Fix column numbers indexing

SyntaxError expects 1-indexed column numbers, but tokens are 0-indexed. Fixes we-like-parsers#47
edemaine · Oct 4, 2021 · 80d2e48 · 80d2e48
1 parent c1bb94a
commit 80d2e48
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/data/python.gram b/data/python.gram
@@ -303,9 +303,9 @@ class Parser(Parser):
  self._tokenizer.get_lines(list(range(start[0], end[0] + 1)))
  )
 
- args = (self.filename, start[0], start[1], line)
+ args = (self.filename, start[0], start[1]+1, line)
  if sys.version_info >= (3, 10):
- args += (end[0], end[1])
+ args += (end[0], end[1]+1)
  self._exception = SyntaxError(message, args)
 
  def store_syntax_error(self, message: str) -> None: