#259 客户端不支持动态注册启用自动完成时，总是启用自动完成

Author: sumneko

Diff for: script-beta/provider/capability.lua

@@ -1,38 +1,61 @@
-local sp = require 'bee.subprocess'
+local sp     = require 'bee.subprocess'
+local nonil  = require 'without-check-nil'
+local client = require 'provider.client'
 
 local m = {}
 
-m.initer = {
-    -- 文本同步方式
-    textDocumentSync = {
-        -- 打开关闭文本时通知
-        openClose = true,
-        -- 文本改变时完全通知 TODO 支持差量更新（2）
-        change = 1,
-    },
+local function allWords()
+    local str = [[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.:('"[,#*@| ]]
+    local list = {}
+    for c in str:gmatch '.' do
+        list[#list+1] = c
+    end
+    return list
+end
 
-    hoverProvider = true,
-    definitionProvider = true,
-    referencesProvider = true,
-    renameProvider = {
-        prepareProvider = true,
-    },
-    documentSymbolProvider = true,
-    workspaceSymbolProvider = true,
-    documentHighlightProvider = true,
-    codeActionProvider = true,
-    signatureHelpProvider = {
-        triggerCharacters = { '(', ',' },
-    },
-    executeCommandProvider = {
-        commands = {
-            'lua.removeSpace:' .. sp:get_id(),
-            'lua.solve:' .. sp:get_id(),
+function m.getIniter()
+    local initer = {
+        -- 文本同步方式
+        textDocumentSync = {
+            -- 打开关闭文本时通知
+            openClose = true,
+            -- 文本改变时完全通知 TODO 支持差量更新（2）
+            change = 1,
         },
-    },
-    --documentOnTypeFormattingProvider = {
-    --    firstTriggerCharacter = '}',
-    --},
-}
+
+        hoverProvider = true,
+        definitionProvider = true,
+        referencesProvider = true,
+        renameProvider = {
+            prepareProvider = true,
+        },
+        documentSymbolProvider = true,
+        workspaceSymbolProvider = true,
+        documentHighlightProvider = true,
+        codeActionProvider = true,
+        signatureHelpProvider = {
+            triggerCharacters = { '(', ',' },
+        },
+        executeCommandProvider = {
+            commands = {
+                'lua.removeSpace:' .. sp:get_id(),
+                'lua.solve:' .. sp:get_id(),
+            },
+        }
+        --documentOnTypeFormattingProvider = {
+        --    firstTriggerCharacter = '}',
+        --},
+    }
+
+    nonil.enable()
+    if not client.info.capabilities.textDocument.completion.dynamicRegistration then
+        initer.completionProvider = {
+            triggerCharacters = allWords(),
+        }
+    end
+    nonil.disable()
+
+    return initer
+end
 
 return m

Diff for: script-beta/provider/completion.lua

@@ -12,6 +12,7 @@ local function allWords()
 end
 
 local function enable()
+    -- TODO 检查客户端是否支持动态注册自动完成
     if isEnable then
         return
     end

Diff for: script-beta/provider/provider.lua

@@ -87,7 +87,7 @@ proto.on('initialize', function (params)
     library.init()
     workspace.init(params.rootUri)
     return {
-        capabilities = cap.initer,
+        capabilities = cap.getIniter(),
         serverInfo   = {
             name    = 'sumneko.lua',
             version = 'beta',