better compiler warnings adn errors

2026-02-20 12:40:49 -06:00
parent 54e5be0773
commit 8d449e6fc6
10 changed files with 679 additions and 93 deletions
--- a/parse.cm
+++ b/parse.cm
@@ -1727,6 +1727,13 @@ var parse = function(tokens, src, filename, tokenizer) {
      return null
    }

+    if (kind == "this") {
+      if (scope.function_nr == 0) {
+        sem_error(expr, "'this' cannot be used at the top level of a program")
+      }
+      return null
+    }
+
    if (kind == "[") {
      sem_check_expr(scope, expr.left)
      sem_check_expr(scope, expr.right)