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/********************* */
/*! \file smt2.cpp
** \verbatim
** Original author: Christopher L. Conway
** Major contributors: Morgan Deters
** Minor contributors (to current version): Clark Barrett
** 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 Definitions of SMT2 constants.
**
** Definitions of SMT2 constants.
**/
#include "expr/type.h"
#include "expr/command.h"
#include "parser/parser.h"
#include "parser/smt1/smt1.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::LT);
addOperator(kind::LEQ);
addOperator(kind::GT);
addOperator(kind::GEQ);
}
void Smt2::addBitvectorOperators() {
addOperator(kind::BITVECTOR_CONCAT);
addOperator(kind::BITVECTOR_AND);
addOperator(kind::BITVECTOR_OR);
addOperator(kind::BITVECTOR_XOR);
addOperator(kind::BITVECTOR_NOT);
addOperator(kind::BITVECTOR_NAND);
addOperator(kind::BITVECTOR_NOR);
addOperator(kind::BITVECTOR_XNOR);
addOperator(kind::BITVECTOR_COMP);
addOperator(kind::BITVECTOR_MULT);
addOperator(kind::BITVECTOR_PLUS);
addOperator(kind::BITVECTOR_SUB);
addOperator(kind::BITVECTOR_NEG);
addOperator(kind::BITVECTOR_UDIV);
addOperator(kind::BITVECTOR_UREM);
addOperator(kind::BITVECTOR_SDIV);
addOperator(kind::BITVECTOR_SREM);
addOperator(kind::BITVECTOR_SMOD);
addOperator(kind::BITVECTOR_SHL);
addOperator(kind::BITVECTOR_LSHR);
addOperator(kind::BITVECTOR_ASHR);
addOperator(kind::BITVECTOR_ULT);
addOperator(kind::BITVECTOR_ULE);
addOperator(kind::BITVECTOR_UGT);
addOperator(kind::BITVECTOR_UGE);
addOperator(kind::BITVECTOR_SLT);
addOperator(kind::BITVECTOR_SLE);
addOperator(kind::BITVECTOR_SGT);
addOperator(kind::BITVECTOR_SGE);
addOperator(kind::BITVECTOR_BITOF);
addOperator(kind::BITVECTOR_EXTRACT);
addOperator(kind::BITVECTOR_REPEAT);
addOperator(kind::BITVECTOR_ZERO_EXTEND);
addOperator(kind::BITVECTOR_SIGN_EXTEND);
addOperator(kind::BITVECTOR_ROTATE_LEFT);
addOperator(kind::BITVECTOR_ROTATE_RIGHT);
}
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());
addOperator(kind::DIVISION);
// falling through on purpose, to add Ints part of Reals_Ints
case THEORY_INTS:
defineType("Int", getExprManager()->integerType());
addArithmeticOperators();
addOperator(kind::INTS_DIVISION);
addOperator(kind::INTS_MODULUS);
break;
case THEORY_REALS:
defineType("Real", getExprManager()->realType());
addArithmeticOperators();
addOperator(kind::DIVISION);
break;
case THEORY_BITVECTORS:
addBitvectorOperators();
break;
case THEORY_QUANTIFIERS:
break;
default:
std::stringstream ss;
ss << "internal error: unsupported theory " << theory;
throw ParserException(ss.str());
}
}
bool Smt2::logicIsSet() {
return d_logicSet;
}
void Smt2::setLogic(const std::string& name) {
d_logicSet = true;
d_logic = name;
// Core theory belongs to every logic
addTheory(THEORY_CORE);
if(d_logic.isTheoryEnabled(theory::THEORY_UF)) {
addOperator(kind::APPLY_UF);
}
if(d_logic.isTheoryEnabled(theory::THEORY_ARITH)) {
if(d_logic.areIntegersUsed()) {
addTheory(THEORY_INTS);
}
if(d_logic.areRealsUsed()) {
addTheory(THEORY_REALS);
}
}
if(d_logic.isTheoryEnabled(theory::THEORY_ARRAY)) {
addTheory(THEORY_ARRAYS);
}
if(d_logic.isTheoryEnabled(theory::THEORY_BV)) {
addTheory(THEORY_BITVECTORS);
}
if(d_logic.isQuantified()) {
addTheory(THEORY_QUANTIFIERS);
}
}/* 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");
Command* c = new SetBenchmarkLogicCommand("ALL_SUPPORTED");
c->setMuted(true);
preemptCommand(c);
}
}
}
}/* CVC4::parser namespace */
}/* CVC4 namespace */
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