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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
2.1 KiB
C++
66 lines
2.1 KiB
C++
//===- Reproduce.cpp - Utilities for creating reproducers -----------------===//
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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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#include "lld/Common/Reproduce.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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using namespace lld;
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using namespace llvm;
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using namespace llvm::sys;
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// Makes a given pathname an absolute path first, and then remove
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// beginning /. For example, "../foo.o" is converted to "home/john/foo.o",
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// assuming that the current directory is "/home/john/bar".
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// Returned string is a forward slash separated path even on Windows to avoid
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// a mess with backslash-as-escape and backslash-as-path-separator.
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std::string lld::relativeToRoot(StringRef Path) {
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SmallString<128> Abs = Path;
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if (fs::make_absolute(Abs))
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return Path;
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path::remove_dots(Abs, /*remove_dot_dot=*/true);
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// This is Windows specific. root_name() returns a drive letter
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// (e.g. "c:") or a UNC name (//net). We want to keep it as part
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// of the result.
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SmallString<128> Res;
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StringRef Root = path::root_name(Abs);
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if (Root.endswith(":"))
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Res = Root.drop_back();
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else if (Root.startswith("//"))
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Res = Root.substr(2);
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path::append(Res, path::relative_path(Abs));
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return path::convert_to_slash(Res);
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}
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// Quote a given string if it contains a space character.
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std::string lld::quote(StringRef S) {
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if (S.contains(' '))
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return ("\"" + S + "\"").str();
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return S;
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}
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std::string lld::rewritePath(StringRef S) {
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if (fs::exists(S))
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return relativeToRoot(S);
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return S;
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}
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std::string lld::toString(const opt::Arg &Arg) {
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std::string K = Arg.getSpelling();
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if (Arg.getNumValues() == 0)
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return K;
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std::string V = quote(Arg.getValue());
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if (Arg.getOption().getRenderStyle() == opt::Option::RenderJoinedStyle)
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return K + V;
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return K + " " + V;
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}
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