def _cffi_call_python(ll_externpy, ll_args):
"""Invoked by the helpers generated from extern "Python" in the cdef.
'externpy' is a static structure that describes which of the
extern "Python" functions is called. It has got fields 'name' and
'type_index' describing the function, and more reserved fields
that are initially zero. These reserved fields are set up by
ffi.def_extern(), which invokes externpy_deco() below.
'args' is a pointer to an array of 8-byte entries. Each entry
contains an argument. If an argument is less than 8 bytes, only
the part at the beginning of the entry is initialized. If an
argument is 'long double' or a struct/union, then it is passed
by reference.
'args' is also used as the place to write the result to
(directly, even if more than 8 bytes). In all cases, 'args' is
at least 8 bytes in size.
"""
from pypy.module._cffi_backend.ccallback import reveal_callback
from rpython.rlib import rgil
rgil.acquire()
rffi.stackcounter.stacks_counter += 1
llop.gc_stack_bottom(lltype.Void) # marker for trackgcroot.py
cerrno._errno_after(rffi.RFFI_ERR_ALL | rffi.RFFI_ALT_ERRNO)
if not ll_externpy.c_reserved1:
# Not initialized! We don't have a space at all.
# Write the error to the file descriptor stderr.
try:
funcname = rffi.charp2str(ll_externpy.c_name)
msg = (
'extern "Python": function %s() called, but no code was '
"attached to it yet with @ffi.def_extern(). "
"Returning 0.\n" % (funcname,)
)
os.write(STDERR, msg)
except:
pass
for i in range(intmask(ll_externpy.c_size_of_result)):
ll_args[i] = "\x00"
else:
externpython = reveal_callback(ll_externpy.c_reserved1)
# the same buffer is used both for passing arguments and
# the result value
externpython.invoke(ll_args, ll_args)
cerrno._errno_before(rffi.RFFI_ERR_ALL | rffi.RFFI_ALT_ERRNO)
rffi.stackcounter.stacks_counter -= 1
rgil.release()
def _cffi_call_python(ll_externpy, ll_args):
"""Invoked by the helpers generated from extern "Python" in the cdef.
'externpy' is a static structure that describes which of the
extern "Python" functions is called. It has got fields 'name' and
'type_index' describing the function, and more reserved fields
that are initially zero. These reserved fields are set up by
ffi.def_extern(), which invokes externpy_deco() below.
'args' is a pointer to an array of 8-byte entries. Each entry
contains an argument. If an argument is less than 8 bytes, only
the part at the beginning of the entry is initialized. If an
argument is 'long double' or a struct/union, then it is passed
by reference.
'args' is also used as the place to write the result to
(directly, even if more than 8 bytes). In all cases, 'args' is
at least 8 bytes in size.
"""
from pypy.module._cffi_backend.ccallback import reveal_callback
from rpython.rlib import rgil
rgil.acquire()
rffi.stackcounter.stacks_counter += 1
llop.gc_stack_bottom(lltype.Void) # marker for trackgcroot.py
cerrno._errno_after(rffi.RFFI_ERR_ALL | rffi.RFFI_ALT_ERRNO)
if not ll_externpy.c_reserved1:
# Not initialized! We don't have a space at all.
# Write the error to the file descriptor stderr.
try:
funcname = rffi.charp2str(ll_externpy.c_name)
msg = ("extern \"Python\": function %s() called, but no code was "
"attached to it yet with @ffi.def_extern(). "
"Returning 0.\n" % (funcname,))
os.write(STDERR, msg)
except:
pass
for i in range(intmask(ll_externpy.c_size_of_result)):
ll_args[i] = '\x00'
else:
externpython = reveal_callback(ll_externpy.c_reserved1)
# the same buffer is used both for passing arguments and
# the result value
externpython.invoke(ll_args, ll_args)
cerrno._errno_before(rffi.RFFI_ERR_ALL | rffi.RFFI_ALT_ERRNO)
rffi.stackcounter.stacks_counter -= 1
rgil.release()
def _new_runfn(h, _):
# Here, we are in a fresh new stacklet.
llop.gc_stack_bottom(lltype.Void) # marker for trackgcroot.py
#
# There is a fresh suspstack object waiting on the gcrootfinder,
# so populate it with data that represents the parent suspended
# stacklet and detach the suspstack object from gcrootfinder.
suspstack = gcrootfinder.attach_handle_on_suspstack(h)
#
# Call the main function provided by the (RPython) user.
suspstack = gcrootfinder.runfn(suspstack, gcrootfinder.arg)
#
# Here, suspstack points to the target stacklet to which we want
# to jump to next. Read the 'handle' and forget about the
# suspstack object.
return _consume_suspstack(suspstack)
def _new_runfn(h, _):
# Here, we are in a fresh new stacklet.
llop.gc_stack_bottom(lltype.Void) # marker for trackgcroot.py
#
# There is a fresh suspstack object waiting on the gcrootfinder,
# so populate it with data that represents the parent suspended
# stacklet and detach the suspstack object from gcrootfinder.
suspstack = gcrootfinder.attach_handle_on_suspstack(h)
#
# Call the main function provided by the (RPython) user.
suspstack = gcrootfinder.runfn(suspstack, gcrootfinder.arg)
#
# Here, suspstack points to the target stacklet to which we want
# to jump to next. Read the 'handle' and forget about the
# suspstack object.
return _consume_suspstack(suspstack)
def wrapper(*args):
from pypy.module.cpyext.pyobject import make_ref, from_ref
from pypy.module.cpyext.pyobject import Reference
# we hope that malloc removal removes the newtuple() that is
# inserted exactly here by the varargs specializer
if gil_acquire:
after = rffi.aroundstate.after
if after:
after()
rffi.stackcounter.stacks_counter += 1
llop.gc_stack_bottom(lltype.Void) # marker for trackgcroot.py
retval = fatal_value
boxed_args = ()
try:
if not we_are_translated() and DEBUG_WRAPPER:
print >>sys.stderr, callable,
assert len(args) == len(callable.api_func.argtypes)
for i, (typ, is_wrapped) in argtypes_enum_ui:
arg = args[i]
if is_PyObject(typ) and is_wrapped:
if arg:
arg_conv = from_ref(space, rffi.cast(PyObject, arg))
else:
arg_conv = None
else:
arg_conv = arg
boxed_args += (arg_conv, )
state = space.fromcache(State)
try:
result = callable(space, *boxed_args)
if not we_are_translated() and DEBUG_WRAPPER:
print >>sys.stderr, " DONE"
except OperationError, e:
failed = True
state.set_exception(e)
except BaseException, e:
failed = True
if not we_are_translated():
message = repr(e)
import traceback
traceback.print_exc()
else:
message = str(e)
state.set_exception(OperationError(space.w_SystemError,
space.wrap(message)))
def wrapper(*args):
from pypy.module.cpyext.pyobject import make_ref, from_ref
from pypy.module.cpyext.pyobject import Reference
# we hope that malloc removal removes the newtuple() that is
# inserted exactly here by the varargs specializer
rffi.stackcounter.stacks_counter += 1
llop.gc_stack_bottom(lltype.Void) # marker for trackgcroot.py
retval = fatal_value
boxed_args = ()
try:
if not we_are_translated() and DEBUG_WRAPPER:
print >>sys.stderr, callable,
assert len(args) == len(callable.api_func.argtypes)
for i, (typ, is_wrapped) in argtypes_enum_ui:
arg = args[i]
if is_PyObject(typ) and is_wrapped:
if arg:
arg_conv = from_ref(space, rffi.cast(PyObject, arg))
else:
arg_conv = None
else:
arg_conv = arg
boxed_args += (arg_conv, )
state = space.fromcache(State)
try:
result = callable(space, *boxed_args)
if not we_are_translated() and DEBUG_WRAPPER:
print >>sys.stderr, " DONE"
except OperationError, e:
failed = True
state.set_exception(e)
except BaseException, e:
failed = True
if not we_are_translated():
message = repr(e)
import traceback
traceback.print_exc()
else:
message = str(e)
state.set_exception(OperationError(space.w_SystemError,
space.wrap(message)))
