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mirror of https://github.com/godotengine/godot.git synced 2025-11-23 15:16:17 +00:00

Create Variant built-in functions.

-Moved Expression to use this, removed its own.
-Eventually GDScript/VisualScript/GDNative need to be moved to this.
-Given the JSON functions were hacked-in, removed them and created a new JSONParser class
-Made sure these functions appear properly in documentation, since they will be removed from GDScript
This commit is contained in:
reduz
2020-11-10 18:31:33 -03:00
parent a80ec80b57
commit 5288ff538d
12 changed files with 1574 additions and 822 deletions

View File

@@ -37,688 +37,6 @@
#include "core/os/os.h"
#include "core/variant/variant_parser.h"
const char *Expression::func_name[Expression::FUNC_MAX] = {
"sin",
"cos",
"tan",
"sinh",
"cosh",
"tanh",
"asin",
"acos",
"atan",
"atan2",
"sqrt",
"fmod",
"fposmod",
"posmod",
"floor",
"ceil",
"round",
"abs",
"sign",
"pow",
"log",
"exp",
"is_nan",
"is_inf",
"ease",
"step_decimals",
"stepify",
"lerp",
"lerp_angle",
"inverse_lerp",
"range_lerp",
"smoothstep",
"move_toward",
"dectime",
"randomize",
"randi",
"randf",
"randf_range",
"randi_range",
"seed",
"rand_seed",
"deg2rad",
"rad2deg",
"linear2db",
"db2linear",
"polar2cartesian",
"cartesian2polar",
"wrapi",
"wrapf",
"max",
"min",
"clamp",
"nearest_po2",
"weakref",
"convert",
"typeof",
"type_exists",
"char",
"ord",
"str",
"print",
"printerr",
"printraw",
"var2str",
"str2var",
"var2bytes",
"bytes2var",
"color_named",
};
Expression::BuiltinFunc Expression::find_function(const String &p_string) {
for (int i = 0; i < FUNC_MAX; i++) {
if (p_string == func_name[i]) {
return BuiltinFunc(i);
}
}
return FUNC_MAX;
}
String Expression::get_func_name(BuiltinFunc p_func) {
ERR_FAIL_INDEX_V(p_func, FUNC_MAX, String());
return func_name[p_func];
}
int Expression::get_func_argument_count(BuiltinFunc p_func) {
switch (p_func) {
case MATH_RANDOMIZE:
case MATH_RANDI:
case MATH_RANDF:
return 0;
case MATH_SIN:
case MATH_COS:
case MATH_TAN:
case MATH_SINH:
case MATH_COSH:
case MATH_TANH:
case MATH_ASIN:
case MATH_ACOS:
case MATH_ATAN:
case MATH_SQRT:
case MATH_FLOOR:
case MATH_CEIL:
case MATH_ROUND:
case MATH_ABS:
case MATH_SIGN:
case MATH_LOG:
case MATH_EXP:
case MATH_ISNAN:
case MATH_ISINF:
case MATH_STEP_DECIMALS:
case MATH_SEED:
case MATH_RANDSEED:
case MATH_DEG2RAD:
case MATH_RAD2DEG:
case MATH_LINEAR2DB:
case MATH_DB2LINEAR:
case LOGIC_NEAREST_PO2:
case OBJ_WEAKREF:
case TYPE_OF:
case TEXT_CHAR:
case TEXT_ORD:
case TEXT_STR:
case TEXT_PRINT:
case TEXT_PRINTERR:
case TEXT_PRINTRAW:
case VAR_TO_STR:
case STR_TO_VAR:
case TYPE_EXISTS:
return 1;
case VAR_TO_BYTES:
case BYTES_TO_VAR:
case MATH_ATAN2:
case MATH_FMOD:
case MATH_FPOSMOD:
case MATH_POSMOD:
case MATH_POW:
case MATH_EASE:
case MATH_STEPIFY:
case MATH_RANDF_RANGE:
case MATH_RANDI_RANGE:
case MATH_POLAR2CARTESIAN:
case MATH_CARTESIAN2POLAR:
case LOGIC_MAX:
case LOGIC_MIN:
case TYPE_CONVERT:
case COLORN:
return 2;
case MATH_LERP:
case MATH_LERP_ANGLE:
case MATH_INVERSE_LERP:
case MATH_SMOOTHSTEP:
case MATH_MOVE_TOWARD:
case MATH_DECTIME:
case MATH_WRAP:
case MATH_WRAPF:
case LOGIC_CLAMP:
return 3;
case MATH_RANGE_LERP:
return 5;
case FUNC_MAX: {
}
}
return 0;
}
#define VALIDATE_ARG_NUM(m_arg) \
if (!p_inputs[m_arg]->is_num()) { \
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; \
r_error.argument = m_arg; \
r_error.expected = Variant::FLOAT; \
return; \
}
void Expression::exec_func(BuiltinFunc p_func, const Variant **p_inputs, Variant *r_return, Callable::CallError &r_error, String &r_error_str) {
r_error.error = Callable::CallError::CALL_OK;
switch (p_func) {
case MATH_SIN: {
VALIDATE_ARG_NUM(0);
*r_return = Math::sin((double)*p_inputs[0]);
} break;
case MATH_COS: {
VALIDATE_ARG_NUM(0);
*r_return = Math::cos((double)*p_inputs[0]);
} break;
case MATH_TAN: {
VALIDATE_ARG_NUM(0);
*r_return = Math::tan((double)*p_inputs[0]);
} break;
case MATH_SINH: {
VALIDATE_ARG_NUM(0);
*r_return = Math::sinh((double)*p_inputs[0]);
} break;
case MATH_COSH: {
VALIDATE_ARG_NUM(0);
*r_return = Math::cosh((double)*p_inputs[0]);
} break;
case MATH_TANH: {
VALIDATE_ARG_NUM(0);
*r_return = Math::tanh((double)*p_inputs[0]);
} break;
case MATH_ASIN: {
VALIDATE_ARG_NUM(0);
*r_return = Math::asin((double)*p_inputs[0]);
} break;
case MATH_ACOS: {
VALIDATE_ARG_NUM(0);
*r_return = Math::acos((double)*p_inputs[0]);
} break;
case MATH_ATAN: {
VALIDATE_ARG_NUM(0);
*r_return = Math::atan((double)*p_inputs[0]);
} break;
case MATH_ATAN2: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::atan2((double)*p_inputs[0], (double)*p_inputs[1]);
} break;
case MATH_SQRT: {
VALIDATE_ARG_NUM(0);
*r_return = Math::sqrt((double)*p_inputs[0]);
} break;
case MATH_FMOD: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::fmod((double)*p_inputs[0], (double)*p_inputs[1]);
} break;
case MATH_FPOSMOD: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::fposmod((double)*p_inputs[0], (double)*p_inputs[1]);
} break;
case MATH_POSMOD: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::posmod((int)*p_inputs[0], (int)*p_inputs[1]);
} break;
case MATH_FLOOR: {
VALIDATE_ARG_NUM(0);
*r_return = Math::floor((double)*p_inputs[0]);
} break;
case MATH_CEIL: {
VALIDATE_ARG_NUM(0);
*r_return = Math::ceil((double)*p_inputs[0]);
} break;
case MATH_ROUND: {
VALIDATE_ARG_NUM(0);
*r_return = Math::round((double)*p_inputs[0]);
} break;
case MATH_ABS: {
if (p_inputs[0]->get_type() == Variant::INT) {
int64_t i = *p_inputs[0];
*r_return = ABS(i);
} else if (p_inputs[0]->get_type() == Variant::FLOAT) {
real_t r = *p_inputs[0];
*r_return = Math::abs(r);
} else {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::FLOAT;
}
} break;
case MATH_SIGN: {
if (p_inputs[0]->get_type() == Variant::INT) {
int64_t i = *p_inputs[0];
*r_return = i < 0 ? -1 : (i > 0 ? +1 : 0);
} else if (p_inputs[0]->get_type() == Variant::FLOAT) {
real_t r = *p_inputs[0];
*r_return = r < 0.0 ? -1.0 : (r > 0.0 ? +1.0 : 0.0);
} else {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::FLOAT;
}
} break;
case MATH_POW: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::pow((double)*p_inputs[0], (double)*p_inputs[1]);
} break;
case MATH_LOG: {
VALIDATE_ARG_NUM(0);
*r_return = Math::log((double)*p_inputs[0]);
} break;
case MATH_EXP: {
VALIDATE_ARG_NUM(0);
*r_return = Math::exp((double)*p_inputs[0]);
} break;
case MATH_ISNAN: {
VALIDATE_ARG_NUM(0);
*r_return = Math::is_nan((double)*p_inputs[0]);
} break;
case MATH_ISINF: {
VALIDATE_ARG_NUM(0);
*r_return = Math::is_inf((double)*p_inputs[0]);
} break;
case MATH_EASE: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::ease((double)*p_inputs[0], (double)*p_inputs[1]);
} break;
case MATH_STEP_DECIMALS: {
VALIDATE_ARG_NUM(0);
*r_return = Math::step_decimals((double)*p_inputs[0]);
} break;
case MATH_STEPIFY: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::stepify((double)*p_inputs[0], (double)*p_inputs[1]);
} break;
case MATH_LERP: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::lerp((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
} break;
case MATH_LERP_ANGLE: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::lerp_angle((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
} break;
case MATH_INVERSE_LERP: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::inverse_lerp((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
} break;
case MATH_RANGE_LERP: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
VALIDATE_ARG_NUM(3);
VALIDATE_ARG_NUM(4);
*r_return = Math::range_lerp((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2], (double)*p_inputs[3], (double)*p_inputs[4]);
} break;
case MATH_SMOOTHSTEP: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::smoothstep((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
} break;
case MATH_MOVE_TOWARD: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::move_toward((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
} break;
case MATH_DECTIME: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::dectime((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
} break;
case MATH_RANDOMIZE: {
Math::randomize();
} break;
case MATH_RANDI: {
*r_return = Math::rand();
} break;
case MATH_RANDF: {
*r_return = Math::randf();
} break;
case MATH_RANDF_RANGE: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::random((double)*p_inputs[0], (double)*p_inputs[1]);
} break;
case MATH_RANDI_RANGE: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
*r_return = Math::random((int)*p_inputs[0], (int)*p_inputs[1]);
} break;
case MATH_SEED: {
VALIDATE_ARG_NUM(0);
uint64_t seed = *p_inputs[0];
Math::seed(seed);
} break;
case MATH_RANDSEED: {
VALIDATE_ARG_NUM(0);
uint64_t seed = *p_inputs[0];
int ret = Math::rand_from_seed(&seed);
Array reta;
reta.push_back(ret);
reta.push_back(seed);
*r_return = reta;
} break;
case MATH_DEG2RAD: {
VALIDATE_ARG_NUM(0);
*r_return = Math::deg2rad((double)*p_inputs[0]);
} break;
case MATH_RAD2DEG: {
VALIDATE_ARG_NUM(0);
*r_return = Math::rad2deg((double)*p_inputs[0]);
} break;
case MATH_LINEAR2DB: {
VALIDATE_ARG_NUM(0);
*r_return = Math::linear2db((double)*p_inputs[0]);
} break;
case MATH_DB2LINEAR: {
VALIDATE_ARG_NUM(0);
*r_return = Math::db2linear((double)*p_inputs[0]);
} break;
case MATH_POLAR2CARTESIAN: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
double r = *p_inputs[0];
double th = *p_inputs[1];
*r_return = Vector2(r * Math::cos(th), r * Math::sin(th));
} break;
case MATH_CARTESIAN2POLAR: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
double x = *p_inputs[0];
double y = *p_inputs[1];
*r_return = Vector2(Math::sqrt(x * x + y * y), Math::atan2(y, x));
} break;
case MATH_WRAP: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::wrapi((int64_t)*p_inputs[0], (int64_t)*p_inputs[1], (int64_t)*p_inputs[2]);
} break;
case MATH_WRAPF: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
*r_return = Math::wrapf((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
} break;
case LOGIC_MAX: {
if (p_inputs[0]->get_type() == Variant::INT && p_inputs[1]->get_type() == Variant::INT) {
int64_t a = *p_inputs[0];
int64_t b = *p_inputs[1];
*r_return = MAX(a, b);
} else {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
real_t a = *p_inputs[0];
real_t b = *p_inputs[1];
*r_return = MAX(a, b);
}
} break;
case LOGIC_MIN: {
if (p_inputs[0]->get_type() == Variant::INT && p_inputs[1]->get_type() == Variant::INT) {
int64_t a = *p_inputs[0];
int64_t b = *p_inputs[1];
*r_return = MIN(a, b);
} else {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
real_t a = *p_inputs[0];
real_t b = *p_inputs[1];
*r_return = MIN(a, b);
}
} break;
case LOGIC_CLAMP: {
if (p_inputs[0]->get_type() == Variant::INT && p_inputs[1]->get_type() == Variant::INT && p_inputs[2]->get_type() == Variant::INT) {
int64_t a = *p_inputs[0];
int64_t b = *p_inputs[1];
int64_t c = *p_inputs[2];
*r_return = CLAMP(a, b, c);
} else {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
real_t a = *p_inputs[0];
real_t b = *p_inputs[1];
real_t c = *p_inputs[2];
*r_return = CLAMP(a, b, c);
}
} break;
case LOGIC_NEAREST_PO2: {
VALIDATE_ARG_NUM(0);
int64_t num = *p_inputs[0];
*r_return = next_power_of_2(num);
} break;
case OBJ_WEAKREF: {
if (p_inputs[0]->get_type() != Variant::OBJECT) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::OBJECT;
return;
}
if (p_inputs[0]->is_ref()) {
REF r = *p_inputs[0];
if (!r.is_valid()) {
return;
}
Ref<WeakRef> wref = memnew(WeakRef);
wref->set_ref(r);
*r_return = wref;
} else {
Object *obj = *p_inputs[0];
if (!obj) {
return;
}
Ref<WeakRef> wref = memnew(WeakRef);
wref->set_obj(obj);
*r_return = wref;
}
} break;
case TYPE_CONVERT: {
VALIDATE_ARG_NUM(1);
int type = *p_inputs[1];
if (type < 0 || type >= Variant::VARIANT_MAX) {
r_error_str = RTR("Invalid type argument to convert(), use TYPE_* constants.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::INT;
return;
} else {
Variant::construct(Variant::Type(type), *r_return, p_inputs, 1, r_error);
}
} break;
case TYPE_OF: {
*r_return = p_inputs[0]->get_type();
} break;
case TYPE_EXISTS: {
*r_return = ClassDB::class_exists(*p_inputs[0]);
} break;
case TEXT_CHAR: {
char32_t result[2] = { *p_inputs[0], 0 };
*r_return = String(result);
} break;
case TEXT_ORD: {
if (p_inputs[0]->get_type() != Variant::STRING) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
return;
}
String str = *p_inputs[0];
if (str.length() != 1) {
r_error_str = RTR("Expected a string of length 1 (a character).");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
return;
}
*r_return = str.get(0);
} break;
case TEXT_STR: {
String str = *p_inputs[0];
*r_return = str;
} break;
case TEXT_PRINT: {
String str = *p_inputs[0];
print_line(str);
} break;
case TEXT_PRINTERR: {
String str = *p_inputs[0];
print_error(str);
} break;
case TEXT_PRINTRAW: {
String str = *p_inputs[0];
OS::get_singleton()->print("%s", str.utf8().get_data());
} break;
case VAR_TO_STR: {
String vars;
VariantWriter::write_to_string(*p_inputs[0], vars);
*r_return = vars;
} break;
case STR_TO_VAR: {
if (p_inputs[0]->get_type() != Variant::STRING) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
return;
}
VariantParser::StreamString ss;
ss.s = *p_inputs[0];
String errs;
int line;
Error err = VariantParser::parse(&ss, *r_return, errs, line);
if (err != OK) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
*r_return = "Parse error at line " + itos(line) + ": " + errs;
return;
}
} break;
case VAR_TO_BYTES: {
PackedByteArray barr;
bool full_objects = *p_inputs[1];
int len;
Error err = encode_variant(*p_inputs[0], nullptr, len, full_objects);
if (err) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::NIL;
r_error_str = "Unexpected error encoding variable to bytes, likely unserializable type found (Object or RID).";
return;
}
barr.resize(len);
{
uint8_t *w = barr.ptrw();
encode_variant(*p_inputs[0], w, len, full_objects);
}
*r_return = barr;
} break;
case BYTES_TO_VAR: {
if (p_inputs[0]->get_type() != Variant::PACKED_BYTE_ARRAY) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::PACKED_BYTE_ARRAY;
return;
}
PackedByteArray varr = *p_inputs[0];
bool allow_objects = *p_inputs[1];
Variant ret;
{
const uint8_t *r = varr.ptr();
Error err = decode_variant(ret, r, varr.size(), nullptr, allow_objects);
if (err != OK) {
r_error_str = RTR("Not enough bytes for decoding bytes, or invalid format.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::PACKED_BYTE_ARRAY;
return;
}
}
*r_return = ret;
} break;
case COLORN: {
VALIDATE_ARG_NUM(1);
Color color = Color::named(*p_inputs[0]);
color.a = *p_inputs[1];
*r_return = String(color);
} break;
default: {
}
}
}
////////
static bool _is_number(char32_t c) {
return (c >= '0' && c <= '9');
}
@@ -1092,18 +410,9 @@ Error Expression::_get_token(Token &r_token) {
} else if (id == "self") {
r_token.type = TK_SELF;
} else {
for (int i = 0; i < Variant::VARIANT_MAX; i++) {
if (id == Variant::get_type_name(Variant::Type(i))) {
r_token.type = TK_BASIC_TYPE;
r_token.value = i;
return OK;
}
}
BuiltinFunc bifunc = find_function(id);
if (bifunc != FUNC_MAX) {
if (Variant::has_builtin_func(id)) {
r_token.type = TK_BUILTIN_FUNC;
r_token.value = bifunc;
r_token.value = id;
return OK;
}
@@ -1401,6 +710,8 @@ Expression::ENode *Expression::_parse_expression() {
case TK_BUILTIN_FUNC: {
//builtin function
StringName func = tk.value;
_get_token(tk);
if (tk.type != TK_PARENTHESIS_OPEN) {
_set_error("Expected '('");
@@ -1408,7 +719,7 @@ Expression::ENode *Expression::_parse_expression() {
}
BuiltinFuncNode *bifunc = alloc_node<BuiltinFuncNode>();
bifunc->func = BuiltinFunc(int(tk.value));
bifunc->func = func;
while (true) {
int cofs = str_ofs;
@@ -1436,9 +747,11 @@ Expression::ENode *Expression::_parse_expression() {
}
}
int expected_args = get_func_argument_count(bifunc->func);
if (bifunc->arguments.size() != expected_args) {
_set_error("Builtin func '" + get_func_name(bifunc->func) + "' expects " + itos(expected_args) + " arguments.");
if (!Variant::is_builtin_func_vararg(bifunc->func)) {
int expected_args = Variant::get_builtin_func_argument_count(bifunc->func);
if (expected_args != bifunc->arguments.size()) {
_set_error("Builtin func '" + String(bifunc->func) + "' expects " + itos(expected_args) + " arguments.");
}
}
expr = bifunc;
@@ -2047,11 +1360,11 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
argp.write[i] = &arr[i];
}
r_ret = Variant(); //may not return anything
Callable::CallError ce;
exec_func(bifunc->func, (const Variant **)argp.ptr(), &r_ret, ce, r_error_str);
Variant::call_builtin_func(bifunc->func, &r_ret, (const Variant **)argp.ptr(), argp.size(), ce);
if (ce.error != Callable::CallError::CALL_OK) {
r_error_str = "Builtin Call Failed. " + r_error_str;
r_error_str = "Builtin Call Failed. " + Variant::get_call_error_text(bifunc->func, (const Variant **)argp.ptr(), argp.size(), ce);
return true;
}