[iOS] Extend iOS plugins to support Swift runtime

4 files changed, 40 insertions, 1 deletions

diff --git a/platform/ios/export/export_plugin.cpp b/platform/ios/export/export_plugin.cpp
index 2ac44ccf8b..001c9b803d 100644
--- a/platform/ios/export/export_plugin.cpp
+++ b/platform/ios/export/export_plugin.cpp
@@ -413,6 +413,35 @@ void EditorExportPlatformIOS::_fix_config_file(const Ref<EditorExportPreset> &p_
 				}
 			}
 			strnew += lines[i].replace("$pbx_locale_build_reference", locale_files);
+		} else if (lines[i].find("$swift_runtime_migration") != -1) {
+			String value = !p_config.use_swift_runtime ? "" : "LastSwiftMigration = 1250;";
+			strnew += lines[i].replace("$swift_runtime_migration", value) + "\n";
+		} else if (lines[i].find("$swift_runtime_build_settings") != -1) {
+			String value = !p_config.use_swift_runtime ? "" : R"(
+                     CLANG_ENABLE_MODULES = YES;
+                     SWIFT_OBJC_BRIDGING_HEADER = "$binary/dummy.h";
+                     SWIFT_VERSION = 5.0;
+                     )";
+			value = value.replace("$binary", p_config.binary_name);
+			strnew += lines[i].replace("$swift_runtime_build_settings", value) + "\n";
+		} else if (lines[i].find("$swift_runtime_fileref") != -1) {
+			String value = !p_config.use_swift_runtime ? "" : R"(
+                     90B4C2AA2680BC560039117A /* dummy.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "dummy.h"; sourceTree = "<group>"; };
+                     90B4C2B52680C7E90039117A /* dummy.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "dummy.swift"; sourceTree = "<group>"; };
+                     )";
+			strnew += lines[i].replace("$swift_runtime_fileref", value) + "\n";
+		} else if (lines[i].find("$swift_runtime_binary_files") != -1) {
+			String value = !p_config.use_swift_runtime ? "" : R"(
+                     90B4C2AA2680BC560039117A /* dummy.h */,
+                     90B4C2B52680C7E90039117A /* dummy.swift */,
+                     )";
+			strnew += lines[i].replace("$swift_runtime_binary_files", value) + "\n";
+		} else if (lines[i].find("$swift_runtime_buildfile") != -1) {
+			String value = !p_config.use_swift_runtime ? "" : "90B4C2B62680C7E90039117A /* dummy.swift in Sources */ = {isa = PBXBuildFile; fileRef = 90B4C2B52680C7E90039117A /* dummy.swift */; };";
+			strnew += lines[i].replace("$swift_runtime_buildfile", value) + "\n";
+		} else if (lines[i].find("$swift_runtime_build_phase") != -1) {
+			String value = !p_config.use_swift_runtime ? "" : "90B4C2B62680C7E90039117A /* dummy.swift */,";
+			strnew += lines[i].replace("$swift_runtime_build_phase", value) + "\n";
 		} else {
 			strnew += lines[i] + "\n";
 		}
@@ -1298,6 +1327,10 @@ Error EditorExportPlatformIOS::_export_ios_plugins(const Ref<EditorExportPreset>
 
 		plugin_initialization_cpp_code += "\t" + initialization_method;
 		plugin_deinitialization_cpp_code += "\t" + deinitialization_method;
+
+		if (plugin.use_swift_runtime) {
+			p_config_data.use_swift_runtime = true;
+		}
 	}
 
 	// Updating `Info.plist`
@@ -1479,7 +1512,8 @@ Error EditorExportPlatformIOS::export_project(const Ref<EditorExportPreset> &p_p
 		"",
 		"",
 		"",
-		Vector<String>()
+		Vector<String>(),
+		false
 	};
 
 	Vector<IOSExportAsset> assets;
diff --git a/platform/ios/export/export_plugin.h b/platform/ios/export/export_plugin.h
index 07e30c1d00..e32aef82dd 100644
--- a/platform/ios/export/export_plugin.h
+++ b/platform/ios/export/export_plugin.h
@@ -79,6 +79,7 @@ class EditorExportPlatformIOS : public EditorExportPlatform {
 		String modules_buildphase;
 		String modules_buildgrp;
 		Vector<String> capabilities;
+		bool use_swift_runtime;
 	};
 	struct ExportArchitecture {
 		String name;
diff --git a/platform/ios/export/godot_plugin_config.cpp b/platform/ios/export/godot_plugin_config.cpp
index 9118b95337..24a95a11a4 100644
--- a/platform/ios/export/godot_plugin_config.cpp
+++ b/platform/ios/export/godot_plugin_config.cpp
@@ -184,6 +184,7 @@ PluginConfigIOS PluginConfigIOS::load_plugin_config(Ref<ConfigFile> config_file,
 	String config_base_dir = path.get_base_dir();
 
 	plugin_config.name = config_file->get_value(PluginConfigIOS::CONFIG_SECTION, PluginConfigIOS::CONFIG_NAME_KEY, String());
+	plugin_config.use_swift_runtime = config_file->get_value(PluginConfigIOS::CONFIG_SECTION, PluginConfigIOS::CONFIG_USE_SWIFT_KEY, false);
 	plugin_config.initialization_method = config_file->get_value(PluginConfigIOS::CONFIG_SECTION, PluginConfigIOS::CONFIG_INITIALIZE_KEY, String());
 	plugin_config.deinitialization_method = config_file->get_value(PluginConfigIOS::CONFIG_SECTION, PluginConfigIOS::CONFIG_DEINITIALIZE_KEY, String());
 
diff --git a/platform/ios/export/godot_plugin_config.h b/platform/ios/export/godot_plugin_config.h
index 5ca8b05b42..98e8456ed5 100644
--- a/platform/ios/export/godot_plugin_config.h
+++ b/platform/ios/export/godot_plugin_config.h
@@ -39,6 +39,7 @@
  The `config` section and fields are required and defined as follow:
 - **name**: name of the plugin
 - **binary**: path to static `.a` library
+- **use_swift_runtime**: optional boolean field used to determine if Swift runtime is used
 
 The `dependencies` and fields are optional.
 - **linked**: dependencies that should only be linked.
@@ -57,6 +58,7 @@ struct PluginConfigIOS {
 	inline static const char *CONFIG_SECTION = "config";
 	inline static const char *CONFIG_NAME_KEY = "name";
 	inline static const char *CONFIG_BINARY_KEY = "binary";
+	inline static const char *CONFIG_USE_SWIFT_KEY = "use_swift_runtime";
 	inline static const char *CONFIG_INITIALIZE_KEY = "initialization";
 	inline static const char *CONFIG_DEINITIALIZE_KEY = "deinitialization";
 
@@ -93,6 +95,7 @@ struct PluginConfigIOS {
 	// Required config section
 	String name;
 	String binary;
+	bool use_swift_runtime;
 	String initialization_method;
 	String deinitialization_method;