2
  #   ˆl–ß=¿J*C]Šq@‚àEp SÿÄ„pÿÃÂ ?÷     import os, sys, io
from . import ffiplatform, model
from .cffi_opcode import *

VERSION = "0x2601"
VERSION_EMBEDDED = "0x2701"


class GlobalExpr:
    def __init__(self, name, address, type_op, size=0, check_value=0):
        self.name = name
        self.address = address
        self.type_op = type_op
        self.size = size
        self.check_value = check_value

    def as_c_expr(self):
        return '  { "%s", (void *)%s, %s, (void *)%s },' % (
            self.name, self.address, self.type_op.as_c_expr(), self.size)

    def as_python_expr(self):
        return "b'%s%s',%d" % (self.type_op.as_python_bytes(), self.name,
                               self.check_value)

class FieldExpr:
    def __init__(self, name, field_offset, field_size, fbitsize, field_type_op):
        self.name = name
        self.field_offset = field_offset
        self.field_size = field_size
        self.fbitsize = fbitsize
        self.field_type_op = field_type_op

    def as_c_expr(self):
        spaces = " " * len(self.name)
        return ('  { "%s", %s,\n' % (self.name, self.field_offset) +
                '     %s   %s,\n' % (spaces, self.field_size) +
                '     %s   %s },' % (spaces, self.field_type_op.as_c_expr()))

    def as_python_expr(self):
        raise NotImplementedError

    def as_field_python_expr(self):
        if self.field_type_op.op == OP_NOOP:
            size_expr = ''
        elif self.field_type_op.op == OP_BITFIELD:
            size_expr = format_four_bytes(self.fbitsize)
        else:
            raise NotImplementedError
        return "b'%s%s%s'" % (self.field_type_op.as_python_bytes(),
                              size_expr,
                              self.name)

class StructUnionExpr:
    def __init__(self, name, type_index, flags, size, alignment, comment,
                 first_field_index, c_fields):
        self.name = name
        self.type_index = type_index
        self.flags = flags
        self.size = size
        self.alignment = alignment
        self.comment = comment
        self.first_field_index = first_field_index
        self.c_fields = c_fields

    def as_c_expr(self):
        return ('  { "%s", %d, %s,' % (self.name, self.type_index, self.flags)
                + '\n    %s, %s, ' % (self.size, self.alignment)
                + '%d, %d ' % (self.first_field_index, len(self.c_fields))
                + ('/* %s */ ' % self.comment if self.comment else '')
                + '},')

    def as_python_expr(self):
        flags = eval(self.flags, G_FLAGS)
        fields_expr = [c_field.as_field_python_expr()
                       for c_field in self.c_fields]
        return "(b'%s%s%s',%s)" % (
            format_four_bytes(self.type_index),
            format_four_bytes(flags),
            self.name,
            ','.join(fields_expr))

class EnumExpr:
    def __init__(self, name, type_index, size, signed, allenums):
        self.name = name
        self.type_index = type_index
        self.size = size
        self.signed = signed
        self.allenums = allenums

    def as_c_expr(self):
        return ('  { "%s", %d, _cffi_prim_int(%s, %s),\n'
                '    "%s" },' % (self.name, self.type_index,
                                 self.size, self.signed, self.allenums))

    def as_python_expr(self):
        prim_index = {
            (1, 0): PRIM_UINT8,  (1, 1):  PRIM_INT8,
            (2, 0): PRIM_UINT16, (2, 1):  PRIM_INT16,
            (4, 0): PRIM_UINT32, (4, 1):  PRIM_INT32,
            (8, 0): PRIM_UINT64, (8, 1):  PRIM_INT64,
            }[self.size, self.signed]
        return "b'%s%s%s\\x00%s'" % (format_four_bytes(self.type_index),
                                     format_four_bytes(prim_index),
                                     self.name, self.allenums)

class TypenameExpr:
    def __init__(self, name, type_index):
        self.name = name
        self.type_index = type_index

    def as_c_expr(self):
        return '  { "%s", %d },' % (self.name, self.type_index)

    def as_python_expr(self):