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/********************* */
/*! \file smt2.cpp
** \verbatim
** Original author: cconway
** Major contributors: none
** Minor contributors (to current version): mdeters
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Definitions of SMT2 constants.
**
** Definitions of SMT2 constants.
**/
#include "expr/type.h"
#include "parser/parser.h"
#include "parser/smt/smt.h"
#include "parser/smt2/smt2.h"
namespace CVC4 {
namespace parser {
Smt2::Smt2(ExprManager* exprManager, Input* input, bool strictMode) :
Parser(exprManager,input,strictMode),
d_logicSet(false) {
if( !strictModeEnabled() ) {
addTheory(Smt2::THEORY_CORE);
}
}
void Smt2::addArithmeticOperators() {
addOperator(kind::PLUS);
addOperator(kind::MINUS);
addOperator(kind::UMINUS);
addOperator(kind::MULT);
addOperator(kind::DIVISION);
addOperator(kind::LT);
addOperator(kind::LEQ);
addOperator(kind::GT);
addOperator(kind::GEQ);
}
/**
* Add theory symbols to the parser state.
*
* @param parser the CVC4 Parser object
* @param theory the theory to open (e.g., Core, Ints)
*/
void Smt2::addTheory(Theory theory) {
switch(theory) {
case THEORY_CORE:
defineType("Bool", getExprManager()->booleanType());
defineVar("true", getExprManager()->mkConst(true));
defineVar("false", getExprManager()->mkConst(false));
addOperator(kind::AND);
addOperator(kind::EQUAL);
addOperator(kind::IFF);
addOperator(kind::IMPLIES);
addOperator(kind::ITE);
addOperator(kind::NOT);
addOperator(kind::OR);
addOperator(kind::XOR);
break;
case THEORY_ARRAYS:
// FIXME: should define a paramterized type 'Array' with 2 arguments
mkSort("Array");
addOperator(kind::SELECT);
addOperator(kind::STORE);
break;
case THEORY_REALS_INTS:
defineType("Real", getExprManager()->realType());
// falling-through on purpose, to add Ints part of RealsInts
case THEORY_INTS:
defineType("Int", getExprManager()->integerType());
addArithmeticOperators();
break;
case THEORY_REALS:
defineType("Real", getExprManager()->realType());
addArithmeticOperators();
break;
default:
Unhandled(theory);
}
}
bool Smt2::logicIsSet() {
return d_logicSet;
}
/**
* Sets the logic for the current benchmark. Declares any logic and theory symbols.
*
* @param parser the CVC4 Parser object
* @param name the name of the logic (e.g., QF_UF, AUFLIA)
*/
void Smt2::setLogic(const std::string& name) {
d_logicSet = true;
d_logic = Smt::toLogic(name);
// Core theory belongs to every logic
addTheory(THEORY_CORE);
switch(d_logic) {
case Smt::QF_SAT:
/* No extra symbols necessary */
break;
case Smt::QF_AX:
addTheory(THEORY_ARRAYS);
break;
case Smt::QF_IDL:
case Smt::QF_LIA:
case Smt::QF_NIA:
addTheory(THEORY_INTS);
break;
case Smt::QF_LRA:
case Smt::QF_RDL:
addTheory(THEORY_REALS);
break;
case Smt::QF_UF:
addOperator(kind::APPLY_UF);
break;
case Smt::QF_UFIDL:
addTheory(THEORY_INTS);
addOperator(kind::APPLY_UF);
break;
case Smt::QF_UFLIA:
case Smt::QF_UFLRA:
case Smt::QF_UFNRA:
addTheory(THEORY_REALS);
addOperator(kind::APPLY_UF);
break;
case Smt::AUFLIA:
case Smt::AUFLIRA:
case Smt::AUFNIRA:
case Smt::LRA:
case Smt::UFNIA:
case Smt::QF_AUFBV:
case Smt::QF_AUFLIA:
case Smt::QF_BV:
Unhandled(name);
}
}
void Smt2::setInfo(const std::string& flag, const SExpr& sexpr) {
// TODO: ???
}
}/* CVC4::parser namespace */
}/* CVC4 namespace */
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