void
gjs_explain_scope(JSContext *context,
const char *title)
{
JSContext *load_context;
JSContext *call_context;
JSObject *global;
JSObject *parent;
GString *chain;
gjs_debug(GJS_DEBUG_SCOPE,
"=== %s ===",
title);
load_context = gjs_runtime_peek_load_context(JS_GetRuntime(context));
call_context = gjs_runtime_peek_call_context(JS_GetRuntime(context));
JS_BeginRequest(context);
JS_BeginRequest(load_context);
JS_BeginRequest(call_context);
JS_EnterLocalRootScope(context);
gjs_debug(GJS_DEBUG_SCOPE,
" Context: %p %s",
context,
context == load_context ? "(LOAD CONTEXT)" :
context == call_context ? "(CALL CONTEXT)" :
"");
global = JS_GetGlobalObject(context);
gjs_debug(GJS_DEBUG_SCOPE,
" Global: %p %s",
global, gjs_value_debug_string(context, OBJECT_TO_JSVAL(global)));
parent = JS_GetScopeChain(context);
chain = g_string_new(NULL);
while (parent != NULL) {
const char *debug;
debug = gjs_value_debug_string(context, OBJECT_TO_JSVAL(parent));
if (chain->len > 0)
g_string_append(chain, ", ");
g_string_append_printf(chain, "%p %s",
parent, debug);
parent = JS_GetParent(context, parent);
}
gjs_debug(GJS_DEBUG_SCOPE,
" Chain: %s",
chain->str);
g_string_free(chain, TRUE);
JS_LeaveLocalRootScope(context);
JS_EndRequest(call_context);
JS_EndRequest(load_context);
JS_EndRequest(context);
}
// static
JSBool
XPCThrower::ThrowExceptionObject(JSContext* cx, nsIException* e)
{
JSBool success = JS_FALSE;
if(e)
{
nsCOMPtr<nsIXPCException> xpcEx;
jsval thrown;
nsXPConnect* xpc;
// If we stored the original thrown JS value in the exception
// (see XPCConvert::ConstructException) and we are in a web
// context (i.e., not chrome), rethrow the original value.
if(!IsCallerChrome(cx) &&
(xpcEx = do_QueryInterface(e)) &&
NS_SUCCEEDED(xpcEx->StealJSVal(&thrown)))
{
if (!JS_WrapValue(cx, &thrown))
return JS_FALSE;
JS_SetPendingException(cx, thrown);
success = JS_TRUE;
}
else if((xpc = nsXPConnect::GetXPConnect()))
{
JSObject* glob = JS_GetScopeChain(cx);
if(!glob)
return JS_FALSE;
glob = JS_GetGlobalForObject(cx, glob);
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
nsresult rv = xpc->WrapNative(cx, glob, e,
NS_GET_IID(nsIException),
getter_AddRefs(holder));
if(NS_SUCCEEDED(rv) && holder)
{
JSObject* obj;
if(NS_SUCCEEDED(holder->GetJSObject(&obj)))
{
JS_SetPendingException(cx, OBJECT_TO_JSVAL(obj));
success = JS_TRUE;
}
}
}
}
return success;
}
static JSBool
js_on_exit(JSContext *cx, uintN argc, jsval *arglist)
{
JSObject *scope=JS_GetScopeChain(cx);
JSObject *glob=JS_GetGlobalObject(cx);
jsval *argv=JS_ARGV(cx, arglist);
global_private_t* pd;
str_list_t list;
str_list_t oldlist;
char *p;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if(glob==scope) {
if((pd=(global_private_t*)JS_GetPrivate(cx,glob))==NULL)
return(JS_FALSE);
if(pd->exit_func==NULL)
pd->exit_func=strListInit();
list=pd->exit_func;
}
else {
list=(str_list_t)JS_GetPrivate(cx,scope);
if(list==NULL) {
list=strListInit();
JS_SetPrivate(cx,scope,list);
}
}
JSVALUE_TO_MSTRING(cx, argv[0], p, NULL);
HANDLE_PENDING(cx);
if(!p)
return JS_TRUE;
oldlist=list;
strListPush(&list,p);
free(p);
if(oldlist != list) {
if(glob==scope)
pd->exit_func=list;
else
JS_SetPrivate(cx,scope,list);
}
return(JS_TRUE);
}
JSBool
XPC_COW_RewrapForContent(JSContext *cx, JSObject *wrapperObj, jsval *vp)
{
jsval v = *vp;
if (JSVAL_IS_PRIMITIVE(v)) {
return JS_TRUE;
}
JSObject *obj = GetWrappedJSObject(cx, JSVAL_TO_OBJECT(v));
if (!obj) {
*vp = JSVAL_NULL;
return JS_TRUE;
}
if (JS_ObjectIsFunction(cx, obj)) {
return XPC_COW_WrapFunction(cx, wrapperObj, obj, vp);
}
return XPC_COW_WrapObject(cx, JS_GetScopeChain(cx), OBJECT_TO_JSVAL(obj),
vp);
}
