typetool

#!/usr/bin/env python2.7
#
# vamos [optoins] <amiga binary> [args ...]
#
# run an m68k AmigaOS binary
#
# written by Christian Vogelgsang (chris@vogelgsang.org)

import sys

from amitools.vamos import AmigaStruct
from amitools.vamos.lib.lexec import ExecStruct
from amitools.vamos.lib.dos import DosStruct
from amitools.vamos.lib.util import UtilStruct

# --- args ---
argc = len(sys.argv)
if argc == 1:
  print """
Usage: 
  typetool <typename>                          # Dump given type
  typetool <typename> <element.path>           # Lookup offset of given element
  typetool <typename> <offset> <byte_width>    # Lookup element at given offset  
"""
  sys.exit(1)

type_name = sys.argv[1]

# --- find type ---
if not AmigaStruct.struct_pool.has_key(type_name):
  print "Can't find type: %s" % type_name
  sys.exit(1)
type_def = AmigaStruct.struct_pool[type_name]

if argc == 2:
  type_def.dump()
elif argc == 3:
  name = sys.argv[2]
  res = type_def.get_offset_for_name(name)
  print "name=%s -> offset=%d width=%s convert=%s" % (name,res[0],res[1],res[2])
elif argc == 4:
  offset = int(sys.argv[2])
  width = int(sys.argv[3])
  res = type_def.get_name_for_offset(offset,width)
  print "offset=%d widht=%d -> name=%s delta=%d type_name=%s" % (offset,width,res[0],res[1],res[2])