92 lines
3.1 KiB
Clojure
92 lines
3.1 KiB
Clojure
;;;; swank-clojure.clj --- Swank server for Clojure
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;;;
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;;; Copyright (C) 2008 Jeffrey Chu
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;;;
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;;; This file is licensed under the terms of the GNU General Public
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;;; License as distributed with Emacs (press C-h C-c to view it).
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;;;
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;;; See README file for more information about installation
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;;;
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(ns swank.swank
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(:use [swank.core]
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[swank.core connection server]
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[swank.util.concurrent thread]
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[swank.util.net sockets]
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[clojure.main :only [repl]])
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(:require [swank.commands]
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[swank.commands basic indent completion
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contrib inspector])
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(:import [java.lang System]
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[java.io File])
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(:gen-class))
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(defn ignore-protocol-version [version]
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(reset! protocol-version version))
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(defn- connection-serve [conn]
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(let [control
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(dothread-swank
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(thread-set-name "Swank Control Thread")
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(try
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(control-loop conn)
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(catch Exception e
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;; fail silently
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nil))
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(close-socket! (conn :socket)))
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read
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(dothread-swank
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(thread-set-name "Read Loop Thread")
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(try
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(read-loop conn control)
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(catch Exception e
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;; This could be put somewhere better
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(.println System/err "exception in read loop")
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(.printStackTrace e)
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(.interrupt control)
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(dosync (alter connections (partial remove #{conn}))))))]
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(dosync
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(ref-set (conn :control-thread) control)
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(ref-set (conn :read-thread) read))))
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(defn start-server
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"Start the server and write the listen port number to
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PORT-FILE. This is the entry point for Emacs."
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[port-file & opts]
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(let [opts (apply hash-map opts)]
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(setup-server (get opts :port 0)
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(fn announce-port [port]
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(announce-port-to-file port-file port)
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(simple-announce port))
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connection-serve
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opts)))
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(def #^{:private true} encodings-map
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{"UTF-8" "utf-8-unix"
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})
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(defn- get-system-encoding []
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(when-let [enc-name (.name (java.nio.charset.Charset/defaultCharset))]
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(encodings-map enc-name)))
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(defn start-repl
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"Start the server wrapped in a repl. Use this to embed swank in your code."
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([port & opts]
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(let [stop (atom false)
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opts (merge {:port (Integer. port)
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:encoding (or (System/getProperty "swank.encoding")
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(get-system-encoding)
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"iso-latin-1-unix")}
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(apply hash-map opts))]
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(repl :read (fn [rprompt rexit]
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(if @stop rexit
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(do (reset! stop true)
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`(start-server (-> "java.io.tmpdir"
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(System/getProperty)
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(File. "slime-port.txt")
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(.getCanonicalPath))
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~@(apply concat opts)))))
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:need-prompt (constantly false))))
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([] (start-repl 4005)))
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(def -main start-repl)
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