driver.cpp revision 4c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357
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" 223ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/ADT/OwningPtr.h" 23dd98e2cad165ca73c769e4f105a4e47c2216387aDaniel Dunbar#include "llvm/Config/config.h" 248f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/ManagedStatic.h" 258f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/PrettyStackTrace.h" 260de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar#include "llvm/Support/Regex.h" 274ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbar#include "llvm/Support/raw_ostream.h" 28af07f936b698575f2c91f1c1134c116f1ef0deddDaniel Dunbar#include "llvm/System/Host.h" 29365c02f65be026f90e67a8e00e7b827cee60e228Daniel Dunbar#include "llvm/System/Path.h" 303ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/System/Signals.h" 314ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 321b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 333ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 340f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindolallvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 350f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 360f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 370f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 38734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 39734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 40734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 41734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 42734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 43734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 44237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 450de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef S) { 46ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 47ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 48ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 49ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 50ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 51ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 52ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 53ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 54ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 55e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 56e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 57ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 58ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 59ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 60ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 610de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 620de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 63ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 64ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 65ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 66ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 67ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 68ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 69ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 70ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 71e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 72e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 73e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 74e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 75e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 76e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbarvoid ApplyOneQAOverride(llvm::raw_ostream &OS, 77237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::vector<const char*> &Args, 780de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef Edit, 79ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::set<std::string> &SavedStrings) { 80ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 81ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 82237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 83237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 840de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 85237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 86237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 87237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 88237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 890de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 90237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 91237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 920de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 930de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Edit.slice(2, Edit.size()-1).find('/') != llvm::StringRef::npos) { 940de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef MatchPattern = Edit.substr(2).split('/').first; 950de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef ReplPattern = Edit.substr(2).split('/').second; 960de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 970de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 980de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 990de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1000de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1010de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1020de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1030de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1040de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1050de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 106237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 107237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 108237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 109237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 110237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 111237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 112237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 113237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 114237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 115237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 116237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 117237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 118237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 119237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 120237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 122237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1350de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 139ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 140ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 141ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 142ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 143ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbarvoid ApplyQAOverride(std::vector<const char*> &Args, const char *OverrideStr, 144ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::set<std::string> &SavedStrings) { 145e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar llvm::raw_ostream *OS = &llvm::errs(); 146237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 147e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 148e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 149e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 150e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 151e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 152e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 153ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 154ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 155ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 156ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 157ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 158ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 159ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 160ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 161ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 162e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 163ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 164ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 165ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 166ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 167ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 168ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 169c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 170545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 171217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1723ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbarint main(int argc, const char **argv) { 1733ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 1748f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::PrettyStackTraceProgram X(argc, argv); 1753ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 176c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar // Dispatch to cc1_main if appropriate. 177c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar if (argc > 1 && llvm::StringRef(argv[1]) == "-cc1") 178c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar return cc1_main(argv+2, argv+argc, argv[0], 179c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 180c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 1810f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 1820f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola for (int i = 1; i < argc; ++i) { 1830f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (llvm::StringRef(argv[i]) == "-no-canonical-prefixes") { 1840f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 1850f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 1860f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 1870f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 1880f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 1890f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola llvm::sys::Path Path = GetExecutablePath(argv[0], CanonicalPrefixes); 1900f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 191af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar TextDiagnosticPrinter DiagClient(llvm::errs(), DiagnosticOptions()); 192af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar DiagClient.setPrefix(Path.getBasename()); 193510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 1948e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar Diagnostic Diags(&DiagClient); 195510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 196f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#ifdef CLANG_IS_PRODUCTION 197240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = true; 198f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#else 199240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = false; 200f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#endif 201e3fdca2ee0346a41d9cc5ee417a75e66274216f5Jeffrey Yasskin Driver TheDriver(Path.getBasename(), Path.getDirname(), 202e3fdca2ee0346a41d9cc5ee417a75e66274216f5Jeffrey Yasskin llvm::sys::getHostTriple(), 203f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar "a.out", IsProduction, Diags); 204e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 2058fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Check for ".*++" or ".*++-[^-]*" to determine if we are a C++ 2068fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // compiler. This matches things like "c++", "clang++", and "clang++-1.1". 2078fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // 2088fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Note that we intentionally want to use argv[0] here, to support "clang++" 2098fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // being a symlink. 210d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // 211d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // We use *argv instead of argv[0] to work around a bogus g++ warning. 212d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer std::string ProgName(llvm::sys::Path(*argv).getBasename()); 213e26bd90e5f7c1e44dd2b74d84d2f158dc7b983fbDaniel Dunbar if (llvm::StringRef(ProgName).endswith("++") || 2140dea4be511706307849d83a89f56695444c718acDaniel Dunbar llvm::StringRef(ProgName).rsplit('-').first.endswith("++")) { 2158fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar TheDriver.CCCIsCXX = true; 2160dea4be511706307849d83a89f56695444c718acDaniel Dunbar TheDriver.CCCGenericGCCName = "g++"; 2170dea4be511706307849d83a89f56695444c718acDaniel Dunbar } 2188fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar 219e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar llvm::OwningPtr<Compilation> C; 220e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 2214c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE. 2224c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS"); 2234c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (TheDriver.CCPrintOptions) 2244c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE"); 2254c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 226ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 227ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 228a1e2fd9b580ae583b91d3288d59c00ca9f6a56b8Daniel Dunbar std::set<std::string> SavedStrings; 229ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 230ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 231ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::vector<const char*> StringPointers(argv, argv + argc); 232ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 233ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ApplyQAOverride(StringPointers, OverrideStr, SavedStrings); 234ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 235237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2360311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 237ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 238e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar std::vector<const char*> StringPointers; 239e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 240e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 241e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.push_back(argv[0]); 242e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 243e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 244e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 245237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 246e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 247ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, 248ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::string(Cur, Next))); 249e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 250e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 251ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 252ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, Cur)); 253e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 254e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 255e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 256e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 257e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.insert(StringPointers.end(), argv + 1, argv + argc); 258e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 259237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2600311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 261e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else 2628e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar C.reset(TheDriver.BuildCompilation(argc, argv)); 2633ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 264af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 265af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 266c88a88f6f7672b6bb831dce9da4acfa0c846975fDaniel Dunbar Res = TheDriver.ExecuteCompilation(*C); 2678f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 2688f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 2698f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 270af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 2713ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 272