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Mariusz Pasinski
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Merge branch 'mario/twisted-addon-example' into mario/wip-refactor-cpp
2 parents 437ba9b + a9f3be0 commit c224486

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‎packages/node-addon-examples/examples/1-getting-started/2_function_arguments_twisted/napi/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.15)
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project(examples-1-getting-started-2_function_arguments_twisted-napi)
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add_compile_definitions(-DNAPI_VERSION=4)
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add_library(addon_twisted SHARED addon.c ${CMAKE_JS_SRC})
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set_target_properties(addon_twisted PROPERTIES PREFIX "" SUFFIX ".node")
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target_include_directories(addon_twisted PRIVATE ${CMAKE_JS_INC})
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target_link_libraries(addon_twisted PRIVATE ${CMAKE_JS_LIB})
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target_compile_features(addon_twisted PRIVATE cxx_std_17)
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if(MSVC AND CMAKE_JS_NODELIB_DEF AND CMAKE_JS_NODELIB_TARGET)
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# Generate node.lib
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execute_process(COMMAND ${CMAKE_AR} /def:${CMAKE_JS_NODELIB_DEF} /out:${CMAKE_JS_NODELIB_TARGET} ${CMAKE_STATIC_LINKER_FLAGS})
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endif()

‎packages/node-addon-examples/examples/1-getting-started/2_function_arguments_twisted/napi/addon.c‎

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#include <assert.h>
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#include "node_api_deprecated.h"
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#include <stdio.h>
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static napi_value Add(napi_env env, napi_callback_info info) {
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napi_status status;
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size_t argc = 2;
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napi_value args[2];
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status = napi_get_cb_info(env, info, &argc, args, NULL, NULL);
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assert(status == napi_ok);
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if (argc < 2) {
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napi_throw_type_error(env, NULL, "Wrong number of arguments");
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return NULL;
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}
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napi_valuetype valuetype0;
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status = napi_typeof(env, args[0], &valuetype0);
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assert(status == napi_ok);
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napi_valuetype valuetype1;
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status = napi_typeof(env, args[1], &valuetype1);
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assert(status == napi_ok);
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if (valuetype0 != napi_number || valuetype1 != napi_number) {
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napi_throw_type_error(env, NULL, "Wrong arguments");
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return NULL;
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}
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double value0;
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status = napi_get_value_double(env, args[0], &value0);
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assert(status == napi_ok);
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double value1;
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status = napi_get_value_double(env, args[1], &value1);
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assert(status == napi_ok);
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napi_value sum;
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status = napi_create_double(env, value0 + value1, &sum);
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assert(status == napi_ok);
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return sum;
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}
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#define DECLARE_NAPI_METHOD(name, func) \
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{ name, 0, func, 0, 0, 0, napi_default, 0 }
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napi_value Init(napi_env env, napi_value exports) {
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napi_status status;
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napi_property_descriptor addDescriptor = DECLARE_NAPI_METHOD("add", Add);
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status = napi_define_properties(env, exports, 1, &addDescriptor);
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assert(status == napi_ok);
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return exports;
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}
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NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)

‎packages/node-addon-examples/examples/1-getting-started/2_function_arguments_twisted/napi/binding.gyp‎

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{
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"targets": [
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{
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"target_name": "addon_twisted",
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"sources": [ "addon.c" ],
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"defines": [
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"NAPI_VERSION=4"
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],
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}
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]
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}

‎packages/node-addon-examples/examples/1-getting-started/2_function_arguments_twisted/napi/node_api_deprecated.h‎

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// Taken from https://github.com/nodejs/node-api-headers/blob/2a5355a65e06b081154e584ca5b0574c9c07b61d/include/node_api.h
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#ifndef SRC_NODE_API_H_
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#define SRC_NODE_API_H_
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#ifdef BUILDING_NODE_EXTENSION
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#ifdef _WIN32
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// Building native module against node
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#define NAPI_EXTERN __declspec(dllimport)
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#elif defined(__wasm32__)
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#define NAPI_EXTERN __attribute__((__import_module__("napi")))
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#endif
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#endif
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#include <js_native_api.h>
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#include <node_api_types.h>
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struct uv_loop_s; // Forward declaration.
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#ifdef _WIN32
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# define NAPI_MODULE_EXPORT __declspec(dllexport)
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#else
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# define NAPI_MODULE_EXPORT __attribute__((visibility("default")))
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#endif
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#if defined(__GNUC__)
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# define NAPI_NO_RETURN __attribute__((noreturn))
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#elif defined(_WIN32)
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# define NAPI_NO_RETURN __declspec(noreturn)
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#else
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# define NAPI_NO_RETURN
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#endif
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typedef napi_value (*napi_addon_register_func)(napi_env env,
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napi_value exports);
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typedef struct napi_module {
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int nm_version;
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unsigned int nm_flags;
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const char* nm_filename;
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napi_addon_register_func nm_register_func;
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const char* nm_modname;
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void* nm_priv;
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void* reserved[4];
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} napi_module;
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#define NAPI_MODULE_VERSION 1
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#if defined(_MSC_VER)
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#pragma section(".CRT$XCU", read)
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#define NAPI_C_CTOR(fn) \
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static void __cdecl fn(void); \
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__declspec(dllexport, allocate(".CRT$XCU")) void(__cdecl * fn##_)(void) = \
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fn; \
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static void __cdecl fn(void)
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#else
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#define NAPI_C_CTOR(fn) \
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static void fn(void) __attribute__((constructor)); \
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static void fn(void)
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#endif
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#define NAPI_MODULE_X(modname, regfunc, priv, flags) \
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EXTERN_C_START \
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static napi_module _module = \
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{ \
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NAPI_MODULE_VERSION, \
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flags, \
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__FILE__, \
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regfunc, \
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#modname, \
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priv, \
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{0}, \
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}; \
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NAPI_C_CTOR(_register_ ## modname) { \
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napi_module_register(&_module); \
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} \
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EXTERN_C_END
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#define NAPI_MODULE_INITIALIZER_X(base, version) \
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NAPI_MODULE_INITIALIZER_X_HELPER(base, version)
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#define NAPI_MODULE_INITIALIZER_X_HELPER(base, version) base##version
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#ifdef __wasm32__
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#define NAPI_WASM_INITIALIZER \
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NAPI_MODULE_INITIALIZER_X(napi_register_wasm_v, NAPI_MODULE_VERSION)
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#define NAPI_MODULE(modname, regfunc) \
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EXTERN_C_START \
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NAPI_MODULE_EXPORT napi_value NAPI_WASM_INITIALIZER(napi_env env, \
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napi_value exports) { \
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return regfunc(env, exports); \
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} \
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EXTERN_C_END
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#else
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#define NAPI_MODULE(modname, regfunc) \
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NAPI_MODULE_X(modname, regfunc, NULL, 0) // NOLINT (readability/null_usage)
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#endif
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#define NAPI_MODULE_INITIALIZER_BASE napi_register_module_v
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#define NAPI_MODULE_INITIALIZER \
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NAPI_MODULE_INITIALIZER_X(NAPI_MODULE_INITIALIZER_BASE, \
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NAPI_MODULE_VERSION)
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#define NAPI_MODULE_INIT() \
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EXTERN_C_START \
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NAPI_MODULE_EXPORT napi_value \
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NAPI_MODULE_INITIALIZER(napi_env env, napi_value exports); \
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EXTERN_C_END \
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NAPI_MODULE(NODE_GYP_MODULE_NAME, NAPI_MODULE_INITIALIZER) \
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napi_value NAPI_MODULE_INITIALIZER(napi_env env, \
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napi_value exports)
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EXTERN_C_START
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NAPI_EXTERN void napi_module_register(napi_module* mod);
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NAPI_EXTERN NAPI_NO_RETURN void napi_fatal_error(const char* location,
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size_t location_len,
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const char* message,
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size_t message_len);
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// Methods for custom handling of async operations
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NAPI_EXTERN napi_status napi_async_init(napi_env env,
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napi_value async_resource,
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napi_value async_resource_name,
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napi_async_context* result);
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NAPI_EXTERN napi_status napi_async_destroy(napi_env env,
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napi_async_context async_context);
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NAPI_EXTERN napi_status napi_make_callback(napi_env env,
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napi_async_context async_context,
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napi_value recv,
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napi_value func,
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size_t argc,
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const napi_value* argv,
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napi_value* result);
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// Methods to provide node::Buffer functionality with napi types
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NAPI_EXTERN napi_status napi_create_buffer(napi_env env,
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size_t length,
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void** data,
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napi_value* result);
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NAPI_EXTERN napi_status napi_create_external_buffer(napi_env env,
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size_t length,
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void* data,
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napi_finalize finalize_cb,
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void* finalize_hint,
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napi_value* result);
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NAPI_EXTERN napi_status napi_create_buffer_copy(napi_env env,
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size_t length,
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const void* data,
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void** result_data,
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napi_value* result);
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NAPI_EXTERN napi_status napi_is_buffer(napi_env env,
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napi_value value,
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bool* result);
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NAPI_EXTERN napi_status napi_get_buffer_info(napi_env env,
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napi_value value,
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void** data,
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size_t* length);
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// Methods to manage simple async operations
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NAPI_EXTERN
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napi_status napi_create_async_work(napi_env env,
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napi_value async_resource,
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napi_value async_resource_name,
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napi_async_execute_callback execute,
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napi_async_complete_callback complete,
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void* data,
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napi_async_work* result);
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NAPI_EXTERN napi_status napi_delete_async_work(napi_env env,
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napi_async_work work);
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NAPI_EXTERN napi_status napi_queue_async_work(napi_env env,
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napi_async_work work);
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NAPI_EXTERN napi_status napi_cancel_async_work(napi_env env,
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napi_async_work work);
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// version management
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NAPI_EXTERN
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napi_status napi_get_node_version(napi_env env,
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const napi_node_version** version);
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#if NAPI_VERSION >= 2
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// Return the current libuv event loop for a given environment
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NAPI_EXTERN napi_status napi_get_uv_event_loop(napi_env env,
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struct uv_loop_s** loop);
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#endif // NAPI_VERSION >= 2
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#if NAPI_VERSION >= 3
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NAPI_EXTERN napi_status napi_fatal_exception(napi_env env, napi_value err);
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NAPI_EXTERN napi_status napi_add_env_cleanup_hook(napi_env env,
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void (*fun)(void* arg),
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void* arg);
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NAPI_EXTERN napi_status napi_remove_env_cleanup_hook(napi_env env,
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void (*fun)(void* arg),
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void* arg);
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NAPI_EXTERN napi_status napi_open_callback_scope(napi_env env,
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napi_value resource_object,
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napi_async_context context,
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napi_callback_scope* result);
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NAPI_EXTERN napi_status napi_close_callback_scope(napi_env env,
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napi_callback_scope scope);
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#endif // NAPI_VERSION >= 3
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#if NAPI_VERSION >= 4
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#ifndef __wasm32__
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// Calling into JS from other threads
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NAPI_EXTERN napi_status
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napi_create_threadsafe_function(napi_env env,
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napi_value func,
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napi_value async_resource,
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napi_value async_resource_name,
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size_t max_queue_size,
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size_t initial_thread_count,
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void* thread_finalize_data,
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napi_finalize thread_finalize_cb,
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void* context,
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napi_threadsafe_function_call_js call_js_cb,
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napi_threadsafe_function* result);
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NAPI_EXTERN napi_status
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napi_get_threadsafe_function_context(napi_threadsafe_function func,
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void** result);
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NAPI_EXTERN napi_status
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napi_call_threadsafe_function(napi_threadsafe_function func,
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void* data,
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napi_threadsafe_function_call_mode is_blocking);
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NAPI_EXTERN napi_status
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napi_acquire_threadsafe_function(napi_threadsafe_function func);
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NAPI_EXTERN napi_status
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napi_release_threadsafe_function(napi_threadsafe_function func,
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napi_threadsafe_function_release_mode mode);
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NAPI_EXTERN napi_status
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napi_unref_threadsafe_function(napi_env env, napi_threadsafe_function func);
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NAPI_EXTERN napi_status
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napi_ref_threadsafe_function(napi_env env, napi_threadsafe_function func);
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#endif // __wasm32__
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#endif // NAPI_VERSION >= 4
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#ifdef NAPI_EXPERIMENTAL
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NAPI_EXTERN napi_status napi_add_async_cleanup_hook(
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napi_env env,
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napi_async_cleanup_hook hook,
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void* arg,
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napi_async_cleanup_hook_handle* remove_handle);
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NAPI_EXTERN napi_status napi_remove_async_cleanup_hook(
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napi_async_cleanup_hook_handle remove_handle);
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#endif // NAPI_EXPERIMENTAL
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EXTERN_C_END
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#endif // SRC_NODE_API_H_

‎packages/node-addon-examples/examples/1-getting-started/2_function_arguments_twisted/napi/package-lock.json‎

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