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//===--- Arg.cpp - Argument Implementations -------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Arg.h"
#include "clang/Basic/LLVM.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Option.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang::driver;
using clang::StringRef;
Arg::Arg(const Option _Opt, StringRef S, unsigned _Index, const Arg *_BaseArg)
: Opt(_Opt), BaseArg(_BaseArg), Spelling(S), Index(_Index),
Claimed(false), OwnsValues(false) {
}
Arg::Arg(const Option _Opt, StringRef S, unsigned _Index,
const char *Value0, const Arg *_BaseArg)
: Opt(_Opt), BaseArg(_BaseArg), Spelling(S), Index(_Index),
Claimed(false), OwnsValues(false) {
Values.push_back(Value0);
}
Arg::Arg(const Option _Opt, StringRef S, unsigned _Index,
const char *Value0, const char *Value1, const Arg *_BaseArg)
: Opt(_Opt), BaseArg(_BaseArg), Spelling(S), Index(_Index),
Claimed(false), OwnsValues(false) {
Values.push_back(Value0);
Values.push_back(Value1);
}
Arg::~Arg() {
if (OwnsValues) {
for (unsigned i = 0, e = Values.size(); i != e; ++i)
delete[] Values[i];
}
}
void Arg::dump() const {
llvm::errs() << "<";
llvm::errs() << " Opt:";
Opt.dump();
llvm::errs() << " Index:" << Index;
llvm::errs() << " Values: [";
for (unsigned i = 0, e = Values.size(); i != e; ++i) {
if (i) llvm::errs() << ", ";
llvm::errs() << "'" << Values[i] << "'";
}
llvm::errs() << "]>\n";
}
std::string Arg::getAsString(const ArgList &Args) const {
SmallString<256> Res;
llvm::raw_svector_ostream OS(Res);
ArgStringList ASL;
render(Args, ASL);
for (ArgStringList::iterator
it = ASL.begin(), ie = ASL.end(); it != ie; ++it) {
if (it != ASL.begin())
OS << ' ';
OS << *it;
}
return OS.str();
}
void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const {
if (!getOption().hasNoOptAsInput()) {
render(Args, Output);
return;
}
for (unsigned i = 0, e = getNumValues(); i != e; ++i)
Output.push_back(getValue(i));
}
void Arg::render(const ArgList &Args, ArgStringList &Output) const {
switch (getOption().getRenderStyle()) {
case Option::RenderValuesStyle:
for (unsigned i = 0, e = getNumValues(); i != e; ++i)
Output.push_back(getValue(i));
break;
case Option::RenderCommaJoinedStyle: {
SmallString<256> Res;
llvm::raw_svector_ostream OS(Res);
OS << getSpelling();
for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
if (i) OS << ',';
OS << getValue(i);
}
Output.push_back(Args.MakeArgString(OS.str()));
break;
}
case Option::RenderJoinedStyle:
Output.push_back(Args.GetOrMakeJoinedArgString(
getIndex(), getSpelling(), getValue(0)));
for (unsigned i = 1, e = getNumValues(); i != e; ++i)
Output.push_back(getValue(i));
break;
case Option::RenderSeparateStyle:
Output.push_back(Args.MakeArgString(getSpelling()));
for (unsigned i = 0, e = getNumValues(); i != e; ++i)
Output.push_back(getValue(i));
break;
}
}
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