/*
* 将由lua传入的参数表转化为void *[]参数表
* L : 含有参数表的lua_State
* base : 参数表在lua_State中的起始位置(靠近栈底的一边)
* method : 参数表将要应用到的MonoMethod*
*
* 该调用只针对Static methods, 和 non-Static methods, 不针对generic methods
*/
static void *call_method (lua_State *L, int base, MonoObject *thiz, MonoMethod *method, MonoObject **ex) {
MonoMethodSignature *sig = mono_method_signature (method);
if (!sig)
luaL_error (L, "can not get the method's signature.");
int n = mono_signature_get_param_count (sig);
int cur_n = lua_gettop (L) - base + 1;
if (cur_n != n) {
/*Fixme : mono_method_full_name 的返回值需要显示 g_free*/
luaL_error (L, "%s need %d arguments, but get %d.",
mono_method_full_name (method, 1), n, cur_n);
}
void **args = 0;
if (n > 0)
args = new void*[n];
void *iter = 0;
MonoType *param_type;
for (int i = 0; (param_type = mono_signature_get_params (sig, &iter)) != 0; i++) {
/*reference 类型的参数 无论是否加ref关键字, 都是传递改类型对象指针的指针*/
if (mono_type_is_reference (param_type) || mono_type_is_byref (param_type)) {
void *p = lua_touserdata (L, base + i);
if (!p)
luaL_error (L, "%s : %d arg need a reference type.", mono_method_full_name (method, 1), i);
args[i] = p;
continue;
}
/*剩下的都是value类型*/
switch (mono_type_get_type (param_type)) {
case MONO_TYPE_BOOLEAN: {
int b = lua_toboolean (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_boolean_class (), &b);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_CHAR: {
/*char 用int来表示*/
int b = luaL_checkint (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_char_class (), &b);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_I1: {
int b = luaL_checkint (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_sbyte_class (), &b);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_U1: {
unsigned long l = luaL_checkunsigned (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_byte_class (), &l);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_I2: {
int b = luaL_checkint (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_int16_class (), &b);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_U2: {
unsigned long l = luaL_checkunsigned (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_uint16_class (), &l);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_I4: {
int b = luaL_checkint (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_int32_class (), &b);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_VALUETYPE:
case MONO_TYPE_U4: {
unsigned long l = luaL_checkunsigned (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_uint32_class (), &l);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_I8: {
void *u = lua_touserdata (L, base + i);
if (!u)
luaL_error (L, "%s : %d arg need Int64.", mono_method_full_name (method, 1), i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_int64_class (), u);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_U8: {
void *u = lua_touserdata (L, base + i);
if (!u)
luaL_error (L, "%s : %d arg need UInt64.", mono_method_full_name (method, 1), i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_uint64_class (), u);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_R4: {
/*这里的精度损失由使用lua的人负责*/
float f = (float)lua_tonumber (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_single_class (), &f);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_R8: {
double d = (double)lua_tonumber (L, base + i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_double_class (), &d);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_I: {
void *u = lua_touserdata (L, base + i);
if (!u)
luaL_error (L, "%s : %d arg need IntPtr.", mono_method_full_name (method, 1), i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_intptr_class (), u);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_U: {
void *u = lua_touserdata (L, base + i);
if (!u)
luaL_error (L, "%s : %d arg need UIntPtr.", mono_method_full_name (method, 1), i);
MonoObject *obj = mono_value_box (mono_domain_get (), mono_get_uintptr_class (), u);
args[i] = mono_object_unbox (obj);
break;
}
case MONO_TYPE_MVAR:
luaL_error (L, "generic method dont be supported.");
case MONO_TYPE_PTR:
luaL_error (L, "dont support the ptr type.");
default:
luaL_error (L, "unknow method args type : 0x%02X", mono_type_get_type (param_type));
}
}
MonoObject *ret = mono_runtime_invoke (method, thiz, args, ex);
//MonoType *ret_type = mono_signature_get_return_type (sig);
LOGD ("call_method be called!");
return ret;
}
mono::object DefaultBoxinator::BoxUPtr(void *value)
{
return this->box(mono_get_uintptr_class(), &value);
}
