Merge pull request #379 from s-hadinger/lexer_no_terminated_comment

Error message for unterminated comments
berry-lang · Nov 13, 2023 · 234af61 · 234af61
2 parents 8fcd2e6 + 224b3ca
commit 234af61
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/be_lexer.c b/src/be_lexer.c
@@ -260,6 +260,7 @@ static void skip_comment(blexer *lexer)
 {
  next(lexer); /* skip '#' */
  if (lgetc(lexer) == '-') { /* mult-line comment */
+ int lno = lexer->linenumber;
  int mark, c = 'x'; /* skip first '-' (#- ... -#) */
  do {
  mark = c == '-';
@@ -269,6 +270,9 @@ static void skip_comment(blexer *lexer)
  }
  c = next(lexer);
  } while (!(mark && c == '#') && c != EOS);
+ if (c == EOS) {
+ be_lexerror(lexer, be_pushfstring(lexer->vm, "unterminated comment block started in line %d", lno));
+ }
  next(lexer); /* skip '#' */
  } else { /* line comment */
  while (!is_newline(lgetc(lexer)) && lgetc(lexer)) {