def del_name(self, name, lineno=None):
sym_tb = self.sym_tb
if name in sym_tb.cellvars:
self.bc.append(Instr('DELETE_DEREF', CellVar(name), lineno=lineno))
elif name in sym_tb.freevars:
self.bc.append(Instr('DELETE_DEREF', FreeVar(name), lineno=lineno))
elif name in sym_tb.bounds:
self.bc.append(Instr('DELETE_FAST', name, lineno=lineno))
else:
self.bc.append(Instr("DELETE_GLOBAL", name, lineno=lineno))
def store_name(self, name, lineno=None):
sym_tb = self.sym_tb
if name in sym_tb.cellvars:
self.bc.append(Instr('STORE_DEREF', CellVar(name), lineno=lineno))
elif name in sym_tb.freevars:
self.bc.append(Instr('STORE_DEREF', FreeVar(name), lineno=lineno))
elif name in sym_tb.bounds:
under_class = ContextType.ClassDef in self.cts
self.bc.append(
Instr('STORE_NAME' if under_class else 'STORE_FAST', name, lineno=lineno))
else:
self.bc.append(Instr("STORE_GLOBAL", name, lineno=lineno))
def load_closure(self, lineno=None):
parent = self.parent
freevars = self.sym_tb.freevars
cellvars = parent.sym_tb.cellvars
for each in freevars:
if each in cellvars:
parent.bc.append(Instr('LOAD_CLOSURE', CellVar(each), lineno=lineno))
else:
assert each in freevars
parent.bc.append(Instr('LOAD_CLOSURE', FreeVar(each), lineno=lineno))
parent.bc.append(Instr('BUILD_TUPLE', len(freevars)))
def del_name(self, name, lineno=None):
sym_tb = self.sym_tb
if name in sym_tb.cellvars:
# TODO: no DELETE_CLASSDEREF?
self.bc.append(Instr('DELETE_DEREF', CellVar(name), lineno=lineno))
elif name in sym_tb.freevars:
self.bc.append(Instr('DELETE_DEREF', FreeVar(name), lineno=lineno))
elif name in sym_tb.bounds:
under_class = ContextType.ClassDef in self.cts
self.bc.append(
Instr(
'DELETE_NAME' if under_class else 'DELETE_FAST', name, lineno=lineno))
else:
self.bc.append(Instr("DELETE_GLOBAL", name, lineno=lineno))
def load_closure(self, lineno=None):
parent = self.parent
freevars = self.sym_tb.freevars
if freevars:
for each in self.sym_tb.freevars:
if each in parent.sym_tb.cellvars:
parent.bc.append(
Instr('LOAD_CLOSURE', CellVar(each), lineno=lineno))
elif each in parent.sym_tb.borrowed_cellvars:
parent.bc.append(
Instr('LOAD_CLOSURE', FreeVar(each), lineno=lineno))
else:
raise RuntimeError
parent.bc.append(Instr('BUILD_TUPLE', len(freevars)))
def load_name(self, name, lineno=None):
sym_tb = self.sym_tb
under_class = ContextType.ClassDef in self.cts
if name in sym_tb.cellvars:
self.bc.append(
Instr(
'LOAD_CLASSDEREF' if under_class else 'LOAD_DEREF',
CellVar(name),
lineno=lineno))
elif name in sym_tb.freevars:
self.bc.append(
Instr(
'LOAD_CLASSDEREF' if under_class else 'LOAD_DEREF',
FreeVar(name),
lineno=lineno))
elif name in sym_tb.bounds:
self.bc.append(
Instr('LOAD_NAME' if under_class else 'LOAD_FAST', name, lineno=lineno))
else:
self.bc.append(Instr("LOAD_GLOBAL", name, lineno=lineno))