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114 lines
3.0 KiB
114 lines
3.0 KiB
//==============================================================================
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//
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// Copyright (c) 2015-
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// Authors:
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// * Joachim Klein <klein@tcs.inf.tu-dresden.de> (TU Dresden)
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//
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//------------------------------------------------------------------------------
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//
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// This file is part of PRISM.
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//
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// PRISM is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// PRISM 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 PRISM; if not, write to the Free Software Foundation,
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// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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//==============================================================================
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package jltl2ba;
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import java.io.BufferedReader;
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import java.io.FileReader;
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import java.io.InputStreamReader;
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import java.io.PrintStream;
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import jltl2dstar.NBA;
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/**
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* Command-line interface to the jltl2ba LTL->NBA translator.
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*/
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public class Jltl2baCmdLine {
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public int run(String formula, PrintStream output) throws Exception {
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formula = formula.trim();
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SimpleLTL ltl = SimpleLTL.parseFormulaLBT(formula);
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ltl = ltl.simplify();
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NBA nba = ltl.toNBA();
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// nba.print_lbtt(output);
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nba.print_hoa(output);
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return 0;
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}
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public static void main(String[] args) {
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int rv = 0;
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int outfile_pos = 1;
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BufferedReader r = null;
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try {
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String formula;
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if (args.length == 0) {
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usage("");
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}
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if (args[0].equals("--ltl")) {
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if (args.length <= 1)
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usage("Missing formula");
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formula = args[1];
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outfile_pos++;
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} else {
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if (args[0].equals("-")) {
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r = new BufferedReader(new InputStreamReader(System.in));
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} else {
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r = new BufferedReader(new FileReader(args[0]));
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}
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}
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if (outfile_pos >= args.length) {
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usage("Missing output file");
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}
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PrintStream output;
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String outfile = args[outfile_pos];
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if (outfile.equals("-")) {
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output = System.out;
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} else {
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output = new PrintStream(outfile);
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}
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formula = r.readLine();
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r.close();
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Jltl2baCmdLine jltl2ba = new Jltl2baCmdLine();
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rv = jltl2ba.run(formula, output);
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output.close();
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} catch (Exception e) {
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System.err.println(e.toString());
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rv = 1;
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}
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if (rv != 0) {
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System.exit(rv);
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}
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}
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private static void usage(String error)
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{
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if (!error.isEmpty()) {
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System.err.println("Error: " + error);
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System.err.println();
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}
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System.err.println("Usage:");
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System.err.println(" --ltl formula out-file");
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System.err.println(" or");
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System.err.println(" in-file out-file");
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System.err.println("\n Filename of '-' stands for standard input/output");
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System.exit(1);
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}
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}
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