| private pushFunction ( IntPtr luaState, LuaCSFunction func ) : void | ||
| luaState | IntPtr | |
| func | LuaCSFunction | |
| return | void | |
public static int getConstructorSignature(IntPtr luaState)
{
ObjectTranslator objectTranslator = ObjectTranslator.FromState(luaState);
IReflect reflect = null;
int num = LuaDLL.luanet_checkudata(luaState, 1, "luaNet_class");
if (num != -1)
{
reflect = (IReflect)objectTranslator.objects[num];
}
if (reflect == null)
{
objectTranslator.throwError(luaState, "get_constructor_bysig: first arg is invalid type reference");
}
Type[] array = new Type[LuaDLL.lua_gettop(luaState) - 1];
for (int i = 0; i < array.Length; i++)
{
array[i] = objectTranslator.FindType(LuaDLL.lua_tostring(luaState, i + 2));
}
try
{
ConstructorInfo constructor = reflect.UnderlyingSystemType.GetConstructor(array);
objectTranslator.pushFunction(luaState, new LuaCSFunction(new LuaMethodWrapper(objectTranslator, null, reflect, constructor).call));
}
catch (Exception ex)
{
objectTranslator.throwError(luaState, ex.Message);
LuaDLL.lua_pushnil(luaState);
}
return(1);
}
public static int getConstructorSignature(IntPtr luaState)
{
ObjectTranslator translator = ObjectTranslator.FromState(luaState);
IReflect klass = null;
int udata = LuaDLL.luanet_checkudata(luaState, 1, "luaNet_class");
if (udata != -1)
{
klass = (IReflect)translator.objects[udata];
}
if (klass == null)
{
translator.throwError(luaState, "get_constructor_bysig: first arg is invalid type reference");
}
Type[] signature = new Type[LuaDLL.lua_gettop(luaState) - 1];
for (int i = 0; i < signature.Length; i++)
signature[i] = translator.FindType(LuaDLL.lua_tostring(luaState, i + 2));
try
{
ConstructorInfo constructor = klass.UnderlyingSystemType.GetConstructor(signature);
translator.pushFunction(luaState, new LuaCSFunction((new LuaMethodWrapper(translator, null, klass, constructor)).call));
}
catch (Exception e)
{
translator.throwError(luaState, e.Message);
LuaDLL.lua_pushnil(luaState);
}
return 1;
}
public static int getMethodSignature(IntPtr luaState)
{
ObjectTranslator translator = ObjectTranslator.FromState(luaState);
IReflect klass; object target;
int udata = LuaDLL.luanet_checkudata(luaState, 1, "luaNet_class");
if (udata != -1)
{
klass = (IReflect)translator.objects[udata];
target = null;
}
else
{
target = translator.getRawNetObject(luaState, 1);
if (target == null)
{
translator.throwError(luaState, "get_method_bysig: first arg is not type or object reference");
LuaDLL.lua_pushnil(luaState);
return(1);
}
klass = target.GetType();
}
string methodName = LuaDLL.lua_tostring(luaState, 2);
Type[] signature = new Type[LuaDLL.lua_gettop(luaState) - 2];
for (int i = 0; i < signature.Length; i++)
{
signature[i] = translator.FindType(LuaDLL.lua_tostring(luaState, i + 3));
}
try
{
//CP: Added ignore case
MethodInfo method = klass.GetMethod(methodName, BindingFlags.Public | BindingFlags.Static |
BindingFlags.Instance | BindingFlags.FlattenHierarchy | BindingFlags.IgnoreCase, null, signature, null);
translator.pushFunction(luaState, new LuaCSFunction((new LuaMethodWrapper(translator, target, klass, method)).call));
}
catch (Exception e)
{
translator.throwError(luaState, e.Message);
LuaDLL.lua_pushnil(luaState);
}
return(1);
}
public static int getMethodSignature(IntPtr luaState)
{
ObjectTranslator objectTranslator = ObjectTranslator.FromState(luaState);
int num = LuaDLL.luanet_checkudata(luaState, 1, "luaNet_class");
IReflect reflect;
object obj;
if (num != -1)
{
reflect = (IReflect)objectTranslator.objects[num];
obj = null;
}
else
{
obj = objectTranslator.getRawNetObject(luaState, 1);
if (obj == null)
{
objectTranslator.throwError(luaState, "get_method_bysig: first arg is not type or object reference");
LuaDLL.lua_pushnil(luaState);
return(1);
}
reflect = obj.GetType();
}
string name = LuaDLL.lua_tostring(luaState, 2);
Type[] array = new Type[LuaDLL.lua_gettop(luaState) - 2];
for (int i = 0; i < array.Length; i++)
{
array[i] = objectTranslator.FindType(LuaDLL.lua_tostring(luaState, i + 3));
}
try
{
MethodInfo method = reflect.GetMethod(name, BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.FlattenHierarchy, null, array, null);
objectTranslator.pushFunction(luaState, new LuaCSFunction(new LuaMethodWrapper(objectTranslator, obj, reflect, method).call));
}
catch (Exception ex)
{
objectTranslator.throwError(luaState, ex.Message);
LuaDLL.lua_pushnil(luaState);
}
return(1);
}
/*
* Pushes the value of a member or a delegate to call it, depending on the type of
* the member. Works with static or instance members.
* Uses reflection to find members, and stores the reflected MemberInfo object in
* a cache (indexed by the type of the object and the name of the member).
*/
private int getMember(KopiLua.Lua.lua_State luaState, IReflect objType, object obj, string methodName, BindingFlags bindingType)
{
bool implicitStatic = false;
MemberInfo member = null;
object cachedMember = checkMemberCache(memberCache, objType, methodName);
//object cachedMember=null;
if (cachedMember is KopiLua.Lua.lua_CFunction)
{
translator.pushFunction(luaState, (KopiLua.Lua.lua_CFunction)cachedMember);
translator.push(luaState, true);
return(2);
}
else if (cachedMember != null)
{
member = (MemberInfo)cachedMember;
}
else
{
MemberInfo[] members = objType.GetMember(methodName, bindingType | BindingFlags.Public | BindingFlags.NonPublic);
if (members.Length > 0)
{
member = members[0];
}
else
{
// If we can't find any suitable instance members, try to find them as statics - but we only want to allow implicit static
// lookups for fields/properties/events -kevinh
members = objType.GetMember(methodName, bindingType | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
if (members.Length > 0)
{
member = members[0];
implicitStatic = true;
}
}
}
if (member != null)
{
if (member.MemberType == MemberTypes.Field)
{
FieldInfo field = (FieldInfo)member;
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, member);
}
try
{
translator.push(luaState, field.GetValue(obj));
}
catch
{
LuaDLL.lua_pushnil(luaState);
}
}
else if (member.MemberType == MemberTypes.Property)
{
PropertyInfo property = (PropertyInfo)member;
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, member);
}
try
{
object val = property.GetValue(obj, null);
translator.push(luaState, val);
}
catch (ArgumentException)
{
// If we can't find the getter in our class, recurse up to the base class and see
// if they can help.
if (objType is Type && !(((Type)objType) == typeof(object)))
{
return(getMember(luaState, ((Type)objType).BaseType, obj, methodName, bindingType));
}
else
{
LuaDLL.lua_pushnil(luaState);
}
}
catch (TargetInvocationException e) // Convert this exception into a Lua error
{
ThrowError(luaState, e);
LuaDLL.lua_pushnil(luaState);
}
}
else if (member.MemberType == MemberTypes.Event)
{
EventInfo eventInfo = (EventInfo)member;
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, member);
}
translator.push(luaState, new RegisterEventHandler(translator.pendingEvents, obj, eventInfo));
}
else if (!implicitStatic)
{
if (member.MemberType == MemberTypes.NestedType)
{
// kevinh - added support for finding nested types
// cache us
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, member);
}
// Find the name of our class
string name = member.Name;
Type dectype = member.DeclaringType;
// Build a new long name and try to find the type by name
string longname = dectype.FullName + "+" + name;
Type nestedType = translator.FindType(longname);
translator.pushType(luaState, nestedType);
}
else
{
// Member type must be 'method'
KopiLua.Lua.lua_CFunction wrapper = new KopiLua.Lua.lua_CFunction((new LuaMethodWrapper(translator, objType, methodName, bindingType)).call);
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, wrapper);
}
translator.pushFunction(luaState, wrapper);
translator.push(luaState, true);
return(2);
}
}
else
{
// If we reach this point we found a static method, but can't use it in this context because the user passed in an instance
translator.throwError(luaState, "can't pass instance to static method " + methodName);
LuaDLL.lua_pushnil(luaState);
}
}
else
{
// kevinh - we want to throw an exception because meerly returning 'nil' in this case
// is not sufficient. valid data members may return nil and therefore there must be some
// way to know the member just doesn't exist.
translator.throwError(luaState, "unknown member name " + methodName);
LuaDLL.lua_pushnil(luaState);
}
// push false because we are NOT returning a function (see luaIndexFunction)
translator.push(luaState, false);
return(2);
}
internal void pushCSFunction(LuaCSFunction function)
{
translator.pushFunction(L, function);
}
internal void pushCSFunction(LuaCore.lua_CFunction function)
{
translator.pushFunction(luaState, function);
}
internal void pushCSFunction(KopiLua.Lua.lua_CFunction function)
{
translator.pushFunction(luaState, function);
}
/*
* Pushes the value of a member or a delegate to call it, depending on the type of
* the member. Works with static or instance members.
* Uses reflection to find members, and stores the reflected MemberInfo object in
* a cache (indexed by the type of the object and the name of the member).
*/
private int getMember(IntPtr luaState, IReflect objType, object obj, string methodName, BindingFlags bindingType)
{
bool implicitStatic = false;
MemberInfo member = null;
object cachedMember = checkMemberCache(memberCache, objType, methodName);
if (cachedMember is LuaCSFunction)
{
translator.pushFunction(luaState, (LuaCSFunction)cachedMember);
translator.push(luaState, true);
return(2);
}
else if (cachedMember != null)
{
member = (MemberInfo)cachedMember;
}
else
{
//CP: Removed NonPublic binding search
MemberInfo[] members = objType.GetMember(methodName, bindingType | BindingFlags.Public | BindingFlags.IgnoreCase /*| BindingFlags.NonPublic*/);
if (members.Length > 0)
{
member = members[0];
}
else
{
members = objType.GetMember(methodName, bindingType | BindingFlags.Static | BindingFlags.Public | BindingFlags.IgnoreCase /*| BindingFlags.NonPublic*/);
if (members.Length > 0)
{
member = members[0];
implicitStatic = true;
}
}
}
if (member != null)
{
if (member.MemberType == MemberTypes.Field)
{
FieldInfo field = (FieldInfo)member;
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, member);
}
try
{
translator.push(luaState, field.GetValue(obj));
}
catch
{
LuaAPI.lua_pushnil(luaState);
}
}
else if (member.MemberType == MemberTypes.Property)
{
PropertyInfo property = (PropertyInfo)member;
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, member);
}
try
{
object val = property.GetGetMethod().Invoke(obj, null);
translator.push(luaState, val);
}
catch (ArgumentException)
{
if (objType is Type && !(((Type)objType) == typeof(object)))
{
return(getMember(luaState, ((Type)objType).BaseType, obj, methodName, bindingType));
}
else
{
LuaAPI.lua_pushnil(luaState);
}
}
catch (TargetInvocationException e) // Convert this exception into a Lua error
{
ThrowError(luaState, e);
LuaAPI.lua_pushnil(luaState);
}
}
else if (!implicitStatic)
{
if (member.MemberType == MemberTypes.NestedType)
{
// cache us
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, member);
}
// Find the name of our class
string name = member.Name;
Type dectype = member.DeclaringType;
// Build a new long name and try to find the type by name
string longname = dectype.FullName + "+" + name;
Type nestedType = translator.FindType(longname);
translator.pushType(luaState, nestedType);
}
else
{
// Member type must be 'method'
LuaCSFunction wrapper = new LuaCSFunction((new LuaMethodWrapper(translator, objType, methodName, bindingType)).call);
if (cachedMember == null)
{
setMemberCache(memberCache, objType, methodName, wrapper);
}
translator.pushFunction(luaState, wrapper);
translator.push(luaState, true);
return(2);
}
}
else
{
// If we reach this point we found a static method, but can't use it in this context because the user passed in an instance
translator.throwError(luaState, "can't pass instance to static method " + methodName);
LuaAPI.lua_pushnil(luaState);
}
}
else
{
// kevinh - we want to throw an exception because meerly returning 'nil' in this case
// is not sufficient. valid data members may return nil and therefore there must be some
// way to know the member just doesn't exist.
translator.throwError(luaState, "unknown member name " + methodName);
LuaAPI.lua_pushnil(luaState);
}
// push false because we are NOT returning a function (see luaIndexFunction)
translator.push(luaState, false);
return(2);
}
