def execute(code_obj):
'''executing'''
cur=0
stak=stack.stack()
while cur<len(code_obj.code):
opcode=code_obj.code[cur]
# print cur,len(code_obj.code),hex(opcode)
if opcode==0x64: # LOAD_CONS
operand=functions.get_oparg(code_obj.code,cur)
stak.push(code_obj.consts[operand])
cur+=3
elif opcode==0x5a: # STORE_NAME
operand=functions.get_oparg(code_obj.code,cur)
n=stak.pop()
if Code.name_value.get(code_obj.names[operand]):
Code.name_value[code_obj.names[operand]]=n
code_obj.names[operand]=n
cur+=3
elif opcode==0x47: # PRINT_ITEM
print stak.pop(),
cur+=1
elif opcode==0x48 : # PRINT_NEWLINE
print
cur+=1
elif opcode==0x78: # SETUP_LOOP
cur+=3
elif opcode==0x65: # LOAD_NAME
oparg=functions.get_oparg(code_obj.code,cur)
stak.push(code_obj.names[oparg])
cur+=3
elif opcode==0x71 : # JUMB_ABSOLUTE
cur=functions.get_oparg(code_obj.code,cur)
elif opcode==0x57 : # POP_BLOCK
cur+=1
elif opcode==0x53: # RETURN_VALUE
return stak.pop()
elif opcode==0x67: #BUILD_LIST
oparg=functions.get_oparg(code_obj.code,cur)
lst=[0]*oparg
end=oparg-1
for i in range(oparg):
lst[end]=stak.pop()
end-=1
stak.push(lst)
cur+=3
elif opcode==0x6b: # COMPARE_OP
opname=functions.get_oparg(code_obj.code,cur)
tos=stak.pop()
tos2=stak.pop()
stak.push(comparisons[opname](tos2, tos))
cur+=3
elif opcode==0x72 : # POP_JUMP_IF_FALSE
target=functions.get_oparg(code_obj.code,cur)
value=stak.pop()
if not value:
cur=target
else:
cur+=3
elif opcode==0x73 : # POP_JUMP_IF_TRUE
target=functions.get_oparg(code_obj.code,cur)
value=stak.pop()
if value:
cur=target
else:
cur+=3
elif opcode==0x17: #BINARY_ADD
stak.push(stak.pop()+stak.pop())
cur+=1
elif opcode==20: #BINARY_MULTIPLY
stak.push(stak.pop()*stak.pop())
cur+=1
elif opcode==21: #BINARY_DIVIDE
f=stak.pop()
s=stak.pop()
stak.push(s/f)
cur+=1
elif opcode==22: #BINARY_MODULO
f=stak.pop()
cur+=1
elif opcode==22: #BINARY_MODULO
f=stak.pop()
s=stak.pop()
stak.push(s%f)
cur+=1
elif opcode==24: #BINARY_SUBTRACT
f=stak.pop()
s=stak.pop()
stak.push(s-f)
cur+=1
elif opcode==12: #UNARY NOT
stak.push(not stak.pop())
cur+=1
elif opcode==0x6e: #JUMP_FORWARD
delta=functions.get_oparg(code_obj.code,cur)
cur+=delta+3
elif opcode==0x84: # MAKE_FUNCTION
operand=functions.get_oparg(code_obj.code,cur)
cur+=3
elif opcode==0x83 : #CALL_FUNCTION
argc=functions.get_oparg(code_obj.code,cur)
func=stak.get_top_n(argc)
backup=func.varnames[:]
while argc:
argc -= 1
func.varnames[argc] = stak.pop()
stak.pop()
ret=execute(func)
stak.push(ret)
func.varnames = backup[:]
