def parse_string_to_type(self, string, consider_fn_as_fnptr):
# This cannot be made @elidable because it calls general space
# functions (indirectly, e.g. via the new_xxx_type() functions).
# The get_string_to_type() function above is elidable, and we
# hope that in almost all cases, get_string_to_type() has already
# found an answer.
try:
x = self.types_dict[string]
except KeyError:
info = self.ctxobj.info
index = parse_c_type.parse_c_type(info, string)
if index < 0:
raise self._ffi_bad_type(string)
x = realize_c_type.realize_c_type_or_func(
self, self.ctxobj.info.c_output, index)
assert x is not None
if isinstance(x, realize_c_type.W_RawFuncType):
x.unwrap_as_fnptr(self) # force it here
self.types_dict[string] = x
#
if isinstance(x, W_CType):
return x
else:
assert isinstance(x, realize_c_type.W_RawFuncType)
if consider_fn_as_fnptr:
return x.unwrap_as_fnptr_in_elidable()
else:
raise x.unexpected_fn_type(self)
def parse(input):
OUTPUT_SIZE = 100
out = lltype.malloc(rffi.VOIDPP.TO, OUTPUT_SIZE, flavor='raw',
track_allocation=False)
info = lltype.malloc(parse_c_type.PINFO.TO, flavor='raw', zero=True,
track_allocation=False)
info.c_ctx = ctx
info.c_output = out
rffi.setintfield(info, 'c_output_size', OUTPUT_SIZE)
for j in range(OUTPUT_SIZE):
out[j] = rffi.cast(rffi.VOIDP, -424242)
res = parse_c_type.parse_c_type(info, input.encode('ascii'))
if res < 0:
raise ParseError(rffi.charp2str(info.c_error_message).decode('ascii'),
rffi.getintfield(info, 'c_error_location'))
assert 0 <= res < OUTPUT_SIZE
result = []
for j in range(OUTPUT_SIZE):
if out[j] == rffi.cast(rffi.VOIDP, -424242):
assert res < j
break
i = rffi.cast(rffi.SIGNED, out[j])
if j == res:
result.append('->')
result.append(i)
return result
def parse(input):
OUTPUT_SIZE = 100
out = lltype.malloc(rffi.VOIDPP.TO,
OUTPUT_SIZE,
flavor='raw',
track_allocation=False)
info = lltype.malloc(parse_c_type.PINFO.TO,
flavor='raw',
zero=True,
track_allocation=False)
info.c_ctx = ctx
info.c_output = out
rffi.setintfield(info, 'c_output_size', OUTPUT_SIZE)
for j in range(OUTPUT_SIZE):
out[j] = rffi.cast(rffi.VOIDP, -424242)
res = parse_c_type.parse_c_type(info, input.encode('ascii'))
if res < 0:
raise ParseError(
rffi.charp2str(info.c_error_message).decode('ascii'),
rffi.getintfield(info, 'c_error_location'))
assert 0 <= res < OUTPUT_SIZE
result = []
for j in range(OUTPUT_SIZE):
if out[j] == rffi.cast(rffi.VOIDP, -424242):
assert res < j
break
i = rffi.cast(rffi.SIGNED, out[j])
if j == res:
result.append('->')
result.append(i)
return result
def parse_string_to_type(self, string, consider_fn_as_fnptr):
# This cannot be made @elidable because it calls general space
# functions (indirectly, e.g. via the new_xxx_type() functions).
# The get_string_to_type() function above is elidable, and we
# hope that in almost all cases, get_string_to_type() has already
# found an answer.
try:
x = self.types_dict[string]
except KeyError:
info = self.ctxobj.info
index = parse_c_type.parse_c_type(info, string)
if index < 0:
num_spaces = rffi.getintfield(info, 'c_error_location')
raise oefmt(self.w_FFIError, "%s\n%s\n%s^",
rffi.charp2str(info.c_error_message),
string,
" " * num_spaces)
x = realize_c_type.realize_c_type_or_func(
self, self.ctxobj.info.c_output, index)
assert x is not None
if isinstance(x, realize_c_type.W_RawFuncType):
x.unwrap_as_fnptr(self) # force it here
self.types_dict[string] = x
#
if isinstance(x, W_CType):
return x
else:
assert isinstance(x, realize_c_type.W_RawFuncType)
if consider_fn_as_fnptr:
return x.unwrap_as_fnptr_in_elidable()
else:
raise x.unexpected_fn_type(self)
