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Implement GDExtension export plugin.

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bruvzg
2022-03-10 09:48:25 +02:00
parent cfd21adf64
commit 98d0af7d5c
13 changed files with 231 additions and 52 deletions
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138
editor/plugins/gdextension_export_plugin.h Normal file
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/*************************************************************************/
/* 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/editor_export.h"
class GDExtensionExportPlugin : public EditorExportPlugin {
protected:
virtual void _export_file(const String &p_path, const String &p_type, const Set<String> &p_features);
};
void GDExtensionExportPlugin::_export_file(const String &p_path, const String &p_type, const Set<String> &p_features) {
if (p_type != "NativeExtension") {
return;
}
Ref<ConfigFile> config;
config.instantiate();
Error err = config->load(p_path);
if (err != OK) {
return;
}
if (!config->has_section_key("configuration", "entry_symbol")) {
return;
}
String entry_symbol = config->get_value("configuration", "entry_symbol");
List<String> libraries;
config->get_section_keys("libraries", &libraries);
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);
}
break;
}
}
List<String> 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