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[elpa] externals/eglot 35597d2 22/22: Handle (un)registerCapability requ

From: João Távora
Subject: [elpa] externals/eglot 35597d2 22/22: Handle (un)registerCapability requests via generic functions
Date: Sat, 5 Jan 2019 09:31:05 -0500 (EST)

branch: externals/eglot
commit 35597d262b53bde52faa46ee6ae8c597d93114e8
Author: João Távora <address@hidden>
Commit: João Távora <address@hidden>

    Handle (un)registerCapability requests via generic functions
    * eglot.el (Version): Bump to 1.4
    (eglot-register-capability, eglot-unregister-capability): New
    generic functions.
    (eglot--register-unregister): Call eglot-register-capability,
    (eglot-register-capability s (eql
    workspace/didChangeWatchedFiles)): Rename from
    (eglot-unregister-capability s (eql
    workspace/didChangeWatchedFiles)): Rename from
 eglot.el | 34 ++++++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/eglot.el b/eglot.el
index 53e60fd..031a657 100644
--- a/eglot.el
+++ b/eglot.el
@@ -2,7 +2,7 @@
 ;; Copyright (C) 2018 Free Software Foundation, Inc.
-;; Version: 1.3
+;; Version: 1.4
 ;; Author: João Távora <address@hidden>
 ;; Maintainer: João Távora <address@hidden>
 ;; URL: https://github.com/joaotavora/eglot
@@ -440,6 +440,20 @@ treated as in `eglot-dbind'."
   "JSON object to send under `initializationOptions'"
   (:method (_s) nil)) ; blank default
+(cl-defgeneric eglot-register-capability (server method id &rest params)
+  "Ask SERVER to register capability METHOD marked with ID."
+  (:method
+   (_s method _id &rest _params)
+   (eglot--warn "Server tried to register unsupported capability `%s'"
+                method)))
+(cl-defgeneric eglot-unregister-capability (server method id &rest params)
+  "Ask SERVER to register capability METHOD marked with ID."
+  (:method
+   (_s method _id &rest _params)
+   (eglot--warn "Server tried to unregister unsupported capability `%s'"
+                method)))
 (cl-defgeneric eglot-client-capabilities (server)
   "What the EGLOT LSP client supports for SERVER."
   (:method (_s)
@@ -1423,12 +1437,14 @@ COMMAND is a symbol naming the command."
 (cl-defun eglot--register-unregister (server things how)
   "Helper for `registerCapability'.
-THINGS are either registrations or unregisterations."
+THINGS are either registrations or unregisterations (sic)."
    for thing in (cl-coerce things 'list)
    do (eglot--dbind ((Registration) id method registerOptions) thing
-        (apply (intern (format "eglot--%s-%s" how method))
-               server :id id registerOptions))))
+        (apply (cl-ecase how
+                 (register 'eglot-register-capability)
+                 (unregister 'eglot-unregister-capability))
+               server (intern method) id registerOptions))))
 (cl-defmethod eglot-handle-request
   (server (_method (eql client/registerCapability)) &key registrations)
@@ -2243,9 +2259,10 @@ If SKIP-SIGNATURE, don't try to send 
    for result = (replace-regexp-in-string pattern rep target)
    finally return result))
-(cl-defun eglot--register-workspace/didChangeWatchedFiles (server &key id 
+(cl-defmethod eglot-register-capability
+    (server (method (eql workspace/didChangeWatchedFiles)) id &key watchers)
   "Handle dynamic registration of workspace/didChangeWatchedFiles"
-  (eglot--unregister-workspace/didChangeWatchedFiles server :id id)
+  (eglot-unregister-capability server method id)
   (let* (success
          (globs (mapcar (eglot--lambda ((FileSystemWatcher) globPattern)
@@ -2280,9 +2297,10 @@ If SKIP-SIGNATURE, don't try to send 
                   `(:message ,(format "OK, watching %s watchers"
                                       (length watchers)))))
         (unless success
-          (eglot--unregister-workspace/didChangeWatchedFiles server :id 
+          (eglot-unregister-capability server method id))))))
-(cl-defun eglot--unregister-workspace/didChangeWatchedFiles (server &key id)
+(cl-defmethod eglot-unregister-capability
+  (server (_method (eql workspace/didChangeWatchedFiles)) id)
   "Handle dynamic unregistration of workspace/didChangeWatchedFiles"
   (mapc #'file-notify-rm-watch (gethash id (eglot--file-watches server)))
   (remhash id (eglot--file-watches server))

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