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ltlfilt: add a --count option, like autfilt

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* src/bin/common_output.cc, src/bin/common_output.hh:
Add count_output.
* src/bin/ltlfilt.cc: Add the --count option.
* src/ltltest/ltlfilt.test: Test it.
* NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz 2015-02-15 23:13:47 +01:00
parent 1e7c1e5cdd
commit e22a800fe4
5 changed files with 35 additions and 12 deletions
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7
src/bin/common_output.cc
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@ -1,5 +1,5 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2012, 2013, 2014 Laboratoire de Recherche et
// Copyright (C) 2012, 2013, 2014, 2015 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -104,6 +104,7 @@ stream_formula(std::ostream& out,
case latex_output:
spot::ltl::to_latex_string(f, out, full_parenth);
break;
case count_output:
case quiet_output:
break;
}
@ -261,10 +262,10 @@ output_formula_checked(const spot::ltl::formula* f,
const char* filename, int linenum,
const char* prefix, const char* suffix)
{
if (output_format == quiet_output)
if (output_format == quiet_output || output_format == count_output)
return;
output_formula(std::cout, f, filename, linenum, prefix, suffix);
std::cout << std::endl;
std::cout << '\n';
// Make sure we abort if we can't write to std::cout anymore
// (like disk full or broken pipe with SIGPIPE ignored).
check_cout();