/*************************************************************************/ /* gdextension_export_plugin.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 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. */ /*************************************************************************/ #ifndef GDEXTENSION_EXPORT_PLUGIN_H #define GDEXTENSION_EXPORT_PLUGIN_H #include "editor/export/editor_export.h" class GDExtensionExportPlugin : public EditorExportPlugin { protected: virtual void _export_file(const String &p_path, const String &p_type, const HashSet<String> &p_features); virtual String _get_name() const { return "GDExtension"; } }; void GDExtensionExportPlugin::_export_file(const String &p_path, const String &p_type, const HashSet<String> &p_features) { if (p_type != "NativeExtension") { return; } Ref<ConfigFile> config; config.instantiate(); Error err = config->load(p_path); ERR_FAIL_COND_MSG(err, "Failed to load GDExtension file: " + p_path); ERR_FAIL_COND_MSG(!config->has_section_key("configuration", "entry_symbol"), "Failed to export GDExtension file, missing entry symbol: " + p_path); String entry_symbol = config->get_value("configuration", "entry_symbol"); List<String> libraries; config->get_section_keys("libraries", &libraries); bool could_export = false; for (const String &E : libraries) { Vector<String> tags = E.split("."); bool all_tags_met = true; for (int i = 0; i < tags.size(); i++) { String tag = tags[i].strip_edges(); if (!p_features.has(tag)) { all_tags_met = false; break; } } if (all_tags_met) { String library_path = config->get_value("libraries", E); if (!library_path.begins_with("res://")) { print_line("Skipping export of out-of-project library " + library_path); continue; } add_shared_object(library_path, tags); if (p_features.has("iOS") && (library_path.ends_with(".a") || library_path.ends_with(".xcframework"))) { String additional_code = "extern void register_dynamic_symbol(char *name, void *address);\n" "extern void add_ios_init_callback(void (*cb)());\n" "\n" "extern \"C\" void $ENTRY();\n" "void $ENTRY_init() {\n" " if (&$ENTRY) register_dynamic_symbol((char *)\"$ENTRY\", (void *)$ENTRY);\n" "}\n" "struct $ENTRY_struct {\n" " $ENTRY_struct() {\n" " add_ios_init_callback($ENTRY_init);\n" " }\n" "};\n" "$ENTRY_struct $ENTRY_struct_instance;\n\n"; additional_code = additional_code.replace("$ENTRY", entry_symbol); add_ios_cpp_code(additional_code); String linker_flags = "-Wl,-U,_" + entry_symbol; add_ios_linker_flags(linker_flags); } could_export = true; break; } } if (!could_export) { Vector<String> tags; for (const String &E : p_features) { tags.append(E); } ERR_FAIL_MSG(vformat("No suitable library found. The libraries' tags referred to an invalid feature flag. Possible feature flags for your platform: %s", p_path, String(", ").join(tags))); } List<String> dependencies; if (config->has_section("dependencies")) { config->get_section_keys("dependencies", &dependencies); } for (const String &E : libraries) { Vector<String> tags = E.split("."); bool all_tags_met = true; for (int i = 0; i < tags.size(); i++) { String tag = tags[i].strip_edges(); if (!p_features.has(tag)) { all_tags_met = false; break; } } if (all_tags_met) { Dictionary dependency = config->get_value("dependencies", E); for (const Variant *key = dependency.next(nullptr); key; key = dependency.next(key)) { String library_path = *key; String target_path = dependency[*key]; if (!library_path.begins_with("res://")) { print_line("Skipping export of out-of-project library " + library_path); continue; } add_shared_object(library_path, tags, target_path); } break; } } } #endif // GDEXTENSION_EXPORT_PLUGIN_H