driver.cpp revision ac1db6b2bde50e9a0f3846243f654f6c13682725
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 153f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose#include "clang/Basic/CharInfo.h" 1602c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor#include "clang/Basic/DiagnosticOptions.h" 173ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Compilation.h" 183ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Driver.h" 19a57b3b4fea1c962678972af8fc74e121ff8b296dRichard Smith#include "clang/Driver/DriverDiagnostic.h" 20f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "clang/Driver/Options.h" 212dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Frontend/CompilerInvocation.h" 22af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar#include "clang/Frontend/TextDiagnosticPrinter.h" 232dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Frontend/Utils.h" 247f9fc3f7ce076645cb6aefc99c64d9446caf13d6Chris Lattner#include "llvm/ADT/ArrayRef.h" 25f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/ADT/OwningPtr.h" 26510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar#include "llvm/ADT/SmallString.h" 278a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/ADT/SmallVector.h" 28b1e25a1bc03292dc538d336573e0be1490223171Reid Kleckner#include "llvm/Option/ArgList.h" 29b1e25a1bc03292dc538d336573e0be1490223171Reid Kleckner#include "llvm/Option/OptTable.h" 30b1e25a1bc03292dc538d336573e0be1490223171Reid Kleckner#include "llvm/Option/Option.h" 318a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/ErrorHandling.h" 32fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer#include "llvm/Support/FileSystem.h" 33f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/Host.h" 348f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/ManagedStatic.h" 358a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/MemoryBuffer.h" 3603013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Path.h" 37a372f40dac73b69936f6a713df0808c740bb326cRafael Espindola#include "llvm/Support/PathV1.h" 38f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/PrettyStackTrace.h" 3903013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 40f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/Regex.h" 4103013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Signals.h" 42a6b4045dc462c03cd1e7cb9c3ec9dbfdb9c6ad62Evan Cheng#include "llvm/Support/TargetRegistry.h" 43a6b4045dc462c03cd1e7cb9c3ec9dbfdb9c6ad62Evan Cheng#include "llvm/Support/TargetSelect.h" 44f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/Timer.h" 45f59edb96b2d0bfe612b732f19519ab84bb995bd4Chandler Carruth#include "llvm/Support/raw_ostream.h" 463a321e23f66128dbb986343927456ff6702af617Michael J. Spencer#include "llvm/Support/system_error.h" 474ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 481b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 49b1e25a1bc03292dc538d336573e0be1490223171Reid Klecknerusing namespace llvm::opt; 503ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 51ac1db6b2bde50e9a0f3846243f654f6c13682725Rafael Espindolastd::string GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 520f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 53ac1db6b2bde50e9a0f3846243f654f6c13682725Rafael Espindola return Argv0; 540f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 55734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 56734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 57734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 58ac1db6b2bde50e9a0f3846243f654f6c13682725Rafael Espindola return llvm::sys::fs::getMainExecutable(Argv0, P); 59734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 60734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 61237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 625f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef S) { 63ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 64ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 65ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 66ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 67ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 68ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 69ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 70ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 71ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 72e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 73e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 74ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 75ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 76ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 77ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 780de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 790de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 80ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 81ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 82ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 83ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 84ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 85ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 86ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 87ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 88e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 89e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 90e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 91e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 92e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 935f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ApplyOneQAOverride(raw_ostream &OS, 945f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &Args, 955f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Edit, 9630bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 97ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 98ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 99237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 100237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 1010de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 102237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 103237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 104237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 105237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 1060de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 107237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 108237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 1090de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 1105f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner Edit.slice(2, Edit.size()-1).find('/') != StringRef::npos) { 1115f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef MatchPattern = Edit.substr(2).split('/').first; 1125f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef ReplPattern = Edit.substr(2).split('/').second; 1130de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 1140de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1150de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1160de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1170de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1180de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1190de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1200de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1210de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1220de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 135237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 139237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 140237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 141237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 142237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 143237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 144237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 145237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 146237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 147237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 148237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 149237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 150237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 151237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1520de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 153237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 154237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 155237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 156ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 157ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 158ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 159ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 1605f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ApplyQAOverride(SmallVectorImpl<const char*> &Args, 16130bc7e8e560941f730fd94109e81ac600767b0abChris Lattner const char *OverrideStr, 16230bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 1635f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream *OS = &llvm::errs(); 164237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 165e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 166e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 167e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 168e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 169e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 170e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 171ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 172ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 173ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 174ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 175ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 176ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 177ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 178ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 179ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 180e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 181ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 182ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 183ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 184ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 185ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 186ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 187c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 188545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 18941b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbarextern int cc1as_main(const char **ArgBegin, const char **ArgEnd, 19041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar const char *Argv0, void *MainAddr); 191217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1928a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgsFromBuf(const char *Arg, 1935f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &ArgVector, 1948a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 1958a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *FName = Arg + 1; 1961e4c01b79273b9cd4e9e9ecfd3422df3900b8356Dylan Noblesmith OwningPtr<llvm::MemoryBuffer> MemBuf; 1974eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer if (llvm::MemoryBuffer::getFile(FName, MemBuf)) { 1988a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, Arg)); 1998a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola return; 2008a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2018a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2028a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Buf = MemBuf->getBufferStart(); 2038a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola char InQuote = ' '; 2048a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string CurArg; 2058a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2068a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (const char *P = Buf; ; ++P) { 2073f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose if (*P == '\0' || (isWhitespace(*P) && InQuote == ' ')) { 2088a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (!CurArg.empty()) { 2098a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2108a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (CurArg[0] != '@') { 2118a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, CurArg)); 2128a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } else { 2138a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(CurArg.c_str(), ArgVector, SavedStrings); 2148a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2158a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2168a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg = ""; 2178a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2188a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0') 2198a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola break; 2208a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2218a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2228a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2238a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2243f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose if (isWhitespace(*P)) { 2258a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote != ' ') 2268a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2278a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2298a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2308a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '"' || *P == '\'') { 2318a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote == *P) 2328a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = ' '; 2338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else if (InQuote == ' ') 2348a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = *P; 2358a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2368a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2378a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2388a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2398a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2408a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\\') { 2418a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ++P; 2428a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P != '\0') 2438a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2448a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2468a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2488a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2498a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2508a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgv(int argc, const char **argv, 2515f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &ArgVector, 2528a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 2538a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 0; i < argc; ++i) { 2548a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Arg = argv[i]; 2558a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (Arg[0] != '@') { 2568a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, std::string(Arg))); 2578a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2588a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2598a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2608a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(Arg, ArgVector, SavedStrings); 2618a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2628a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2638a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2645f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ParseProgName(SmallVectorImpl<const char *> &ArgVector, 2650ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::set<std::string> &SavedStrings, 2660ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger Driver &TheDriver) 2670ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger{ 2680ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // Try to infer frontend type and default target from the program name. 2690ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 2700ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // suffixes[] contains the list of known driver suffixes. 2710ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // Suffixes are compared against the program name in order. 2720ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is a match, the frontend type is updated as necessary (CPP/C++). 2730ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is no match, a second round is done after stripping the last 2740ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // hyphen and everything following it. This allows using something like 2750ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // "clang++-2.9". 2760ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 2770ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is a match in either the first or second round, 2780ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // the function tries to identify a target as prefix. E.g. 2790ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // "x86_64-linux-clang" as interpreted as suffix "clang" with 2800ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // target prefix "x86_64-linux". If such a target prefix is found, 2819ec60dfe771ff28a84889dced6f8fd3748d3d55eSebastian Pop // is gets added via -target as implicit first argument. 2820ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger static const struct { 2830ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger const char *Suffix; 2840ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool IsCXX; 2850ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool IsCPP; 2860ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } suffixes [] = { 287a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang", false, false }, 288a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang++", true, false }, 289a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-c++", true, false }, 290a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-cc", false, false }, 291a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-cpp", false, true }, 292a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-g++", true, false }, 293a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "clang-gcc", false, false }, 294a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "cc", false, false }, 295a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "cpp", false, true }, 296a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth { "++", true, false }, 2970ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger }; 2980ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::string ProgName(llvm::sys::path::stem(ArgVector[0])); 2995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef ProgNameRef(ProgName); 3005f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Prefix; 3010ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3020ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger for (int Components = 2; Components; --Components) { 3030ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool FoundMatch = false; 3040ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger size_t i; 3050ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3060ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger for (i = 0; i < sizeof(suffixes) / sizeof(suffixes[0]); ++i) { 3070ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (ProgNameRef.endswith(suffixes[i].Suffix)) { 3080ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger FoundMatch = true; 309a74e4afa5764ffa8c335dea3d0047a00a17e7a24Chandler Carruth if (suffixes[i].IsCXX) 3100ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger TheDriver.CCCIsCXX = true; 3110ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (suffixes[i].IsCPP) 3120ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger TheDriver.CCCIsCPP = true; 3130ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3140ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3150ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3160ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3170ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (FoundMatch) { 3185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef::size_type LastComponent = ProgNameRef.rfind('-', 3190ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ProgNameRef.size() - strlen(suffixes[i].Suffix)); 3205f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (LastComponent != StringRef::npos) 3210ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger Prefix = ProgNameRef.slice(0, LastComponent); 3220ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3230ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3240ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3255f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef::size_type LastComponent = ProgNameRef.rfind('-'); 3265f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (LastComponent == StringRef::npos) 3270ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3280ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ProgNameRef = ProgNameRef.slice(0, LastComponent); 3290ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3300ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3310ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (Prefix.empty()) 3320ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger return; 3330ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3340ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::string IgnoredError; 3350ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError)) { 3365f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char *>::iterator it = ArgVector.begin(); 337ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger if (it != ArgVector.end()) 338ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ++it; 339ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ArgVector.insert(it, SaveStringInSet(SavedStrings, Prefix)); 340ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ArgVector.insert(it, 3419ec60dfe771ff28a84889dced6f8fd3748d3d55eSebastian Pop SaveStringInSet(SavedStrings, std::string("-target"))); 3420ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3430ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger} 3440ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolaint main(int argc_, const char **argv_) { 3463ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 3478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola llvm::PrettyStackTraceProgram X(argc_, argv_); 3488a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 3498a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> SavedStrings; 3505f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<const char*, 256> argv; 3518a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 3528a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgv(argc_, argv_, argv, SavedStrings); 3533ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 35441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Handle -cc1 integrated tools. 3555f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (argv.size() > 1 && StringRef(argv[1]).startswith("-cc1")) { 3565f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Tool = argv[1] + 4; 35741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 35841b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "") 359e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1_main(argv.data()+2, argv.data()+argv.size(), argv[0], 36041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 36141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "as") 362e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1as_main(argv.data()+2, argv.data()+argv.size(), argv[0], 36341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 36441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 36541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Reject unknown tools. 36641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n"; 36741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return 1; 36841b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar } 369c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 3700f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 3718a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 1, size = argv.size(); i < size; ++i) { 3725f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(argv[i]) == "-no-canonical-prefixes") { 3730f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 3740f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 3750f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 3760f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 3770f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 37879165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 37979165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier // command line behind the scenes. 38079165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 38179165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier // FIXME: Driver shouldn't take extra initial argument. 38279165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier ApplyQAOverride(argv, OverrideStr, SavedStrings); 38379165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 38479165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier // FIXME: Driver shouldn't take extra initial argument. 38579165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier std::vector<const char*> ExtraArgs; 38679165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier 38779165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier for (;;) { 38879165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier const char *Next = strchr(Cur, ','); 38979165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier 39079165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier if (Next) { 39179165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier ExtraArgs.push_back(SaveStringInSet(SavedStrings, 39279165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier std::string(Cur, Next))); 39379165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier Cur = Next + 1; 39479165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier } else { 39579165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier if (*Cur != '\0') 39679165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier ExtraArgs.push_back(SaveStringInSet(SavedStrings, Cur)); 39779165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier break; 39879165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier } 39979165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier } 40079165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier 40179165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier argv.insert(&argv[1], ExtraArgs.begin(), ExtraArgs.end()); 40279165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier } 40379165b82ddc881c705275fe9eb5a745f717a1edaChad Rosier 404ac1db6b2bde50e9a0f3846243f654f6c13682725Rafael Espindola std::string Path = GetExecutablePath(argv[0], CanonicalPrefixes); 4050f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 40602c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions; 4072dec85b21822f950bf6035640c496ad835e11728Chad Rosier { 4082dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Note that ParseDiagnosticArgs() uses the cc1 option table. 409bfd7a525bcf372004787cb641b8c1566b9e8aba5James Molloy OwningPtr<OptTable> CC1Opts(createDriverOptTable()); 4102dec85b21822f950bf6035640c496ad835e11728Chad Rosier unsigned MissingArgIndex, MissingArgCount; 4112dec85b21822f950bf6035640c496ad835e11728Chad Rosier OwningPtr<InputArgList> Args(CC1Opts->ParseArgs(argv.begin()+1, argv.end(), 4122dec85b21822f950bf6035640c496ad835e11728Chad Rosier MissingArgIndex, MissingArgCount)); 4132dec85b21822f950bf6035640c496ad835e11728Chad Rosier // We ignore MissingArgCount and the return value of ParseDiagnosticArgs. 4142dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Any errors that would be diagnosed here will also be diagnosed later, 4152dec85b21822f950bf6035640c496ad835e11728Chad Rosier // when the DiagnosticsEngine actually exists. 41602c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor (void) ParseDiagnosticArgs(*DiagOpts, *Args); 4172dec85b21822f950bf6035640c496ad835e11728Chad Rosier } 4182dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Now we can create the DiagnosticsEngine with a properly-filled-out 4192dec85b21822f950bf6035640c496ad835e11728Chad Rosier // DiagnosticOptions instance. 420bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor TextDiagnosticPrinter *DiagClient 42102c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor = new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts); 422ac1db6b2bde50e9a0f3846243f654f6c13682725Rafael Espindola DiagClient->setPrefix(llvm::sys::path::filename(Path)); 423c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); 4242dec85b21822f950bf6035640c496ad835e11728Chad Rosier 42502c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient); 42608e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier ProcessWarningOptions(Diags, *DiagOpts, /*ReportDiags=*/false); 427510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 428ac1db6b2bde50e9a0f3846243f654f6c13682725Rafael Espindola Driver TheDriver(Path, llvm::sys::getDefaultTargetTriple(), "a.out", Diags); 429e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 430edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // Attempt to find the original path used to invoke the driver, to determine 431edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // the installed path. We do this manually, because we want to support that 432edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // path being a symlink. 433fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer { 43436d592718ff342f762e32cbde73d1113f88cb275Dylan Noblesmith SmallString<128> InstalledPath(argv[0]); 435fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer 436fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer // Do a PATH lookup, if there are no directory components. 437fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (llvm::sys::path::filename(InstalledPath) == InstalledPath) { 4382289933d3dfad854c006c02738abb1c57d1d587eRafael Espindola std::string Tmp = llvm::sys::FindProgramByName( 439fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::path::filename(InstalledPath.str())); 440fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!Tmp.empty()) 4412289933d3dfad854c006c02738abb1c57d1d587eRafael Espindola InstalledPath = Tmp; 442fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer } 443fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::fs::make_absolute(InstalledPath); 444fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer InstalledPath = llvm::sys::path::parent_path(InstalledPath); 445fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer bool exists; 446fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!llvm::sys::fs::exists(InstalledPath.str(), exists) && exists) 447fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer TheDriver.setInstalledDir(InstalledPath); 448edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar } 449edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar 4500ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger llvm::InitializeAllTargets(); 4510ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ParseProgName(argv, SavedStrings, TheDriver); 4529ade4ae4fb7ed1fcbd63835d9f8f53052f0657a2Joerg Sonnenberger 4534c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE. 4544c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS"); 4554c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (TheDriver.CCPrintOptions) 4564c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE"); 4574c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 458322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar // Handle CC_PRINT_HEADERS and CC_PRINT_HEADERS_FILE. 459322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar TheDriver.CCPrintHeaders = !!::getenv("CC_PRINT_HEADERS"); 460322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar if (TheDriver.CCPrintHeaders) 461322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar TheDriver.CCPrintHeadersFilename = ::getenv("CC_PRINT_HEADERS_FILE"); 462322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar 463c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar // Handle CC_LOG_DIAGNOSTICS and CC_LOG_DIAGNOSTICS_FILE. 464c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS"); 465c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar if (TheDriver.CCLogDiagnostics) 466c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE"); 467c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar 4681e4c01b79273b9cd4e9e9ecfd3422df3900b8356Dylan Noblesmith OwningPtr<Compilation> C(TheDriver.BuildCompilation(argv)); 469af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 470a16355c31878403443f99077cc8df8318457faf5Chad Rosier SmallVector<std::pair<int, const Command *>, 4> FailingCommands; 471af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 472a16355c31878403443f99077cc8df8318457faf5Chad Rosier Res = TheDriver.ExecuteCompilation(*C, FailingCommands); 4732b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 47480ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier // Force a crash to test the diagnostics. 475a57b3b4fea1c962678972af8fc74e121ff8b296dRichard Smith if (::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH")) { 476a57b3b4fea1c962678972af8fc74e121ff8b296dRichard Smith Diags.Report(diag::err_drv_force_crash) << "FORCE_CLANG_DIAGNOSTICS_CRASH"; 477a16355c31878403443f99077cc8df8318457faf5Chad Rosier const Command *FailingCommand = 0; 478a16355c31878403443f99077cc8df8318457faf5Chad Rosier FailingCommands.push_back(std::make_pair(-1, FailingCommand)); 479a57b3b4fea1c962678972af8fc74e121ff8b296dRichard Smith } 48080ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier 481a16355c31878403443f99077cc8df8318457faf5Chad Rosier for (SmallVectorImpl< std::pair<int, const Command *> >::iterator it = 482a16355c31878403443f99077cc8df8318457faf5Chad Rosier FailingCommands.begin(), ie = FailingCommands.end(); it != ie; ++it) { 483a16355c31878403443f99077cc8df8318457faf5Chad Rosier int CommandRes = it->first; 484a16355c31878403443f99077cc8df8318457faf5Chad Rosier const Command *FailingCommand = it->second; 485a16355c31878403443f99077cc8df8318457faf5Chad Rosier if (!Res) 486a16355c31878403443f99077cc8df8318457faf5Chad Rosier Res = CommandRes; 487a16355c31878403443f99077cc8df8318457faf5Chad Rosier 488a16355c31878403443f99077cc8df8318457faf5Chad Rosier // If result status is < 0, then the driver command signalled an error. 489a16355c31878403443f99077cc8df8318457faf5Chad Rosier // If result status is 70, then the driver command reported a fatal error. 490a16355c31878403443f99077cc8df8318457faf5Chad Rosier // In these cases, generate additional diagnostic information if possible. 491a16355c31878403443f99077cc8df8318457faf5Chad Rosier if (CommandRes < 0 || CommandRes == 70) { 492a16355c31878403443f99077cc8df8318457faf5Chad Rosier TheDriver.generateCompilationDiagnostics(*C, FailingCommand); 493a16355c31878403443f99077cc8df8318457faf5Chad Rosier break; 494a16355c31878403443f99077cc8df8318457faf5Chad Rosier } 495a16355c31878403443f99077cc8df8318457faf5Chad Rosier } 4962b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 49730bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // If any timers were active but haven't been destroyed yet, print their 49830bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // results now. This happens in -disable-free mode. 49930bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::TimerGroup::printAll(llvm::errs()); 50030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 5018f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 5028f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 503df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi#ifdef _WIN32 504df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi // Exit status should not be negative on Win32, unless abnormal termination. 505df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi // Once abnormal termiation was caught, negative status should not be 506df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi // propagated. 507df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi if (Res < 0) 508df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi Res = 1; 509df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi#endif 510df9b933aa354b8108cee028cc4726cfa9f2df62cNAKAMURA Takumi 511a16355c31878403443f99077cc8df8318457faf5Chad Rosier // If we have multiple failing commands, we return the result of the first 512a16355c31878403443f99077cc8df8318457faf5Chad Rosier // failing command. 513af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 5143ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 515