driver.cpp revision 0f4c59c3beae302b5a3ecea13f2e257bdaad3188
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" 182c6f6f3c170502c5b810102cf85f05732a2aa9d0Daniel Dunbar 19510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar#include "llvm/ADT/SmallString.h" 203ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/ADT/OwningPtr.h" 21dd98e2cad165ca73c769e4f105a4e47c2216387aDaniel Dunbar#include "llvm/Config/config.h" 228f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/ManagedStatic.h" 238f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/PrettyStackTrace.h" 244ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbar#include "llvm/Support/raw_ostream.h" 25af07f936b698575f2c91f1c1134c116f1ef0deddDaniel Dunbar#include "llvm/System/Host.h" 26365c02f65be026f90e67a8e00e7b827cee60e228Daniel Dunbar#include "llvm/System/Path.h" 273ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/System/Signals.h" 284ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 291b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 303ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 31510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbarclass DriverDiagnosticPrinter : public DiagnosticClient { 32510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar std::string ProgName; 33510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar llvm::raw_ostream &OS; 34510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 35510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbarpublic: 36237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar DriverDiagnosticPrinter(const std::string _ProgName, 37510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar llvm::raw_ostream &_OS) 38510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar : ProgName(_ProgName), 39510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS(_OS) {} 40510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 41510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, 42510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar const DiagnosticInfo &Info); 43510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar}; 44510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 45510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbarvoid DriverDiagnosticPrinter::HandleDiagnostic(Diagnostic::Level Level, 46510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar const DiagnosticInfo &Info) { 47510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS << ProgName << ": "; 48510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 49510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar switch (Level) { 50510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Ignored: assert(0 && "Invalid diagnostic type"); 51510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Note: OS << "note: "; break; 52510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Warning: OS << "warning: "; break; 53510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Error: OS << "error: "; break; 54510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Fatal: OS << "fatal error: "; break; 55510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar } 56237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 57510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar llvm::SmallString<100> OutStr; 58510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar Info.FormatDiagnostic(OutStr); 59510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS.write(OutStr.begin(), OutStr.size()); 60510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS << '\n'; 61510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar} 62510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 630f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindolallvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 640f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 650f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 660f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 67734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 68734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 69734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 70734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 71734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 72734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 73237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 74ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const std::string &S) { 75ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 76ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 77ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 78ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 79ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 80ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 81ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 82ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 83ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 84e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 85e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 86ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 87ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 88ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 89ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 90ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 's/XXX/YYY/': Replace the literal argument XXX by YYY in the 91ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// command line. 92ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 93ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 94ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 95ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 96ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 97ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 98ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 99ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 100e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 101e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 102e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 103e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 104e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 105e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbarvoid ApplyOneQAOverride(llvm::raw_ostream &OS, 106237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::vector<const char*> &Args, 107ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const std::string &Edit, 108ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::set<std::string> &SavedStrings) { 109ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 110ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 111237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 112237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 113237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1, std::string::npos)); 114237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 115237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 116237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 117237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 118237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1, std::string::npos)); 119237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 120237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 122237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 135237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 139237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 140237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 141237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 142237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 143237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 144237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 145237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 146237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 147237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 148237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 149237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 150237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit)); 151237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 152237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 153237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 154ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 155ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 156ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 157ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 158ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbarvoid ApplyQAOverride(std::vector<const char*> &Args, const char *OverrideStr, 159ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::set<std::string> &SavedStrings) { 160e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar llvm::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); 186217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1873ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbarint main(int argc, const char **argv) { 1883ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 1898f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::PrettyStackTraceProgram X(argc, argv); 1903ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 191c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar // Dispatch to cc1_main if appropriate. 192c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar if (argc > 1 && llvm::StringRef(argv[1]) == "-cc1") 193c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar return cc1_main(argv+2, argv+argc, argv[0], 194c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 195c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 1960f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 1970f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola for (int i = 1; i < argc; ++i) { 1980f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (llvm::StringRef(argv[i]) == "-no-canonical-prefixes") { 1990f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 2000f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 2010f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2020f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2030f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 2040f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola llvm::sys::Path Path = GetExecutablePath(argv[0], CanonicalPrefixes); 2050f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 2068e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar DriverDiagnosticPrinter DiagClient(Path.getBasename(), llvm::errs()); 207510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 2088e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar Diagnostic Diags(&DiagClient); 209510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 210f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#ifdef CLANG_IS_PRODUCTION 211f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar bool IsProduction = true; 212f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#else 213f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar bool IsProduction = false; 214f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#endif 2158e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar Driver TheDriver(Path.getBasename().c_str(), Path.getDirname().c_str(), 2168e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar llvm::sys::getHostTriple().c_str(), 217f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar "a.out", IsProduction, Diags); 218e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 2198fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Check for ".*++" or ".*++-[^-]*" to determine if we are a C++ 2208fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // compiler. This matches things like "c++", "clang++", and "clang++-1.1". 2218fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // 2228fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Note that we intentionally want to use argv[0] here, to support "clang++" 2238fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // being a symlink. 224d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // 225d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // We use *argv instead of argv[0] to work around a bogus g++ warning. 226d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer std::string ProgName(llvm::sys::Path(*argv).getBasename()); 227e26bd90e5f7c1e44dd2b74d84d2f158dc7b983fbDaniel Dunbar if (llvm::StringRef(ProgName).endswith("++") || 228e26bd90e5f7c1e44dd2b74d84d2f158dc7b983fbDaniel Dunbar llvm::StringRef(ProgName).rsplit('-').first.endswith("++")) 2298fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar TheDriver.CCCIsCXX = true; 2308fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar 231e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar llvm::OwningPtr<Compilation> C; 232e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 233ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 234ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 235a1e2fd9b580ae583b91d3288d59c00ca9f6a56b8Daniel Dunbar std::set<std::string> SavedStrings; 236ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 237ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 238ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::vector<const char*> StringPointers(argv, argv + argc); 239ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 240ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ApplyQAOverride(StringPointers, OverrideStr, SavedStrings); 241ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 242237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2430311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 244ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 245e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar std::vector<const char*> StringPointers; 246e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 247e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 248e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.push_back(argv[0]); 249e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 250e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 251e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 252237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 253e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 254ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, 255ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::string(Cur, Next))); 256e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 257e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 258ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 259ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, Cur)); 260e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 261e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 262e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 263e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 264e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.insert(StringPointers.end(), argv + 1, argv + argc); 265e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 266237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2670311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 268e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else 2698e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar C.reset(TheDriver.BuildCompilation(argc, argv)); 2703ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 271af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 272af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 273c88a88f6f7672b6bb831dce9da4acfa0c846975fDaniel Dunbar Res = TheDriver.ExecuteCompilation(*C); 2748f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 2758f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 2768f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 277af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 2783ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 279