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Diffstat (limited to 'contrib/llvm/lib/Support/Process.cpp')
-rw-r--r-- | contrib/llvm/lib/Support/Process.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Support/Process.cpp b/contrib/llvm/lib/Support/Process.cpp new file mode 100644 index 0000000..6dcbb47 --- /dev/null +++ b/contrib/llvm/lib/Support/Process.cpp @@ -0,0 +1,82 @@ +//===-- Process.cpp - Implement OS Process Concept --------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the operating system Process concept. +// +//===----------------------------------------------------------------------===// + +#include "llvm/ADT/StringExtras.h" +#include "llvm/Config/config.h" +#include "llvm/Support/FileSystem.h" +#include "llvm/Support/Path.h" +#include "llvm/Support/Process.h" +#include "llvm/Support/Program.h" + +using namespace llvm; +using namespace sys; + +//===----------------------------------------------------------------------===// +//=== WARNING: Implementation here must contain only TRULY operating system +//=== independent code. +//===----------------------------------------------------------------------===// + +Optional<std::string> Process::FindInEnvPath(const std::string& EnvName, + const std::string& FileName) +{ + assert(!path::is_absolute(FileName)); + Optional<std::string> FoundPath; + Optional<std::string> OptPath = Process::GetEnv(EnvName); + if (!OptPath.hasValue()) + return FoundPath; + + const char EnvPathSeparatorStr[] = {EnvPathSeparator, '\0'}; + SmallVector<StringRef, 8> Dirs; + SplitString(OptPath.getValue(), Dirs, EnvPathSeparatorStr); + + for (const auto &Dir : Dirs) { + if (Dir.empty()) + continue; + + SmallString<128> FilePath(Dir); + path::append(FilePath, FileName); + if (fs::exists(Twine(FilePath))) { + FoundPath = FilePath.str(); + break; + } + } + + return FoundPath; +} + + +#define COLOR(FGBG, CODE, BOLD) "\033[0;" BOLD FGBG CODE "m" + +#define ALLCOLORS(FGBG,BOLD) {\ + COLOR(FGBG, "0", BOLD),\ + COLOR(FGBG, "1", BOLD),\ + COLOR(FGBG, "2", BOLD),\ + COLOR(FGBG, "3", BOLD),\ + COLOR(FGBG, "4", BOLD),\ + COLOR(FGBG, "5", BOLD),\ + COLOR(FGBG, "6", BOLD),\ + COLOR(FGBG, "7", BOLD)\ + } + +static const char colorcodes[2][2][8][10] = { + { ALLCOLORS("3",""), ALLCOLORS("3","1;") }, + { ALLCOLORS("4",""), ALLCOLORS("4","1;") } +}; + +// Include the platform-specific parts of this class. +#ifdef LLVM_ON_UNIX +#include "Unix/Process.inc" +#endif +#ifdef LLVM_ON_WIN32 +#include "Windows/Process.inc" +#endif |