driver.cpp revision 80ec127fc9af8b83eea326fbd65265a1adc307d8
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 152dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Driver/ArgList.h" 162dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Driver/CC1Options.h" 173ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Compilation.h" 183ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Driver.h" 192c6f6f3c170502c5b810102cf85f05732a2aa9d0Daniel Dunbar#include "clang/Driver/Option.h" 202dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Driver/OptTable.h" 212dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Frontend/CompilerInvocation.h" 22af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar#include "clang/Frontend/DiagnosticOptions.h" 23af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar#include "clang/Frontend/TextDiagnosticPrinter.h" 242dec85b21822f950bf6035640c496ad835e11728Chad Rosier#include "clang/Frontend/Utils.h" 252c6f6f3c170502c5b810102cf85f05732a2aa9d0Daniel Dunbar 267f9fc3f7ce076645cb6aefc99c64d9446caf13d6Chris Lattner#include "llvm/ADT/ArrayRef.h" 27510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar#include "llvm/ADT/SmallString.h" 288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/ADT/SmallVector.h" 293ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/ADT/OwningPtr.h" 308a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/ErrorHandling.h" 31fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer#include "llvm/Support/FileSystem.h" 328f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/ManagedStatic.h" 338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/MemoryBuffer.h" 348f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/PrettyStackTrace.h" 350de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar#include "llvm/Support/Regex.h" 3630bc7e8e560941f730fd94109e81ac600767b0abChris Lattner#include "llvm/Support/Timer.h" 374ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbar#include "llvm/Support/raw_ostream.h" 3803013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Host.h" 3903013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Path.h" 4003013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 4103013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Signals.h" 42a6b4045dc462c03cd1e7cb9c3ec9dbfdb9c6ad62Evan Cheng#include "llvm/Support/TargetRegistry.h" 43a6b4045dc462c03cd1e7cb9c3ec9dbfdb9c6ad62Evan Cheng#include "llvm/Support/TargetSelect.h" 443a321e23f66128dbb986343927456ff6702af617Michael J. Spencer#include "llvm/Support/system_error.h" 4543d013d7060e77f0d15faa9cff820c343ba5629aDouglas Gregor#include <cctype> 464ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 471b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 483ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 49aeed3da83c112d0649c30493c059314d85d99080Benjamin Kramerllvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 500f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 510f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 520f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 53734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 54734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 55734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 56734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 57734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 58734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 59237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 605f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef S) { 61ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 62ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 63ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 64ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 65ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 66ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 67ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 68ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 69ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 70e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 71e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 72ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 73ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 74ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 75ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 760de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 770de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 78ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 79ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 80ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 81ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 82ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 83ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 84ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 85ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 86e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 87e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 88e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 89e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 90e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 915f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ApplyOneQAOverride(raw_ostream &OS, 925f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &Args, 935f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Edit, 9430bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 95ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 96ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 97237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 98237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 990de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 100237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 101237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 102237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 103237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 1040de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 105237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 106237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 1070de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 1085f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner Edit.slice(2, Edit.size()-1).find('/') != StringRef::npos) { 1095f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef MatchPattern = Edit.substr(2).split('/').first; 1105f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef ReplPattern = Edit.substr(2).split('/').second; 1110de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 1120de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1130de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1140de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1150de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1160de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1170de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1180de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1190de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1200de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 122237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 135237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 139237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 140237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 141237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 142237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 143237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 144237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 145237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 146237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 147237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 148237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 149237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1500de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 151237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 152237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 153237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 154ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 155ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 156ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 157ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 1585f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ApplyQAOverride(SmallVectorImpl<const char*> &Args, 15930bc7e8e560941f730fd94109e81ac600767b0abChris Lattner const char *OverrideStr, 16030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 1615f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream *OS = &llvm::errs(); 162237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 163e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 164e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 165e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 166e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 167e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 168e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 169ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 170ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 171ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 172ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 173ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 174ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 175ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 176ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 177ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 178e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 179ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 180ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 181ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 182ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 183ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 184ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 185c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 186545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 18741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbarextern int cc1as_main(const char **ArgBegin, const char **ArgEnd, 18841b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar const char *Argv0, void *MainAddr); 189217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1908a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgsFromBuf(const char *Arg, 1915f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &ArgVector, 1928a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 1938a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *FName = Arg + 1; 1941e4c01b79273b9cd4e9e9ecfd3422df3900b8356Dylan Noblesmith OwningPtr<llvm::MemoryBuffer> MemBuf; 1954eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer if (llvm::MemoryBuffer::getFile(FName, MemBuf)) { 1968a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, Arg)); 1978a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola return; 1988a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 1998a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2008a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Buf = MemBuf->getBufferStart(); 2018a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola char InQuote = ' '; 2028a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string CurArg; 2038a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2048a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (const char *P = Buf; ; ++P) { 2058a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0' || (isspace(*P) && InQuote == ' ')) { 2068a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (!CurArg.empty()) { 2078a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2088a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (CurArg[0] != '@') { 2098a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, CurArg)); 2108a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } else { 2118a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(CurArg.c_str(), ArgVector, SavedStrings); 2128a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2138a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2148a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg = ""; 2158a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2168a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0') 2178a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola break; 2188a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2198a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2208a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2218a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2228a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (isspace(*P)) { 2238a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote != ' ') 2248a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2258a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2268a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2278a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '"' || *P == '\'') { 2298a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote == *P) 2308a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = ' '; 2318a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else if (InQuote == ' ') 2328a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = *P; 2338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2348a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2358a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2368a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2378a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2388a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\\') { 2398a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ++P; 2408a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P != '\0') 2418a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2428a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2438a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2448a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2468a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2488a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgv(int argc, const char **argv, 2495f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char*> &ArgVector, 2508a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 2518a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 0; i < argc; ++i) { 2528a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Arg = argv[i]; 2538a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (Arg[0] != '@') { 2548a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, std::string(Arg))); 2558a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2568a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2578a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2588a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(Arg, ArgVector, SavedStrings); 2598a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2608a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2618a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2625f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerstatic void ParseProgName(SmallVectorImpl<const char *> &ArgVector, 2630ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::set<std::string> &SavedStrings, 2640ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger Driver &TheDriver) 2650ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger{ 2660ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // Try to infer frontend type and default target from the program name. 2670ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 2680ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // suffixes[] contains the list of known driver suffixes. 2690ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // Suffixes are compared against the program name in order. 2700ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is a match, the frontend type is updated as necessary (CPP/C++). 2710ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is no match, a second round is done after stripping the last 2720ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // hyphen and everything following it. This allows using something like 2730ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // "clang++-2.9". 2740ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 2750ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // If there is a match in either the first or second round, 2760ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // the function tries to identify a target as prefix. E.g. 2770ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // "x86_64-linux-clang" as interpreted as suffix "clang" with 2780ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger // target prefix "x86_64-linux". If such a target prefix is found, 2799ec60dfe771ff28a84889dced6f8fd3748d3d55eSebastian Pop // is gets added via -target as implicit first argument. 2800ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger static const struct { 2810ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger const char *Suffix; 2820ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool IsCXX; 2830ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool IsCPP; 2840ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } suffixes [] = { 2850ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "clang", false, false }, 2860ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "clang++", true, false }, 2870ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "clang-c++", true, false }, 2880ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "clang-cc", false, false }, 2890ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "clang-cpp", false, true }, 2900ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "clang-g++", true, false }, 2910ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "clang-gcc", false, false }, 2920ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "cc", false, false }, 2930ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "cpp", false, true }, 2940ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger { "++", true, false }, 2950ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger }; 2960ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::string ProgName(llvm::sys::path::stem(ArgVector[0])); 2975f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef ProgNameRef(ProgName); 2985f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Prefix; 2990ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3000ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger for (int Components = 2; Components; --Components) { 3010ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger bool FoundMatch = false; 3020ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger size_t i; 3030ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3040ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger for (i = 0; i < sizeof(suffixes) / sizeof(suffixes[0]); ++i) { 3050ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (ProgNameRef.endswith(suffixes[i].Suffix)) { 3060ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger FoundMatch = true; 3070ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (suffixes[i].IsCXX) 3080ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger TheDriver.CCCIsCXX = true; 3090ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (suffixes[i].IsCPP) 3100ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger TheDriver.CCCIsCPP = true; 3110ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3120ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3130ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3140ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3150ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (FoundMatch) { 3165f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef::size_type LastComponent = ProgNameRef.rfind('-', 3170ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ProgNameRef.size() - strlen(suffixes[i].Suffix)); 3185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (LastComponent != StringRef::npos) 3190ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger Prefix = ProgNameRef.slice(0, LastComponent); 3200ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3210ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3220ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef::size_type LastComponent = ProgNameRef.rfind('-'); 3245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (LastComponent == StringRef::npos) 3250ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger break; 3260ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ProgNameRef = ProgNameRef.slice(0, LastComponent); 3270ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3280ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3290ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (Prefix.empty()) 3300ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger return; 3310ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3320ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger std::string IgnoredError; 3330ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger if (llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError)) { 3345f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<const char *>::iterator it = ArgVector.begin(); 335ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger if (it != ArgVector.end()) 336ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ++it; 337ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ArgVector.insert(it, SaveStringInSet(SavedStrings, Prefix)); 338ca0264320a02c636beaedf834e8725b7d1d767e7Joerg Sonnenberger ArgVector.insert(it, 3399ec60dfe771ff28a84889dced6f8fd3748d3d55eSebastian Pop SaveStringInSet(SavedStrings, std::string("-target"))); 3400ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger } 3410ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger} 3420ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger 3438a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolaint main(int argc_, const char **argv_) { 3443ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 3458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola llvm::PrettyStackTraceProgram X(argc_, argv_); 3468a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 3478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> SavedStrings; 3485f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<const char*, 256> argv; 3498a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 3508a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgv(argc_, argv_, argv, SavedStrings); 3513ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 35241b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Handle -cc1 integrated tools. 3535f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (argv.size() > 1 && StringRef(argv[1]).startswith("-cc1")) { 3545f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Tool = argv[1] + 4; 35541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 35641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "") 357e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1_main(argv.data()+2, argv.data()+argv.size(), argv[0], 35841b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 35941b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "as") 360e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar return cc1as_main(argv.data()+2, argv.data()+argv.size(), argv[0], 36141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 36241b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 36341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Reject unknown tools. 36441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n"; 36541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return 1; 36641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar } 367c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 3680f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 3698a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 1, size = argv.size(); i < size; ++i) { 3705f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(argv[i]) == "-no-canonical-prefixes") { 3710f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 3720f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 3730f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 3740f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 3750f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 3760f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola llvm::sys::Path Path = GetExecutablePath(argv[0], CanonicalPrefixes); 3770f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 3782dec85b21822f950bf6035640c496ad835e11728Chad Rosier DiagnosticOptions DiagOpts; 3792dec85b21822f950bf6035640c496ad835e11728Chad Rosier { 3802dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Note that ParseDiagnosticArgs() uses the cc1 option table. 3812dec85b21822f950bf6035640c496ad835e11728Chad Rosier OwningPtr<OptTable> CC1Opts(createCC1OptTable()); 3822dec85b21822f950bf6035640c496ad835e11728Chad Rosier unsigned MissingArgIndex, MissingArgCount; 3832dec85b21822f950bf6035640c496ad835e11728Chad Rosier OwningPtr<InputArgList> Args(CC1Opts->ParseArgs(argv.begin()+1, argv.end(), 3842dec85b21822f950bf6035640c496ad835e11728Chad Rosier MissingArgIndex, MissingArgCount)); 3852dec85b21822f950bf6035640c496ad835e11728Chad Rosier // We ignore MissingArgCount and the return value of ParseDiagnosticArgs. 3862dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Any errors that would be diagnosed here will also be diagnosed later, 3872dec85b21822f950bf6035640c496ad835e11728Chad Rosier // when the DiagnosticsEngine actually exists. 3882dec85b21822f950bf6035640c496ad835e11728Chad Rosier (void) ParseDiagnosticArgs(DiagOpts, *Args); 3892dec85b21822f950bf6035640c496ad835e11728Chad Rosier } 3902dec85b21822f950bf6035640c496ad835e11728Chad Rosier // Now we can create the DiagnosticsEngine with a properly-filled-out 3912dec85b21822f950bf6035640c496ad835e11728Chad Rosier // DiagnosticOptions instance. 392bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor TextDiagnosticPrinter *DiagClient 3932dec85b21822f950bf6035640c496ad835e11728Chad Rosier = new TextDiagnosticPrinter(llvm::errs(), DiagOpts); 394d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer DiagClient->setPrefix(llvm::sys::path::stem(Path.str())); 395c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); 3962dec85b21822f950bf6035640c496ad835e11728Chad Rosier 397d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine Diags(DiagID, DiagClient); 3982dec85b21822f950bf6035640c496ad835e11728Chad Rosier ProcessWarningOptions(Diags, DiagOpts); 399510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 400f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#ifdef CLANG_IS_PRODUCTION 401240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = true; 402f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#else 403240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = false; 404f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#endif 4055d8b9548420e67f1bf45b7bbc1cf9fb86e9e4505Sebastian Pop Driver TheDriver(Path.str(), llvm::sys::getDefaultTargetTriple(), 40610a82cde7c317c5dd41dc3faf17f503c52ce2a3dBob Wilson "a.out", IsProduction, Diags); 407e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 408edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // Attempt to find the original path used to invoke the driver, to determine 409edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // the installed path. We do this manually, because we want to support that 410edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar // path being a symlink. 411fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer { 41236d592718ff342f762e32cbde73d1113f88cb275Dylan Noblesmith SmallString<128> InstalledPath(argv[0]); 413fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer 414fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer // Do a PATH lookup, if there are no directory components. 415fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (llvm::sys::path::filename(InstalledPath) == InstalledPath) { 416fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::Path Tmp = llvm::sys::Program::FindProgramByName( 417fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::path::filename(InstalledPath.str())); 418fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!Tmp.empty()) 419fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer InstalledPath = Tmp.str(); 420fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer } 421fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer llvm::sys::fs::make_absolute(InstalledPath); 422fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer InstalledPath = llvm::sys::path::parent_path(InstalledPath); 423fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer bool exists; 424fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer if (!llvm::sys::fs::exists(InstalledPath.str(), exists) && exists) 425fbfd180495e7800975c6d9bdc6d24e706ef70e34Michael J. Spencer TheDriver.setInstalledDir(InstalledPath); 426edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar } 427edf29b00bc1641034b38be92146e15f0625a45d2Daniel Dunbar 4280ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger llvm::InitializeAllTargets(); 4290ce89c6b36004b2def9e7606c7d4678885314d5fJoerg Sonnenberger ParseProgName(argv, SavedStrings, TheDriver); 4309ade4ae4fb7ed1fcbd63835d9f8f53052f0657a2Joerg Sonnenberger 4314c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE. 4324c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS"); 4334c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (TheDriver.CCPrintOptions) 4344c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE"); 4354c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 436322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar // Handle CC_PRINT_HEADERS and CC_PRINT_HEADERS_FILE. 437322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar TheDriver.CCPrintHeaders = !!::getenv("CC_PRINT_HEADERS"); 438322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar if (TheDriver.CCPrintHeaders) 439322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar TheDriver.CCPrintHeadersFilename = ::getenv("CC_PRINT_HEADERS_FILE"); 440322c29fefe7fa33f03273136eb5f8b7f5b4df7c0Daniel Dunbar 441c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar // Handle CC_LOG_DIAGNOSTICS and CC_LOG_DIAGNOSTICS_FILE. 442c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS"); 443c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar if (TheDriver.CCLogDiagnostics) 444c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE"); 445c8a22b091677c02003880166e5d5767ca8d74b70Daniel Dunbar 446ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 447ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 448ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 449ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 4508a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ApplyQAOverride(argv, OverrideStr, SavedStrings); 451ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 452e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 4538a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::vector<const char*> ExtraArgs; 454e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 455e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 456e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 457237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 458e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 4598a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, 4608a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string(Cur, Next))); 461e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 462e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 463ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 4648a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, Cur)); 465e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 466e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 467e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 468e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 469e5d69670b6e49d11287bc8f031e0e2081755cfacDaniel Dunbar argv.insert(&argv[1], ExtraArgs.begin(), ExtraArgs.end()); 47006e35d3d02a1147a448cf08c9c34bc3acccaa63cRafael Espindola } 4713ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 4721e4c01b79273b9cd4e9e9ecfd3422df3900b8356Dylan Noblesmith OwningPtr<Compilation> C(TheDriver.BuildCompilation(argv)); 473af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 4742b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier const Command *FailingCommand = 0; 475af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 4762b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Res = TheDriver.ExecuteCompilation(*C, FailingCommand); 4772b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 47880ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier // Force a crash to test the diagnostics. 47980ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier if(::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH")) 48080ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier Res = -1; 48180ec127fc9af8b83eea326fbd65265a1adc307d8Chad Rosier 4822b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // If result status is < 0, then the driver command signalled an error. 4832b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // In this case, generate additional diagnostic information if possible. 4842b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier if (Res < 0) 4852b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TheDriver.generateCompilationDiagnostics(*C, FailingCommand); 4862b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 48730bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // If any timers were active but haven't been destroyed yet, print their 48830bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // results now. This happens in -disable-free mode. 48930bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::TimerGroup::printAll(llvm::errs()); 49030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 4918f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 4928f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 493af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 4943ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 495