Exemplo n.º 1
0
    JSCLASS_HAS_PRIVATE,
    JS_PropertyStub,
    JS_PropertyStub,
    JS_PropertyStub,
    JS_StrictPropertyStub,
    JS_EnumerateStub,
    JS_ResolveStub,
    JS_ConvertStub,
    keep_alive_finalize,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,
    JS_CLASS_TRACE(keep_alive_trace),
    NULL
};

static JSPropertySpec gjs_keep_alive_proto_props[] = {
    { NULL }
};

static JSFunctionSpec gjs_keep_alive_proto_funcs[] = {
    { NULL }
};

JSObject*
gjs_keep_alive_new(JSContext *context)
{
    JSObject *keep_alive;
JSExtendedClass XPCNativeWrapper::sXPC_NW_JSClass = {
  // JSClass (JSExtendedClass.base) initialization
  { "XPCNativeWrapper",
    JSCLASS_HAS_PRIVATE | JSCLASS_PRIVATE_IS_NSISUPPORTS |
    // Our one reserved slot holds a jsint of flag bits
    JSCLASS_NEW_RESOLVE | JSCLASS_HAS_RESERVED_SLOTS(1) |
    JSCLASS_MARK_IS_TRACE | JSCLASS_IS_EXTENDED,
    XPC_NW_AddProperty, XPC_NW_DelProperty,
    XPC_NW_GetProperty, XPC_NW_SetProperty,
    XPC_NW_Enumerate,   (JSResolveOp)XPC_NW_NewResolve,
    XPC_NW_Convert,     XPC_NW_Finalize,
    nsnull,             XPC_NW_CheckAccess,
    XPC_NW_Call,        XPC_NW_Construct,
    nsnull,             XPC_NW_HasInstance,
    JS_CLASS_TRACE(XPC_NW_Trace), nsnull
  },
  // JSExtendedClass initialization
  XPC_NW_Equality
};

// If one of our class hooks is ever called from a non-system script, bypass
// the hook by calling the same hook on our wrapped native, with obj reset to
// the wrapped native's flat JSObject, so the hook and args macro parameters
// can be simply:
//
//      convert, (cx, obj, type, vp)
//
// in the call from XPC_NW_Convert, for example.

#define XPC_NW_CALL_HOOK(obj, hook, args)                                 \
Exemplo n.º 3
0
static JSBool
exn_enumerate(JSContext *cx, JSObject *obj);

static JSBool
exn_resolve(JSContext *cx, JSObject *obj, jsval id, uintN flags,
            JSObject **objp);

JSClass js_ErrorClass = {
    js_Error_str,
    JSCLASS_HAS_PRIVATE | JSCLASS_NEW_RESOLVE | JSCLASS_MARK_IS_TRACE |
    JSCLASS_HAS_CACHED_PROTO(JSProto_Error),
    JS_PropertyStub,  JS_PropertyStub,  JS_PropertyStub,  JS_PropertyStub,
    exn_enumerate,    (JSResolveOp)exn_resolve, JS_ConvertStub, exn_finalize,
    NULL,             NULL,             NULL,             Exception,
    NULL,             NULL,             JS_CLASS_TRACE(exn_trace), NULL
};

typedef struct JSStackTraceElem {
    JSString            *funName;
    size_t              argc;
    const char          *filename;
    uintN               ulineno;
} JSStackTraceElem;

typedef struct JSExnPrivate {
    /* A copy of the JSErrorReport originally generated. */
    JSErrorReport       *errorReport;
    JSString            *message;
    JSString            *filename;
    uintN               lineno;
Exemplo n.º 4
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    /*
     * FIXME be 390950. Generator's frame is a part of the JS stack when the
     * generator is running or closing. Thus tracing the frame in this case
     * here duplicates the work done in js_TraceContext.
     */
    js_TraceStackFrame(trc, &gen->frame);
}

JSClass js_GeneratorClass = {
    js_Generator_str,
    JSCLASS_HAS_PRIVATE | JSCLASS_IS_ANONYMOUS |
    JSCLASS_MARK_IS_TRACE | JSCLASS_HAS_CACHED_PROTO(JSProto_Generator),
    JS_PropertyStub,  JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
    JS_EnumerateStub, JS_ResolveStub,  JS_ConvertStub,  generator_finalize,
    NULL,             NULL,            NULL,            NULL,
    NULL,             NULL,            JS_CLASS_TRACE(generator_trace), NULL
};

/*
 * Called from the JSOP_GENERATOR case in the interpreter, with fp referring
 * to the frame by which the generator function was activated.  Create a new
 * JSGenerator object, which contains its own JSStackFrame that we populate
 * from *fp.  We know that upon return, the JSOP_GENERATOR opcode will return
 * from the activation in fp, so we can steal away fp->callobj and fp->argsobj
 * if they are non-null.
 */
JSObject *
js_NewGenerator(JSContext *cx, JSStackFrame *fp)
{
    JSObject *obj;
    uintN argc, nargs, nvars, nslots;