When looking up a symbol from a library, previously an error was shown when the symbol did not exist. That caused confusion when the lookup was completely optional. This adds a new parameter to that method so that those errors can be handled manually if needed.
124 lines
4.8 KiB
C++
124 lines
4.8 KiB
C++
/*************************************************************************/
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/* register_types.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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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 "register_types.h"
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#include "io/resource_loader.h"
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#include "io/resource_saver.h"
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#include "nativescript.h"
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#include "core/os/os.h"
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NativeScriptLanguage *native_script_language;
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typedef void (*native_script_init_fn)(void *);
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void init_call_cb(void *p_handle, godot_string *p_proc_name, void *p_data, int p_num_args, void **args, void *r_ret) {
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if (p_handle == NULL) {
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ERR_PRINT("No valid library handle, can't call nativescript init procedure");
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return;
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}
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void *library_proc;
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Error err = OS::get_singleton()->get_dynamic_library_symbol_handle(
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p_handle,
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*(String *)p_proc_name,
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library_proc,
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true); // we print our own message
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if (err != OK) {
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ERR_PRINT((String("GDNative procedure \"" + *(String *)p_proc_name) + "\" does not exists and can't be called").utf8().get_data());
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return;
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}
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native_script_init_fn fn = (native_script_init_fn)library_proc;
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fn(args[0]);
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}
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#ifndef NO_THREADS
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typedef void (*native_script_empty_callback)();
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void thread_call_cb(void *p_handle, godot_string *p_proc_name, void *p_data, int p_num_args, void **args, void *r_ret) {
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if (p_handle == NULL) {
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ERR_PRINT("No valid library handle, can't call nativescript thread enter/exit callback");
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return;
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}
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void *library_proc;
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Error err = OS::get_singleton()->get_dynamic_library_symbol_handle(
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p_handle,
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*(String *)p_proc_name,
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library_proc,
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true);
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if (err != OK) {
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// it's fine if thread callbacks are not present in the library.
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return;
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}
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native_script_empty_callback fn = (native_script_empty_callback)library_proc;
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fn();
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}
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#endif // NO_THREADS
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ResourceFormatLoaderNativeScript *resource_loader_gdns = NULL;
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ResourceFormatSaverNativeScript *resource_saver_gdns = NULL;
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void register_nativescript_types() {
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native_script_language = memnew(NativeScriptLanguage);
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ClassDB::register_class<NativeScript>();
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ScriptServer::register_language(native_script_language);
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GDNativeCallRegistry::singleton->register_native_raw_call_type(native_script_language->_init_call_type, init_call_cb);
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#ifndef NO_THREADS
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GDNativeCallRegistry::singleton->register_native_raw_call_type(native_script_language->_thread_cb_call_type, thread_call_cb);
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#endif
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resource_saver_gdns = memnew(ResourceFormatSaverNativeScript);
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ResourceSaver::add_resource_format_saver(resource_saver_gdns);
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resource_loader_gdns = memnew(ResourceFormatLoaderNativeScript);
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ResourceLoader::add_resource_format_loader(resource_loader_gdns);
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}
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void unregister_nativescript_types() {
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memdelete(resource_loader_gdns);
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memdelete(resource_saver_gdns);
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if (native_script_language) {
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ScriptServer::unregister_language(native_script_language);
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memdelete(native_script_language);
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}
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}
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