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//===--- Tool.cpp - The LLVM Compiler Driver --------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open
// Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Tool base class - implementation details.
//
//===----------------------------------------------------------------------===//
#include "llvm/CompilerDriver/BuiltinOptions.h"
#include "llvm/CompilerDriver/Tool.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Path.h"
#include <algorithm>
using namespace llvm;
using namespace llvmc;
namespace {
sys::Path MakeTempFile(const sys::Path& TempDir, const std::string& BaseName,
const std::string& Suffix) {
sys::Path Out;
// Make sure we don't end up with path names like '/file.o' if the
// TempDir is empty.
if (TempDir.empty()) {
Out.set(BaseName);
}
else {
Out = TempDir;
Out.appendComponent(BaseName);
}
Out.appendSuffix(Suffix);
// NOTE: makeUnique always *creates* a unique temporary file,
// which is good, since there will be no races. However, some
// tools do not like it when the output file already exists, so
// they need to be placated with -f or something like that.
Out.makeUnique(true, NULL);
return Out;
}
}
sys::Path Tool::OutFilename(const sys::Path& In,
const sys::Path& TempDir,
bool StopCompilation,
const char* OutputSuffix) const {
sys::Path Out;
if (StopCompilation) {
if (!OutputFilename.empty()) {
Out.set(OutputFilename);
}
else if (IsJoin()) {
Out.set("a");
Out.appendSuffix(OutputSuffix);
}
else {
Out.set(In.getBasename());
Out.appendSuffix(OutputSuffix);
}
}
else {
if (IsJoin())
Out = MakeTempFile(TempDir, "tmp", OutputSuffix);
else
Out = MakeTempFile(TempDir, In.getBasename(), OutputSuffix);
}
return Out;
}
namespace {
template <class A, class B>
bool CompareFirst (std::pair<A,B> p1, std::pair<A,B> p2) {
return std::less<A>()(p1.first, p2.first);
}
}
StrVector Tool::SortArgs(ArgsVector& Args) const {
StrVector Out;
// HACK: this won't be needed when we'll migrate away from CommandLine.
std::stable_sort(Args.begin(), Args.end(),
&CompareFirst<unsigned, std::string>);
for (ArgsVector::iterator B = Args.begin(), E = Args.end(); B != E; ++B) {
Out.push_back(B->second);
}
return Out;
}
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