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Add support for Fiber.try(_) (#835)

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* Add support for Fiber.try(_)
* Add documentation for Fiber.try(_)
* Add another test for Fiber.try(_)
This commit is contained in:
Alexander Klingenbeck
2020-12-03 17:21:37 +01:00
committed by GitHub
parent 473392a56a
commit f5339993ce
4 changed files with 56 additions and 0 deletions
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10
src/vm/wren_core.c
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@ -191,6 +191,15 @@ DEF_PRIMITIVE(fiber_try)
return false;
}
DEF_PRIMITIVE(fiber_try1)
{
runFiber(vm, AS_FIBER(args[0]), args, true, true, "try");
// If we're switching to a valid fiber to try, remember that we're trying it.
if (!wrenHasError(vm->fiber)) vm->fiber->state = FIBER_TRY;
return false;
}
DEF_PRIMITIVE(fiber_yield)
{
ObjFiber* current = vm->fiber;
@ -1235,6 +1244,7 @@ void wrenInitializeCore(WrenVM* vm)
PRIMITIVE(vm->fiberClass, "transfer(_)", fiber_transfer1);
PRIMITIVE(vm->fiberClass, "transferError(_)", fiber_transferError);
PRIMITIVE(vm->fiberClass, "try()", fiber_try);
PRIMITIVE(vm->fiberClass, "try(_)", fiber_try1);
vm->fnClass = AS_CLASS(wrenFindVariable(vm, coreModule, "Fn"));
PRIMITIVE(vm->fnClass->obj.classObj, "new(_)", fn_new);