feat: add rebuildProcMacros command

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Added
+- `:RustLsp rebuildProcMacros` command.
+
 ## [3.0.4] - 2023-10-25
 ### Fixed
 - Allow `:RustLsp hover range` to accept a range.

README.md

@@ -181,6 +181,20 @@ for more configuration options.
   ![](https://github.com/mrcjkb/rustaceanvim/assets/12857160/477d9e58-74b0-42ff-87ca-2fef34d06db3)
 </details>
 
+<details>
+  <summary>
+	<b>Rebuild proc macros</b>
+  </summary>
+
+  ```vimscript
+  :RustLsp rebuildProcMacros
+  ```
+  ```lua
+  vim.cmd.RustLsp('rebuildProcMacros')
+  ```
+
+</details>
+
 <details>
   <summary>
 	<b>Move Item Up/Down</b>

lua/rustaceanvim/commands/init.lua

@@ -27,6 +27,9 @@ local command_tbl = {
   expandMacro = function(_)
     require('rustaceanvim.commands.expand_macro')()
   end,
+  rebuildProcMacros = function()
+    require('rustaceanvim.commands.rebuild_proc_macros')()
+  end,
   externalDocs = function(_)
     require('rustaceanvim.commands.external_docs')()
   end,

lua/rustaceanvim/commands/rebuild_proc_macros.lua

@@ -0,0 +1,18 @@
+local M = {}
+
+---@param err string | nil
+local function handler(err, _, _)
+  if err then
+    vim.notify('Error rebuilding proc macros: ' .. err)
+    return
+  end
+end
+
+local rl = require('rustaceanvim.rust_analyzer')
+
+--- Sends the request to rust-analyzer rebuild proc macros
+function M.rebuild_macros()
+  rl.buf_request(0, 'rust-analyzer/rebuildProcMacros', nil, handler)
+end
+
+return M.rebuild_macros