4 files changed, 37 insertions, 25 deletions
diff --git a/server-beta/src/files.lua b/server-beta/src/files.lua
index 1a1cf347..6c0d8dae 100644
--- a/server-beta/src/files.lua
+++ b/server-beta/src/files.lua
@@ -31,6 +31,15 @@ function m.close(uri)
     m.openMap[uri] = nil
 end
 
+--- 是否存在
+---@return boolean
+function m.exists(uri)
+    if platform.OS == 'Windows' then
+        uri = uri:lower()
+    end
+    return m.fileMap[uri] ~= nil
+end
+
 --- 设置文件文本
 ---@param uri string
 ---@param text string
diff --git a/server-beta/src/parser/guide.lua b/server-beta/src/parser/guide.lua
index a561e49c..f8330438 100644
--- a/server-beta/src/parser/guide.lua
+++ b/server-beta/src/parser/guide.lua
@@ -247,28 +247,6 @@ function m.getLabel(block, name)
     error('guide.getLocal overstack')
 end
 
---- 获取指定区块中的 return
-function m.getReturns(block)
-    local list = { block }
-    local returns = {}
-    for i = 1, 1000 do
-        local len = #list
-        if len == 0 then
-            return
-        end
-        local obj = list[len]
-        list[len] = nil
-        if obj.type == 'return' then
-            returns[#returns+1] = obj
-        end
-        if i > 1 and obj.type == 'function' then
-        else
-            m.addChilds(list, obj, m.actionMap)
-        end
-    end
-    return returns
-end
-
 --- 判断source是否包含offset
 function m.isContain(source, offset)
     return source.start <= offset and source.finish >= offset - 1
diff --git a/server-beta/src/proto/provider.lua b/server-beta/src/proto/provider.lua
index 9ad5147a..a27066aa 100644
--- a/server-beta/src/proto/provider.lua
+++ b/server-beta/src/proto/provider.lua
@@ -150,14 +150,13 @@ end)
 proto.on('textDocument/definition', function (params)
     local core   = require 'core.definition'
     local uri    = params.textDocument.uri
-    local ast    = files.getAst(uri)
-    if not ast then
+    if not files.exists(uri) then
         return nil
     end
     local lines  = files.getLines(uri)
     local text   = files.getText(uri)
     local offset = inte.offset(lines, text, params.position)
-    local result = core(ast, offset)
+    local result = core(uri, offset)
     if not result then
         return nil
     end
diff --git a/server-beta/src/searcher/eachRef.lua b/server-beta/src/searcher/eachRef.lua
index 65fd3529..93a05079 100644
--- a/server-beta/src/searcher/eachRef.lua
+++ b/server-beta/src/searcher/eachRef.lua
@@ -1,5 +1,25 @@
 local guide = require 'parser.guide'
 
+local function ofCall(searcher, func, index, callback)
+    searcher:eachRef(func, function (info)
+        local src = info.source
+        local funcDef = src.value
+        if funcDef and funcDef.type == 'function' then
+            -- 搜索函数第 index 个返回值
+        end
+    end)
+end
+
+local function ofValue(searcher, value, callback)
+    -- 检查函数返回值
+    if value.type == 'select' then
+        local call = value.vararg
+        if call.type == 'call' then
+            ofCall(searcher, call.node, value.index, callback)
+        end
+    end
+end
+
 local function ofSelf(searcher, loc, callback)
     -- self 的2个特殊引用位置：
     -- 1. 当前方法定义时的对象（mt）
@@ -32,12 +52,18 @@ local function ofLocal(searcher, loc, callback)
                     source   = ref,
                     mode     = 'set',
                 }
+                if ref.value then
+                    ofValue(searcher, ref.value, callback)
+                end
             end
         end
     end
     if loc.tag == 'self' then
         ofSelf(searcher, loc, callback)
     end
+    if loc.value then
+        ofValue(searcher, loc.value, callback)
+    end
 end
 
 local function checkField(key, info, callback)