driver.cpp revision fbfd180495e7800975c6d9bdc6d24e706ef70e34
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 153ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Compilation.h" 163ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Driver.h" 172c6f6f3c170502c5b810102cf85f05732a2aa9d0Daniel Dunbar#include "clang/Driver/Option.h" 18af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar#include "clang/Frontend/DiagnosticOptions.h" 19af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar#include "clang/Frontend/TextDiagnosticPrinter.h" 202c6f6f3c170502c5b810102cf85f05732a2aa9d0Daniel Dunbar 21510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar#include "llvm/ADT/SmallString.h" 228a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/ADT/SmallVector.h" 233ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/ADT/OwningPtr.h" 24dd98e2cad165ca73c769e4f105a4e47c2216387aDaniel Dunbar#include "llvm/Config/config.h" 258a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/ErrorHandling.h" 26fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer#include "llvm/Support/FileSystem.h" 278f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/ManagedStatic.h" 288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/MemoryBuffer.h" 298f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/PrettyStackTrace.h" 300de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar#include "llvm/Support/Regex.h" 3130bc7e8e560941f730fd94109e81ac600767b0abChris Lattner#include "llvm/Support/Timer.h" 324ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbar#include "llvm/Support/raw_ostream.h" 3303013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Host.h" 3403013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Path.h" 3503013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 3603013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Signals.h" 373a321e23f66128dbb986343927456ff6702af617Michael J. Spencer#include "llvm/Support/system_error.h" 384ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 391b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 403ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 41aeed3da83c112d0649c30493c059314d85d99080Benjamin Kramerllvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 420f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 430f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 440f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 45734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 46734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 47734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 48734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 49734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 50734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 51237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 520de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef S) { 53ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 54ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 55ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 56ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 57ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 58ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 59ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 60ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 61ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 62e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 63e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 64ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 65ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 66ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 67ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 680de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 690de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 70ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 71ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 72ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 73ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 74ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 75ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 76ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 77ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 78e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 79e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 80e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 81e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 82e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 8330bc7e8e560941f730fd94109e81ac600767b0abChris Lattnerstatic void ApplyOneQAOverride(llvm::raw_ostream &OS, 84e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar llvm::SmallVectorImpl<const char*> &Args, 8530bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::StringRef Edit, 8630bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 87ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 88ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 89237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 90237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 910de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 92237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 93237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 94237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 95237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 960de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 97237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 98237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 990de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 1000de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Edit.slice(2, Edit.size()-1).find('/') != llvm::StringRef::npos) { 1010de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef MatchPattern = Edit.substr(2).split('/').first; 1020de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef ReplPattern = Edit.substr(2).split('/').second; 1030de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 1040de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1050de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1060de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1070de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1080de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1090de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1100de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1110de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1120de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 113237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 114237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 115237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 116237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 117237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 118237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 119237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 120237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 122237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 135237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 139237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 140237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 141237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1420de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 143237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 144237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 145237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 146ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 147ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 148ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 149ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 150e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbarstatic void ApplyQAOverride(llvm::SmallVectorImpl<const char*> &Args, 15130bc7e8e560941f730fd94109e81ac600767b0abChris Lattner const char *OverrideStr, 15230bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 153e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar llvm::raw_ostream *OS = &llvm::errs(); 154237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 155e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 156e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 157e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 158e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 159e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 160e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 161ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 162ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 163ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 164ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 165ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 166ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 167ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 168ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 169ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 170e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 171ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 172ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 173ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 174ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 175ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 176ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 177c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 178545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 17941b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbarextern int cc1as_main(const char **ArgBegin, const char **ArgEnd, 18041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar const char *Argv0, void *MainAddr); 181217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1828a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgsFromBuf(const char *Arg, 183e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar llvm::SmallVectorImpl<const char*> &ArgVector, 1848a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 1858a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *FName = Arg + 1; 1864eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer llvm::OwningPtr<llvm::MemoryBuffer> MemBuf; 1874eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer if (llvm::MemoryBuffer::getFile(FName, MemBuf)) { 1888a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, Arg)); 1898a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola return; 1908a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 1918a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 1928a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Buf = MemBuf->getBufferStart(); 1938a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola char InQuote = ' '; 1948a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string CurArg; 1958a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 1968a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (const char *P = Buf; ; ++P) { 1978a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0' || (isspace(*P) && InQuote == ' ')) { 1988a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (!CurArg.empty()) { 1998a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2008a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (CurArg[0] != '@') { 2018a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, CurArg)); 2028a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } else { 2038a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(CurArg.c_str(), ArgVector, SavedStrings); 2048a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2058a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2068a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg = ""; 2078a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2088a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0') 2098a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola break; 2108a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2118a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2128a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2138a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2148a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (isspace(*P)) { 2158a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote != ' ') 2168a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2178a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2188a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2198a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2208a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '"' || *P == '\'') { 2218a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote == *P) 2228a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = ' '; 2238a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else if (InQuote == ' ') 2248a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = *P; 2258a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2268a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2278a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2298a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2308a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\\') { 2318a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ++P; 2328a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P != '\0') 2338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2348a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2358a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2368a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2378a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2388a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2398a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2408a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgv(int argc, const char **argv, 241e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar llvm::SmallVectorImpl<const char*> &ArgVector, 2428a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 2438a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 0; i < argc; ++i) { 2448a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Arg = argv[i]; 2458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (Arg[0] != '@') { 2468a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, std::string(Arg))); 2478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2488a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2498a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2508a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(Arg, ArgVector, SavedStrings); 2518a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2528a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2538a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2548a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolaint main(int argc_, const char **argv_) { 2553ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 2568a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola llvm::PrettyStackTraceProgram X(argc_, argv_); 2578a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2588a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> SavedStrings; 259e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar llvm::SmallVector<const char*, 256> argv; 2608a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2618a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgv(argc_, argv_, argv, SavedStrings); 2623ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 26341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Handle -cc1 integrated tools. 2648a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (argv.size() > 1 && llvm::StringRef(argv[1]).startswith("-cc1")) { 26541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::StringRef Tool = argv[1] + 4; 26641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 26741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "") 268e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1_main(argv.data()+2, argv.data()+argv.size(), argv[0], 26941b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 27041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "as") 271e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1as_main(argv.data()+2, argv.data()+argv.size(), argv[0], 27241b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 27341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 27441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Reject unknown tools. 27541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n"; 27641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return 1; 27741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar } 278c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 2790f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 2808a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 1, size = argv.size(); i < size; ++i) { 2810f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (llvm::StringRef(argv[i]) == "-no-canonical-prefixes") { 2820f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 2830f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 2840f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2850f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2860f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 2870f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola llvm::sys::Path Path = GetExecutablePath(argv[0], CanonicalPrefixes); 2880f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 289bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor TextDiagnosticPrinter *DiagClient 290bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor = new TextDiagnosticPrinter(llvm::errs(), DiagnosticOptions()); 291d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer DiagClient->setPrefix(llvm::sys::path::stem(Path.str())); 29233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); 29333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Diagnostic Diags(DiagID, DiagClient); 294510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 295f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#ifdef CLANG_IS_PRODUCTION 296240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = true; 2975d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# ifdef CLANGXX_IS_PRODUCTION 2985d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = true; 2995d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# else 3005d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = false; 3015d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# endif 302f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#else 303240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = false; 3045d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = false; 305f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#endif 3060bbad519aa068206f1e158d5073f72a39fbe83c5Daniel Dunbar Driver TheDriver(Path.str(), llvm::sys::getHostTriple(), 3075d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar "a.out", IsProduction, CXXIsProduction, 3085d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar Diags); 309e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 310edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // Attempt to find the original path used to invoke the driver, to determine 311edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // the installed path. We do this manually, because we want to support that 312edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // path being a symlink. 313fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer { 314fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::SmallString<128> InstalledPath(argv[0]); 315fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer 316fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer // Do a PATH lookup, if there are no directory components. 317fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (llvm::sys::path::filename(InstalledPath) == InstalledPath) { 318fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::Path Tmp = llvm::sys::Program::FindProgramByName( 319fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::path::filename(InstalledPath.str())); 320fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!Tmp.empty()) 321fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer InstalledPath = Tmp.str(); 322fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer } 323fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::fs::make_absolute(InstalledPath); 324fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer InstalledPath = llvm::sys::path::parent_path(InstalledPath); 325fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer bool exists; 326fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!llvm::sys::fs::exists(InstalledPath.str(), exists) && exists) 327fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer TheDriver.setInstalledDir(InstalledPath); 328edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar } 329edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar 3308fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Check for ".*++" or ".*++-[^-]*" to determine if we are a C++ 3318fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // compiler. This matches things like "c++", "clang++", and "clang++-1.1". 3328fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // 3338fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Note that we intentionally want to use argv[0] here, to support "clang++" 3348fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // being a symlink. 335d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // 336d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // We use *argv instead of argv[0] to work around a bogus g++ warning. 3378a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *progname = argv_[0]; 338d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer std::string ProgName(llvm::sys::path::stem(progname)); 339e26bd90e5f7c1e44dd2b74d84d2f158dc7b983fbDaniel Dunbar if (llvm::StringRef(ProgName).endswith("++") || 3400dea4be511706307849d83a89f56695444c718acDaniel Dunbar llvm::StringRef(ProgName).rsplit('-').first.endswith("++")) { 3418fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar TheDriver.CCCIsCXX = true; 3420dea4be511706307849d83a89f56695444c718acDaniel Dunbar } 3438fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar 3444c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE. 3454c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS"); 3464c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (TheDriver.CCPrintOptions) 3474c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE"); 3484c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 349ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 350ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 351ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 352ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 3538a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ApplyQAOverride(argv, OverrideStr, SavedStrings); 354ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 355e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 3568a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::vector<const char*> ExtraArgs; 357e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 358e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 359e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 360237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 361e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 3628a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, 3638a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string(Cur, Next))); 364e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 365e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 366ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 3678a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, Cur)); 368e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 369e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 370e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 371e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 372e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar argv.insert(&argv[1], ExtraArgs.begin(), ExtraArgs.end()); 37306e35d3d02a1147a448cf08c9c34bc3acccaa63cRafael Espindola } 3743ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 3755633c1e4a7a5dd6dc5a4468f1660fabe70b0d2f8Daniel Dunbar llvm::OwningPtr<Compilation> C(TheDriver.BuildCompilation(argv.size(), 3765633c1e4a7a5dd6dc5a4468f1660fabe70b0d2f8Daniel Dunbar &argv[0])); 377af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 378af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 379c88a88f6f7672b6bb831dce9da4acfa0c846975fDaniel Dunbar Res = TheDriver.ExecuteCompilation(*C); 38030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 38130bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // If any timers were active but haven't been destroyed yet, print their 38230bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // results now. This happens in -disable-free mode. 38330bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::TimerGroup::printAll(llvm::errs()); 38430bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 3858f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 3868f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 387af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 3883ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 389