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godot/modules/gdscript/gdscript_utility_functions.cpp
Danil Alexeev 4dc568856a
GDScript: Rework GDScriptUtilityFunctions macros
2024-10-25 17:46:38 +03:00

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/**************************************************************************/
/* gdscript_utility_functions.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "gdscript_utility_functions.h"
#include "gdscript.h"
#include "core/io/resource_loader.h"
#include "core/object/class_db.h"
#include "core/object/object.h"
#include "core/templates/oa_hash_map.h"
#include "core/templates/vector.h"
#include "core/variant/typed_array.h"
#ifdef DEBUG_ENABLED
#define DEBUG_VALIDATE_ARG_COUNT(m_min_count, m_max_count) \
if (unlikely(p_arg_count < m_min_count)) { \
*r_ret = Variant(); \
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; \
r_error.expected = m_min_count; \
return; \
} \
if (unlikely(p_arg_count > m_max_count)) { \
*r_ret = Variant(); \
r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; \
r_error.expected = m_max_count; \
return; \
}
#define DEBUG_VALIDATE_ARG_TYPE(m_arg, m_type) \
if (unlikely(!Variant::can_convert_strict(p_args[m_arg]->get_type(), m_type))) { \
*r_ret = Variant(); \
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; \
r_error.argument = m_arg; \
r_error.expected = m_type; \
return; \
}
#define DEBUG_VALIDATE_ARG_CUSTOM(m_arg, m_type, m_cond, m_msg) \
if (unlikely(m_cond)) { \
*r_ret = m_msg; \
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; \
r_error.argument = m_arg; \
r_error.expected = m_type; \
return; \
}
#else // !DEBUG_ENABLED
#define DEBUG_VALIDATE_ARG_COUNT(m_min_count, m_max_count)
#define DEBUG_VALIDATE_ARG_TYPE(m_arg, m_type)
#define DEBUG_VALIDATE_ARG_CUSTOM(m_arg, m_type, m_cond, m_msg)
#endif // DEBUG_ENABLED
#define VALIDATE_ARG_CUSTOM(m_arg, m_type, m_cond, m_msg) \
if (unlikely(m_cond)) { \
*r_ret = m_msg; \
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; \
r_error.argument = m_arg; \
r_error.expected = m_type; \
return; \
}
#define GDFUNC_FAIL_COND_MSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
*r_ret = m_msg; \
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD; \
return; \
}
struct GDScriptUtilityFunctionsDefinitions {
#ifndef DISABLE_DEPRECATED
static inline void convert(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(2, 2);
DEBUG_VALIDATE_ARG_TYPE(1, Variant::INT);
int type = *p_args[1];
DEBUG_VALIDATE_ARG_CUSTOM(1, Variant::INT, type < 0 || type >= Variant::VARIANT_MAX,
RTR("Invalid type argument to convert(), use TYPE_* constants."));
Variant::construct(Variant::Type(type), *r_ret, p_args, 1, r_error);
}
#endif // DISABLE_DEPRECATED
static inline void type_exists(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(1, 1);
DEBUG_VALIDATE_ARG_TYPE(0, Variant::STRING_NAME);
*r_ret = ClassDB::class_exists(*p_args[0]);
}
static inline void _char(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(1, 1);
DEBUG_VALIDATE_ARG_TYPE(0, Variant::INT);
char32_t result[2] = { *p_args[0], 0 };
*r_ret = String(result);
}
static inline void range(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(1, 3);
switch (p_arg_count) {
case 1: {
DEBUG_VALIDATE_ARG_TYPE(0, Variant::INT);
int count = *p_args[0];
Array arr;
if (count <= 0) {
*r_ret = arr;
return;
}
Error err = arr.resize(count);
GDFUNC_FAIL_COND_MSG(err != OK, RTR("Cannot resize array."));
for (int i = 0; i < count; i++) {
arr[i] = i;
}
*r_ret = arr;
} break;
case 2: {
DEBUG_VALIDATE_ARG_TYPE(0, Variant::INT);
DEBUG_VALIDATE_ARG_TYPE(1, Variant::INT);
int from = *p_args[0];
int to = *p_args[1];
Array arr;
if (from >= to) {
*r_ret = arr;
return;
}
Error err = arr.resize(to - from);
GDFUNC_FAIL_COND_MSG(err != OK, RTR("Cannot resize array."));
for (int i = from; i < to; i++) {
arr[i - from] = i;
}
*r_ret = arr;
} break;
case 3: {
DEBUG_VALIDATE_ARG_TYPE(0, Variant::INT);
DEBUG_VALIDATE_ARG_TYPE(1, Variant::INT);
DEBUG_VALIDATE_ARG_TYPE(2, Variant::INT);
int from = *p_args[0];
int to = *p_args[1];
int incr = *p_args[2];
VALIDATE_ARG_CUSTOM(2, Variant::INT, incr == 0, RTR("Step argument is zero!"));
Array arr;
if (from >= to && incr > 0) {
*r_ret = arr;
return;
}
if (from <= to && incr < 0) {
*r_ret = arr;
return;
}
// Calculate how many.
int count = 0;
if (incr > 0) {
count = Math::division_round_up(to - from, incr);
} else {
count = Math::division_round_up(from - to, -incr);
}
Error err = arr.resize(count);
GDFUNC_FAIL_COND_MSG(err != OK, RTR("Cannot resize array."));
if (incr > 0) {
int idx = 0;
for (int i = from; i < to; i += incr) {
arr[idx++] = i;
}
} else {
int idx = 0;
for (int i = from; i > to; i += incr) {
arr[idx++] = i;
}
}
*r_ret = arr;
} break;
}
}
static inline void load(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(1, 1);
DEBUG_VALIDATE_ARG_TYPE(0, Variant::STRING);
*r_ret = ResourceLoader::load(*p_args[0]);
}
static inline void inst_to_dict(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(1, 1);
DEBUG_VALIDATE_ARG_TYPE(0, Variant::OBJECT);
if (p_args[0]->get_type() == Variant::NIL) {
*r_ret = Variant();
return;
}
Object *obj = *p_args[0];
if (!obj) {
*r_ret = Variant();
return;
}
VALIDATE_ARG_CUSTOM(0, Variant::OBJECT,
!obj->get_script_instance() || obj->get_script_instance()->get_language() != GDScriptLanguage::get_singleton(),
RTR("Not a script with an instance."));
GDScriptInstance *inst = static_cast<GDScriptInstance *>(obj->get_script_instance());
Ref<GDScript> base = inst->get_script();
VALIDATE_ARG_CUSTOM(0, Variant::OBJECT, base.is_null(), RTR("Not based on a script."));
GDScript *p = base.ptr();
String path = p->get_script_path();
Vector<StringName> sname;
while (p->_owner) {
sname.push_back(p->local_name);
p = p->_owner;
}
sname.reverse();
VALIDATE_ARG_CUSTOM(0, Variant::OBJECT, !path.is_resource_file(), RTR("Not based on a resource file."));
NodePath cp(sname, Vector<StringName>(), false);
Dictionary d;
d["@subpath"] = cp;
d["@path"] = path;
for (const KeyValue<StringName, GDScript::MemberInfo> &E : base->member_indices) {
if (!d.has(E.key)) {
d[E.key] = inst->members[E.value.index];
}
}
*r_ret = d;
}
static inline void dict_to_inst(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(1, 1);
DEBUG_VALIDATE_ARG_TYPE(0, Variant::DICTIONARY);
Dictionary d = *p_args[0];
VALIDATE_ARG_CUSTOM(0, Variant::DICTIONARY, !d.has("@path"), RTR("Invalid instance dictionary format (missing @path)."));
Ref<Script> scr = ResourceLoader::load(d["@path"]);
VALIDATE_ARG_CUSTOM(0, Variant::DICTIONARY, !scr.is_valid(), RTR("Invalid instance dictionary format (can't load script at @path)."));
Ref<GDScript> gdscr = scr;
VALIDATE_ARG_CUSTOM(0, Variant::DICTIONARY, !gdscr.is_valid(), RTR("Invalid instance dictionary format (invalid script at @path)."));
NodePath sub;
if (d.has("@subpath")) {
sub = d["@subpath"];
}
for (int i = 0; i < sub.get_name_count(); i++) {
gdscr = gdscr->subclasses[sub.get_name(i)];
VALIDATE_ARG_CUSTOM(0, Variant::DICTIONARY, !gdscr.is_valid(), RTR("Invalid instance dictionary (invalid subclasses)."));
}
*r_ret = gdscr->_new(nullptr, -1 /* skip initializer */, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
*r_ret = RTR("Cannot instantiate GDScript class.");
return;
}
GDScriptInstance *inst = static_cast<GDScriptInstance *>(static_cast<Object *>(*r_ret)->get_script_instance());
Ref<GDScript> gd_ref = inst->get_script();
for (KeyValue<StringName, GDScript::MemberInfo> &E : gd_ref->member_indices) {
if (d.has(E.key)) {
inst->members.write[E.value.index] = d[E.key];
}
}
}
static inline void Color8(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(3, 4);
DEBUG_VALIDATE_ARG_TYPE(0, Variant::INT);
DEBUG_VALIDATE_ARG_TYPE(1, Variant::INT);
DEBUG_VALIDATE_ARG_TYPE(2, Variant::INT);
Color color((int64_t)*p_args[0] / 255.0f, (int64_t)*p_args[1] / 255.0f, (int64_t)*p_args[2] / 255.0f);
if (p_arg_count == 4) {
DEBUG_VALIDATE_ARG_TYPE(3, Variant::INT);
color.a = (int64_t)*p_args[3] / 255.0f;
}
*r_ret = color;
}
static inline void print_debug(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
String s;
for (int i = 0; i < p_arg_count; i++) {
s += p_args[i]->operator String();
}
if (Thread::get_caller_id() == Thread::get_main_id()) {
ScriptLanguage *script = GDScriptLanguage::get_singleton();
if (script->debug_get_stack_level_count() > 0) {
s += "\n At: " + script->debug_get_stack_level_source(0) + ":" + itos(script->debug_get_stack_level_line(0)) + ":" + script->debug_get_stack_level_function(0) + "()";
}
} else {
s += "\n At: Cannot retrieve debug info outside the main thread. Thread ID: " + itos(Thread::get_caller_id());
}
print_line(s);
*r_ret = Variant();
}
static inline void print_stack(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(0, 0);
if (Thread::get_caller_id() != Thread::get_main_id()) {
print_line("Cannot retrieve debug info outside the main thread. Thread ID: " + itos(Thread::get_caller_id()));
return;
}
ScriptLanguage *script = GDScriptLanguage::get_singleton();
for (int i = 0; i < script->debug_get_stack_level_count(); i++) {
print_line("Frame " + itos(i) + " - " + script->debug_get_stack_level_source(i) + ":" + itos(script->debug_get_stack_level_line(i)) + " in function '" + script->debug_get_stack_level_function(i) + "'");
};
*r_ret = Variant();
}
static inline void get_stack(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(0, 0);
if (Thread::get_caller_id() != Thread::get_main_id()) {
*r_ret = TypedArray<Dictionary>();
return;
}
ScriptLanguage *script = GDScriptLanguage::get_singleton();
TypedArray<Dictionary> ret;
for (int i = 0; i < script->debug_get_stack_level_count(); i++) {
Dictionary frame;
frame["source"] = script->debug_get_stack_level_source(i);
frame["function"] = script->debug_get_stack_level_function(i);
frame["line"] = script->debug_get_stack_level_line(i);
ret.push_back(frame);
};
*r_ret = ret;
}
static inline void len(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(1, 1);
switch (p_args[0]->get_type()) {
case Variant::STRING:
case Variant::STRING_NAME: {
String d = *p_args[0];
*r_ret = d.length();
} break;
case Variant::DICTIONARY: {
Dictionary d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::ARRAY: {
Array d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_BYTE_ARRAY: {
Vector<uint8_t> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_INT32_ARRAY: {
Vector<int32_t> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_INT64_ARRAY: {
Vector<int64_t> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_FLOAT32_ARRAY: {
Vector<float> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_FLOAT64_ARRAY: {
Vector<double> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_STRING_ARRAY: {
Vector<String> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_VECTOR2_ARRAY: {
Vector<Vector2> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_VECTOR3_ARRAY: {
Vector<Vector3> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_COLOR_ARRAY: {
Vector<Color> d = *p_args[0];
*r_ret = d.size();
} break;
case Variant::PACKED_VECTOR4_ARRAY: {
Vector<Vector4> d = *p_args[0];
*r_ret = d.size();
} break;
default: {
*r_ret = vformat(RTR("Value of type '%s' can't provide a length."), Variant::get_type_name(p_args[0]->get_type()));
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::NIL;
} break;
}
}
static inline void is_instance_of(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
DEBUG_VALIDATE_ARG_COUNT(2, 2);
if (p_args[1]->get_type() == Variant::INT) {
int builtin_type = *p_args[1];
DEBUG_VALIDATE_ARG_CUSTOM(1, Variant::NIL, builtin_type < 0 || builtin_type >= Variant::VARIANT_MAX,
RTR("Invalid type argument for is_instance_of(), use TYPE_* constants for built-in types."));
*r_ret = p_args[0]->get_type() == builtin_type;
return;
}
bool was_type_freed = false;
Object *type_object = p_args[1]->get_validated_object_with_check(was_type_freed);
VALIDATE_ARG_CUSTOM(1, Variant::NIL, was_type_freed, RTR("Type argument is a previously freed instance."));
VALIDATE_ARG_CUSTOM(1, Variant::NIL, !type_object,
RTR("Invalid type argument for is_instance_of(), should be a TYPE_* constant, a class or a script."));
bool was_value_freed = false;
Object *value_object = p_args[0]->get_validated_object_with_check(was_value_freed);
VALIDATE_ARG_CUSTOM(0, Variant::NIL, was_value_freed, RTR("Value argument is a previously freed instance."));
if (!value_object) {
*r_ret = false;
return;
}
GDScriptNativeClass *native_type = Object::cast_to<GDScriptNativeClass>(type_object);
if (native_type) {
*r_ret = ClassDB::is_parent_class(value_object->get_class_name(), native_type->get_name());
return;
}
Script *script_type = Object::cast_to<Script>(type_object);
if (script_type) {
bool result = false;
if (value_object->get_script_instance()) {
Script *script_ptr = value_object->get_script_instance()->get_script().ptr();
while (script_ptr) {
if (script_ptr == script_type) {
result = true;
break;
}
script_ptr = script_ptr->get_base_script().ptr();
}
}
*r_ret = result;
return;
}
*r_ret = RTR("Invalid type argument for is_instance_of(), should be a TYPE_* constant, a class or a script.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 1;
r_error.expected = Variant::NIL;
}
};
struct GDScriptUtilityFunctionInfo {
GDScriptUtilityFunctions::FunctionPtr function = nullptr;
MethodInfo info;
bool is_constant = false;
};
static OAHashMap<StringName, GDScriptUtilityFunctionInfo> utility_function_table;
static List<StringName> utility_function_name_table;
static void _register_function(const StringName &p_name, const MethodInfo &p_method_info, GDScriptUtilityFunctions::FunctionPtr p_function, bool p_is_const) {
ERR_FAIL_COND(utility_function_table.has(p_name));
GDScriptUtilityFunctionInfo function;
function.function = p_function;
function.info = p_method_info;
function.is_constant = p_is_const;
utility_function_table.insert(p_name, function);
utility_function_name_table.push_back(p_name);
}
#define REGISTER_FUNC(m_func, m_is_const, m_return, m_args, m_is_vararg, m_default_args) \
{ \
String name(#m_func); \
if (name.begins_with("_")) { \
name = name.substr(1); \
} \
MethodInfo info = m_args; \
info.name = name; \
info.return_val = m_return; \
info.default_arguments = m_default_args; \
if (m_is_vararg) { \
info.flags |= METHOD_FLAG_VARARG; \
} \
_register_function(name, info, GDScriptUtilityFunctionsDefinitions::m_func, m_is_const); \
}
#define RET(m_type) \
PropertyInfo(Variant::m_type, "")
#define RETVAR \
PropertyInfo(Variant::NIL, "", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT)
#define RETCLS(m_class) \
PropertyInfo(Variant::OBJECT, "", PROPERTY_HINT_RESOURCE_TYPE, m_class)
#define NOARGS \
MethodInfo()
#define ARGS(...) \
MethodInfo("", __VA_ARGS__)
#define ARG(m_name, m_type) \
PropertyInfo(Variant::m_type, m_name)
#define ARGVAR(m_name) \
PropertyInfo(Variant::NIL, m_name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT)
#define ARGTYPE(m_name) \
PropertyInfo(Variant::INT, m_name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_CLASS_IS_ENUM, "Variant.Type")
void GDScriptUtilityFunctions::register_functions() {
/* clang-format off */
#ifndef DISABLE_DEPRECATED
REGISTER_FUNC( convert, true, RETVAR, ARGS( ARGVAR("what"), ARGTYPE("type") ), false, varray( ));
#endif // DISABLE_DEPRECATED
REGISTER_FUNC( type_exists, true, RET(BOOL), ARGS( ARG("type", STRING_NAME) ), false, varray( ));
REGISTER_FUNC( _char, true, RET(STRING), ARGS( ARG("char", INT) ), false, varray( ));
REGISTER_FUNC( range, false, RET(ARRAY), NOARGS, true, varray( ));
REGISTER_FUNC( load, false, RETCLS("Resource"), ARGS( ARG("path", STRING) ), false, varray( ));
REGISTER_FUNC( inst_to_dict, false, RET(DICTIONARY), ARGS( ARG("instance", OBJECT) ), false, varray( ));
REGISTER_FUNC( dict_to_inst, false, RET(OBJECT), ARGS( ARG("dictionary", DICTIONARY) ), false, varray( ));
REGISTER_FUNC( Color8, true, RET(COLOR), ARGS( ARG("r8", INT), ARG("g8", INT),
ARG("b8", INT), ARG("a8", INT) ), false, varray( 255 ));
REGISTER_FUNC( print_debug, false, RET(NIL), NOARGS, true, varray( ));
REGISTER_FUNC( print_stack, false, RET(NIL), NOARGS, false, varray( ));
REGISTER_FUNC( get_stack, false, RET(ARRAY), NOARGS, false, varray( ));
REGISTER_FUNC( len, true, RET(INT), ARGS( ARGVAR("var") ), false, varray( ));
REGISTER_FUNC( is_instance_of, true, RET(BOOL), ARGS( ARGVAR("value"), ARGVAR("type") ), false, varray( ));
/* clang-format on */
}
void GDScriptUtilityFunctions::unregister_functions() {
utility_function_name_table.clear();
utility_function_table.clear();
}
GDScriptUtilityFunctions::FunctionPtr GDScriptUtilityFunctions::get_function(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, nullptr);
return info->function;
}
bool GDScriptUtilityFunctions::has_function_return_value(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, false);
return info->info.return_val.type != Variant::NIL || bool(info->info.return_val.usage & PROPERTY_USAGE_NIL_IS_VARIANT);
}
Variant::Type GDScriptUtilityFunctions::get_function_return_type(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, Variant::NIL);
return info->info.return_val.type;
}
StringName GDScriptUtilityFunctions::get_function_return_class(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, StringName());
return info->info.return_val.class_name;
}
Variant::Type GDScriptUtilityFunctions::get_function_argument_type(const StringName &p_function, int p_arg) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, Variant::NIL);
ERR_FAIL_COND_V(p_arg >= info->info.arguments.size(), Variant::NIL);
return info->info.arguments.get(p_arg).type;
}
int GDScriptUtilityFunctions::get_function_argument_count(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, 0);
return info->info.arguments.size();
}
bool GDScriptUtilityFunctions::is_function_vararg(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, false);
return (bool)(info->info.flags & METHOD_FLAG_VARARG);
}
bool GDScriptUtilityFunctions::is_function_constant(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, false);
return info->is_constant;
}
bool GDScriptUtilityFunctions::function_exists(const StringName &p_function) {
return utility_function_table.has(p_function);
}
void GDScriptUtilityFunctions::get_function_list(List<StringName> *r_functions) {
for (const StringName &E : utility_function_name_table) {
r_functions->push_back(E);
}
}
MethodInfo GDScriptUtilityFunctions::get_function_info(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_NULL_V(info, MethodInfo());
return info->info;
}
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