forked from OSchip/llvm-project
83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
//===- Args.cpp -----------------------------------------------------------===//
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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/Args.h"
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#include "lld/Common/ErrorHandler.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Support/Path.h"
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using namespace llvm;
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using namespace lld;
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// TODO(sbc): Remove this once CGOptLevel can be set completely based on bitcode
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// function metadata.
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CodeGenOpt::Level lld::args::getCGOptLevel(int OptLevelLTO) {
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if (OptLevelLTO == 3)
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return CodeGenOpt::Aggressive;
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assert(OptLevelLTO < 3);
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return CodeGenOpt::Default;
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}
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int64_t lld::args::getInteger(opt::InputArgList &Args, unsigned Key,
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int64_t Default) {
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auto *A = Args.getLastArg(Key);
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if (!A)
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return Default;
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int64_t V;
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if (to_integer(A->getValue(), V, 10))
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return V;
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StringRef Spelling = Args.getArgString(A->getIndex());
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error(Spelling + ": number expected, but got '" + A->getValue() + "'");
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return 0;
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}
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std::vector<StringRef> lld::args::getStrings(opt::InputArgList &Args, int Id) {
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std::vector<StringRef> V;
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for (auto *Arg : Args.filtered(Id))
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V.push_back(Arg->getValue());
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return V;
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}
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uint64_t lld::args::getZOptionValue(opt::InputArgList &Args, int Id,
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StringRef Key, uint64_t Default) {
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for (auto *Arg : Args.filtered_reverse(Id)) {
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std::pair<StringRef, StringRef> KV = StringRef(Arg->getValue()).split('=');
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if (KV.first == Key) {
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uint64_t Result = Default;
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if (!to_integer(KV.second, Result))
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error("invalid " + Key + ": " + KV.second);
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return Result;
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}
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}
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return Default;
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}
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std::vector<StringRef> lld::args::getLines(MemoryBufferRef MB) {
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SmallVector<StringRef, 0> Arr;
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MB.getBuffer().split(Arr, '\n');
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std::vector<StringRef> Ret;
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for (StringRef S : Arr) {
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S = S.trim();
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if (!S.empty() && S[0] != '#')
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Ret.push_back(S);
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}
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return Ret;
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}
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StringRef lld::args::getFilenameWithoutExe(StringRef Path) {
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if (Path.endswith_lower(".exe"))
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return sys::path::stem(Path);
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return sys::path::filename(Path);
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}
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