456 lines
15 KiB
Plaintext
456 lines
15 KiB
Plaintext
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: ConsoleOutput.sg
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//
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// Note: Uses /dev/conout to display console output.
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//
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namespace Microsoft.Singularity.Io
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{
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using Microsoft.SingSharp;
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using Microsoft.Singularity;
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using Microsoft.Singularity.V1.Services;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Directory;
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using System;
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using System.Text;
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using System.Globalization;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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public sealed class ConsoleOutput : ITracked
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{
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private static TContainer<ConsoleOutput> consoleContainer;
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private struct PipeData : ITracked {
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public UnicodePipeContract.Imp channel;
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public void Dispose()
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{
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delete channel;
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}
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void ITracked.Acquire() {}
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void ITracked.Release() {}
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public void Expose() {}
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public void UnExpose() {}
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public UnicodePipeContract.Imp:READY Swap([Claims] UnicodePipeContract.Imp:READY newPipe) {
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expose (this) {
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UnicodePipeContract.Imp result = this.channel;
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this.channel = newPipe;
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return result;
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}
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}
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}
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//
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//private struct DeviceData : ITracked {
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// public ConsoleDeviceContract.Imp:Ready channel;
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// public void Dispose()
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// {
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// delete channel;
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// }
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// void ITracked.Acquire() {}
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// void ITracked.Release() {}
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// public void Expose() {}
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// public void UnExpose() {}
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//}
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//
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private char[]! in ExHeap side;
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private PipeData pipe;
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//
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//private DeviceData device;
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//
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private ConsoleOutput([Claims] UnicodePipeContract.Imp? pipe)
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{
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this.side = new[ExHeap] char [280];
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this.pipe.channel = pipe;
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}
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private static UnicodePipeContract.Imp GetPipe()
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{
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UnicodePipeContract.Imp con = null;
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Endpoint* in ExHeap pipeep = Process.GetStartupEndpoint(1);
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if (pipeep != null) {
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con = pipeep as UnicodePipeContract.Imp;
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if (con == null) {
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Process.RetStartupEndpoint(1,pipeep);
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return null;
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}
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return con;
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}
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return null;
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}
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public static void Initialize()
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{
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//
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//ConsoleDeviceContract.Imp imp = null;
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//
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//imp = OpenConsole("/dev/video-text");
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//if (imp == null) {
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// imp = OpenConsole("/dev/conout");
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// if (imp == null) {
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// DebugStub.Print("Couldn't open console.\n");
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// return;
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// }
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//}
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//
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UnicodePipeContract.Imp pipe = GetPipe();
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ConsoleOutput co = new ConsoleOutput(pipe);
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consoleContainer = new TContainer<ConsoleOutput>(co);
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}
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public void Dispose()
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{
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this.pipe.Dispose();
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// this.device.Dispose();
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delete this.side;
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}
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void ITracked.Acquire() {
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//Tracing.Log(Tracing.Debug,"ConsoleOutput.Acquire");
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}
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void ITracked.Release() {
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//Tracing.Log(Tracing.Debug,"ConsoleOutput.Release");
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}
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void ITracked.Expose() {
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//Tracing.Log(Tracing.Debug,"ConsoleOutput.Expose");
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}
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void ITracked.UnExpose() {
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//Tracing.Log(Tracing.Debug,"ConsoleOutput.UnExpose");
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}
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public static void Finalize()
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{
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TContainer<ConsoleOutput> chandle = consoleContainer;
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consoleContainer = null;
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if (chandle == null) return;
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ConsoleOutput co = chandle.Acquire();
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if (co != null) co.Dispose();
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}
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//
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//private static ConsoleDeviceContract.Imp
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//OpenConsoleInternal(DirectoryServiceContract.Imp! nsImp,
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// [Claims] char[]! in ExHeap deviceName)
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//{
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// ConsoleDeviceContract.Exp! exp;
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// ConsoleDeviceContract.Imp! imp;
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// ConsoleDeviceContract.NewChannel(out imp, out exp);
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//
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// nsImp.SendBind(deviceName, exp);
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// switch receive {
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// case nsImp.AckBind():
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// return imp;
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// break;
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// case nsImp.NakBind(rejectImp, error):
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// delete rejectImp;
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// delete imp;
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// break;
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// case nsImp.ChannelClosed():
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// throw new Exception("Channel closed during Console bind.");
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// delete imp;
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// break;
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// case nsImp.NakBindReparse(path, rest, linked, backExp):
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// assert linked == true;
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// assert rest == null;
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// delete backExp;
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// delete imp;
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//
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// return OpenConsoleInternal(nsImp, path);
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// break;
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// }
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// return null;
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//}
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//
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//private static ConsoleDeviceContract.Imp OpenConsole(string! devName)
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//{
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// DirectoryServiceContract.Imp ns = DirectoryService.NewClientEndpoint();
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// ConsoleDeviceContract.Imp imp =
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// OpenConsoleInternal(ns, Bitter.FromString2(devName));
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// delete ns;
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//
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// if (imp != null) {
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// switch receive {
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// case imp.Success():
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// break;
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// case imp.ContractNotSupported():
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// throw new Exception("ConsoleOutput: ContractNotSupported");
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// break;
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// case imp.ChannelClosed():
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// throw new Exception("ConsoleOutput: ChannelClosed");
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// break;
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// }
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// }
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// return imp;
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//}
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//
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//public static void Clear()
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//{
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// if (consoleContainer == null) return;
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//
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// ConsoleOutput co = consoleContainer.Acquire();
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//
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// expose (co) {
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// ConsoleDeviceContract.Imp ep = co.device.channel;
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// if (ep != null) {
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// ep.SendClear();
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// switch receive {
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// case ep.AckClear():
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// break;
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// case ep.NakClear():
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// break;
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// case ep.ChannelClosed():
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// delete ep;
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// co.device.channel = null;
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// break;
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// }
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// }
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// }
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// consoleContainer.Release(co);
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//}
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//
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//public static void CursorFlash()
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//{
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// if (consoleContainer == null) return;
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//
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// ConsoleOutput co = consoleContainer.Acquire();
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//
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// expose (co) {
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// ConsoleDeviceContract.Imp ep = co.device.channel;
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// if (ep != null) {
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// ep.SendCursorFlash();
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// switch receive {
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// case ep.AckCursorFlash():
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// break;
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// case ep.NakCursorFlash():
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// break;
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// case ep.ChannelClosed():
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// delete ep;
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// co.device.channel = null;
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// break;
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// }
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// }
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// }
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// consoleContainer.Release(co);
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//}
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//
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//public static void CursorHide()
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//{
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// if (consoleContainer == null) return;
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//
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// ConsoleOutput co = consoleContainer.Acquire();
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//
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// expose (co) {
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// ConsoleDeviceContract.Imp ep = co.device.channel;
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// if (ep != null) {
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// ep.SendCursorHide();
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// switch receive {
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// case ep.AckCursorHide():
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// break;
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// case ep.NakCursorHide():
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// break;
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// case ep.ChannelClosed():
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// delete ep;
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// co.device.channel = null;
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// break;
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// }
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// }
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// }
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// consoleContainer.Release(co);
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//}
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//
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//public static void CursorShow()
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//{
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// if (consoleContainer == null) return;
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//
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// ConsoleOutput co = consoleContainer.Acquire();
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//
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// expose (co) {
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// ConsoleDeviceContract.Imp ep = co.device.channel;
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// if (ep != null) {
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// ep.SendCursorShow();
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// switch receive {
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// case ep.AckCursorShow():
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// break;
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// case ep.NakCursorShow():
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// break;
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// case ep.ChannelClosed():
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// delete ep;
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// co.device.channel = null;
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// break;
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// }
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// }
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// }
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// consoleContainer.Release(co);
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//}
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//
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public static char[]! in ExHeap Write([Claims] char[]! in ExHeap buffer,
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int index, int count)
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{
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if (consoleContainer == null) return buffer;
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ConsoleOutput co = consoleContainer.Acquire();
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try {
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expose (co) {
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if (co.pipe.channel != null) {
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return Write(buffer, index, count, ref co.pipe);
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}
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else {
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return buffer;
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}
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}
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}
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finally {
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consoleContainer.Release(co);
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}
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}
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//
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//private static char[]! in ExHeap Write([Claims] char[]! in ExHeap buffer,
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// int index, int count,
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// ref DeviceData device)
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//{
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// expose (device) {
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// ConsoleDeviceContract.Imp channel = device.channel;
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// if (channel != null) {
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// channel.SendWrite(buffer, index, count);
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// switch receive {
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// case channel.AckWrite(localside):
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// return localside;
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//
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// case channel.NakWrite(localside):
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// return localside;
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//
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// case channel.ChannelClosed():
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// delete channel;
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// device.channel = null;
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// return new[ExHeap] char[0];
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// }
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// }
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// else {
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// return buffer;
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// }
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// }
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//}
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//
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private static char[]! in ExHeap Write([Claims] char[]! in ExHeap buffer,
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int index, int count,
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ref PipeData pipe)
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{
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expose (pipe) {
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UnicodePipeContract.Imp channel = pipe.channel;
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if (channel != null) {
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// char[]! in ExHeap buffer=Bitter.FromString2(value);
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channel.SendWrite(buffer, index, count);
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switch receive {
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case channel.AckWrite(i_buffer):
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return i_buffer;
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case channel.ChannelClosed():
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delete channel;
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pipe.channel = null;
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return new[ExHeap] char[0];
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case unsatisfiable:
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DebugStub.Break();
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throw new Exception("Pipe unsatisfiable ");
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}
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}
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else {
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return buffer;
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}
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}
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}
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public static void Write(char[]! buffer, int index, int count)
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{
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if (consoleContainer == null) return;
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ConsoleOutput co = consoleContainer.Acquire();
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expose (co) {
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char[] in ExHeap side = co.side;
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if (side.Length < count) {
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delete side;
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co.side = side = new[ExHeap] char [count];
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}
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for (int i = 0; i < count; i++) {
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side[i] = buffer[index + i];
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}
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if (co.pipe.channel != null) {
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co.side = Write(side, index, count, ref co.pipe);
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}
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//
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//else {
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// co.side = Write(side, index, count, ref co.device);
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//}
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//
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}
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consoleContainer.Release(co);
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}
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public static void Write(String! value)
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{
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if (consoleContainer == null) return;
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ConsoleOutput co = consoleContainer.Acquire();
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expose (co) {
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char[] in ExHeap side = co.side;
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if (side.Length < value.Length) {
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delete side;
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|
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co.side = side = new[ExHeap] char [value.Length];
|
||
|
|
}
|
||
|
|
|
||
|
|
for (int i = 0; i < value.Length; i++) {
|
||
|
|
side[i] = value[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (co.pipe.channel != null) {
|
||
|
|
co.side = Write(side, 0, value.Length, ref co.pipe);
|
||
|
|
}
|
||
|
|
//
|
||
|
|
//else {
|
||
|
|
// co.side = Write(side, 0, value.Length, ref co.device);
|
||
|
|
//}
|
||
|
|
//
|
||
|
|
}
|
||
|
|
consoleContainer.Release(co);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static UnicodePipeContract.Imp:READY Swap([Claims] UnicodePipeContract.Imp:READY newOutput) {
|
||
|
|
if (consoleContainer == null) {
|
||
|
|
delete newOutput;
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
ConsoleOutput co = consoleContainer.Acquire();
|
||
|
|
|
||
|
|
UnicodePipeContract.Imp result;
|
||
|
|
expose(co) {
|
||
|
|
result = co.pipe.Swap(newOutput);
|
||
|
|
}
|
||
|
|
consoleContainer.Release(co);
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|