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Implement function-like procedural macros ( #[proc_macro])

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This commit is contained in:
Austin Bonander 2017-02-27 12:03:19 -08:00
parent 4be034e622
commit 2fcbb48c72
10 changed files with 213 additions and 10 deletions
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11
src/librustc_metadata/creader.rs
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@ -586,7 +586,7 @@ impl<'a> CrateLoader<'a> {
use proc_macro::__internal::Registry;
use rustc_back::dynamic_lib::DynamicLibrary;
use syntax_ext::deriving::custom::ProcMacroDerive;
use syntax_ext::proc_macro_impl::AttrProcMacro;
use syntax_ext::proc_macro_impl::{AttrProcMacro, BangProcMacro};
let path = match dylib {
Some(dylib) => dylib,
@ -630,6 +630,15 @@ impl<'a> CrateLoader<'a> {
);
self.0.push((Symbol::intern(name), Rc::new(expand)));
}
fn register_bang_proc_macro(&mut self,
name: &str,
expand: fn(TokenStream) -> TokenStream) {
let expand = SyntaxExtension::ProcMacro(
Box::new(BangProcMacro { inner: expand })
);
self.0.push((Symbol::intern(name), Rc::new(expand)));
}
}
let mut my_registrar = MyRegistrar(Vec::new());