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| 1 | +// Copyright 2014 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 | +// force-host |
| 12 | +// no-prefer-dynamic |
| 13 | + |
| 14 | +#![crate_type = "dylib"] |
| 15 | +#![feature(macro_registrar, quote, globs)] |
| 16 | + |
| 17 | +extern crate other = "syntax-extension-with-dll-deps-1"; |
| 18 | +extern crate syntax; |
| 19 | + |
| 20 | +use syntax::ast::{Name, TokenTree, Item, MetaItem}; |
| 21 | +use syntax::codemap::Span; |
| 22 | +use syntax::ext::base::*; |
| 23 | +use syntax::parse::token; |
| 24 | + |
| 25 | +#[macro_registrar] |
| 26 | +pub fn macro_registrar(register: |Name, SyntaxExtension|) { |
| 27 | + register(token::intern("foo"), |
| 28 | + NormalTT(~BasicMacroExpander { |
| 29 | + expander: expand_foo, |
| 30 | + span: None, |
| 31 | + }, |
| 32 | + None)); |
| 33 | +} |
| 34 | + |
| 35 | +fn expand_foo(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> ~MacResult { |
| 36 | + let answer = other::the_answer(); |
| 37 | + MacExpr::new(quote_expr!(cx, $answer)) |
| 38 | +} |
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