Attach span IDs to ExtGlobPart. Fixes a few crashes.

core/word.py

@@ -151,8 +151,14 @@ def LeftMostSpanForPart(part):
    # begin, end
    return part.spids[0]

  elif part.tag == word_part_e.ExtGlobPart:
    # This is the smae as part.op.span_id, but we want to be consistent with
    # left/right.  Not sure I want to add a right token just for the spid.
    return part.spids[0]
    #return part.op.span_id  # e.g. @( is the left-most token

  else:
    raise AssertionError(part.tag)
    raise AssertionError(part.__class__.__name__)


def _RightMostSpanForPart(part):
@@ -202,6 +208,9 @@ def _RightMostSpanForPart(part):
  elif part.tag == word_part_e.ArithSubPart:
    return -1

  elif part.tag == word_part_e.ExtGlobPart:
    return part.spids[1]

  else:
    raise AssertionError(part.tag)

osh/word_parse.py

@@ -574,7 +574,8 @@ def _ReadExtGlobPart(self):
    """
    left_token = self.cur_token
    arms = []
    #log('left %r', left_token)
    part = ast.ExtGlobPart(left_token, arms)  # return value
    part.spids.append(left_token.span_id)

    self.lexer.PushHint(Id.Op_RParen, Id.Right_ExtGlob)
    self._Next(LexMode.EXTGLOB)  # advance past LEFT
@@ -588,6 +589,7 @@ def _ReadExtGlobPart(self):
      if self.token_type == Id.Right_ExtGlob:
        if not read_word:
          arms.append(ast.CompoundWord())
        part.spids.append(self.cur_token.span_id)
        break

      elif self.token_type == Id.Op_Pipe:
@@ -611,7 +613,6 @@ def _ReadExtGlobPart(self):
      else:
        raise AssertionError('Unexpected token %r' % self.cur_token)

    part = ast.ExtGlobPart(left_token, arms)
    return part

  def _ReadDoubleQuotedPart(self, eof_type=Id.Undefined_Tok, here_doc=False):