func MaterializeSystem(system interface{}, index, barrier Circuit) (residue interface{}) {
defer func() {
if r := recover(); r != nil {
switch t := r.(type) {
case Panic:
fmt.Fprintf(os.Stderr, t.Msg)
fmt.Fprintf(os.Stderr, PrintableMatter(t.Matter))
runtime.PrintStack()
os.Exit(1)
default:
panic(r)
}
}
}()
if barrier.IsNil() {
barrier = New()
}
parent := New().
Grow("Index", index).
Grow("View", New()).
Grow("System", system).
Grow("Barrier", barrier)
return route(system, nil, newSubMatter(parent))
}
func (g *gate) Cognize(eye *Eye, valve circuit.Name, value interface{}) {
// Catch panics during cognizing and report their context to the user
defer func() {
if r := recover(); r != nil {
fmt.Fprintf(os.Stderr, "%v\n\n%v\n", r, PrintableMatter(g.Matter))
runtime.PrintStack()
os.Exit(1)
}
}()
// Resolve handler
handler, ell := g.Ellipses, true
if _, ok := valve.(string); ok {
if h, ok := g.Fixed[valve]; ok {
handler, ell = h, false
}
}
// Invoke handler
if ell {
handler.Call(
[]reflect.Value{
reflect.ValueOf(eye),
reflect.ValueOf(valve),
reflect.ValueOf(value),
},
)
} else {
handler.Call(
[]reflect.Value{
reflect.ValueOf(eye),
reflect.ValueOf(value),
},
)
}
}