Compilation.cpp revision c91b41a64ccce6d1097d85c8c7354ea63a5566a0
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" 20c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier#include "llvm/ADT/StringSwitch.h" 2124b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar#include "llvm/Support/raw_ostream.h" 2203013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 23e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar#include <sys/stat.h> 24e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar#include <errno.h> 251c3199afb8aeab5f4dfcef60999d13d9c6877a67Francois Pichet 261b3bb6efc59a21f794b534078f9ae7e95393f510Daniel Dunbarusing namespace clang::driver; 271c3199afb8aeab5f4dfcef60999d13d9c6877a67Francois Pichetusing namespace clang; 283ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 29279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel DunbarCompilation::Compilation(const Driver &D, const ToolChain &_DefaultToolChain, 30279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar InputArgList *_Args, DerivedArgList *_TranslatedArgs) 31279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar : TheDriver(D), DefaultToolChain(_DefaultToolChain), Args(_Args), 322b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TranslatedArgs(_TranslatedArgs), Redirects(0) { 33586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar} 34586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 351eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpCompilation::~Compilation() { 36279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar delete TranslatedArgs; 37586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar delete Args; 381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar // Free any derived arg lists. 404954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar for (llvm::DenseMap<std::pair<const ToolChain*, const char*>, 414954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar DerivedArgList*>::iterator it = TCArgs.begin(), 424954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar ie = TCArgs.end(); it != ie; ++it) 43279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar if (it->second != TranslatedArgs) 44279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar delete it->second; 4521549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar 4621549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar // Free the actions, if built. 471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ActionList::iterator it = Actions.begin(), ie = Actions.end(); 4821549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar it != ie; ++it) 4921549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar delete *it; 502b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 512b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Free redirections of stdout/stderr. 522b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier if (Redirects) { 532b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier delete Redirects[1]; 542b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier delete Redirects[2]; 552b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier delete [] Redirects; 562b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier } 573ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 583ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 594954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbarconst DerivedArgList &Compilation::getArgsForToolChain(const ToolChain *TC, 604954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar const char *BoundArch) { 61586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar if (!TC) 62586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar TC = &DefaultToolChain; 63586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 644954018954bbc97363eef02d0c83bea19ce9b329Daniel Dunbar DerivedArgList *&Entry = TCArgs[std::make_pair(TC, BoundArch)]; 65279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar if (!Entry) { 66279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar Entry = TC->TranslateArgs(*TranslatedArgs, BoundArch); 67279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar if (!Entry) 68279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar Entry = TranslatedArgs; 69279c1dbebf37cd128f3c73c70741a6b8c35ad025Daniel Dunbar } 70586dc233bb88f2920c9f3638f69cef0ccd55dcedDaniel Dunbar 71aa3e0d292065fd50713b4c70647063c32d99a36aDaniel Dunbar return *Entry; 723ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar} 733ede8d0a7d1813f678ccc6011a99a0834b1b6116Daniel Dunbar 745f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnervoid Compilation::PrintJob(raw_ostream &OS, const Job &J, 7549b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar const char *Terminator, bool Quote) const { 7649b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar if (const Command *C = dyn_cast<Command>(&J)) { 7724b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar OS << " \"" << C->getExecutable() << '"'; 7824b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar for (ArgStringList::const_iterator it = C->getArguments().begin(), 7949b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar ie = C->getArguments().end(); it != ie; ++it) { 80b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << ' '; 815f22614327065a4ae78588eda8cb62f8b50502aaBenjamin Kramer if (!Quote && !std::strpbrk(*it, " \"\\$")) { 82b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << *it; 83b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar continue; 84b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar } 85b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar 86b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar // Quote the argument and escape shell special characters; this isn't 87b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar // really complete but is good enough. 88b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << '"'; 89b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar for (const char *s = *it; *s; ++s) { 90b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar if (*s == '"' || *s == '\\' || *s == '$') 91b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << '\\'; 92b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << *s; 93b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar } 94b86c5fc7393f61221686fc56e992ca409dee2a50Daniel Dunbar OS << '"'; 9549b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar } 9624b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar OS << Terminator; 9724b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar } else { 9849b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar const JobList *Jobs = cast<JobList>(&J); 991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (JobList::const_iterator 10024b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it) 10149b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar PrintJob(OS, **it, Terminator, Quote); 10224b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar } 10324b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar} 10424b5560b6ea51b8a260194710468fa060775fc01Daniel Dunbar 105c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosierstatic bool skipArg(const char *Flag, bool &SkipNextArg) { 106c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier StringRef FlagRef(Flag); 107c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 108c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // Assume we're going to see -Flag <Arg>. 109c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier SkipNextArg = true; 110c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 111c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // These flags are all of the form -Flag <Arg> and are treated as two 112c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // arguments. Therefore, we need to skip the flag and the next argument. 113c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier bool Res = llvm::StringSwitch<bool>(Flag) 114c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-I", "-MF", "-MT", "-MQ", true) 115c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-o", "-coverage-file", "-dependency-file", true) 116c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-fdebug-compilation-dir", "-fmodule-cache-path", "-idirafter", true) 117c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-include", "-include-pch", "-internal-isystem", true) 118c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-internal-externc-isystem ", "-iprefix ", "-iwithprefix", true) 119c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-iwithprefixbefore", "-isysroot", "-isystem", "-iquote", true) 120c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-resource-dir", "-serialize-diagnostic-file", true) 121c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Case("-dwarf-debug-flags", true) 122c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Default(false); 123c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 124c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // Match found. 125c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (Res) 126c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier return Res; 127c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 128c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // The remaining flags are treated as a single argument. 129c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier SkipNextArg = false; 130c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 131c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // These flags are all of the form -Flag and have no second argument. 132c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier Res = llvm::StringSwitch<bool>(Flag) 133c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Cases("-M", "-MM", "-MG", "-MP", "-MD", true) 134c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Case("-MMD", true) 135c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Default(false); 136c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 137c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // Match found. 138c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (Res) 139c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier return Res; 140c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 141c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // These flags are treated as a single argument (e.g., -F<Dir>). 142c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (FlagRef.startswith("-F") || FlagRef.startswith("-I")) 143c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier return true; 144c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 145c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier return false; 146c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier} 147c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 148c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosierstatic bool quoteNextArg(const char *flag) { 149c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier return llvm::StringSwitch<bool>(flag) 150c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Case("-D", true) 151c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier .Default(false); 152c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier} 153c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 154c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosiervoid Compilation::PrintDiagnosticJob(raw_ostream &OS, const Job &J) const { 155c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (const Command *C = dyn_cast<Command>(&J)) { 156c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << C->getExecutable(); 157c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier unsigned QuoteNextArg = 0; 158c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier for (ArgStringList::const_iterator it = C->getArguments().begin(), 159c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier ie = C->getArguments().end(); it != ie; ++it) { 160c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 161c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier bool SkipNext; 162c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (skipArg(*it, SkipNext)) { 163c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (SkipNext) ++it; 164c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier continue; 165c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } 166c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 167c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (!QuoteNextArg) 168c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier QuoteNextArg = quoteNextArg(*it) ? 2 : 0; 169c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 170c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << ' '; 171c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 172c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (QuoteNextArg == 1) 173c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << '"'; 174c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 175c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (!std::strpbrk(*it, " \"\\$")) { 176c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << *it; 177c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } else { 178c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // Quote the argument and escape shell special characters; this isn't 179c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier // really complete but is good enough. 180c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << '"'; 181c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier for (const char *s = *it; *s; ++s) { 182c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (*s == '"' || *s == '\\' || *s == '$') 183c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << '\\'; 184c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << *s; 185c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } 186c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << '"'; 187c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } 188c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 189c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (QuoteNextArg) { 190c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier if (QuoteNextArg == 1) 191c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << '"'; 192c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier --QuoteNextArg; 193c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } 194c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } 195c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier OS << '\n'; 196c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } else { 197c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier const JobList *Jobs = cast<JobList>(&J); 198c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier for (JobList::const_iterator 199c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it) 200c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier PrintDiagnosticJob(OS, **it); 201c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier } 202c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier} 203c91b41a64ccce6d1097d85c8c7354ea63a5566a0Chad Rosier 2041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool Compilation::CleanupFileList(const ArgStringList &Files, 205e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar bool IssueErrors) const { 206e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar bool Success = true; 207e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 2081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ArgStringList::const_iterator 209e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar it = Files.begin(), ie = Files.end(); it != ie; ++it) { 21056eec2bc2188574459a514f3650d581e00683126Edward O'Callaghan 211e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar llvm::sys::Path P(*it); 212e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar std::string Error; 213e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 2148ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar // Don't try to remove files which we don't have write access to (but may be 2158ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar // able to remove). Underlying tools may have intentionally not overwritten 2168ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar // them. 2178ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar if (!P.canWrite()) 2188ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar continue; 2198ac127a09ab36f84860c176fe6b199c4973be984Daniel Dunbar 220e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar if (P.eraseFromDisk(false, &Error)) { 221978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman // Failure is only failure if the file exists and is "regular". There is 222978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman // a race condition here due to the limited interface of 223978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman // llvm::sys::Path, we want to know if the removal gave ENOENT. 224e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 225e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar // FIXME: Grumble, P.exists() is broken. PR3837. 226e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar struct stat buf; 227d99d0e8276dd320deaee02824602bc335ea1c770Benjamin Kramer if (::stat(P.c_str(), &buf) == 0 ? (buf.st_mode & S_IFMT) == S_IFREG : 228978e3a274aae203a6c2b74094be791ac9e2662e5Dan Gohman (errno != ENOENT)) { 229e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar if (IssueErrors) 230e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar getDriver().Diag(clang::diag::err_drv_unable_to_remove_file) 231e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar << Error; 232e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar Success = false; 233e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar } 234e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar } 235e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar } 236e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 237e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar return Success; 238e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar} 239e530ad407af4a8904377592bfdb236acd320c6c2Daniel Dunbar 24031c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbarint Compilation::ExecuteCommand(const Command &C, 24131c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar const Command *&FailingCommand) const { 242ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar llvm::sys::Path Prog(C.getExecutable()); 243ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar const char **Argv = new const char*[C.getArguments().size() + 2]; 244ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar Argv[0] = C.getExecutable(); 245ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar std::copy(C.getArguments().begin(), C.getArguments().end(), Argv+1); 246ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar Argv[C.getArguments().size() + 1] = 0; 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2482b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier if ((getDriver().CCCEcho || getDriver().CCPrintOptions || 2492b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier getArgs().hasArg(options::OPT_v)) && !getDriver().CCGenDiagnostics) { 2505f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream *OS = &llvm::errs(); 2514c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 2524c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // Follow gcc implementation of CC_PRINT_OPTIONS; we could also cache the 2534c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar // output stream. 2544c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (getDriver().CCPrintOptions && getDriver().CCPrintOptionsFilename) { 2554c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar std::string Error; 2564c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar OS = new llvm::raw_fd_ostream(getDriver().CCPrintOptionsFilename, 2574c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar Error, 2584c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar llvm::raw_fd_ostream::F_Append); 2594c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (!Error.empty()) { 2604c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar getDriver().Diag(clang::diag::err_drv_cc_print_options_failure) 2614c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar << Error; 2624c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar FailingCommand = &C; 2634c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar delete OS; 2644c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar return 1; 2654c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar } 2664c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar } 2674c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 2684c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (getDriver().CCPrintOptions) 2694c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar *OS << "[Logging clang options]"; 2704c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 2714c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar PrintJob(*OS, C, "\n", /*Quote=*/getDriver().CCPrintOptions); 2724c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar 2734c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar if (OS != &llvm::errs()) 2744c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar delete OS; 2754c00fcdf98d3d7c4cb47b64f8b770f8f4bff1357Daniel Dunbar } 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar std::string Error; 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump int Res = 279ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar llvm::sys::Program::ExecuteAndWait(Prog, Argv, 2802b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier /*env*/0, Redirects, 281ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar /*secondsToWait*/0, /*memoryLimit*/0, 282ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar &Error); 283ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar if (!Error.empty()) { 284ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar assert(Res && "Error string set with 0 result code!"); 285ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar getDriver().Diag(clang::diag::err_drv_command_failure) << Error; 286ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar } 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28831c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar if (Res) 28931c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar FailingCommand = &C; 29031c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar 291ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar delete[] Argv; 292ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar return Res; 293ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar} 294ceafbc8f55e00345a85d5e6674d3339a45cbbf76Daniel Dunbar 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpint Compilation::ExecuteJob(const Job &J, 29631c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar const Command *&FailingCommand) const { 29749b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar if (const Command *C = dyn_cast<Command>(&J)) { 29831c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar return ExecuteCommand(*C, FailingCommand); 29949b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar } else { 30049b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar const JobList *Jobs = cast<JobList>(&J); 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (JobList::const_iterator 30249b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it) 30331c11ebdaab0acfa10e231730ae95e32c0e39e1fDaniel Dunbar if (int Res = ExecuteJob(**it, FailingCommand)) 30449b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar return Res; 30549b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar return 0; 30649b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar } 30749b98e700e300b8a61b2f7fbb0bb22264e8ec27aDaniel Dunbar} 3082b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 3092b81910618f63e4ce2373c926a26e76b4b91373fChad Rosiervoid Compilation::initCompilationForDiagnostics(void) { 3102b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Free actions and jobs. 3112b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier DeleteContainerPointers(Actions); 3122b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Jobs.clear(); 3132b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 3142b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Clear temporary/results file lists. 3152b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TempFiles.clear(); 3162b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier ResultFiles.clear(); 3172b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 3182b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Remove any user specified output. Claim any unclaimed arguments, so as 3192b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // to avoid emitting warnings about unused args. 32054db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne OptSpecifier OutputOpts[] = { options::OPT_o, options::OPT_MD, 32154db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne options::OPT_MMD }; 322f9e156c774e08409f235f0e9c9e3133ec796e877Chad Rosier for (unsigned i = 0, e = llvm::array_lengthof(OutputOpts); i != e; ++i) { 32354db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne if (TranslatedArgs->hasArg(OutputOpts[i])) 32454db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne TranslatedArgs->eraseArg(OutputOpts[i]); 32554db68bf0e389b8aabe1a434f825a81a9c1f7db8Peter Collingbourne } 3262b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier TranslatedArgs->ClaimAllArgs(); 3272b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier 3282b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier // Redirect stdout/stderr to /dev/null. 3292b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Redirects = new const llvm::sys::Path*[3](); 3302b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Redirects[1] = new const llvm::sys::Path(); 3312b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier Redirects[2] = new const llvm::sys::Path(); 3322b81910618f63e4ce2373c926a26e76b4b91373fChad Rosier} 3334762a2da74875d2ae94e0d77d38ed964816cce36Sebastian Pop 3344762a2da74875d2ae94e0d77d38ed964816cce36Sebastian PopStringRef Compilation::getSysRoot(void) const { 3354762a2da74875d2ae94e0d77d38ed964816cce36Sebastian Pop return getDriver().SysRoot; 3364762a2da74875d2ae94e0d77d38ed964816cce36Sebastian Pop} 337