5 #define YYERROR_VERBOSE 1
15 %token <s> IDENTIFIER STRING
41 property_value: qid '=' value
51 | graph property_value
55 | id '.' '(' graph ')'
58 connection: lconnection
63 lconnection: qid '+' '!'
66 rconnection: '!' '+' qid
70 | qid '+' bconnection '+' qid
78 yyerror (const char *s)
80 printf ("error: %s\n", s);
84 int main (int argc, char **argv)
86 ++argv, --argc; /* skip over program name */
88 yyin = fopen (argv[0], "r");