Method capture

interpreter.go:241–247

Build a binding frame containing specified variables.

(freeVars ast.Identifiers)

// Build a binding frame containing specified variables.
func (s *callStack) capture(freeVars ast.Identifiers) bindingFrame {
	env := make(bindingFrame, len(freeVars))
	for _, fv := range freeVars {
		env[fv] = s.lookUpVarOrPanic(fv)
	}
	return env
}

func makeCallStack(limit int) callStack {
	return callStack{