exe picker more robust

lua/custom/plugins/debug.lua

@@ -55,7 +55,6 @@ return {
     },
     config = function()
       local dap = require 'dap'
-      local pick_executable = require('custom.utils').pick_executable
 
       -- Configure the LLDB DAP adapter for C/C++
       -- Assumes 'lldb-dap' executable is in PATH (from pkgs.llvmPackages_XX.lldb)
@@ -69,12 +68,14 @@ return {
           name = 'Launch C/C++ (lldb-dap)',
           type = 'lldb',
           request = 'launch',
-          program = function()
-            return coroutine.create(function()
-              local executable = pick_executable(vim.fn.getcwd() .. '/build')
-              coroutine.yield(executable)
-            end)
-          end,
+          program = coroutine.wrap(function()
+            local exe = require('custom.utils').pick_executable(vim.fn.getcwd() .. '/build')
+            if not exe then
+              vim.notify('Debug session cancelled: executable not selected', vim.log.levels.INFO)
+              return nil
+            end
+            return exe
+          end),
           cwd = '${workspaceFolder}',
           stopOnEntry = false,
           args = {},

lua/custom/utils.lua

@@ -27,6 +27,9 @@ local function pick_executable(start_dir)
     return
   end
 
+  local actions = require 'telescope.actions'
+  local action_state = require 'telescope.actions.state'
+
   require('telescope.pickers')
     .new({}, {
       prompt_title = 'Select Executable',
@@ -36,10 +39,18 @@ local function pick_executable(start_dir)
       sorter = require('telescope.config').values.generic_sorter {},
       attach_mappings = function(_, map)
         map('i', '<CR>', function(prompt_bufnr)
-          local entry = require('telescope.actions.state').get_selected_entry()
-          require('telescope.actions').close(prompt_bufnr)
+          local entry = action_state.get_selected_entry()
+          actions.close(prompt_bufnr)
           coroutine.resume(co, entry.value)
         end)
+        map('i', '<Esc>', function(prompt_bufnr)
+          actions.close(prompt_bufnr)
+          coroutine.resume(co, nil)
+        end)
+        map('n', 'q', function(prompt_bufnr)
+          actions.close(prompt_bufnr)
+          coroutine.resume(co, nil)
+        end)
         return true
       end,
     })