From 8f0b088886ba3064bdecb33a35d978748b740af0 Mon Sep 17 00:00:00 2001
From: jiriks74 <jiri@stefka.eu>
Date: Wed, 6 Mar 2024 23:07:22 +0100
Subject: [PATCH] feat: basic nvim-dap setup

---
 nvim/ftplugin/c.lua           | 26 +++++++++++++++++++++++++-
 nvim/lua/user/file_exists.lua |  8 ++++++++
 nvim/plugin/dap.lua           |  5 +++++
 nvim/plugin/plugins.lua       |  1 +
 4 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 nvim/lua/user/file_exists.lua
 create mode 100644 nvim/plugin/dap.lua

diff --git a/nvim/ftplugin/c.lua b/nvim/ftplugin/c.lua
index bee7ef7..b3cf061 100644
--- a/nvim/ftplugin/c.lua
+++ b/nvim/ftplugin/c.lua
@@ -14,5 +14,29 @@ vim.lsp.start {
   cmd = { 'clangd' },
   root_dir = vim.fs.dirname(vim.fs.find(root_files, { upward = true })[1]),
   capabilities = require('user.lsp').make_client_capabilities(),
-  -- capabilities = { offsetEncoding = "utf-8" },
+}
+
+local dap = require("dap")
+
+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" } })
+end
+
+dap.adapters.gdb = {
+  type = "executable",
+  command = "gdb",
+  args = { "-i", "dap" }
+}
+
+dap.configurations.c = {
+  {
+    name = "Launch",
+    type = "gdb",
+    request = "launch",
+    program = function()
+      return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
+    end,
+    cwd = "${workspaceFolder}",
+    stopAtBeginningOfMainSubprogram = false,
+  },
 }
diff --git a/nvim/lua/user/file_exists.lua b/nvim/lua/user/file_exists.lua
new file mode 100644
index 0000000..961116d
--- /dev/null
+++ b/nvim/lua/user/file_exists.lua
@@ -0,0 +1,8 @@
+local F = {}
+
+function F.file_exists(name)
+   local f=io.open(name,"r")
+   if f~=nil then io.close(f) return true else return false end
+end
+
+return F
diff --git a/nvim/plugin/dap.lua b/nvim/plugin/dap.lua
new file mode 100644
index 0000000..f536beb
--- /dev/null
+++ b/nvim/plugin/dap.lua
@@ -0,0 +1,5 @@
+if vim.g.did_load_dap_plugin then
+  return
+end
+vim.g.did_load_dap_plugin = true
+
diff --git a/nvim/plugin/plugins.lua b/nvim/plugin/plugins.lua
index 3429409..401b4a9 100644
--- a/nvim/plugin/plugins.lua
+++ b/nvim/plugin/plugins.lua
@@ -6,6 +6,7 @@ vim.g.did_load_plugins_plugin = true
 -- many plugins annoyingly require a call to a 'setup' function to be loaded,
 -- even with default configs
 
+require("dapui").setup()
 require("copilot_cmp").setup()
 require('nvim-surround').setup()
 require('which-key').setup()