4 files changed, 67 insertions, 1 deletions
diff --git a/server/src/matcher/find_result.lua b/server/src/matcher/find_result.lua
index b9313510..0b06ccad 100644
--- a/server/src/matcher/find_result.lua
+++ b/server/src/matcher/find_result.lua
@@ -9,6 +9,7 @@ return function (results, pos)
                 return {
                     type = 'var',
                     var = var,
+                    info = info,
                 }
             end
         end
@@ -19,6 +20,7 @@ return function (results, pos)
                 return {
                     type = 'dots',
                     dots = dots,
+                    info = info,
                 }
             end
         end
@@ -29,6 +31,7 @@ return function (results, pos)
                 return {
                     type = 'label',
                     label = label,
+                    info = info,
                 }
             end
         end
diff --git a/server/src/matcher/init.lua b/server/src/matcher/init.lua
index af604289..e0134c5b 100644
--- a/server/src/matcher/init.lua
+++ b/server/src/matcher/init.lua
@@ -2,6 +2,7 @@ local api = {
     definition     = require 'matcher.definition',
     implementation = require 'matcher.implementation',
     references     = require 'matcher.references',
+    rename         = require 'matcher.rename',
     compile        = require 'matcher.compile',
 }
 
diff --git a/server/src/matcher/rename.lua b/server/src/matcher/rename.lua
new file mode 100644
index 00000000..f67ec581
--- /dev/null
+++ b/server/src/matcher/rename.lua
@@ -0,0 +1,62 @@
+local findResult = require 'matcher.find_result'
+
+local function tryMeta(var)
+    local keys = {}
+    repeat
+        if var.childs.meta then
+            local metavar = var.childs.meta
+            for i = #keys, 1, -1 do
+                local key = keys[i]
+                metavar = metavar.childs[key]
+                if not metavar then
+                    return nil
+                end
+            end
+            return metavar
+        end
+        keys[#keys+1] = var.key
+        var = var.parent
+    until not var
+    return nil
+end
+
+local function parseResult(result)
+    local positions = {}
+    local tp = result.type
+    local key = result.info.source[1]
+    if     tp == 'var' then
+        local var = result.var
+        for _, info in ipairs(var) do
+            if info.source[1] == key then
+                positions[#positions+1] = {info.source.start, info.source.finish}
+            end
+        end
+        local metavar = tryMeta(var)
+        if metavar then
+            for _, info in ipairs(metavar) do
+                if info.source[1] == key then
+                    positions[#positions+1] = {info.source.start, info.source.finish}
+                end
+            end
+        end
+    elseif tp == 'label' then
+        local label = result.label
+        for _, info in ipairs(label) do
+            if info.source[1] == key then
+                positions[#positions+1] = {info.source.start, info.source.finish}
+            end
+        end
+    else
+        error('Unknow result type:' .. result.type)
+    end
+    return positions
+end
+
+return function (results, pos)
+    local result = findResult(results, pos)
+    if not result then
+        return nil
+    end
+    local positions = parseResult(result)
+    return positions
+end
diff --git a/server/src/method/textDocument/rename.lua b/server/src/method/textDocument/rename.lua
index ac1e8fc6..1340226b 100644
--- a/server/src/method/textDocument/rename.lua
+++ b/server/src/method/textDocument/rename.lua
@@ -10,7 +10,7 @@ return function (lsp, params)
     end
     -- lua是从1开始的，因此都要+1
     local position = lines:position(params.position.line + 1, params.position.character + 1, 'utf8')
-    local positions = matcher.references(results, position, true)
+    local positions = matcher.rename(results, position)
     if not positions then
         return {}
     end