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/********************* */
/*! \file command_executor.cpp
** \verbatim
** Original author: Morgan Deters
** Major contributors: Kshitij Bansal
** Minor contributors (to current version): Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2013 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief An additional layer between commands and invoking them.
**/
#include <iostream>
#include "main/command_executor.h"
#include "expr/command.h"
#include "main/main.h"
#include "smt/options.h"
namespace CVC4 {
namespace main {
CommandExecutor::CommandExecutor(ExprManager &exprMgr, Options &options) :
d_exprMgr(exprMgr),
d_smtEngine(SmtEngine(&exprMgr)),
d_options(options),
d_stats("driver"),
d_result() {
}
bool CommandExecutor::doCommand(Command* cmd)
{
if( d_options[options::parseOnly] ) {
return true;
}
CommandSequence *seq = dynamic_cast<CommandSequence*>(cmd);
if(seq != NULL) {
// assume no error
bool status = true;
for(CommandSequence::iterator subcmd = seq->begin();
status && subcmd != seq->end();
++subcmd) {
status = doCommand(*subcmd);
}
return status;
} else {
if(d_options[options::verbosity] > 2) {
*d_options[options::out] << "Invoking: " << *cmd << std::endl;
}
return doCommandSingleton(cmd);
}
}
bool CommandExecutor::doCommandSingleton(Command* cmd)
{
bool status = true;
if(d_options[options::verbosity] >= -1) {
status = smtEngineInvoke(&d_smtEngine, cmd, d_options[options::out]);
} else {
status = smtEngineInvoke(&d_smtEngine, cmd, NULL);
}
Result res;
CheckSatCommand* cs = dynamic_cast<CheckSatCommand*>(cmd);
if(cs != NULL) {
d_result = res = cs->getResult();
}
QueryCommand* q = dynamic_cast<QueryCommand*>(cmd);
if(q != NULL) {
d_result = res = q->getResult();
}
// dump the model if option is set
if( status &&
d_options[options::produceModels] &&
d_options[options::dumpModels] &&
( res.asSatisfiabilityResult() == Result::SAT ||
(res.isUnknown() && res.whyUnknown() == Result::INCOMPLETE) ) ) {
Command* gm = new GetModelCommand();
status = doCommandSingleton(gm);
}
return status;
}
bool smtEngineInvoke(SmtEngine* smt, Command* cmd, std::ostream *out)
{
if(out == NULL) {
cmd->invoke(smt);
} else {
cmd->invoke(smt, *out);
}
return !cmd->fail();
}
}/* CVC4::main namespace */
}/* CVC4 namespace */
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