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* src/ltlparse/ltlscan.ll: Allow /, /, and xor, used in LBTT.

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* src/ltltest/parse.test: Test them.
This commit is contained in:
Alexandre Duret-Lutz 2003-07-29 16:28:38 +00:00
parent 60ef421dd5
commit a66ad58b5d
3 changed files with 15 additions and 6 deletions
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13
src/ltlparse/ltlscan.ll
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@ -40,10 +40,12 @@ flex_set_buffer(const char *buf)
")" return PAR_CLOSE;
"!" return OP_NOT;
/* & and | come from Spin. && and || from LTL2BA. */
"||"|"|"|"+" return OP_OR;
"&&"|"&"|"."|"*" return OP_AND;
"^" return OP_XOR;
/* & and | come from Spin. && and || from LTL2BA.
/\, \/, and xor are from LBTT.
*/
"||"|"|"|"+"|"\\/" return OP_OR;
"&&"|"&"|"."|"*"|"/\\" return OP_AND;
"^"|"xor" return OP_XOR;
"=>"|"->" return OP_IMPLIES;
"<=>"|"<->" return OP_EQUIV;
@ -62,7 +64,8 @@ flex_set_buffer(const char *buf)
/* An Atomic proposition cannot start with the letter
used by a unary operator (F,G,X), unless this
letter is followed by a digit in which case we assume
it's an ATOMIC_PROP (even though F0 could be seen as Ffalse). */
it's an ATOMIC_PROP (even though F0 could be seen as Ffalse, we
don't). */
[a-zA-EH-WYZ_][a-zA-Z0-9_]* |
[FGX][0-9_][a-zA-Z0-9_]* {
yylval->str = new std::string(yytext);