class_docstr: A DataShape parser object.
class_docstr_tok: ["A","DataShape","parser","object","."]
code: def raise_error(self, errmsg):
      raise error.DataShapeSyntaxError(
          self.tok.span[0], "<nofile>", self.ds_str, errmsg
      )
  
imports: from __future__ import absolute_import, division, print_function
  from .None import lexer, error
  from .None import coretypes
label_desc: Use image node_id 4 for calling the DataShapeParser obj's underlying member method code with example usage: obj.raise_error(errmsg) without return types