Add check for missing parameter of the -e/--export-var option.

14 years ago · 957b96c1b5
parent 8f005c027b
commit 957b96c1b5
1 changed files with 3 additions and 0 deletions
--- a/bin/pegjs
+++ b/bin/pegjs
@ -70,6 +70,9 @@ while (args.length > 0 && isOption(args[0])) {
    case "-e":
    case "--export-var":
      nextArg();
+      if (args.length === 0) {
+        abort("Missing parameter of the -e/--export-var option.");
+      }
      exportVar = args[0];
      break;