1 // Copyright 2012-2014 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.
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.
12 #![allow(unused_variables)]
13 #![allow(unused_imports)]
14 // ignore-cross-compile
15 #![feature(quote, rustc_private)]
19 use syntax::ext::base::ExtCtxt;
21 use syntax::parse::PResult;
23 fn syntax_extension(cx: &ExtCtxt) {
24 let e_toks : Vec<syntax::tokenstream::TokenTree> = quote_tokens!(cx, 1 + 2);
25 let p_toks : Vec<syntax::tokenstream::TokenTree> = quote_tokens!(cx, (x, 1 .. 4, *));
27 let a: P<syntax::ast::Expr> = quote_expr!(cx, 1 + 2);
28 let _b: Option<P<syntax::ast::Item>> = quote_item!(cx, static foo : isize = $e_toks; );
29 let _c: P<syntax::ast::Pat> = quote_pat!(cx, (x, 1 .. 4, *) );
30 let _d: Option<syntax::ast::Stmt> = quote_stmt!(cx, let x = $a; );
31 let _d: syntax::ast::Arm = quote_arm!(cx, (ref x, ref y) = (x, y) );
32 let _e: P<syntax::ast::Expr> = quote_expr!(cx, match foo { $p_toks => 10 } );
34 let _f: P<syntax::ast::Expr> = quote_expr!(cx, ());
35 let _g: P<syntax::ast::Expr> = quote_expr!(cx, true);
36 let _h: P<syntax::ast::Expr> = quote_expr!(cx, 'a');
38 let i: Option<P<syntax::ast::Item>> = quote_item!(cx, #[derive(Eq)] struct Foo; );
41 let _l: P<syntax::ast::Ty> = quote_ty!(cx, &isize);
43 let _n: syntax::ast::Attribute = quote_attr!(cx, #![cfg(foo, bar = "baz")]);
45 let _o: Option<P<syntax::ast::Item>> = quote_item!(cx, fn foo<T: ?Sized>() {});
48 quote_stmt!(cx, let x = 1;).unwrap(),
49 quote_stmt!(cx, let y = 2;).unwrap(),
51 let expr: P<syntax::ast::Expr> = quote_expr!(cx, x + y);