feat(lsp)!: location_to_items and symbol_to_item require offset_encoding

runtime/doc/lsp.txt

@@ -2380,12 +2380,14 @@ stylize_markdown({bufnr}, {contents}, {opts})
     Return: ~
         (`table`) stripped content
 
-symbols_to_items({symbols}, {bufnr})         *vim.lsp.util.symbols_to_items()*
+                                             *vim.lsp.util.symbols_to_items()*
+symbols_to_items({symbols}, {bufnr}, {position_encoding})
     Converts symbols to quickfix list items.
 
     Parameters: ~
       • {symbols}            (`lsp.DocumentSymbol[]|lsp.SymbolInformation[]`)
       • {bufnr}              (`integer?`)
+      • {position_encoding}  (`'utf-8'|'utf-16'|'utf-32'`)
 
     Return: ~
         (`vim.quickfix.entry[]`) See |setqflist()| for the format

runtime/doc/news.txt

@@ -110,6 +110,8 @@ LSP
 • |vim.lsp.util.make_position_params()|, |vim.lsp.util.make_range_params()|
   and |vim.lsp.util.make_given_range_params()| now require the `position_encoding`
   parameter.
+• |vim.lsp.util.location_to_items| and |vim.lsp.util.symbols_to_items()| now
+  requires the `position_encoding` parameter.
 
 LUA
 

runtime/lua/vim/lsp/handlers.lua

@@ -231,7 +231,7 @@ end
 ---
 --- The returned function has an optional {config} parameter that accepts |vim.lsp.ListOpts|
 ---
----@param map_result fun(resp, bufnr: integer): table to convert the response
+---@param map_result fun(resp, bufnr: integer, position_encoding: 'utf-8'|'utf-16'|'utf-32'): table to convert the response
 ---@param entity string name of the resource used in a `not found` error message
 ---@param title_fn fun(ctx: lsp.HandlerContext): string Function to call to generate list title
 ---@return lsp.Handler
@@ -244,7 +244,8 @@ local function response_to_list(map_result, entity, title_fn)
     end
     config = config or {}
     local title = title_fn(ctx)
-    local items = map_result(result, ctx.bufnr)
+    local client = assert(vim.lsp.get_client_by_id(ctx.client_id))
+    local items = map_result(result, ctx.bufnr, client.offset_encoding)
 
     local list = { title = title, items = items, context = ctx }
     if config.loclist then

runtime/lua/vim/lsp/util.lua

@@ -1774,9 +1774,19 @@ end
 ---
 ---@param symbols lsp.DocumentSymbol[]|lsp.SymbolInformation[]
 ---@param bufnr? integer
+---@param position_encoding 'utf-8'|'utf-16'|'utf-32'
 ---@return vim.quickfix.entry[] # See |setqflist()| for the format
-function M.symbols_to_items(symbols, bufnr)
+function M.symbols_to_items(symbols, bufnr, position_encoding)
   bufnr = bufnr or 0
+  if position_encoding == nil then
+    vim.notify_once(
+      'symbols_to_items must be called with valid position encoding',
+      vim.log.levels.WARN
+    )
+    local clients = vim.lsp.get_clients({ bufnr = bufnr })
+    position_encoding = vim.tbl_isempty(clients) and 'utf-16' or clients[1].offset_encoding
+  end
+
   local items = {} --- @type vim.quickfix.entry[]
   for _, symbol in ipairs(symbols) do
     --- @type string?, lsp.Range?
@@ -1796,9 +1806,9 @@ function M.symbols_to_items(symbols, bufnr)
       local kind = protocol.SymbolKind[symbol.kind] or 'Unknown'
 
       local lnum = range['start'].line + 1
-      local col = range['start'].character + 1
+      local col = get_line_byte_from_position(bufnr, range['start'], position_encoding) + 1
       local end_lnum = range['end'].line + 1
-      local end_col = range['end'].character + 1
+      local end_col = get_line_byte_from_position(bufnr, range['end'], position_encoding) + 1
 
       items[#items + 1] = {
         filename = filename,
@@ -1812,7 +1822,7 @@ function M.symbols_to_items(symbols, bufnr)
     end
 
     if symbol.children then
-      list_extend(items, M.symbols_to_items(symbol.children, bufnr))
+      list_extend(items, M.symbols_to_items(symbol.children, bufnr, position_encoding))
     end
   end
 

test/functional/plugin/lsp_spec.lua

@@ -2916,6 +2916,8 @@ describe('LSP', function()
         local expected = {
           {
             col = 1,
+            end_col = 1,
+            end_lnum = 2,
             filename = '',
             kind = 'File',
             lnum = 2,
@@ -2923,6 +2925,8 @@ describe('LSP', function()
           },
           {
             col = 1,
+            end_col = 1,
+            end_lnum = 4,
             filename = '',
             kind = 'Module',
             lnum = 4,
@@ -2930,6 +2934,8 @@ describe('LSP', function()
           },
           {
             col = 1,
+            end_col = 1,
+            end_lnum = 6,
             filename = '',
             kind = 'Namespace',
             lnum = 6,
@@ -3031,6 +3037,8 @@ describe('LSP', function()
         local expected = {
           {
             col = 1,
+            end_col = 1,
+            end_lnum = 2,
             filename = '',
             kind = 'File',
             lnum = 2,
@@ -3038,6 +3046,8 @@ describe('LSP', function()
           },
           {
             col = 1,
+            end_col = 1,
+            end_lnum = 6,
             filename = '',
             kind = 'Namespace',
             lnum = 6,
@@ -3111,6 +3121,8 @@ describe('LSP', function()
       local expected = {
         {
           col = 1,
+          end_col = 1,
+          end_lnum = 3,
           filename = '/test_a',
           kind = 'File',
           lnum = 2,
@@ -3118,6 +3130,8 @@ describe('LSP', function()
         },
         {
           col = 1,
+          end_col = 1,
+          end_lnum = 5,
           filename = '/test_b',
           kind = 'Module',
           lnum = 4,