39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// force-host
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// no-prefer-dynamic
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#![crate_type = "dylib"]
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#![feature(macro_registrar, quote, globs)]
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extern crate other = "syntax-extension-with-dll-deps-1";
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extern crate syntax;
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use syntax::ast::{Name, TokenTree, Item, MetaItem};
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use syntax::codemap::Span;
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use syntax::ext::base::*;
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use syntax::parse::token;
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#[macro_registrar]
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pub fn macro_registrar(register: |Name, SyntaxExtension|) {
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register(token::intern("foo"),
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NormalTT(~BasicMacroExpander {
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expander: expand_foo,
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span: None,
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},
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None));
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}
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fn expand_foo(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> ~MacResult {
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let answer = other::the_answer();
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MacExpr::new(quote_expr!(cx, $answer))
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}
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