1218885Sdim//===-- Process.cpp - Implement OS Process Concept --------------*- C++ -*-===// 2218885Sdim// 3218885Sdim// The LLVM Compiler Infrastructure 4218885Sdim// 5218885Sdim// This file is distributed under the University of Illinois Open Source 6218885Sdim// License. See LICENSE.TXT for details. 7218885Sdim// 8218885Sdim//===----------------------------------------------------------------------===// 9218885Sdim// 10276479Sdim// This file implements the operating system Process concept. 11218885Sdim// 12218885Sdim//===----------------------------------------------------------------------===// 13218885Sdim 14276479Sdim#include "llvm/ADT/StringExtras.h" 15249423Sdim#include "llvm/Config/config.h" 16276479Sdim#include "llvm/Support/FileSystem.h" 17288943Sdim#include "llvm/Support/Path.h" 18218885Sdim#include "llvm/Support/Process.h" 19276479Sdim#include "llvm/Support/Program.h" 20218885Sdim 21249423Sdimusing namespace llvm; 22218885Sdimusing namespace sys; 23218885Sdim 24218885Sdim//===----------------------------------------------------------------------===// 25218885Sdim//=== WARNING: Implementation here must contain only TRULY operating system 26218885Sdim//=== independent code. 27218885Sdim//===----------------------------------------------------------------------===// 28218885Sdim 29276479SdimOptional<std::string> Process::FindInEnvPath(const std::string& EnvName, 30276479Sdim const std::string& FileName) 31276479Sdim{ 32288943Sdim assert(!path::is_absolute(FileName)); 33276479Sdim Optional<std::string> FoundPath; 34276479Sdim Optional<std::string> OptPath = Process::GetEnv(EnvName); 35276479Sdim if (!OptPath.hasValue()) 36276479Sdim return FoundPath; 37249423Sdim 38276479Sdim const char EnvPathSeparatorStr[] = {EnvPathSeparator, '\0'}; 39276479Sdim SmallVector<StringRef, 8> Dirs; 40276479Sdim SplitString(OptPath.getValue(), Dirs, EnvPathSeparatorStr); 41249423Sdim 42276479Sdim for (const auto &Dir : Dirs) { 43276479Sdim if (Dir.empty()) 44276479Sdim continue; 45249423Sdim 46276479Sdim SmallString<128> FilePath(Dir); 47276479Sdim path::append(FilePath, FileName); 48276479Sdim if (fs::exists(Twine(FilePath))) { 49276479Sdim FoundPath = FilePath.str(); 50276479Sdim break; 51276479Sdim } 52276479Sdim } 53276479Sdim 54276479Sdim return FoundPath; 55276479Sdim} 56276479Sdim 57276479Sdim 58261991Sdim#define COLOR(FGBG, CODE, BOLD) "\033[0;" BOLD FGBG CODE "m" 59261991Sdim 60261991Sdim#define ALLCOLORS(FGBG,BOLD) {\ 61261991Sdim COLOR(FGBG, "0", BOLD),\ 62261991Sdim COLOR(FGBG, "1", BOLD),\ 63261991Sdim COLOR(FGBG, "2", BOLD),\ 64261991Sdim COLOR(FGBG, "3", BOLD),\ 65261991Sdim COLOR(FGBG, "4", BOLD),\ 66261991Sdim COLOR(FGBG, "5", BOLD),\ 67261991Sdim COLOR(FGBG, "6", BOLD),\ 68261991Sdim COLOR(FGBG, "7", BOLD)\ 69261991Sdim } 70261991Sdim 71261991Sdimstatic const char colorcodes[2][2][8][10] = { 72261991Sdim { ALLCOLORS("3",""), ALLCOLORS("3","1;") }, 73261991Sdim { ALLCOLORS("4",""), ALLCOLORS("4","1;") } 74261991Sdim}; 75261991Sdim 76218885Sdim// Include the platform-specific parts of this class. 77218885Sdim#ifdef LLVM_ON_UNIX 78218885Sdim#include "Unix/Process.inc" 79218885Sdim#endif 80218885Sdim#ifdef LLVM_ON_WIN32 81218885Sdim#include "Windows/Process.inc" 82218885Sdim#endif 83