diff options
Diffstat (limited to 'lib/command_parse.y')
| -rw-r--r-- | lib/command_parse.y | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/command_parse.y b/lib/command_parse.y index cf87ca1042..01fc01d302 100644 --- a/lib/command_parse.y +++ b/lib/command_parse.y @@ -310,6 +310,11 @@ option_token: void yyerror(char const *message) { // fail on bad parse fprintf(stderr, "Grammar error: %s\n", message); + fprintf(stderr, "Token on error: "); + if (yylval.string) fprintf(stderr, "%s\n", yylval.string); + else if (yylval.node) fprintf(stderr, "%s\n", yylval.node->text); + else fprintf(stderr, "%d\n", yylval.integer); + } struct graph_node * |