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/********************* */
/*! \file smt2_printer.cpp
** \verbatim
** Original author: mdeters
** Major contributors: none
** Minor contributors (to current version): none
** 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 The pretty-printer interface for the SMT2 output language
**
** The pretty-printer interface for the SMT2 output language.
**/
#include "printer/smt2/smt2_printer.h"
#include <iostream>
using namespace std;
namespace CVC4 {
namespace printer {
namespace smt2 {
void printBvParameterizedOp(std::ostream& out, TNode n);
void Smt2Printer::toStream(std::ostream& out, TNode n,
int toDepth, bool types) const {
// null
if(n.getKind() == kind::NULL_EXPR) {
out << "null";
return;
}
// variable
if(n.getMetaKind() == kind::metakind::VARIABLE) {
string s;
if(n.getAttribute(expr::VarNameAttr(), s)) {
out << s;
} else {
if(n.getKind() == kind::VARIABLE) {
out << "var_";
} else {
out << n.getKind() << '_';
}
out << n.getId();
}
if(types) {
// print the whole type, but not *its* type
out << ":";
n.getType().toStream(out, -1, false, language::output::LANG_SMTLIB_V2);
}
return;
}
// constant
if(n.getMetaKind() == kind::metakind::CONSTANT) {
switch(n.getKind()) {
case kind::BITVECTOR_TYPE:
out << "(_ BitVec " << n.getConst<BitVectorSize>().size << ")";
break;
case kind::CONST_BITVECTOR: {
const BitVector& bv = n.getConst<BitVector>();
const Integer& x = bv.getValue();
out << "#b";
unsigned n = bv.getSize();
while(n-- > 0) {
out << (x.testBit(n) ? '1' : '0');
}
break;
}
default:
// fall back on whatever operator<< does on underlying type; we
// might luck out and be SMT-LIB v2 compliant
kind::metakind::NodeValueConstPrinter::toStream(out, n);
}
return;
}
bool stillNeedToPrintParams = true;
// operator
out << '(';
switch(n.getKind()) {
// builtin theory
case kind::EQUAL: out << "= "; break;
case kind::DISTINCT: out << "distinct "; break;
case kind::TUPLE: break;
// bool theory
case kind::NOT: out << "not "; break;
case kind::AND: out << "and "; break;
case kind::IFF: out << "iff "; break;
case kind::IMPLIES: out << "implies "; break;
case kind::OR: out << "or "; break;
case kind::XOR: out << "xor "; break;
case kind::ITE: out << "ite "; break;
// uf theory
case kind::APPLY_UF: break;
case kind::SORT_TYPE: break;
// arith theory
case kind::PLUS: out << "+ "; break;
case kind::MULT: out << "* "; break;
case kind::MINUS: out << "- "; break;
case kind::UMINUS: out << "- "; break;
case kind::DIVISION: out << "/ "; break;
case kind::LT: out << "< "; break;
case kind::LEQ: out << "<= "; break;
case kind::GT: out << "> "; break;
case kind::GEQ: out << ">= "; break;
// arrays theory
case kind::SELECT: out << "select "; break;
case kind::STORE: out << "store "; break;
// bv theory
case kind::BITVECTOR_CONCAT: out << "concat "; break;
case kind::BITVECTOR_AND: out << "bvand "; break;
case kind::BITVECTOR_OR: out << "bvor "; break;
case kind::BITVECTOR_XOR: out << "bvxor "; break;
case kind::BITVECTOR_NOT: out << "bvnot "; break;
case kind::BITVECTOR_NAND: out << "bvnand "; break;
case kind::BITVECTOR_NOR: out << "bvnor "; break;
case kind::BITVECTOR_XNOR: out << "bvxnor "; break;
case kind::BITVECTOR_COMP: out << "bvcomp "; break;
case kind::BITVECTOR_MULT: out << "bvmul "; break;
case kind::BITVECTOR_PLUS: out << "bvadd "; break;
case kind::BITVECTOR_SUB: out << "bvsub "; break;
case kind::BITVECTOR_NEG: out << "bvneg "; break;
case kind::BITVECTOR_UDIV: out << "bvudiv "; break;
case kind::BITVECTOR_UREM: out << "bvurem "; break;
case kind::BITVECTOR_SDIV: out << "bvsdiv "; break;
case kind::BITVECTOR_SREM: out << "bvsrem "; break;
case kind::BITVECTOR_SMOD: out << "bvsmod "; break;
case kind::BITVECTOR_SHL: out << "bvshl "; break;
case kind::BITVECTOR_LSHR: out << "bvlshr "; break;
case kind::BITVECTOR_ASHR: out << "bvashr "; break;
case kind::BITVECTOR_ULT: out << "bvult "; break;
case kind::BITVECTOR_ULE: out << "bvule "; break;
case kind::BITVECTOR_UGT: out << "bvugt "; break;
case kind::BITVECTOR_UGE: out << "bvuge "; break;
case kind::BITVECTOR_SLT: out << "bvslt "; break;
case kind::BITVECTOR_SLE: out << "bvsle "; break;
case kind::BITVECTOR_SGT: out << "bvsgt "; break;
case kind::BITVECTOR_SGE: out << "bvsge "; break;
case kind::BITVECTOR_EXTRACT:
case kind::BITVECTOR_REPEAT:
case kind::BITVECTOR_ZERO_EXTEND:
case kind::BITVECTOR_SIGN_EXTEND:
case kind::BITVECTOR_ROTATE_LEFT:
case kind::BITVECTOR_ROTATE_RIGHT:
printBvParameterizedOp(out, n);
out << ' ';
stillNeedToPrintParams = false;
break;
default:
// fall back on however the kind prints itself; this probably
// won't be SMT-LIB v2 compliant, but it will be clear from the
// output that support for the kind needs to be added here.
out << n.getKind() << ' ';
}
if(n.getMetaKind() == kind::metakind::PARAMETERIZED &&
stillNeedToPrintParams) {
if(toDepth != 0) {
n.getOperator().toStream(out, toDepth < 0 ? toDepth : toDepth - 1,
types, language::output::LANG_SMTLIB_V2);
} else {
out << "(...)";
}
if(n.getNumChildren() > 0) {
out << ' ';
}
}
for(TNode::iterator i = n.begin(),
iend = n.end();
i != iend; ) {
if(toDepth != 0) {
(*i).toStream(out, toDepth < 0 ? toDepth : toDepth - 1,
types, language::output::LANG_SMTLIB_V2);
} else {
out << "(...)";
}
if(++i != iend) {
out << ' ';
}
}
out << ')';
}/* Smt2Printer::toStream() */
void printBvParameterizedOp(std::ostream& out, TNode n) {
out << "(_ ";
switch(n.getKind()) {
case kind::BITVECTOR_EXTRACT: {
BitVectorExtract p = n.getOperator().getConst<BitVectorExtract>();
out << "extract " << p.high << " " << p.low;
break;
}
case kind::BITVECTOR_REPEAT:
out << "repeat "
<< n.getOperator().getConst<BitVectorRepeat>().repeatAmount;
break;
case kind::BITVECTOR_ZERO_EXTEND:
out << "zero_extend "
<< n.getOperator().getConst<BitVectorZeroExtend>().zeroExtendAmount;
break;
case kind::BITVECTOR_SIGN_EXTEND:
out << "sign_extend "
<< n.getOperator().getConst<BitVectorSignExtend>().signExtendAmount;
break;
case kind::BITVECTOR_ROTATE_LEFT:
out << "rotate_left "
<< n.getOperator().getConst<BitVectorRotateLeft>().rotateLeftAmount;
break;
case kind::BITVECTOR_ROTATE_RIGHT:
out << "rotate_right "
<< n.getOperator().getConst<BitVectorRotateRight>().rotateRightAmount;
break;
default:
Unhandled(n.getKind());
}
out << ")";
}
}/* CVC4::printer::smt2 namespace */
}/* CVC4::printer namespace */
}/* CVC4 namespace */
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