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Use [*0] instead of #e, and support [*] in addition to *.

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* src/ltlparse/ltlscan.ll: Recognize [*] as *, and use
[*0] instead of #e for the empty word.
* src/ltlast/binop.cc, src/ltlast/constant.cc,
src/ltlast/multop.cc, src/ltlast/multop.hh, src/ltlast/unop.cc,
src/ltlast/unop.hh, src/ltltest/consterm.test,
src/ltltest/equals.test: Adjust all occurrences of #e to [*0].
* src/tgbatest/ltl2tgba.test: Also use [*].
This commit is contained in:
Alexandre Duret-Lutz 2010-03-09 16:08:38 +01:00
parent 4e7233d9fa
commit 8b8633de8c
10 changed files with 41 additions and 42 deletions
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6
src/ltlparse/ltlscan.ll
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@ -1,7 +1,7 @@
/* Copyright (C) 2010, 2011, Laboratoire de Recherche et Développement de
** l'Epita (LRDE).
** Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
** département Syst�mes R�partis Coop�ratifs (SRC), Université Pierre
** département Systèmes Répartis Coopératifs (SRC), Université Pierre
** et Marie Curie.
**
** This file is part of Spot, a model checking library.
@ -85,7 +85,7 @@ flex_set_buffer(const char* buf, int start_tok)
/* ~ comes from Goal, ! from everybody else */
"!"|"~" BEGIN(0); return token::OP_NOT;
"#e" BEGIN(0); return token::CONST_EMPTYWORD;
"[*0]" BEGIN(0); return token::CONST_EMPTYWORD;
/* & and | come from Spin. && and || from LTL2BA.
/\, \/, and xor are from LBTT.
@ -95,7 +95,7 @@ flex_set_buffer(const char* buf, int start_tok)
"^"|"xor" BEGIN(0); return token::OP_XOR;
"=>"|"->"|"-->" BEGIN(0); return token::OP_IMPLIES;
"<=>"|"<->"|"<-->" BEGIN(0); return token::OP_EQUIV;
"*" BEGIN(0); return token::OP_STAR;
"*"|"[*]" BEGIN(0); return token::OP_STAR;
";" BEGIN(0); return token::OP_CONCAT;
":" BEGIN(0); return token::OP_FUSION;
"[]->" BEGIN(0); return token::OP_UCONCAT;