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llvm-project/llvm/lib/Option/ArgList.cpp

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//===--- ArgList.cpp - Argument List Management ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Option/ArgList.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/Option.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::opt;
void arg_iterator::SkipToNextArg() {
for (; Current != Args.end(); ++Current) {
// Done if there are no filters.
if (!Id0.isValid())
break;
// Otherwise require a match.
const Option &O = (*Current)->getOption();
if (O.matches(Id0) ||
(Id1.isValid() && O.matches(Id1)) ||
(Id2.isValid() && O.matches(Id2)))
break;
}
}
//
ArgList::ArgList() {
}
ArgList::~ArgList() {
}
void ArgList::append(Arg *A) {
Args.push_back(A);
}
void ArgList::eraseArg(OptSpecifier Id) {
for (iterator it = begin(), ie = end(); it != ie; ) {
if ((*it)->getOption().matches(Id)) {
it = Args.erase(it);
ie = end();
} else {
++it;
}
}
}
Arg *ArgList::getLastArgNoClaim(OptSpecifier Id) const {
// FIXME: Make search efficient?
for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
if ((*it)->getOption().matches(Id))
return *it;
return 0;
}
Arg *ArgList::getLastArg(OptSpecifier Id) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id)) {
Res = *it;
Res->claim();
}
}
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1)) {
Res = *it;
Res->claim();
}
}
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
OptSpecifier Id2) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1) ||
(*it)->getOption().matches(Id2)) {
Res = *it;
Res->claim();
}
}
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
OptSpecifier Id2, OptSpecifier Id3) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1) ||
(*it)->getOption().matches(Id2) ||
(*it)->getOption().matches(Id3)) {
Res = *it;
Res->claim();
}
}
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
OptSpecifier Id2, OptSpecifier Id3,
OptSpecifier Id4) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1) ||
(*it)->getOption().matches(Id2) ||
(*it)->getOption().matches(Id3) ||
(*it)->getOption().matches(Id4)) {
Res = *it;
Res->claim();
}
}
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
OptSpecifier Id2, OptSpecifier Id3,
OptSpecifier Id4, OptSpecifier Id5) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1) ||
(*it)->getOption().matches(Id2) ||
(*it)->getOption().matches(Id3) ||
(*it)->getOption().matches(Id4) ||
(*it)->getOption().matches(Id5)) {
Res = *it;
Res->claim();
}
}
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
OptSpecifier Id2, OptSpecifier Id3,
OptSpecifier Id4, OptSpecifier Id5,
OptSpecifier Id6) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1) ||
(*it)->getOption().matches(Id2) ||
(*it)->getOption().matches(Id3) ||
(*it)->getOption().matches(Id4) ||
(*it)->getOption().matches(Id5) ||
(*it)->getOption().matches(Id6)) {
Res = *it;
Res->claim();
}
}
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
OptSpecifier Id2, OptSpecifier Id3,
OptSpecifier Id4, OptSpecifier Id5,
OptSpecifier Id6, OptSpecifier Id7) const {
Arg *Res = 0;
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1) ||
(*it)->getOption().matches(Id2) ||
(*it)->getOption().matches(Id3) ||
(*it)->getOption().matches(Id4) ||
(*it)->getOption().matches(Id5) ||
(*it)->getOption().matches(Id6) ||
(*it)->getOption().matches(Id7)) {
Res = *it;
Res->claim();
}
}
return Res;
}
bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
if (Arg *A = getLastArg(Pos, Neg))
return A->getOption().matches(Pos);
return Default;
}
bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier PosAlias, OptSpecifier Neg,
bool Default) const {
if (Arg *A = getLastArg(Pos, PosAlias, Neg))
return A->getOption().matches(Pos) || A->getOption().matches(PosAlias);
return Default;
}
StringRef ArgList::getLastArgValue(OptSpecifier Id,
StringRef Default) const {
if (Arg *A = getLastArg(Id))
return A->getValue();
return Default;
}
std::vector<std::string> ArgList::getAllArgValues(OptSpecifier Id) const {
SmallVector<const char *, 16> Values;
AddAllArgValues(Values, Id);
return std::vector<std::string>(Values.begin(), Values.end());
}
void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id) const {
if (Arg *A = getLastArg(Id)) {
A->claim();
A->render(*this, Output);
}
}
void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id0,
OptSpecifier Id1) const {
if (Arg *A = getLastArg(Id0, Id1)) {
A->claim();
A->render(*this, Output);
}
}
void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
OptSpecifier Id1, OptSpecifier Id2) const {
for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
ie = filtered_end(); it != ie; ++it) {
(*it)->claim();
(*it)->render(*this, Output);
}
}
void ArgList::AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
OptSpecifier Id1, OptSpecifier Id2) const {
for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
ie = filtered_end(); it != ie; ++it) {
(*it)->claim();
for (unsigned i = 0, e = (*it)->getNumValues(); i != e; ++i)
Output.push_back((*it)->getValue(i));
}
}
void ArgList::AddAllArgsTranslated(ArgStringList &Output, OptSpecifier Id0,
const char *Translation,
bool Joined) const {
for (arg_iterator it = filtered_begin(Id0),
ie = filtered_end(); it != ie; ++it) {
(*it)->claim();
if (Joined) {
Output.push_back(MakeArgString(StringRef(Translation) +
(*it)->getValue(0)));
} else {
Output.push_back(Translation);
Output.push_back((*it)->getValue(0));
}
}
}
void ArgList::ClaimAllArgs(OptSpecifier Id0) const {
for (arg_iterator it = filtered_begin(Id0),
ie = filtered_end(); it != ie; ++it)
(*it)->claim();
}
void ArgList::ClaimAllArgs() const {
for (const_iterator it = begin(), ie = end(); it != ie; ++it)
if (!(*it)->isClaimed())
(*it)->claim();
}
const char *ArgList::MakeArgString(const Twine &T) const {
SmallString<256> Str;
return MakeArgString(T.toStringRef(Str));
}
const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
StringRef LHS,
StringRef RHS) const {
StringRef Cur = getArgString(Index);
if (Cur.size() == LHS.size() + RHS.size() &&
Cur.startswith(LHS) && Cur.endswith(RHS))
return Cur.data();
return MakeArgString(LHS + RHS);
}
//
InputArgList::InputArgList(const char* const *ArgBegin,
const char* const *ArgEnd)
: NumInputArgStrings(ArgEnd - ArgBegin) {
ArgStrings.append(ArgBegin, ArgEnd);
}
InputArgList::~InputArgList() {
// An InputArgList always owns its arguments.
for (iterator it = begin(), ie = end(); it != ie; ++it)
delete *it;
}
unsigned InputArgList::MakeIndex(StringRef String0) const {
unsigned Index = ArgStrings.size();
// Tuck away so we have a reliable const char *.
SynthesizedStrings.push_back(String0);
ArgStrings.push_back(SynthesizedStrings.back().c_str());
return Index;
}
unsigned InputArgList::MakeIndex(StringRef String0,
StringRef String1) const {
unsigned Index0 = MakeIndex(String0);
unsigned Index1 = MakeIndex(String1);
assert(Index0 + 1 == Index1 && "Unexpected non-consecutive indices!");
(void) Index1;
return Index0;
}
const char *InputArgList::MakeArgString(StringRef Str) const {
return getArgString(MakeIndex(Str));
}
//
DerivedArgList::DerivedArgList(const InputArgList &_BaseArgs)
: BaseArgs(_BaseArgs) {
}
DerivedArgList::~DerivedArgList() {
// We only own the arguments we explicitly synthesized.
for (iterator it = SynthesizedArgs.begin(), ie = SynthesizedArgs.end();
it != ie; ++it)
delete *it;
}
const char *DerivedArgList::MakeArgString(StringRef Str) const {
return BaseArgs.MakeArgString(Str);
}
Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option Opt) const {
Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
Twine(Opt.getName())),
BaseArgs.MakeIndex(Opt.getName()), BaseArg);
SynthesizedArgs.push_back(A);
return A;
}
Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option Opt,
StringRef Value) const {
unsigned Index = BaseArgs.MakeIndex(Value);
Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
Twine(Opt.getName())),
Index, BaseArgs.getArgString(Index), BaseArg);
SynthesizedArgs.push_back(A);
return A;
}
Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option Opt,
StringRef Value) const {
unsigned Index = BaseArgs.MakeIndex(Opt.getName(), Value);
Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
Twine(Opt.getName())),
Index, BaseArgs.getArgString(Index + 1), BaseArg);
SynthesizedArgs.push_back(A);
return A;
}
Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option Opt,
StringRef Value) const {
unsigned Index = BaseArgs.MakeIndex(Opt.getName().str() + Value.str());
Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
Twine(Opt.getName())), Index,
BaseArgs.getArgString(Index) + Opt.getName().size(),
BaseArg);
SynthesizedArgs.push_back(A);
return A;
}
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