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f3e397eb17
This is preparation for replacing Path.h with PathV2.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183782 91177308-0d34-0410-b5e6-96231b3b80d8
102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
//===-- Path.cpp - Implement OS Path Concept --------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file implements the operating system Path concept.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Path.h"
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#include "llvm/Config/config.h"
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/PathV1.h"
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#include <cassert>
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#include <cstring>
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#include <ostream>
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using namespace llvm;
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using namespace sys;
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namespace {
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using support::ulittle32_t;
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}
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only TRULY operating system
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//=== independent code.
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//===----------------------------------------------------------------------===//
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bool Path::operator==(const Path &that) const {
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return path == that.path;
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}
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bool Path::operator<(const Path& that) const {
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return path < that.path;
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}
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bool
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Path::isArchive() const {
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fs::file_magic type;
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if (fs::identify_magic(str(), type))
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return false;
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return type == fs::file_magic::archive;
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}
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bool
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Path::isDynamicLibrary() const {
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fs::file_magic type;
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if (fs::identify_magic(str(), type))
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return false;
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switch (type) {
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default: return false;
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case fs::file_magic::macho_fixed_virtual_memory_shared_lib:
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case fs::file_magic::macho_dynamically_linked_shared_lib:
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case fs::file_magic::macho_dynamically_linked_shared_lib_stub:
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case fs::file_magic::elf_shared_object:
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case fs::file_magic::pecoff_executable: return true;
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}
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}
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bool
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Path::isObjectFile() const {
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fs::file_magic type;
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if (fs::identify_magic(str(), type) || type == fs::file_magic::unknown)
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return false;
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return true;
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}
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void
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Path::appendSuffix(StringRef suffix) {
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if (!suffix.empty()) {
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path.append(".");
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path.append(suffix);
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}
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}
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bool
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Path::isBitcodeFile() const {
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fs::file_magic type;
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if (fs::identify_magic(str(), type))
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return false;
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return type == fs::file_magic::bitcode;
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}
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bool Path::hasMagicNumber(StringRef Magic) const {
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std::string actualMagic;
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if (getMagicNumber(actualMagic, static_cast<unsigned>(Magic.size())))
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return Magic == actualMagic;
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return false;
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}
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// Include the truly platform-specific parts of this class.
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#if defined(LLVM_ON_UNIX)
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#include "Unix/Path.inc"
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#endif
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#if defined(LLVM_ON_WIN32)
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#include "Windows/Path.inc"
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#endif
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