feat(ssr): support visual selection range

CHANGELOG.md

@@ -8,6 +8,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- LSP: Support structural search and replace (SSR)
+  just for the selected range.
+
 ### Fixed
 
 - LSP: If inlay hints are enabled for a buffer, force Neovim

lua/rustaceanvim/commands/init.lua

@@ -7,7 +7,7 @@ local M = {}
 
 local rust_lsp_cmd_name = 'RustLsp'
 
----@type { string: fun(args: string[]) }
+---@type { string: fun(args: string[], opts: vim.api.keyset.user_command) }
 local command_tbl = {
   codeAction = function(_)
     require('rustaceanvim.commands.code_action_group')()
@@ -87,9 +87,11 @@ local command_tbl = {
   parentModule = function(_)
     require('rustaceanvim.commands.parent_module')()
   end,
-  ssr = function(args)
+  ssr = function(args, opts)
+    ---@cast opts vim.api.keyset.user_command
+    local is_range = opts.range and opts.range > 0
     local query = args and #args > 0 and table.concat(args, ' ') or nil
-    require('rustaceanvim.commands.ssr')(query)
+    require('rustaceanvim.commands.ssr')(query, is_range)
   end,
   reloadWorkspace = function()
     require('rustaceanvim.commands.workspace_refresh')()
@@ -134,7 +136,7 @@ local function rust_lsp(opts)
     vim.notify(rust_lsp_cmd_name .. ': Unknown subcommand: ' .. cmd, vim.log.levels.ERROR)
     return
   end
-  command(args)
+  command(args, opts)
 end
 
 ---Create the `:RustLsp` command

lua/rustaceanvim/commands/ssr.lua

@@ -1,11 +1,19 @@
 local M = {}
 
-local function get_opts(query)
-  local opts = vim.lsp.util.make_position_params()
-  opts.query = query
-  opts.parseOnly = false
-  opts.selections = { vim.lsp.util.make_range_params().range }
-  return opts
+local ui = require('rustaceanvim.ui')
+
+---@param query string
+---@param is_range boolean
+local function get_opts(query, is_range)
+  local params = vim.lsp.util.make_position_params()
+  params.query = query
+  params.parseOnly = false
+  if is_range then
+    params.selections = { vim.print(ui.get_visual_selected_range()) }
+  else
+    params.selections = {}
+  end
+  return params
 end
 
 local function handler(err, result, ctx)
@@ -22,15 +30,17 @@ end
 
 local rl = require('rustaceanvim.rust_analyzer')
 
-function M.ssr(query)
+---@param query string | nil
+---@param is_range boolean
+function M.ssr(query, is_range)
   if not query then
     vim.ui.input({ prompt = 'Enter query: ' }, function(input)
       query = input
     end)
   end
 
   if query then
-    rl.buf_request(0, 'experimental/ssr', get_opts(query), handler)
+    rl.buf_request(0, 'experimental/ssr', get_opts(query, is_range), handler)
   end
 end