langmuir | 71e1a64 | 2014-05-05 21:44:13 +0000 | [diff] [blame] | 392 | } |
Daniel Jasper | 92669ee | 2013-12-20 12:09:36 +0000 | [diff] [blame] | 393 | } |
| 394 | |
Richard Smith | ec87a50 | 2015-02-13 23:50:20 +0000 | [diff] [blame] | 395 | static bool isBetterKnownHeader(const ModuleMap::KnownHeader &New, |
| 396 | const ModuleMap::KnownHeader &Old) { |
Sean Silva | 8b7c039 | 2015-08-17 16:39:30 +0000 | [diff] [blame] | 397 | // Prefer available modules. |
| 398 | if (New.getModule()->isAvailable() && !Old.getModule()->isAvailable()) |
| 399 | return true; |
| 400 | |
Richard Smith | ec87a50 | 2015-02-13 23:50:20 +0000 | [diff] [blame] | 401 | // Prefer a public header over a private header. |
| 402 | if ((New.getRole() & ModuleMap::PrivateHeader) != |
| 403 | (Old.getRole() & ModuleMap::PrivateHeader)) |
| 404 | return !(New.getRole() & ModuleMap::PrivateHeader); |
| 405 | |
| 406 | // Prefer a non-textual header over a textual header. |
| 407 | if ((New.getRole() & ModuleMap::TextualHeader) != |
| 408 | (Old.getRole() & ModuleMap::TextualHeader)) |
| 409 | return !(New.getRole() & ModuleMap::TextualHeader); |
| 410 | |
| 411 | // Don't have a reason to choose between these. Just keep the first one. |
| 412 | return false; |
| 413 | } |
| 414 | |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 415 | ModuleMap::KnownHeader ModuleMap::findModuleForHeader(const FileEntry *File, |
| 416 | bool AllowTextual) { |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 417 | auto MakeResult = [&](ModuleMap::KnownHeader R) -> ModuleMap::KnownHeader { |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 418 | if (!AllowTextual && R.getRole() & ModuleMap::TextualHeader) |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 419 | return ModuleMap::KnownHeader(); |
| 420 | return R; |
| 421 | }; |
| 422 | |
Sean Silva | 4881e8b | 2015-06-10 01:37:59 +0000 | [diff] [blame] | 423 | HeadersMap::iterator Known = findKnownHeader(File); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 424 | if (Known != Headers.end()) { |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 425 | ModuleMap::KnownHeader Result; |
Daniel Jasper | 97da917 | 2013-10-22 08:09:47 +0000 | [diff] [blame] | 426 | // Iterate over all modules that 'File' is part of to find the best fit. |
Sean Silva | 4881e8b | 2015-06-10 01:37:59 +0000 | [diff] [blame] | 427 | for (KnownHeader &H : Known->second) { |
Richard Smith | 7e82e01 | 2016-02-19 22:25:36 +0000 | [diff] [blame] | 428 | // Prefer a header from the source module over all others. |
| 429 | if (H.getModule()->getTopLevelModule() == SourceModule) |
Richard Smith | 2f633e7 | 2015-06-22 22:20:47 +0000 | [diff] [blame] | 430 | return MakeResult(H); |
Sean Silva | 4881e8b | 2015-06-10 01:37:59 +0000 | [diff] [blame] | 431 | if (!Result || isBetterKnownHeader(H, Result)) |
| 432 | Result = H; |
Daniel Jasper | 97da917 | 2013-10-22 08:09:47 +0000 | [diff] [blame] | 433 | } |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 434 | return MakeResult(Result); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 435 | } |
Douglas Gregor | 34d5274 | 2013-05-02 17:58:30 +0000 | [diff] [blame] | 436 | |
Richard Smith | 386bb07 | 2015-08-18 23:42:23 +0000 | [diff] [blame] | 437 | return MakeResult(findOrCreateModuleForHeaderInUmbrellaDir(File)); |
| 438 | } |
| 439 | |
| 440 | ModuleMap::KnownHeader |
| 441 | ModuleMap::findOrCreateModuleForHeaderInUmbrellaDir(const FileEntry *File) { |
| 442 | assert(!Headers.count(File) && "already have a module for this header"); |
| 443 | |
Dmitri Gribenko | f857950 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 444 | SmallVector<const DirectoryEntry *, 2> SkippedDirs; |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 445 | KnownHeader H = findHeaderInUmbrellaDirs(File, SkippedDirs); |
| 446 | if (H) { |
| 447 | Module *Result = H.getModule(); |
Douglas Gregor | e00c8b2 | 2013-01-26 00:55:12 +0000 | [diff] [blame] | 448 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 449 | // Search up the module stack until we find a module with an umbrella |
| 450 | // directory. |
| 451 | Module *UmbrellaModule = Result; |
| 452 | while (!UmbrellaModule->getUmbrellaDir() && UmbrellaModule->Parent) |
| 453 | UmbrellaModule = UmbrellaModule->Parent; |
Douglas Gregor | a89c5ac | 2011-12-06 01:10:29 +0000 | [diff] [blame] | 454 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 455 | if (UmbrellaModule->InferSubmodules) { |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 456 | const FileEntry *UmbrellaModuleMap = |
| 457 | getModuleMapFileForUniquing(UmbrellaModule); |
| 458 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 459 | // Infer submodules for each of the directories we found between |
| 460 | // the directory of the umbrella header and the directory where |
| 461 | // the actual header is located. |
| 462 | bool Explicit = UmbrellaModule->InferExplicitSubmodules; |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 463 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 464 | for (unsigned I = SkippedDirs.size(); I != 0; --I) { |
| 465 | // Find or create the module that corresponds to this directory name. |
Douglas Gregor | 056396a | 2012-10-12 21:15:50 +0000 | [diff] [blame] | 466 | SmallString<32> NameBuf; |
| 467 | StringRef Name = sanitizeFilenameAsIdentifier( |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 468 | llvm::sys::path::stem(SkippedDirs[I-1]->getName()), NameBuf); |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 469 | Result = findOrCreateModule(Name, Result, /*IsFramework=*/false, |
| 470 | Explicit).first; |
| 471 | InferredModuleAllowedBy[Result] = UmbrellaModuleMap; |
Ben Langmuir | ffbafa2 | 2014-04-23 21:10:46 +0000 | [diff] [blame] | 472 | Result->IsInferred = true; |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 473 | |
| 474 | // Associate the module and the directory. |
| 475 | UmbrellaDirs[SkippedDirs[I-1]] = Result; |
| 476 | |
| 477 | // If inferred submodules export everything they import, add a |
Douglas Gregor | a89c5ac | 2011-12-06 01:10:29 +0000 | [diff] [blame] | 478 | // wildcard to the set of exports. |
Douglas Gregor | 930a85c | 2011-12-06 16:17:15 +0000 | [diff] [blame] | 479 | if (UmbrellaModule->InferExportWildcard && Result->Exports.empty()) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 480 | Result->Exports.push_back(Module::ExportDecl(nullptr, true)); |
Douglas Gregor | a89c5ac | 2011-12-06 01:10:29 +0000 | [diff] [blame] | 481 | } |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 482 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 483 | // Infer a submodule with the same name as this header file. |
| 484 | SmallString<32> NameBuf; |
| 485 | StringRef Name = sanitizeFilenameAsIdentifier( |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 486 | llvm::sys::path::stem(File->getName()), NameBuf); |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 487 | Result = findOrCreateModule(Name, Result, /*IsFramework=*/false, |
| 488 | Explicit).first; |
| 489 | InferredModuleAllowedBy[Result] = UmbrellaModuleMap; |
Ben Langmuir | ffbafa2 | 2014-04-23 21:10:46 +0000 | [diff] [blame] | 490 | Result->IsInferred = true; |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 491 | Result->addTopHeader(File); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 492 | |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 493 | // If inferred submodules export everything they import, add a |
| 494 | // wildcard to the set of exports. |
| 495 | if (UmbrellaModule->InferExportWildcard && Result->Exports.empty()) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 496 | Result->Exports.push_back(Module::ExportDecl(nullptr, true)); |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 497 | } else { |
| 498 | // Record each of the directories we stepped through as being part of |
| 499 | // the module we found, since the umbrella header covers them all. |
| 500 | for (unsigned I = 0, N = SkippedDirs.size(); I != N; ++I) |
| 501 | UmbrellaDirs[SkippedDirs[I]] = Result; |
Douglas Gregor | a89c5ac | 2011-12-06 01:10:29 +0000 | [diff] [blame] | 502 | } |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 503 | |
Richard Smith | 386bb07 | 2015-08-18 23:42:23 +0000 | [diff] [blame] | 504 | KnownHeader Header(Result, NormalHeader); |
| 505 | Headers[File].push_back(Header); |
| 506 | return Header; |
Ben Langmuir | 4469138 | 2014-04-10 00:39:10 +0000 | [diff] [blame] | 507 | } |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 508 | |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 509 | return KnownHeader(); |
Douglas Gregor | ab0c8a8 | 2011-11-11 22:18:48 +0000 | [diff] [blame] | 510 | } |
| 511 | |
Richard Smith | 386bb07 | 2015-08-18 23:42:23 +0000 | [diff] [blame] | 512 | ArrayRef<ModuleMap::KnownHeader> |
| 513 | ModuleMap::findAllModulesForHeader(const FileEntry *File) const { |
| 514 | auto It = Headers.find(File); |
| 515 | if (It == Headers.end()) |
| 516 | return None; |
| 517 | return It->second; |
| 518 | } |
| 519 | |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 520 | bool ModuleMap::isHeaderInUnavailableModule(const FileEntry *Header) const { |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 521 | return isHeaderUnavailableInModule(Header, nullptr); |
Richard Smith | 50996ce | 2014-04-08 13:13:04 +0000 | [diff] [blame] | 522 | } |
| 523 | |
Dmitri Gribenko | 62bcd92 | 2014-04-18 14:36:51 +0000 | [diff] [blame] | 524 | bool |
| 525 | ModuleMap::isHeaderUnavailableInModule(const FileEntry *Header, |
| 526 | const Module *RequestingModule) const { |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 527 | HeadersMap::const_iterator Known = Headers.find(Header); |
Daniel Jasper | 97da917 | 2013-10-22 08:09:47 +0000 | [diff] [blame] | 528 | if (Known != Headers.end()) { |
| 529 | for (SmallVectorImpl<KnownHeader>::const_iterator |
| 530 | I = Known->second.begin(), |
| 531 | E = Known->second.end(); |
| 532 | I != E; ++I) { |
Bruno Cardoso Lopes | 052d95a | 2017-01-12 19:15:33 +0000 | [diff] [blame] | 533 | |
| 534 | if (I->isAvailable() && |
| 535 | (!RequestingModule || |
| 536 | I->getModule()->isSubModuleOf(RequestingModule))) { |
| 537 | // When no requesting module is available, the caller is looking if a |
| 538 | // header is part a module by only looking into the module map. This is |
| 539 | // done by warn_uncovered_module_header checks; don't consider textual |
| 540 | // headers part of it in this mode, otherwise we get misleading warnings |
| 541 | // that a umbrella header is not including a textual header. |
| 542 | if (!RequestingModule && I->getRole() == ModuleMap::TextualHeader) |
| 543 | continue; |
Daniel Jasper | 97da917 | 2013-10-22 08:09:47 +0000 | [diff] [blame] | 544 | return false; |
Bruno Cardoso Lopes | 052d95a | 2017-01-12 19:15:33 +0000 | [diff] [blame] | 545 | } |
Daniel Jasper | 97da917 | 2013-10-22 08:09:47 +0000 | [diff] [blame] | 546 | } |
| 547 | return true; |
| 548 | } |
Richard Smith | 50996ce | 2014-04-08 13:13:04 +0000 | [diff] [blame] | 549 | |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 550 | const DirectoryEntry *Dir = Header->getDir(); |
Dmitri Gribenko | f857950 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 551 | SmallVector<const DirectoryEntry *, 2> SkippedDirs; |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 552 | StringRef DirName = Dir->getName(); |
| 553 | |
Richard Smith | 50996ce | 2014-04-08 13:13:04 +0000 | [diff] [blame] | 554 | auto IsUnavailable = [&](const Module *M) { |
| 555 | return !M->isAvailable() && (!RequestingModule || |
| 556 | M->isSubModuleOf(RequestingModule)); |
| 557 | }; |
| 558 | |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 559 | // Keep walking up the directory hierarchy, looking for a directory with |
| 560 | // an umbrella header. |
Richard Smith | 50996ce | 2014-04-08 13:13:04 +0000 | [diff] [blame] | 561 | do { |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 562 | llvm::DenseMap<const DirectoryEntry *, Module *>::const_iterator KnownDir |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 563 | = UmbrellaDirs.find(Dir); |
| 564 | if (KnownDir != UmbrellaDirs.end()) { |
| 565 | Module *Found = KnownDir->second; |
Richard Smith | 50996ce | 2014-04-08 13:13:04 +0000 | [diff] [blame] | 566 | if (IsUnavailable(Found)) |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 567 | return true; |
| 568 | |
| 569 | // Search up the module stack until we find a module with an umbrella |
| 570 | // directory. |
| 571 | Module *UmbrellaModule = Found; |
| 572 | while (!UmbrellaModule->getUmbrellaDir() && UmbrellaModule->Parent) |
| 573 | UmbrellaModule = UmbrellaModule->Parent; |
| 574 | |
| 575 | if (UmbrellaModule->InferSubmodules) { |
| 576 | for (unsigned I = SkippedDirs.size(); I != 0; --I) { |
| 577 | // Find or create the module that corresponds to this directory name. |
Douglas Gregor | 056396a | 2012-10-12 21:15:50 +0000 | [diff] [blame] | 578 | SmallString<32> NameBuf; |
| 579 | StringRef Name = sanitizeFilenameAsIdentifier( |
| 580 | llvm::sys::path::stem(SkippedDirs[I-1]->getName()), |
| 581 | NameBuf); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 582 | Found = lookupModuleQualified(Name, Found); |
| 583 | if (!Found) |
| 584 | return false; |
Richard Smith | 50996ce | 2014-04-08 13:13:04 +0000 | [diff] [blame] | 585 | if (IsUnavailable(Found)) |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 586 | return true; |
| 587 | } |
| 588 | |
| 589 | // Infer a submodule with the same name as this header file. |
Douglas Gregor | 056396a | 2012-10-12 21:15:50 +0000 | [diff] [blame] | 590 | SmallString<32> NameBuf; |
| 591 | StringRef Name = sanitizeFilenameAsIdentifier( |
| 592 | llvm::sys::path::stem(Header->getName()), |
| 593 | NameBuf); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 594 | Found = lookupModuleQualified(Name, Found); |
| 595 | if (!Found) |
| 596 | return false; |
| 597 | } |
| 598 | |
Richard Smith | 50996ce | 2014-04-08 13:13:04 +0000 | [diff] [blame] | 599 | return IsUnavailable(Found); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | SkippedDirs.push_back(Dir); |
| 603 | |
| 604 | // Retrieve our parent path. |
| 605 | DirName = llvm::sys::path::parent_path(DirName); |
| 606 | if (DirName.empty()) |
| 607 | break; |
| 608 | |
| 609 | // Resolve the parent path to a directory entry. |
Manuel Klimek | 1f76c4e | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 610 | Dir = SourceMgr.getFileManager().getDirectory(DirName); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 611 | } while (Dir); |
| 612 | |
| 613 | return false; |
| 614 | } |
| 615 | |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 616 | Module *ModuleMap::findModule(StringRef Name) const { |
| 617 | llvm::StringMap<Module *>::const_iterator Known = Modules.find(Name); |
Douglas Gregor | 88bdfb0 | 2011-11-11 23:20:24 +0000 | [diff] [blame] | 618 | if (Known != Modules.end()) |
| 619 | return Known->getValue(); |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 620 | |
| 621 | return nullptr; |
Douglas Gregor | 88bdfb0 | 2011-11-11 23:20:24 +0000 | [diff] [blame] | 622 | } |
| 623 | |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 624 | Module *ModuleMap::lookupModuleUnqualified(StringRef Name, |
| 625 | Module *Context) const { |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 626 | for(; Context; Context = Context->Parent) { |
| 627 | if (Module *Sub = lookupModuleQualified(Name, Context)) |
| 628 | return Sub; |
| 629 | } |
| 630 | |
| 631 | return findModule(Name); |
| 632 | } |
| 633 | |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 634 | Module *ModuleMap::lookupModuleQualified(StringRef Name, Module *Context) const{ |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 635 | if (!Context) |
| 636 | return findModule(Name); |
| 637 | |
Douglas Gregor | eb90e83 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 638 | return Context->findSubmodule(Name); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 639 | } |
| 640 | |
David Blaikie | 9ffe5a3 | 2017-01-30 05:00:26 +0000 | [diff] [blame] | 641 | std::pair<Module *, bool> ModuleMap::findOrCreateModule(StringRef Name, |
| 642 | Module *Parent, |
| 643 | bool IsFramework, |
| 644 | bool IsExplicit) { |
Douglas Gregor | 6902197 | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 645 | // Try to find an existing module with this name. |
Douglas Gregor | eb90e83 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 646 | if (Module *Sub = lookupModuleQualified(Name, Parent)) |
| 647 | return std::make_pair(Sub, false); |
Douglas Gregor | 6902197 | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 648 | |
| 649 | // Create a new module with this name. |
David Blaikie | 9ffe5a3 | 2017-01-30 05:00:26 +0000 | [diff] [blame] | 650 | Module *Result = new Module(Name, SourceLocation(), Parent, IsFramework, |
| 651 | IsExplicit, NumCreatedModules++); |
Argyrios Kyrtzidis | 6f722b4 | 2013-05-08 23:46:46 +0000 | [diff] [blame] | 652 | if (!Parent) { |
Richard Smith | 7e82e01 | 2016-02-19 22:25:36 +0000 | [diff] [blame] | 653 | if (LangOpts.CurrentModule == Name) |
| 654 | SourceModule = Result; |
Douglas Gregor | 6902197 | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 655 | Modules[Name] = Result; |
Argyrios Kyrtzidis | 6f722b4 | 2013-05-08 23:46:46 +0000 | [diff] [blame] | 656 | } |
Douglas Gregor | 6902197 | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 657 | return std::make_pair(Result, true); |
| 658 | } |
| 659 | |
Richard Smith | bbcc9f0 | 2016-08-26 00:14:38 +0000 | [diff] [blame] | 660 | Module *ModuleMap::createModuleForInterfaceUnit(SourceLocation Loc, |
| 661 | StringRef Name) { |
| 662 | assert(LangOpts.CurrentModule == Name && "module name mismatch"); |
| 663 | assert(!Modules[Name] && "redefining existing module"); |
| 664 | |
| 665 | auto *Result = |
| 666 | new Module(Name, Loc, nullptr, /*IsFramework*/ false, |
| 667 | /*IsExplicit*/ false, NumCreatedModules++); |
Richard Smith | 145e15a | 2017-04-24 23:12:30 +0000 | [diff] [blame] | 668 | Result->Kind = Module::ModuleInterfaceUnit; |
Richard Smith | bbcc9f0 | 2016-08-26 00:14:38 +0000 | [diff] [blame] | 669 | Modules[Name] = SourceModule = Result; |
| 670 | |
| 671 | // Mark the main source file as being within the newly-created module so that |
| 672 | // declarations and macros are properly visibility-restricted to it. |
| 673 | auto *MainFile = SourceMgr.getFileEntryForID(SourceMgr.getMainFileID()); |
| 674 | assert(MainFile && "no input file for module interface"); |
| 675 | Headers[MainFile].push_back(KnownHeader(Result, PrivateHeader)); |
| 676 | |
| 677 | return Result; |
| 678 | } |
| 679 | |
Douglas Gregor | 11dfe6f | 2013-01-14 17:57:51 +0000 | [diff] [blame] | 680 | /// \brief For a framework module, infer the framework against which we |
| 681 | /// should link. |
| 682 | static void inferFrameworkLink(Module *Mod, const DirectoryEntry *FrameworkDir, |
| 683 | FileManager &FileMgr) { |
| 684 | assert(Mod->IsFramework && "Can only infer linking for framework modules"); |
| 685 | assert(!Mod->isSubFramework() && |
| 686 | "Can only infer linking for top-level frameworks"); |
| 687 | |
| 688 | SmallString<128> LibName; |
| 689 | LibName += FrameworkDir->getName(); |
| 690 | llvm::sys::path::append(LibName, Mod->Name); |
Juergen Ributzka | 8aaae5a | 2015-11-13 19:08:07 +0000 | [diff] [blame] | 691 | |
| 692 | // The library name of a framework has more than one possible extension since |
| 693 | // the introduction of the text-based dynamic library format. We need to check |
| 694 | // for both before we give up. |
Benjamin Kramer | 8013e81 | 2016-11-15 18:56:39 +0000 | [diff] [blame] | 695 | for (const char *extension : {"", ".tbd"}) { |
Juergen Ributzka | 8aaae5a | 2015-11-13 19:08:07 +0000 | [diff] [blame] | 696 | llvm::sys::path::replace_extension(LibName, extension); |
| 697 | if (FileMgr.getFile(LibName)) { |
| 698 | Mod->LinkLibraries.push_back(Module::LinkLibrary(Mod->Name, |
| 699 | /*IsFramework=*/true)); |
| 700 | return; |
| 701 | } |
Douglas Gregor | 11dfe6f | 2013-01-14 17:57:51 +0000 | [diff] [blame] | 702 | } |
| 703 | } |
| 704 | |
Ben Langmuir | a525400 | 2015-07-02 13:19:48 +0000 | [diff] [blame] | 705 | Module *ModuleMap::inferFrameworkModule(const DirectoryEntry *FrameworkDir, |
| 706 | bool IsSystem, Module *Parent) { |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 707 | Attributes Attrs; |
| 708 | Attrs.IsSystem = IsSystem; |
Ben Langmuir | a525400 | 2015-07-02 13:19:48 +0000 | [diff] [blame] | 709 | return inferFrameworkModule(FrameworkDir, Attrs, Parent); |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 710 | } |
| 711 | |
Ben Langmuir | a525400 | 2015-07-02 13:19:48 +0000 | [diff] [blame] | 712 | Module *ModuleMap::inferFrameworkModule(const DirectoryEntry *FrameworkDir, |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 713 | Attributes Attrs, Module *Parent) { |
Ben Langmuir | a525400 | 2015-07-02 13:19:48 +0000 | [diff] [blame] | 714 | // Note: as an egregious but useful hack we use the real path here, because |
| 715 | // we might be looking at an embedded framework that symlinks out to a |
| 716 | // top-level framework, and we need to infer as if we were naming the |
| 717 | // top-level framework. |
| 718 | StringRef FrameworkDirName = |
| 719 | SourceMgr.getFileManager().getCanonicalName(FrameworkDir); |
| 720 | |
| 721 | // In case this is a case-insensitive filesystem, use the canonical |
| 722 | // directory name as the ModuleName, since modules are case-sensitive. |
| 723 | // FIXME: we should be able to give a fix-it hint for the correct spelling. |
| 724 | SmallString<32> ModuleNameStorage; |
| 725 | StringRef ModuleName = sanitizeFilenameAsIdentifier( |
| 726 | llvm::sys::path::stem(FrameworkDirName), ModuleNameStorage); |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 727 | |
Douglas Gregor | 56c6401 | 2011-11-17 01:41:17 +0000 | [diff] [blame] | 728 | // Check whether we've already found this module. |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 729 | if (Module *Mod = lookupModuleQualified(ModuleName, Parent)) |
| 730 | return Mod; |
| 731 | |
Manuel Klimek | 1f76c4e | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 732 | FileManager &FileMgr = SourceMgr.getFileManager(); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 733 | |
| 734 | // If the framework has a parent path from which we're allowed to infer |
| 735 | // a framework module, do so. |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 736 | const FileEntry *ModuleMapFile = nullptr; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 737 | if (!Parent) { |
Douglas Gregor | 4ddf222 | 2013-01-10 01:43:00 +0000 | [diff] [blame] | 738 | // Determine whether we're allowed to infer a module map. |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 739 | bool canInfer = false; |
Douglas Gregor | 4ddf222 | 2013-01-10 01:43:00 +0000 | [diff] [blame] | 740 | if (llvm::sys::path::has_parent_path(FrameworkDirName)) { |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 741 | // Figure out the parent path. |
Douglas Gregor | 4ddf222 | 2013-01-10 01:43:00 +0000 | [diff] [blame] | 742 | StringRef Parent = llvm::sys::path::parent_path(FrameworkDirName); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 743 | if (const DirectoryEntry *ParentDir = FileMgr.getDirectory(Parent)) { |
| 744 | // Check whether we have already looked into the parent directory |
| 745 | // for a module map. |
Argyrios Kyrtzidis | e441264 | 2013-02-19 19:58:45 +0000 | [diff] [blame] | 746 | llvm::DenseMap<const DirectoryEntry *, InferredDirectory>::const_iterator |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 747 | inferred = InferredDirectories.find(ParentDir); |
| 748 | if (inferred == InferredDirectories.end()) { |
| 749 | // We haven't looked here before. Load a module map, if there is |
| 750 | // one. |
Ben Langmuir | 984e1df | 2014-03-19 20:23:34 +0000 | [diff] [blame] | 751 | bool IsFrameworkDir = Parent.endswith(".framework"); |
| 752 | if (const FileEntry *ModMapFile = |
| 753 | HeaderInfo.lookupModuleMapFile(ParentDir, IsFrameworkDir)) { |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 754 | parseModuleMapFile(ModMapFile, Attrs.IsSystem, ParentDir); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 755 | inferred = InferredDirectories.find(ParentDir); |
| 756 | } |
| 757 | |
| 758 | if (inferred == InferredDirectories.end()) |
| 759 | inferred = InferredDirectories.insert( |
| 760 | std::make_pair(ParentDir, InferredDirectory())).first; |
| 761 | } |
| 762 | |
| 763 | if (inferred->second.InferModules) { |
| 764 | // We're allowed to infer for this directory, but make sure it's okay |
| 765 | // to infer this particular module. |
Douglas Gregor | 4ddf222 | 2013-01-10 01:43:00 +0000 | [diff] [blame] | 766 | StringRef Name = llvm::sys::path::stem(FrameworkDirName); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 767 | canInfer = std::find(inferred->second.ExcludedModules.begin(), |
| 768 | inferred->second.ExcludedModules.end(), |
| 769 | Name) == inferred->second.ExcludedModules.end(); |
| 770 | |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 771 | Attrs.IsSystem |= inferred->second.Attrs.IsSystem; |
| 772 | Attrs.IsExternC |= inferred->second.Attrs.IsExternC; |
| 773 | Attrs.IsExhaustive |= inferred->second.Attrs.IsExhaustive; |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 774 | Attrs.NoUndeclaredIncludes |= |
| 775 | inferred->second.Attrs.NoUndeclaredIncludes; |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 776 | ModuleMapFile = inferred->second.ModuleMapFile; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 777 | } |
| 778 | } |
| 779 | } |
| 780 | |
| 781 | // If we're not allowed to infer a framework module, don't. |
| 782 | if (!canInfer) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 783 | return nullptr; |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 784 | } else |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 785 | ModuleMapFile = getModuleMapFileForUniquing(Parent); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 786 | |
| 787 | |
Douglas Gregor | 56c6401 | 2011-11-17 01:41:17 +0000 | [diff] [blame] | 788 | // Look for an umbrella header. |
Dylan Noblesmith | 2c1dd27 | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 789 | SmallString<128> UmbrellaName = StringRef(FrameworkDir->getName()); |
Benjamin Kramer | 17381a0 | 2013-06-28 16:25:46 +0000 | [diff] [blame] | 790 | llvm::sys::path::append(UmbrellaName, "Headers", ModuleName + ".h"); |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 791 | const FileEntry *UmbrellaHeader = FileMgr.getFile(UmbrellaName); |
Douglas Gregor | 56c6401 | 2011-11-17 01:41:17 +0000 | [diff] [blame] | 792 | |
| 793 | // FIXME: If there's no umbrella header, we could probably scan the |
| 794 | // framework to load *everything*. But, it's not clear that this is a good |
| 795 | // idea. |
| 796 | if (!UmbrellaHeader) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 797 | return nullptr; |
| 798 | |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 799 | Module *Result = new Module(ModuleName, SourceLocation(), Parent, |
Richard Smith | a7e2cc6 | 2015-05-01 01:53:09 +0000 | [diff] [blame] | 800 | /*IsFramework=*/true, /*IsExplicit=*/false, |
| 801 | NumCreatedModules++); |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 802 | InferredModuleAllowedBy[Result] = ModuleMapFile; |
| 803 | Result->IsInferred = true; |
Richard Smith | 7e82e01 | 2016-02-19 22:25:36 +0000 | [diff] [blame] | 804 | if (!Parent) { |
| 805 | if (LangOpts.CurrentModule == ModuleName) |
| 806 | SourceModule = Result; |
| 807 | Modules[ModuleName] = Result; |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 808 | } |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 809 | |
| 810 | Result->IsSystem |= Attrs.IsSystem; |
| 811 | Result->IsExternC |= Attrs.IsExternC; |
| 812 | Result->ConfigMacrosExhaustive |= Attrs.IsExhaustive; |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 813 | Result->NoUndeclaredIncludes |= Attrs.NoUndeclaredIncludes; |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 814 | Result->Directory = FrameworkDir; |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 815 | |
Douglas Gregor | 322f633 | 2011-12-08 18:00:48 +0000 | [diff] [blame] | 816 | // umbrella header "umbrella-header-name" |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 817 | // |
| 818 | // The "Headers/" component of the name is implied because this is |
| 819 | // a framework module. |
| 820 | setUmbrellaHeader(Result, UmbrellaHeader, ModuleName + ".h"); |
Douglas Gregor | d8bd753 | 2011-12-05 17:40:25 +0000 | [diff] [blame] | 821 | |
| 822 | // export * |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 823 | Result->Exports.push_back(Module::ExportDecl(nullptr, true)); |
| 824 | |
Douglas Gregor | a89c5ac | 2011-12-06 01:10:29 +0000 | [diff] [blame] | 825 | // module * { export * } |
| 826 | Result->InferSubmodules = true; |
| 827 | Result->InferExportWildcard = true; |
| 828 | |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 829 | // Look for subframeworks. |
Rafael Espindola | c080917 | 2014-06-12 14:02:15 +0000 | [diff] [blame] | 830 | std::error_code EC; |
Dylan Noblesmith | 2c1dd27 | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 831 | SmallString<128> SubframeworksDirName |
Douglas Gregor | ddaa69c | 2011-12-08 16:13:24 +0000 | [diff] [blame] | 832 | = StringRef(FrameworkDir->getName()); |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 833 | llvm::sys::path::append(SubframeworksDirName, "Frameworks"); |
Benjamin Kramer | 2d4d8cb | 2013-09-11 11:23:15 +0000 | [diff] [blame] | 834 | llvm::sys::path::native(SubframeworksDirName); |
Bruno Cardoso Lopes | b171a59 | 2016-05-16 16:46:01 +0000 | [diff] [blame] | 835 | vfs::FileSystem &FS = *FileMgr.getVirtualFileSystem(); |
| 836 | for (vfs::directory_iterator Dir = FS.dir_begin(SubframeworksDirName, EC), |
| 837 | DirEnd; |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 838 | Dir != DirEnd && !EC; Dir.increment(EC)) { |
Bruno Cardoso Lopes | b171a59 | 2016-05-16 16:46:01 +0000 | [diff] [blame] | 839 | if (!StringRef(Dir->getName()).endswith(".framework")) |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 840 | continue; |
Douglas Gregor | 07c22b7 | 2012-09-27 14:50:15 +0000 | [diff] [blame] | 841 | |
Bruno Cardoso Lopes | b171a59 | 2016-05-16 16:46:01 +0000 | [diff] [blame] | 842 | if (const DirectoryEntry *SubframeworkDir = |
| 843 | FileMgr.getDirectory(Dir->getName())) { |
Douglas Gregor | 07c22b7 | 2012-09-27 14:50:15 +0000 | [diff] [blame] | 844 | // Note: as an egregious but useful hack, we use the real path here and |
| 845 | // check whether it is actually a subdirectory of the parent directory. |
| 846 | // This will not be the case if the 'subframework' is actually a symlink |
| 847 | // out to a top-level framework. |
Douglas Gregor | e00c8b2 | 2013-01-26 00:55:12 +0000 | [diff] [blame] | 848 | StringRef SubframeworkDirName = FileMgr.getCanonicalName(SubframeworkDir); |
| 849 | bool FoundParent = false; |
| 850 | do { |
| 851 | // Get the parent directory name. |
| 852 | SubframeworkDirName |
| 853 | = llvm::sys::path::parent_path(SubframeworkDirName); |
| 854 | if (SubframeworkDirName.empty()) |
| 855 | break; |
Douglas Gregor | 07c22b7 | 2012-09-27 14:50:15 +0000 | [diff] [blame] | 856 | |
Douglas Gregor | e00c8b2 | 2013-01-26 00:55:12 +0000 | [diff] [blame] | 857 | if (FileMgr.getDirectory(SubframeworkDirName) == FrameworkDir) { |
| 858 | FoundParent = true; |
| 859 | break; |
| 860 | } |
| 861 | } while (true); |
Douglas Gregor | 07c22b7 | 2012-09-27 14:50:15 +0000 | [diff] [blame] | 862 | |
Douglas Gregor | e00c8b2 | 2013-01-26 00:55:12 +0000 | [diff] [blame] | 863 | if (!FoundParent) |
| 864 | continue; |
Douglas Gregor | 07c22b7 | 2012-09-27 14:50:15 +0000 | [diff] [blame] | 865 | |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 866 | // FIXME: Do we want to warn about subframeworks without umbrella headers? |
Ben Langmuir | a525400 | 2015-07-02 13:19:48 +0000 | [diff] [blame] | 867 | inferFrameworkModule(SubframeworkDir, Attrs, Result); |
Douglas Gregor | e89dbc1 | 2011-12-06 19:39:29 +0000 | [diff] [blame] | 868 | } |
| 869 | } |
Douglas Gregor | 09a22f0 | 2012-01-13 16:54:27 +0000 | [diff] [blame] | 870 | |
Douglas Gregor | 11dfe6f | 2013-01-14 17:57:51 +0000 | [diff] [blame] | 871 | // If the module is a top-level framework, automatically link against the |
| 872 | // framework. |
| 873 | if (!Result->isSubFramework()) { |
| 874 | inferFrameworkLink(Result, FrameworkDir, FileMgr); |
| 875 | } |
| 876 | |
Douglas Gregor | 56c6401 | 2011-11-17 01:41:17 +0000 | [diff] [blame] | 877 | return Result; |
| 878 | } |
| 879 | |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 880 | void ModuleMap::setUmbrellaHeader(Module *Mod, const FileEntry *UmbrellaHeader, |
| 881 | Twine NameAsWritten) { |
Daniel Jasper | 97da917 | 2013-10-22 08:09:47 +0000 | [diff] [blame] | 882 | Headers[UmbrellaHeader].push_back(KnownHeader(Mod, NormalHeader)); |
Douglas Gregor | 73141fa | 2011-12-08 17:39:04 +0000 | [diff] [blame] | 883 | Mod->Umbrella = UmbrellaHeader; |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 884 | Mod->UmbrellaAsWritten = NameAsWritten.str(); |
Douglas Gregor | 7033127 | 2011-12-09 02:04:43 +0000 | [diff] [blame] | 885 | UmbrellaDirs[UmbrellaHeader->getDir()] = Mod; |
Bruno Cardoso Lopes | b3a0fa4 | 2016-05-13 22:21:51 +0000 | [diff] [blame] | 886 | |
| 887 | // Notify callbacks that we just added a new header. |
| 888 | for (const auto &Cb : Callbacks) |
| 889 | Cb->moduleMapAddUmbrellaHeader(&SourceMgr.getFileManager(), UmbrellaHeader); |
Douglas Gregor | a89c5ac | 2011-12-06 01:10:29 +0000 | [diff] [blame] | 890 | } |
| 891 | |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 892 | void ModuleMap::setUmbrellaDir(Module *Mod, const DirectoryEntry *UmbrellaDir, |
| 893 | Twine NameAsWritten) { |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 894 | Mod->Umbrella = UmbrellaDir; |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 895 | Mod->UmbrellaAsWritten = NameAsWritten.str(); |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 896 | UmbrellaDirs[UmbrellaDir] = Mod; |
| 897 | } |
| 898 | |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 899 | static Module::HeaderKind headerRoleToKind(ModuleMap::ModuleHeaderRole Role) { |
NAKAMURA Takumi | 0e98d93 | 2014-10-26 13:12:35 +0000 | [diff] [blame] | 900 | switch ((int)Role) { |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 901 | default: llvm_unreachable("unknown header role"); |
| 902 | case ModuleMap::NormalHeader: |
| 903 | return Module::HK_Normal; |
| 904 | case ModuleMap::PrivateHeader: |
| 905 | return Module::HK_Private; |
| 906 | case ModuleMap::TextualHeader: |
| 907 | return Module::HK_Textual; |
| 908 | case ModuleMap::PrivateHeader | ModuleMap::TextualHeader: |
| 909 | return Module::HK_PrivateTextual; |
NAKAMURA Takumi | 0e98d93 | 2014-10-26 13:12:35 +0000 | [diff] [blame] | 910 | } |
Douglas Gregor | a89c5ac | 2011-12-06 01:10:29 +0000 | [diff] [blame] | 911 | } |
| 912 | |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 913 | void ModuleMap::addHeader(Module *Mod, Module::Header Header, |
Richard Smith | d8879c8 | 2015-08-24 21:59:32 +0000 | [diff] [blame] | 914 | ModuleHeaderRole Role, bool Imported) { |
Richard Smith | 386bb07 | 2015-08-18 23:42:23 +0000 | [diff] [blame] | 915 | KnownHeader KH(Mod, Role); |
Richard Smith | feb54b6 | 2014-10-23 02:01:19 +0000 | [diff] [blame] | 916 | |
Richard Smith | 386bb07 | 2015-08-18 23:42:23 +0000 | [diff] [blame] | 917 | // Only add each header to the headers list once. |
| 918 | // FIXME: Should we diagnose if a header is listed twice in the |
| 919 | // same module definition? |
| 920 | auto &HeaderList = Headers[Header.Entry]; |
| 921 | for (auto H : HeaderList) |
| 922 | if (H == KH) |
| 923 | return; |
| 924 | |
| 925 | HeaderList.push_back(KH); |
Piotr Padlewski | 1ec383c | 2016-12-23 11:40:44 +0000 | [diff] [blame] | 926 | Mod->Headers[headerRoleToKind(Role)].push_back(Header); |
Richard Smith | 386bb07 | 2015-08-18 23:42:23 +0000 | [diff] [blame] | 927 | |
Richard Smith | 7e82e01 | 2016-02-19 22:25:36 +0000 | [diff] [blame] | 928 | bool isCompilingModuleHeader = |
Richard Smith | bbcc9f0 | 2016-08-26 00:14:38 +0000 | [diff] [blame] | 929 | LangOpts.isCompilingModule() && Mod->getTopLevelModule() == SourceModule; |
Richard Smith | d8879c8 | 2015-08-24 21:59:32 +0000 | [diff] [blame] | 930 | if (!Imported || isCompilingModuleHeader) { |
| 931 | // When we import HeaderFileInfo, the external source is expected to |
| 932 | // set the isModuleHeader flag itself. |
| 933 | HeaderInfo.MarkFileModuleHeader(Header.Entry, Role, |
| 934 | isCompilingModuleHeader); |
| 935 | } |
Bruno Cardoso Lopes | e62cfd7 | 2016-03-30 23:54:25 +0000 | [diff] [blame] | 936 | |
| 937 | // Notify callbacks that we just added a new header. |
| 938 | for (const auto &Cb : Callbacks) |
Bruno Cardoso Lopes | f084179 | 2016-05-06 23:21:50 +0000 | [diff] [blame] | 939 | Cb->moduleMapAddHeader(Header.Entry->getName()); |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 940 | } |
| 941 | |
| 942 | void ModuleMap::excludeHeader(Module *Mod, Module::Header Header) { |
Richard Smith | feb54b6 | 2014-10-23 02:01:19 +0000 | [diff] [blame] | 943 | // Add this as a known header so we won't implicitly add it to any |
| 944 | // umbrella directory module. |
| 945 | // FIXME: Should we only exclude it from umbrella modules within the |
| 946 | // specified module? |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 947 | (void) Headers[Header.Entry]; |
| 948 | |
| 949 | Mod->Headers[Module::HK_Excluded].push_back(std::move(Header)); |
Richard Smith | feb54b6 | 2014-10-23 02:01:19 +0000 | [diff] [blame] | 950 | } |
| 951 | |
Douglas Gregor | 514b636 | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 952 | const FileEntry * |
Ben Langmuir | 4b8a9e9 | 2014-08-12 16:42:33 +0000 | [diff] [blame] | 953 | ModuleMap::getContainingModuleMapFile(const Module *Module) const { |
Manuel Klimek | 1f76c4e | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 954 | if (Module->DefinitionLoc.isInvalid()) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 955 | return nullptr; |
Douglas Gregor | 514b636 | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 956 | |
Manuel Klimek | 1f76c4e | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 957 | return SourceMgr.getFileEntryForID( |
| 958 | SourceMgr.getFileID(Module->DefinitionLoc)); |
Douglas Gregor | 514b636 | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 959 | } |
| 960 | |
Ben Langmuir | 4b8a9e9 | 2014-08-12 16:42:33 +0000 | [diff] [blame] | 961 | const FileEntry *ModuleMap::getModuleMapFileForUniquing(const Module *M) const { |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 962 | if (M->IsInferred) { |
| 963 | assert(InferredModuleAllowedBy.count(M) && "missing inferred module map"); |
| 964 | return InferredModuleAllowedBy.find(M)->second; |
| 965 | } |
| 966 | return getContainingModuleMapFile(M); |
| 967 | } |
| 968 | |
| 969 | void ModuleMap::setInferredModuleAllowedBy(Module *M, const FileEntry *ModMap) { |
| 970 | assert(M->IsInferred && "module not inferred"); |
| 971 | InferredModuleAllowedBy[M] = ModMap; |
| 972 | } |
| 973 | |
Yaron Keren | cdae941 | 2016-01-29 19:38:18 +0000 | [diff] [blame] | 974 | LLVM_DUMP_METHOD void ModuleMap::dump() { |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 975 | llvm::errs() << "Modules:"; |
| 976 | for (llvm::StringMap<Module *>::iterator M = Modules.begin(), |
| 977 | MEnd = Modules.end(); |
| 978 | M != MEnd; ++M) |
Douglas Gregor | d28d1b8 | 2011-11-29 18:17:59 +0000 | [diff] [blame] | 979 | M->getValue()->print(llvm::errs(), 2); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 980 | |
| 981 | llvm::errs() << "Headers:"; |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 982 | for (HeadersMap::iterator H = Headers.begin(), HEnd = Headers.end(); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 983 | H != HEnd; ++H) { |
Daniel Jasper | 97da917 | 2013-10-22 08:09:47 +0000 | [diff] [blame] | 984 | llvm::errs() << " \"" << H->first->getName() << "\" -> "; |
| 985 | for (SmallVectorImpl<KnownHeader>::const_iterator I = H->second.begin(), |
| 986 | E = H->second.end(); |
| 987 | I != E; ++I) { |
| 988 | if (I != H->second.begin()) |
| 989 | llvm::errs() << ","; |
| 990 | llvm::errs() << I->getModule()->getFullModuleName(); |
| 991 | } |
| 992 | llvm::errs() << "\n"; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 993 | } |
| 994 | } |
| 995 | |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 996 | bool ModuleMap::resolveExports(Module *Mod, bool Complain) { |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 997 | auto Unresolved = std::move(Mod->UnresolvedExports); |
| 998 | Mod->UnresolvedExports.clear(); |
| 999 | for (auto &UE : Unresolved) { |
| 1000 | Module::ExportDecl Export = resolveExport(Mod, UE, Complain); |
Douglas Gregor | f5eedd0 | 2011-12-05 17:28:06 +0000 | [diff] [blame] | 1001 | if (Export.getPointer() || Export.getInt()) |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1002 | Mod->Exports.push_back(Export); |
| 1003 | else |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 1004 | Mod->UnresolvedExports.push_back(UE); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1005 | } |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 1006 | return !Mod->UnresolvedExports.empty(); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1007 | } |
| 1008 | |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1009 | bool ModuleMap::resolveUses(Module *Mod, bool Complain) { |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 1010 | auto Unresolved = std::move(Mod->UnresolvedDirectUses); |
| 1011 | Mod->UnresolvedDirectUses.clear(); |
| 1012 | for (auto &UDU : Unresolved) { |
| 1013 | Module *DirectUse = resolveModuleId(UDU, Mod, Complain); |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1014 | if (DirectUse) |
| 1015 | Mod->DirectUses.push_back(DirectUse); |
| 1016 | else |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 1017 | Mod->UnresolvedDirectUses.push_back(UDU); |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1018 | } |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 1019 | return !Mod->UnresolvedDirectUses.empty(); |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1020 | } |
| 1021 | |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1022 | bool ModuleMap::resolveConflicts(Module *Mod, bool Complain) { |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 1023 | auto Unresolved = std::move(Mod->UnresolvedConflicts); |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1024 | Mod->UnresolvedConflicts.clear(); |
Richard Smith | 4241314 | 2015-05-15 20:05:43 +0000 | [diff] [blame] | 1025 | for (auto &UC : Unresolved) { |
| 1026 | if (Module *OtherMod = resolveModuleId(UC.Id, Mod, Complain)) { |
| 1027 | Module::Conflict Conflict; |
| 1028 | Conflict.Other = OtherMod; |
| 1029 | Conflict.Message = UC.Message; |
| 1030 | Mod->Conflicts.push_back(Conflict); |
| 1031 | } else |
| 1032 | Mod->UnresolvedConflicts.push_back(UC); |
| 1033 | } |
| 1034 | return !Mod->UnresolvedConflicts.empty(); |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1035 | } |
| 1036 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1037 | //----------------------------------------------------------------------------// |
| 1038 | // Module map file parser |
| 1039 | //----------------------------------------------------------------------------// |
| 1040 | |
| 1041 | namespace clang { |
| 1042 | /// \brief A token in a module map file. |
| 1043 | struct MMToken { |
| 1044 | enum TokenKind { |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1045 | Comma, |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1046 | ConfigMacros, |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1047 | Conflict, |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1048 | EndOfFile, |
| 1049 | HeaderKeyword, |
| 1050 | Identifier, |
Richard Smith | a3feee2 | 2013-10-28 22:18:19 +0000 | [diff] [blame] | 1051 | Exclaim, |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 1052 | ExcludeKeyword, |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1053 | ExplicitKeyword, |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1054 | ExportKeyword, |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1055 | ExternKeyword, |
Douglas Gregor | 755b205 | 2011-11-17 22:09:43 +0000 | [diff] [blame] | 1056 | FrameworkKeyword, |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 1057 | LinkKeyword, |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1058 | ModuleKeyword, |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1059 | Period, |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1060 | PrivateKeyword, |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1061 | UmbrellaKeyword, |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1062 | UseKeyword, |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1063 | RequiresKeyword, |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1064 | Star, |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1065 | StringLiteral, |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 1066 | TextualKeyword, |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1067 | LBrace, |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1068 | RBrace, |
| 1069 | LSquare, |
| 1070 | RSquare |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1071 | } Kind; |
| 1072 | |
| 1073 | unsigned Location; |
| 1074 | unsigned StringLength; |
| 1075 | const char *StringData; |
| 1076 | |
| 1077 | void clear() { |
| 1078 | Kind = EndOfFile; |
| 1079 | Location = 0; |
| 1080 | StringLength = 0; |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 1081 | StringData = nullptr; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1082 | } |
| 1083 | |
| 1084 | bool is(TokenKind K) const { return Kind == K; } |
| 1085 | |
| 1086 | SourceLocation getLocation() const { |
| 1087 | return SourceLocation::getFromRawEncoding(Location); |
| 1088 | } |
| 1089 | |
| 1090 | StringRef getString() const { |
| 1091 | return StringRef(StringData, StringLength); |
| 1092 | } |
| 1093 | }; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 1094 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1095 | class ModuleMapParser { |
| 1096 | Lexer &L; |
| 1097 | SourceManager &SourceMgr; |
Douglas Gregor | bc10b9f | 2012-10-15 16:45:32 +0000 | [diff] [blame] | 1098 | |
| 1099 | /// \brief Default target information, used only for string literal |
| 1100 | /// parsing. |
| 1101 | const TargetInfo *Target; |
| 1102 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1103 | DiagnosticsEngine &Diags; |
| 1104 | ModuleMap ⤅ |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 1105 | |
| 1106 | /// \brief The current module map file. |
| 1107 | const FileEntry *ModuleMapFile; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1108 | |
Richard Smith | 9acb99e3 | 2014-12-10 03:09:48 +0000 | [diff] [blame] | 1109 | /// \brief The directory that file names in this module map file should |
| 1110 | /// be resolved relative to. |
Douglas Gregor | 5257fc6 | 2011-11-11 21:55:48 +0000 | [diff] [blame] | 1111 | const DirectoryEntry *Directory; |
Douglas Gregor | 3ec6663 | 2012-02-02 18:42:48 +0000 | [diff] [blame] | 1112 | |
Douglas Gregor | 963c553 | 2013-06-21 16:28:10 +0000 | [diff] [blame] | 1113 | /// \brief Whether this module map is in a system header directory. |
| 1114 | bool IsSystem; |
| 1115 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1116 | /// \brief Whether an error occurred. |
| 1117 | bool HadError; |
Douglas Gregor | bc10b9f | 2012-10-15 16:45:32 +0000 | [diff] [blame] | 1118 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1119 | /// \brief Stores string data for the various string literals referenced |
| 1120 | /// during parsing. |
| 1121 | llvm::BumpPtrAllocator StringData; |
| 1122 | |
| 1123 | /// \brief The current token. |
| 1124 | MMToken Tok; |
| 1125 | |
| 1126 | /// \brief The active module. |
Douglas Gregor | de3ef50 | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 1127 | Module *ActiveModule; |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 1128 | |
| 1129 | /// \brief Whether a module uses the 'requires excluded' hack to mark its |
| 1130 | /// contents as 'textual'. |
| 1131 | /// |
| 1132 | /// On older Darwin SDK versions, 'requires excluded' is used to mark the |
| 1133 | /// contents of the Darwin.C.excluded (assert.h) and Tcl.Private modules as |
| 1134 | /// non-modular headers. For backwards compatibility, we continue to |
| 1135 | /// support this idiom for just these modules, and map the headers to |
| 1136 | /// 'textual' to match the original intent. |
| 1137 | llvm::SmallPtrSet<Module *, 2> UsesRequiresExcludedHack; |
| 1138 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1139 | /// \brief Consume the current token and return its location. |
| 1140 | SourceLocation consumeToken(); |
| 1141 | |
| 1142 | /// \brief Skip tokens until we reach the a token with the given kind |
| 1143 | /// (or the end of the file). |
| 1144 | void skipUntil(MMToken::TokenKind K); |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1145 | |
Dmitri Gribenko | f857950 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 1146 | typedef SmallVector<std::pair<std::string, SourceLocation>, 2> ModuleId; |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1147 | bool parseModuleId(ModuleId &Id); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1148 | void parseModuleDecl(); |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1149 | void parseExternModuleDecl(); |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1150 | void parseRequiresDecl(); |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1151 | void parseHeaderDecl(clang::MMToken::TokenKind, |
| 1152 | SourceLocation LeadingLoc); |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 1153 | void parseUmbrellaDirDecl(SourceLocation UmbrellaLoc); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1154 | void parseExportDecl(); |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1155 | void parseUseDecl(); |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 1156 | void parseLinkDecl(); |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1157 | void parseConfigMacros(); |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1158 | void parseConflict(); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 1159 | void parseInferredModuleDecl(bool Framework, bool Explicit); |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 1160 | |
| 1161 | typedef ModuleMap::Attributes Attributes; |
Bill Wendling | 4442605 | 2012-12-20 19:22:21 +0000 | [diff] [blame] | 1162 | bool parseOptionalAttributes(Attributes &Attrs); |
Douglas Gregor | 7033127 | 2011-12-09 02:04:43 +0000 | [diff] [blame] | 1163 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1164 | public: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1165 | explicit ModuleMapParser(Lexer &L, SourceManager &SourceMgr, |
Douglas Gregor | bc10b9f | 2012-10-15 16:45:32 +0000 | [diff] [blame] | 1166 | const TargetInfo *Target, |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1167 | DiagnosticsEngine &Diags, |
Douglas Gregor | 5257fc6 | 2011-11-11 21:55:48 +0000 | [diff] [blame] | 1168 | ModuleMap &Map, |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 1169 | const FileEntry *ModuleMapFile, |
Douglas Gregor | 3ec6663 | 2012-02-02 18:42:48 +0000 | [diff] [blame] | 1170 | const DirectoryEntry *Directory, |
Douglas Gregor | 963c553 | 2013-06-21 16:28:10 +0000 | [diff] [blame] | 1171 | bool IsSystem) |
Douglas Gregor | bc10b9f | 2012-10-15 16:45:32 +0000 | [diff] [blame] | 1172 | : L(L), SourceMgr(SourceMgr), Target(Target), Diags(Diags), Map(Map), |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 1173 | ModuleMapFile(ModuleMapFile), Directory(Directory), |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 1174 | IsSystem(IsSystem), HadError(false), ActiveModule(nullptr) |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1175 | { |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1176 | Tok.clear(); |
| 1177 | consumeToken(); |
| 1178 | } |
| 1179 | |
| 1180 | bool parseModuleMapFile(); |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 1181 | |
| 1182 | bool terminatedByDirective() { return false; } |
| 1183 | SourceLocation getLocation() { return Tok.getLocation(); } |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1184 | }; |
Alexander Kornienko | ab9db51 | 2015-06-22 23:07:51 +0000 | [diff] [blame] | 1185 | } |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1186 | |
| 1187 | SourceLocation ModuleMapParser::consumeToken() { |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1188 | SourceLocation Result = Tok.getLocation(); |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 1189 | |
| 1190 | retry: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1191 | Tok.clear(); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1192 | Token LToken; |
| 1193 | L.LexFromRawLexer(LToken); |
| 1194 | Tok.Location = LToken.getLocation().getRawEncoding(); |
| 1195 | switch (LToken.getKind()) { |
Alp Toker | 2d57cea | 2014-05-17 04:53:25 +0000 | [diff] [blame] | 1196 | case tok::raw_identifier: { |
| 1197 | StringRef RI = LToken.getRawIdentifier(); |
| 1198 | Tok.StringData = RI.data(); |
| 1199 | Tok.StringLength = RI.size(); |
| 1200 | Tok.Kind = llvm::StringSwitch<MMToken::TokenKind>(RI) |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1201 | .Case("config_macros", MMToken::ConfigMacros) |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1202 | .Case("conflict", MMToken::Conflict) |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 1203 | .Case("exclude", MMToken::ExcludeKeyword) |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1204 | .Case("explicit", MMToken::ExplicitKeyword) |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1205 | .Case("export", MMToken::ExportKeyword) |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1206 | .Case("extern", MMToken::ExternKeyword) |
Douglas Gregor | 755b205 | 2011-11-17 22:09:43 +0000 | [diff] [blame] | 1207 | .Case("framework", MMToken::FrameworkKeyword) |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1208 | .Case("header", MMToken::HeaderKeyword) |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 1209 | .Case("link", MMToken::LinkKeyword) |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1210 | .Case("module", MMToken::ModuleKeyword) |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1211 | .Case("private", MMToken::PrivateKeyword) |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1212 | .Case("requires", MMToken::RequiresKeyword) |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 1213 | .Case("textual", MMToken::TextualKeyword) |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1214 | .Case("umbrella", MMToken::UmbrellaKeyword) |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1215 | .Case("use", MMToken::UseKeyword) |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1216 | .Default(MMToken::Identifier); |
| 1217 | break; |
Alp Toker | 2d57cea | 2014-05-17 04:53:25 +0000 | [diff] [blame] | 1218 | } |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1219 | |
| 1220 | case tok::comma: |
| 1221 | Tok.Kind = MMToken::Comma; |
| 1222 | break; |
| 1223 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1224 | case tok::eof: |
| 1225 | Tok.Kind = MMToken::EndOfFile; |
| 1226 | break; |
| 1227 | |
| 1228 | case tok::l_brace: |
| 1229 | Tok.Kind = MMToken::LBrace; |
| 1230 | break; |
| 1231 | |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1232 | case tok::l_square: |
| 1233 | Tok.Kind = MMToken::LSquare; |
| 1234 | break; |
| 1235 | |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1236 | case tok::period: |
| 1237 | Tok.Kind = MMToken::Period; |
| 1238 | break; |
| 1239 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1240 | case tok::r_brace: |
| 1241 | Tok.Kind = MMToken::RBrace; |
| 1242 | break; |
| 1243 | |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1244 | case tok::r_square: |
| 1245 | Tok.Kind = MMToken::RSquare; |
| 1246 | break; |
| 1247 | |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1248 | case tok::star: |
| 1249 | Tok.Kind = MMToken::Star; |
| 1250 | break; |
| 1251 | |
Richard Smith | a3feee2 | 2013-10-28 22:18:19 +0000 | [diff] [blame] | 1252 | case tok::exclaim: |
| 1253 | Tok.Kind = MMToken::Exclaim; |
| 1254 | break; |
| 1255 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1256 | case tok::string_literal: { |
Richard Smith | d67aea2 | 2012-03-06 03:21:47 +0000 | [diff] [blame] | 1257 | if (LToken.hasUDSuffix()) { |
| 1258 | Diags.Report(LToken.getLocation(), diag::err_invalid_string_udl); |
| 1259 | HadError = true; |
| 1260 | goto retry; |
| 1261 | } |
| 1262 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1263 | // Parse the string literal. |
| 1264 | LangOptions LangOpts; |
Craig Topper | 9d5583e | 2014-06-26 04:58:39 +0000 | [diff] [blame] | 1265 | StringLiteralParser StringLiteral(LToken, SourceMgr, LangOpts, *Target); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1266 | if (StringLiteral.hadError) |
| 1267 | goto retry; |
| 1268 | |
| 1269 | // Copy the string literal into our string data allocator. |
| 1270 | unsigned Length = StringLiteral.GetStringLength(); |
| 1271 | char *Saved = StringData.Allocate<char>(Length + 1); |
| 1272 | memcpy(Saved, StringLiteral.GetString().data(), Length); |
| 1273 | Saved[Length] = 0; |
| 1274 | |
| 1275 | // Form the token. |
| 1276 | Tok.Kind = MMToken::StringLiteral; |
| 1277 | Tok.StringData = Saved; |
| 1278 | Tok.StringLength = Length; |
| 1279 | break; |
| 1280 | } |
| 1281 | |
| 1282 | case tok::comment: |
| 1283 | goto retry; |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 1284 | |
| 1285 | case tok::hash: |
| 1286 | // A module map can be terminated prematurely by |
| 1287 | // #pragma clang module contents |
| 1288 | // When building the module, we'll treat the rest of the file as the |
| 1289 | // contents of the module. |
| 1290 | { |
| 1291 | auto NextIsIdent = [&](StringRef Str) -> bool { |
| 1292 | L.LexFromRawLexer(LToken); |
| 1293 | return !LToken.isAtStartOfLine() && LToken.is(tok::raw_identifier) && |
| 1294 | LToken.getRawIdentifier() == Str; |
| 1295 | }; |
| 1296 | if (NextIsIdent("pragma") && NextIsIdent("clang") && |
| 1297 | NextIsIdent("module") && NextIsIdent("contents")) { |
| 1298 | Tok.Kind = MMToken::EndOfFile; |
| 1299 | break; |
| 1300 | } |
| 1301 | } |
| 1302 | LLVM_FALLTHROUGH; |
| 1303 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1304 | default: |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 1305 | Diags.Report(Tok.getLocation(), diag::err_mmap_unknown_token); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1306 | HadError = true; |
| 1307 | goto retry; |
| 1308 | } |
| 1309 | |
| 1310 | return Result; |
| 1311 | } |
| 1312 | |
| 1313 | void ModuleMapParser::skipUntil(MMToken::TokenKind K) { |
| 1314 | unsigned braceDepth = 0; |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1315 | unsigned squareDepth = 0; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1316 | do { |
| 1317 | switch (Tok.Kind) { |
| 1318 | case MMToken::EndOfFile: |
| 1319 | return; |
| 1320 | |
| 1321 | case MMToken::LBrace: |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1322 | if (Tok.is(K) && braceDepth == 0 && squareDepth == 0) |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1323 | return; |
| 1324 | |
| 1325 | ++braceDepth; |
| 1326 | break; |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1327 | |
| 1328 | case MMToken::LSquare: |
| 1329 | if (Tok.is(K) && braceDepth == 0 && squareDepth == 0) |
| 1330 | return; |
| 1331 | |
| 1332 | ++squareDepth; |
| 1333 | break; |
| 1334 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1335 | case MMToken::RBrace: |
| 1336 | if (braceDepth > 0) |
| 1337 | --braceDepth; |
| 1338 | else if (Tok.is(K)) |
| 1339 | return; |
| 1340 | break; |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1341 | |
| 1342 | case MMToken::RSquare: |
| 1343 | if (squareDepth > 0) |
| 1344 | --squareDepth; |
| 1345 | else if (Tok.is(K)) |
| 1346 | return; |
| 1347 | break; |
| 1348 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1349 | default: |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1350 | if (braceDepth == 0 && squareDepth == 0 && Tok.is(K)) |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1351 | return; |
| 1352 | break; |
| 1353 | } |
| 1354 | |
| 1355 | consumeToken(); |
| 1356 | } while (true); |
| 1357 | } |
| 1358 | |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1359 | /// \brief Parse a module-id. |
| 1360 | /// |
| 1361 | /// module-id: |
| 1362 | /// identifier |
| 1363 | /// identifier '.' module-id |
| 1364 | /// |
| 1365 | /// \returns true if an error occurred, false otherwise. |
| 1366 | bool ModuleMapParser::parseModuleId(ModuleId &Id) { |
| 1367 | Id.clear(); |
| 1368 | do { |
Daniel Jasper | 3cd34c7 | 2013-12-06 09:25:54 +0000 | [diff] [blame] | 1369 | if (Tok.is(MMToken::Identifier) || Tok.is(MMToken::StringLiteral)) { |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1370 | Id.push_back(std::make_pair(Tok.getString(), Tok.getLocation())); |
| 1371 | consumeToken(); |
| 1372 | } else { |
| 1373 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_module_name); |
| 1374 | return true; |
| 1375 | } |
| 1376 | |
| 1377 | if (!Tok.is(MMToken::Period)) |
| 1378 | break; |
| 1379 | |
| 1380 | consumeToken(); |
| 1381 | } while (true); |
| 1382 | |
| 1383 | return false; |
| 1384 | } |
| 1385 | |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1386 | namespace { |
| 1387 | /// \brief Enumerates the known attributes. |
| 1388 | enum AttributeKind { |
| 1389 | /// \brief An unknown attribute. |
| 1390 | AT_unknown, |
| 1391 | /// \brief The 'system' attribute. |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1392 | AT_system, |
Richard Smith | 7794486 | 2014-03-02 05:58:18 +0000 | [diff] [blame] | 1393 | /// \brief The 'extern_c' attribute. |
| 1394 | AT_extern_c, |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1395 | /// \brief The 'exhaustive' attribute. |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 1396 | AT_exhaustive, |
| 1397 | /// \brief The 'no_undeclared_includes' attribute. |
| 1398 | AT_no_undeclared_includes |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1399 | }; |
Alexander Kornienko | ab9db51 | 2015-06-22 23:07:51 +0000 | [diff] [blame] | 1400 | } |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1401 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1402 | /// \brief Parse a module declaration. |
| 1403 | /// |
| 1404 | /// module-declaration: |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1405 | /// 'extern' 'module' module-id string-literal |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1406 | /// 'explicit'[opt] 'framework'[opt] 'module' module-id attributes[opt] |
| 1407 | /// { module-member* } |
| 1408 | /// |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1409 | /// module-member: |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1410 | /// requires-declaration |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1411 | /// header-declaration |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1412 | /// submodule-declaration |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1413 | /// export-declaration |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 1414 | /// link-declaration |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 1415 | /// |
| 1416 | /// submodule-declaration: |
| 1417 | /// module-declaration |
| 1418 | /// inferred-submodule-declaration |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1419 | void ModuleMapParser::parseModuleDecl() { |
Douglas Gregor | 755b205 | 2011-11-17 22:09:43 +0000 | [diff] [blame] | 1420 | assert(Tok.is(MMToken::ExplicitKeyword) || Tok.is(MMToken::ModuleKeyword) || |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1421 | Tok.is(MMToken::FrameworkKeyword) || Tok.is(MMToken::ExternKeyword)); |
| 1422 | if (Tok.is(MMToken::ExternKeyword)) { |
| 1423 | parseExternModuleDecl(); |
| 1424 | return; |
| 1425 | } |
| 1426 | |
Douglas Gregor | f2161a7 | 2011-12-06 17:16:41 +0000 | [diff] [blame] | 1427 | // Parse 'explicit' or 'framework' keyword, if present. |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1428 | SourceLocation ExplicitLoc; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1429 | bool Explicit = false; |
Douglas Gregor | f2161a7 | 2011-12-06 17:16:41 +0000 | [diff] [blame] | 1430 | bool Framework = false; |
Douglas Gregor | 755b205 | 2011-11-17 22:09:43 +0000 | [diff] [blame] | 1431 | |
Douglas Gregor | f2161a7 | 2011-12-06 17:16:41 +0000 | [diff] [blame] | 1432 | // Parse 'explicit' keyword, if present. |
| 1433 | if (Tok.is(MMToken::ExplicitKeyword)) { |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1434 | ExplicitLoc = consumeToken(); |
Douglas Gregor | f2161a7 | 2011-12-06 17:16:41 +0000 | [diff] [blame] | 1435 | Explicit = true; |
| 1436 | } |
| 1437 | |
| 1438 | // Parse 'framework' keyword, if present. |
Douglas Gregor | 755b205 | 2011-11-17 22:09:43 +0000 | [diff] [blame] | 1439 | if (Tok.is(MMToken::FrameworkKeyword)) { |
| 1440 | consumeToken(); |
| 1441 | Framework = true; |
| 1442 | } |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1443 | |
| 1444 | // Parse 'module' keyword. |
| 1445 | if (!Tok.is(MMToken::ModuleKeyword)) { |
Douglas Gregor | d6343c9 | 2011-12-06 19:57:48 +0000 | [diff] [blame] | 1446 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_module); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1447 | consumeToken(); |
| 1448 | HadError = true; |
| 1449 | return; |
| 1450 | } |
| 1451 | consumeToken(); // 'module' keyword |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 1452 | |
| 1453 | // If we have a wildcard for the module name, this is an inferred submodule. |
| 1454 | // Parse it. |
| 1455 | if (Tok.is(MMToken::Star)) |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 1456 | return parseInferredModuleDecl(Framework, Explicit); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1457 | |
| 1458 | // Parse the module name. |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1459 | ModuleId Id; |
| 1460 | if (parseModuleId(Id)) { |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1461 | HadError = true; |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1462 | return; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1463 | } |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 1464 | |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1465 | if (ActiveModule) { |
| 1466 | if (Id.size() > 1) { |
| 1467 | Diags.Report(Id.front().second, diag::err_mmap_nested_submodule_id) |
| 1468 | << SourceRange(Id.front().second, Id.back().second); |
| 1469 | |
| 1470 | HadError = true; |
| 1471 | return; |
| 1472 | } |
| 1473 | } else if (Id.size() == 1 && Explicit) { |
| 1474 | // Top-level modules can't be explicit. |
| 1475 | Diags.Report(ExplicitLoc, diag::err_mmap_explicit_top_level); |
| 1476 | Explicit = false; |
| 1477 | ExplicitLoc = SourceLocation(); |
| 1478 | HadError = true; |
| 1479 | } |
| 1480 | |
| 1481 | Module *PreviousActiveModule = ActiveModule; |
| 1482 | if (Id.size() > 1) { |
| 1483 | // This module map defines a submodule. Go find the module of which it |
| 1484 | // is a submodule. |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 1485 | ActiveModule = nullptr; |
Ben Langmuir | 4b8a9e9 | 2014-08-12 16:42:33 +0000 | [diff] [blame] | 1486 | const Module *TopLevelModule = nullptr; |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1487 | for (unsigned I = 0, N = Id.size() - 1; I != N; ++I) { |
| 1488 | if (Module *Next = Map.lookupModuleQualified(Id[I].first, ActiveModule)) { |
Ben Langmuir | 4b8a9e9 | 2014-08-12 16:42:33 +0000 | [diff] [blame] | 1489 | if (I == 0) |
| 1490 | TopLevelModule = Next; |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1491 | ActiveModule = Next; |
| 1492 | continue; |
| 1493 | } |
| 1494 | |
| 1495 | if (ActiveModule) { |
| 1496 | Diags.Report(Id[I].second, diag::err_mmap_missing_module_qualified) |
Richard Smith | 5b5d21e | 2014-03-12 23:36:42 +0000 | [diff] [blame] | 1497 | << Id[I].first |
| 1498 | << ActiveModule->getTopLevelModule()->getFullModuleName(); |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1499 | } else { |
| 1500 | Diags.Report(Id[I].second, diag::err_mmap_expected_module_name); |
| 1501 | } |
| 1502 | HadError = true; |
| 1503 | return; |
| 1504 | } |
Ben Langmuir | 4b8a9e9 | 2014-08-12 16:42:33 +0000 | [diff] [blame] | 1505 | |
| 1506 | if (ModuleMapFile != Map.getContainingModuleMapFile(TopLevelModule)) { |
| 1507 | assert(ModuleMapFile != Map.getModuleMapFileForUniquing(TopLevelModule) && |
| 1508 | "submodule defined in same file as 'module *' that allowed its " |
| 1509 | "top-level module"); |
| 1510 | Map.addAdditionalModuleMapFile(TopLevelModule, ModuleMapFile); |
| 1511 | } |
| 1512 | } |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1513 | |
| 1514 | StringRef ModuleName = Id.back().first; |
| 1515 | SourceLocation ModuleNameLoc = Id.back().second; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1516 | |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1517 | // Parse the optional attribute list. |
Bill Wendling | 4442605 | 2012-12-20 19:22:21 +0000 | [diff] [blame] | 1518 | Attributes Attrs; |
Davide Italiano | 5d29dee | 2016-03-06 04:20:05 +0000 | [diff] [blame] | 1519 | if (parseOptionalAttributes(Attrs)) |
| 1520 | return; |
| 1521 | |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1522 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1523 | // Parse the opening brace. |
| 1524 | if (!Tok.is(MMToken::LBrace)) { |
| 1525 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_lbrace) |
| 1526 | << ModuleName; |
| 1527 | HadError = true; |
| 1528 | return; |
| 1529 | } |
| 1530 | SourceLocation LBraceLoc = consumeToken(); |
| 1531 | |
| 1532 | // Determine whether this (sub)module has already been defined. |
Douglas Gregor | eb90e83 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1533 | if (Module *Existing = Map.lookupModuleQualified(ModuleName, ActiveModule)) { |
Richard Smith | 4a3751f | 2017-05-08 20:30:47 +0000 | [diff] [blame] | 1534 | // We might see a (re)definition of a module that we already have a |
| 1535 | // definition for in two cases: |
| 1536 | // - If we loaded one definition from an AST file and we've just found a |
| 1537 | // corresponding definition in a module map file, or |
| 1538 | bool LoadedFromASTFile = Existing->DefinitionLoc.isInvalid(); |
| 1539 | // - If we're building a (preprocessed) module and we've just loaded the |
| 1540 | // module map file from which it was created. |
| 1541 | bool ParsedAsMainInput = |
| 1542 | Map.LangOpts.getCompilingModule() == LangOptions::CMK_ModuleMap && |
| 1543 | Map.LangOpts.CurrentModule == ModuleName && |
| 1544 | SourceMgr.getDecomposedLoc(ModuleNameLoc).first != |
| 1545 | SourceMgr.getDecomposedLoc(Existing->DefinitionLoc).first; |
| 1546 | if (!ActiveModule && (LoadedFromASTFile || ParsedAsMainInput)) { |
Douglas Gregor | fcc54a3 | 2012-01-05 00:12:00 +0000 | [diff] [blame] | 1547 | // Skip the module definition. |
| 1548 | skipUntil(MMToken::RBrace); |
| 1549 | if (Tok.is(MMToken::RBrace)) |
| 1550 | consumeToken(); |
| 1551 | else { |
| 1552 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_rbrace); |
| 1553 | Diags.Report(LBraceLoc, diag::note_mmap_lbrace_match); |
| 1554 | HadError = true; |
| 1555 | } |
| 1556 | return; |
| 1557 | } |
| 1558 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1559 | Diags.Report(ModuleNameLoc, diag::err_mmap_module_redefinition) |
| 1560 | << ModuleName; |
Douglas Gregor | eb90e83 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1561 | Diags.Report(Existing->DefinitionLoc, diag::note_mmap_prev_definition); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1562 | |
| 1563 | // Skip the module definition. |
| 1564 | skipUntil(MMToken::RBrace); |
| 1565 | if (Tok.is(MMToken::RBrace)) |
| 1566 | consumeToken(); |
| 1567 | |
| 1568 | HadError = true; |
| 1569 | return; |
| 1570 | } |
| 1571 | |
| 1572 | // Start defining this module. |
Ben Langmuir | 9d6448b | 2014-08-09 00:57:23 +0000 | [diff] [blame] | 1573 | ActiveModule = Map.findOrCreateModule(ModuleName, ActiveModule, Framework, |
| 1574 | Explicit).first; |
Douglas Gregor | eb90e83 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1575 | ActiveModule->DefinitionLoc = ModuleNameLoc; |
Douglas Gregor | 963c553 | 2013-06-21 16:28:10 +0000 | [diff] [blame] | 1576 | if (Attrs.IsSystem || IsSystem) |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 1577 | ActiveModule->IsSystem = true; |
Richard Smith | 7794486 | 2014-03-02 05:58:18 +0000 | [diff] [blame] | 1578 | if (Attrs.IsExternC) |
| 1579 | ActiveModule->IsExternC = true; |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 1580 | if (Attrs.NoUndeclaredIncludes || |
| 1581 | (!ActiveModule->Parent && ModuleName == "Darwin")) |
| 1582 | ActiveModule->NoUndeclaredIncludes = true; |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 1583 | ActiveModule->Directory = Directory; |
Richard Smith | 7794486 | 2014-03-02 05:58:18 +0000 | [diff] [blame] | 1584 | |
Graydon Hoare | 4d86764 | 2016-12-21 00:24:39 +0000 | [diff] [blame] | 1585 | if (!ActiveModule->Parent) { |
| 1586 | StringRef MapFileName(ModuleMapFile->getName()); |
| 1587 | if (MapFileName.endswith("module.private.modulemap") || |
| 1588 | MapFileName.endswith("module_private.map")) { |
| 1589 | // Adding a top-level module from a private modulemap is likely a |
| 1590 | // user error; we check to see if there's another top-level module |
| 1591 | // defined in the non-private map in the same dir, and if so emit a |
| 1592 | // warning. |
| 1593 | for (auto E = Map.module_begin(); E != Map.module_end(); ++E) { |
| 1594 | auto const *M = E->getValue(); |
| 1595 | if (!M->Parent && |
| 1596 | M->Directory == ActiveModule->Directory && |
| 1597 | M->Name != ActiveModule->Name) { |
| 1598 | Diags.Report(ActiveModule->DefinitionLoc, |
| 1599 | diag::warn_mmap_mismatched_top_level_private) |
| 1600 | << ActiveModule->Name << M->Name; |
| 1601 | // The pattern we're defending against here is typically due to |
| 1602 | // a module named FooPrivate which is supposed to be a submodule |
| 1603 | // called Foo.Private. Emit a fixit in that case. |
| 1604 | auto D = |
| 1605 | Diags.Report(ActiveModule->DefinitionLoc, |
| 1606 | diag::note_mmap_rename_top_level_private_as_submodule); |
| 1607 | D << ActiveModule->Name << M->Name; |
| 1608 | StringRef Bad(ActiveModule->Name); |
| 1609 | if (Bad.consume_back("Private")) { |
| 1610 | SmallString<128> Fixed = Bad; |
| 1611 | Fixed.append(".Private"); |
| 1612 | D << FixItHint::CreateReplacement(ActiveModule->DefinitionLoc, |
| 1613 | Fixed); |
| 1614 | } |
| 1615 | break; |
| 1616 | } |
| 1617 | } |
| 1618 | } |
| 1619 | } |
| 1620 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1621 | bool Done = false; |
| 1622 | do { |
| 1623 | switch (Tok.Kind) { |
| 1624 | case MMToken::EndOfFile: |
| 1625 | case MMToken::RBrace: |
| 1626 | Done = true; |
| 1627 | break; |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1628 | |
| 1629 | case MMToken::ConfigMacros: |
| 1630 | parseConfigMacros(); |
| 1631 | break; |
| 1632 | |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1633 | case MMToken::Conflict: |
| 1634 | parseConflict(); |
| 1635 | break; |
| 1636 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1637 | case MMToken::ExplicitKeyword: |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1638 | case MMToken::ExternKeyword: |
Douglas Gregor | f2161a7 | 2011-12-06 17:16:41 +0000 | [diff] [blame] | 1639 | case MMToken::FrameworkKeyword: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1640 | case MMToken::ModuleKeyword: |
| 1641 | parseModuleDecl(); |
| 1642 | break; |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1643 | |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1644 | case MMToken::ExportKeyword: |
| 1645 | parseExportDecl(); |
| 1646 | break; |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 1647 | |
| 1648 | case MMToken::UseKeyword: |
| 1649 | parseUseDecl(); |
| 1650 | break; |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 1651 | |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1652 | case MMToken::RequiresKeyword: |
| 1653 | parseRequiresDecl(); |
| 1654 | break; |
| 1655 | |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1656 | case MMToken::TextualKeyword: |
| 1657 | parseHeaderDecl(MMToken::TextualKeyword, consumeToken()); |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 1658 | break; |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 1659 | |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 1660 | case MMToken::UmbrellaKeyword: { |
| 1661 | SourceLocation UmbrellaLoc = consumeToken(); |
| 1662 | if (Tok.is(MMToken::HeaderKeyword)) |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1663 | parseHeaderDecl(MMToken::UmbrellaKeyword, UmbrellaLoc); |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 1664 | else |
| 1665 | parseUmbrellaDirDecl(UmbrellaLoc); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1666 | break; |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 1667 | } |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1668 | |
| 1669 | case MMToken::ExcludeKeyword: |
| 1670 | parseHeaderDecl(MMToken::ExcludeKeyword, consumeToken()); |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 1671 | break; |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1672 | |
| 1673 | case MMToken::PrivateKeyword: |
| 1674 | parseHeaderDecl(MMToken::PrivateKeyword, consumeToken()); |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1675 | break; |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1676 | |
Douglas Gregor | 322f633 | 2011-12-08 18:00:48 +0000 | [diff] [blame] | 1677 | case MMToken::HeaderKeyword: |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1678 | parseHeaderDecl(MMToken::HeaderKeyword, consumeToken()); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1679 | break; |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 1680 | |
| 1681 | case MMToken::LinkKeyword: |
| 1682 | parseLinkDecl(); |
| 1683 | break; |
| 1684 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1685 | default: |
| 1686 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_member); |
| 1687 | consumeToken(); |
| 1688 | break; |
| 1689 | } |
| 1690 | } while (!Done); |
| 1691 | |
| 1692 | if (Tok.is(MMToken::RBrace)) |
| 1693 | consumeToken(); |
| 1694 | else { |
| 1695 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_rbrace); |
| 1696 | Diags.Report(LBraceLoc, diag::note_mmap_lbrace_match); |
| 1697 | HadError = true; |
| 1698 | } |
| 1699 | |
Douglas Gregor | 11dfe6f | 2013-01-14 17:57:51 +0000 | [diff] [blame] | 1700 | // If the active module is a top-level framework, and there are no link |
| 1701 | // libraries, automatically link against the framework. |
| 1702 | if (ActiveModule->IsFramework && !ActiveModule->isSubFramework() && |
| 1703 | ActiveModule->LinkLibraries.empty()) { |
| 1704 | inferFrameworkLink(ActiveModule, Directory, SourceMgr.getFileManager()); |
| 1705 | } |
| 1706 | |
Ben Langmuir | ec8c975 | 2014-04-18 22:07:31 +0000 | [diff] [blame] | 1707 | // If the module meets all requirements but is still unavailable, mark the |
| 1708 | // whole tree as unavailable to prevent it from building. |
| 1709 | if (!ActiveModule->IsAvailable && !ActiveModule->IsMissingRequirement && |
| 1710 | ActiveModule->Parent) { |
| 1711 | ActiveModule->getTopLevelModule()->markUnavailable(); |
| 1712 | ActiveModule->getTopLevelModule()->MissingHeaders.append( |
| 1713 | ActiveModule->MissingHeaders.begin(), ActiveModule->MissingHeaders.end()); |
| 1714 | } |
| 1715 | |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1716 | // We're done parsing this module. Pop back to the previous module. |
| 1717 | ActiveModule = PreviousActiveModule; |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1718 | } |
Douglas Gregor | f2161a7 | 2011-12-06 17:16:41 +0000 | [diff] [blame] | 1719 | |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1720 | /// \brief Parse an extern module declaration. |
| 1721 | /// |
| 1722 | /// extern module-declaration: |
| 1723 | /// 'extern' 'module' module-id string-literal |
| 1724 | void ModuleMapParser::parseExternModuleDecl() { |
| 1725 | assert(Tok.is(MMToken::ExternKeyword)); |
Richard Smith | ae6df27 | 2015-07-14 02:06:01 +0000 | [diff] [blame] | 1726 | SourceLocation ExternLoc = consumeToken(); // 'extern' keyword |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1727 | |
| 1728 | // Parse 'module' keyword. |
| 1729 | if (!Tok.is(MMToken::ModuleKeyword)) { |
| 1730 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_module); |
| 1731 | consumeToken(); |
| 1732 | HadError = true; |
| 1733 | return; |
| 1734 | } |
| 1735 | consumeToken(); // 'module' keyword |
| 1736 | |
| 1737 | // Parse the module name. |
| 1738 | ModuleId Id; |
| 1739 | if (parseModuleId(Id)) { |
| 1740 | HadError = true; |
| 1741 | return; |
| 1742 | } |
| 1743 | |
| 1744 | // Parse the referenced module map file name. |
| 1745 | if (!Tok.is(MMToken::StringLiteral)) { |
| 1746 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_mmap_file); |
| 1747 | HadError = true; |
| 1748 | return; |
| 1749 | } |
| 1750 | std::string FileName = Tok.getString(); |
| 1751 | consumeToken(); // filename |
| 1752 | |
| 1753 | StringRef FileNameRef = FileName; |
| 1754 | SmallString<128> ModuleMapFileName; |
| 1755 | if (llvm::sys::path::is_relative(FileNameRef)) { |
| 1756 | ModuleMapFileName += Directory->getName(); |
| 1757 | llvm::sys::path::append(ModuleMapFileName, FileName); |
Yaron Keren | 92e1b62 | 2015-03-18 10:17:07 +0000 | [diff] [blame] | 1758 | FileNameRef = ModuleMapFileName; |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1759 | } |
| 1760 | if (const FileEntry *File = SourceMgr.getFileManager().getFile(FileNameRef)) |
Richard Smith | 9acb99e3 | 2014-12-10 03:09:48 +0000 | [diff] [blame] | 1761 | Map.parseModuleMapFile( |
| 1762 | File, /*IsSystem=*/false, |
| 1763 | Map.HeaderInfo.getHeaderSearchOpts().ModuleMapFileHomeIsCwd |
| 1764 | ? Directory |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 1765 | : File->getDir(), |
| 1766 | FileID(), nullptr, ExternLoc); |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 1767 | } |
| 1768 | |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 1769 | /// Whether to add the requirement \p Feature to the module \p M. |
| 1770 | /// |
| 1771 | /// This preserves backwards compatibility for two hacks in the Darwin system |
| 1772 | /// module map files: |
| 1773 | /// |
| 1774 | /// 1. The use of 'requires excluded' to make headers non-modular, which |
| 1775 | /// should really be mapped to 'textual' now that we have this feature. We |
| 1776 | /// drop the 'excluded' requirement, and set \p IsRequiresExcludedHack to |
| 1777 | /// true. Later, this bit will be used to map all the headers inside this |
| 1778 | /// module to 'textual'. |
| 1779 | /// |
| 1780 | /// This affects Darwin.C.excluded (for assert.h) and Tcl.Private. |
| 1781 | /// |
| 1782 | /// 2. Removes a bogus cplusplus requirement from IOKit.avc. This requirement |
| 1783 | /// was never correct and causes issues now that we check it, so drop it. |
| 1784 | static bool shouldAddRequirement(Module *M, StringRef Feature, |
| 1785 | bool &IsRequiresExcludedHack) { |
Benjamin Kramer | 8013e81 | 2016-11-15 18:56:39 +0000 | [diff] [blame] | 1786 | if (Feature == "excluded" && |
| 1787 | (M->fullModuleNameIs({"Darwin", "C", "excluded"}) || |
| 1788 | M->fullModuleNameIs({"Tcl", "Private"}))) { |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 1789 | IsRequiresExcludedHack = true; |
| 1790 | return false; |
Benjamin Kramer | 8013e81 | 2016-11-15 18:56:39 +0000 | [diff] [blame] | 1791 | } else if (Feature == "cplusplus" && M->fullModuleNameIs({"IOKit", "avc"})) { |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 1792 | return false; |
| 1793 | } |
| 1794 | |
| 1795 | return true; |
| 1796 | } |
| 1797 | |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1798 | /// \brief Parse a requires declaration. |
| 1799 | /// |
| 1800 | /// requires-declaration: |
| 1801 | /// 'requires' feature-list |
| 1802 | /// |
| 1803 | /// feature-list: |
Richard Smith | a3feee2 | 2013-10-28 22:18:19 +0000 | [diff] [blame] | 1804 | /// feature ',' feature-list |
| 1805 | /// feature |
| 1806 | /// |
| 1807 | /// feature: |
| 1808 | /// '!'[opt] identifier |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1809 | void ModuleMapParser::parseRequiresDecl() { |
| 1810 | assert(Tok.is(MMToken::RequiresKeyword)); |
| 1811 | |
| 1812 | // Parse 'requires' keyword. |
| 1813 | consumeToken(); |
| 1814 | |
| 1815 | // Parse the feature-list. |
| 1816 | do { |
Richard Smith | a3feee2 | 2013-10-28 22:18:19 +0000 | [diff] [blame] | 1817 | bool RequiredState = true; |
| 1818 | if (Tok.is(MMToken::Exclaim)) { |
| 1819 | RequiredState = false; |
| 1820 | consumeToken(); |
| 1821 | } |
| 1822 | |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1823 | if (!Tok.is(MMToken::Identifier)) { |
| 1824 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_feature); |
| 1825 | HadError = true; |
| 1826 | return; |
| 1827 | } |
| 1828 | |
| 1829 | // Consume the feature name. |
| 1830 | std::string Feature = Tok.getString(); |
| 1831 | consumeToken(); |
| 1832 | |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 1833 | bool IsRequiresExcludedHack = false; |
| 1834 | bool ShouldAddRequirement = |
| 1835 | shouldAddRequirement(ActiveModule, Feature, IsRequiresExcludedHack); |
| 1836 | |
| 1837 | if (IsRequiresExcludedHack) |
| 1838 | UsesRequiresExcludedHack.insert(ActiveModule); |
| 1839 | |
| 1840 | if (ShouldAddRequirement) { |
| 1841 | // Add this feature. |
| 1842 | ActiveModule->addRequirement(Feature, RequiredState, Map.LangOpts, |
| 1843 | *Map.Target); |
| 1844 | } |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1845 | |
| 1846 | if (!Tok.is(MMToken::Comma)) |
| 1847 | break; |
| 1848 | |
| 1849 | // Consume the comma. |
| 1850 | consumeToken(); |
| 1851 | } while (true); |
| 1852 | } |
| 1853 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1854 | /// \brief Parse a header declaration. |
| 1855 | /// |
| 1856 | /// header-declaration: |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 1857 | /// 'textual'[opt] 'header' string-literal |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1858 | /// 'private' 'textual'[opt] 'header' string-literal |
| 1859 | /// 'exclude' 'header' string-literal |
| 1860 | /// 'umbrella' 'header' string-literal |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 1861 | /// |
| 1862 | /// FIXME: Support 'private textual header'. |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1863 | void ModuleMapParser::parseHeaderDecl(MMToken::TokenKind LeadingToken, |
| 1864 | SourceLocation LeadingLoc) { |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1865 | // We've already consumed the first token. |
| 1866 | ModuleMap::ModuleHeaderRole Role = ModuleMap::NormalHeader; |
| 1867 | if (LeadingToken == MMToken::PrivateKeyword) { |
| 1868 | Role = ModuleMap::PrivateHeader; |
| 1869 | // 'private' may optionally be followed by 'textual'. |
| 1870 | if (Tok.is(MMToken::TextualKeyword)) { |
| 1871 | LeadingToken = Tok.Kind; |
| 1872 | consumeToken(); |
| 1873 | } |
| 1874 | } |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 1875 | |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1876 | if (LeadingToken == MMToken::TextualKeyword) |
| 1877 | Role = ModuleMap::ModuleHeaderRole(Role | ModuleMap::TextualHeader); |
| 1878 | |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 1879 | if (UsesRequiresExcludedHack.count(ActiveModule)) { |
| 1880 | // Mark this header 'textual' (see doc comment for |
| 1881 | // Module::UsesRequiresExcludedHack). |
| 1882 | Role = ModuleMap::ModuleHeaderRole(Role | ModuleMap::TextualHeader); |
| 1883 | } |
| 1884 | |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1885 | if (LeadingToken != MMToken::HeaderKeyword) { |
| 1886 | if (!Tok.is(MMToken::HeaderKeyword)) { |
| 1887 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_header) |
| 1888 | << (LeadingToken == MMToken::PrivateKeyword ? "private" : |
| 1889 | LeadingToken == MMToken::ExcludeKeyword ? "exclude" : |
| 1890 | LeadingToken == MMToken::TextualKeyword ? "textual" : "umbrella"); |
| 1891 | return; |
| 1892 | } |
| 1893 | consumeToken(); |
| 1894 | } |
Benjamin Kramer | 1871ed3 | 2011-11-13 16:52:09 +0000 | [diff] [blame] | 1895 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1896 | // Parse the header name. |
| 1897 | if (!Tok.is(MMToken::StringLiteral)) { |
| 1898 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_header) |
| 1899 | << "header"; |
| 1900 | HadError = true; |
| 1901 | return; |
| 1902 | } |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 1903 | Module::UnresolvedHeaderDirective Header; |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 1904 | Header.FileName = Tok.getString(); |
| 1905 | Header.FileNameLoc = consumeToken(); |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 1906 | Header.IsUmbrella = LeadingToken == MMToken::UmbrellaKeyword; |
Bruno Cardoso Lopes | 08ebd61 | 2017-03-21 16:43:51 +0000 | [diff] [blame] | 1907 | |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 1908 | // Check whether we already have an umbrella. |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 1909 | if (Header.IsUmbrella && ActiveModule->Umbrella) { |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 1910 | Diags.Report(Header.FileNameLoc, diag::err_mmap_umbrella_clash) |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 1911 | << ActiveModule->getFullModuleName(); |
Douglas Gregor | 322f633 | 2011-12-08 18:00:48 +0000 | [diff] [blame] | 1912 | HadError = true; |
| 1913 | return; |
| 1914 | } |
| 1915 | |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 1916 | // Look for this file by name if we don't have any stat information. |
| 1917 | SmallString<128> RelativePathName, BuiltinPathName; |
| 1918 | const FileEntry *File = |
| 1919 | Map.resolveHeader(ActiveModule, Header, RelativePathName); |
| 1920 | const FileEntry *BuiltinFile = |
| 1921 | Map.resolveAsBuiltinHeader(ActiveModule, Header, BuiltinPathName); |
Bruno Cardoso Lopes | 08ebd61 | 2017-03-21 16:43:51 +0000 | [diff] [blame] | 1922 | |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 1923 | // If Clang supplies this header but the underlying system does not, |
| 1924 | // just silently swap in our builtin version. Otherwise, we'll end |
| 1925 | // up adding both (later). |
| 1926 | if (BuiltinFile && !File) { |
| 1927 | RelativePathName = BuiltinPathName; |
| 1928 | File = BuiltinFile; |
| 1929 | BuiltinFile = nullptr; |
Douglas Gregor | f545f67 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 1930 | } |
Richard Smith | 3c1a41a | 2014-12-02 00:08:08 +0000 | [diff] [blame] | 1931 | |
Douglas Gregor | 5257fc6 | 2011-11-11 21:55:48 +0000 | [diff] [blame] | 1932 | // FIXME: We shouldn't be eagerly stat'ing every file named in a module map. |
| 1933 | // Come up with a lazy way to do this. |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 1934 | if (File) { |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 1935 | if (Header.IsUmbrella) { |
Douglas Gregor | 322f633 | 2011-12-08 18:00:48 +0000 | [diff] [blame] | 1936 | const DirectoryEntry *UmbrellaDir = File->getDir(); |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 1937 | if (Module *UmbrellaModule = Map.UmbrellaDirs[UmbrellaDir]) { |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1938 | Diags.Report(LeadingLoc, diag::err_mmap_umbrella_clash) |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 1939 | << UmbrellaModule->getFullModuleName(); |
Douglas Gregor | 322f633 | 2011-12-08 18:00:48 +0000 | [diff] [blame] | 1940 | HadError = true; |
| 1941 | } else { |
| 1942 | // Record this umbrella header. |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 1943 | Map.setUmbrellaHeader(ActiveModule, File, RelativePathName.str()); |
Douglas Gregor | 322f633 | 2011-12-08 18:00:48 +0000 | [diff] [blame] | 1944 | } |
Richard Smith | feb54b6 | 2014-10-23 02:01:19 +0000 | [diff] [blame] | 1945 | } else if (LeadingToken == MMToken::ExcludeKeyword) { |
Hans Wennborg | 0101b54 | 2014-12-02 02:13:09 +0000 | [diff] [blame] | 1946 | Module::Header H = {RelativePathName.str(), File}; |
| 1947 | Map.excludeHeader(ActiveModule, H); |
Douglas Gregor | 5257fc6 | 2011-11-11 21:55:48 +0000 | [diff] [blame] | 1948 | } else { |
Richard Smith | 15881ed | 2016-10-26 01:08:55 +0000 | [diff] [blame] | 1949 | // If there is a builtin counterpart to this file, add it now so it can |
| 1950 | // wrap the system header. |
Hans Wennborg | 0101b54 | 2014-12-02 02:13:09 +0000 | [diff] [blame] | 1951 | if (BuiltinFile) { |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 1952 | Module::Header H = { BuiltinPathName.str(), BuiltinFile }; |
Richard Smith | 15881ed | 2016-10-26 01:08:55 +0000 | [diff] [blame] | 1953 | Map.addHeader(ActiveModule, H, Role); |
| 1954 | |
| 1955 | // If we have both a builtin and system version of the file, the |
| 1956 | // builtin version may want to inject macros into the system header, so |
| 1957 | // force the system header to be treated as a textual header in this |
| 1958 | // case. |
| 1959 | Role = ModuleMap::ModuleHeaderRole(Role | ModuleMap::TextualHeader); |
Hans Wennborg | 0101b54 | 2014-12-02 02:13:09 +0000 | [diff] [blame] | 1960 | } |
Richard Smith | 25d5075 | 2014-10-20 00:15:49 +0000 | [diff] [blame] | 1961 | |
Richard Smith | 202210b | 2014-10-24 20:23:01 +0000 | [diff] [blame] | 1962 | // Record this header. |
Hans Wennborg | 0101b54 | 2014-12-02 02:13:09 +0000 | [diff] [blame] | 1963 | Module::Header H = { RelativePathName.str(), File }; |
| 1964 | Map.addHeader(ActiveModule, H, Role); |
Douglas Gregor | 5257fc6 | 2011-11-11 21:55:48 +0000 | [diff] [blame] | 1965 | } |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 1966 | } else if (LeadingToken != MMToken::ExcludeKeyword) { |
Douglas Gregor | 4b27a64 | 2012-11-15 19:47:16 +0000 | [diff] [blame] | 1967 | // Ignore excluded header files. They're optional anyway. |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 1968 | |
| 1969 | // If we find a module that has a missing header, we mark this module as |
| 1970 | // unavailable and store the header directive for displaying diagnostics. |
Ben Langmuir | ec8c975 | 2014-04-18 22:07:31 +0000 | [diff] [blame] | 1971 | ActiveModule->markUnavailable(); |
Daniel Jasper | 0761a8a | 2013-12-17 10:31:37 +0000 | [diff] [blame] | 1972 | ActiveModule->MissingHeaders.push_back(Header); |
Douglas Gregor | 5257fc6 | 2011-11-11 21:55:48 +0000 | [diff] [blame] | 1973 | } |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 1974 | } |
| 1975 | |
Ben Langmuir | 41f8199 | 2015-08-13 17:30:07 +0000 | [diff] [blame] | 1976 | static int compareModuleHeaders(const Module::Header *A, |
| 1977 | const Module::Header *B) { |
| 1978 | return A->NameAsWritten.compare(B->NameAsWritten); |
| 1979 | } |
| 1980 | |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 1981 | /// \brief Parse an umbrella directory declaration. |
| 1982 | /// |
| 1983 | /// umbrella-dir-declaration: |
| 1984 | /// umbrella string-literal |
| 1985 | void ModuleMapParser::parseUmbrellaDirDecl(SourceLocation UmbrellaLoc) { |
| 1986 | // Parse the directory name. |
| 1987 | if (!Tok.is(MMToken::StringLiteral)) { |
| 1988 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_header) |
| 1989 | << "umbrella"; |
| 1990 | HadError = true; |
| 1991 | return; |
| 1992 | } |
| 1993 | |
| 1994 | std::string DirName = Tok.getString(); |
| 1995 | SourceLocation DirNameLoc = consumeToken(); |
| 1996 | |
| 1997 | // Check whether we already have an umbrella. |
| 1998 | if (ActiveModule->Umbrella) { |
| 1999 | Diags.Report(DirNameLoc, diag::err_mmap_umbrella_clash) |
| 2000 | << ActiveModule->getFullModuleName(); |
| 2001 | HadError = true; |
| 2002 | return; |
| 2003 | } |
| 2004 | |
| 2005 | // Look for this file. |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 2006 | const DirectoryEntry *Dir = nullptr; |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 2007 | if (llvm::sys::path::is_absolute(DirName)) |
| 2008 | Dir = SourceMgr.getFileManager().getDirectory(DirName); |
| 2009 | else { |
Dylan Noblesmith | 2c1dd27 | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 2010 | SmallString<128> PathName; |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 2011 | PathName = Directory->getName(); |
| 2012 | llvm::sys::path::append(PathName, DirName); |
| 2013 | Dir = SourceMgr.getFileManager().getDirectory(PathName); |
| 2014 | } |
| 2015 | |
| 2016 | if (!Dir) { |
Vassil Vassilev | a0320b9 | 2017-04-18 20:57:29 +0000 | [diff] [blame] | 2017 | Diags.Report(DirNameLoc, diag::warn_mmap_umbrella_dir_not_found) |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 2018 | << DirName; |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 2019 | return; |
| 2020 | } |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 2021 | |
| 2022 | if (UsesRequiresExcludedHack.count(ActiveModule)) { |
| 2023 | // Mark this header 'textual' (see doc comment for |
| 2024 | // ModuleMapParser::UsesRequiresExcludedHack). Although iterating over the |
| 2025 | // directory is relatively expensive, in practice this only applies to the |
| 2026 | // uncommonly used Tcl module on Darwin platforms. |
| 2027 | std::error_code EC; |
| 2028 | SmallVector<Module::Header, 6> Headers; |
Bruno Cardoso Lopes | b171a59 | 2016-05-16 16:46:01 +0000 | [diff] [blame] | 2029 | vfs::FileSystem &FS = *SourceMgr.getFileManager().getVirtualFileSystem(); |
| 2030 | for (vfs::recursive_directory_iterator I(FS, Dir->getName(), EC), E; |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 2031 | I != E && !EC; I.increment(EC)) { |
Bruno Cardoso Lopes | b171a59 | 2016-05-16 16:46:01 +0000 | [diff] [blame] | 2032 | if (const FileEntry *FE = |
| 2033 | SourceMgr.getFileManager().getFile(I->getName())) { |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 2034 | |
Bruno Cardoso Lopes | b171a59 | 2016-05-16 16:46:01 +0000 | [diff] [blame] | 2035 | Module::Header Header = {I->getName(), FE}; |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 2036 | Headers.push_back(std::move(Header)); |
| 2037 | } |
| 2038 | } |
| 2039 | |
| 2040 | // Sort header paths so that the pcm doesn't depend on iteration order. |
Ben Langmuir | 41f8199 | 2015-08-13 17:30:07 +0000 | [diff] [blame] | 2041 | llvm::array_pod_sort(Headers.begin(), Headers.end(), compareModuleHeaders); |
| 2042 | |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 2043 | for (auto &Header : Headers) |
| 2044 | Map.addHeader(ActiveModule, std::move(Header), ModuleMap::TextualHeader); |
| 2045 | return; |
| 2046 | } |
| 2047 | |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 2048 | if (Module *OwningModule = Map.UmbrellaDirs[Dir]) { |
| 2049 | Diags.Report(UmbrellaLoc, diag::err_mmap_umbrella_clash) |
| 2050 | << OwningModule->getFullModuleName(); |
| 2051 | HadError = true; |
| 2052 | return; |
Ben Langmuir | 7ff2914 | 2015-08-13 17:13:33 +0000 | [diff] [blame] | 2053 | } |
| 2054 | |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 2055 | // Record this umbrella directory. |
Richard Smith | 2b63d15 | 2015-05-16 02:28:53 +0000 | [diff] [blame] | 2056 | Map.setUmbrellaDir(ActiveModule, Dir, DirName); |
Douglas Gregor | 524e33e | 2011-12-08 19:11:24 +0000 | [diff] [blame] | 2057 | } |
| 2058 | |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 2059 | /// \brief Parse a module export declaration. |
| 2060 | /// |
| 2061 | /// export-declaration: |
| 2062 | /// 'export' wildcard-module-id |
| 2063 | /// |
| 2064 | /// wildcard-module-id: |
| 2065 | /// identifier |
| 2066 | /// '*' |
| 2067 | /// identifier '.' wildcard-module-id |
| 2068 | void ModuleMapParser::parseExportDecl() { |
| 2069 | assert(Tok.is(MMToken::ExportKeyword)); |
| 2070 | SourceLocation ExportLoc = consumeToken(); |
| 2071 | |
| 2072 | // Parse the module-id with an optional wildcard at the end. |
| 2073 | ModuleId ParsedModuleId; |
| 2074 | bool Wildcard = false; |
| 2075 | do { |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 2076 | // FIXME: Support string-literal module names here. |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 2077 | if (Tok.is(MMToken::Identifier)) { |
| 2078 | ParsedModuleId.push_back(std::make_pair(Tok.getString(), |
| 2079 | Tok.getLocation())); |
| 2080 | consumeToken(); |
| 2081 | |
| 2082 | if (Tok.is(MMToken::Period)) { |
| 2083 | consumeToken(); |
| 2084 | continue; |
| 2085 | } |
| 2086 | |
| 2087 | break; |
| 2088 | } |
| 2089 | |
| 2090 | if(Tok.is(MMToken::Star)) { |
| 2091 | Wildcard = true; |
Douglas Gregor | f5eedd0 | 2011-12-05 17:28:06 +0000 | [diff] [blame] | 2092 | consumeToken(); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 2093 | break; |
| 2094 | } |
| 2095 | |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 2096 | Diags.Report(Tok.getLocation(), diag::err_mmap_module_id); |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 2097 | HadError = true; |
| 2098 | return; |
| 2099 | } while (true); |
| 2100 | |
| 2101 | Module::UnresolvedExportDecl Unresolved = { |
| 2102 | ExportLoc, ParsedModuleId, Wildcard |
| 2103 | }; |
| 2104 | ActiveModule->UnresolvedExports.push_back(Unresolved); |
| 2105 | } |
| 2106 | |
Richard Smith | 8f4d3ff | 2015-03-26 22:10:01 +0000 | [diff] [blame] | 2107 | /// \brief Parse a module use declaration. |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 2108 | /// |
Richard Smith | 8f4d3ff | 2015-03-26 22:10:01 +0000 | [diff] [blame] | 2109 | /// use-declaration: |
| 2110 | /// 'use' wildcard-module-id |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 2111 | void ModuleMapParser::parseUseDecl() { |
| 2112 | assert(Tok.is(MMToken::UseKeyword)); |
Richard Smith | 8f4d3ff | 2015-03-26 22:10:01 +0000 | [diff] [blame] | 2113 | auto KWLoc = consumeToken(); |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 2114 | // Parse the module-id. |
| 2115 | ModuleId ParsedModuleId; |
Daniel Jasper | 3cd34c7 | 2013-12-06 09:25:54 +0000 | [diff] [blame] | 2116 | parseModuleId(ParsedModuleId); |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 2117 | |
Richard Smith | 8f4d3ff | 2015-03-26 22:10:01 +0000 | [diff] [blame] | 2118 | if (ActiveModule->Parent) |
| 2119 | Diags.Report(KWLoc, diag::err_mmap_use_decl_submodule); |
| 2120 | else |
| 2121 | ActiveModule->UnresolvedDirectUses.push_back(ParsedModuleId); |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 2122 | } |
| 2123 | |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 2124 | /// \brief Parse a link declaration. |
| 2125 | /// |
| 2126 | /// module-declaration: |
| 2127 | /// 'link' 'framework'[opt] string-literal |
| 2128 | void ModuleMapParser::parseLinkDecl() { |
| 2129 | assert(Tok.is(MMToken::LinkKeyword)); |
| 2130 | SourceLocation LinkLoc = consumeToken(); |
| 2131 | |
| 2132 | // Parse the optional 'framework' keyword. |
| 2133 | bool IsFramework = false; |
| 2134 | if (Tok.is(MMToken::FrameworkKeyword)) { |
| 2135 | consumeToken(); |
| 2136 | IsFramework = true; |
| 2137 | } |
| 2138 | |
| 2139 | // Parse the library name |
| 2140 | if (!Tok.is(MMToken::StringLiteral)) { |
| 2141 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_library_name) |
| 2142 | << IsFramework << SourceRange(LinkLoc); |
| 2143 | HadError = true; |
| 2144 | return; |
| 2145 | } |
| 2146 | |
| 2147 | std::string LibraryName = Tok.getString(); |
| 2148 | consumeToken(); |
| 2149 | ActiveModule->LinkLibraries.push_back(Module::LinkLibrary(LibraryName, |
| 2150 | IsFramework)); |
| 2151 | } |
| 2152 | |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2153 | /// \brief Parse a configuration macro declaration. |
| 2154 | /// |
| 2155 | /// module-declaration: |
| 2156 | /// 'config_macros' attributes[opt] config-macro-list? |
| 2157 | /// |
| 2158 | /// config-macro-list: |
| 2159 | /// identifier (',' identifier)? |
| 2160 | void ModuleMapParser::parseConfigMacros() { |
| 2161 | assert(Tok.is(MMToken::ConfigMacros)); |
| 2162 | SourceLocation ConfigMacrosLoc = consumeToken(); |
| 2163 | |
| 2164 | // Only top-level modules can have configuration macros. |
| 2165 | if (ActiveModule->Parent) { |
| 2166 | Diags.Report(ConfigMacrosLoc, diag::err_mmap_config_macro_submodule); |
| 2167 | } |
| 2168 | |
| 2169 | // Parse the optional attributes. |
| 2170 | Attributes Attrs; |
Davide Italiano | 5d29dee | 2016-03-06 04:20:05 +0000 | [diff] [blame] | 2171 | if (parseOptionalAttributes(Attrs)) |
| 2172 | return; |
| 2173 | |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2174 | if (Attrs.IsExhaustive && !ActiveModule->Parent) { |
| 2175 | ActiveModule->ConfigMacrosExhaustive = true; |
| 2176 | } |
| 2177 | |
| 2178 | // If we don't have an identifier, we're done. |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 2179 | // FIXME: Support macros with the same name as a keyword here. |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2180 | if (!Tok.is(MMToken::Identifier)) |
| 2181 | return; |
| 2182 | |
| 2183 | // Consume the first identifier. |
| 2184 | if (!ActiveModule->Parent) { |
| 2185 | ActiveModule->ConfigMacros.push_back(Tok.getString().str()); |
| 2186 | } |
| 2187 | consumeToken(); |
| 2188 | |
| 2189 | do { |
| 2190 | // If there's a comma, consume it. |
| 2191 | if (!Tok.is(MMToken::Comma)) |
| 2192 | break; |
| 2193 | consumeToken(); |
| 2194 | |
| 2195 | // We expect to see a macro name here. |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 2196 | // FIXME: Support macros with the same name as a keyword here. |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2197 | if (!Tok.is(MMToken::Identifier)) { |
| 2198 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_config_macro); |
| 2199 | break; |
| 2200 | } |
| 2201 | |
| 2202 | // Consume the macro name. |
| 2203 | if (!ActiveModule->Parent) { |
| 2204 | ActiveModule->ConfigMacros.push_back(Tok.getString().str()); |
| 2205 | } |
| 2206 | consumeToken(); |
| 2207 | } while (true); |
| 2208 | } |
| 2209 | |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 2210 | /// \brief Format a module-id into a string. |
| 2211 | static std::string formatModuleId(const ModuleId &Id) { |
| 2212 | std::string result; |
| 2213 | { |
| 2214 | llvm::raw_string_ostream OS(result); |
| 2215 | |
| 2216 | for (unsigned I = 0, N = Id.size(); I != N; ++I) { |
| 2217 | if (I) |
| 2218 | OS << "."; |
| 2219 | OS << Id[I].first; |
| 2220 | } |
| 2221 | } |
| 2222 | |
| 2223 | return result; |
| 2224 | } |
| 2225 | |
| 2226 | /// \brief Parse a conflict declaration. |
| 2227 | /// |
| 2228 | /// module-declaration: |
| 2229 | /// 'conflict' module-id ',' string-literal |
| 2230 | void ModuleMapParser::parseConflict() { |
| 2231 | assert(Tok.is(MMToken::Conflict)); |
| 2232 | SourceLocation ConflictLoc = consumeToken(); |
| 2233 | Module::UnresolvedConflict Conflict; |
| 2234 | |
| 2235 | // Parse the module-id. |
| 2236 | if (parseModuleId(Conflict.Id)) |
| 2237 | return; |
| 2238 | |
| 2239 | // Parse the ','. |
| 2240 | if (!Tok.is(MMToken::Comma)) { |
| 2241 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_conflicts_comma) |
| 2242 | << SourceRange(ConflictLoc); |
| 2243 | return; |
| 2244 | } |
| 2245 | consumeToken(); |
| 2246 | |
| 2247 | // Parse the message. |
| 2248 | if (!Tok.is(MMToken::StringLiteral)) { |
| 2249 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_conflicts_message) |
| 2250 | << formatModuleId(Conflict.Id); |
| 2251 | return; |
| 2252 | } |
| 2253 | Conflict.Message = Tok.getString().str(); |
| 2254 | consumeToken(); |
| 2255 | |
| 2256 | // Add this unresolved conflict. |
| 2257 | ActiveModule->UnresolvedConflicts.push_back(Conflict); |
| 2258 | } |
| 2259 | |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 2260 | /// \brief Parse an inferred module declaration (wildcard modules). |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2261 | /// |
| 2262 | /// module-declaration: |
| 2263 | /// 'explicit'[opt] 'framework'[opt] 'module' * attributes[opt] |
| 2264 | /// { inferred-module-member* } |
| 2265 | /// |
| 2266 | /// inferred-module-member: |
| 2267 | /// 'export' '*' |
| 2268 | /// 'exclude' identifier |
| 2269 | void ModuleMapParser::parseInferredModuleDecl(bool Framework, bool Explicit) { |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2270 | assert(Tok.is(MMToken::Star)); |
| 2271 | SourceLocation StarLoc = consumeToken(); |
| 2272 | bool Failed = false; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2273 | |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2274 | // Inferred modules must be submodules. |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2275 | if (!ActiveModule && !Framework) { |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2276 | Diags.Report(StarLoc, diag::err_mmap_top_level_inferred_submodule); |
| 2277 | Failed = true; |
| 2278 | } |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2279 | |
| 2280 | if (ActiveModule) { |
| 2281 | // Inferred modules must have umbrella directories. |
Ben Langmuir | 4898cde | 2014-04-21 19:49:57 +0000 | [diff] [blame] | 2282 | if (!Failed && ActiveModule->IsAvailable && |
| 2283 | !ActiveModule->getUmbrellaDir()) { |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2284 | Diags.Report(StarLoc, diag::err_mmap_inferred_no_umbrella); |
| 2285 | Failed = true; |
| 2286 | } |
| 2287 | |
| 2288 | // Check for redefinition of an inferred module. |
| 2289 | if (!Failed && ActiveModule->InferSubmodules) { |
| 2290 | Diags.Report(StarLoc, diag::err_mmap_inferred_redef); |
| 2291 | if (ActiveModule->InferredSubmoduleLoc.isValid()) |
| 2292 | Diags.Report(ActiveModule->InferredSubmoduleLoc, |
| 2293 | diag::note_mmap_prev_definition); |
| 2294 | Failed = true; |
| 2295 | } |
| 2296 | |
| 2297 | // Check for the 'framework' keyword, which is not permitted here. |
| 2298 | if (Framework) { |
| 2299 | Diags.Report(StarLoc, diag::err_mmap_inferred_framework_submodule); |
| 2300 | Framework = false; |
| 2301 | } |
| 2302 | } else if (Explicit) { |
| 2303 | Diags.Report(StarLoc, diag::err_mmap_explicit_inferred_framework); |
| 2304 | Explicit = false; |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2305 | } |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2306 | |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2307 | // If there were any problems with this inferred submodule, skip its body. |
| 2308 | if (Failed) { |
| 2309 | if (Tok.is(MMToken::LBrace)) { |
| 2310 | consumeToken(); |
| 2311 | skipUntil(MMToken::RBrace); |
| 2312 | if (Tok.is(MMToken::RBrace)) |
| 2313 | consumeToken(); |
| 2314 | } |
| 2315 | HadError = true; |
| 2316 | return; |
| 2317 | } |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2318 | |
| 2319 | // Parse optional attributes. |
Bill Wendling | 4442605 | 2012-12-20 19:22:21 +0000 | [diff] [blame] | 2320 | Attributes Attrs; |
Davide Italiano | 5d29dee | 2016-03-06 04:20:05 +0000 | [diff] [blame] | 2321 | if (parseOptionalAttributes(Attrs)) |
| 2322 | return; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2323 | |
| 2324 | if (ActiveModule) { |
| 2325 | // Note that we have an inferred submodule. |
| 2326 | ActiveModule->InferSubmodules = true; |
| 2327 | ActiveModule->InferredSubmoduleLoc = StarLoc; |
| 2328 | ActiveModule->InferExplicitSubmodules = Explicit; |
| 2329 | } else { |
| 2330 | // We'll be inferring framework modules for this directory. |
| 2331 | Map.InferredDirectories[Directory].InferModules = true; |
Ben Langmuir | c1d88ea | 2015-01-13 17:47:44 +0000 | [diff] [blame] | 2332 | Map.InferredDirectories[Directory].Attrs = Attrs; |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 2333 | Map.InferredDirectories[Directory].ModuleMapFile = ModuleMapFile; |
Richard Smith | 131daca | 2014-03-06 21:59:38 +0000 | [diff] [blame] | 2334 | // FIXME: Handle the 'framework' keyword. |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2335 | } |
| 2336 | |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2337 | // Parse the opening brace. |
| 2338 | if (!Tok.is(MMToken::LBrace)) { |
| 2339 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_lbrace_wildcard); |
| 2340 | HadError = true; |
| 2341 | return; |
| 2342 | } |
| 2343 | SourceLocation LBraceLoc = consumeToken(); |
| 2344 | |
| 2345 | // Parse the body of the inferred submodule. |
| 2346 | bool Done = false; |
| 2347 | do { |
| 2348 | switch (Tok.Kind) { |
| 2349 | case MMToken::EndOfFile: |
| 2350 | case MMToken::RBrace: |
| 2351 | Done = true; |
| 2352 | break; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2353 | |
| 2354 | case MMToken::ExcludeKeyword: { |
| 2355 | if (ActiveModule) { |
| 2356 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_inferred_member) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 2357 | << (ActiveModule != nullptr); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2358 | consumeToken(); |
| 2359 | break; |
| 2360 | } |
| 2361 | |
| 2362 | consumeToken(); |
Richard Smith | 306d892 | 2014-10-22 23:50:56 +0000 | [diff] [blame] | 2363 | // FIXME: Support string-literal module names here. |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2364 | if (!Tok.is(MMToken::Identifier)) { |
| 2365 | Diags.Report(Tok.getLocation(), diag::err_mmap_missing_exclude_name); |
| 2366 | break; |
| 2367 | } |
| 2368 | |
| 2369 | Map.InferredDirectories[Directory].ExcludedModules |
| 2370 | .push_back(Tok.getString()); |
| 2371 | consumeToken(); |
| 2372 | break; |
| 2373 | } |
| 2374 | |
| 2375 | case MMToken::ExportKeyword: |
| 2376 | if (!ActiveModule) { |
| 2377 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_inferred_member) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 2378 | << (ActiveModule != nullptr); |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2379 | consumeToken(); |
| 2380 | break; |
| 2381 | } |
| 2382 | |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2383 | consumeToken(); |
| 2384 | if (Tok.is(MMToken::Star)) |
Douglas Gregor | dd005f6 | 2011-12-06 17:34:58 +0000 | [diff] [blame] | 2385 | ActiveModule->InferExportWildcard = true; |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2386 | else |
| 2387 | Diags.Report(Tok.getLocation(), |
| 2388 | diag::err_mmap_expected_export_wildcard); |
| 2389 | consumeToken(); |
| 2390 | break; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2391 | |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2392 | case MMToken::ExplicitKeyword: |
| 2393 | case MMToken::ModuleKeyword: |
| 2394 | case MMToken::HeaderKeyword: |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 2395 | case MMToken::PrivateKeyword: |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2396 | case MMToken::UmbrellaKeyword: |
| 2397 | default: |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2398 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_inferred_member) |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 2399 | << (ActiveModule != nullptr); |
Douglas Gregor | 7344109 | 2011-12-05 22:27:44 +0000 | [diff] [blame] | 2400 | consumeToken(); |
| 2401 | break; |
| 2402 | } |
| 2403 | } while (!Done); |
| 2404 | |
| 2405 | if (Tok.is(MMToken::RBrace)) |
| 2406 | consumeToken(); |
| 2407 | else { |
| 2408 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_rbrace); |
| 2409 | Diags.Report(LBraceLoc, diag::note_mmap_lbrace_match); |
| 2410 | HadError = true; |
| 2411 | } |
| 2412 | } |
| 2413 | |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2414 | /// \brief Parse optional attributes. |
| 2415 | /// |
| 2416 | /// attributes: |
| 2417 | /// attribute attributes |
| 2418 | /// attribute |
| 2419 | /// |
| 2420 | /// attribute: |
| 2421 | /// [ identifier ] |
| 2422 | /// |
| 2423 | /// \param Attrs Will be filled in with the parsed attributes. |
| 2424 | /// |
| 2425 | /// \returns true if an error occurred, false otherwise. |
Bill Wendling | 4442605 | 2012-12-20 19:22:21 +0000 | [diff] [blame] | 2426 | bool ModuleMapParser::parseOptionalAttributes(Attributes &Attrs) { |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2427 | bool HadError = false; |
| 2428 | |
| 2429 | while (Tok.is(MMToken::LSquare)) { |
| 2430 | // Consume the '['. |
| 2431 | SourceLocation LSquareLoc = consumeToken(); |
| 2432 | |
| 2433 | // Check whether we have an attribute name here. |
| 2434 | if (!Tok.is(MMToken::Identifier)) { |
| 2435 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_attribute); |
| 2436 | skipUntil(MMToken::RSquare); |
| 2437 | if (Tok.is(MMToken::RSquare)) |
| 2438 | consumeToken(); |
| 2439 | HadError = true; |
| 2440 | } |
| 2441 | |
| 2442 | // Decode the attribute name. |
| 2443 | AttributeKind Attribute |
| 2444 | = llvm::StringSwitch<AttributeKind>(Tok.getString()) |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2445 | .Case("exhaustive", AT_exhaustive) |
Richard Smith | 7794486 | 2014-03-02 05:58:18 +0000 | [diff] [blame] | 2446 | .Case("extern_c", AT_extern_c) |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 2447 | .Case("no_undeclared_includes", AT_no_undeclared_includes) |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2448 | .Case("system", AT_system) |
| 2449 | .Default(AT_unknown); |
| 2450 | switch (Attribute) { |
| 2451 | case AT_unknown: |
| 2452 | Diags.Report(Tok.getLocation(), diag::warn_mmap_unknown_attribute) |
| 2453 | << Tok.getString(); |
| 2454 | break; |
| 2455 | |
| 2456 | case AT_system: |
| 2457 | Attrs.IsSystem = true; |
| 2458 | break; |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2459 | |
Richard Smith | 7794486 | 2014-03-02 05:58:18 +0000 | [diff] [blame] | 2460 | case AT_extern_c: |
| 2461 | Attrs.IsExternC = true; |
| 2462 | break; |
| 2463 | |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2464 | case AT_exhaustive: |
| 2465 | Attrs.IsExhaustive = true; |
| 2466 | break; |
Bruno Cardoso Lopes | ed84df0 | 2016-10-21 01:41:56 +0000 | [diff] [blame] | 2467 | |
| 2468 | case AT_no_undeclared_includes: |
| 2469 | Attrs.NoUndeclaredIncludes = true; |
| 2470 | break; |
Douglas Gregor | 9194a91 | 2012-11-06 19:39:40 +0000 | [diff] [blame] | 2471 | } |
| 2472 | consumeToken(); |
| 2473 | |
| 2474 | // Consume the ']'. |
| 2475 | if (!Tok.is(MMToken::RSquare)) { |
| 2476 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_rsquare); |
| 2477 | Diags.Report(LSquareLoc, diag::note_mmap_lsquare_match); |
| 2478 | skipUntil(MMToken::RSquare); |
| 2479 | HadError = true; |
| 2480 | } |
| 2481 | |
| 2482 | if (Tok.is(MMToken::RSquare)) |
| 2483 | consumeToken(); |
| 2484 | } |
| 2485 | |
| 2486 | return HadError; |
| 2487 | } |
| 2488 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2489 | /// \brief Parse a module map file. |
| 2490 | /// |
| 2491 | /// module-map-file: |
| 2492 | /// module-declaration* |
| 2493 | bool ModuleMapParser::parseModuleMapFile() { |
| 2494 | do { |
| 2495 | switch (Tok.Kind) { |
| 2496 | case MMToken::EndOfFile: |
| 2497 | return HadError; |
| 2498 | |
Douglas Gregor | e7ab366 | 2011-12-07 02:23:45 +0000 | [diff] [blame] | 2499 | case MMToken::ExplicitKeyword: |
Daniel Jasper | 9729284 | 2013-09-11 07:20:44 +0000 | [diff] [blame] | 2500 | case MMToken::ExternKeyword: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2501 | case MMToken::ModuleKeyword: |
Douglas Gregor | 755b205 | 2011-11-17 22:09:43 +0000 | [diff] [blame] | 2502 | case MMToken::FrameworkKeyword: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2503 | parseModuleDecl(); |
| 2504 | break; |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 2505 | |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 2506 | case MMToken::Comma: |
Douglas Gregor | 35b13ec | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 2507 | case MMToken::ConfigMacros: |
Douglas Gregor | fb91265 | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 2508 | case MMToken::Conflict: |
Richard Smith | a3feee2 | 2013-10-28 22:18:19 +0000 | [diff] [blame] | 2509 | case MMToken::Exclaim: |
Douglas Gregor | 5952766 | 2012-10-15 06:28:11 +0000 | [diff] [blame] | 2510 | case MMToken::ExcludeKeyword: |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 2511 | case MMToken::ExportKeyword: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2512 | case MMToken::HeaderKeyword: |
| 2513 | case MMToken::Identifier: |
| 2514 | case MMToken::LBrace: |
Douglas Gregor | 6ddfca9 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 2515 | case MMToken::LinkKeyword: |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 2516 | case MMToken::LSquare: |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 2517 | case MMToken::Period: |
Lawrence Crowl | b53e548 | 2013-06-20 21:14:14 +0000 | [diff] [blame] | 2518 | case MMToken::PrivateKeyword: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2519 | case MMToken::RBrace: |
Douglas Gregor | a686e1b | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 2520 | case MMToken::RSquare: |
Douglas Gregor | 1fb5c3a | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 2521 | case MMToken::RequiresKeyword: |
Douglas Gregor | 2b82c2a | 2011-12-02 01:47:07 +0000 | [diff] [blame] | 2522 | case MMToken::Star: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2523 | case MMToken::StringLiteral: |
Richard Smith | b8afebe | 2014-10-23 01:03:45 +0000 | [diff] [blame] | 2524 | case MMToken::TextualKeyword: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2525 | case MMToken::UmbrellaKeyword: |
Daniel Jasper | ba7f2f7 | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 2526 | case MMToken::UseKeyword: |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2527 | Diags.Report(Tok.getLocation(), diag::err_mmap_expected_module); |
| 2528 | HadError = true; |
| 2529 | consumeToken(); |
| 2530 | break; |
| 2531 | } |
| 2532 | } while (true); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2533 | } |
| 2534 | |
Richard Smith | 9acb99e3 | 2014-12-10 03:09:48 +0000 | [diff] [blame] | 2535 | bool ModuleMap::parseModuleMapFile(const FileEntry *File, bool IsSystem, |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 2536 | const DirectoryEntry *Dir, FileID ID, |
| 2537 | unsigned *Offset, |
Richard Smith | ae6df27 | 2015-07-14 02:06:01 +0000 | [diff] [blame] | 2538 | SourceLocation ExternModuleLoc) { |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 2539 | assert(Target && "Missing target information"); |
Douglas Gregor | 4ddf222 | 2013-01-10 01:43:00 +0000 | [diff] [blame] | 2540 | llvm::DenseMap<const FileEntry *, bool>::iterator Known |
| 2541 | = ParsedModuleMap.find(File); |
| 2542 | if (Known != ParsedModuleMap.end()) |
| 2543 | return Known->second; |
| 2544 | |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 2545 | // If the module map file wasn't already entered, do so now. |
| 2546 | if (ID.isInvalid()) { |
| 2547 | auto FileCharacter = IsSystem ? SrcMgr::C_System : SrcMgr::C_User; |
| 2548 | ID = SourceMgr.createFileID(File, ExternModuleLoc, FileCharacter); |
| 2549 | } |
| 2550 | |
Craig Topper | d2d442c | 2014-05-17 23:10:59 +0000 | [diff] [blame] | 2551 | assert(Target && "Missing target information"); |
Manuel Klimek | 1f76c4e | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 2552 | const llvm::MemoryBuffer *Buffer = SourceMgr.getBuffer(ID); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2553 | if (!Buffer) |
Douglas Gregor | 4ddf222 | 2013-01-10 01:43:00 +0000 | [diff] [blame] | 2554 | return ParsedModuleMap[File] = true; |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 2555 | assert((!Offset || *Offset <= Buffer->getBufferSize()) && |
| 2556 | "invalid buffer offset"); |
Ben Langmuir | 984e1df | 2014-03-19 20:23:34 +0000 | [diff] [blame] | 2557 | |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2558 | // Parse this module map file. |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 2559 | Lexer L(SourceMgr.getLocForStartOfFile(ID), MMapLangOpts, |
| 2560 | Buffer->getBufferStart(), |
| 2561 | Buffer->getBufferStart() + (Offset ? *Offset : 0), |
| 2562 | Buffer->getBufferEnd()); |
Richard Smith | 2a6edb3 | 2015-08-09 04:46:57 +0000 | [diff] [blame] | 2563 | SourceLocation Start = L.getSourceLocation(); |
Ben Langmuir | beee15e | 2014-04-14 18:00:01 +0000 | [diff] [blame] | 2564 | ModuleMapParser Parser(L, SourceMgr, Target, Diags, *this, File, Dir, |
Richard Smith | 1d60987 | 2017-05-26 00:01:53 +0000 | [diff] [blame^] | 2565 | IsSystem); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2566 | bool Result = Parser.parseModuleMapFile(); |
Douglas Gregor | 4ddf222 | 2013-01-10 01:43:00 +0000 | [diff] [blame] | 2567 | ParsedModuleMap[File] = Result; |
Richard Smith | 2a6edb3 | 2015-08-09 04:46:57 +0000 | [diff] [blame] | 2568 | |
Richard Smith | 8128f33 | 2017-05-05 22:18:51 +0000 | [diff] [blame] | 2569 | if (Offset) { |
| 2570 | auto Loc = SourceMgr.getDecomposedLoc(Parser.getLocation()); |
| 2571 | assert(Loc.first == ID && "stopped in a different file?"); |
| 2572 | *Offset = Loc.second; |
| 2573 | } |
| 2574 | |
Richard Smith | 2a6edb3 | 2015-08-09 04:46:57 +0000 | [diff] [blame] | 2575 | // Notify callbacks that we parsed it. |
| 2576 | for (const auto &Cb : Callbacks) |
| 2577 | Cb->moduleMapFileRead(Start, *File, IsSystem); |
Douglas Gregor | 718292f | 2011-11-11 19:10:28 +0000 | [diff] [blame] | 2578 | return Result; |
| 2579 | } |