1 files changed, 50 insertions, 0 deletions
diff --git a/script/method/textDocument/rename.lua b/script/method/textDocument/rename.lua
new file mode 100644
index 00000000..6da9c721
--- /dev/null
+++ b/script/method/textDocument/rename.lua
@@ -0,0 +1,50 @@
+local core = require 'core'
+
+return function (lsp, params)
+    local uri = params.textDocument.uri
+    local newName = params.newName
+    local vm, lines = lsp:loadVM(uri)
+    if not vm then
+        return {}
+    end
+    local position = lines:positionAsChar(params.position.line + 1, params.position.character)
+    local positions = core.rename(vm, position, newName)
+    if not positions then
+        return {}
+    end
+
+    local changes = {}
+    for _, position in ipairs(positions) do
+        local start, finish, uri = position[1], position[2], position[3]
+        local _, lines = lsp:getVM(uri)
+        if not lines then
+            goto CONTINUE
+        end
+        local start_row,  start_col  = lines:rowcol(start)
+        local finish_row, finish_col = lines:rowcol(finish)
+        if not changes[uri] then
+            changes[uri] = {}
+        end
+        changes[uri][#changes[uri]+1] = {
+            newText = newName,
+            range = {
+                start = {
+                    line = start_row - 1,
+                    character = start_col - 1,
+                },
+                ['end'] = {
+                    line = finish_row - 1,
+                    -- 这里不用-1，因为前端期待的是匹配完成后的位置
+                    character = finish_col,
+                },
+            }
+        }
+        ::CONTINUE::
+    end
+
+    local response = {
+        changes = changes,
+    }
+
+    return response
+end