JS::GetSelfHostedFunction 编辑
This article covers features introduced in SpiderMonkey 31
Create a new JavaScript function that is implemented in self-hosted JavaScript.
Syntax
JSFunction*
JS::GetSelfHostedFunction(JSContext* cx, const char* selfHostedName, JS::Handle<jsid> id,
unsigned nargs);
| Name | Type | Description |
|---|---|---|
cx | JSContext* | The context from which to get the function. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext. |
selfHostedName | const char* | Function name in the self-hosted JavaScript. |
id | JS::Handle<jsid> | A pointer to jsid of the name to assign to the new function. |
nargs | unsigned | Number of arguments the function expects. |
Description
JS::GetSelfHostedFunction creates a new JavaScript function implemented in self-hosted JavaScript.
On success, JS::GetSelfHostedFunction returns a pointer to the newly created function. Otherwise, it reports an out-of-memory error and returns NULL.
See Also
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