def descr__setstate__(self, space, w_args):
from pypy.module._pickle_support import maker # helper fns
from pypy.interpreter.pycode import PyCode
from pypy.interpreter.module import Module
args_w = space.unpackiterable(w_args)
w_f_back, w_builtin, w_pycode, w_valuestack, w_blockstack, w_exc_value, w_tb, w_globals, w_last_instr, w_finished, w_f_lineno, w_fastlocals, w_f_locals, w_f_trace, w_instr_lb, w_instr_ub, w_instr_prev, w_cells = (
args_w
)
new_frame = self
pycode = space.interp_w(PyCode, w_pycode)
if space.is_w(w_cells, space.w_None):
closure = None
cellvars = []
else:
from pypy.interpreter.nestedscope import Cell
cells_w = space.unpackiterable(w_cells)
cells = [space.interp_w(Cell, w_cell) for w_cell in cells_w]
ncellvars = len(pycode.co_cellvars)
cellvars = cells[:ncellvars]
closure = cells[ncellvars:]
# do not use the instance's __init__ but the base's, because we set
# everything like cells from here
PyFrame.__init__(self, space, pycode, w_globals, closure)
f_back = space.interp_w(PyFrame, w_f_back, can_be_None=True)
new_frame.f_backref = jit.non_virtual_ref(f_back)
new_frame.builtin = space.interp_w(Module, w_builtin)
new_frame.set_blocklist([unpickle_block(space, w_blk) for w_blk in space.unpackiterable(w_blockstack)])
values_w = maker.slp_from_tuple_with_nulls(space, w_valuestack)
for w_value in values_w:
new_frame.pushvalue(w_value)
if space.is_w(w_exc_value, space.w_None):
new_frame.last_exception = None
else:
from pypy.interpreter.pytraceback import PyTraceback
tb = space.interp_w(PyTraceback, w_tb)
new_frame.last_exception = OperationError(space.type(w_exc_value), w_exc_value, tb)
new_frame.last_instr = space.int_w(w_last_instr)
new_frame.frame_finished_execution = space.is_true(w_finished)
new_frame.f_lineno = space.int_w(w_f_lineno)
new_frame.fastlocals_w = maker.slp_from_tuple_with_nulls(space, w_fastlocals)
if space.is_w(w_f_trace, space.w_None):
new_frame.w_f_trace = None
else:
new_frame.w_f_trace = w_f_trace
new_frame.instr_lb = space.int_w(w_instr_lb) # the three for tracing
new_frame.instr_ub = space.int_w(w_instr_ub)
new_frame.instr_prev = space.int_w(w_instr_prev)
self._setcellvars(cellvars)
# XXX what if the frame is in another thread??
space.frame_trace_action.fire()
def enter(self, ec):
ec.topframeref = jit.non_virtual_ref(self.topframe)
ec.w_tracefunc = self.w_tracefunc
ec.profilefunc = self.profilefunc
ec.w_profilefuncarg = self.w_profilefuncarg
ec.is_tracing = self.is_tracing
ec.space.frame_trace_action.fire()
def resume_frame(space, w_frame):
from pypy.interpreter.pyframe import PyFrame
frame = space.interp_w(PyFrame, w_frame, can_be_None=True)
w_result = space.w_None
operr = None
executioncontext = frame.space.getexecutioncontext()
while frame is not None:
code = frame.pycode.co_code
instr = frame.last_instr
opcode = ord(code[instr])
map = pythonopcode.opmap
call_ops = [map['CALL_FUNCTION'], map['CALL_FUNCTION_KW'], map['CALL_FUNCTION_VAR'],
map['CALL_FUNCTION_VAR_KW'], map['CALL_METHOD']]
assert opcode in call_ops
instr += 1
oparg = ord(code[instr]) | ord(code[instr + 1]) << 8
nargs = oparg & 0xff
nkwds = (oparg >> 8) & 0xff
if nkwds == 0: # only positional arguments
# fast paths leaves things on the stack, pop them
if space.config.objspace.opcodes.CALL_METHOD and opcode == map['CALL_METHOD']:
frame.dropvalues(nargs + 2)
elif opcode == map['CALL_FUNCTION']:
frame.dropvalues(nargs + 1)
# small hack: unlink frame out of the execution context, because
# execute_frame will add it there again
executioncontext.topframeref = jit.non_virtual_ref(frame.f_backref())
frame.last_instr = instr + 1 # continue after the call
try:
w_result = frame.execute_frame(w_result, operr)
except OperationError, operr:
pass
frame = frame.f_backref()
def f(n):
res1 = -42
while n > 0:
myjitdriver.jit_merge_point(n=n, res1=res1)
x = X()
res1 = residual(non_virtual_ref(x))
n -= 1
return res1
def f(n):
res1 = -42
while n > 0:
myjitdriver.jit_merge_point(n=n, res1=res1)
x = X()
res1 = residual(non_virtual_ref(x))
n -= 1
return res1
def enter(self, ec):
ec.topframeref = jit.non_virtual_ref(self.topframe)
ec.framestackdepth = self.framestackdepth
ec.w_tracefunc = self.w_tracefunc
ec.profilefunc = self.profilefunc
ec.w_profilefuncarg = self.w_profilefuncarg
ec.is_tracing = self.is_tracing
ec.space.frame_trace_action.fire()
def build_flow(self):
if self.is_generator:
self.produce_generator_mark()
while self.pendingblocks:
block = self.pendingblocks.popleft()
frame = self.create_frame()
try:
self.recorder = block.patchframe(frame)
except StopFlowing:
continue # restarting a dead SpamBlock
try:
old_frameref = self.topframeref
self.topframeref = jit.non_virtual_ref(frame)
self.crnt_frame = frame
try:
frame.frame_finished_execution = False
while True:
w_result = frame.dispatch(frame.pycode,
frame.last_instr, self)
if frame.frame_finished_execution:
break
else:
self.generate_yield(frame, w_result)
finally:
self.crnt_frame = None
self.topframeref = old_frameref
except operation.OperationThatShouldNotBePropagatedError, e:
raise Exception(
'found an operation that always raises %s: %s' %
(self.space.unwrap(e.w_type).__name__,
self.space.unwrap(e.get_w_value(self.space))))
except operation.ImplicitOperationError, e:
if isinstance(e.w_type, Constant):
exc_cls = e.w_type.value
else:
exc_cls = Exception
msg = "implicit %s shouldn't occur" % exc_cls.__name__
w_type = Constant(AssertionError)
w_value = Constant(AssertionError(msg))
link = self.make_link([w_type, w_value],
self.graph.exceptblock)
self.recorder.crnt_block.closeblock(link)
def build_flow(self):
if self.is_generator:
self.produce_generator_mark()
while self.pendingblocks:
block = self.pendingblocks.popleft()
frame = self.create_frame()
try:
self.recorder = block.patchframe(frame)
except StopFlowing:
continue # restarting a dead SpamBlock
try:
old_frameref = self.topframeref
self.topframeref = jit.non_virtual_ref(frame)
self.crnt_frame = frame
try:
frame.frame_finished_execution = False
while True:
w_result = frame.dispatch(frame.pycode,
frame.last_instr,
self)
if frame.frame_finished_execution:
break
else:
self.generate_yield(frame, w_result)
finally:
self.crnt_frame = None
self.topframeref = old_frameref
except operation.OperationThatShouldNotBePropagatedError, e:
raise Exception(
'found an operation that always raises %s: %s' % (
self.space.unwrap(e.w_type).__name__,
self.space.unwrap(e.get_w_value(self.space))))
except operation.ImplicitOperationError, e:
if isinstance(e.w_type, Constant):
exc_cls = e.w_type.value
else:
exc_cls = Exception
msg = "implicit %s shouldn't occur" % exc_cls.__name__
w_type = Constant(AssertionError)
w_value = Constant(AssertionError(msg))
link = self.make_link([w_type, w_value], self.graph.exceptblock)
self.recorder.crnt_block.closeblock(link)
def descr__setstate__(self, space, w_args):
from pypy.module._pickle_support import maker # helper fns
from pypy.interpreter.pycode import PyCode
from pypy.interpreter.module import Module
args_w = space.unpackiterable(w_args)
w_f_back, w_builtin, w_pycode, w_valuestack, w_blockstack, w_exc_value, w_tb,\
w_globals, w_last_instr, w_finished, w_f_lineno, w_fastlocals, w_f_locals, \
w_f_trace, w_instr_lb, w_instr_ub, w_instr_prev_plus_one, w_cells = args_w
new_frame = self
pycode = space.interp_w(PyCode, w_pycode)
if space.is_w(w_cells, space.w_None):
closure = None
cellvars = []
else:
from pypy.interpreter.nestedscope import Cell
cells_w = space.unpackiterable(w_cells)
cells = [space.interp_w(Cell, w_cell) for w_cell in cells_w]
ncellvars = len(pycode.co_cellvars)
cellvars = cells[:ncellvars]
closure = cells[ncellvars:]
# do not use the instance's __init__ but the base's, because we set
# everything like cells from here
# XXX hack
from pypy.interpreter.function import Function
outer_func = Function(space, None, closure=closure, forcename="fake")
PyFrame.__init__(self, space, pycode, w_globals, outer_func)
f_back = space.interp_w(PyFrame, w_f_back, can_be_None=True)
new_frame.f_backref = jit.non_virtual_ref(f_back)
new_frame.builtin = space.interp_w(Module, w_builtin)
new_frame.set_blocklist([
unpickle_block(space, w_blk)
for w_blk in space.unpackiterable(w_blockstack)
])
values_w = maker.slp_from_tuple_with_nulls(space, w_valuestack)
for w_value in values_w:
new_frame.pushvalue(w_value)
if space.is_w(w_exc_value, space.w_None):
new_frame.last_exception = None
else:
from pypy.interpreter.pytraceback import PyTraceback
tb = space.interp_w(PyTraceback, w_tb)
new_frame.last_exception = OperationError(space.type(w_exc_value),
w_exc_value, tb)
new_frame.last_instr = space.int_w(w_last_instr)
new_frame.frame_finished_execution = space.is_true(w_finished)
new_frame.f_lineno = space.int_w(w_f_lineno)
fastlocals_w = maker.slp_from_tuple_with_nulls(space, w_fastlocals)
new_frame.locals_stack_w[:len(fastlocals_w)] = fastlocals_w
if space.is_w(w_f_trace, space.w_None):
new_frame.w_f_trace = None
else:
new_frame.w_f_trace = w_f_trace
new_frame.instr_lb = space.int_w(w_instr_lb) #the three for tracing
new_frame.instr_ub = space.int_w(w_instr_ub)
new_frame.instr_prev_plus_one = space.int_w(w_instr_prev_plus_one)
self._setcellvars(cellvars)
# XXX what if the frame is in another thread??
space.frame_trace_action.fire()
def restore_top_frame(space, w_frame, w_saved):
while w_frame.f_backref():
w_frame = w_frame.f_backref()
w_frame.f_backref = non_virtual_ref(w_saved)
def restore_top_frame(space, w_frame, w_saved):
while w_frame.f_backref():
w_frame = w_frame.f_backref()
w_frame.f_backref = non_virtual_ref(w_saved)
def f(n):
if n > 0:
return virtual_ref(Y())
else:
return non_virtual_ref(Z())
