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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 "clang/Driver/ArgList.h"
#include "clang/Driver/Arg.h"
#include "clang/Driver/Option.h"
using namespace clang::driver;
ArgList::ArgList(arglist_type &_Args) : Args(_Args) {
}
ArgList::~ArgList() {
}
void ArgList::append(Arg *A) {
Args.push_back(A);
}
Arg *ArgList::getLastArg(options::ID Id, bool Claim) const {
// FIXME: Make search efficient?
for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it) {
if ((*it)->getOption().matches(Id)) {
if (Claim) (*it)->claim();
return *it;
}
}
return 0;
}
Arg *ArgList::getLastArg(options::ID Id0, options::ID Id1, bool Claim) const {
Arg *Res, *A0 = getLastArg(Id0, false), *A1 = getLastArg(Id1, false);
if (A0 && A1)
Res = A0->getIndex() > A1->getIndex() ? A0 : A1;
else
Res = A0 ? A0 : A1;
if (Claim && Res)
Res->claim();
return Res;
}
bool ArgList::hasFlag(options::ID Pos, options::ID Neg, bool Default) const {
Arg *PosA = getLastArg(Pos);
Arg *NegA = getLastArg(Neg);
if (PosA && NegA)
return NegA->getIndex() < PosA->getIndex();
if (PosA) return true;
if (NegA) return false;
return Default;
}
void ArgList::AddLastArg(ArgStringList &Output, options::ID Id) const {
if (Arg *A = getLastArg(Id)) {
A->claim();
A->render(*this, Output);
}
}
void ArgList::AddAllArgs(ArgStringList &Output, options::ID Id0) const {
// FIXME: Make fast.
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(Id0)) {
A->claim();
A->render(*this, Output);
}
}
}
void ArgList::AddAllArgs(ArgStringList &Output, options::ID Id0,
options::ID Id1) const {
// FIXME: Make fast.
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(Id0) || A->getOption().matches(Id1)) {
A->claim();
A->render(*this, Output);
}
}
}
void ArgList::AddAllArgs(ArgStringList &Output, options::ID Id0,
options::ID Id1, options::ID Id2) const {
// FIXME: Make fast.
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(Id0) || A->getOption().matches(Id1) ||
A->getOption().matches(Id2)) {
A->claim();
A->render(*this, Output);
}
}
}
void ArgList::AddAllArgValues(ArgStringList &Output, options::ID Id0) const {
// FIXME: Make fast.
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(Id0)) {
A->claim();
for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
Output.push_back(A->getValue(*this, i));
}
}
}
void ArgList::AddAllArgValues(ArgStringList &Output, options::ID Id0,
options::ID Id1) const {
// FIXME: Make fast.
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(Id0) || A->getOption().matches(Id1)) {
A->claim();
for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
Output.push_back(A->getValue(*this, i));
}
}
}
void ArgList::AddAllArgsTranslated(ArgStringList &Output, options::ID Id0,
const char *Translation) const {
// FIXME: Make fast.
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(Id0)) {
A->claim();
Output.push_back(Translation);
Output.push_back(A->getValue(*this, 0));
}
}
}
//
InputArgList::InputArgList(const char **ArgBegin, const char **ArgEnd)
: ArgList(ActualArgs), 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(const char *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(const char *String0,
const char *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(const char *Str) const {
return getArgString(MakeIndex(Str));
}
//
DerivedArgList::DerivedArgList(InputArgList &_BaseArgs, bool _OnlyProxy)
: ArgList(_OnlyProxy ? _BaseArgs.getArgs() : ActualArgs),
BaseArgs(_BaseArgs), OnlyProxy(_OnlyProxy)
{
}
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(const char *Str) const {
return BaseArgs.MakeArgString(Str);
}
Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option *Opt) const {
return new FlagArg(Opt, BaseArgs.MakeIndex(Opt->getName()), BaseArg);
}
Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option *Opt,
const char *Value) const {
return new PositionalArg(Opt, BaseArgs.MakeIndex(Value), BaseArg);
}
Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option *Opt,
const char *Value) const {
return new SeparateArg(Opt, BaseArgs.MakeIndex(Opt->getName(), Value), 1,
BaseArg);
}
Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option *Opt,
const char *Value) const {
std::string Joined(Opt->getName());
Joined += Value;
return new JoinedArg(Opt, BaseArgs.MakeIndex(Joined.c_str()), BaseArg);
}
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