Sara@0: 
Sara@0: 
Sara@0: /* Include the JSAPI header file to get access to SpiderMonkey. */
Sara@0: #include "jsapi.h"
Sara@0: 
Sara@0: /* The class of the global object. */
Sara@0: static JSClass global_class = {
Sara@0:     "global", JSCLASS_GLOBAL_FLAGS,
Sara@0:     JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
Sara@0:     JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
Sara@0:     JSCLASS_NO_OPTIONAL_MEMBERS
Sara@0: };
Sara@0: 
Sara@0: /* The error reporter callback. */
Sara@0: void reportError(JSContext *cx, const char *message, JSErrorReport *report)
Sara@0: {
Sara@0:     fprintf(stderr, "%s:%u:%s\n",
Sara@0:             report->filename ? report->filename : "<no filename=\"filename\">",
Sara@0:             (unsigned int) report->lineno,
Sara@0:             message);
Sara@0: }
Sara@0: 
Sara@0: int main(int argc, const char *argv[])
Sara@0: {
Sara@0:     /* JSAPI variables. */
Sara@0:     JSRuntime *rt;
Sara@0:     JSContext *cx;
Sara@0:     JSObject  *global;
Sara@0: 
Sara@0:     /* Create a JS runtime. You always need at least one runtime per process. */
Sara@0:     rt = JS_NewRuntime(8 * 1024 * 1024);
Sara@0:     if (rt == NULL)
Sara@0:         return 1;
Sara@0: 
Sara@0:     /* 
Sara@0:      * Create a context. You always need a context per thread.
Sara@0:      * Note that this program is not multi-threaded.
Sara@0:      */
Sara@0:     cx = JS_NewContext(rt, 8192);
Sara@0:     if (cx == NULL)
Sara@0:         return 1;
Sara@0:     JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_JIT | JSOPTION_METHODJIT);
Sara@0:     JS_SetVersion(cx, JSVERSION_LATEST);
Sara@0:     JS_SetErrorReporter(cx, reportError);
Sara@0: 
Sara@0:     /*
Sara@0:      * Create the global object in a new compartment.
Sara@0:      * You always need a global object per context.
Sara@0:      */
Sara@0:     global = JS_NewCompartmentAndGlobalObject(cx, &global_class, NULL);
Sara@0:     if (global == NULL)
Sara@0:         return 1;
Sara@0: 
Sara@0:     /*
Sara@0:      * Populate the global object with the standard JavaScript
Sara@0:      * function and object classes, such as Object, Array, Date.
Sara@0:      */
Sara@0:     if (!JS_InitStandardClasses(cx, global))
Sara@0:         return 1;
Sara@0: 
Sara@0:     /* Your application code here. This may include JSAPI calls
Sara@0:      * to create your own custom JavaScript objects and to run scripts.
Sara@0:      *
Sara@0:      * The following example code creates a literal JavaScript script,
Sara@0:      * evaluates it, and prints the result to stdout.
Sara@0:      *
Sara@0:      * Errors are conventionally saved in a JSBool variable named ok.
Sara@0:      */
Sara@0:     const char *script = "'Hello ' + 'World!'";
Sara@0:     jsval rval;
Sara@0:     JSString *str;
Sara@0:     JSBool ok;
Sara@0:     const char *filename = "noname";
Sara@0:     uintN lineno = 0;
Sara@0: 
Sara@0:     ok = JS_EvaluateScript(cx, global, script, strlen(script),
Sara@0:                            filename, lineno, &rval);
Sara@0:     if ( rval == JS_FALSE)//rval == JS_NULL |
Sara@0:         return 1;
Sara@0: 
Sara@0:     str = JS_ValueToString(cx, rval);
Sara@0:     printf("%s\n", JS_EncodeString(cx, str));
Sara@0: 
Sara@0:     /* End of your application code */
Sara@0: 
Sara@0:     /* Clean things up and shut down SpiderMonkey. */
Sara@0:     JS_DestroyContext(cx);
Sara@0:     JS_DestroyRuntime(rt);
Sara@0:     JS_ShutDown();
Sara@0:     return 0;
Sara@0: }