?? yyerror.c
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#include <stdio.h>#include <stdlib.h>#include <string.h>#include "yaccdef.h"yyerror(s)char *s;{ yymessage ("Error", s, NULL);}yywarning(s, token)char *s, *token;{ yymessage ("Warning", s, token);}yymessage(error, s, token)char *error, *s, *token;{ fflush (stdout); if (s == NULL) fprintf (stderr, "\nFatal syntax error in line %d\n", line); else if (token == NULL) { if (line) fprintf(stderr, "%s: %s in line %d\n", error, s, line); else fprintf (stderr, "%s: %s", error, s); } else { if (line == 0) fprintf(stderr, "%s: %s \'%s\'\n", error, s, token); else fprintf(stderr, "%s: %s \'%s\' in line %d\n", error, s, token, line); } if (error[0] == 'E') exit (1);}?? 快捷鍵說明
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