llvm-project/llvm/lib/Support/Path.cpp

79 lines
2.1 KiB
C++

//===-- Path.cpp - Implement OS Path Concept --------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header file implements the operating system Path concept.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Path.h"
#include "llvm/Config/config.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/PathV1.h"
#include <cassert>
#include <cstring>
#include <ostream>
using namespace llvm;
using namespace sys;
namespace {
using support::ulittle32_t;
}
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system
//=== independent code.
//===----------------------------------------------------------------------===//
bool Path::operator==(const Path &that) const {
return path == that.path;
}
bool Path::operator<(const Path& that) const {
return path < that.path;
}
bool
Path::isArchive() const {
fs::file_magic type;
if (fs::identify_magic(str(), type))
return false;
return type == fs::file_magic::archive;
}
bool
Path::isDynamicLibrary() const {
fs::file_magic type;
if (fs::identify_magic(str(), type))
return false;
switch (type) {
default: return false;
case fs::file_magic::macho_fixed_virtual_memory_shared_lib:
case fs::file_magic::macho_dynamically_linked_shared_lib:
case fs::file_magic::macho_dynamically_linked_shared_lib_stub:
case fs::file_magic::elf_shared_object:
case fs::file_magic::pecoff_executable: return true;
}
}
void
Path::appendSuffix(StringRef suffix) {
if (!suffix.empty()) {
path.append(".");
path.append(suffix);
}
}
// Include the truly platform-specific parts of this class.
#if defined(LLVM_ON_UNIX)
#include "Unix/Path.inc"
#endif
#if defined(LLVM_ON_WIN32)
#include "Windows/Path.inc"
#endif