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//===- Args.cpp -----------------------------------------------------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lld/Common/Args.h"
#include "lld/Common/ErrorHandler.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Support/Path.h"
using namespace llvm;
using namespace lld;
int lld::args::getInteger(opt::InputArgList &Args, unsigned Key, int Default) {
auto *A = Args.getLastArg(Key);
if (!A)
return Default;
int V;
if (to_integer(A->getValue(), V, 10))
return V;
StringRef Spelling = Args.getArgString(A->getIndex());
error(Spelling + ": number expected, but got '" + A->getValue() + "'");
return 0;
}
std::vector<StringRef> lld::args::getStrings(opt::InputArgList &Args, int Id) {
std::vector<StringRef> V;
for (auto *Arg : Args.filtered(Id))
V.push_back(Arg->getValue());
return V;
}
uint64_t lld::args::getZOptionValue(opt::InputArgList &Args, int Id,
StringRef Key, uint64_t Default) {
for (auto *Arg : Args.filtered_reverse(Id)) {
std::pair<StringRef, StringRef> KV = StringRef(Arg->getValue()).split('=');
if (KV.first == Key) {
uint64_t Result = Default;
if (!to_integer(KV.second, Result))
error("invalid " + Key + ": " + KV.second);
return Result;
}
}
return Default;
}
std::vector<StringRef> lld::args::getLines(MemoryBufferRef MB) {
SmallVector<StringRef, 0> Arr;
MB.getBuffer().split(Arr, '\n');
std::vector<StringRef> Ret;
for (StringRef S : Arr) {
S = S.trim();
if (!S.empty() && S[0] != '#')
Ret.push_back(S);
}
return Ret;
}
StringRef lld::args::getFilenameWithoutExe(StringRef Path) {
if (Path.endswith_lower(".exe"))
return sys::path::stem(Path);
return sys::path::filename(Path);
}
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