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REPL.swift
32 lines (27 loc) · 930 Bytes
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REPL.swift
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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// FIXME: Function types don't work yet as generic parameters
public struct _REPLExitHandler {
var f : () -> ()
init(_ f: () -> ()) {
self.f = f
}
}
var _replExitHandlers = [_REPLExitHandler]()
public func _atREPLExit(handler: () -> ()) {
_replExitHandlers.append(_REPLExitHandler(handler))
}
internal func _replExit() {
for handler in lazy(_replExitHandlers).reverse() {
handler.f()
}
}