class_docstr: Class to parse header files.
  
  It can deal with gl2.h and webgl.idl,
  as well as some desktop OpenGL header files. It produces a list of
  ConstantDefinition objects and FunctionDefinition objects, which can
  be accessed via a dict.
class_docstr_tok: ["Class","to","parse","header","files",".","It","can","deal","with","gl2.h","and","webgl.idl",",","as","well","as","some","desktop","OpenGL","header","files",".","It","produces","a","list","of","ConstantDefinition","objects","and","FunctionDefinition","objects",",","which","can","be","accessed","via","a","dict","."]
code: def show_groups(self):
      for d in self._functionDefs:
          if isinstance(d.group, list):
              print(d.keyname)
              for d2 in d.group:
                  print("  ", d2.glname)
  
imports: import os
label_desc: Use image node_id 10 for calling the Parser obj's underlying member method code with example usage: obj.show_groups() without return types