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/********************* */
/*! \file language.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, 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 Definition of input and output languages
**
** Definition of input and output languages.
**/
#include "util/language.h"
namespace CVC4 {
namespace language {
InputLanguage toInputLanguage(OutputLanguage language) {
switch(language) {
case output::LANG_SMTLIB_V1:
case output::LANG_SMTLIB_V2:
case output::LANG_TPTP:
case output::LANG_CVC4:
// these entries directly correspond (by design)
return InputLanguage(int(language));
default: {
std::stringstream ss;
ss << "Cannot map output language `" << language
<< "' to an input language.";
throw CVC4::Exception(ss.str());
}
}/* switch(language) */
}/* toInputLanguage() */
OutputLanguage toOutputLanguage(InputLanguage language) {
switch(language) {
case input::LANG_SMTLIB_V1:
case input::LANG_SMTLIB_V2:
case input::LANG_CVC4:
case input::LANG_TPTP:
// these entries directly correspond (by design)
return OutputLanguage(int(language));
default:
// Revert to the default (AST) language.
//
// We used to throw an exception here, but that's not quite right.
// We often call this while constructing exceptions, for one, and
// it's better to output SOMETHING related to the original
// exception rather than mask it with another exception. Also,
// the input language isn't always defined---e.g. during the
// initial phase of the main CVC4 driver while it determines which
// language is appropriate, and during unit tests. Also, when
// users are writing their own code against the library.
return output::LANG_AST;
}/* switch(language) */
}/* toOutputLanguage() */
}/* CVC4::language namespace */
}/* CVC4 namespace */
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