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Diffstat (limited to 'modules/gdscript/gdscript_utility_functions.cpp')
| -rw-r--r-- | modules/gdscript/gdscript_utility_functions.cpp | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/modules/gdscript/gdscript_utility_functions.cpp b/modules/gdscript/gdscript_utility_functions.cpp new file mode 100644 index 0000000000..b1780446d0 --- /dev/null +++ b/modules/gdscript/gdscript_utility_functions.cpp @@ -0,0 +1,718 @@ +/*************************************************************************/ +/* 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; +} |