From b2f592d529c85250fc832c687e28d29167f21e13 Mon Sep 17 00:00:00 2001
From: jiriks74 <jiri@stefka.eu>
Date: Thu, 26 Sep 2024 20:42:53 +0200
Subject: [PATCH] fix(ftplugin/c): Setup debugger only if the executable exists
 Removed redundant `load_launchjs` as the plugin loads it automatically

---
 nvim/ftplugin/c.lua | 86 ++++++++++++++++++++++++---------------------
 1 file changed, 46 insertions(+), 40 deletions(-)

diff --git a/nvim/ftplugin/c.lua b/nvim/ftplugin/c.lua
index 2d609ee..668ae14 100644
--- a/nvim/ftplugin/c.lua
+++ b/nvim/ftplugin/c.lua
@@ -28,47 +28,53 @@ local conf = require("telescope.config").values
 local actions = require("telescope.actions")
 local action_state = require("telescope.actions.state")
 
-if require('user.file_exists').file_exists(vim.fs.dirname(vim.fs.find(root_files, { upward = true })[1]) .. "/.vscode/launch.json") then
-  require("dap.ext.vscode").load_launchjs(nil, { cppdbg = { "c", "cpp", "asm" } })
+if vim.fn.executable('gdb') == 1 then
+  dap.adapters.gdb = {
+    type = "executable",
+    command = "gdb",
+    args = { "-i", "dap" }
+  }
 end
 
-dap.adapters.gdb = {
-  type = "executable",
-  command = "gdb",
-  args = { "-i", "dap" }
-}
+-- DAP loads this automatically as of now. May be needed to load the debugger for asm?
+-- if require('user.file_exists').file_exists(vim.fs.dirname(vim.fs.find(root_files, { upward = true })[1]) .. "/.vscode/launch.json") then
+--   require("dap.ext.vscode").load_launchjs(nil, { cppdbg = { "c", "cpp", "asm" } })
+--   require("dap.ext.vscode").load_launchjs(nil, { gdb = { "c", "cpp", "asm" } })
+-- end
 
-dap.adapters.cppdbg = {
-  id = 'cppdbg',
-  type = 'executable',
-  command = 'OpenDebugAD7',
-}
+if vim.fn.executable('OpenDebugAD7') == 1 then
+  dap.adapters.cppdbg = {
+    id = 'cppdbg',
+    type = 'executable',
+    command = 'OpenDebugAD7',
+  }
 
-dap.configurations.c = {
-  {
-    name = "Launch an executable",
-    type = "cppdbg",
-    request = "launch",
-    cwd = "${workspaceFolder}",
-    program = function()
-      return coroutine.create(function(coro)
-        local opts = {}
-        pickers
-          .new(opts, {
-            prompt_title = "Path to executable",
-            finder = finders.new_oneshot_job({ "fd", "--hidden", "--no-ignore", "--type", "x" }, {}),
-            sorter = conf.generic_sorter(opts),
-            attach_mappings = function(buffer_number)
-              actions.select_default:replace(function()
-                actions.close(buffer_number)
-                coroutine.resume(coro, action_state.get_selected_entry()[1])
-              end)
-              return true
-            end,
-          })
-          :find()
-      end)
-    end,
-    stopAtBeginningOfMainSubprogram = true,
-  },
-}
+  dap.configurations.c = {
+    {
+      name = "Launch an executable",
+      type = "cppdbg",
+      request = "launch",
+      cwd = "${workspaceFolder}",
+      program = function()
+        return coroutine.create(function(coro)
+          local opts = {}
+          pickers
+            .new(opts, {
+              prompt_title = "Path to executable",
+              finder = finders.new_oneshot_job({ "fd", "--hidden", "--no-ignore", "--type", "x" }, {}),
+              sorter = conf.generic_sorter(opts),
+              attach_mappings = function(buffer_number)
+                actions.select_default:replace(function()
+                  actions.close(buffer_number)
+                  coroutine.resume(coro, action_state.get_selected_entry()[1])
+                end)
+                return true
+              end,
+            })
+            :find()
+        end)
+      end,
+      stopAtBeginningOfMainSubprogram = true,
+    },
+  }
+end