perf: optimize generated native dispatch

.gitignore

@@ -66,3 +66,10 @@ SwiftBindgen
 
 # Generated Objective-C/C dispatch wrappers
 NativeScript/ffi/GeneratedSignatureDispatch.inc
+NativeScript/ffi/GeneratedSignatureDispatch.inc.stamp
+
+# React Native TurboModule package staging
+packages/react-native/dist/
+packages/react-native/ios/vendor/
+packages/react-native/metadata/
+packages/react-native/native-api-jsi/

NativeScript/CMakeLists.txt

@@ -20,9 +20,11 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_FLAGS}")
 # Arguments
 set(TARGET_PLATFORM "macos" CACHE STRING "Target platform for the Objective-C bridge")
 set(TARGET_ENGINE "v8" CACHE STRING "Target JS engine for the NativeScript runtime")
+set(NS_GSD_BACKEND "auto" CACHE STRING "Generated signature dispatch backend: auto, v8, jsc, quickjs, hermes, napi, or none")
 set(METADATA_SIZE 0 CACHE STRING "Size of embedded metadata in bytes")
 set(BUILD_CLI_BINARY OFF CACHE BOOL "Build the NativeScript CLI binary")
 set(BUILD_MACOS_NODE_API OFF CACHE BOOL "Build the NativeScript macOS Node API dylib")
+set_property(CACHE NS_GSD_BACKEND PROPERTY STRINGS auto v8 jsc quickjs hermes napi none)
 
 if (BUILD_MACOS_NODE_API)
   set(BUILD_FRAMEWORK OFF)
@@ -132,6 +134,44 @@ message(STATUS "TARGET_ENGINE = ${TARGET_ENGINE}")
 message(STATUS "ENABLE_JS_RUNTIME = ${ENABLE_JS_RUNTIME}")
 message(STATUS "GENERIC_NAPI = ${GENERIC_NAPI}")
 
+if(NS_GSD_BACKEND STREQUAL "auto")
+  if(TARGET_ENGINE_V8)
+    set(NS_EFFECTIVE_GSD_BACKEND "v8")
+  elseif(TARGET_ENGINE_JSC)
+    set(NS_EFFECTIVE_GSD_BACKEND "jsc")
+  elseif(TARGET_ENGINE_QUICKJS)
+    set(NS_EFFECTIVE_GSD_BACKEND "quickjs")
+  elseif(TARGET_ENGINE_HERMES)
+    set(NS_EFFECTIVE_GSD_BACKEND "hermes")
+  else()
+    set(NS_EFFECTIVE_GSD_BACKEND "napi")
+  endif()
+elseif(NS_GSD_BACKEND STREQUAL "v8" OR
+       NS_GSD_BACKEND STREQUAL "jsc" OR
+       NS_GSD_BACKEND STREQUAL "quickjs" OR
+       NS_GSD_BACKEND STREQUAL "hermes" OR
+       NS_GSD_BACKEND STREQUAL "napi" OR
+       NS_GSD_BACKEND STREQUAL "none")
+  set(NS_EFFECTIVE_GSD_BACKEND "${NS_GSD_BACKEND}")
+else()
+  message(FATAL_ERROR "Unknown NS_GSD_BACKEND: ${NS_GSD_BACKEND}")
+endif()
+
+if(NS_EFFECTIVE_GSD_BACKEND STREQUAL "v8" AND NOT TARGET_ENGINE_V8)
+  message(FATAL_ERROR "NS_GSD_BACKEND=v8 requires TARGET_ENGINE=v8")
+endif()
+if(NS_EFFECTIVE_GSD_BACKEND STREQUAL "jsc" AND NOT TARGET_ENGINE_JSC)
+  message(FATAL_ERROR "NS_GSD_BACKEND=jsc requires TARGET_ENGINE=jsc")
+endif()
+if(NS_EFFECTIVE_GSD_BACKEND STREQUAL "quickjs" AND NOT TARGET_ENGINE_QUICKJS)
+  message(FATAL_ERROR "NS_GSD_BACKEND=quickjs requires TARGET_ENGINE=quickjs")
+endif()
+if(NS_EFFECTIVE_GSD_BACKEND STREQUAL "hermes" AND NOT TARGET_ENGINE_HERMES)
+  message(FATAL_ERROR "NS_GSD_BACKEND=hermes requires TARGET_ENGINE=hermes")
+endif()
+
+message(STATUS "NS_GSD_BACKEND = ${NS_GSD_BACKEND} (${NS_EFFECTIVE_GSD_BACKEND})")
+
 # Set up sources
 include_directories(
   ./
@@ -158,6 +198,7 @@ set(SOURCE_FILES
   ffi/Variable.mm
   ffi/Object.mm
   ffi/CFunction.mm
+  ffi/EngineDirectCall.mm
   ffi/Interop.mm
   ffi/InlineFunctions.mm
   ffi/ClassBuilder.mm
@@ -207,6 +248,7 @@ if(ENABLE_JS_RUNTIME)
       napi/v8/v8-module-loader.cpp
       napi/v8/jsr.cpp
       napi/v8/SimpleAllocator.cpp
+      ffi/V8FastNativeApi.mm
     )
 
   elseif(TARGET_ENGINE_HERMES)
@@ -231,6 +273,8 @@ if(ENABLE_JS_RUNTIME)
     set(SOURCE_FILES
       ${SOURCE_FILES}
       napi/hermes/jsr.cpp
+      ffi/jsi/NativeApiJsi.mm
+      ffi/HermesFastNativeApi.mm
     )
 
   elseif(TARGET_ENGINE_QUICKJS)
@@ -263,6 +307,7 @@ if(ENABLE_JS_RUNTIME)
       # napi
       napi/quickjs/quickjs-api.c
       napi/quickjs/jsr.cpp
+      ffi/QuickJSFastNativeApi.mm
     )
 
   elseif(TARGET_ENGINE_JSC)
@@ -275,6 +320,7 @@ if(ENABLE_JS_RUNTIME)
     set(SOURCE_FILES ${SOURCE_FILES}
       napi/jsc/jsc-api.cpp
       napi/jsc/jsr.cpp
+      ffi/JSCFastNativeApi.mm
     )
   endif()
 else()
@@ -345,6 +391,38 @@ if(TARGET_ENGINE_V8 AND TARGET_PLATFORM_IOS)
   )
 endif()
 
+if(ENABLE_JS_RUNTIME)
+  target_compile_definitions(${NAME} PRIVATE ENABLE_JS_RUNTIME)
+endif()
+
+if(TARGET_PLATFORM_MACOS)
+  target_compile_definitions(${NAME} PRIVATE TARGET_PLATFORM_MACOS)
+endif()
+
+if(TARGET_ENGINE_HERMES)
+  target_compile_definitions(${NAME} PRIVATE TARGET_ENGINE_HERMES)
+elseif(TARGET_ENGINE_V8)
+  target_compile_definitions(${NAME} PRIVATE TARGET_ENGINE_V8)
+elseif(TARGET_ENGINE_QUICKJS)
+  target_compile_definitions(${NAME} PRIVATE TARGET_ENGINE_QUICKJS)
+elseif(TARGET_ENGINE_JSC)
+  target_compile_definitions(${NAME} PRIVATE TARGET_ENGINE_JSC)
+endif()
+
+if(NS_EFFECTIVE_GSD_BACKEND STREQUAL "v8")
+  target_compile_definitions(${NAME} PRIVATE NS_GSD_BACKEND_V8=1 NS_GSD_BACKEND_JSC=0 NS_GSD_BACKEND_QUICKJS=0 NS_GSD_BACKEND_HERMES=0 NS_GSD_BACKEND_NAPI=0)
+elseif(NS_EFFECTIVE_GSD_BACKEND STREQUAL "jsc")
+  target_compile_definitions(${NAME} PRIVATE NS_GSD_BACKEND_V8=0 NS_GSD_BACKEND_JSC=1 NS_GSD_BACKEND_QUICKJS=0 NS_GSD_BACKEND_HERMES=0 NS_GSD_BACKEND_NAPI=0)
+elseif(NS_EFFECTIVE_GSD_BACKEND STREQUAL "quickjs")
+  target_compile_definitions(${NAME} PRIVATE NS_GSD_BACKEND_V8=0 NS_GSD_BACKEND_JSC=0 NS_GSD_BACKEND_QUICKJS=1 NS_GSD_BACKEND_HERMES=0 NS_GSD_BACKEND_NAPI=0)
+elseif(NS_EFFECTIVE_GSD_BACKEND STREQUAL "hermes")
+  target_compile_definitions(${NAME} PRIVATE NS_GSD_BACKEND_V8=0 NS_GSD_BACKEND_JSC=0 NS_GSD_BACKEND_QUICKJS=0 NS_GSD_BACKEND_HERMES=1 NS_GSD_BACKEND_NAPI=0)
+elseif(NS_EFFECTIVE_GSD_BACKEND STREQUAL "napi")
+  target_compile_definitions(${NAME} PRIVATE NS_GSD_BACKEND_V8=0 NS_GSD_BACKEND_JSC=0 NS_GSD_BACKEND_QUICKJS=0 NS_GSD_BACKEND_HERMES=0 NS_GSD_BACKEND_NAPI=1)
+else()
+  target_compile_definitions(${NAME} PRIVATE NS_GSD_BACKEND_V8=0 NS_GSD_BACKEND_JSC=0 NS_GSD_BACKEND_QUICKJS=0 NS_GSD_BACKEND_HERMES=0 NS_GSD_BACKEND_NAPI=0)
+endif()
+
 set(FRAMEWORK_VERSION_VALUE "${VERSION}")
 if(TARGET_PLATFORM_MACOS)
   # macOS framework consumers (including Xcode's copy/sign phases) expect

NativeScript/NativeScript-Prefix.pch

@@ -1,6 +1,6 @@
 #ifndef NativeScript_Prefix_pch
 #define NativeScript_Prefix_pch
 
-#define NATIVESCRIPT_VERSION "9.0.0-napi-v8.0"
+#define NATIVESCRIPT_VERSION "0.0.1"
 
 #endif /* NativeScript_Prefix_pch */

NativeScript/ffi/Block.h

@@ -1,6 +1,7 @@
 #ifndef BLOCK_H
 #define BLOCK_H
 
+#include <cstdint>
 #include <cstdlib>
 
 #include "Cif.h"
@@ -15,6 +16,11 @@ class FunctionPointer {
   metagen::MDSectionOffset offset;
   Cif* cif;
   bool ownsCif = false;
+  bool dispatchLookupCached = false;
+  uint64_t dispatchLookupSignatureHash = 0;
+  uint64_t dispatchId = 0;
+  void* preparedInvoker = nullptr;
+  void* hermesFrameDirectReturnInvoker = nullptr;
 
   static napi_value wrap(napi_env env, void* function,
                          metagen::MDSectionOffset offset, bool isBlock);