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125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
//===--- Compilation.cpp - Compilation Task Implementation --------------*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/Action.h"
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#include "clang/Driver/ArgList.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/ToolChain.h"
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#include "llvm/Support/raw_ostream.h"
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#include <sys/stat.h>
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#include <errno.h>
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using namespace clang::driver;
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Compilation::Compilation(Driver &D,
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ToolChain &_DefaultToolChain,
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ArgList *_Args)
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: TheDriver(D), DefaultToolChain(_DefaultToolChain), Args(_Args) {
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}
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Compilation::~Compilation() {
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delete Args;
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// Free any derived arg lists.
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for (llvm::DenseMap<const ToolChain*, ArgList*>::iterator
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it = TCArgs.begin(), ie = TCArgs.end(); it != ie; ++it) {
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ArgList *A = it->second;
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if (A != Args)
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delete Args;
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}
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// Free the actions, if built.
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for (ActionList::iterator it = Actions.begin(), ie = Actions.end();
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it != ie; ++it)
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delete *it;
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}
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const ArgList &Compilation::getArgsForToolChain(const ToolChain *TC) {
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if (!TC)
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TC = &DefaultToolChain;
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ArgList *&Entry = TCArgs[TC];
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if (!Entry)
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Entry = TC->TranslateArgs(*Args);
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return *Entry;
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}
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void Compilation::PrintJob(llvm::raw_ostream &OS, const Job *J,
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const char *Terminator) const {
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if (const Command *C = dyn_cast<Command>(J)) {
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OS << " \"" << C->getExecutable() << '"';
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for (ArgStringList::const_iterator it = C->getArguments().begin(),
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ie = C->getArguments().end(); it != ie; ++it)
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OS << " \"" << *it << '"';
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OS << Terminator;
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} else if (const PipedJob *PJ = dyn_cast<PipedJob>(J)) {
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for (PipedJob::const_iterator
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it = PJ->begin(), ie = PJ->end(); it != ie; ++it)
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PrintJob(OS, *it, (it + 1 != PJ->end()) ? " |\n" : "\n");
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} else {
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const JobList *Jobs = cast<JobList>(J);
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for (JobList::const_iterator
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it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it)
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PrintJob(OS, *it, Terminator);
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}
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}
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bool Compilation::CleanupFileList(const ArgStringList &Files,
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bool IssueErrors) const {
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bool Success = true;
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for (ArgStringList::const_iterator
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it = Files.begin(), ie = Files.end(); it != ie; ++it) {
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llvm::sys::Path P(*it);
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std::string Error;
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if (P.eraseFromDisk(false, &Error)) {
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// Failure is only failure if the file doesn't exist. There is a
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// race condition here due to the limited interface of
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// llvm::sys::Path, we want to know if the removal gave E_NOENT.
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// FIXME: Grumble, P.exists() is broken. PR3837.
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struct stat buf;
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if (::stat(P.c_str(), &buf) || errno != ENOENT) {
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if (IssueErrors)
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getDriver().Diag(clang::diag::err_drv_unable_to_remove_file)
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<< Error;
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Success = false;
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}
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}
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}
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return Success;
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}
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int Compilation::Execute() const {
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// Just print if -### was present.
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if (getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
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PrintJob(llvm::errs(), &Jobs, "\n");
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return 0;
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}
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// FIXME: Execute.
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int Res = 0;
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// Remove temp files.
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CleanupFileList(TempFiles);
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// If the compilation failed, remove result files as well.
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if (Res != 0)
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CleanupFileList(ResultFiles, true);
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return 0;
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}
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