From db5a3f56b46c0e39fd4a398a82896d743162cdaa Mon Sep 17 00:00:00 2001
From: jiriks74 <jiri@stefka.eu>
Date: Wed, 25 Sep 2024 23:57:17 +0200
Subject: [PATCH] feat(dap): Added debugger from cpptools Added:   -
 OpenDebugAD7 from
 [vscode-cpptools](https://github.com/microsoft/vscode-cpptools)

It works better with `nvim-dap-ui`. With GDB you have to wait for stdout
flush to see program output, the output is in the repl instead of the
console, etc. The VSCode debugger doesn't have such issues.
---
 nix/cpptools.nix       | 71 ++++++++++++++++++++++++++++++++++++++++++
 nix/neovim-overlay.nix |  1 +
 nvim/ftplugin/c.lua    | 20 +++++-------
 3 files changed, 80 insertions(+), 12 deletions(-)
 create mode 100644 nix/cpptools.nix

diff --git a/nix/cpptools.nix b/nix/cpptools.nix
new file mode 100644
index 0000000..5b63ea8
--- /dev/null
+++ b/nix/cpptools.nix
@@ -0,0 +1,71 @@
+{ stdenv, lib
+, system ? builtins.currentSystem
+, fetchurl
+, unzip
+, libz
+, libcxx
+, lttng-ust_2_12
+, autoPatchelfHook
+}:
+
+stdenv.mkDerivation rec {
+  pname = "cpptools";
+  version = "1.21.6";
+
+  # Get the current system architecture
+  # arch = builtins.currentSystem;
+
+  linux-x64 = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-linux-x64.vsix";
+  linux-arm64 = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-linux-arm64.vsix";
+  darwin-x64 = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-macos-x64.vsix";
+  darwin-arm64 = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-macos-arm64.vsix";
+   
+
+  src = fetchurl {
+    url = lib.getAttr system {
+      x86_64-linux = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-linux-x64.vsix";
+      aarch64-linux = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-linux-arm64.vsix";
+      aarch64-darwin = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-macos-arm64.vsix";
+      x86_64-darwin = "https://github.com/microsoft/vscode-cpptools/releases/download/v${version}/cpptools-macos-x64.vsix";
+    };
+    hash = lib.getAttr system {
+      x86_64-linux = "sha256-q6SDImUppICJopOi+HiIUMg7Ue1Qu0A41uewNxRdzeA=";
+      aarch64-linux = "sha256-/Zci8P5RAK26FASHpQnIYR5fvSF9lgTTrgVAT33Wfwc=";
+      x86_64-darwin = "sha256-P2LacAaCRXnsGUQOLuIyvfgxweeVHsDFTrAEuN/lBIQ=";
+      aarch64-darwin = "sha256-P2LacAaCRXnsGUQOLuIyvfgxweeVHsDFTrAEuN/lBIQ=";
+    };
+ };
+  
+  nativeBuildInputs = [
+    autoPatchelfHook
+  ];
+
+  buildInputs = [
+    unzip
+    libz
+    libcxx
+    lttng-ust_2_12
+  ];
+
+  unpackPhase = ''
+    unzip $src
+  '';
+
+  sourceRoot = ".";
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    mkdir -p $out/opt
+    cp -r extension/debugAdapters/* $out/opt
+    install -m755 -D extension/debugAdapters/bin/OpenDebugAD7 $out/opt/bin/OpenDebugAD7
+    ln -s $out/opt/bin/OpenDebugAD7 $out/bin/OpenDebugAD7
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/microsoft/vscode-cpptools";
+    description = "Official repository for the Microsoft C/C++ extension for VS Code. ";
+    platforms = platforms.linux;
+  };
+}
diff --git a/nix/neovim-overlay.nix b/nix/neovim-overlay.nix
index eddbc09..ce7c438 100644
--- a/nix/neovim-overlay.nix
+++ b/nix/neovim-overlay.nix
@@ -120,6 +120,7 @@ with final.pkgs.lib; let
     # language servers, etc.
     asm-lsp # Assembly language server
     clang-tools # C/C++ language server
+    (callPackage ./cpptools.nix {}) # C/C++ debugger from VSCode | https://github.com/microsoft/vscode-cpptools
     nodePackages.bash-language-server # Bash language server
     lua-language-server
     nil # nix LSP
diff --git a/nvim/ftplugin/c.lua b/nvim/ftplugin/c.lua
index 5116d88..088b3d9 100644
--- a/nvim/ftplugin/c.lua
+++ b/nvim/ftplugin/c.lua
@@ -35,20 +35,16 @@ dap.adapters.gdb = {
   args = { "-i", "dap" }
 }
 
+dap.adapters.cppdbg = {
+  id = 'cppdbg',
+  type = 'executable',
+  command = 'OpenDebugAD7',
+}
+
 dap.configurations.c = {
-  -- {
-  --   name = "Launch",
-  --   type = "gdb",
-  --   request = "launch",
-  --   program = function()
-  --     return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
-  --   end,
-  --   cwd = "${workspaceFolder}",
-  --   stopAtBeginningOfMainSubprogram = false,
-  -- },
   {
     name = "Launch an executable",
-    type = "gdb",
+    type = "cppdbg",
     request = "launch",
     cwd = "${workspaceFolder}",
     program = function()
@@ -70,6 +66,6 @@ dap.configurations.c = {
           :find()
       end)
     end,
-    stopAtBeginningOfMainSubprogram = false,
+    stopAtBeginningOfMainSubprogram = true,
   },
 }