JS::PropertySpecNameToPermanentId 编辑

This article covers features introduced in SpiderMonkey 38

Create a jsid that does not need to be marked for GC.

Syntax

bool
JS::PropertySpecNameToPermanentId(JSContext *cx, const char *name, jsid *idp);

Description

JS::PropertySpecNameToPermanentId creates a jsid that does not need to be marked for GC from JSPropertySpec::name or JSFunctionSpec::name. The resulting jsid, on success, is either an interned string or a well-known symbol; either way it is immune to GC so there is no need to visit *idp during GC marking..

See Also

• MXR ID Search for JS::PropertySpecNameToPermanentId
• JS::PropertySpecNameIsSymbol
• JS::PropertySpecNameEqualsId
• JSPropertySpec
• JSFunctionSpec
• bug 1082672