driver.cpp revision 8a1af325b424c3cf62a6164a43466b473ec5a666
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" 228a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/ADT/SmallVector.h" 233ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/ADT/OwningPtr.h" 24dd98e2cad165ca73c769e4f105a4e47c2216387aDaniel Dunbar#include "llvm/Config/config.h" 258a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/ErrorHandling.h" 268f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/ManagedStatic.h" 278a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola#include "llvm/Support/MemoryBuffer.h" 288f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar#include "llvm/Support/PrettyStackTrace.h" 290de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar#include "llvm/Support/Regex.h" 3030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner#include "llvm/Support/Timer.h" 314ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbar#include "llvm/Support/raw_ostream.h" 32af07f936b698575f2c91f1c1134c116f1ef0deddDaniel Dunbar#include "llvm/System/Host.h" 33365c02f65be026f90e67a8e00e7b827cee60e228Daniel Dunbar#include "llvm/System/Path.h" 343ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "llvm/System/Signals.h" 354ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarusing namespace clang; 361b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 373ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 380f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindolallvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) { 390f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (!CanonicalPrefixes) 400f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola return llvm::sys::Path(Argv0); 410f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 42734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 43734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar // allow taking the address of ::main however. 44734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 45734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 46734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar} 47734932c7dc77a16b15d466588e10d76bcd6d13c7Daniel Dunbar 48237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbarstatic const char *SaveStringInSet(std::set<std::string> &SavedStrings, 490de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef S) { 50ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar return SavedStrings.insert(S).first->c_str(); 51ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 52ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 53ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a list of edits to the input argument lists. 54ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 55ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// The input string is a space separate list of edits to perform, 56ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// they are applied in order to the input argument lists. Edits 57ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// should be one of the following forms: 58ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 59e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// '#': Silence information about the changes to the command line arguments. 60e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 61ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '^': Add FOO as a new argument at the beginning of the command line. 62ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 63ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// '+': Add FOO as a new argument at the end of the command line. 64ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 650de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command 660de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar/// line. 67ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 68ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'xOPTION': Removes all instances of the literal argument OPTION. 69ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 70ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'XOPTION': Removes all instances of the literal argument OPTION, 71ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// and the following argument. 72ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 73ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox' 74ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// at the end of the command line. 75e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// 76e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param OS - The stream to write edit information to. 77e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Args - The vector of command line arguments. 78e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param Edit - The override command to perform. 79e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar/// \param SavedStrings - Set to use for storing string representations. 8030bc7e8e560941f730fd94109e81ac600767b0abChris Lattnerstatic void ApplyOneQAOverride(llvm::raw_ostream &OS, 8130bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::vector<const char*> &Args, 8230bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::StringRef Edit, 8330bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 84ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 85ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 86237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == '^') { 87237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 880de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 89237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at beginning\n"; 90237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.insert(Args.begin() + 1, Str); 91237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == '+') { 92237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *Str = 930de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar SaveStringInSet(SavedStrings, Edit.substr(1)); 94237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Str << " at end\n"; 95237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.push_back(Str); 960de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") && 970de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Edit.slice(2, Edit.size()-1).find('/') != llvm::StringRef::npos) { 980de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef MatchPattern = Edit.substr(2).split('/').first; 990de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar llvm::StringRef ReplPattern = Edit.substr(2).split('/').second; 1000de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1); 1010de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1020de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1030de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]); 1040de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar 1050de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar if (Repl != Args[i]) { 1060de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n"; 1070de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args[i] = SaveStringInSet(SavedStrings, Repl); 1080de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 1090de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar } 110237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'x' || Edit[0] == 'X') { 111237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar std::string Option = Edit.substr(1, std::string::npos); 112237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 113237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Option == Args[i]) { 114237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 115237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 116237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (Edit[0] == 'X') { 117237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (i < Args.size()) { 118237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 119237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 120237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 121237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Invalid X edit, end of command line!\n"; 122237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 123237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 124237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 125237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 126237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else if (Edit[0] == 'O') { 127237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar for (unsigned i = 1; i < Args.size();) { 128237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar const char *A = Args[i]; 129237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar if (A[0] == '-' && A[1] == 'O' && 130237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[2] == '\0' || 131237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' || 132237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ('0' <= A[2] && A[2] <= '9'))))) { 133237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Deleting argument " << Args[i] << '\n'; 134237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar Args.erase(Args.begin() + i); 135237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else 136237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar ++i; 137237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 138237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Adding argument " << Edit << " at end\n"; 1390de9a7beb107a4306d05cf3589f10c3e01cfcee2Daniel Dunbar Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str())); 140237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } else { 141237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar OS << "### Unrecognized edit: " << Edit << "\n"; 142237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar } 143ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 144ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 145ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// ApplyQAOverride - Apply a comma separate list of edits to the 146ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar/// input argument lists. See ApplyOneQAOverride. 14730bc7e8e560941f730fd94109e81ac600767b0abChris Lattnerstatic void ApplyQAOverride(std::vector<const char*> &Args, 14830bc7e8e560941f730fd94109e81ac600767b0abChris Lattner const char *OverrideStr, 14930bc7e8e560941f730fd94109e81ac600767b0abChris Lattner std::set<std::string> &SavedStrings) { 150e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar llvm::raw_ostream *OS = &llvm::errs(); 151237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 152e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar if (OverrideStr[0] == '#') { 153e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ++OverrideStr; 154e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar OS = &llvm::nulls(); 155e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar } 156e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar 157e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar *OS << "### QA_OVERRIDE_GCC3_OPTIONS: " << OverrideStr << "\n"; 158ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 159ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // This does not need to be efficient. 160ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 161ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *S = OverrideStr; 162ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar while (*S) { 163ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar const char *End = ::strchr(S, ' '); 164ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (!End) 165ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar End = S + strlen(S); 166ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (End != S) 167e3d6023cbf99a24609f52adb0af1fa1c6dafefd7Daniel Dunbar ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings); 168ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar S = End; 169ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*S != '\0') 170ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar ++S; 171ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } 172ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar} 173ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar 174c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbarextern int cc1_main(const char **ArgBegin, const char **ArgEnd, 175545c28117c64e78521b8b402caa060ba0b58a530Daniel Dunbar const char *Argv0, void *MainAddr); 17641b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbarextern int cc1as_main(const char **ArgBegin, const char **ArgEnd, 17741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar const char *Argv0, void *MainAddr); 178217acbfa3524d5805fda7900b26c1e779443588dDaniel Dunbar 1798a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgsFromBuf(const char *Arg, 1808a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::vector<const char*> &ArgVector, 1818a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 1828a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *FName = Arg + 1; 1838a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola llvm::MemoryBuffer *MemBuf = llvm::MemoryBuffer::getFile(FName); 1848a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (!MemBuf) { 1858a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, Arg)); 1868a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola return; 1878a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 1888a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 1898a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Buf = MemBuf->getBufferStart(); 1908a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola char InQuote = ' '; 1918a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string CurArg; 1928a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 1938a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (const char *P = Buf; ; ++P) { 1948a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0' || (isspace(*P) && InQuote == ' ')) { 1958a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (!CurArg.empty()) { 1968a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 1978a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (CurArg[0] != '@') { 1988a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, CurArg)); 1998a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } else { 2008a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(CurArg.c_str(), ArgVector, SavedStrings); 2018a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2028a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2038a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg = ""; 2048a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2058a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\0') 2068a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola break; 2078a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2088a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2098a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2108a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2118a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (isspace(*P)) { 2128a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote != ' ') 2138a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2148a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2158a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2168a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2178a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '"' || *P == '\'') { 2188a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (InQuote == *P) 2198a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = ' '; 2208a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else if (InQuote == ' ') 2218a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola InQuote = *P; 2228a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola else 2238a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2248a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2258a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2268a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2278a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P == '\\') { 2288a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ++P; 2298a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (*P != '\0') 2308a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2318a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2328a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola CurArg.push_back(*P); 2348a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2358a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola delete MemBuf; 2368a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2378a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2388a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolastatic void ExpandArgv(int argc, const char **argv, 2398a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::vector<const char*> &ArgVector, 2408a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> &SavedStrings) { 2418a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 0; i < argc; ++i) { 2428a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *Arg = argv[i]; 2438a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (Arg[0] != '@') { 2448a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ArgVector.push_back(SaveStringInSet(SavedStrings, std::string(Arg))); 2458a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola continue; 2468a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2488a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgsFromBuf(Arg, ArgVector, SavedStrings); 2498a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola } 2508a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola} 2518a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2528a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindolaint main(int argc_, const char **argv_) { 2533ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar llvm::sys::PrintStackTraceOnErrorSignal(); 2548a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola llvm::PrettyStackTraceProgram X(argc_, argv_); 2558a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2568a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::set<std::string> SavedStrings; 2578a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::vector<const char*> argv; 2588a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola 2598a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExpandArgv(argc_, argv_, argv, SavedStrings); 2603ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 26141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Handle -cc1 integrated tools. 2628a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola if (argv.size() > 1 && llvm::StringRef(argv[1]).startswith("-cc1")) { 26341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::StringRef Tool = argv[1] + 4; 26441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 26541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "") 2668a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola return cc1_main(&argv[2], &argv[argv.size()], argv[0], 26741b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 26841b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar if (Tool == "as") 2698a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola return cc1as_main(&argv[2], &argv[argv.size()], argv[0], 27041b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar (void*) (intptr_t) GetExecutablePath); 27141b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar 27241b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar // Reject unknown tools. 27341b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n"; 27441b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar return 1; 27541b5b17445ab3bdf957ebd4be6c8670f09a212a8Daniel Dunbar } 276c88aa79a6bdfd445df800006f723f83f39934e98Daniel Dunbar 2770f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola bool CanonicalPrefixes = true; 2788a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola for (int i = 1, size = argv.size(); i < size; ++i) { 2790f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola if (llvm::StringRef(argv[i]) == "-no-canonical-prefixes") { 2800f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola CanonicalPrefixes = false; 2810f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola break; 2820f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2830f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola } 2840f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 2850f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola llvm::sys::Path Path = GetExecutablePath(argv[0], CanonicalPrefixes); 2860f4c59c3beae302b5a3ecea13f2e257bdaad3188Rafael Espindola 287af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar TextDiagnosticPrinter DiagClient(llvm::errs(), DiagnosticOptions()); 288af20afb761a2426cd715fb8db36b90092e0bb6efDaniel Dunbar DiagClient.setPrefix(Path.getBasename()); 289510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 2908e6e70928adebea871389febd9b54ca82821dc87Daniel Dunbar Diagnostic Diags(&DiagClient); 291510d73200ec48496a2b10703385fe99b51e31fa5Daniel Dunbar 292f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#ifdef CLANG_IS_PRODUCTION 293240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = true; 2945d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# ifdef CLANGXX_IS_PRODUCTION 2955d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = true; 2965d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# else 2975d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = false; 2985d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar# endif 299f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#else 300240c734ee5a57000fdb870109e50102317b2cc3dKovarththanan Rajaratnam const bool IsProduction = false; 3015d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar const bool CXXIsProduction = false; 302f44c58563286bb448a72ed9c9af5f21718633230Daniel Dunbar#endif 3030bbad519aa068206f1e158d5073f72a39fbe83c5Daniel Dunbar Driver TheDriver(Path.str(), llvm::sys::getHostTriple(), 3045d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar "a.out", IsProduction, CXXIsProduction, 3055d93ed3c7a2dae0a8f422747e269963b3ef11d95Daniel Dunbar Diags); 306e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 3078fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Check for ".*++" or ".*++-[^-]*" to determine if we are a C++ 3088fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // compiler. This matches things like "c++", "clang++", and "clang++-1.1". 3098fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // 3108fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // Note that we intentionally want to use argv[0] here, to support "clang++" 3118fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar // being a symlink. 312d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // 313d5dc9f34ef2288ace0003e1fee011cc9e7d2d040Benjamin Kramer // We use *argv instead of argv[0] to work around a bogus g++ warning. 3148a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola const char *progname = argv_[0]; 3158a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string ProgName(llvm::sys::Path(progname).getBasename()); 316e26bd90e5f7c1e44dd2b74d84d2f158dc7b983fbDaniel Dunbar if (llvm::StringRef(ProgName).endswith("++") || 3170dea4be511706307849d83a89f56695444c718acDaniel Dunbar llvm::StringRef(ProgName).rsplit('-').first.endswith("++")) { 3188fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar TheDriver.CCCIsCXX = true; 3190dea4be511706307849d83a89f56695444c718acDaniel Dunbar TheDriver.CCCGenericGCCName = "g++"; 3200dea4be511706307849d83a89f56695444c718acDaniel Dunbar } 3218fa01c8f98ff7c8f40fee5014c9c393d806381a4Daniel Dunbar 322e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar llvm::OwningPtr<Compilation> C; 323e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 3244c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE. 3254c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS"); 3264c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (TheDriver.CCPrintOptions) 3274c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE"); 3284c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 329ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a 330ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // command line behind the scenes. 331ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (const char *OverrideStr = ::getenv("QA_OVERRIDE_GCC3_OPTIONS")) { 332ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 3338a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ApplyQAOverride(argv, OverrideStr, SavedStrings); 334ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar } else if (const char *Cur = ::getenv("CCC_ADD_ARGS")) { 335e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar // FIXME: Driver shouldn't take extra initial argument. 3368a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::vector<const char*> ExtraArgs; 337e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 338e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar for (;;) { 339e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar const char *Next = strchr(Cur, ','); 340237a31bf663c8c3783bd71dc7cfbdd0425a8ba69Daniel Dunbar 341e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar if (Next) { 3428a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, 3438a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola std::string(Cur, Next))); 344e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar Cur = Next + 1; 345e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } else { 346ec9587d5bed6149f6df8b57192bb787c62aedb1bDaniel Dunbar if (*Cur != '\0') 3478a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola ExtraArgs.push_back(SaveStringInSet(SavedStrings, Cur)); 348e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar break; 349e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 350e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar } 351e5be6dac24946e9521af78fce8e531e605f563d4Daniel Dunbar 3528a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola argv.insert(++argv.begin(), ExtraArgs.begin(), ExtraArgs.end()); 35306e35d3d02a1147a448cf08c9c34bc3acccaa63cRafael Espindola } 3548a1af325b424c3cf62a6164a43466b473ec5a666Rafael Espindola C.reset(TheDriver.BuildCompilation(argv.size(), &argv[0])); 3553ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 356af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar int Res = 0; 357af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar if (C.get()) 358c88a88f6f7672b6bb831dce9da4acfa0c846975fDaniel Dunbar Res = TheDriver.ExecuteCompilation(*C); 3598f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 36030bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 36130bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // If any timers were active but haven't been destroyed yet, print their 36230bc7e8e560941f730fd94109e81ac600767b0abChris Lattner // results now. This happens in -disable-free mode. 36330bc7e8e560941f730fd94109e81ac600767b0abChris Lattner llvm::TimerGroup::printAll(llvm::errs()); 36430bc7e8e560941f730fd94109e81ac600767b0abChris Lattner 3658f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar llvm::llvm_shutdown(); 3668f25c79e59d88df41c5a3cabba1c58035d384a6eDaniel Dunbar 367af96def468042cfbed55a4cc12b1bb917ead4f33Daniel Dunbar return Res; 3683ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 369