Initial commit

.gitmodules

@@ -0,0 +1,16 @@
+[submodule "libs/mgems/mruby-marshal-c"]
+  path = libs/mgems/mruby-marshal-c
+  url = https://github.com/LanzaSchneider/mruby-marshal-c.git
+  ignore = dirty
+[submodule "libs/mgems/mruby-env"]
+  path = libs/mgems/mruby-env
+  url = https://github.com/iij/mruby-env.git
+  ignore = dirty
+[submodule "libs/mgems/mruby-process"]
+  path = libs/mgems/mruby-process
+  url = https://github.com/katzer/mruby-process
+  ignore = dirty
+[submodule "libs/mruby"]
+  path = libs/mruby
+  url = https://github.com/mruby/mruby.git
+  ignore = dirty

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1785090369,
+        "narHash": "sha256-m0pDuRJG7EDo9ri+4Ksu83VsI+PlxNC9lNBfydejce4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "624af665418d3c65d544145b4d34ad696439570e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,117 @@
+{
+  description = "Crib - An IDE.";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    self.submodules = true;
+  };
+
+  outputs =
+    { nixpkgs, ... }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system}.pkgsStatic;
+      hostPkgs = nixpkgs.legacyPackages.${system};
+
+      mruby = pkgs.stdenv.mkDerivation {
+        pname = "mruby";
+        version = "0.0.1";
+
+        src = pkgs.lib.cleanSourceWith {
+          src = ./libs;
+          name = "mruby-src";
+        };
+
+        patches = [
+          ./libs/changes.patch
+        ];
+
+        nativeBuildInputs = with hostPkgs; [
+          ruby
+          gnumake
+        ];
+
+        buildPhase = ''
+          cd mruby
+          rake
+        '';
+
+        installPhase = ''
+          mkdir -p $out
+
+          cp -r build/host/lib $out/lib
+          cp -r build/host/include $out/include
+
+          mkdir -p $out/bin
+          cp build/host/bin/mrbc $out/bin/mrbc
+        '';
+      };
+
+      crib = pkgs.stdenv.mkDerivation {
+        pname = "crib";
+        version = "0.1.0";
+
+        src = ./.;
+
+        nativeBuildInputs = with hostPkgs; [
+          pkg-config
+          gnumake
+          xxd
+          bash
+        ];
+
+        buildInputs = with pkgs; [
+          libgrapheme
+
+          mruby
+        ];
+
+        buildPhase = ''
+          make \
+            MRBC=${mruby}/bin/mrbc \
+            MRUBY_INCLUDE=${mruby}/include \
+            MRUBY_LIB=${mruby}/lib/libmruby.a
+        '';
+
+        installPhase = ''
+          mkdir -p $out/bin
+          cp bin/crib $out/bin/crib
+        '';
+      };
+    in
+    {
+      packages.${system} = {
+        default = crib;
+        crib = crib;
+        mruby = mruby;
+      };
+
+      devShells.${system}.default = pkgs.mkShell {
+        inputsFrom = [ crib ];
+
+        packages = [
+          hostPkgs.clang-tools
+          hostPkgs.pkg-config
+          hostPkgs.ccache
+          hostPkgs.gnumake
+          hostPkgs.bear
+          hostPkgs.ruby
+          hostPkgs.xxd
+          hostPkgs.gdb
+          hostPkgs.binutils
+
+          pkgs.libgrapheme
+          pkgs.pcre2
+        ];
+
+        shellHook = ''
+          export CC="ccache gcc"
+          export CXX="ccache g++"
+
+          export MRBC=${mruby}/bin/mrbc
+          export MRUBY_INCLUDE=${mruby}/include
+          export MRUBY_LIB=${mruby}/lib/libmruby.a
+        '';
+      };
+    };
+}

libs/changes.patch

@@ -0,0 +1,53 @@
+--- ./mruby/build_config/default.rb
++++ ./mruby/build_config/default.rb
+@@ -1,6 +1,18 @@
+ MRuby::Build.new do |conf|
+   # load specific toolchain settings
+-  conf.toolchain
++  conf.toolchain :gcc
++
++  conf.cc do |cc|
++    cc.command = ENV['CC']
++  end
++
++  conf.cxx do |cxx|
++    cxx.command = ENV['CXX']
++  end
++
++  conf.linker do |linker|
++    linker.command = ENV['CXX']
++  end
+ 
+   # Use mrbgems
+   # conf.gem 'examples/mrbgems/ruby_extension_example'
+@@ -16,6 +28,10 @@
+   # include the GEM box
+   conf.gembox 'default'
+ 
++  conf.gem '../mgems/mruby-env'
++  conf.gem '../mgems/mruby-process'
++  conf.gem '../mgems/mruby-marshal-c'
++
+   # C compiler settings
+   # conf.cc do |cc|
+   #   cc.command = ENV['CC'] || 'gcc'
+@@ -79,5 +79,5 @@
+   # Turn on `enable_debug` for better debugging
+   # conf.enable_debug
+-  conf.enable_bintest
+-  conf.enable_test
++  # conf.enable_bintest
++  # conf.enable_test
+ end
+--- ./mgems/mruby-process/mrbgem.rake
++++ ./mgems/mruby-process/mrbgem.rake
+@@ -54,4 +54,9 @@
+   else
+     spec.objs.delete objfile("#{build_dir}/src/win32")
+   end
++
++  spec.objs.delete objfile("#{build_dir}/src/internal")
++  spec.objs.delete objfile("#{build_dir}/src/dln")
++  spec.objs.delete objfile("#{build_dir}/src/signal")
++  spec.objs.delete objfile("#{build_dir}/src/status")
+ end