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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
//===-- WindowsManifestMerger.h ---------------------------------*- C++-*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===---------------------------------------------------------------------===//
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//
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// This file provides a utility for merging Microsoft .manifest files. These
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// files are xml documents which contain meta-information about applications,
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// such as whether or not admin access is required, system compatibility,
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// versions, etc. Part of the linking process of an executable may require
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// merging several of these .manifest files using a tree-merge following
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// specific rules. Unfortunately, these rules are not documented well
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// anywhere. However, a careful investigation of the behavior of the original
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// Microsoft Manifest Tool (mt.exe) revealed the rules of this merge. As the
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// saying goes, code is the best documentation, so please look below if you are
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// interested in the exact merging requirements.
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//
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// Ref:
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// https://msdn.microsoft.com/en-us/library/windows/desktop/aa374191(v=vs.85).aspx
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//
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_INCLUDE_LLVM_SUPPORT_WINDOWS_MANIFEST_MERGER_H
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#define LLVM_INCLUDE_LLVM_SUPPORT_WINDOWS_MANIFEST_MERGER_H
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#include "llvm/Support/Error.h"
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namespace llvm {
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class MemoryBuffer;
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namespace windows_manifest {
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bool isAvailable();
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class WindowsManifestError : public ErrorInfo<WindowsManifestError, ECError> {
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public:
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static char ID;
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WindowsManifestError(const Twine &Msg);
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void log(raw_ostream &OS) const override;
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private:
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std::string Msg;
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};
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class WindowsManifestMerger {
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public:
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WindowsManifestMerger();
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~WindowsManifestMerger();
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Error merge(const MemoryBuffer &Manifest);
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// Returns vector containing merged xml manifest, or uninitialized vector for
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// empty manifest.
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std::unique_ptr<MemoryBuffer> getMergedManifest();
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private:
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class WindowsManifestMergerImpl;
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std::unique_ptr<WindowsManifestMergerImpl> Impl;
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};
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} // namespace windows_manifest
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} // namespace llvm
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#endif
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