print error msg when there's a problem

2007-01-19 12:02:06 -07:00
parent 74b27674a8
commit 203946e1f9
1 changed files with 4 additions and 1 deletions
@@ -68,11 +68,14 @@ int main (int argc, char *argv[])
   grammar id;

   id = grammar_load_from_text ((const byte *) slang_shader_syn);
-   if (id == 0)
+   if (id == 0) {
+      fprintf(stderr, "Error loading grammar from text\n");
      return 1;
+   }
   grammar_set_reg8 (id, (const byte *) "parsing_builtin", 1);
   grammar_set_reg8 (id, (const byte *) "shader_type", atoi (argv[1]));
   if (gc_to_bin (id, argv[2], argv[3])) {
+      fprintf(stderr, "Error in gc_to_bin %s %s\n", argv[2], argv[3]);
      grammar_destroy (id);
      return 1;
   }