From 1336d860dc7bead4eefa28066dff66abad35e289 Mon Sep 17 00:00:00 2001
From: Michael Zhang <mail@mzhang.io>
Date: Tue, 19 Jul 2022 01:41:30 -0500
Subject: [PATCH] vim extension

---
 ext/e0-vim/default.nix     | 8 ++++++++
 ext/e0-vim/ftdetect/e0.vim | 2 ++
 ext/e0-vim/ftplugin/e0.vim | 0
 ext/e0-vim/syntax/e0.vim   | 4 ++++
 flake.nix                  | 7 +++++--
 5 files changed, 19 insertions(+), 2 deletions(-)
 create mode 100644 ext/e0-vim/default.nix
 create mode 100644 ext/e0-vim/ftdetect/e0.vim
 create mode 100644 ext/e0-vim/ftplugin/e0.vim
 create mode 100644 ext/e0-vim/syntax/e0.vim

diff --git a/ext/e0-vim/default.nix b/ext/e0-vim/default.nix
new file mode 100644
index 0000000..fe25e1b
--- /dev/null
+++ b/ext/e0-vim/default.nix
@@ -0,0 +1,8 @@
+{ vimUtils }:
+
+with vimUtils;
+
+buildVimPlugin {
+  name = "e0-vim";
+  src = ./.;
+}
diff --git a/ext/e0-vim/ftdetect/e0.vim b/ext/e0-vim/ftdetect/e0.vim
new file mode 100644
index 0000000..f550b97
--- /dev/null
+++ b/ext/e0-vim/ftdetect/e0.vim
@@ -0,0 +1,2 @@
+" Automatic detection of *.e0 files
+autocmd BufNewFile,BufRead *.e0 setfiletype e0
diff --git a/ext/e0-vim/ftplugin/e0.vim b/ext/e0-vim/ftplugin/e0.vim
new file mode 100644
index 0000000..e69de29
diff --git a/ext/e0-vim/syntax/e0.vim b/ext/e0-vim/syntax/e0.vim
new file mode 100644
index 0000000..a4dcac0
--- /dev/null
+++ b/ext/e0-vim/syntax/e0.vim
@@ -0,0 +1,4 @@
+syntax keyword e0Conditional if else
+syntax keyword e0PrimitiveType int
+syntax keyword e0Function fn
+syntax keyword e0Statement return
diff --git a/flake.nix b/flake.nix
index 1c127bf..2730ef7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -13,7 +13,10 @@
           overlays = [ fenix.overlay ];
         };
         toolchain = pkgs.fenix.complete;
-        myPkgs = rec { e0 = pkgs.callPackage ./. { inherit toolchain; }; };
+        myPkgs = rec {
+          e0 = pkgs.callPackage ./. { inherit toolchain; };
+          e0-vim = pkgs.callPackage ./ext/e0-vim { };
+        };
 
       in rec {
         devShell = pkgs.mkShell {
@@ -31,7 +34,7 @@
                 "rustfmt"
               ])
             ];
-          inputsFrom = with myPkgs; [ e0 ];
+          inputsFrom = with myPkgs; [ e0 e0-vim ];
 
           CARGO_UNSTABLE_SPARSE_REGISTRY = "true";
         };