Fix out of bounds access in complete.d when there is no paren. (#754)

dlang-community · Sep 30, 2023 · dc11cf7 · dc11cf7
1 parent 8a69395
commit dc11cf7
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/dcd/server/autocomplete/complete.d b/src/dcd/server/autocomplete/complete.d
@@ -361,7 +361,12 @@ CalltipHint getCalltipHint(T)(T beforeTokens, out size_t parenIndex)
  // evaluate at comma case
  if (beforeTokens.isComma)
  {
- parenIndex = beforeTokens.goBackToOpenParen;
+ size_t tmp = beforeTokens.goBackToOpenParen;
+ if(tmp == size_t.max){
+ return CalltipHint.regularArguments;
+ }
+ parenIndex = tmp;
+
  // check if we are actually a "!("
  if (beforeTokens[0 .. parenIndex].isTemplateBangParen)
  {