fix(rustc): windows support

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Neotest: One test failure caused all succeeding tests to be marked as failed
   when using cargo-nextest 0.9.7 [[#460](https://github.com/mrcjkb/rustaceanvim/issues/460)].
 - Neotest: Disable ansi colour coding in output to ensure output can be parsed.
+- `Rustc unpretty`: Support Windows.
 
 ## [5.1.0] - 2024-07-27
 

lua/rustaceanvim/commands/rustc_unpretty.lua

@@ -92,9 +92,15 @@ local function handler(sc)
   vim.api.nvim_buf_set_lines(latest_buf_id, 0, 0, false, lines)
 end
 
+---@return boolean
+local function has_tree_sitter_rust()
+  return #api.nvim_get_runtime_file('parser/rust.so', true) > 0
+    or require('rustaceanvim.shell').is_windows() and #api.nvim_get_runtime_file('parser/rust.dll', true) > 0
+end
+
 ---@param level rustaceanvim.rustcir.level
 function M.rustc_unpretty(level)
-  if #api.nvim_get_runtime_file('parser/rust.so', true) == 0 then
+  if not has_tree_sitter_rust() then
     vim.notify("a treesitter parser for Rust is required for 'rustc unpretty'", vim.log.levels.ERROR)
     return
   end