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/********************* */
/*! \file smt2.cpp
** \verbatim
** Original author: cconway
** Major contributors: mdeters
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010, 2011 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 "expr/command.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, bool parseOnly) :
Parser(exprManager,input,strictMode,parseOnly),
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);
}
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::DISTINCT);
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:
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;
case THEORY_BITVECTORS:
break;
case THEORY_QUANTIFIERS:
break;
default:
Unhandled(theory);
}
}
bool Smt2::logicIsSet() {
return d_logicSet;
}
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_RDL:
case Smt::QF_LRA:
case Smt::QF_NRA:
addTheory(THEORY_REALS);
break;
case Smt::QF_UF:
addOperator(kind::APPLY_UF);
break;
case Smt::QF_UFIDL:
case Smt::QF_UFLIA:
case Smt::QF_UFNIA:// nonstandard logic
addTheory(THEORY_INTS);
addOperator(kind::APPLY_UF);
break;
case Smt::QF_UFLRA:
case Smt::QF_UFNRA:
addTheory(THEORY_REALS);
addOperator(kind::APPLY_UF);
break;
case Smt::QF_UFLIRA:// nonstandard logic
case Smt::QF_UFNIRA:// nonstandard logic
addOperator(kind::APPLY_UF);
addTheory(THEORY_INTS);
addTheory(THEORY_REALS);
break;
case Smt::QF_BV:
addTheory(THEORY_BITVECTORS);
break;
case Smt::QF_ABV:
addTheory(THEORY_ARRAYS);
addTheory(THEORY_BITVECTORS);
break;
case Smt::QF_UFBV:
addOperator(kind::APPLY_UF);
addTheory(THEORY_BITVECTORS);
break;
case Smt::QF_AUFBV:
addOperator(kind::APPLY_UF);
addTheory(THEORY_ARRAYS);
addTheory(THEORY_BITVECTORS);
break;
case Smt::QF_AUFBVLIA:
addOperator(kind::APPLY_UF);
addTheory(THEORY_ARRAYS);
addTheory(THEORY_BITVECTORS);
addTheory(THEORY_INTS);
break;
case Smt::QF_AUFBVLRA:
addOperator(kind::APPLY_UF);
addTheory(THEORY_ARRAYS);
addTheory(THEORY_BITVECTORS);
addTheory(THEORY_REALS);
break;
case Smt::QF_AUFLIA:
addTheory(THEORY_ARRAYS);
addOperator(kind::APPLY_UF);
addTheory(THEORY_INTS);
break;
case Smt::QF_AUFLIRA:
addTheory(THEORY_ARRAYS);
addOperator(kind::APPLY_UF);
addTheory(THEORY_INTS);
addTheory(THEORY_REALS);
break;
case Smt::ALL_SUPPORTED:
addTheory(THEORY_QUANTIFIERS);
/* fall through */
case Smt::QF_ALL_SUPPORTED:
addTheory(THEORY_ARRAYS);
addOperator(kind::APPLY_UF);
addTheory(THEORY_INTS);
addTheory(THEORY_REALS);
addTheory(THEORY_BITVECTORS);
break;
case Smt::AUFLIA:
case Smt::AUFLIRA:
case Smt::AUFNIRA:
case Smt::LRA:
case Smt::UFNIA:
case Smt::UFNIRA:
case Smt::UFLRA:
if(d_logic != Smt::AUFLIA && d_logic != Smt::UFNIA) {
addTheory(THEORY_REALS);
}
if(d_logic != Smt::LRA) {
addOperator(kind::APPLY_UF);
if(d_logic != Smt::UFLRA) {
addTheory(THEORY_INTS);
if(d_logic != Smt::UFNIA && d_logic != Smt::UFNIRA) {
addTheory(THEORY_ARRAYS);
}
}
}
addTheory(THEORY_QUANTIFIERS);
break;
}
}/* Smt2::setLogic() */
void Smt2::setInfo(const std::string& flag, const SExpr& sexpr) {
// TODO: ???
}
void Smt2::setOption(const std::string& flag, const SExpr& sexpr) {
// TODO: ???
}
void Smt2::checkThatLogicIsSet() {
if( ! logicIsSet() ) {
if( strictModeEnabled() ) {
parseError("set-logic must appear before this point.");
} else {
warning("No set-logic command was given before this point.");
warning("CVC4 will assume the non-standard ALL_SUPPORTED logic.");
warning("Consider setting a stricter logic for (likely) better performance.");
warning("To suppress this warning in the future use (set-logic ALL_SUPPORTED).");
setLogic("ALL_SUPPORTED");
preemptCommand(new SetBenchmarkLogicCommand("ALL_SUPPORTED"));
}
}
}
}/* CVC4::parser namespace */
}/* CVC4 namespace */
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