testSM.cpp

#include "jsapi.h"

#include <stdio.h>

#include <fstream>
#include <iostream>

using namespace JS;
// The class of the global object.
static JSClass globalClass = {
    "global",
    JSCLASS_GLOBAL_FLAGS,
    JS_PropertyStub,
    JS_DeletePropertyStub,
    JS_PropertyStub,
    JS_StrictPropertyStub,
    JS_EnumerateStub,
    JS_ResolveStub,
    JS_ConvertStub,
    nullptr, nullptr, nullptr, nullptr,
    JS_GlobalObjectTraceHook
};

static const JSClass env_class = globalClass;

int main(int argc, const char *argv[]) {
    // Initialize the JS engine.
    if (!JS_Init())
       return 1;

    // Create a JS runtime.
    JSRuntime *rt = JS_NewRuntime(8L * 1024L * 1024L, JS_USE_HELPER_THREADS);
    if (!rt)
       return 1;

    // Create a context.
    JSContext *cx;
    cx = JS_NewContext(rt, 8195);
    if (!cx)
       return 1;

    int saveLength = 322;

    std::ifstream f;
    f.open("bytecode", std::ios::binary);
    char * loadBuffer = (char *) malloc(sizeof(char) * saveLength);
    f.read(loadBuffer, saveLength);
    f.close();

    RootedObject glob(cx);
    
    {
      JSAutoCompartment ac(cx, glob);
      RootedScript script(cx);
      
      CompileOptions options(cx);
      {
	JS::AutoSaveContextOptions asco(cx);
	JS::ContextOptionsRef(cx).setNoScriptRval(options.noScriptRval);
	script = JS_DecodeScript(cx, loadBuffer, saveLength, options.originPrincipals(cx));
      }
    }

    
    JS_DestroyContext(cx);
    JS_DestroyRuntime(rt);    
    JS_ShutDown();

    return 0;
}