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3f851704c1
New lld's files are spread under lib subdirectory, and it isn't easy to find which files are actually maintained. This patch moves maintained files to Common subdirectory. Differential Revision: https://reviews.llvm.org/D37645 llvm-svn: 314719
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
//===- Reproduce.cpp - Utilities for creating reproducers -----------------===//
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//
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// The LLVM Linker
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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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#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(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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