driver.cpp revision 0de9a7beb107a4306d05cf3589f10c3e01cfcee2
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" 240de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar#include "llvm/Support/Regex.h" 254ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbar#include "llvm/Support/raw_ostream.h" 26af07f936b698575f2c91f1c1134c116f1ef0deddDaniel Dunbar#include "llvm/System/Host.h" 27365c02f65be026f90e67a8e00e7b827cee60e228Daniel Dunbar#include "llvm/System/Path.h" 283ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/System/Signals.h" 294ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 301b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 313ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 32510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbarclass DriverDiagnosticPrinter : public DiagnosticClient { 33510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar std::string ProgName; 34510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar llvm::raw_ostream &OS; 35510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 36510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbarpublic: 37237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar DriverDiagnosticPrinter(const std::string _ProgName, 38510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar llvm::raw_ostream &_OS) 39510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar : ProgName(_ProgName), 40510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS(_OS) {} 41510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 42510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, 43510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar const DiagnosticInfo &Info); 44510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar}; 45510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 46510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbarvoid DriverDiagnosticPrinter::HandleDiagnostic(Diagnostic::Level Level, 47510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar const DiagnosticInfo &Info) { 48510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS << ProgName << ": "; 49510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 50510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar switch (Level) { 51510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Ignored: assert(0 && "Invalid diagnostic type"); 52510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Note: OS << "note: "; break; 53510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Warning: OS << "warning: "; break; 54510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Error: OS << "error: "; break; 55510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar case Diagnostic::Fatal: OS << "fatal error: "; break; 56510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar } 57237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 58510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar llvm::SmallString<100> OutStr; 59510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar Info.FormatDiagnostic(OutStr); 60510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS.write(OutStr.begin(), OutStr.size()); 61510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar OS << '\n'; 62510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar} 63510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 640f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindolallvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 650f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 660f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 670f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 68734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 69734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 70734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 71734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 72734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 73734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 74237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 750de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef S) { 76ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 77ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 78ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 79ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 80ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 81ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 82ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 83ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 84ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 85e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 86e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 87ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 88ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 89ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 90ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 910de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 920de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 93ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 94ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 95ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 96ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 97ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 98ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 99ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 100ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 101e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 102e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 103e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 104e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 105e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 106e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbarvoid ApplyOneQAOverride(llvm::raw_ostream &OS, 107237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::vector<const char*> &Args, 1080de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef Edit, 109ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::set<std::string> &SavedStrings) { 110ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 111ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 112237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 113237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 1140de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 115237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 116237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 117237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 118237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 1190de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 120237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 1220de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 1230de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Edit.slice(2, Edit.size()-1).find('/') != llvm::StringRef::npos) { 1240de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef MatchPattern = Edit.substr(2).split('/').first; 1250de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef ReplPattern = Edit.substr(2).split('/').second; 1260de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 1270de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1280de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1290de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1300de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1310de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1320de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1330de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1340de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1350de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 139237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 140237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 141237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 142237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 143237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 144237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 145237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 146237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 147237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 148237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 149237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 150237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 151237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 152237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 153237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 154237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 155237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 156237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 157237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 158237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 159237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 160237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 161237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 162237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 163237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 164237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1650de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 166237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 167237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 168237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 169ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 170ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 171ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 172ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 173ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbarvoid ApplyQAOverride(std::vector<const char*> &Args, const char *OverrideStr, 174ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::set<std::string> &SavedStrings) { 175e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar llvm::raw_ostream *OS = &llvm::errs(); 176237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 177e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 178e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 179e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 180e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 181e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 182e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 183ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 184ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 185ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 186ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 187ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 188ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 189ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 190ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 191ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 192e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 193ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 194ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 195ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 196ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 197ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 198ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 199c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 200545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 201217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 2023ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbarint main(int argc, const char **argv) { 2033ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 2048f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::PrettyStackTraceProgram X(argc, argv); 2053ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 206c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar // Dispatch to cc1_main if appropriate. 207c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar if (argc > 1 && llvm::StringRef(argv[1]) == "-cc1") 208c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar return cc1_main(argv+2, argv+argc, argv[0], 209c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 210c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 2110f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 2120f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola for (int i = 1; i < argc; ++i) { 2130f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (llvm::StringRef(argv[i]) == "-no-canonical-prefixes") { 2140f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 2150f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 2160f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2170f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2180f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 2190f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola llvm::sys::Path Path = GetExecutablePath(argv[0], CanonicalPrefixes); 2200f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 2218e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar DriverDiagnosticPrinter DiagClient(Path.getBasename(), llvm::errs()); 222510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 2238e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar Diagnostic Diags(&DiagClient); 224510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 225f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#ifdef CLANG_IS_PRODUCTION 226f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar bool IsProduction = true; 227f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#else 228f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar bool IsProduction = false; 229f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#endif 230e3fdca2ee0346a41d9cc5ee417a75e66274216f5Jeffrey Yasskin Driver TheDriver(Path.getBasename(), Path.getDirname(), 231e3fdca2ee0346a41d9cc5ee417a75e66274216f5Jeffrey Yasskin llvm::sys::getHostTriple(), 232f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar "a.out", IsProduction, Diags); 233e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 2348fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Check for ".*++" or ".*++-[^-]*" to determine if we are a C++ 2358fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // compiler. This matches things like "c++", "clang++", and "clang++-1.1". 2368fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // 2378fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Note that we intentionally want to use argv[0] here, to support "clang++" 2388fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // being a symlink. 239d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // 240d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // We use *argv instead of argv[0] to work around a bogus g++ warning. 241d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer std::string ProgName(llvm::sys::Path(*argv).getBasename()); 242e26bd90e5f7c1e44dd2b74d84d2f158dc7b983fbDaniel Dunbar if (llvm::StringRef(ProgName).endswith("++") || 2430dea4be511706307849d83a89f56695444c718acDaniel Dunbar llvm::StringRef(ProgName).rsplit('-').first.endswith("++")) { 2448fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar TheDriver.CCCIsCXX = true; 2450dea4be511706307849d83a89f56695444c718acDaniel Dunbar TheDriver.CCCGenericGCCName = "g++"; 2460dea4be511706307849d83a89f56695444c718acDaniel Dunbar } 2478fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar 248e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar llvm::OwningPtr<Compilation> C; 249e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 250ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 251ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 252a1e2fd9b580ae583b91d3288d59c00ca9f6a56b8Daniel Dunbar std::set<std::string> SavedStrings; 253ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 254ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 255ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::vector<const char*> StringPointers(argv, argv + argc); 256ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 257ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ApplyQAOverride(StringPointers, OverrideStr, SavedStrings); 258ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 259237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2600311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 261ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 262e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar std::vector<const char*> StringPointers; 263e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 264e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 265e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.push_back(argv[0]); 266e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 267e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 268e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 269237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 270e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 271ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, 272ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::string(Cur, Next))); 273e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 274e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 275ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 276ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, Cur)); 277e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 278e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 279e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 280e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 281e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.insert(StringPointers.end(), argv + 1, argv + argc); 282e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 283237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2840311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 285e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else 2868e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar C.reset(TheDriver.BuildCompilation(argc, argv)); 2873ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 288af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 289af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 290c88a88f6f7672b6bb831dce9da4acfa0c846975fDaniel Dunbar Res = TheDriver.ExecuteCompilation(*C); 2918f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 2928f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 2938f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 294af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 2953ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 296