Start tweaking original wig with Pat's suggestion

crates/generate/src/lib.rs

@@ -1,16 +1,10 @@
 extern crate proc_macro;
 
-use proc_macro::TokenStream;
-use proc_macro2::TokenStream as TokenStream2;
+mod imp;
 
-const WITX_PATH: &'static str = "crates/WASI/phases/snapshot/witx/wasi_snapshot_preview1.witx";
+use proc_macro::TokenStream;
 
 #[proc_macro]
-pub fn from_witx(args: TokenStream) -> TokenStream {
-    let doc = witx::load(&[WITX_PATH]).unwrap();
-    TokenStream::new()
-    // TokenStream::from(raw_types::gen(
-    //     TokenStream2::from(args),
-    //     raw_types::Mode::Host,
-    // ))
+pub fn from_witx(_args: TokenStream) -> TokenStream {
+    TokenStream::from(imp::gen())
 }