def process(key, obj, session=None):
__session = None;
__emitter = False;
__new_scope = False;
if (session == None):
__session = __connection__.session();
__emitter = True;
else:
__session = session;
if (obj == None) :
return;
# process list of objects with same key
if (type(obj) == type([])):
for i in obj:
process(key, i);
# process dictionary of multiple objects
elif (type(obj) == type({})):
for i in obj.keys():
if (i == 'scope'):
Scope.push(obj);
__new_scope = True;
for i in __classes__:
if (i.check(key)):
_scope, _children = i.inject(obj, __session);
for i in _children.keys():
process(i, i[key]);
break;
if (__emitter) :
__session.save();
__session.close();
if (__new_scope):
Scope.pop();
return;
def run(self):
if len(self.code) == 0:
return
stack = []
table = Scope()
addresses = []
#print self.code
i = 0
while i < len(self.code):
current = self.code[i]
if current == 'LOAD_CONST':
i += 1
current = self.code[i]
stack.append(current)
elif current == 'STORE':
try:
i += 1
current = self.code[i]
table[current] = stack.pop()
except IndexError:
msg = "Index: %s - Current: %s" % (str(i), str(current))
raise errors.EmptyStackException(msg)
elif current == 'LOAD':
i += 1
current = self.code[i]
stack.append(table[current])
elif current == 'PRINT':
print stack.pop()
elif current == 'CJUMP':
"""
JNE
<absoluter offset>
Springt zum offset, falls der aktuelle Wert auf dem Stack
´False´ ist.
"""
i += 1
offset = int(self.code[i])
condition = stack.pop()
if not condition:
i = offset # sprung
continue
elif current == 'JUMP':
"""
JUMP
<absoluter offset>
Bedingungsloser Sprung zum offset.
"""
i += 1
offset = int(self.code[i])
i = offset # sprung
continue
elif current in operations:
try:
val1 = int(stack.pop())
val2 = int(stack.pop())
except ValueError:
msg = """ Index: %s - Invalid operand for arithmetical
operation: %s %s""" % (str(val1), str(val2))
raise errors.InvalidOperandException(msg)
except IndexError:
msg = "Index: %s - Current: %s" % (str(i), str(current))
raise errors.EmptyStackException(msg)
res = operations[current](val1, val2)
stack.append(res)
elif current == "EOF":
return
elif current == "PUSH_SCOPE":
table.push({})
elif current == "POP_SCOPE":
table.pop()
elif current == "PUSH_ADDRESS":
i += 1
offset = int(self.code[i])
addresses.append(offset)
elif current == "RET":
assert addresses # Return without address doesn't make sense ;)
offset = addresses.pop()
i = offset
else:
try:
int(current)
except ValueError:
msg = """Index: %s -
Invalid Opcode: %s""" % (str(i), str(current))
raise errors.InvalidOpcodeException(msg)
i += 1
