com.oracle.truffle.api

Interface TruffleLanguage.ContextLocalFactory<C,T>

Enclosing class:

TruffleLanguage<C>

@FunctionalInterface
protected static interface TruffleLanguage.ContextLocalFactory<C,T>

Context local factory for Truffle languages. Creates a new value per context.

Since:

20.3

Method Summary

Modifier and Type	Method and Description
T	create(C context) Returns a new value for a context local of a language.

Method Detail

create

T create(C context)

Returns a new value for a context local of a language. The returned value must not be null and must return a stable and exact type per registered language. A thread local must always return the same class, even for multiple instances of the same TruffleLanguage. If this method throws an AbstractTruffleException the exception interop messages may be executed without a context being entered.

Since:

20.3

See Also:

TruffleLanguage.ContextLocalProvider.createContextLocal(TruffleLanguage.ContextLocalFactory)