src/libsyntax/ext/auto_encode.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 /// Deprecated #[auto_encode] and #[auto_decode] syntax extensions
  12
  13 use ast;
  14 use codemap::span;
  15 use ext::base::*;
  16
  17 pub fn expand_auto_encode(
  18     cx: @ExtCtxt,
  19     span: span,
  20     _mitem: @ast::meta_item,
  21     in_items: ~[@ast::item]
  22 ) -> ~[@ast::item] {
  23     cx.span_err(span, "`#[auto_encode]` is deprecated, use `#[deriving(Encodable)]` instead");
  24     in_items
  25 }
  26
  27 pub fn expand_auto_decode(
  28     cx: @ExtCtxt,
  29     span: span,
  30     _mitem: @ast::meta_item,
  31     in_items: ~[@ast::item]
  32 ) -> ~[@ast::item] {
  33     cx.span_err(span, "`#[auto_decode]` is deprecated, use `#[deriving(Decodable)]` instead");
  34     in_items
  35 }