def build_result(self, info, config_result):
if self.ifdef is not None:
if not info['defined']:
return None
layout = [None] * info['size']
for fieldname, fieldtype in self.interesting_fields:
if isinstance(fieldtype, Struct):
offset = info['fldofs ' + fieldname]
size = info['fldsize ' + fieldname]
c_fieldtype = config_result.get_entry_result(fieldtype)
layout_addfield(layout, offset, c_fieldtype, fieldname)
else:
offset = info['fldofs ' + fieldname]
size = info['fldsize ' + fieldname]
sign = info.get('fldunsigned ' + fieldname, False)
if (size, sign) != rffi.size_and_sign(fieldtype):
fieldtype = fixup_ctype(fieldtype, fieldname, (size, sign))
layout_addfield(layout, offset, fieldtype, fieldname)
n = 0
padfields = []
for i, cell in enumerate(layout):
if cell is not None:
continue
name = '_pad%d' % (n, )
layout_addfield(layout, i, rffi.UCHAR, name)
padfields.append('c_' + name)
n += 1
# build the lltype Structure
seen = {}
fields = []
fieldoffsets = []
for offset, cell in enumerate(layout):
if cell in seen:
continue
fields.append((cell.name, cell.ctype))
fieldoffsets.append(offset)
seen[cell] = True
allfields = tuple(['c_' + name for name, _ in fields])
padfields = tuple(padfields)
name = self.name
eci = config_result.CConfig._compilation_info_
padding_drop = PaddingDrop(name, allfields, padfields, eci)
hints = {
'align': info['align'],
'size': info['size'],
'fieldoffsets': tuple(fieldoffsets),
'padding': padfields,
'get_padding_drop': padding_drop,
'eci': eci
}
if name.startswith('struct '):
name = name[7:]
else:
hints['typedef'] = True
kwds = {'hints': hints}
return rffi.CStruct(name, *fields, **kwds)
def build_result(self, info, config_result):
if self.ifdef is not None:
if not info['defined']:
return None
layout = [None] * info['size']
for fieldname, fieldtype in self.interesting_fields:
if isinstance(fieldtype, Struct):
offset = info['fldofs ' + fieldname]
size = info['fldsize ' + fieldname]
c_fieldtype = config_result.get_entry_result(fieldtype)
layout_addfield(layout, offset, c_fieldtype, fieldname)
else:
offset = info['fldofs ' + fieldname]
size = info['fldsize ' + fieldname]
sign = info.get('fldunsigned ' + fieldname, False)
if is_array_nolength(fieldtype):
pass # ignore size and sign
elif (size, sign) != rffi.size_and_sign(fieldtype):
fieldtype = fixup_ctype(fieldtype, fieldname, (size, sign))
layout_addfield(layout, offset, fieldtype, fieldname)
n = 0
padfields = []
for i, cell in enumerate(layout):
if cell is not None:
continue
name = '_pad%d' % (n,)
layout_addfield(layout, i, rffi.UCHAR, name)
padfields.append('c_' + name)
n += 1
# build the lltype Structure
seen = {}
fields = []
fieldoffsets = []
for offset, cell in enumerate(layout):
if cell in seen:
continue
fields.append((cell.name, cell.ctype))
fieldoffsets.append(offset)
seen[cell] = True
allfields = tuple(['c_' + name for name, _ in fields])
padfields = tuple(padfields)
name = self.name
eci = config_result.CConfig._compilation_info_
padding_drop = PaddingDrop(name, allfields, padfields, eci)
hints = {'align': info['align'],
'size': info['size'],
'fieldoffsets': tuple(fieldoffsets),
'padding': padfields,
'get_padding_drop': padding_drop,
'eci': eci}
if name.startswith('struct '):
name = name[7:]
else:
hints['typedef'] = True
kwds = {'hints': hints, 'adtmeths': self.adtmeths}
return rffi.CStruct(name, *fields, **kwds)
def build_result(self, info, config_result):
if self.ifdef is not None and not info['defined']:
return None
size = info['size']
sign = info.get('unsigned', False)
ctype = self.ctype_hint
if (size, sign) != rffi.size_and_sign(ctype):
ctype = fixup_ctype(ctype, self.name, (size, sign))
return ctype
def build_result(self, info, config_result):
if self.ifdef is not None and not info['defined']:
return None
size = info['size']
sign = info.get('unsigned', False)
ctype = self.ctype_hint
if (size, sign) != rffi.size_and_sign(ctype):
ctype = fixup_ctype(ctype, self.name, (size, sign))
return ctype
def fixup_ctype(fieldtype, fieldname, expected_size_and_sign):
for typeclass in [integer_class, float_class]:
if fieldtype in typeclass:
for ctype in typeclass:
if rffi.size_and_sign(ctype) == expected_size_and_sign:
return ctype
if isinstance(fieldtype, lltype.FixedSizeArray):
size, _ = expected_size_and_sign
return lltype.FixedSizeArray(fieldtype.OF, size / _sizeof(fieldtype.OF))
raise TypeError("conflict between translating python and compiler field" " type %r for %r" % (fieldtype, fieldname))
def fixup_ctype(fieldtype, fieldname, expected_size_and_sign):
for typeclass in [integer_class, float_class]:
if fieldtype in typeclass:
for ctype in typeclass:
if rffi.size_and_sign(ctype) == expected_size_and_sign:
return ctype
if isinstance(fieldtype, lltype.FixedSizeArray):
size, _ = expected_size_and_sign
return lltype.FixedSizeArray(fieldtype.OF, size/_sizeof(fieldtype.OF))
raise TypeError("conflict between translating python and compiler field"
" type %r for %r" % (fieldtype, fieldname))
def build_result(self, info, config_result):
if self.ifdef is not None:
if not info["defined"]:
return None
layout = [None] * info["size"]
for fieldname, fieldtype in self.interesting_fields:
if isinstance(fieldtype, Struct):
offset = info["fldofs " + fieldname]
size = info["fldsize " + fieldname]
c_fieldtype = config_result.get_entry_result(fieldtype)
layout_addfield(layout, offset, c_fieldtype, fieldname)
else:
offset = info["fldofs " + fieldname]
size = info["fldsize " + fieldname]
sign = info.get("fldunsigned " + fieldname, False)
if is_array_nolength(fieldtype):
pass # ignore size and sign
elif (size, sign) != rffi.size_and_sign(fieldtype):
fieldtype = fixup_ctype(fieldtype, fieldname, (size, sign))
layout_addfield(layout, offset, fieldtype, fieldname)
n = 0
padfields = []
for i, cell in enumerate(layout):
if cell is not None:
continue
name = "_pad%d" % (n,)
layout_addfield(layout, i, rffi.UCHAR, name)
padfields.append("c_" + name)
n += 1
# build the lltype Structure
seen = {}
fields = []
fieldoffsets = []
for offset, cell in enumerate(layout):
if cell in seen:
continue
fields.append((cell.name, cell.ctype))
fieldoffsets.append(offset)
seen[cell] = True
allfields = tuple(["c_" + name for name, _ in fields])
padfields = tuple(padfields)
name = self.name
eci = config_result.CConfig._compilation_info_
padding_drop = PaddingDrop(name, allfields, padfields, eci)
hints = {
"align": info["align"],
"size": info["size"],
"fieldoffsets": tuple(fieldoffsets),
"padding": padfields,
"get_padding_drop": padding_drop,
"eci": eci,
}
if name.startswith("struct "):
name = name[7:]
else:
hints["typedef"] = True
kwds = {"hints": hints, "adtmeths": self.adtmeths}
return rffi.CStruct(name, *fields, **kwds)
