blob: 35eec565f7ace75985e0063a42e106d182179fb7 [file] [log] [blame]
Nick Lewyckydf22c2c2010-07-25 03:12:58 +00001//===--- InitHeaderSearch.cpp - Initialize header search paths ------------===//
Nico Weber0fca0222008-08-22 09:25:22 +00002//
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 implements the InitHeaderSearch class.
11//
12//===----------------------------------------------------------------------===//
13
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000014#include "clang/Frontend/Utils.h"
Nico Weber0fca0222008-08-22 09:25:22 +000015#include "clang/Basic/FileManager.h"
16#include "clang/Basic/LangOptions.h"
Chandler Carruth55fc8732012-12-04 09:13:33 +000017#include "clang/Config/config.h" // C_INCLUDE_DIRS
Daniel Dunbar63c8b772009-11-07 04:20:50 +000018#include "clang/Lex/HeaderSearch.h"
Chandler Carruth55fc8732012-12-04 09:13:33 +000019#include "clang/Lex/HeaderSearchOptions.h"
Nico Weber0fca0222008-08-22 09:25:22 +000020#include "llvm/ADT/SmallPtrSet.h"
Chandler Carruth55fc8732012-12-04 09:13:33 +000021#include "llvm/ADT/SmallString.h"
Rafael Espindolaaadd7a42009-11-13 05:13:58 +000022#include "llvm/ADT/SmallVector.h"
Rafael Espindolaf0a2f512009-11-12 05:48:41 +000023#include "llvm/ADT/StringExtras.h"
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000024#include "llvm/ADT/Triple.h"
Benjamin Kramere89ba592009-12-08 12:38:20 +000025#include "llvm/ADT/Twine.h"
Chandler Carruthca234192011-11-04 23:49:05 +000026#include "llvm/Support/ErrorHandling.h"
Michael J. Spencer03013fa2010-11-29 18:12:39 +000027#include "llvm/Support/Path.h"
Chandler Carruth55fc8732012-12-04 09:13:33 +000028#include "llvm/Support/raw_ostream.h"
Dylan Noblesmith69d3b4f2012-02-01 14:25:28 +000029
Nico Weber0fca0222008-08-22 09:25:22 +000030using namespace clang;
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000031using namespace clang::frontend;
32
33namespace {
34
35/// InitHeaderSearch - This class makes it easier to set the search paths of
36/// a HeaderSearch object. InitHeaderSearch stores several search path lists
37/// internally, which can be sent to a HeaderSearch object in one swoop.
38class InitHeaderSearch {
Joerg Sonnenberger2df66472011-02-22 00:40:56 +000039 std::vector<std::pair<IncludeDirGroup, DirectoryLookup> > IncludePath;
40 typedef std::vector<std::pair<IncludeDirGroup,
41 DirectoryLookup> >::const_iterator path_iterator;
Richard Smithf122a132012-06-13 20:27:03 +000042 std::vector<std::pair<std::string, bool> > SystemHeaderPrefixes;
Chris Lattnerebb61642011-06-16 22:56:45 +000043 HeaderSearch &Headers;
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000044 bool Verbose;
Michael J. Spenceraf6530c2010-12-25 20:09:27 +000045 std::string IncludeSysroot;
Daniel Dunbarf85541c2013-01-29 23:59:43 +000046 bool HasSysroot;
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000047
48public:
49
Chris Lattner5f9e2722011-07-23 10:55:15 +000050 InitHeaderSearch(HeaderSearch &HS, bool verbose, StringRef sysroot)
Michael J. Spenceraf6530c2010-12-25 20:09:27 +000051 : Headers(HS), Verbose(verbose), IncludeSysroot(sysroot),
Daniel Dunbarf85541c2013-01-29 23:59:43 +000052 HasSysroot(!(sysroot.empty() || sysroot == "/")) {
Chandler Carruthc09265a2010-11-15 07:15:26 +000053 }
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000054
Daniel Dunbar9cd90a22013-01-30 01:06:03 +000055 /// AddPath - Add the specified path to the specified group list, prefixing
56 /// the sysroot if used.
57 void AddPath(const Twine &Path, IncludeDirGroup Group, bool isFramework);
58
59 /// AddUnmappedPath - Add the specified path to the specified group list,
60 /// without performing any sysroot remapping.
61 void AddUnmappedPath(const Twine &Path, IncludeDirGroup Group,
62 bool isFramework);
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000063
Richard Smithf122a132012-06-13 20:27:03 +000064 /// AddSystemHeaderPrefix - Add the specified prefix to the system header
65 /// prefix list.
66 void AddSystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader) {
67 SystemHeaderPrefixes.push_back(std::make_pair(Prefix, IsSystemHeader));
68 }
69
mike-ma6087372010-05-05 17:00:31 +000070 /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000071 /// libstdc++.
Chris Lattner5f9e2722011-07-23 10:55:15 +000072 void AddGnuCPlusPlusIncludePaths(StringRef Base,
73 StringRef ArchDir,
74 StringRef Dir32,
75 StringRef Dir64,
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000076 const llvm::Triple &triple);
77
Michael J. Spencer06a8dc62010-12-21 16:45:42 +000078 /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to support a MinGW
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000079 /// libstdc++.
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +000080 void AddMinGWCPlusPlusIncludePaths(StringRef Base,
81 StringRef Arch,
82 StringRef Version);
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000083
NAKAMURA Takumi9db48462011-03-15 02:32:36 +000084 /// AddMinGW64CXXPaths - Add the necessary paths to support
85 /// libstdc++ of x86_64-w64-mingw32 aka mingw-w64.
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +000086 void AddMinGW64CXXPaths(StringRef Base,
87 StringRef Version);
NAKAMURA Takumi9db48462011-03-15 02:32:36 +000088
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000089 // AddDefaultCIncludePaths - Add paths that should always be searched.
mike-m79bc57c2010-05-16 19:03:52 +000090 void AddDefaultCIncludePaths(const llvm::Triple &triple,
91 const HeaderSearchOptions &HSOpts);
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000092
93 // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when
94 // compiling c++.
Douglas Gregord944a9b2011-06-27 15:47:15 +000095 void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple,
96 const HeaderSearchOptions &HSOpts);
Daniel Dunbar2cdafa82009-11-09 23:02:47 +000097
98 /// AddDefaultSystemIncludePaths - Adds the default system include paths so
99 /// that e.g. stdio.h is found.
Daniel Dunbara268fc02011-10-11 18:20:10 +0000100 void AddDefaultIncludePaths(const LangOptions &Lang,
101 const llvm::Triple &triple,
102 const HeaderSearchOptions &HSOpts);
Daniel Dunbar2cdafa82009-11-09 23:02:47 +0000103
104 /// Realize - Merges all search path lists into one list and send it to
105 /// HeaderSearch.
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000106 void Realize(const LangOptions &Lang);
Daniel Dunbar2cdafa82009-11-09 23:02:47 +0000107};
108
Chris Lattnerebb61642011-06-16 22:56:45 +0000109} // end anonymous namespace.
Nico Weber0fca0222008-08-22 09:25:22 +0000110
Daniel Dunbar49ffaef2013-01-29 23:59:37 +0000111static bool CanPrefixSysroot(StringRef Path) {
112#if defined(_WIN32)
113 return !Path.empty() && llvm::sys::path::is_separator(Path[0]);
114#else
115 return llvm::sys::path::is_absolute(Path);
116#endif
117}
118
Daniel Dunbaref845542013-01-30 00:19:24 +0000119void InitHeaderSearch::AddPath(const Twine &Path, IncludeDirGroup Group,
Daniel Dunbar9cd90a22013-01-30 01:06:03 +0000120 bool isFramework) {
121 // Add the path with sysroot prepended, if desired and this is a system header
122 // group.
123 if (HasSysroot) {
124 SmallString<256> MappedPathStorage;
125 StringRef MappedPathStr = Path.toStringRef(MappedPathStorage);
126 if (CanPrefixSysroot(MappedPathStr)) {
127 AddUnmappedPath(IncludeSysroot + Path, Group, isFramework);
128 return;
129 }
130 }
Mike Stump1eb44332009-09-09 15:08:12 +0000131
Daniel Dunbar9cd90a22013-01-30 01:06:03 +0000132 AddUnmappedPath(Path, Group, isFramework);
133}
134
135void InitHeaderSearch::AddUnmappedPath(const Twine &Path, IncludeDirGroup Group,
136 bool isFramework) {
137 assert(!Path.isTriviallyEmpty() && "can't handle empty path here");
138
139 FileManager &FM = Headers.getFileMgr();
Dylan Noblesmithf7ccbad2012-02-05 02:13:05 +0000140 SmallString<256> MappedPathStorage;
Chris Lattner5f9e2722011-07-23 10:55:15 +0000141 StringRef MappedPathStr = Path.toStringRef(MappedPathStorage);
Mike Stump1eb44332009-09-09 15:08:12 +0000142
Nico Weber0fca0222008-08-22 09:25:22 +0000143 // Compute the DirectoryLookup type.
Chris Lattner9d728512008-10-27 01:19:25 +0000144 SrcMgr::CharacteristicKind Type;
Daniel Dunbaref845542013-01-30 00:19:24 +0000145 if (Group == Quoted || Group == Angled || Group == IndexHeaderMap) {
Chris Lattner0b9e7362008-09-26 21:18:42 +0000146 Type = SrcMgr::C_User;
Daniel Dunbaref845542013-01-30 00:19:24 +0000147 } else if (Group == ExternCSystem) {
Chris Lattner0b9e7362008-09-26 21:18:42 +0000148 Type = SrcMgr::C_ExternCSystem;
Daniel Dunbaref845542013-01-30 00:19:24 +0000149 } else {
150 Type = SrcMgr::C_System;
151 }
Mike Stump1eb44332009-09-09 15:08:12 +0000152
Nico Weber0fca0222008-08-22 09:25:22 +0000153 // If the directory exists, add it.
Chris Lattner39b49bc2010-11-23 08:35:12 +0000154 if (const DirectoryEntry *DE = FM.getDirectory(MappedPathStr)) {
Daniel Dunbar1ea6bc02013-01-25 01:50:28 +0000155 IncludePath.push_back(
156 std::make_pair(Group, DirectoryLookup(DE, Type, isFramework)));
Nico Weber0fca0222008-08-22 09:25:22 +0000157 return;
158 }
Mike Stump1eb44332009-09-09 15:08:12 +0000159
Nico Weber0fca0222008-08-22 09:25:22 +0000160 // Check to see if this is an apple-style headermap (which are not allowed to
161 // be frameworks).
162 if (!isFramework) {
Chris Lattner39b49bc2010-11-23 08:35:12 +0000163 if (const FileEntry *FE = FM.getFile(MappedPathStr)) {
Nico Weber0fca0222008-08-22 09:25:22 +0000164 if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) {
165 // It is a headermap, add it to the search path.
Daniel Dunbar1ea6bc02013-01-25 01:50:28 +0000166 IncludePath.push_back(
167 std::make_pair(Group,
168 DirectoryLookup(HM, Type, Group == IndexHeaderMap)));
Nico Weber0fca0222008-08-22 09:25:22 +0000169 return;
170 }
171 }
172 }
Mike Stump1eb44332009-09-09 15:08:12 +0000173
Nico Weber0fca0222008-08-22 09:25:22 +0000174 if (Verbose)
Chandler Carruthf3721452010-11-15 00:48:13 +0000175 llvm::errs() << "ignoring nonexistent directory \""
176 << MappedPathStr << "\"\n";
Nico Weber0fca0222008-08-22 09:25:22 +0000177}
178
Chris Lattner5f9e2722011-07-23 10:55:15 +0000179void InitHeaderSearch::AddGnuCPlusPlusIncludePaths(StringRef Base,
180 StringRef ArchDir,
181 StringRef Dir32,
182 StringRef Dir64,
Rafael Espindola31b63be2009-10-14 17:09:44 +0000183 const llvm::Triple &triple) {
Rafael Espindola6ec18a32009-11-23 16:31:19 +0000184 // Add the base dir
Daniel Dunbaref845542013-01-30 00:19:24 +0000185 AddPath(Base, CXXSystem, false);
Rafael Espindolaab7ae952009-11-16 19:49:37 +0000186
187 // Add the multilib dirs
Rafael Espindola31b63be2009-10-14 17:09:44 +0000188 llvm::Triple::ArchType arch = triple.getArch();
189 bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64;
Rafael Espindola31b63be2009-10-14 17:09:44 +0000190 if (is64bit)
Daniel Dunbaref845542013-01-30 00:19:24 +0000191 AddPath(Base + "/" + ArchDir + "/" + Dir64, CXXSystem, false);
Rafael Espindola31b63be2009-10-14 17:09:44 +0000192 else
Daniel Dunbaref845542013-01-30 00:19:24 +0000193 AddPath(Base + "/" + ArchDir + "/" + Dir32, CXXSystem, false);
Rafael Espindola6ec18a32009-11-23 16:31:19 +0000194
195 // Add the backward dir
Daniel Dunbaref845542013-01-30 00:19:24 +0000196 AddPath(Base + "/backward", CXXSystem, false);
Rafael Espindola2e9f6522009-10-06 01:33:02 +0000197}
Nico Weber0fca0222008-08-22 09:25:22 +0000198
Aaron Ballmanb3656d32012-03-25 15:47:41 +0000199void InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(StringRef Base,
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000200 StringRef Arch,
201 StringRef Version) {
202 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++",
Daniel Dunbaref845542013-01-30 00:19:24 +0000203 CXXSystem, false);
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000204 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/" + Arch,
Daniel Dunbaref845542013-01-30 00:19:24 +0000205 CXXSystem, false);
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000206 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward",
Daniel Dunbaref845542013-01-30 00:19:24 +0000207 CXXSystem, false);
Aaron Ballmanb3656d32012-03-25 15:47:41 +0000208}
209
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000210void InitHeaderSearch::AddMinGW64CXXPaths(StringRef Base,
211 StringRef Version) {
Douglas Gregord944a9b2011-06-27 15:47:15 +0000212 // Assumes Base is HeaderSearchOpts' ResourceDir
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000213 AddPath(Base + "/../../../include/c++/" + Version,
Daniel Dunbaref845542013-01-30 00:19:24 +0000214 CXXSystem, false);
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000215 AddPath(Base + "/../../../include/c++/" + Version + "/x86_64-w64-mingw32",
Daniel Dunbaref845542013-01-30 00:19:24 +0000216 CXXSystem, false);
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000217 AddPath(Base + "/../../../include/c++/" + Version + "/i686-w64-mingw32",
Daniel Dunbaref845542013-01-30 00:19:24 +0000218 CXXSystem, false);
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000219 AddPath(Base + "/../../../include/c++/" + Version + "/backward",
Daniel Dunbaref845542013-01-30 00:19:24 +0000220 CXXSystem, false);
NAKAMURA Takumi9db48462011-03-15 02:32:36 +0000221}
222
mike-m79bc57c2010-05-16 19:03:52 +0000223void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
224 const HeaderSearchOptions &HSOpts) {
Benjamin Kramer8e50a962011-02-02 18:59:27 +0000225 llvm::Triple::OSType os = triple.getOS();
226
Daniel Dunbara268fc02011-10-11 18:20:10 +0000227 if (HSOpts.UseStandardSystemIncludes) {
228 switch (os) {
229 case llvm::Triple::FreeBSD:
230 case llvm::Triple::NetBSD:
Hans Wennborg9d82a032012-08-02 12:27:08 +0000231 case llvm::Triple::OpenBSD:
Eli Friedman42f74f22012-08-08 23:57:20 +0000232 case llvm::Triple::Bitrig:
Daniel Dunbara268fc02011-10-11 18:20:10 +0000233 break;
234 default:
235 // FIXME: temporary hack: hard-coded paths.
Daniel Dunbaref845542013-01-30 00:19:24 +0000236 AddPath("/usr/local/include", System, false);
Daniel Dunbara268fc02011-10-11 18:20:10 +0000237 break;
238 }
Benjamin Kramer8e50a962011-02-02 18:59:27 +0000239 }
mike-m79bc57c2010-05-16 19:03:52 +0000240
241 // Builtin includes use #include_next directives and should be positioned
242 // just prior C include dirs.
243 if (HSOpts.UseBuiltinIncludes) {
244 // Ignore the sys root, we *always* look for clang headers relative to
245 // supplied path.
246 llvm::sys::Path P(HSOpts.ResourceDir);
247 P.appendComponent("include");
Daniel Dunbar9cd90a22013-01-30 01:06:03 +0000248 AddUnmappedPath(P.str(), ExternCSystem, false);
mike-m79bc57c2010-05-16 19:03:52 +0000249 }
250
Daniel Dunbara268fc02011-10-11 18:20:10 +0000251 // All remaining additions are for system include directories, early exit if
252 // we aren't using them.
253 if (!HSOpts.UseStandardSystemIncludes)
254 return;
255
mike-m79bc57c2010-05-16 19:03:52 +0000256 // Add dirs specified via 'configure --with-c-include-dirs'.
Chris Lattner5f9e2722011-07-23 10:55:15 +0000257 StringRef CIncludeDirs(C_INCLUDE_DIRS);
Daniel Dunbarc7064682009-11-12 07:28:29 +0000258 if (CIncludeDirs != "") {
Chris Lattner5f9e2722011-07-23 10:55:15 +0000259 SmallVector<StringRef, 5> dirs;
Rafael Espindolaaadd7a42009-11-13 05:13:58 +0000260 CIncludeDirs.split(dirs, ":");
Chris Lattner5f9e2722011-07-23 10:55:15 +0000261 for (SmallVectorImpl<StringRef>::iterator i = dirs.begin();
Rafael Espindolaaadd7a42009-11-13 05:13:58 +0000262 i != dirs.end();
NAKAMURA Takumi125b4cb2011-02-17 08:50:50 +0000263 ++i)
Daniel Dunbaref845542013-01-30 00:19:24 +0000264 AddPath(*i, ExternCSystem, false);
Rafael Espindolaf0a2f512009-11-12 05:48:41 +0000265 return;
266 }
Benjamin Kramer8e50a962011-02-02 18:59:27 +0000267
Mike Stump43d81762009-10-08 23:29:47 +0000268 switch (os) {
Chandler Carruth7d7e9f92011-11-05 20:17:13 +0000269 case llvm::Triple::Linux:
Chandler Carruthca234192011-11-04 23:49:05 +0000270 case llvm::Triple::Win32:
Chandler Carruth7d7e9f92011-11-05 20:17:13 +0000271 llvm_unreachable("Include management is handled in the driver.");
Chandler Carruthca234192011-11-04 23:49:05 +0000272
Chris Lattner86ed3a32010-04-11 19:29:39 +0000273 case llvm::Triple::Haiku:
Daniel Dunbaref845542013-01-30 00:19:24 +0000274 AddPath("/boot/common/include", System, false);
275 AddPath("/boot/develop/headers/os", System, false);
276 AddPath("/boot/develop/headers/os/app", System, false);
277 AddPath("/boot/develop/headers/os/arch", System, false);
278 AddPath("/boot/develop/headers/os/device", System, false);
279 AddPath("/boot/develop/headers/os/drivers", System, false);
280 AddPath("/boot/develop/headers/os/game", System, false);
281 AddPath("/boot/develop/headers/os/interface", System, false);
282 AddPath("/boot/develop/headers/os/kernel", System, false);
283 AddPath("/boot/develop/headers/os/locale", System, false);
284 AddPath("/boot/develop/headers/os/mail", System, false);
285 AddPath("/boot/develop/headers/os/media", System, false);
286 AddPath("/boot/develop/headers/os/midi", System, false);
287 AddPath("/boot/develop/headers/os/midi2", System, false);
288 AddPath("/boot/develop/headers/os/net", System, false);
289 AddPath("/boot/develop/headers/os/storage", System, false);
290 AddPath("/boot/develop/headers/os/support", System, false);
291 AddPath("/boot/develop/headers/os/translation", System, false);
292 AddPath("/boot/develop/headers/os/add-ons/graphics", System, false);
293 AddPath("/boot/develop/headers/os/add-ons/input_server", System, false);
294 AddPath("/boot/develop/headers/os/add-ons/screen_saver", System, false);
295 AddPath("/boot/develop/headers/os/add-ons/tracker", System, false);
296 AddPath("/boot/develop/headers/os/be_apps/Deskbar", System, false);
297 AddPath("/boot/develop/headers/os/be_apps/NetPositive", System, false);
298 AddPath("/boot/develop/headers/os/be_apps/Tracker", System, false);
299 AddPath("/boot/develop/headers/cpp", System, false);
300 AddPath("/boot/develop/headers/cpp/i586-pc-haiku", System, false);
301 AddPath("/boot/develop/headers/3rdparty", System, false);
302 AddPath("/boot/develop/headers/bsd", System, false);
303 AddPath("/boot/develop/headers/glibc", System, false);
304 AddPath("/boot/develop/headers/posix", System, false);
305 AddPath("/boot/develop/headers", System, false);
Eli Friedmana7e68452010-08-22 01:00:03 +0000306 break;
Douglas Gregordca52262011-07-01 22:41:14 +0000307 case llvm::Triple::RTEMS:
308 break;
NAKAMURA Takumi32df0022010-10-11 02:27:37 +0000309 case llvm::Triple::Cygwin:
Daniel Dunbaref845542013-01-30 00:19:24 +0000310 AddPath("/usr/include/w32api", System, false);
NAKAMURA Takumi32df0022010-10-11 02:27:37 +0000311 break;
Douglas Gregord944a9b2011-06-27 15:47:15 +0000312 case llvm::Triple::MinGW32: {
313 // mingw-w64 crt include paths
314 llvm::sys::Path P(HSOpts.ResourceDir);
315 P.appendComponent("../../../i686-w64-mingw32/include"); // <sysroot>/i686-w64-mingw32/include
Daniel Dunbaref845542013-01-30 00:19:24 +0000316 AddPath(P.str(), System, false);
Douglas Gregord944a9b2011-06-27 15:47:15 +0000317 P = llvm::sys::Path(HSOpts.ResourceDir);
318 P.appendComponent("../../../x86_64-w64-mingw32/include"); // <sysroot>/x86_64-w64-mingw32/include
Daniel Dunbaref845542013-01-30 00:19:24 +0000319 AddPath(P.str(), System, false);
Douglas Gregord944a9b2011-06-27 15:47:15 +0000320 // mingw.org crt include paths
321 P = llvm::sys::Path(HSOpts.ResourceDir);
322 P.appendComponent("../../../include"); // <sysroot>/include
Daniel Dunbaref845542013-01-30 00:19:24 +0000323 AddPath(P.str(), System, false);
324 AddPath("/mingw/include", System, false);
NAKAMURA Takumi1696bc22012-09-13 05:53:23 +0000325#if defined(_WIN32)
Daniel Dunbaref845542013-01-30 00:19:24 +0000326 AddPath("c:/mingw/include", System, false);
NAKAMURA Takumi1696bc22012-09-13 05:53:23 +0000327#endif
Douglas Gregord944a9b2011-06-27 15:47:15 +0000328 }
Mike Stump43d81762009-10-08 23:29:47 +0000329 break;
Douglas Gregord944a9b2011-06-27 15:47:15 +0000330
Mike Stump43d81762009-10-08 23:29:47 +0000331 default:
Mike Stump43d81762009-10-08 23:29:47 +0000332 break;
333 }
John Thompsond3f88342009-10-13 18:51:32 +0000334
Douglas Gregordca52262011-07-01 22:41:14 +0000335 if ( os != llvm::Triple::RTEMS )
Daniel Dunbaref845542013-01-30 00:19:24 +0000336 AddPath("/usr/include", ExternCSystem, false);
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000337}
338
Chris Lattner0e3cc052010-05-05 05:28:39 +0000339void InitHeaderSearch::
Douglas Gregord944a9b2011-06-27 15:47:15 +0000340AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) {
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000341 llvm::Triple::OSType os = triple.getOS();
342 // FIXME: temporary hack: hard-coded paths.
Daniel Dunbardb57a4c2011-04-19 21:43:27 +0000343
344 if (triple.isOSDarwin()) {
Daniel Dunbarf2070b32010-05-28 01:54:31 +0000345 switch (triple.getArch()) {
346 default: break;
347
NAKAMURA Takumi125b4cb2011-02-17 08:50:50 +0000348 case llvm::Triple::ppc:
Douglas Gregor582c3012010-05-29 01:15:12 +0000349 case llvm::Triple::ppc64:
Douglas Gregor616d4362010-05-29 01:21:11 +0000350 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
NAKAMURA Takumi125b4cb2011-02-17 08:50:50 +0000351 "powerpc-apple-darwin10", "", "ppc64",
Douglas Gregor616d4362010-05-29 01:21:11 +0000352 triple);
Douglas Gregor582c3012010-05-29 01:15:12 +0000353 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0",
NAKAMURA Takumi125b4cb2011-02-17 08:50:50 +0000354 "powerpc-apple-darwin10", "", "ppc64",
Douglas Gregor582c3012010-05-29 01:15:12 +0000355 triple);
356 break;
357
Daniel Dunbarf2070b32010-05-28 01:54:31 +0000358 case llvm::Triple::x86:
359 case llvm::Triple::x86_64:
360 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
361 "i686-apple-darwin10", "", "x86_64", triple);
362 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0",
363 "i686-apple-darwin8", "", "", triple);
364 break;
365
366 case llvm::Triple::arm:
367 case llvm::Triple::thumb:
368 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
369 "arm-apple-darwin10", "v7", "", triple);
370 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
371 "arm-apple-darwin10", "v6", "", triple);
372 break;
373 }
Daniel Dunbardb57a4c2011-04-19 21:43:27 +0000374 return;
375 }
376
377 switch (os) {
Chandler Carruth7d7e9f92011-11-05 20:17:13 +0000378 case llvm::Triple::Linux:
379 case llvm::Triple::Win32:
380 llvm_unreachable("Include management is handled in the driver.");
381
Daniel Dunbardb57a4c2011-04-19 21:43:27 +0000382 case llvm::Triple::Cygwin:
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000383 // Cygwin-1.7
384 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.5.3");
385 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.4");
386 // g++-4 / Cygwin-1.5
387 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.2");
Daniel Dunbardb57a4c2011-04-19 21:43:27 +0000388 break;
389 case llvm::Triple::MinGW32:
Douglas Gregord944a9b2011-06-27 15:47:15 +0000390 // mingw-w64 C++ include paths (i686-w64-mingw32 and x86_64-w64-mingw32)
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000391 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.0");
392 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.1");
393 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.2");
394 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.3");
395 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.4");
396 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.0");
397 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.1");
398 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.2");
399 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.3");
400 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.0");
Douglas Gregord944a9b2011-06-27 15:47:15 +0000401 // mingw.org C++ include paths
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000402 AddMinGWCPlusPlusIncludePaths("/mingw/lib/gcc", "mingw32", "4.5.2"); //MSYS
NAKAMURA Takumi1696bc22012-09-13 05:53:23 +0000403#if defined(_WIN32)
Aaron Ballmanb3dcbbd2012-03-25 22:46:17 +0000404 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.6.2");
405 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.6.1");
406 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.5.2");
407 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.5.0");
408 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0");
409 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0");
NAKAMURA Takumi1696bc22012-09-13 05:53:23 +0000410#endif
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000411 break;
Chris Lattner7a7ca282010-01-09 05:41:14 +0000412 case llvm::Triple::DragonFly:
Daniel Dunbaref845542013-01-30 00:19:24 +0000413 AddPath("/usr/include/c++/4.1", CXXSystem, false);
Chris Lattner7a7ca282010-01-09 05:41:14 +0000414 break;
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000415 case llvm::Triple::FreeBSD:
mike-mac78b7a2010-05-06 14:11:13 +0000416 // FreeBSD 8.0
417 // FreeBSD 7.3
Nuno Lopesafe859a2010-01-17 00:00:11 +0000418 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple);
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000419 break;
Anton Korobeynikovab079412010-08-31 22:39:50 +0000420 case llvm::Triple::NetBSD:
421 AddGnuCPlusPlusIncludePaths("/usr/include/g++", "", "", "", triple);
422 break;
Daniel Dunbar95c04572010-08-01 23:13:54 +0000423 case llvm::Triple::OpenBSD: {
424 std::string t = triple.getTriple();
425 if (t.substr(0, 6) == "x86_64")
426 t.replace(0, 6, "amd64");
427 AddGnuCPlusPlusIncludePaths("/usr/include/g++",
428 t, "", "", triple);
429 break;
430 }
Chris Lattner38e317d2010-07-07 16:01:42 +0000431 case llvm::Triple::Minix:
432 AddGnuCPlusPlusIncludePaths("/usr/gnu/include/c++/4.4.3",
433 "", "", "", triple);
434 break;
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000435 case llvm::Triple::Solaris:
David Chisnallb6229592012-02-15 18:24:31 +0000436 AddGnuCPlusPlusIncludePaths("/usr/gcc/4.5/include/c++/4.5.2/",
437 "i386-pc-solaris2.11", "", "", triple);
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000438 // Solaris - Fall though..
439 case llvm::Triple::AuroraUX:
440 // AuroraUX
441 AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4",
Rafael Espindolaab7ae952009-11-16 19:49:37 +0000442 "i386-pc-solaris2.11", "", "", triple);
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000443 break;
444 default:
445 break;
446 }
447}
448
Daniel Dunbara268fc02011-10-11 18:20:10 +0000449void InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang,
450 const llvm::Triple &triple,
mike-m79bc57c2010-05-16 19:03:52 +0000451 const HeaderSearchOptions &HSOpts) {
Chandler Carruthca234192011-11-04 23:49:05 +0000452 // NB: This code path is going away. All of the logic is moving into the
453 // driver which has the information necessary to do target-specific
454 // selections of default include paths. Each target which moves there will be
455 // exempted from this logic here until we can delete the entire pile of code.
456 switch (triple.getOS()) {
457 default:
458 break; // Everything else continues to use this routine's logic.
459
Chandler Carruth7d7e9f92011-11-05 20:17:13 +0000460 case llvm::Triple::Linux:
Chandler Carruthca234192011-11-04 23:49:05 +0000461 case llvm::Triple::Win32:
462 return;
463 }
464
Daniel Dunbara268fc02011-10-11 18:20:10 +0000465 if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes &&
466 HSOpts.UseStandardSystemIncludes) {
Douglas Gregorbaf41f12011-07-29 20:21:18 +0000467 if (HSOpts.UseLibcxx) {
468 if (triple.isOSDarwin()) {
469 // On Darwin, libc++ may be installed alongside the compiler in
470 // lib/c++/v1.
471 llvm::sys::Path P(HSOpts.ResourceDir);
472 if (!P.isEmpty()) {
473 P.eraseComponent(); // Remove version from foo/lib/clang/version
474 P.eraseComponent(); // Remove clang from foo/lib/clang
475
476 // Get foo/lib/c++/v1
477 P.appendComponent("c++");
478 P.appendComponent("v1");
Daniel Dunbar9cd90a22013-01-30 01:06:03 +0000479 AddUnmappedPath(P.str(), CXXSystem, false);
Douglas Gregorbaf41f12011-07-29 20:21:18 +0000480 }
481 }
David Chisnallb4f0bd62012-03-02 10:49:52 +0000482 // On Solaris, include the support directory for things like xlocale and
483 // fudged system headers.
484 if (triple.getOS() == llvm::Triple::Solaris)
Daniel Dunbaref845542013-01-30 00:19:24 +0000485 AddPath("/usr/include/c++/v1/support/solaris", CXXSystem, false);
Douglas Gregorbaf41f12011-07-29 20:21:18 +0000486
Daniel Dunbaref845542013-01-30 00:19:24 +0000487 AddPath("/usr/include/c++/v1", CXXSystem, false);
Daniel Dunbara268fc02011-10-11 18:20:10 +0000488 } else {
Douglas Gregord944a9b2011-06-27 15:47:15 +0000489 AddDefaultCPlusPlusIncludePaths(triple, HSOpts);
Daniel Dunbara268fc02011-10-11 18:20:10 +0000490 }
Bob Wilson13c4f212011-06-21 21:12:29 +0000491 }
Rafael Espindola6ec18a32009-11-23 16:31:19 +0000492
mike-m79bc57c2010-05-16 19:03:52 +0000493 AddDefaultCIncludePaths(triple, HSOpts);
Daniel Dunbare1665822009-11-07 04:20:39 +0000494
495 // Add the default framework include paths on Darwin.
Daniel Dunbara268fc02011-10-11 18:20:10 +0000496 if (HSOpts.UseStandardSystemIncludes) {
497 if (triple.isOSDarwin()) {
Daniel Dunbaref845542013-01-30 00:19:24 +0000498 AddPath("/System/Library/Frameworks", System, true);
499 AddPath("/Library/Frameworks", System, true);
Daniel Dunbara268fc02011-10-11 18:20:10 +0000500 }
Daniel Dunbare1665822009-11-07 04:20:39 +0000501 }
Rafael Espindolae4b255c2009-10-27 14:47:31 +0000502}
503
Nico Weber0fca0222008-08-22 09:25:22 +0000504/// RemoveDuplicates - If there are duplicate directory entries in the specified
Chad Rosiere305e812011-10-10 18:44:24 +0000505/// search list, remove the later (dead) ones. Returns the number of non-system
506/// headers removed, which is used to update NumAngled.
507static unsigned RemoveDuplicates(std::vector<DirectoryLookup> &SearchList,
508 unsigned First, bool Verbose) {
Nico Weber0fca0222008-08-22 09:25:22 +0000509 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs;
510 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs;
511 llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps;
Chad Rosiere305e812011-10-10 18:44:24 +0000512 unsigned NonSystemRemoved = 0;
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000513 for (unsigned i = First; i != SearchList.size(); ++i) {
Chris Lattner7a739402008-09-26 17:46:45 +0000514 unsigned DirToRemove = i;
Mike Stump1eb44332009-09-09 15:08:12 +0000515
Chris Lattner43eee072009-02-08 01:00:10 +0000516 const DirectoryLookup &CurEntry = SearchList[i];
Mike Stump1eb44332009-09-09 15:08:12 +0000517
Chris Lattner43eee072009-02-08 01:00:10 +0000518 if (CurEntry.isNormalDir()) {
Nico Weber0fca0222008-08-22 09:25:22 +0000519 // If this isn't the first time we've seen this dir, remove it.
Chris Lattner43eee072009-02-08 01:00:10 +0000520 if (SeenDirs.insert(CurEntry.getDir()))
Nico Weber0fca0222008-08-22 09:25:22 +0000521 continue;
Chris Lattner43eee072009-02-08 01:00:10 +0000522 } else if (CurEntry.isFramework()) {
Nico Weber0fca0222008-08-22 09:25:22 +0000523 // If this isn't the first time we've seen this framework dir, remove it.
Chris Lattner43eee072009-02-08 01:00:10 +0000524 if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir()))
Nico Weber0fca0222008-08-22 09:25:22 +0000525 continue;
Nico Weber0fca0222008-08-22 09:25:22 +0000526 } else {
Chris Lattner43eee072009-02-08 01:00:10 +0000527 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?");
Nico Weber0fca0222008-08-22 09:25:22 +0000528 // If this isn't the first time we've seen this headermap, remove it.
Chris Lattner43eee072009-02-08 01:00:10 +0000529 if (SeenHeaderMaps.insert(CurEntry.getHeaderMap()))
Nico Weber0fca0222008-08-22 09:25:22 +0000530 continue;
Chris Lattner30f05b52009-02-08 00:55:22 +0000531 }
Mike Stump1eb44332009-09-09 15:08:12 +0000532
Chris Lattner30f05b52009-02-08 00:55:22 +0000533 // If we have a normal #include dir/framework/headermap that is shadowed
534 // later in the chain by a system include location, we actually want to
535 // ignore the user's request and drop the user dir... keeping the system
536 // dir. This is weird, but required to emulate GCC's search path correctly.
537 //
538 // Since dupes of system dirs are rare, just rescan to find the original
539 // that we're nuking instead of using a DenseMap.
Chris Lattner43eee072009-02-08 01:00:10 +0000540 if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) {
Chris Lattner30f05b52009-02-08 00:55:22 +0000541 // Find the dir that this is the same of.
542 unsigned FirstDir;
543 for (FirstDir = 0; ; ++FirstDir) {
544 assert(FirstDir != i && "Didn't find dupe?");
Mike Stump1eb44332009-09-09 15:08:12 +0000545
Chris Lattner43eee072009-02-08 01:00:10 +0000546 const DirectoryLookup &SearchEntry = SearchList[FirstDir];
547
Chris Lattner30f05b52009-02-08 00:55:22 +0000548 // If these are different lookup types, then they can't be the dupe.
Chris Lattner43eee072009-02-08 01:00:10 +0000549 if (SearchEntry.getLookupType() != CurEntry.getLookupType())
Chris Lattner30f05b52009-02-08 00:55:22 +0000550 continue;
Mike Stump1eb44332009-09-09 15:08:12 +0000551
Chris Lattner30f05b52009-02-08 00:55:22 +0000552 bool isSame;
Chris Lattner43eee072009-02-08 01:00:10 +0000553 if (CurEntry.isNormalDir())
554 isSame = SearchEntry.getDir() == CurEntry.getDir();
555 else if (CurEntry.isFramework())
556 isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir();
Chris Lattner30f05b52009-02-08 00:55:22 +0000557 else {
Chris Lattner43eee072009-02-08 01:00:10 +0000558 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?");
559 isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap();
Chris Lattner30f05b52009-02-08 00:55:22 +0000560 }
Mike Stump1eb44332009-09-09 15:08:12 +0000561
Chris Lattner30f05b52009-02-08 00:55:22 +0000562 if (isSame)
563 break;
564 }
Mike Stump1eb44332009-09-09 15:08:12 +0000565
Chris Lattner30f05b52009-02-08 00:55:22 +0000566 // If the first dir in the search path is a non-system dir, zap it
567 // instead of the system one.
568 if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User)
569 DirToRemove = FirstDir;
570 }
571
572 if (Verbose) {
Daniel Dunbare7cb7e42009-12-03 09:14:02 +0000573 llvm::errs() << "ignoring duplicate directory \""
574 << CurEntry.getName() << "\"\n";
Chris Lattner30f05b52009-02-08 00:55:22 +0000575 if (DirToRemove != i)
Daniel Dunbare7cb7e42009-12-03 09:14:02 +0000576 llvm::errs() << " as it is a non-system directory that duplicates "
577 << "a system directory\n";
Nico Weber0fca0222008-08-22 09:25:22 +0000578 }
Chad Rosiere305e812011-10-10 18:44:24 +0000579 if (DirToRemove != i)
580 ++NonSystemRemoved;
Mike Stump1eb44332009-09-09 15:08:12 +0000581
Chris Lattner7a739402008-09-26 17:46:45 +0000582 // This is reached if the current entry is a duplicate. Remove the
583 // DirToRemove (usually the current dir).
584 SearchList.erase(SearchList.begin()+DirToRemove);
Nico Weber0fca0222008-08-22 09:25:22 +0000585 --i;
586 }
Chad Rosiere305e812011-10-10 18:44:24 +0000587 return NonSystemRemoved;
Nico Weber0fca0222008-08-22 09:25:22 +0000588}
589
590
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000591void InitHeaderSearch::Realize(const LangOptions &Lang) {
Nico Weber0fca0222008-08-22 09:25:22 +0000592 // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList.
593 std::vector<DirectoryLookup> SearchList;
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000594 SearchList.reserve(IncludePath.size());
Mike Stump1eb44332009-09-09 15:08:12 +0000595
Chris Lattnerebb61642011-06-16 22:56:45 +0000596 // Quoted arguments go first.
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000597 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end();
598 it != ie; ++it) {
599 if (it->first == Quoted)
600 SearchList.push_back(it->second);
601 }
Chris Lattnerebb61642011-06-16 22:56:45 +0000602 // Deduplicate and remember index.
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000603 RemoveDuplicates(SearchList, 0, Verbose);
Chris Lattnerebb61642011-06-16 22:56:45 +0000604 unsigned NumQuoted = SearchList.size();
Mike Stump1eb44332009-09-09 15:08:12 +0000605
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000606 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end();
607 it != ie; ++it) {
Douglas Gregor65e02fa2011-07-28 04:45:53 +0000608 if (it->first == Angled || it->first == IndexHeaderMap)
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000609 SearchList.push_back(it->second);
610 }
Chris Lattnerebb61642011-06-16 22:56:45 +0000611
612 RemoveDuplicates(SearchList, NumQuoted, Verbose);
613 unsigned NumAngled = SearchList.size();
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000614
615 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end();
616 it != ie; ++it) {
Daniel Dunbaref845542013-01-30 00:19:24 +0000617 if (it->first == System || it->first == ExternCSystem ||
Benjamin Kramer47adebe2011-09-22 21:41:16 +0000618 (!Lang.ObjC1 && !Lang.CPlusPlus && it->first == CSystem) ||
Benjamin Kramerc535d972011-09-23 02:25:14 +0000619 (/*FIXME !Lang.ObjC1 && */Lang.CPlusPlus && it->first == CXXSystem) ||
Benjamin Kramer47adebe2011-09-22 21:41:16 +0000620 (Lang.ObjC1 && !Lang.CPlusPlus && it->first == ObjCSystem) ||
621 (Lang.ObjC1 && Lang.CPlusPlus && it->first == ObjCXXSystem))
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000622 SearchList.push_back(it->second);
623 }
624
625 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end();
626 it != ie; ++it) {
627 if (it->first == After)
628 SearchList.push_back(it->second);
629 }
630
Chris Lattner1d7f12b2011-06-16 22:58:10 +0000631 // Remove duplicates across both the Angled and System directories. GCC does
632 // this and failing to remove duplicates across these two groups breaks
633 // #include_next.
Chad Rosiere305e812011-10-10 18:44:24 +0000634 unsigned NonSystemRemoved = RemoveDuplicates(SearchList, NumQuoted, Verbose);
635 NumAngled -= NonSystemRemoved;
Nico Weber0fca0222008-08-22 09:25:22 +0000636
637 bool DontSearchCurDir = false; // TODO: set to true if -I- is set?
Chris Lattnerebb61642011-06-16 22:56:45 +0000638 Headers.SetSearchPaths(SearchList, NumQuoted, NumAngled, DontSearchCurDir);
Nico Weber0fca0222008-08-22 09:25:22 +0000639
Richard Smithf122a132012-06-13 20:27:03 +0000640 Headers.SetSystemHeaderPrefixes(SystemHeaderPrefixes);
641
Nico Weber0fca0222008-08-22 09:25:22 +0000642 // If verbose, print the list of directories that will be searched.
643 if (Verbose) {
Daniel Dunbare7cb7e42009-12-03 09:14:02 +0000644 llvm::errs() << "#include \"...\" search starts here:\n";
Nico Weber0fca0222008-08-22 09:25:22 +0000645 for (unsigned i = 0, e = SearchList.size(); i != e; ++i) {
Chris Lattnerebb61642011-06-16 22:56:45 +0000646 if (i == NumQuoted)
Daniel Dunbare7cb7e42009-12-03 09:14:02 +0000647 llvm::errs() << "#include <...> search starts here:\n";
Nico Weber0fca0222008-08-22 09:25:22 +0000648 const char *Name = SearchList[i].getName();
649 const char *Suffix;
650 if (SearchList[i].isNormalDir())
651 Suffix = "";
652 else if (SearchList[i].isFramework())
653 Suffix = " (framework directory)";
654 else {
655 assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup");
656 Suffix = " (headermap)";
657 }
Daniel Dunbare7cb7e42009-12-03 09:14:02 +0000658 llvm::errs() << " " << Name << Suffix << "\n";
Nico Weber0fca0222008-08-22 09:25:22 +0000659 }
Daniel Dunbare7cb7e42009-12-03 09:14:02 +0000660 llvm::errs() << "End of search list.\n";
Nico Weber0fca0222008-08-22 09:25:22 +0000661 }
662}
Daniel Dunbar63c8b772009-11-07 04:20:50 +0000663
Daniel Dunbar5814e652009-11-11 21:44:21 +0000664void clang::ApplyHeaderSearchOptions(HeaderSearch &HS,
665 const HeaderSearchOptions &HSOpts,
666 const LangOptions &Lang,
Daniel Dunbar63c8b772009-11-07 04:20:50 +0000667 const llvm::Triple &Triple) {
668 InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot);
669
670 // Add the user defined entries.
671 for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) {
672 const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i];
Daniel Dunbar9cd90a22013-01-30 01:06:03 +0000673 if (E.IgnoreSysRoot) {
674 Init.AddUnmappedPath(E.Path, E.Group, E.IsFramework);
675 } else {
676 Init.AddPath(E.Path, E.Group, E.IsFramework);
677 }
Daniel Dunbar63c8b772009-11-07 04:20:50 +0000678 }
679
Daniel Dunbara268fc02011-10-11 18:20:10 +0000680 Init.AddDefaultIncludePaths(Lang, Triple, HSOpts);
Daniel Dunbar63c8b772009-11-07 04:20:50 +0000681
Richard Smithf122a132012-06-13 20:27:03 +0000682 for (unsigned i = 0, e = HSOpts.SystemHeaderPrefixes.size(); i != e; ++i)
683 Init.AddSystemHeaderPrefix(HSOpts.SystemHeaderPrefixes[i].Prefix,
684 HSOpts.SystemHeaderPrefixes[i].IsSystemHeader);
685
Douglas Gregor2f04f182012-02-02 18:42:48 +0000686 if (HSOpts.UseBuiltinIncludes) {
687 // Set up the builtin include directory in the module map.
688 llvm::sys::Path P(HSOpts.ResourceDir);
689 P.appendComponent("include");
690 if (const DirectoryEntry *Dir = HS.getFileMgr().getDirectory(P.str()))
691 HS.getModuleMap().setBuiltinIncludeDir(Dir);
692 }
693
Joerg Sonnenberger2df66472011-02-22 00:40:56 +0000694 Init.Realize(Lang);
Daniel Dunbar63c8b772009-11-07 04:20:50 +0000695}