/usr/include/cvc3/lang.h is in libcvc3-dev 2.4.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*!
* \file lang.h
* \brief Definition of input and output languages to CVC3
*
* Author: Mehul Trivedi
*
* Created: Thu Jul 29 11:56:34 2004
*
* <hr>
*
* License to use, copy, modify, sell and/or distribute this software
* and its documentation for any purpose is hereby granted without
* royalty, subject to the terms and conditions defined in the \ref
* LICENSE file provided with this distribution.
*
* <hr>
*
*/
/*****************************************************************************/
#ifndef _cvc3__lang_h_
#define _cvc3__lang_h_
#include "debug.h"
namespace CVC3 {
//! Different input languages
typedef enum {
//! Nice SAL-like language for manually written specs
PRESENTATION_LANG,
//! SMT-LIB format
SMTLIB_LANG,
//! Lisp-like format for automatically generated specs
LISP_LANG,
AST_LANG,
/* @brief AST is only for printing the Expr abstract syntax tree in lisp
format; there is no such input language <em>per se</em> */
//! for output into Simplify format
SIMPLIFY_LANG,
//! for output in TPTP format
TPTP_LANG,
//! for output in SPASS format
SPASS_LANG,
//! SMT-LIB v2 format
SMTLIB_V2_LANG
} InputLanguage;
inline bool isPrefix(const std::string& prefix,
const std::string& str) {
return str.rfind( prefix, 0 ) == 0;
}
inline InputLanguage getLanguage(const std::string& lang) {
if (lang.size() > 0) {
if(isPrefix(lang,"presentation")) {
return PRESENTATION_LANG;
}
if(isPrefix(lang, "lisp")) {
return LISP_LANG;
}
if(isPrefix(lang,"ast")) {
return AST_LANG;
}
if(isPrefix(lang,"tptp")) {
return TPTP_LANG;
}
/* Languages starting with 's' must have at least 2 letters,
since there's more than one of them. */
if(lang.size() > 1) {
if(isPrefix(lang,"simplify")) {
return SIMPLIFY_LANG;
}
if(isPrefix(lang,"spass")) {
return SPASS_LANG;
}
if (lang[ lang.length() - 1 ] == '2' &&
isPrefix(lang.substr(0,lang.length()-1),"smtlib")) {
return SMTLIB_V2_LANG;
}
if(isPrefix(lang,"smtlib")) {
return SMTLIB_LANG;
}
}
}
throw Exception("Bad input language specified");
return AST_LANG;
}
} // end of namespace CVC3
#endif
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