Compilation.cpp revision f9e156c774e08409f235f0e9c9e3133ec796e877
13fdcc6fb12d7cf38d2a3111736f80f0dd55447b4Nick Lewycky//===--- Compilation.cpp - Compilation Task Implementation ----------------===// 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 103ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar#include "clang/Driver/Compilation.h" 11586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 1221549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar#include "clang/Driver/Action.h" 13586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar#include "clang/Driver/ArgList.h" 14e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar#include "clang/Driver/Driver.h" 15e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar#include "clang/Driver/DriverDiagnostic.h" 16265e9ef9f3ef30a97790e6e7bbc3c17d97981ca7Daniel Dunbar#include "clang/Driver/Options.h" 17586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar#include "clang/Driver/ToolChain.h" 18586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 192b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier#include "llvm/ADT/STLExtras.h" 2024b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar#include "llvm/Support/raw_ostream.h" 2103013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 22e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar#include <sys/stat.h> 23e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar#include <errno.h> 241c3199afb8aeab5f4dfcef60999d13d9c6877a67Francois Pichet 251b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 261c3199afb8aeab5f4dfcef60999d13d9c6877a67Francois Pichetusing namespace clang; 273ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 28279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel DunbarCompilation::Compilation(const Driver &D, const ToolChain &_DefaultToolChain, 29279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar InputArgList *_Args, DerivedArgList *_TranslatedArgs) 30279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar : TheDriver(D), DefaultToolChain(_DefaultToolChain), Args(_Args), 312b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TranslatedArgs(_TranslatedArgs), Redirects(0) { 32586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar} 33586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 341eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpCompilation::~Compilation() { 35279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar delete TranslatedArgs; 36586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar delete Args; 371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar // Free any derived arg lists. 394954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar for (llvm::DenseMap<std::pair<const ToolChain*, const char*>, 404954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar DerivedArgList*>::iterator it = TCArgs.begin(), 414954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar ie = TCArgs.end(); it != ie; ++it) 42279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar if (it->second != TranslatedArgs) 43279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar delete it->second; 4421549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar 4521549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar // Free the actions, if built. 461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ActionList::iterator it = Actions.begin(), ie = Actions.end(); 4721549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar it != ie; ++it) 4821549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar delete *it; 492b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 502b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Free redirections of stdout/stderr. 512b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier if (Redirects) { 522b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier delete Redirects[1]; 532b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier delete Redirects[2]; 542b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier delete [] Redirects; 552b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier } 563ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 573ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 584954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbarconst DerivedArgList &Compilation::getArgsForToolChain(const ToolChain *TC, 594954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar const char *BoundArch) { 60586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar if (!TC) 61586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar TC = &DefaultToolChain; 62586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 634954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar DerivedArgList *&Entry = TCArgs[std::make_pair(TC, BoundArch)]; 64279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar if (!Entry) { 65279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar Entry = TC->TranslateArgs(*TranslatedArgs, BoundArch); 66279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar if (!Entry) 67279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar Entry = TranslatedArgs; 68279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar } 69586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 70aa3e0d292065fd50713b4c70647063c32d99a36aDaniel Dunbar return *Entry; 713ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 723ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 735f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnervoid Compilation::PrintJob(raw_ostream &OS, const Job &J, 7449b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar const char *Terminator, bool Quote) const { 7549b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar if (const Command *C = dyn_cast<Command>(&J)) { 7624b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar OS << " \"" << C->getExecutable() << '"'; 7724b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar for (ArgStringList::const_iterator it = C->getArguments().begin(), 7849b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar ie = C->getArguments().end(); it != ie; ++it) { 79b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << ' '; 805f22614327065a4ae78588eda8cb62f8b50502aaBenjamin Kramer if (!Quote && !std::strpbrk(*it, " \"\\$")) { 81b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << *it; 82b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar continue; 83b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar } 84b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar 85b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar // Quote the argument and escape shell special characters; this isn't 86b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar // really complete but is good enough. 87b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << '"'; 88b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar for (const char *s = *it; *s; ++s) { 89b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar if (*s == '"' || *s == '\\' || *s == '$') 90b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << '\\'; 91b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << *s; 92b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar } 93b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << '"'; 9449b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar } 9524b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar OS << Terminator; 9624b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar } else { 9749b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar const JobList *Jobs = cast<JobList>(&J); 981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (JobList::const_iterator 9924b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it) 10049b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar PrintJob(OS, **it, Terminator, Quote); 10124b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar } 10224b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar} 10324b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar 1041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool Compilation::CleanupFileList(const ArgStringList &Files, 105e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar bool IssueErrors) const { 106e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar bool Success = true; 107e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ArgStringList::const_iterator 109e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar it = Files.begin(), ie = Files.end(); it != ie; ++it) { 11056eec2bc2188574459a514f3650d581e00683126Edward O'Callaghan 111e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar llvm::sys::Path P(*it); 112e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar std::string Error; 113e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 1148ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar // Don't try to remove files which we don't have write access to (but may be 1158ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar // able to remove). Underlying tools may have intentionally not overwritten 1168ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar // them. 1178ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar if (!P.canWrite()) 1188ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar continue; 1198ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar 120e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar if (P.eraseFromDisk(false, &Error)) { 121978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman // Failure is only failure if the file exists and is "regular". There is 122978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman // a race condition here due to the limited interface of 123978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman // llvm::sys::Path, we want to know if the removal gave ENOENT. 124e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 125e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar // FIXME: Grumble, P.exists() is broken. PR3837. 126e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar struct stat buf; 127d99d0e8276dd320deaee02824602bc335ea1c770Benjamin Kramer if (::stat(P.c_str(), &buf) == 0 ? (buf.st_mode & S_IFMT) == S_IFREG : 128978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman (errno != ENOENT)) { 129e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar if (IssueErrors) 130e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar getDriver().Diag(clang::diag::err_drv_unable_to_remove_file) 131e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar << Error; 132e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar Success = false; 133e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar } 134e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar } 135e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar } 136e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 137e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar return Success; 138e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar} 139e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 14031c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbarint Compilation::ExecuteCommand(const Command &C, 14131c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar const Command *&FailingCommand) const { 142ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar llvm::sys::Path Prog(C.getExecutable()); 143ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar const char **Argv = new const char*[C.getArguments().size() + 2]; 144ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar Argv[0] = C.getExecutable(); 145ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar std::copy(C.getArguments().begin(), C.getArguments().end(), Argv+1); 146ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar Argv[C.getArguments().size() + 1] = 0; 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1482b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier if ((getDriver().CCCEcho || getDriver().CCPrintOptions || 1492b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier getArgs().hasArg(options::OPT_v)) && !getDriver().CCGenDiagnostics) { 1505f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream *OS = &llvm::errs(); 1514c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 1524c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Follow gcc implementation of CC_PRINT_OPTIONS; we could also cache the 1534c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // output stream. 1544c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (getDriver().CCPrintOptions && getDriver().CCPrintOptionsFilename) { 1554c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar std::string Error; 1564c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar OS = new llvm::raw_fd_ostream(getDriver().CCPrintOptionsFilename, 1574c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar Error, 1584c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar llvm::raw_fd_ostream::F_Append); 1594c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (!Error.empty()) { 1604c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar getDriver().Diag(clang::diag::err_drv_cc_print_options_failure) 1614c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar << Error; 1624c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar FailingCommand = &C; 1634c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar delete OS; 1644c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar return 1; 1654c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar } 1664c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar } 1674c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 1684c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (getDriver().CCPrintOptions) 1694c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar *OS << "[Logging clang options]"; 1704c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 1714c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar PrintJob(*OS, C, "\n", /*Quote=*/getDriver().CCPrintOptions); 1724c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 1734c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (OS != &llvm::errs()) 1744c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar delete OS; 1754c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar } 1761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 177ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar std::string Error; 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump int Res = 179ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar llvm::sys::Program::ExecuteAndWait(Prog, Argv, 1802b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier /*env*/0, Redirects, 181ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar /*secondsToWait*/0, /*memoryLimit*/0, 182ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar &Error); 183ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar if (!Error.empty()) { 184ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar assert(Res && "Error string set with 0 result code!"); 185ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar getDriver().Diag(clang::diag::err_drv_command_failure) << Error; 186ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar } 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18831c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar if (Res) 18931c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar FailingCommand = &C; 19031c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar 191ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar delete[] Argv; 192ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar return Res; 193ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar} 194ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar 1951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpint Compilation::ExecuteJob(const Job &J, 19631c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar const Command *&FailingCommand) const { 19749b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar if (const Command *C = dyn_cast<Command>(&J)) { 19831c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar return ExecuteCommand(*C, FailingCommand); 19949b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar } else { 20049b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar const JobList *Jobs = cast<JobList>(&J); 2011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (JobList::const_iterator 20249b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it) 20331c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar if (int Res = ExecuteJob(**it, FailingCommand)) 20449b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar return Res; 20549b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar return 0; 20649b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar } 20749b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar} 2082b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 2092b81910618f63e4ce2373c926a26e76b4b91373fChad Rosiervoid Compilation::initCompilationForDiagnostics(void) { 2102b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Free actions and jobs. 2112b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier DeleteContainerPointers(Actions); 2122b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Jobs.clear(); 2132b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 2142b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Clear temporary/results file lists. 2152b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TempFiles.clear(); 2162b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier ResultFiles.clear(); 2172b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 2182b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Remove any user specified output. Claim any unclaimed arguments, so as 2192b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // to avoid emitting warnings about unused args. 22054db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne OptSpecifier OutputOpts[] = { options::OPT_o, options::OPT_MD, 22154db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne options::OPT_MMD }; 222f9e156c774e08409f235f0e9c9e3133ec796e877Chad Rosier for (unsigned i = 0, e = llvm::array_lengthof(OutputOpts); i != e; ++i) { 22354db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne if (TranslatedArgs->hasArg(OutputOpts[i])) 22454db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne TranslatedArgs->eraseArg(OutputOpts[i]); 22554db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne } 2262b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TranslatedArgs->ClaimAllArgs(); 2272b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 2282b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Redirect stdout/stderr to /dev/null. 2292b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Redirects = new const llvm::sys::Path*[3](); 2302b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Redirects[1] = new const llvm::sys::Path(); 2312b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Redirects[2] = new const llvm::sys::Path(); 2322b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier} 2334762a2da74875d2ae94e0d77d38ed964816cce36Sebastian Pop 2344762a2da74875d2ae94e0d77d38ed964816cce36Sebastian PopStringRef Compilation::getSysRoot(void) const { 2354762a2da74875d2ae94e0d77d38ed964816cce36Sebastian Pop return getDriver().SysRoot; 2364762a2da74875d2ae94e0d77d38ed964816cce36Sebastian Pop} 237