rust/src/test/run-pass-fulldeps/quote-tokens.rs
2013-12-28 21:16:03 -07:00

32 lines
1.1 KiB
Rust

// Copyright 2012 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.
// xfail-test
#[feature(managed_boxes)];
extern mod syntax;
use syntax::ext::base::ExtCtxt;
fn syntax_extension(cx: &ExtCtxt) {
let e_toks : ~[syntax::ast::token_tree] = quote_tokens!(cx, 1 + 2);
let p_toks : ~[syntax::ast::token_tree] = quote_tokens!(cx, (x, 1 .. 4, *));
let a: @syntax::ast::Expr = quote_expr!(cx, 1 + 2);
let _b: Option<@syntax::ast::item> = quote_item!(cx, static foo : int = $e_toks; );
let _c: @syntax::ast::Pat = quote_pat!(cx, (x, 1 .. 4, *) );
let _d: @syntax::ast::Stmt = quote_stmt!(cx, let x = $a; );
let _e: @syntax::ast::Expr = quote_expr!(cx, match foo { $p_toks => 10 } );
}
fn main() {
}