Dev Checkpoint 201906252113
This commit is contained in:
Chris Walker
parent
2a8cb127ec
commit
e7993dca97
3 changed files with 79 additions and 107 deletions
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@ -4,100 +4,37 @@
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%wrapper
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%{
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#include <cstring>
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#include <string>
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#if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x031903)
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typedef v8::Handle<v8::Value> V8ReturnValue;
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typedef v8::Arguments V8Arguments;
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# define V8_RETURN(val) return scope.Close(val)
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#else
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typedef void V8ReturnValue;
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typedef v8::FunctionCallbackInfo<v8::Value> V8Arguments;
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# define V8_RETURN(val) args.GetReturnValue().Set(val); return
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#endif
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#if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x032318)
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# define V8_UNDEFINED() v8::Undefined()
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#else
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# define V8_UNDEFINED() v8::Undefined(v8::Isolate::GetCurrent())
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#endif
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#if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x032117)
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# define V8_HANDLESCOPE() v8::HandleScope scope
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#elif (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x032224)
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# define V8_HANDLESCOPE() v8::HandleScope scope(v8::Isolate::GetCurrent());
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#else
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# define V8_HANDLESCOPE() v8::HandleScope scope(v8::Isolate::GetCurrent());
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#endif
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// 'unused' attribute only necessary for GNUC < v3.4
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static /* __attribute__ ((__unused__)) */ V8ErrorHandler V8_ErrorHandler;
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typedef struct worker_packet {
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// -- basic --
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uv_work_t request;
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v8::Persistent<v8::Function> callback;
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// -- persistent variables --
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std::string result;
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// -- async operation --
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void (*execute)(std::string&);
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} worker_packet;
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// async process - parallel with node thread
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static void work_async(uv_work_t* request) {
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worker_packet* packet = static_cast<worker_packet*>(request->data);
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packet->execute(packet->result);
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// add a delay for dramatic effect - not necessary
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}
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// send async result back to node's thread
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static void work_complete(uv_work_t* request, int status) {
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V8_HANDLESCOPE();
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v8::Isolate* iso = v8::Isolate::GetCurrent();
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worker_packet* packet = static_cast<worker_packet*>(request->data);
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const int argc = 1;
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v8::Handle<v8::Value> argv[] = {
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v8::String::NewFromUtf8(iso, packet->result.c_str())
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};
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v8::Local<v8::Function>::New(iso, packet->callback)->Call
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(iso->GetCurrentContext()->Global(), argc, argv);
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packet->callback.Reset();
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delete work;
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}
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static void entry(const V8Arguments& args) {
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v8::Isolate* iso = v8::Isolate::GetCurrent();
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v8::Local<v8::Value> value = args[0];
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if (!value->IsFunction()) {
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V8_ErrorHandler.error((-1), "Invalid parameter type.");
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return;
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#ifdef SWIG_V8_VERSION /* Engine: Node || V8 */
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static SwigV8ReturnValue JavaScript_do_work(const SwigV8Arguments &args) {
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SWIGV8_HANDLESCOPE();
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const int MY_MAGIC_NUMBER = 5;
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v8::Handle<v8::Value> jsresult =
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SWIG_From_int(static_cast< int >(MY_MAGIC_NUMBER));
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if (args.Length() != 0)
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SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments.");
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SWIGV8_RETURN(jsresult);
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fail:
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SWIGV8_RETURN(SWIGV8_UNDEFINED());
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}
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worker_packet* packet = new worker_packet();
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packet->request.data = packet;
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packet->execute = [](std::string& res) { res = "My delayed message."; };
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v8::Local<v8::Function> callback = v8::Local<v8::Function>::Cast(value);
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packet->callback.Reset(iso, callback);
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uv_queue_work(uv_default_loop(), &packet->request,
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work_async, work_complete);
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args.GetReturnValue().Set(Undefined(iso));
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}
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#else /* Engine: JavaScriptCore */
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V8ReturnValue JavaScript_exampleV8_callback_function(const V8Arguments& args) {
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V8_HANDLESCOPE();
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if (args.Length() != 1) {
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V8_ErrorHandler.error((-1), "Illegal number of arguments.");
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V8_RETURN(V8_UNDEFINED());
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}
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entry(args);
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v8::Handle<v8::Value> jsresult = V8_UNDEFINED();
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V8_RETURN(jsresult);
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}
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static JSValueRef JavaScript_do_work(JSContextRef context,
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JSObjectRef function, JSObjectRef thisObject, size_t argc,
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const JSValueRef argv[], JSValueRef* exception) {
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const int MY_MAGIC_NUMBER = 5;
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JSValueRef jsresult =
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SWIG_From_int SWIG_JSC_FROM_CALL_ARGS(
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static_cast< int >(MY_MAGIC_NUMBER));
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if (argc != 0)
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SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments.");
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return jsresult;
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fail:
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return JSValueMakeUndefined(context);
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}
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#endif
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%}
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9
Examples/test-suite/javascript/native_directive_runme.js
Normal file
9
Examples/test-suite/javascript/native_directive_runme.js
Normal file
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@ -0,0 +1,9 @@
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var native_directive = require("native_directive");
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(function main() {
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var s = "abc.DEF-123";
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if (native_directive.CountAlphas(s) !== 6)
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throw "CountAlphas failed";
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if (native_directive.CountAlphaCharacters(s) !== 6)
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throw "CountAlphaCharacters failed";
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})();
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@ -42,32 +42,58 @@ extern "C" JNIEXPORT jint JNICALL Java_native_1directive_native_1directiveJNI_Co
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#endif
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#if defined(SWIG_V8_VERSION)
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#ifdef SWIGJAVASCRIPT
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%native(CountAlphaCharacters) void JavaScript_alpha_count();
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%{
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static SwigV8ReturnValue wrap_alpha_count(const SwigV8Arguments &args) {
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#ifdef SWIG_V8_VERSION /* engine = node || v8 */
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static SwigV8ReturnValue JavaScript_alpha_count(const SwigV8Arguments &args) {
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SWIGV8_HANDLESCOPE();
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v8::Handle<v8::Value> jsresult;
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char *arg1 = (char *) 0 ;
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int res1 ;
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char *buf1 = 0 ;
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int alloc1 = 0 ;
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char *arg1 = (char *)0;
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int res1;
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char *buf1 = 0;
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int alloc1 = 0;
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int result;
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if(args.Length() != 1) SWIG_exception_fail(SWIG_ERROR,
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"Illegal number of arguments for _wrap_count_characters.");
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if(args.Length() != 1) SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments for _wrap_alpha_count.");
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res1 = SWIG_AsCharPtrAndSize(args[0], &buf1, NULL, &alloc1);
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if (!SWIG_IsOK(res1)) {
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SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "count_characters"
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"', argument " "1"" of type '" "char const *""'");
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}
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if (!SWIG_IsOK(res1))
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SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "alpha_count" "', argument " "1"" of type '" "char const *""'");
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arg1 = reinterpret_cast< char * >(buf1);
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result = (int)count_characters((char const *)arg1);
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result = (int)alpha_count((char const *)arg1);
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jsresult = SWIG_From_int(static_cast< int >(result));
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if (alloc1 == SWIG_NEWOBJ) delete[] buf1;
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SWIGV8_RETURN(jsresult);
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fail:
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SWIGV8_RETURN(SWIGV8_UNDEFINED());
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}
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%}
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%native(CountAlphaCharacters) void wrap_alpha_count();
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#endif
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#else /* engine = jsc */
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static JSValueRef JavaScript_alpha_count(JSContextRef context, JSObjectRef function,
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JSObjectRef thisObject, size_t argc, const JSValueRef argv[], JSValueRef* exception)
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{
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char *arg1 = (char *)0;
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int res1;
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char *buf1 = 0;
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int alloc1 = 0;
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int result;
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JSValueRef jsresult;
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if (argc != 1) SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments.");
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res1 = SWIG_JSC_AsCharPtrAndSize(context, argv[0], &buf1, NULL, &alloc1);
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if (!SWIG_IsOK(res1))
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SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "alpha_count" "', argument " "1"" of type '" "char const *""'");
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arg1 = reinterpret_cast< char * >(buf1);
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result = (int)alpha_count((char const *)arg1);
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jsresult = SWIG_From_int SWIG_JSC_FROM_CALL_ARGS(static_cast< int >(result));
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if (alloc1 == SWIG_NEWOBJ) delete[] buf1;
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return jsresult;
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fail:
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return JSValueMakeUndefined(context);
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}
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#endif /* engine */
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%}
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#endif /* SWIGJAVASCRIPT */
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