driver.cpp revision 41b5b17445ab3bdf957ebd4be6c8670f09a212a8
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" 2730bc7e8e560941f730fd94109e81ac600767b0abChris Lattner#include "llvm/Support/Timer.h" 284ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbar#include "llvm/Support/raw_ostream.h" 29af07f936b698575f2c91f1c1134c116f1ef0deddDaniel Dunbar#include "llvm/System/Host.h" 30365c02f65be026f90e67a8e00e7b827cee60e228Daniel Dunbar#include "llvm/System/Path.h" 313ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/System/Signals.h" 324ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 331b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 343ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 350f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindolallvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 360f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 370f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 380f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 39734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 40734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 41734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 42734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 43734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 44734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 45237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 460de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef S) { 47ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 48ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 49ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 50ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 51ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 52ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 53ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 54ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 55ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 56e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 57e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 58ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 59ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 60ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 61ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 620de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 630de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 64ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 65ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 66ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 67ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 68ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 69ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 70ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 71ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 72e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 73e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 74e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 75e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 76e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 7730bc7e8e560941f730fd94109e81ac600767b0abChris Lattnerstatic void ApplyOneQAOverride(llvm::raw_ostream &OS, 7830bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::vector<const char*> &Args, 7930bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::StringRef Edit, 8030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 81ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 82ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 83237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 84237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 850de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 86237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 87237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 88237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 89237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 900de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 91237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 92237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 930de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 940de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Edit.slice(2, Edit.size()-1).find('/') != llvm::StringRef::npos) { 950de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef MatchPattern = Edit.substr(2).split('/').first; 960de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef ReplPattern = Edit.substr(2).split('/').second; 970de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 980de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 990de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1000de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1010de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1020de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1030de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1040de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1050de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1060de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 107237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 108237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 109237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 110237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 111237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 112237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 113237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 114237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 115237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 116237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 117237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 118237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 119237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 120237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 122237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 135237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1360de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 139237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 140ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 141ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 142ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 143ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 14430bc7e8e560941f730fd94109e81ac600767b0abChris Lattnerstatic void ApplyQAOverride(std::vector<const char*> &Args, 14530bc7e8e560941f730fd94109e81ac600767b0abChris Lattner const char *OverrideStr, 14630bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 147e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar llvm::raw_ostream *OS = &llvm::errs(); 148237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 149e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 150e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 151e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 152e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 153e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 154e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 155ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 156ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 157ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 158ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 159ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 160ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 161ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 162ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 163ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 164e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 165ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 166ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 167ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 168ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 169ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 170ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 171c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 172545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 17341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbarextern int cc1as_main(const char **ArgBegin, const char **ArgEnd, 17441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar const char *Argv0, void *MainAddr); 175217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1763ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbarint main(int argc, const char **argv) { 1773ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 1788f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::PrettyStackTraceProgram X(argc, argv); 1793ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 18041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Handle -cc1 integrated tools. 18141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (argc > 1 && llvm::StringRef(argv[1]).startswith("-cc1")) { 18241b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::StringRef Tool = argv[1] + 4; 18341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 18441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "") 18541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return cc1_main(argv+2, argv+argc, argv[0], 18641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 18741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "as") 18841b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return cc1as_main(argv+2, argv+argc, argv[0], 18941b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 19041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 19141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Reject unknown tools. 19241b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n"; 19341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return 1; 19441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar } 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 206af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar TextDiagnosticPrinter DiagClient(llvm::errs(), DiagnosticOptions()); 207af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar DiagClient.setPrefix(Path.getBasename()); 208510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 2098e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar Diagnostic Diags(&DiagClient); 210510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 211f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#ifdef CLANG_IS_PRODUCTION 212240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = true; 2135d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# ifdef CLANGXX_IS_PRODUCTION 2145d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = true; 2155d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# else 2165d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = false; 2175d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# endif 218f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#else 219240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = false; 2205d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = false; 221f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#endif 222e3fdca2ee0346a41d9cc5ee417a75e66274216f5Jeffrey Yasskin Driver TheDriver(Path.getBasename(), Path.getDirname(), 223e3fdca2ee0346a41d9cc5ee417a75e66274216f5Jeffrey Yasskin llvm::sys::getHostTriple(), 2245d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar "a.out", IsProduction, CXXIsProduction, 2255d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar Diags); 226e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 2278fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Check for ".*++" or ".*++-[^-]*" to determine if we are a C++ 2288fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // compiler. This matches things like "c++", "clang++", and "clang++-1.1". 2298fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // 2308fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Note that we intentionally want to use argv[0] here, to support "clang++" 2318fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // being a symlink. 232d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // 233d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // We use *argv instead of argv[0] to work around a bogus g++ warning. 234d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer std::string ProgName(llvm::sys::Path(*argv).getBasename()); 235e26bd90e5f7c1e44dd2b74d84d2f158dc7b983fbDaniel Dunbar if (llvm::StringRef(ProgName).endswith("++") || 2360dea4be511706307849d83a89f56695444c718acDaniel Dunbar llvm::StringRef(ProgName).rsplit('-').first.endswith("++")) { 2378fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar TheDriver.CCCIsCXX = true; 2380dea4be511706307849d83a89f56695444c718acDaniel Dunbar TheDriver.CCCGenericGCCName = "g++"; 2390dea4be511706307849d83a89f56695444c718acDaniel Dunbar } 2408fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar 241e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar llvm::OwningPtr<Compilation> C; 242e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 2434c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE. 2444c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS"); 2454c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (TheDriver.CCPrintOptions) 2464c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE"); 2474c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 248ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 249ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 250a1e2fd9b580ae583b91d3288d59c00ca9f6a56b8Daniel Dunbar std::set<std::string> SavedStrings; 251ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 252ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 253ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::vector<const char*> StringPointers(argv, argv + argc); 254ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 255ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ApplyQAOverride(StringPointers, OverrideStr, SavedStrings); 256ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 257237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2580311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 259ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 260e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar std::vector<const char*> StringPointers; 261e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 262e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 263e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.push_back(argv[0]); 264e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 265e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 266e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 267237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 268e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 269ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, 270ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar std::string(Cur, Next))); 271e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 272e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 273ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 274ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar StringPointers.push_back(SaveStringInSet(SavedStrings, Cur)); 275e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 276e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 277e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 278e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 279e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar StringPointers.insert(StringPointers.end(), argv + 1, argv + argc); 280e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 281237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar C.reset(TheDriver.BuildCompilation(StringPointers.size(), 2820311d47665bcdd186af6fc1bcfa40cf186ae7b9aDaniel Dunbar &StringPointers[0])); 283e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else 2848e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar C.reset(TheDriver.BuildCompilation(argc, argv)); 2853ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 286af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 287af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 288c88a88f6f7672b6bb831dce9da4acfa0c846975fDaniel Dunbar Res = TheDriver.ExecuteCompilation(*C); 2898f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 29030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 29130bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // If any timers were active but haven't been destroyed yet, print their 29230bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // results now. This happens in -disable-free mode. 29330bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::TimerGroup::printAll(llvm::errs()); 29430bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 2958f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 2968f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 297af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 2983ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 299