read_ilang: improve error message for overly long wires.

Fixes #1838.
2020-04-06 10:32:50 +00:00 · 2020-04-06 10:32:50 +00:00 · d22888ce74
parent ca70a1049f
commit d22888ce74
1 changed files with 3 additions and 0 deletions
--- a/frontends/ilang/ilang_parser.y
+++ b/frontends/ilang/ilang_parser.y
@ -179,6 +179,9 @@ wire_options:
 	wire_options TOK_WIDTH TOK_INT {
 		current_wire->width = $3;
 	} |
+	wire_options TOK_WIDTH TOK_INVALID {
+		rtlil_frontend_ilang_yyerror("ilang error: invalid wire width");
+	} |
 	wire_options TOK_UPTO {
 		current_wire->upto = true;
 	} |