def frame_type_for_vars(self, vars):
key = self._key_for_types([v.concretetype for v in vars])
if key not in self.frametypes:
fields = []
tcounts = []
for t in STORAGE_TYPES:
tcount = key.get(t, 0)
tcounts.append(str(tcount))
for j in range(tcount):
fname = 'state_%s_%d' % (STORAGE_FIELDS[t], j)
fields.append((fname, t))
FRAME_TYPE = frame.make_state_header_type(
"FrameState_"+'_'.join(tcounts), *fields)
self.frametypes[key] = (FRAME_TYPE, self.saving_function_for_type(FRAME_TYPE))
T, save_state_funcptr = self.frametypes[key]
varsforcall = list(vars)
def key(v):
return STORAGE_TYPES.index(storage_type(v.concretetype))
def mycmp(x, y):
return cmp(key(x), key(y))
varsforcall.sort(mycmp)
return T, varsforcall, save_state_funcptr
from pypy.rpython.lltypesystem import lltype, llmemory, lloperation
from pypy.tool.sourcetools import func_with_new_name
from pypy.rlib import rarithmetic
from pypy.translator.stackless import frame
from pypy.translator.stackless.frame import STATE_HEADER, SAVED_REFERENCE, STORAGE_TYPES_AND_FIELDS
EMPTY_STATE = frame.make_state_header_type("empty_state")
# ____________________________________________________________
SWITCH_STATE = frame.make_state_header_type("switch_state", ("c", SAVED_REFERENCE))
def ll_frame_switch(targetstate):
if global_state.restart_substate == -1:
# normal entry point for a call to state.switch()
# first unwind the stack
u = UnwindException()
s = lltype.malloc(SWITCH_STATE)
s.header.f_restart = INDEX_SWITCH
s.c = lltype.cast_opaque_ptr(SAVED_REFERENCE, targetstate)
add_frame_state(u, s.header)
raise u
elif global_state.restart_substate == 0:
# STATE 0: we didn't do anything so far, but the stack is unwound
global_state.restart_substate = -1
# grab the frame corresponding to ourself
# the 'targetstate' local is garbage here, it must be read back from
# 's.c' where we saved it by the normal entry point above
mystate = global_state.top
s = lltype.cast_pointer(lltype.Ptr(SWITCH_STATE), mystate)
from pypy.rpython.lltypesystem import lltype, llmemory, lloperation
from pypy.tool.sourcetools import func_with_new_name
from pypy.rlib import rarithmetic
from pypy.translator.stackless import frame
from pypy.translator.stackless.frame import STATE_HEADER, SAVED_REFERENCE, STORAGE_TYPES_AND_FIELDS
EMPTY_STATE = frame.make_state_header_type('empty_state')
# ____________________________________________________________
SWITCH_STATE = frame.make_state_header_type('switch_state',
('c', SAVED_REFERENCE))
def ll_frame_switch(targetstate):
if global_state.restart_substate == -1:
# normal entry point for a call to state.switch()
# first unwind the stack
u = UnwindException()
s = lltype.malloc(SWITCH_STATE)
s.header.f_restart = INDEX_SWITCH
s.c = lltype.cast_opaque_ptr(SAVED_REFERENCE, targetstate)
add_frame_state(u, s.header)
raise u
elif global_state.restart_substate == 0:
# STATE 0: we didn't do anything so far, but the stack is unwound
global_state.restart_substate = -1
# grab the frame corresponding to ourself
# the 'targetstate' local is garbage here, it must be read back from
# 's.c' where we saved it by the normal entry point above
mystate = global_state.top
s = lltype.cast_pointer(lltype.Ptr(SWITCH_STATE), mystate)
from pypy.rpython.lltypesystem import lltype, llmemory, lloperation
from pypy.tool.sourcetools import func_with_new_name
from pypy.rlib import rarithmetic
from pypy.rpython import extfunctable
from pypy.translator.stackless import frame
from pypy.translator.stackless.frame import STATE_HEADER, SAVED_REFERENCE, STORAGE_TYPES_AND_FIELDS
EMPTY_STATE = frame.make_state_header_type('empty_state')
# ____________________________________________________________
SWITCH_STATE = frame.make_state_header_type('switch_state',
('c', SAVED_REFERENCE))
def ll_frame_switch(targetstate):
if global_state.restart_substate == -1:
# normal entry point for a call to state.switch()
# first unwind the stack
u = UnwindException()
s = lltype.malloc(SWITCH_STATE)
s.header.f_restart = INDEX_SWITCH
s.c = lltype.cast_opaque_ptr(SAVED_REFERENCE, targetstate)
add_frame_state(u, s.header)
raise u
elif global_state.restart_substate == 0:
# STATE 0: we didn't do anything so far, but the stack is unwound
global_state.restart_substate = -1
# grab the frame corresponding to ourself
# the 'targetstate' local is garbage here, it must be read back from
# 's.c' where we saved it by the normal entry point above
mystate = global_state.top
