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/********************* */
/*! \file printer.cpp
** \verbatim
** Original author: Morgan Deters
** Major contributors: none
** Minor contributors (to current version): Francois Bobot, 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 Base of the pretty-printer interface
**
** Base of the pretty-printer interface.
**/
#include "printer/printer.h"
#include "util/language.h"
#include "printer/smt1/smt1_printer.h"
#include "printer/smt2/smt2_printer.h"
#include "printer/tptp/tptp_printer.h"
#include "printer/cvc/cvc_printer.h"
#include "printer/ast/ast_printer.h"
#include <string>
using namespace std;
namespace CVC4 {
Printer* Printer::d_printers[language::output::LANG_MAX];
const int PrettySExprs::s_iosIndex = std::ios_base::xalloc();
Printer* Printer::makePrinter(OutputLanguage lang) throw() {
using namespace CVC4::language::output;
switch(lang) {
case LANG_SMTLIB_V1:
return new printer::smt1::Smt1Printer();
case LANG_SMTLIB_V2:
return new printer::smt2::Smt2Printer();
case LANG_TPTP:
return new printer::tptp::TptpPrinter();
case LANG_CVC4:
return new printer::cvc::CvcPrinter();
case LANG_AST:
return new printer::ast::AstPrinter();
default:
Unhandled(lang);
}
}/* Printer::makePrinter() */
void Printer::toStream(std::ostream& out, const Result& r) const throw() {
if(r.getType() == Result::TYPE_SAT) {
switch(r.isSat()) {
case Result::UNSAT:
out << "unsat";
break;
case Result::SAT:
out << "sat";
break;
case Result::SAT_UNKNOWN:
out << "unknown";
if(r.whyUnknown() != Result::UNKNOWN_REASON) {
out << " (" << r.whyUnknown() << ")";
}
break;
}
} else {
switch(r.isValid()) {
case Result::INVALID:
out << "invalid";
break;
case Result::VALID:
out << "valid";
break;
case Result::VALIDITY_UNKNOWN:
out << "unknown";
if(r.whyUnknown() != Result::UNKNOWN_REASON) {
out << " (" << r.whyUnknown() << ")";
}
break;
}
}
}/* Printer::toStream() */
static void toStreamRec(std::ostream& out, const SExpr& sexpr, int indent) throw() {
if(sexpr.isInteger()) {
out << sexpr.getIntegerValue();
} else if(sexpr.isRational()) {
out << fixed << sexpr.getRationalValue().getDouble();
} else if(sexpr.isKeyword()) {
out << sexpr.getValue();
} else if(sexpr.isString()) {
string s = sexpr.getValue();
// escape backslash and quote
for(size_t i = 0; i < s.length(); ++i) {
if(s[i] == '"') {
s.replace(i, 1, "\\\"");
++i;
} else if(s[i] == '\\') {
s.replace(i, 1, "\\\\");
++i;
}
}
out << "\"" << s << "\"";
} else {
const vector<SExpr>& kids = sexpr.getChildren();
out << (indent > 0 && kids.size() > 1 ? "( " : "(");
bool first = true;
for(vector<SExpr>::const_iterator i = kids.begin(); i != kids.end(); ++i) {
if(first) {
first = false;
} else {
if(indent > 0) {
out << "\n" << string(indent, ' ');
} else {
out << ' ';
}
}
toStreamRec(out, *i, indent <= 0 || indent > 2 ? 0 : indent + 2);
}
if(indent > 0 && kids.size() > 1) {
out << '\n';
if(indent > 2) {
out << string(indent - 2, ' ');
}
}
out << ')';
}
}/* toStreamRec() */
void Printer::toStream(std::ostream& out, const SExpr& sexpr) const throw() {
toStreamRec(out, sexpr, PrettySExprs::getPrettySExprs(out) ? 2 : 0);
}/* Printer::toStream(SExpr) */
void Printer::toStream(std::ostream& out, const Model& m) const throw() {
for(size_t i = 0; i < m.getNumCommands(); ++i) {
toStream(out, m, m.getCommand(i));
}
}/* Printer::toStream(Model) */
}/* CVC4 namespace */
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