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/********************* */
/*! \file argument_extender_implementation.cpp
** \verbatim
** Top contributors (to current version):
** Paul Meng
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Utility class for parsing commandline options.
**
** Utility class for parsing commandline options.
**/
#include "options/argument_extender_implementation.h"
#include <cstdlib>
#include <cstring>
#include <list>
#include "base/cvc4_assert.h"
#include "base/output.h"
#include "options/argument_extender.h"
namespace CVC4 {
namespace options {
ArgumentExtenderImplementation::ArgumentExtenderImplementation()
: d_allocated()
, d_preemptions()
, d_arguments()
{
}
ArgumentExtenderImplementation::~ArgumentExtenderImplementation(){
for(CharPointerList::iterator i = d_allocated.begin(),
iend = d_allocated.end(); i != iend; ++i) {
char* current = *i;
Debug("options") << "~ArgumentExtenderImplementation " << current
<< std::endl;
free(current);
}
d_allocated.clear();
}
size_t ArgumentExtenderImplementation::numArguments() const {
return d_arguments.size();
}
char* ArgumentExtenderImplementation::allocateCopy(const char* element) {
Assert(element != NULL);
char* duplicate = strdup(element);
Assert(duplicate != NULL);
d_allocated.push_back(duplicate);
return duplicate;
}
bool ArgumentExtenderImplementation::hasPreemptions() const {
return !d_preemptions.empty();
}
void ArgumentExtenderImplementation::pushBackPreemption(const char* element) {
d_preemptions.push_back(allocateCopy(element));
}
void ArgumentExtenderImplementation::movePreemptionsToArguments() {
d_arguments.splice(d_arguments.begin(), d_preemptions);
}
void ArgumentExtenderImplementation::popFrontArgument() {
Assert(!d_arguments.empty());
Debug("options") << "ArgumentExtenderImplementation::popFrontArgument "
<< d_arguments.front() << std::endl;
d_arguments.pop_front();
}
void ArgumentExtenderImplementation::pushFrontArgument(const char* element) {
d_arguments.push_front(allocateCopy(element));
}
void ArgumentExtenderImplementation::pushBackArgument(const char* element) {
d_arguments.push_back(allocateCopy(element));
}
void ArgumentExtenderImplementation::getArguments(int* argc, char*** argv)
const {
Assert(argc != NULL);
Assert(argv != NULL);
*argc = numArguments();
*argv = copyArguments();
}
char** ArgumentExtenderImplementation::copyArguments() const {
int size = numArguments();
Assert(size >= 0);
char** array = (char**) malloc( sizeof(char*) * size );
Assert(array != NULL);
int position = 0;
for(std::list< char* >::const_iterator i = d_arguments.begin(),
iend = d_arguments.end(); i != iend; ++i, ++position) {
char* at_position = *i;
array[position] = at_position;
}
return array;
}
}/* CVC4::options namespace */
}/* CVC4 namespace */
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