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424 lines
13 KiB
424 lines
13 KiB
//===--- ArgList.cpp - Argument List Management ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Option/ArgList.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/Option.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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using namespace llvm::opt;
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void arg_iterator::SkipToNextArg() {
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for (; Current != Args.end(); ++Current) {
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// Done if there are no filters.
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if (!Id0.isValid())
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break;
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// Otherwise require a match.
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const Option &O = (*Current)->getOption();
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if (O.matches(Id0) ||
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(Id1.isValid() && O.matches(Id1)) ||
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(Id2.isValid() && O.matches(Id2)))
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break;
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}
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}
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void ArgList::append(Arg *A) {
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Args.push_back(A);
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}
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void ArgList::eraseArg(OptSpecifier Id) {
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Args.erase(std::remove_if(begin(), end(),
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[=](Arg *A) { return A->getOption().matches(Id); }),
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end());
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}
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Arg *ArgList::getLastArgNoClaim(OptSpecifier Id) const {
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// FIXME: Make search efficient?
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for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
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if ((*it)->getOption().matches(Id))
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return *it;
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return nullptr;
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}
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Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1) const {
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// FIXME: Make search efficient?
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for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1))
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return *it;
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return nullptr;
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}
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Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2) const {
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// FIXME: Make search efficient?
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for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
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if ((*it)->getOption().matches(Id0) || (*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2))
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return *it;
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return nullptr;
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}
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Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2, OptSpecifier Id3) const {
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// FIXME: Make search efficient?
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for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
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if ((*it)->getOption().matches(Id0) || (*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2) || (*it)->getOption().matches(Id3))
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return *it;
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return nullptr;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2, OptSpecifier Id3) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2) ||
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(*it)->getOption().matches(Id3)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2, OptSpecifier Id3,
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OptSpecifier Id4) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2) ||
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(*it)->getOption().matches(Id3) ||
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(*it)->getOption().matches(Id4)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2, OptSpecifier Id3,
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OptSpecifier Id4, OptSpecifier Id5) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2) ||
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(*it)->getOption().matches(Id3) ||
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(*it)->getOption().matches(Id4) ||
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(*it)->getOption().matches(Id5)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2, OptSpecifier Id3,
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OptSpecifier Id4, OptSpecifier Id5,
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OptSpecifier Id6) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2) ||
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(*it)->getOption().matches(Id3) ||
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(*it)->getOption().matches(Id4) ||
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(*it)->getOption().matches(Id5) ||
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(*it)->getOption().matches(Id6)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
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OptSpecifier Id2, OptSpecifier Id3,
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OptSpecifier Id4, OptSpecifier Id5,
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OptSpecifier Id6, OptSpecifier Id7) const {
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Arg *Res = nullptr;
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for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
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if ((*it)->getOption().matches(Id0) ||
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(*it)->getOption().matches(Id1) ||
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(*it)->getOption().matches(Id2) ||
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(*it)->getOption().matches(Id3) ||
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(*it)->getOption().matches(Id4) ||
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(*it)->getOption().matches(Id5) ||
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(*it)->getOption().matches(Id6) ||
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(*it)->getOption().matches(Id7)) {
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Res = *it;
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Res->claim();
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}
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}
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return Res;
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}
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bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
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if (Arg *A = getLastArg(Pos, Neg))
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return A->getOption().matches(Pos);
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return Default;
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}
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bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier PosAlias, OptSpecifier Neg,
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bool Default) const {
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if (Arg *A = getLastArg(Pos, PosAlias, Neg))
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return A->getOption().matches(Pos) || A->getOption().matches(PosAlias);
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return Default;
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}
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StringRef ArgList::getLastArgValue(OptSpecifier Id,
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StringRef Default) const {
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if (Arg *A = getLastArg(Id))
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return A->getValue();
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return Default;
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}
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std::vector<std::string> ArgList::getAllArgValues(OptSpecifier Id) const {
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SmallVector<const char *, 16> Values;
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AddAllArgValues(Values, Id);
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return std::vector<std::string>(Values.begin(), Values.end());
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}
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void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id) const {
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if (Arg *A = getLastArg(Id)) {
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A->claim();
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A->render(*this, Output);
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}
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}
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void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id0,
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OptSpecifier Id1) const {
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if (Arg *A = getLastArg(Id0, Id1)) {
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A->claim();
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A->render(*this, Output);
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}
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}
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void ArgList::AddAllArgs(ArgStringList &Output,
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ArrayRef<OptSpecifier> Ids) const {
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for (const Arg *Arg : Args) {
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for (OptSpecifier Id : Ids) {
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if (Arg->getOption().matches(Id)) {
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Arg->claim();
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Arg->render(*this, Output);
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break;
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}
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}
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}
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}
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/// This 3-opt variant of AddAllArgs could be eliminated in favor of one
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/// that accepts a single specifier, given the above which accepts any number.
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void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
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OptSpecifier Id1, OptSpecifier Id2) const {
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for (auto Arg: filtered(Id0, Id1, Id2)) {
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Arg->claim();
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Arg->render(*this, Output);
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}
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}
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void ArgList::AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
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OptSpecifier Id1, OptSpecifier Id2) const {
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for (auto Arg : filtered(Id0, Id1, Id2)) {
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Arg->claim();
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const auto &Values = Arg->getValues();
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Output.append(Values.begin(), Values.end());
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}
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}
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void ArgList::AddAllArgsTranslated(ArgStringList &Output, OptSpecifier Id0,
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const char *Translation,
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bool Joined) const {
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for (auto Arg: filtered(Id0)) {
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Arg->claim();
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if (Joined) {
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Output.push_back(MakeArgString(StringRef(Translation) +
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Arg->getValue(0)));
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} else {
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Output.push_back(Translation);
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Output.push_back(Arg->getValue(0));
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}
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}
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}
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void ArgList::ClaimAllArgs(OptSpecifier Id0) const {
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for (auto Arg : filtered(Id0))
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Arg->claim();
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}
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void ArgList::ClaimAllArgs() const {
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for (const_iterator it = begin(), ie = end(); it != ie; ++it)
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if (!(*it)->isClaimed())
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(*it)->claim();
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}
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const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
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StringRef LHS,
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StringRef RHS) const {
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StringRef Cur = getArgString(Index);
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if (Cur.size() == LHS.size() + RHS.size() &&
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Cur.startswith(LHS) && Cur.endswith(RHS))
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return Cur.data();
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return MakeArgString(LHS + RHS);
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}
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void ArgList::print(raw_ostream &O) const {
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for (Arg *A : *this) {
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O << "* ";
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A->print(O);
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}
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}
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LLVM_DUMP_METHOD void ArgList::dump() const { print(dbgs()); }
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//
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void InputArgList::releaseMemory() {
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// An InputArgList always owns its arguments.
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for (Arg *A : *this)
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delete A;
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}
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InputArgList::InputArgList(const char* const *ArgBegin,
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const char* const *ArgEnd)
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: NumInputArgStrings(ArgEnd - ArgBegin) {
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ArgStrings.append(ArgBegin, ArgEnd);
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}
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unsigned InputArgList::MakeIndex(StringRef String0) const {
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unsigned Index = ArgStrings.size();
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// Tuck away so we have a reliable const char *.
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SynthesizedStrings.push_back(String0);
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ArgStrings.push_back(SynthesizedStrings.back().c_str());
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return Index;
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}
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unsigned InputArgList::MakeIndex(StringRef String0,
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StringRef String1) const {
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unsigned Index0 = MakeIndex(String0);
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unsigned Index1 = MakeIndex(String1);
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assert(Index0 + 1 == Index1 && "Unexpected non-consecutive indices!");
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(void) Index1;
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return Index0;
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}
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const char *InputArgList::MakeArgStringRef(StringRef Str) const {
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return getArgString(MakeIndex(Str));
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}
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//
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DerivedArgList::DerivedArgList(const InputArgList &BaseArgs)
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: BaseArgs(BaseArgs) {}
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const char *DerivedArgList::MakeArgStringRef(StringRef Str) const {
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return BaseArgs.MakeArgString(Str);
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}
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void DerivedArgList::AddSynthesizedArg(Arg *A) {
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SynthesizedArgs.push_back(std::unique_ptr<Arg>(A));
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}
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Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option Opt) const {
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SynthesizedArgs.push_back(
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make_unique<Arg>(Opt, MakeArgString(Opt.getPrefix() + Opt.getName()),
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BaseArgs.MakeIndex(Opt.getName()), BaseArg));
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return SynthesizedArgs.back().get();
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}
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Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option Opt,
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StringRef Value) const {
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unsigned Index = BaseArgs.MakeIndex(Value);
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SynthesizedArgs.push_back(
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make_unique<Arg>(Opt, MakeArgString(Opt.getPrefix() + Opt.getName()),
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Index, BaseArgs.getArgString(Index), BaseArg));
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return SynthesizedArgs.back().get();
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}
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Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option Opt,
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StringRef Value) const {
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unsigned Index = BaseArgs.MakeIndex(Opt.getName(), Value);
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SynthesizedArgs.push_back(
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make_unique<Arg>(Opt, MakeArgString(Opt.getPrefix() + Opt.getName()),
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Index, BaseArgs.getArgString(Index + 1), BaseArg));
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return SynthesizedArgs.back().get();
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}
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Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option Opt,
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StringRef Value) const {
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unsigned Index = BaseArgs.MakeIndex((Opt.getName() + Value).str());
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SynthesizedArgs.push_back(make_unique<Arg>(
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Opt, MakeArgString(Opt.getPrefix() + Opt.getName()), Index,
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BaseArgs.getArgString(Index) + Opt.getName().size(), BaseArg));
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return SynthesizedArgs.back().get();
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}
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