2 files changed, 0 insertions, 102 deletions
diff --git a/src/libsyntax/ext/deriving/iter_bytes.rs b/src/libsyntax/ext/deriving/iter_bytes.rs
deleted file mode 100644
index b39e22bc1ad..00000000000
--- a/src/libsyntax/ext/deriving/iter_bytes.rs
+++ /dev/null
@@ -1,100 +0,0 @@
-// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use ast::{MetaItem, Item, Expr, BiAnd};
-use codemap::Span;
-use ext::base::ExtCtxt;
-use ext::build::AstBuilder;
-use ext::deriving::generic::*;
-
-
-pub fn expand_deriving_iter_bytes(cx: &mut ExtCtxt,
-                                  span: Span,
-                                  mitem: @MetaItem,
-                                  item: @Item,
-                                  push: |@Item|) {
-    let trait_def = TraitDef {
-        span: span,
-        attributes: ~[],
-        path: Path::new(~["std", "to_bytes", "IterBytes"]),
-        additional_bounds: ~[],
-        generics: LifetimeBounds::empty(),
-        methods: ~[
-            MethodDef {
-                name: "iter_bytes",
-                generics: LifetimeBounds::empty(),
-                explicit_self: borrowed_explicit_self(),
-                args: ~[
-                    Literal(Path::new(~["bool"])),
-                    Literal(Path::new(~["std", "to_bytes", "Cb"]))
-                ],
-                ret_ty: Literal(Path::new(~["bool"])),
-                inline: true,
-                const_nonmatching: false,
-                combine_substructure: iter_bytes_substructure
-            }
-        ]
-    };
-
-    trait_def.expand(cx, mitem, item, push)
-}
-
-fn iter_bytes_substructure(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure) -> @Expr {
-    let (lsb0, f)= match substr.nonself_args {
-        [l, f] => (l, f),
-        _ => cx.span_bug(trait_span, "incorrect number of arguments in `deriving(IterBytes)`")
-    };
-    // Build the "explicitly borrowed" stack closure, "|_buf| f(_buf)".
-    let blk_arg = cx.ident_of("_buf");
-    let borrowed_f =
-        cx.lambda_expr_1(trait_span,
-                         cx.expr_call(trait_span, f, ~[cx.expr_ident(trait_span, blk_arg)]),
-                         blk_arg);
-
-    let iter_bytes_ident = substr.method_ident;
-    let call_iterbytes = |span, thing_expr| {
-        cx.expr_method_call(span,
-                            thing_expr,
-                            iter_bytes_ident,
-                            ~[lsb0, borrowed_f])
-    };
-    let mut exprs = ~[];
-    let fields;
-    match *substr.fields {
-        Struct(ref fs) => {
-            fields = fs
-        }
-        EnumMatching(index, ref variant, ref fs) => {
-            // Determine the discriminant. We will feed this value to the byte
-            // iteration function.
-            let discriminant = match variant.node.disr_expr {
-                Some(d)=> d,
-                None => cx.expr_uint(trait_span, index)
-            };
-
-            exprs.push(call_iterbytes(trait_span, discriminant));
-
-            fields = fs;
-        }
-        _ => cx.span_bug(trait_span, "impossible substructure in `deriving(IterBytes)`")
-    }
-
-    for &FieldInfo { self_, span, .. } in fields.iter() {
-        exprs.push(call_iterbytes(span, self_));
-    }
-
-    if exprs.len() == 0 {
-        cx.span_bug(trait_span, "#[deriving(IterBytes)] needs at least one field");
-    }
-
-    exprs.slice(1, exprs.len()).iter().fold(exprs[0], |prev, me| {
-        cx.expr_binary(trait_span, BiAnd, prev, *me)
-    })
-}
diff --git a/src/libsyntax/ext/deriving/mod.rs b/src/libsyntax/ext/deriving/mod.rs
index 31ee99fbd26..95b9a45b9fc 100644
--- a/src/libsyntax/ext/deriving/mod.rs
+++ b/src/libsyntax/ext/deriving/mod.rs
@@ -23,7 +23,6 @@ use ext::base::ExtCtxt;
 use codemap::Span;
 
 pub mod clone;
-pub mod iter_bytes;
 pub mod encodable;
 pub mod decodable;
 pub mod hash;
@@ -74,7 +73,6 @@ pub fn expand_meta_deriving(cx: &mut ExtCtxt,
                             "Clone" => expand!(clone::expand_deriving_clone),
                             "DeepClone" => expand!(clone::expand_deriving_deep_clone),
 
-                            "IterBytes" => expand!(iter_bytes::expand_deriving_iter_bytes),
                             "Hash" => expand!(hash::expand_deriving_hash),
 
                             "Encodable" => expand!(encodable::expand_deriving_encodable),