driver.cpp revision f59edb96b2d0bfe612b732f19519ab84bb995bd4
13ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar//===-- driver.cpp - Clang GCC-Compatible Driver --------------------------===// 23ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// 33ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// The LLVM Compiler Infrastructure 43ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// 53ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// This file is distributed under the University of Illinois Open Source 63ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// License. See LICENSE.TXT for details. 73ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// 83ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar//===----------------------------------------------------------------------===// 93ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// 101eb4e64eed08837b85a375d6a953503daa844f07Daniel Dunbar// This is the entry point to the clang driver; it is a thin wrapper 111eb4e64eed08837b85a375d6a953503daa844f07Daniel Dunbar// for functionality in the Driver clang library. 123ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar// 133ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar//===----------------------------------------------------------------------===// 143ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 1502c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor#include "clang/Basic/DiagnosticOptions.h" 162dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Driver/ArgList.h" 173ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Compilation.h" 183ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Driver.h" 192dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Driver/OptTable.h" 20f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "clang/Driver/Option.h" 21f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "clang/Driver/Options.h" 222dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Frontend/CompilerInvocation.h" 23af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar#include "clang/Frontend/TextDiagnosticPrinter.h" 242dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Frontend/Utils.h" 257f9fc3f7ce076645cb6aefc99c64d9446caf13d6Chris Lattner#include "llvm/ADT/ArrayRef.h" 26f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/ADT/OwningPtr.h" 27510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar#include "llvm/ADT/SmallString.h" 288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/ADT/SmallVector.h" 298a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/ErrorHandling.h" 30fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer#include "llvm/Support/FileSystem.h" 31f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/Host.h" 328f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/ManagedStatic.h" 338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/MemoryBuffer.h" 3403013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Path.h" 35f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/PrettyStackTrace.h" 3603013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 37f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/Regex.h" 3803013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Signals.h" 39a6b4045dc462c03cd1e7cb9c3ec9dbfdb9c6ad62Evan Cheng#include "llvm/Support/TargetRegistry.h" 40a6b4045dc462c03cd1e7cb9c3ec9dbfdb9c6ad62Evan Cheng#include "llvm/Support/TargetSelect.h" 41f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/Timer.h" 42f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/raw_ostream.h" 433a321e23f66128dbb986343927456ff6702af617Michael J. Spencer#include "llvm/Support/system_error.h" 4443d013d7060e77f0d15faa9cff820c343ba5629aDouglas Gregor#include <cctype> 454ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 461b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 473ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 48aeed3da83c112d0649c30493c059314d85d99080Benjamin Kramerllvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 490f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 500f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 510f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 52734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 53734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 54734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 55734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 56734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 57734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 58237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 595f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef S) { 60ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 61ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 62ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 63ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 64ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 65ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 66ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 67ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 68ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 69e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 70e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 71ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 72ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 73ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 74ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 750de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 760de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 77ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 78ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 79ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 80ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 81ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 82ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 83ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 84ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 85e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 86e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 87e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 88e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 89e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 905f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ApplyOneQAOverride(raw_ostream &OS, 915f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &Args, 925f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Edit, 9330bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 94ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 95ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 96237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 97237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 980de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 99237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 100237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 101237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 102237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 1030de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 104237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 105237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 1060de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 1075f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner Edit.slice(2, Edit.size()-1).find('/') != StringRef::npos) { 1085f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef MatchPattern = Edit.substr(2).split('/').first; 1095f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef ReplPattern = Edit.substr(2).split('/').second; 1100de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 1110de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1120de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1130de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1140de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1150de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1160de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1170de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1180de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1190de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 120237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 122237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 135237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 139237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 140237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 141237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 142237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 143237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 144237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 145237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 146237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 147237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 148237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1490de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 150237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 151237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 152237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 153ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 154ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 155ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 156ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 1575f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ApplyQAOverride(SmallVectorImpl<const char*> &Args, 15830bc7e8e560941f730fd94109e81ac600767b0abChris Lattner const char *OverrideStr, 15930bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 1605f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream *OS = &llvm::errs(); 161237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 162e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 163e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 164e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 165e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 166e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 167e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 168ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 169ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 170ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 171ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 172ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 173ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 174ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 175ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 176ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 177e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 178ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 179ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 180ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 181ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 182ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 183ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 184c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 185545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 18641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbarextern int cc1as_main(const char **ArgBegin, const char **ArgEnd, 18741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar const char *Argv0, void *MainAddr); 188217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1898a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgsFromBuf(const char *Arg, 1905f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &ArgVector, 1918a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 1928a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *FName = Arg + 1; 1931e4c01b79273b9cd4e9e9ecfd3422df3900b8356Dylan Noblesmith OwningPtr<llvm::MemoryBuffer> MemBuf; 1944eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer if (llvm::MemoryBuffer::getFile(FName, MemBuf)) { 1958a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, Arg)); 1968a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola return; 1978a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 1988a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 1998a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Buf = MemBuf->getBufferStart(); 2008a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola char InQuote = ' '; 2018a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string CurArg; 2028a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2038a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (const char *P = Buf; ; ++P) { 2048a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0' || (isspace(*P) && InQuote == ' ')) { 2058a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (!CurArg.empty()) { 2068a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2078a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (CurArg[0] != '@') { 2088a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, CurArg)); 2098a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } else { 2108a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(CurArg.c_str(), ArgVector, SavedStrings); 2118a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2128a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2138a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg = ""; 2148a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2158a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0') 2168a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola break; 2178a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2188a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2198a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2208a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2218a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (isspace(*P)) { 2228a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote != ' ') 2238a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2248a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2258a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2268a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2278a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '"' || *P == '\'') { 2288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote == *P) 2298a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = ' '; 2308a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else if (InQuote == ' ') 2318a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = *P; 2328a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2348a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2358a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2368a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2378a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\\') { 2388a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ++P; 2398a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P != '\0') 2408a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2418a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2428a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2438a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2448a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2468a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgv(int argc, const char **argv, 2485f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &ArgVector, 2498a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 2508a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 0; i < argc; ++i) { 2518a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Arg = argv[i]; 2528a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (Arg[0] != '@') { 2538a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, std::string(Arg))); 2548a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2558a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2568a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2578a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(Arg, ArgVector, SavedStrings); 2588a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2598a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2608a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2615f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ParseProgName(SmallVectorImpl<const char *> &ArgVector, 2620ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::set<std::string> &SavedStrings, 2630ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger Driver &TheDriver) 2640ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger{ 2650ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // Try to infer frontend type and default target from the program name. 2660ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 2670ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // suffixes[] contains the list of known driver suffixes. 2680ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // Suffixes are compared against the program name in order. 2690ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is a match, the frontend type is updated as necessary (CPP/C++). 2700ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is no match, a second round is done after stripping the last 2710ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // hyphen and everything following it. This allows using something like 2720ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // "clang++-2.9". 2730ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 2740ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is a match in either the first or second round, 2750ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // the function tries to identify a target as prefix. E.g. 2760ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // "x86_64-linux-clang" as interpreted as suffix "clang" with 2770ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // target prefix "x86_64-linux". If such a target prefix is found, 2789ec60dfe771ff28a84889dced6f8fd3748d3d55eSebastian Pop // is gets added via -target as implicit first argument. 2790ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger static const struct { 2800ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger const char *Suffix; 2810ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool IsCXX; 2820ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool IsCPP; 2830ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } suffixes [] = { 284a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang", false, false }, 285a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang++", true, false }, 286a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-c++", true, false }, 287a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-cc", false, false }, 288a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-cpp", false, true }, 289a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-g++", true, false }, 290a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-gcc", false, false }, 291a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "cc", false, false }, 292a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "cpp", false, true }, 293a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "++", true, false }, 2940ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger }; 2950ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::string ProgName(llvm::sys::path::stem(ArgVector[0])); 2965f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef ProgNameRef(ProgName); 2975f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Prefix; 2980ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 2990ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger for (int Components = 2; Components; --Components) { 3000ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool FoundMatch = false; 3010ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger size_t i; 3020ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3030ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger for (i = 0; i < sizeof(suffixes) / sizeof(suffixes[0]); ++i) { 3040ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (ProgNameRef.endswith(suffixes[i].Suffix)) { 3050ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger FoundMatch = true; 306a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth if (suffixes[i].IsCXX) 3070ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger TheDriver.CCCIsCXX = true; 3080ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (suffixes[i].IsCPP) 3090ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger TheDriver.CCCIsCPP = true; 3100ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3110ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3120ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3130ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3140ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (FoundMatch) { 3155f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef::size_type LastComponent = ProgNameRef.rfind('-', 3160ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ProgNameRef.size() - strlen(suffixes[i].Suffix)); 3175f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (LastComponent != StringRef::npos) 3180ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger Prefix = ProgNameRef.slice(0, LastComponent); 3190ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3200ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3210ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3225f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef::size_type LastComponent = ProgNameRef.rfind('-'); 3235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (LastComponent == StringRef::npos) 3240ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3250ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ProgNameRef = ProgNameRef.slice(0, LastComponent); 3260ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3270ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3280ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (Prefix.empty()) 3290ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger return; 3300ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3310ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::string IgnoredError; 3320ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError)) { 3335f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char *>::iterator it = ArgVector.begin(); 334ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger if (it != ArgVector.end()) 335ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ++it; 336ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ArgVector.insert(it, SaveStringInSet(SavedStrings, Prefix)); 337ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ArgVector.insert(it, 3389ec60dfe771ff28a84889dced6f8fd3748d3d55eSebastian Pop SaveStringInSet(SavedStrings, std::string("-target"))); 3390ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3400ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger} 3410ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3428a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolaint main(int argc_, const char **argv_) { 3433ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 3448a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola llvm::PrettyStackTraceProgram X(argc_, argv_); 3458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 3468a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> SavedStrings; 3475f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<const char*, 256> argv; 3488a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 3498a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgv(argc_, argv_, argv, SavedStrings); 3503ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 35141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Handle -cc1 integrated tools. 3525f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (argv.size() > 1 && StringRef(argv[1]).startswith("-cc1")) { 3535f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Tool = argv[1] + 4; 35441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 35541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "") 356e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1_main(argv.data()+2, argv.data()+argv.size(), argv[0], 35741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 35841b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "as") 359e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1as_main(argv.data()+2, argv.data()+argv.size(), argv[0], 36041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 36141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 36241b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Reject unknown tools. 36341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n"; 36441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return 1; 36541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar } 366c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 3670f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 3688a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 1, size = argv.size(); i < size; ++i) { 3695f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(argv[i]) == "-no-canonical-prefixes") { 3700f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 3710f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 3720f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 3730f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 3740f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 3750f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola llvm::sys::Path Path = GetExecutablePath(argv[0], CanonicalPrefixes); 3760f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 37702c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions; 3782dec85b21822f950bf6035640c496ad835e11728Chad Rosier { 3792dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Note that ParseDiagnosticArgs() uses the cc1 option table. 380bfd7a525bcf372004787cb641b8c1566b9e8aba5James Molloy OwningPtr<OptTable> CC1Opts(createDriverOptTable()); 3812dec85b21822f950bf6035640c496ad835e11728Chad Rosier unsigned MissingArgIndex, MissingArgCount; 3822dec85b21822f950bf6035640c496ad835e11728Chad Rosier OwningPtr<InputArgList> Args(CC1Opts->ParseArgs(argv.begin()+1, argv.end(), 3832dec85b21822f950bf6035640c496ad835e11728Chad Rosier MissingArgIndex, MissingArgCount)); 3842dec85b21822f950bf6035640c496ad835e11728Chad Rosier // We ignore MissingArgCount and the return value of ParseDiagnosticArgs. 3852dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Any errors that would be diagnosed here will also be diagnosed later, 3862dec85b21822f950bf6035640c496ad835e11728Chad Rosier // when the DiagnosticsEngine actually exists. 38702c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor (void) ParseDiagnosticArgs(*DiagOpts, *Args); 3882dec85b21822f950bf6035640c496ad835e11728Chad Rosier } 3892dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Now we can create the DiagnosticsEngine with a properly-filled-out 3902dec85b21822f950bf6035640c496ad835e11728Chad Rosier // DiagnosticOptions instance. 391bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor TextDiagnosticPrinter *DiagClient 39202c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor = new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts); 393d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer DiagClient->setPrefix(llvm::sys::path::stem(Path.str())); 394c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); 3952dec85b21822f950bf6035640c496ad835e11728Chad Rosier 39602c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient); 39702c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor ProcessWarningOptions(Diags, *DiagOpts); 398510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 3995d8b9548420e67f1bf45b7bbc1cf9fb86e9e4505Sebastian Pop Driver TheDriver(Path.str(), llvm::sys::getDefaultTargetTriple(), 40017c874a944090a74aa890d7b5ef361be6e4a0184Rafael Espindola "a.out", Diags); 401e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 402edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // Attempt to find the original path used to invoke the driver, to determine 403edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // the installed path. We do this manually, because we want to support that 404edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // path being a symlink. 405fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer { 40636d592718ff342f762e32cbde73d1113f88cb275Dylan Noblesmith SmallString<128> InstalledPath(argv[0]); 407fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer 408fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer // Do a PATH lookup, if there are no directory components. 409fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (llvm::sys::path::filename(InstalledPath) == InstalledPath) { 410fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::Path Tmp = llvm::sys::Program::FindProgramByName( 411fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::path::filename(InstalledPath.str())); 412fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!Tmp.empty()) 413fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer InstalledPath = Tmp.str(); 414fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer } 415fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::fs::make_absolute(InstalledPath); 416fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer InstalledPath = llvm::sys::path::parent_path(InstalledPath); 417fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer bool exists; 418fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!llvm::sys::fs::exists(InstalledPath.str(), exists) && exists) 419fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer TheDriver.setInstalledDir(InstalledPath); 420edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar } 421edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar 4220ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger llvm::InitializeAllTargets(); 4230ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ParseProgName(argv, SavedStrings, TheDriver); 4249ade4ae4fb7ed1fcbd63835d9f8f53052f0657a2Joerg Sonnenberger 4254c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE. 4264c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS"); 4274c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (TheDriver.CCPrintOptions) 4284c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE"); 4294c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 430322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar // Handle CC_PRINT_HEADERS and CC_PRINT_HEADERS_FILE. 431322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar TheDriver.CCPrintHeaders = !!::getenv("CC_PRINT_HEADERS"); 432322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar if (TheDriver.CCPrintHeaders) 433322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar TheDriver.CCPrintHeadersFilename = ::getenv("CC_PRINT_HEADERS_FILE"); 434322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar 435c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar // Handle CC_LOG_DIAGNOSTICS and CC_LOG_DIAGNOSTICS_FILE. 436c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS"); 437c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar if (TheDriver.CCLogDiagnostics) 438c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE"); 439c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar 440ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 441ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 442ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 443ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 4448a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ApplyQAOverride(argv, OverrideStr, SavedStrings); 445ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 446e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 4478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::vector<const char*> ExtraArgs; 448e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 449e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 450e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 451237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 452e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 4538a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, 4548a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string(Cur, Next))); 455e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 456e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 457ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 4588a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, Cur)); 459e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 460e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 461e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 462e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 463e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar argv.insert(&argv[1], ExtraArgs.begin(), ExtraArgs.end()); 46406e35d3d02a1147a448cf08c9c34bc3acccaa63cRafael Espindola } 4653ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 4661e4c01b79273b9cd4e9e9ecfd3422df3900b8356Dylan Noblesmith OwningPtr<Compilation> C(TheDriver.BuildCompilation(argv)); 467af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 4682b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier const Command *FailingCommand = 0; 469af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 4702b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Res = TheDriver.ExecuteCompilation(*C, FailingCommand); 4712b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 47280ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier // Force a crash to test the diagnostics. 47380ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier if(::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH")) 47480ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier Res = -1; 47580ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier 4762b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // If result status is < 0, then the driver command signalled an error. 4775af8de8c7255ca4df52cbb0d5e0d28d67c53524cChad Rosier // If result status is 70, then the driver command reported a fatal error. 4785af8de8c7255ca4df52cbb0d5e0d28d67c53524cChad Rosier // In these cases, generate additional diagnostic information if possible. 4795af8de8c7255ca4df52cbb0d5e0d28d67c53524cChad Rosier if (Res < 0 || Res == 70) 4802b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TheDriver.generateCompilationDiagnostics(*C, FailingCommand); 4812b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 48230bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // If any timers were active but haven't been destroyed yet, print their 48330bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // results now. This happens in -disable-free mode. 48430bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::TimerGroup::printAll(llvm::errs()); 48530bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 4868f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 4878f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 488df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi#ifdef _WIN32 489df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi // Exit status should not be negative on Win32, unless abnormal termination. 490df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi // Once abnormal termiation was caught, negative status should not be 491df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi // propagated. 492df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi if (Res < 0) 493df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi Res = 1; 494df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi#endif 495df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi 496af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 4973ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 498