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//===- lib/Driver/WinLinkInputGraph.cpp -----------------------------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lld/Driver/WinLinkInputGraph.h"
namespace lld {
bool isCOFFLibraryFileExtension(StringRef path) {
return path.endswith_lower(".lib") || path.endswith_lower(".imp");
}
/// \brief Parse the input file to lld::File.
error_code PECOFFFileNode::parse(const LinkingContext &ctx,
raw_ostream &diagnostics) {
if (_parsed)
return error_code::success();
_parsed = true;
ErrorOr<StringRef> filePath = getPath(ctx);
if (error_code ec = filePath.getError()) {
diagnostics << "File not found: " << _path << "\n";
return ec;
}
if (error_code ec = getBuffer(*filePath)) {
diagnostics << "Cannot open file: " << *filePath << "\n";
return ec;
}
if (ctx.logInputFiles())
diagnostics << *filePath << "\n";
return ctx.registry().parseFile(_buffer, _files);
}
ErrorOr<File &> PECOFFFileNode::getNextFile() {
if (_nextFileIndex == _files.size())
return make_error_code(InputGraphError::no_more_files);
return *_files[_nextFileIndex++];
}
ErrorOr<StringRef> PECOFFFileNode::getPath(const LinkingContext &) const {
if (isCOFFLibraryFileExtension(_path))
return _ctx.searchLibraryFile(_path);
if (llvm::sys::path::extension(_path).empty())
return _ctx.allocate(_path.str() + ".obj");
return _path;
}
ErrorOr<StringRef> PECOFFLibraryNode::getPath(const LinkingContext &) const {
if (isCOFFLibraryFileExtension(_path))
return _ctx.searchLibraryFile(_path);
return _ctx.searchLibraryFile(_ctx.allocate(_path.str() + ".lib"));
}
} // end anonymous namespace
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