mirror of
https://github.com/ddnet/ddnet.git
synced 2024-09-20 01:24:18 +00:00
295 lines
7.9 KiB
Python
295 lines
7.9 KiB
Python
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GlobalIdCounter = 0
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def GetID():
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global GlobalIdCounter
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GlobalIdCounter += 1
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return GlobalIdCounter
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def GetUID():
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return "x%d"%GetID()
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class BaseType:
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def __init__(self, type_name):
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self._type_name = type_name
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self._target_name = "INVALID"
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self._id = GetID() # this is used to remeber what order the members have in structures etc
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def Identifyer(self): return "x"+str(self._id)
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def TargetName(self): return self._target_name
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def TypeName(self): return self._type_name
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def ID(self): return self._id;
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def EmitDeclaration(self, name):
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return ["%s %s;"%(self.TypeName(), name)]
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def EmitPreDefinition(self, target_name):
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self._target_name = target_name
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return []
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def EmitDefinition(self, name):
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return []
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class MemberType:
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def __init__(self, name, var):
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self.name = name
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self.var = var
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class Struct(BaseType):
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def __init__(self, type_name):
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BaseType.__init__(self, type_name)
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def Members(self):
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def sorter(a,b):
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return a.var.ID()-b.var.ID()
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m = []
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for name in self.__dict__:
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if name[0] == "_":
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continue
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m += [MemberType(name, self.__dict__[name])]
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try:
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m.sort(sorter)
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except:
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for v in m:
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print v.name, v.var
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sys.exit(-1)
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return m
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def EmitTypeDeclaration(self, name):
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lines = []
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lines += ["struct " + self.TypeName()]
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lines += ["{"]
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for member in self.Members():
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lines += ["\t"+l for l in member.var.EmitDeclaration(member.name)]
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lines += ["};"]
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return lines
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def EmitPreDefinition(self, target_name):
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BaseType.EmitPreDefinition(self, target_name)
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lines = []
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for member in self.Members():
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lines += member.var.EmitPreDefinition(target_name+"."+member.name)
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return lines
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def EmitDefinition(self, name):
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lines = ["/* %s */ {" % self.TargetName()]
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for member in self.Members():
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lines += ["\t" + " ".join(member.var.EmitDefinition("")) + ","]
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lines += ["}"]
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return lines
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class Array(BaseType):
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def __init__(self, type):
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BaseType.__init__(self, type.TypeName())
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self.type = type
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self.items = []
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def Add(self, instance):
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if instance.TypeName() != self.type.TypeName():
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error("bah")
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self.items += [instance]
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def EmitDeclaration(self, name):
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return ["int num_%s;"%(name),
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"%s *%s;"%(self.TypeName(), name)]
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def EmitPreDefinition(self, target_name):
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BaseType.EmitPreDefinition(self, target_name)
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lines = []
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i = 0
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for item in self.items:
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lines += item.EmitPreDefinition("%s[%d]"%(self.Identifyer(), i))
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i += 1
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lines += ["static %s %s[] = {"%(self.TypeName(), self.Identifyer())]
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for item in self.items:
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itemlines = item.EmitDefinition("")
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lines += ["\t" + " ".join(itemlines).replace("\t", " ") + ","]
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lines += ["};"]
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return lines
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def EmitDefinition(self, name):
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return [str(len(self.items))+","+self.Identifyer()]
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# Basic Types
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class Int(BaseType):
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def __init__(self, value):
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BaseType.__init__(self, "int")
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self.value = value
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def Set(self, value):
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self.value = value
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def EmitDefinition(self, name):
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return ["%d"%self.value]
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#return ["%d /* %s */"%(self.value, self._target_name)]
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class Float(BaseType):
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def __init__(self, value):
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BaseType.__init__(self, "float")
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self.value = value
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def Set(self, value):
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self.value = value
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def EmitDefinition(self, name):
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return ["%f"%self.value]
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#return ["%d /* %s */"%(self.value, self._target_name)]
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class String(BaseType):
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def __init__(self, value):
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BaseType.__init__(self, "const char*")
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self.value = value
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def Set(self, value):
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self.value = value
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def EmitDefinition(self, name):
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return ['"'+self.value+'"']
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class Pointer(BaseType):
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def __init__(self, type, target):
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BaseType.__init__(self, "%s*"%type().TypeName())
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self.target = target
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def Set(self, target):
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self.target = target
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def EmitDefinition(self, name):
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return ["&"+self.target.TargetName()]
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# helper functions
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def EmitTypeDeclaration(root):
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for l in root().EmitTypeDeclaration(""):
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print l
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def EmitDefinition(root, name):
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for l in root.EmitPreDefinition(name):
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print l
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print "%s %s = " % (root.TypeName(), name)
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for l in root.EmitDefinition(name):
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print l
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print ";"
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# Network stuff after this
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class Object:
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pass
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class Enum():
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def __init__(self, name, values):
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self.name = name
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self.values = values
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class Flags():
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def __init__(self, name, values):
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self.name = name
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self.values = values
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class NetObject:
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def __init__(self, name, variables):
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l = name.split(":")
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self.name = l[0].lower()
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self.base = ""
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if len(l) > 1:
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self.base = l[1]
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self.base_struct_name = "NETOBJ_%s" % self.base.upper()
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self.struct_name = "NETOBJ_%s" % self.name.upper()
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self.enum_name = "NETOBJTYPE_%s" % self.name.upper()
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self.variables = variables
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def emit_declaration(self):
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if self.base:
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lines = ["struct %s : public %s"%(self.struct_name,self.base_struct_name), "{"]
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else:
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lines = ["struct %s"%self.struct_name, "{"]
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for v in self.variables:
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lines += ["\t"+line for line in v.emit_declaration()]
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lines += ["};"]
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return lines
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def emit_validate(self):
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lines = ["static int validate_%s(void *data, int size)" % self.name]
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lines += ["{"]
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lines += ["\t%s *obj = (%s *)data;"%(self.struct_name, self.struct_name)]
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lines += ["\tif(sizeof(*obj) != size) return -1;"]
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for v in self.variables:
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lines += ["\t"+line for line in v.emit_validate()]
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lines += ["\treturn 0;"]
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lines += ["}"]
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return lines
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class NetEvent(NetObject):
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def __init__(self, name, variables):
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NetObject.__init__(self, name, variables)
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self.base_struct_name = "NETEVENT_%s" % self.base.upper()
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self.struct_name = "NETEVENT_%s" % self.name.upper()
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self.enum_name = "NETEVENTTYPE_%s" % self.name.upper()
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class NetMessage(NetObject):
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def __init__(self, name, variables):
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NetObject.__init__(self, name, variables)
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self.base_struct_name = "NETMSG_%s" % self.base.upper()
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self.struct_name = "NETMSG_%s" % self.name.upper()
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self.enum_name = "NETMSGTYPE_%s" % self.name.upper()
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def emit_unpack(self):
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lines = []
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lines += ["static void *secure_unpack_%s()" % self.name]
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lines += ["{"]
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lines += ["\tstatic %s msg;" % self.struct_name]
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for v in self.variables:
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lines += ["\t"+line for line in v.emit_unpack()]
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for v in self.variables:
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lines += ["\t"+line for line in v.emit_unpack_check()]
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lines += ["\treturn &msg;"]
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lines += ["}"]
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return lines
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def emit_declaration(self):
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extra = []
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extra += ["\tvoid pack(int flags)"]
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extra += ["\t{"]
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extra += ["\t\tmsg_pack_start(%s, flags);"%self.enum_name]
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for v in self.variables:
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extra += ["\t\t"+line for line in v.emit_pack()]
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extra += ["\t\tmsg_pack_end();"]
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extra += ["\t}"]
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lines = NetObject.emit_declaration(self)
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lines = lines[:-1] + extra + lines[-1:]
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return lines
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class NetVariable:
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def __init__(self, name):
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self.name = name
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def emit_declaration(self):
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return []
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def emit_validate(self):
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return []
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def emit_pack(self):
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return []
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def emit_unpack(self):
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return []
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def emit_unpack_check(self):
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return []
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class NetString(NetVariable):
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def emit_declaration(self):
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return ["const char *%s;"%self.name]
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def emit_unpack(self):
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return ["msg.%s = msg_unpack_string();" % self.name]
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def emit_pack(self):
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return ["msg_pack_string(%s, -1);" % self.name]
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class NetIntAny(NetVariable):
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def emit_declaration(self):
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return ["int %s;"%self.name]
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def emit_unpack(self):
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return ["msg.%s = msg_unpack_int();" % self.name]
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def emit_pack(self):
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return ["msg_pack_int(%s);" % self.name]
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class NetIntRange(NetIntAny):
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def __init__(self, name, min, max):
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NetIntAny.__init__(self,name)
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self.min = str(min)
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self.max = str(max)
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def emit_validate(self):
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return ["netobj_clamp_int(\"%s\", obj->%s, %s, %s);"%(self.name,self.name, self.min, self.max)]
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def emit_unpack_check(self):
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return ["if(msg.%s < %s || msg.%s > %s) { msg_failed_on = \"%s\"; return 0; }" % (self.name, self.min, self.name, self.max, self.name)]
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class NetBool(NetIntRange):
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def __init__(self, name):
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NetIntRange.__init__(self,name,0,1)
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class NetTick(NetIntRange):
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def __init__(self, name):
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NetIntRange.__init__(self,name,0,'max_int')
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