6 files changed, 46 insertions, 4 deletions
diff --git a/server/locale/en-US/script.lni b/server/locale/en-US/script.lni
index 51f99eb6..d38e34a4 100644
--- a/server/locale/en-US/script.lni
+++ b/server/locale/en-US/script.lni
@@ -60,6 +60,12 @@ PARSER_UNSUPPORT_SYMBOL = '{version} does not support this grammar.'
 
 SYMBOL_ANONYMOUS        = '<Anonymous>'
 
+HOVER_DOCUMENT_LUA51    = '[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUA52    = '[View documents](http://www.lua.org/manual/5.2/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUA53    = '[View documents](http://www.lua.org/manual/5.3/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUA54    = '[View documents](http://www.lua.org/work/doc/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUAJIT   = '[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-{})'
+
 ACTION_DISABLE_DIAG     = 'Disable diagnostics ({}).'
 ACTION_MARK_GLOBAL      = 'Mark `{}` as defined global.'
 ACTION_REMOVE_SPACE     = 'Clear all postemptive spaces.'
diff --git a/server/locale/zh-CN/script.lni b/server/locale/zh-CN/script.lni
index aa2daf05..5e7a43eb 100644
--- a/server/locale/zh-CN/script.lni
+++ b/server/locale/zh-CN/script.lni
@@ -60,6 +60,12 @@ PARSER_UNSUPPORT_SYMBOL = '{version} 不支持该符号。'
 
 SYMBOL_ANONYMOUS        = '<匿名函数>'
 
+HOVER_DOCUMENT_LUA51    = '[查看文档](http://www.lua.org/manual/5.1/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUA52    = '[查看文档](http://www.lua.org/manual/5.2/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUA53    = '[查看文档](http://cloudwu.github.io/lua53doc/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUA54    = '[查看文档](http://www.lua.org/work/doc/manual.html#pdf-{})'
+HOVER_DOCUMENT_LUAJIT   = '[查看文档](http://www.lua.org/manual/5.1/manual.html#pdf-{})'
+
 ACTION_DISABLE_DIAG     = '禁用诊断({})。'
 ACTION_MARK_GLOBAL      = '标记 `{}` 为已定义的全局变量。'
 ACTION_REMOVE_SPACE     = '清除所有后置空格。'
diff --git a/server/src/core/completion.lua b/server/src/core/completion.lua
index c192535d..3c6d9057 100644
--- a/server/src/core/completion.lua
+++ b/server/src/core/completion.lua
@@ -69,7 +69,8 @@ local function getDucumentation(name, value)
 ```lua
 %s
 ```
-]]):format(hover.label or '', hover.description or '', hover.enum or '')
+%s
+]]):format(hover.label or '', hover.description or '', hover.enum or '', hover.doc or '')
         return {
             kind = 'markdown',
             value = text,
diff --git a/server/src/core/hover/lib_function.lua b/server/src/core/hover/lib_function.lua
index c3caea7a..56e6e22f 100644
--- a/server/src/core/hover/lib_function.lua
+++ b/server/src/core/hover/lib_function.lua
@@ -1,4 +1,5 @@
-
+local lang = require 'language'
+local config = require 'config'
 local function buildLibArgs(lib, object, select)
     if not lib.args then
         return ''
@@ -171,11 +172,31 @@ local function buildEnum(lib)
     return table.concat(strs)
 end
 
+local function buildDoc(lib)
+    local doc = lib.doc
+    if not doc then
+        return
+    end
+    local version = config.config.runtime.version
+    if version == 'Lua 5.1' then
+        return lang.script('HOVER_DOCUMENT_LUA51', doc)
+    elseif version == 'Lua 5.2' then
+        return lang.script('HOVER_DOCUMENT_LUA52', doc)
+    elseif version == 'Lua 5.3' then
+        return lang.script('HOVER_DOCUMENT_LUA53', doc)
+    elseif version == 'Lua 5.4' then
+        return lang.script('HOVER_DOCUMENT_LUA54', doc)
+    elseif version == 'LuaJIT' then
+        return lang.script('HOVER_DOCUMENT_LUAJIT', doc)
+    end
+end
+
 return function (name, lib, object, select)
     local args, argLabel = buildLibArgs(lib, object, select)
     local returns = buildLibReturns(lib)
     local enum = buildEnum(lib)
     local tip = lib.description
+    local doc = buildDoc(lib)
     local headLen = #('function %s('):format(name)
     local title = ('function %s(%s)%s'):format(name, args, returns)
     if argLabel then
@@ -187,5 +208,6 @@ return function (name, lib, object, select)
         description = tip,
         enum = enum,
         argLabel = argLabel,
+        doc = doc,
     }
 end
diff --git a/server/src/core/library.lua b/server/src/core/library.lua
index f0c292aa..d5edad66 100644
--- a/server/src/core/library.lua
+++ b/server/src/core/library.lua
@@ -88,6 +88,9 @@ local function insertGlobal(tbl, key, value)
     if not isMatchVersion(value.version) then
         return false
     end
+    if not value.doc then
+        value.doc = key
+    end
     tbl[key] = value
     return true
 end
@@ -175,6 +178,9 @@ local function insertChild(tbl, name, key, value)
     if not isMatchVersion(value.version) then
         return
     end
+    if not value.doc then
+        value.doc = ('%s.%s'):format(name, key)
+    end
     if not tbl[name] then
         tbl[name] = {
             type = name,
@@ -189,7 +195,7 @@ local function mergeParent(alllibs, name, lib, libName)
     for _, parent in ipairs(lib.parent) do
         if parent.type == 'global' then
             if isEnableGlobal(libName) then
-                insertChild(alllibs.global,  parent.name, name, lib)
+                insertChild(alllibs.global, parent.name, name, lib)
             end
         elseif parent.type == 'library' then
             insertChild(alllibs.library, parent.name, name, lib)
diff --git a/server/src/method/textDocument/hover.lua b/server/src/method/textDocument/hover.lua
index 4ea76d6d..4e4b754d 100644
--- a/server/src/method/textDocument/hover.lua
+++ b/server/src/method/textDocument/hover.lua
@@ -27,7 +27,8 @@ return function (lsp, params)
 ```lua
 %s
 ```
-]]):format(hover.label or '', hover.description or '', hover.enum or '')
+%s
+]]):format(hover.label or '', hover.description or '', hover.enum or '', hover.doc or '')
 
     local response = {
         contents = {