1 //===--- Tool.cpp - The LLVM Compiler Driver --------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open
6 // Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Tool base class - implementation details.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/CompilerDriver/BuiltinOptions.h"
15 #include "llvm/CompilerDriver/Tool.h"
17 #include "llvm/ADT/StringExtras.h"
18 #include "llvm/Support/Path.h"
23 using namespace llvmc;
26 sys::Path MakeTempFile(const sys::Path& TempDir, const std::string& BaseName,
27 const std::string& Suffix) {
30 // Make sure we don't end up with path names like '/file.o' if the
32 if (TempDir.empty()) {
37 Out.appendComponent(BaseName);
39 Out.appendSuffix(Suffix);
40 // NOTE: makeUnique always *creates* a unique temporary file,
41 // which is good, since there will be no races. However, some
42 // tools do not like it when the output file already exists, so
43 // they need to be placated with -f or something like that.
44 Out.makeUnique(true, NULL);
49 sys::Path Tool::OutFilename(const sys::Path& In,
50 const sys::Path& TempDir,
52 const char* OutputSuffix) const {
55 if (StopCompilation) {
56 if (!OutputFilename.empty()) {
57 Out.set(OutputFilename);
61 Out.appendSuffix(OutputSuffix);
64 Out.set(sys::path::stem(In.str()));
65 Out.appendSuffix(OutputSuffix);
70 Out = MakeTempFile(TempDir, "tmp", OutputSuffix);
72 Out = MakeTempFile(TempDir, sys::path::stem(In.str()), OutputSuffix);
78 template <class A, class B>
79 bool CompareFirst (std::pair<A,B> p1, std::pair<A,B> p2) {
80 return std::less<A>()(p1.first, p2.first);
84 StrVector Tool::SortArgs(ArgsVector& Args) const {
87 // HACK: this won't be needed when we'll migrate away from CommandLine.
88 std::stable_sort(Args.begin(), Args.end(),
89 &CompareFirst<unsigned, std::string>);
90 for (ArgsVector::iterator B = Args.begin(), E = Args.end(); B != E; ++B) {
91 Out.push_back(B->second);