137 lines
4.7 KiB
C++
137 lines
4.7 KiB
C++
/*
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* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
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* Heikki Tauriainen <Heikki.Tauriainen@hut.fi>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif /* HAVE_FCNTL_H */
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <fstream>
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#include "ExternalTranslator.h"
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/******************************************************************************
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*
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* Function definitions for class ExternalTranslator.
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*
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*****************************************************************************/
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/* ========================================================================= */
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ExternalTranslator::~ExternalTranslator()
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/* ----------------------------------------------------------------------------
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*
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* Description: Destructor for class ExternalTranslator.
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*
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* Arguments: None.
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*
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* Returns: Nothing.
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*
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* ------------------------------------------------------------------------- */
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{
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/*
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* Delete all registered temporary files or directories in the reverse order
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* of registration.
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*/
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while (!temporary_file_objects.empty())
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{
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delete temporary_file_objects.top();
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temporary_file_objects.pop();
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}
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}
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/* ========================================================================= */
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const char* ExternalTranslator::registerTempFileObject
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(const string& filename, const TempFsysName::NameType type,
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const bool literal)
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/* ----------------------------------------------------------------------------
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*
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* Description: Registers a temporary file or directory such that it will be
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* automatically deleted when the ExternalTranslator object is
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* destroyed.
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*
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* Arguments: filename -- Name of the temporary file or directory. If
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* empty, a new name will be created.
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* type -- Type of the object (TempFileObject::FILE or
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* TempFileObject::DIRECTORY).
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* literal -- Tells whether the file name should be
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* interpreted literally.
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*
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* Returns: Nothing.
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*
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* ------------------------------------------------------------------------- */
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{
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TempFsysName* name = new TempFsysName;
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name->allocate(filename.c_str(), type, literal);
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temporary_file_objects.push(name);
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return name->get();
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}
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/* ========================================================================= */
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void ExternalTranslator::translate
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(const ::Ltl::LtlFormula& formula, const char* filename)
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/* ----------------------------------------------------------------------------
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*
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* Description: Executes an external program which translates an LTL formula
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* into a B<>chi automaton and stores the automaton description
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* in lbtt format into a file.
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*
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* Arguments: formula -- LTL formula to be translated.
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* filename -- Name of the output file.
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*
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* Returns: Nothing.
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*
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* ------------------------------------------------------------------------- */
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{
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const char* external_program_input_file
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= registerTempFileObject("lbtt-translate");
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const char* external_program_output_file
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= registerTempFileObject("lbtt-translate");
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string translated_formula;
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translateFormula(formula, translated_formula);
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ofstream input_file;
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input_file.open(external_program_input_file, ios::out | ios::trunc);
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if (!input_file.good())
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throw FileCreationException(string("`") + external_program_input_file
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+ "'");
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Exceptional_ostream einput_file(&input_file, ios::failbit | ios::badbit);
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formatInput(einput_file, translated_formula);
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input_file.close();
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string command_line = string(command_line_arguments[2])
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+ commandLine(external_program_input_file,
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external_program_output_file);
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if (!execSuccess(system(command_line.c_str())))
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throw ExecFailedException(command_line_arguments[2]);
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parseAutomaton(external_program_output_file, filename);
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}
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