feat(buildLisp): Add initial, tiny example program r/350

3 files changed, 45 insertions, 0 deletions

diff --git a/nix/buildLisp/example/default.nix b/nix/buildLisp/example/default.nix
new file mode 100644
index 000000000000..4a8cba60023a
--- /dev/null
+++ b/nix/buildLisp/example/default.nix
@@ -0,0 +1,32 @@
+{ pkgs, ... }:
+
+let
+  inherit (pkgs.nix) buildLisp;
+
+  # Example Lisp library.
+  #
+  # Currently the `name` attribute is only used for the derivation
+  # itself, it has no practical implications.
+  libExample = buildLisp.library {
+    name = "lib-example";
+    srcs = [
+      ./lib.lisp
+    ];
+  };
+
+# Example Lisp program.
+#
+# This builds & writes an executable for a program using the library
+# above to disk.
+#
+# By default, buildLisp.program expects the entry point to be
+# `$name:main`. This can be overridden by configuring the `main`
+# attribute.
+in buildLisp.program {
+  name = "example";
+  deps = [ libExample ];
+
+  srcs = [
+    ./main.lisp
+  ];
+}
diff --git a/nix/buildLisp/example/lib.lisp b/nix/buildLisp/example/lib.lisp
new file mode 100644
index 000000000000..e557de4ae5fd
--- /dev/null
+++ b/nix/buildLisp/example/lib.lisp
@@ -0,0 +1,6 @@
+(defpackage lib-example
+  (:use :cl)
+  (:export :who))
+(in-package :lib-example)
+
+(defun who () "edef")
diff --git a/nix/buildLisp/example/main.lisp b/nix/buildLisp/example/main.lisp
new file mode 100644
index 000000000000..f98bb8409a61
--- /dev/null
+++ b/nix/buildLisp/example/main.lisp
@@ -0,0 +1,7 @@
+(defpackage example
+  (:use :cl :lib-example)
+  (:export :main))
+(in-package :example)
+
+(defun main ()
+  (format t "i <3 ~S" (who)))