4a62224932
* src/ltlparse/ltlscan.ll: Do not recognize `.' as an AND. Allow it in atomic propositions. * src/evtgbaparse/evtgbascan.ll, src/tgbaparse/tgbascan.ll: Accept `.' in identifiers. * src/misc/bareword.cc (is_bareword): Accept `.' inside barewords, so that there is no need to quote `X.Y'. * src/ltltest/parse.test: Do not use `.' as and operator..
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// Copyright (C) 2011 Laboratoire de Recherche et Développement
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// de l'Epita (LRDE).
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// Copyright (C) 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
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// département Systèmes Répartis Coopératifs (SRC), Université Pierre
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// et Marie Curie.
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// 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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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// 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 Spot; see the file COPYING. If not, write to the Free
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// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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// 02111-1307, USA.
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#include "bareword.hh"
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#include <ctype.h>
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#include "escape.hh"
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namespace spot
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{
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bool
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is_bare_word(const char* str)
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{
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// Bare words cannot be empty and should start with a letter.
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if (!*str
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|| !(isalpha(*str) || *str == '_' || *str == '.'))
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return false;
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// The remaining of the word must be alphanumeric.
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while (*++str)
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if (!(isalnum(*str) || *str == '_' || *str == '.'))
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return false;
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return true;
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}
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std::string
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quote_unless_bare_word(const std::string& str)
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{
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if (is_bare_word(str.c_str()))
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return str;
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else
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return "\"" + escape_str(str) + "\"";
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}
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}
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