mirror of
https://github.com/godotengine/godot
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127 lines
4.9 KiB
C++
127 lines
4.9 KiB
C++
/**************************************************************************/
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/* gdscript_utility_callable.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "gdscript_utility_callable.h"
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#include "core/templates/hashfuncs.h"
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bool GDScriptUtilityCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
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return p_a->hash() == p_b->hash();
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}
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bool GDScriptUtilityCallable::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) {
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return p_a->hash() < p_b->hash();
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}
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uint32_t GDScriptUtilityCallable::hash() const {
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return h;
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}
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String GDScriptUtilityCallable::get_as_text() const {
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String scope;
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switch (type) {
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case TYPE_INVALID:
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scope = "<invalid scope>";
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break;
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case TYPE_GLOBAL:
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scope = "@GlobalScope";
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break;
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case TYPE_GDSCRIPT:
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scope = "@GDScript";
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break;
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}
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return vformat("%s::%s (Callable)", scope, function_name);
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}
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CallableCustom::CompareEqualFunc GDScriptUtilityCallable::get_compare_equal_func() const {
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return compare_equal;
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}
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CallableCustom::CompareLessFunc GDScriptUtilityCallable::get_compare_less_func() const {
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return compare_less;
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}
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bool GDScriptUtilityCallable::is_valid() const {
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return type != TYPE_INVALID;
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}
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StringName GDScriptUtilityCallable::get_method() const {
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return function_name;
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}
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ObjectID GDScriptUtilityCallable::get_object() const {
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return ObjectID();
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}
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int GDScriptUtilityCallable::get_argument_count(bool &r_is_valid) const {
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switch (type) {
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case TYPE_INVALID:
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r_is_valid = false;
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return 0;
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case TYPE_GLOBAL:
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r_is_valid = true;
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return Variant::get_utility_function_argument_count(function_name);
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case TYPE_GDSCRIPT:
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r_is_valid = true;
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return GDScriptUtilityFunctions::get_function_argument_count(function_name);
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}
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ERR_FAIL_V_MSG(0, "Invalid type.");
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}
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void GDScriptUtilityCallable::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
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switch (type) {
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case TYPE_INVALID:
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r_return_value = vformat(R"(Trying to call invalid utility function "%s".)", function_name);
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r_call_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
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r_call_error.argument = 0;
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r_call_error.expected = 0;
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break;
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case TYPE_GLOBAL:
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Variant::call_utility_function(function_name, &r_return_value, p_arguments, p_argcount, r_call_error);
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break;
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case TYPE_GDSCRIPT:
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gdscript_function(&r_return_value, p_arguments, p_argcount, r_call_error);
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break;
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}
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}
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GDScriptUtilityCallable::GDScriptUtilityCallable(const StringName &p_function_name) {
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function_name = p_function_name;
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if (GDScriptUtilityFunctions::function_exists(p_function_name)) {
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type = TYPE_GDSCRIPT;
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gdscript_function = GDScriptUtilityFunctions::get_function(p_function_name);
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} else if (Variant::has_utility_function(p_function_name)) {
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type = TYPE_GLOBAL;
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} else {
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ERR_PRINT(vformat(R"(Unknown utility function "%s".)", p_function_name));
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}
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h = p_function_name.hash();
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}
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