43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
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// Copyright 2013-2014 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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#[feature(globs, macro_registrar, macro_rules)];
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extern mod syntax;
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use syntax::ast::{Name, TokenTree};
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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_export]
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macro_rules! exported_macro (() => (2))
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macro_rules! unexported_macro (() => (3))
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#[macro_registrar]
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pub fn macro_registrar(register: |Name, SyntaxExtension|) {
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register(token::intern("make_a_1"),
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NormalTT(~SyntaxExpanderTT {
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expander: SyntaxExpanderTTExpanderWithoutContext(expand_make_a_1),
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span: None,
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},
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None));
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}
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pub fn expand_make_a_1(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> MacResult {
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if !tts.is_empty() {
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cx.span_fatal(sp, "make_a_1 takes no arguments");
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}
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MRExpr(quote_expr!(cx, 1i))
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}
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pub fn foo() {}
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