Dev Checkpoint 201906252113

This commit is contained in:
Chris Walker 2019-06-25 21:13:49 -06:00
commit e7993dca97
3 changed files with 79 additions and 107 deletions

View file

@ -4,100 +4,37 @@
%wrapper %wrapper
%{ %{
#include <cstring> #ifdef SWIG_V8_VERSION /* Engine: Node || V8 */
#include <string>
static SwigV8ReturnValue JavaScript_do_work(const SwigV8Arguments &args) {
SWIGV8_HANDLESCOPE();
#if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x031903) const int MY_MAGIC_NUMBER = 5;
typedef v8::Handle<v8::Value> V8ReturnValue; v8::Handle<v8::Value> jsresult =
typedef v8::Arguments V8Arguments; SWIG_From_int(static_cast< int >(MY_MAGIC_NUMBER));
# define V8_RETURN(val) return scope.Close(val) if (args.Length() != 0)
#else SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments.");
typedef void V8ReturnValue; SWIGV8_RETURN(jsresult);
typedef v8::FunctionCallbackInfo<v8::Value> V8Arguments; fail:
# define V8_RETURN(val) args.GetReturnValue().Set(val); return SWIGV8_RETURN(SWIGV8_UNDEFINED());
#endif
#if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x032318)
# define V8_UNDEFINED() v8::Undefined()
#else
# define V8_UNDEFINED() v8::Undefined(v8::Isolate::GetCurrent())
#endif
#if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x032117)
# define V8_HANDLESCOPE() v8::HandleScope scope
#elif (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x032224)
# define V8_HANDLESCOPE() v8::HandleScope scope(v8::Isolate::GetCurrent());
#else
# define V8_HANDLESCOPE() v8::HandleScope scope(v8::Isolate::GetCurrent());
#endif
// 'unused' attribute only necessary for GNUC < v3.4
static /* __attribute__ ((__unused__)) */ V8ErrorHandler V8_ErrorHandler;
typedef struct worker_packet {
// -- basic --
uv_work_t request;
v8::Persistent<v8::Function> callback;
// -- persistent variables --
std::string result;
// -- async operation --
void (*execute)(std::string&);
} worker_packet;
// async process - parallel with node thread
static void work_async(uv_work_t* request) {
worker_packet* packet = static_cast<worker_packet*>(request->data);
packet->execute(packet->result);
// add a delay for dramatic effect - not necessary
}
// send async result back to node's thread
static void work_complete(uv_work_t* request, int status) {
V8_HANDLESCOPE();
v8::Isolate* iso = v8::Isolate::GetCurrent();
worker_packet* packet = static_cast<worker_packet*>(request->data);
const int argc = 1;
v8::Handle<v8::Value> argv[] = {
v8::String::NewFromUtf8(iso, packet->result.c_str())
};
v8::Local<v8::Function>::New(iso, packet->callback)->Call
(iso->GetCurrentContext()->Global(), argc, argv);
packet->callback.Reset();
delete work;
}
static void entry(const V8Arguments& args) {
v8::Isolate* iso = v8::Isolate::GetCurrent();
v8::Local<v8::Value> value = args[0];
if (!value->IsFunction()) {
V8_ErrorHandler.error((-1), "Invalid parameter type.");
return;
} }
worker_packet* packet = new worker_packet();
packet->request.data = packet;
packet->execute = [](std::string& res) { res = "My delayed message."; };
v8::Local<v8::Function> callback = v8::Local<v8::Function>::Cast(value);
packet->callback.Reset(iso, callback);
uv_queue_work(uv_default_loop(), &packet->request,
work_async, work_complete);
args.GetReturnValue().Set(Undefined(iso));
}
#else /* Engine: JavaScriptCore */
V8ReturnValue JavaScript_exampleV8_callback_function(const V8Arguments& args) { static JSValueRef JavaScript_do_work(JSContextRef context,
V8_HANDLESCOPE(); JSObjectRef function, JSObjectRef thisObject, size_t argc,
if (args.Length() != 1) { const JSValueRef argv[], JSValueRef* exception) {
V8_ErrorHandler.error((-1), "Illegal number of arguments."); const int MY_MAGIC_NUMBER = 5;
V8_RETURN(V8_UNDEFINED()); JSValueRef jsresult =
} SWIG_From_int SWIG_JSC_FROM_CALL_ARGS(
entry(args); static_cast< int >(MY_MAGIC_NUMBER));
v8::Handle<v8::Value> jsresult = V8_UNDEFINED(); if (argc != 0)
V8_RETURN(jsresult); SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments.");
} return jsresult;
fail:
return JSValueMakeUndefined(context);
}
#endif
%} %}

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@ -0,0 +1,9 @@
var native_directive = require("native_directive");
(function main() {
var s = "abc.DEF-123";
if (native_directive.CountAlphas(s) !== 6)
throw "CountAlphas failed";
if (native_directive.CountAlphaCharacters(s) !== 6)
throw "CountAlphaCharacters failed";
})();

View file

@ -42,32 +42,58 @@ extern "C" JNIEXPORT jint JNICALL Java_native_1directive_native_1directiveJNI_Co
#endif #endif
#if defined(SWIG_V8_VERSION)
#ifdef SWIGJAVASCRIPT
%native(CountAlphaCharacters) void JavaScript_alpha_count();
%{ %{
static SwigV8ReturnValue wrap_alpha_count(const SwigV8Arguments &args) { #ifdef SWIG_V8_VERSION /* engine = node || v8 */
static SwigV8ReturnValue JavaScript_alpha_count(const SwigV8Arguments &args) {
SWIGV8_HANDLESCOPE(); SWIGV8_HANDLESCOPE();
v8::Handle<v8::Value> jsresult; v8::Handle<v8::Value> jsresult;
char *arg1 = (char *) 0 ; char *arg1 = (char *)0;
int res1 ; int res1;
char *buf1 = 0 ; char *buf1 = 0;
int alloc1 = 0 ; int alloc1 = 0;
int result; int result;
if(args.Length() != 1) SWIG_exception_fail(SWIG_ERROR, if(args.Length() != 1) SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments for _wrap_alpha_count.");
"Illegal number of arguments for _wrap_count_characters.");
res1 = SWIG_AsCharPtrAndSize(args[0], &buf1, NULL, &alloc1); res1 = SWIG_AsCharPtrAndSize(args[0], &buf1, NULL, &alloc1);
if (!SWIG_IsOK(res1)) { if (!SWIG_IsOK(res1))
SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "count_characters" SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "alpha_count" "', argument " "1"" of type '" "char const *""'");
"', argument " "1"" of type '" "char const *""'");
}
arg1 = reinterpret_cast< char * >(buf1); arg1 = reinterpret_cast< char * >(buf1);
result = (int)count_characters((char const *)arg1); result = (int)alpha_count((char const *)arg1);
jsresult = SWIG_From_int(static_cast< int >(result)); jsresult = SWIG_From_int(static_cast< int >(result));
if (alloc1 == SWIG_NEWOBJ) delete[] buf1; if (alloc1 == SWIG_NEWOBJ) delete[] buf1;
SWIGV8_RETURN(jsresult); SWIGV8_RETURN(jsresult);
fail: fail:
SWIGV8_RETURN(SWIGV8_UNDEFINED()); SWIGV8_RETURN(SWIGV8_UNDEFINED());
} }
%}
%native(CountAlphaCharacters) void wrap_alpha_count(); #else /* engine = jsc */
#endif
static JSValueRef JavaScript_alpha_count(JSContextRef context, JSObjectRef function,
JSObjectRef thisObject, size_t argc, const JSValueRef argv[], JSValueRef* exception)
{
char *arg1 = (char *)0;
int res1;
char *buf1 = 0;
int alloc1 = 0;
int result;
JSValueRef jsresult;
if (argc != 1) SWIG_exception_fail(SWIG_ERROR, "Illegal number of arguments.");
res1 = SWIG_JSC_AsCharPtrAndSize(context, argv[0], &buf1, NULL, &alloc1);
if (!SWIG_IsOK(res1))
SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "alpha_count" "', argument " "1"" of type '" "char const *""'");
arg1 = reinterpret_cast< char * >(buf1);
result = (int)alpha_count((char const *)arg1);
jsresult = SWIG_From_int SWIG_JSC_FROM_CALL_ARGS(static_cast< int >(result));
if (alloc1 == SWIG_NEWOBJ) delete[] buf1;
return jsresult;
fail:
return JSValueMakeUndefined(context);
}
#endif /* engine */
%}
#endif /* SWIGJAVASCRIPT */