From c9d04cf23b00fc1fd59163fce44ec283e9a92756 Mon Sep 17 00:00:00 2001
From: ralvescosta <rafael.rac.mg@gmail.com>
Date: Mon, 31 Mar 2025 19:30:48 -0300
Subject: [PATCH] feat: rust dap

---
 lua/custom/plugins/rustaceanvim.lua | 37 ++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 6 deletions(-)

diff --git a/lua/custom/plugins/rustaceanvim.lua b/lua/custom/plugins/rustaceanvim.lua
index ebd9ce85..d8bab304 100644
--- a/lua/custom/plugins/rustaceanvim.lua
+++ b/lua/custom/plugins/rustaceanvim.lua
@@ -24,12 +24,11 @@ return {
         },
       }
 
-      local program_name
-      function get_program_name()
-        if not program_name then
-          program_name = vim.fn.input('Enter program name: ', '')
+      local function get_program_name()
+        if not vim.g._last_rust_program or vim.g._last_rust_program == '' then
+          vim.g._last_rust_program = vim.fn.input('Enter binary name: ', '')
         end
-        return program_name
+        return vim.g._last_rust_program
       end
 
       dap.configurations.rust = {
@@ -37,28 +36,54 @@ return {
           type = 'codelldb',
           request = 'launch',
           name = 'dynamic launcher',
+
           program = function()
-            return string.format('${workspaceFolder}/target/debug/%s', get_program_name())
+            local name = get_program_name()
+
+            vim.notify('Compiling ' .. name .. '...', vim.log.levels.INFO)
+
+            local result = vim.fn.system {
+              'cargo',
+              'build',
+              '--bin',
+              name,
+              '--package',
+              name,
+            }
+
+            if vim.v.shell_error ~= 0 then
+              vim.notify('Cargo build failed:\n' .. result, vim.log.levels.ERROR)
+              return ''
+            end
+
+            vim.notify('Binary ' .. name .. ' compiled successfully', vim.log.levels.INFO)
+            return string.format('${workspaceFolder}/target/debug/%s', name)
           end,
+
           cargo = {
             args = function()
+              vim.notify('cargo args', vim.log.levels.INFO)
               local pn = get_program_name()
               return { 'build', string.format('--bin=%s', pn), string.format('--package=%s', pn) }
             end,
             filter = {
               name = function()
+                vim.notify('cargo filters', vim.log.levels.INFO)
                 return get_program_name()
               end,
               kind = 'bin',
             },
           },
+
           env = {
             app_name = function()
+              vim.notify('envs', vim.log.levels.INFO)
               return get_program_name()
             end,
             RUST_ENV = 'local',
             RUST_BACKTRACE = 'full',
           },
+
           cwd = '${workspaceFolder}',
         },
       }