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godot/modules/gdscript/gdscript_utility_functions.cpp

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/*************************************************************************/
/* gdscript_utility_functions.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "core/io/resource_loader.h"
#include "core/object/class_db.h"
#include "core/object/method_bind.h"
#include "core/object/object.h"
#include "core/templates/oa_hash_map.h"
#include "core/templates/vector.h"
#include "gdscript.h"
#ifdef DEBUG_ENABLED
#define VALIDATE_ARG_COUNT(m_count) \
if (p_arg_count < m_count) { \
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; \
r_error.argument = m_count; \
r_error.expected = m_count; \
*r_ret = Variant(); \
return; \
} \
if (p_arg_count > m_count) { \
r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; \
r_error.argument = m_count; \
r_error.expected = m_count; \
*r_ret = Variant(); \
return; \
}
#define VALIDATE_ARG_INT(m_arg) \
if (p_args[m_arg]->get_type() != Variant::INT) { \
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; \
r_error.argument = m_arg; \
r_error.expected = Variant::INT; \
*r_ret = Variant(); \
return; \
}
#define VALIDATE_ARG_NUM(m_arg) \
if (!p_args[m_arg]->is_num()) { \
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; \
r_error.argument = m_arg; \
r_error.expected = Variant::FLOAT; \
*r_ret = Variant(); \
return; \
}
#else
#define VALIDATE_ARG_COUNT(m_count)
#define VALIDATE_ARG_INT(m_arg)
#define VALIDATE_ARG_NUM(m_arg)
#endif
struct GDScriptUtilityFunctionsDefinitions {
static inline void convert(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(2);
VALIDATE_ARG_INT(1);
int type = *p_args[1];
if (type < 0 || type >= Variant::VARIANT_MAX) {
*r_ret = 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_ret, p_args, 1, r_error);
}
}
static inline void type_exists(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(1);
*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) {
VALIDATE_ARG_COUNT(1);
VALIDATE_ARG_INT(0);
char32_t result[2] = { *p_args[0], 0 };
*r_ret = String(result);
}
static inline void str(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
if (p_arg_count < 1) {
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = 1;
*r_ret = Variant();
return;
}
String str;
for (int i = 0; i < p_arg_count; i++) {
String os = p_args[i]->operator String();
if (i == 0) {
str = os;
} else {
str += os;
}
}
*r_ret = str;
}
static inline void range(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
switch (p_arg_count) {
case 0: {
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = 1;
r_error.expected = 1;
*r_ret = Variant();
} break;
case 1: {
VALIDATE_ARG_NUM(0);
int count = *p_args[0];
Array arr;
if (count <= 0) {
*r_ret = arr;
return;
}
Error err = arr.resize(count);
if (err != OK) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
*r_ret = Variant();
return;
}
for (int i = 0; i < count; i++) {
arr[i] = i;
}
*r_ret = arr;
} break;
case 2: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
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);
if (err != OK) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
*r_ret = Variant();
return;
}
for (int i = from; i < to; i++) {
arr[i - from] = i;
}
*r_ret = arr;
} break;
case 3: {
VALIDATE_ARG_NUM(0);
VALIDATE_ARG_NUM(1);
VALIDATE_ARG_NUM(2);
int from = *p_args[0];
int to = *p_args[1];
int incr = *p_args[2];
if (incr == 0) {
*r_ret = RTR("Step argument is zero!");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
return;
}
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 = ((to - from - 1) / incr) + 1;
} else {
count = ((from - to - 1) / -incr) + 1;
}
Error err = arr.resize(count);
if (err != OK) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
*r_ret = Variant();
return;
}
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;
default: {
r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_error.argument = 3;
r_error.expected = 3;
*r_ret = Variant();
} break;
}
}
static inline void load(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(1);
if (p_args[0]->get_type() != Variant::STRING) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
*r_ret = Variant();
} else {
*r_ret = ResourceLoader::load(*p_args[0]);
}
}
static inline void inst2dict(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(1);
if (p_args[0]->get_type() == Variant::NIL) {
*r_ret = Variant();
} else if (p_args[0]->get_type() != Variant::OBJECT) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
*r_ret = Variant();
} else {
Object *obj = *p_args[0];
if (!obj) {
*r_ret = Variant();
} else if (!obj->get_script_instance() || obj->get_script_instance()->get_language() != GDScriptLanguage::get_singleton()) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::DICTIONARY;
*r_ret = RTR("Not a script with an instance");
return;
} else {
GDScriptInstance *ins = static_cast<GDScriptInstance *>(obj->get_script_instance());
Ref<GDScript> base = ins->get_script();
if (base.is_null()) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::DICTIONARY;
*r_ret = RTR("Not based on a script");
return;
}
GDScript *p = base.ptr();
Vector<StringName> sname;
while (p->_owner) {
sname.push_back(p->name);
p = p->_owner;
}
sname.invert();
if (!p->path.is_resource_file()) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::DICTIONARY;
*r_ret = Variant();
*r_ret = RTR("Not based on a resource file");
return;
}
NodePath cp(sname, Vector<StringName>(), false);
Dictionary d;
d["@subpath"] = cp;
d["@path"] = p->get_path();
for (Map<StringName, GDScript::MemberInfo>::Element *E = base->member_indices.front(); E; E = E->next()) {
if (!d.has(E->key())) {
d[E->key()] = ins->members[E->get().index];
}
}
*r_ret = d;
}
}
}
static inline void dict2inst(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(1);
if (p_args[0]->get_type() != Variant::DICTIONARY) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::DICTIONARY;
*r_ret = Variant();
return;
}
Dictionary d = *p_args[0];
if (!d.has("@path")) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::OBJECT;
*r_ret = RTR("Invalid instance dictionary format (missing @path)");
return;
}
Ref<Script> scr = ResourceLoader::load(d["@path"]);
if (!scr.is_valid()) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::OBJECT;
*r_ret = RTR("Invalid instance dictionary format (can't load script at @path)");
return;
}
Ref<GDScript> gdscr = scr;
if (!gdscr.is_valid()) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::OBJECT;
*r_ret = Variant();
*r_ret = RTR("Invalid instance dictionary format (invalid script at @path)");
return;
}
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)];
if (!gdscr.is_valid()) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::OBJECT;
*r_ret = Variant();
*r_ret = RTR("Invalid instance dictionary (invalid subclasses)");
return;
}
}
*r_ret = gdscr->_new(nullptr, -1 /*skip initializer*/, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
*r_ret = Variant();
return;
}
GDScriptInstance *ins = static_cast<GDScriptInstance *>(static_cast<Object *>(*r_ret)->get_script_instance());
Ref<GDScript> gd_ref = ins->get_script();
for (Map<StringName, GDScript::MemberInfo>::Element *E = gd_ref->member_indices.front(); E; E = E->next()) {
if (d.has(E->key())) {
ins->members.write[E->get().index] = d[E->key()];
}
}
}
static inline void Color8(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
if (p_arg_count < 3) {
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = 3;
*r_ret = Variant();
return;
}
if (p_arg_count > 4) {
r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_error.argument = 4;
*r_ret = Variant();
return;
}
VALIDATE_ARG_INT(0);
VALIDATE_ARG_INT(1);
VALIDATE_ARG_INT(2);
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) {
VALIDATE_ARG_INT(3);
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 str;
for (int i = 0; i < p_arg_count; i++) {
str += p_args[i]->operator String();
}
ScriptLanguage *script = GDScriptLanguage::get_singleton();
if (script->debug_get_stack_level_count() > 0) {
str += "\n At: " + script->debug_get_stack_level_source(0) + ":" + itos(script->debug_get_stack_level_line(0)) + ":" + script->debug_get_stack_level_function(0) + "()";
}
print_line(str);
*r_ret = Variant();
}
static inline void print_stack(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(0);
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) + "'");
};
}
static inline void get_stack(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(0);
ScriptLanguage *script = GDScriptLanguage::get_singleton();
Array 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) {
VALIDATE_ARG_COUNT(1);
switch (p_args[0]->get_type()) {
case Variant::STRING: {
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;
default: {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::NIL;
*r_ret = vformat(RTR("Value of type '%s' can't provide a length."), Variant::get_type_name(p_args[0]->get_type()));
}
}
}
};
struct GDScriptUtilityFunctionInfo {
GDScriptUtilityFunctions::FunctionPtr function;
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 String &p_name, const MethodInfo &p_method_info, GDScriptUtilityFunctions::FunctionPtr p_function, bool p_is_const) {
StringName sname(p_name);
ERR_FAIL_COND(utility_function_table.has(sname));
GDScriptUtilityFunctionInfo function;
function.function = p_function;
function.info = p_method_info;
function.is_constant = p_is_const;
utility_function_table.insert(sname, function);
utility_function_name_table.push_back(sname);
}
#define REGISTER_FUNC(m_func, m_is_const, m_return_type, ...) \
{ \
String name(#m_func); \
if (name.begins_with("_")) { \
name = name.substr(1, name.length() - 1); \
} \
MethodInfo info = MethodInfo(name, __VA_ARGS__); \
info.return_val.type = m_return_type; \
_register_function(name, info, GDScriptUtilityFunctionsDefinitions::m_func, m_is_const); \
}
#define REGISTER_FUNC_NO_ARGS(m_func, m_is_const, m_return_type) \
{ \
String name(#m_func); \
if (name.begins_with("_")) { \
name = name.substr(1, name.length() - 1); \
} \
MethodInfo info = MethodInfo(name); \
info.return_val.type = m_return_type; \
_register_function(name, info, GDScriptUtilityFunctionsDefinitions::m_func, m_is_const); \
}
#define REGISTER_VARARG_FUNC(m_func, m_is_const, m_return_type) \
{ \
String name(#m_func); \
if (name.begins_with("_")) { \
name = name.substr(1, name.length() - 1); \
} \
MethodInfo info = MethodInfo(name); \
info.return_val.type = m_return_type; \
info.flags |= METHOD_FLAG_VARARG; \
_register_function(name, info, GDScriptUtilityFunctionsDefinitions::m_func, m_is_const); \
}
#define REGISTER_VARIANT_FUNC(m_func, m_is_const, ...) \
{ \
String name(#m_func); \
if (name.begins_with("_")) { \
name = name.substr(1, name.length() - 1); \
} \
MethodInfo info = MethodInfo(name, __VA_ARGS__); \
info.return_val.type = Variant::NIL; \
info.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT; \
_register_function(name, info, GDScriptUtilityFunctionsDefinitions::m_func, m_is_const); \
}
#define REGISTER_CLASS_FUNC(m_func, m_is_const, m_return_type, ...) \
{ \
String name(#m_func); \
if (name.begins_with("_")) { \
name = name.substr(1, name.length() - 1); \
} \
MethodInfo info = MethodInfo(name, __VA_ARGS__); \
info.return_val.type = Variant::OBJECT; \
info.return_val.hint = PROPERTY_HINT_RESOURCE_TYPE; \
info.return_val.class_name = m_return_type; \
_register_function(name, info, GDScriptUtilityFunctionsDefinitions::m_func, m_is_const); \
}
#define REGISTER_FUNC_DEF(m_func, m_is_const, m_default, m_return_type, ...) \
{ \
String name(#m_func); \
if (name.begins_with("_")) { \
name = name.substr(1, name.length() - 1); \
} \
MethodInfo info = MethodInfo(name, __VA_ARGS__); \
info.return_val.type = m_return_type; \
info.default_arguments.push_back(m_default); \
_register_function(name, info, GDScriptUtilityFunctionsDefinitions::m_func, m_is_const); \
}
#define ARG(m_name, m_type) \
PropertyInfo(m_type, m_name)
#define VARARG(m_name) \
PropertyInfo(Variant::NIL, m_name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT)
void GDScriptUtilityFunctions::register_functions() {
REGISTER_VARIANT_FUNC(convert, true, VARARG("what"), ARG("type", Variant::INT));
REGISTER_FUNC(type_exists, true, Variant::BOOL, ARG("type", Variant::STRING_NAME));
REGISTER_FUNC(_char, true, Variant::STRING, ARG("char", Variant::INT));
REGISTER_VARARG_FUNC(str, true, Variant::STRING);
REGISTER_VARARG_FUNC(range, false, Variant::ARRAY);
REGISTER_CLASS_FUNC(load, false, "Resource", ARG("path", Variant::STRING));
REGISTER_FUNC(inst2dict, false, Variant::DICTIONARY, ARG("instance", Variant::OBJECT));
REGISTER_FUNC(dict2inst, false, Variant::OBJECT, ARG("dictionary", Variant::DICTIONARY));
REGISTER_FUNC_DEF(Color8, true, 255, Variant::COLOR, ARG("r8", Variant::INT), ARG("g8", Variant::INT), ARG("b8", Variant::INT), ARG("a8", Variant::INT));
REGISTER_VARARG_FUNC(print_debug, false, Variant::NIL);
REGISTER_FUNC_NO_ARGS(print_stack, false, Variant::NIL);
REGISTER_FUNC_NO_ARGS(get_stack, false, Variant::ARRAY);
REGISTER_FUNC(len, true, Variant::INT, VARARG("var"));
}
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_COND_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_COND_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_COND_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_COND_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_COND_V(!info, Variant::NIL);
ERR_FAIL_COND_V(p_arg >= info->info.arguments.size(), Variant::NIL);
return info->info.arguments[p_arg].type;
}
int GDScriptUtilityFunctions::get_function_argument_count(const StringName &p_function, int p_arg) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_COND_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_COND_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_COND_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 List<StringName>::Element *E = utility_function_name_table.front(); E; E = E->next()) {
r_functions->push_back(E->get());
}
}
MethodInfo GDScriptUtilityFunctions::get_function_info(const StringName &p_function) {
GDScriptUtilityFunctionInfo *info = utility_function_table.lookup_ptr(p_function);
ERR_FAIL_COND_V(!info, MethodInfo());
return info->info;
}
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