50 lines
2.1 KiB
JavaScript
50 lines
2.1 KiB
JavaScript
//---------------------------------------------------------------------------
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// @syndicate-lang/syntax-test, a demo of Syndicate extensions to JS.
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// Copyright (C) 2016-2018 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//---------------------------------------------------------------------------
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import { Observe, Dataspace, genUuid, currentFacet } from "@syndicate-lang/core";
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const S = activate require("@syndicate-lang/driver-streams-node");
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const net = require('net');
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const stdin = genUuid('stdin');
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const stdout = genUuid('stdout');
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spawn named 'stdioServer' {
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during Observe(S.Readable(stdin)) spawn S.readableStreamBehaviour(stdin, process.stdin);
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during Observe(S.Writable(stdout)) spawn S.writableStreamBehaviour(stdout, process.stdout);
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}
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spawn named 'chatclient' {
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const id = genUuid('tcpconn');
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assert S.OutgoingConnection(id, S.TcpAddress('localhost', 5999));
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stop on message S.ConnectionRejected(id, $err) {
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console.error('Connection rejected', err);
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}
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stop on message S.ConnectionAccepted(id) {
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react {
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stop on retracted S.Duplex(id);
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stop on retracted S.Readable(stdin);
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stop on retracted S.Writable(stdout);
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assert S.BackPressure(stdin, id);
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assert S.BackPressure(id, stdout);
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on message S.Line(stdin, $line) send S.Push(id, line.toString('utf-8') + '\n', null);
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on message S.Line(id, $line) send S.Push(stdout, line.toString('utf-8') + '\n', null);
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}
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}
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}
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