DirectXShaderCompiler/lib/Support/Process.cpp at main · microsoft/DirectXShaderCompiler · GitHub

History

83 lines (70 loc) · 2.37 KB

Raw

//===-- 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)\

}

[[maybe_unused]]

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

DirectXShaderCompiler/lib/Support/Process.cpp at main · microsoft/DirectXShaderCompiler · GitHub

Uh oh!

Expand file tree

Breadcrumbs

Process.cpp

Latest commit

History

Breadcrumbs

Process.cpp

File metadata and controls