2015-04-23 11:33:53 -05:00
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// Copyright 2012-2014 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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// ignore-cross-compile
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2016-01-26 02:23:28 -06:00
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// error-pattern:expected expression, found statement (`let`)
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2015-04-23 11:33:53 -05:00
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#![feature(quote, rustc_private)]
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extern crate syntax;
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use syntax::ast;
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2016-06-21 17:08:13 -05:00
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use syntax::codemap;
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2015-04-23 11:33:53 -05:00
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use syntax::parse;
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use syntax::print::pprust;
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2016-06-21 17:08:13 -05:00
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use syntax_pos::DUMMY_SP;
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2015-04-23 11:33:53 -05:00
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fn main() {
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2015-05-13 15:00:17 -05:00
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let ps = syntax::parse::ParseSess::new();
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2016-06-10 20:37:24 -05:00
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let mut loader = syntax::ext::base::DummyMacroLoader;
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2015-04-26 00:09:36 -05:00
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let mut cx = syntax::ext::base::ExtCtxt::new(
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&ps, vec![],
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2015-07-13 19:10:44 -05:00
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syntax::ext::expand::ExpansionConfig::default("qquote".to_string()),
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2016-06-10 20:37:24 -05:00
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&mut loader);
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2015-04-26 00:09:36 -05:00
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cx.bt_push(syntax::codemap::ExpnInfo {
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call_site: DUMMY_SP,
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callee: syntax::codemap::NameAndSpan {
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2015-08-26 19:11:53 -05:00
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format: syntax::codemap::MacroBang(parse::token::intern("")),
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2015-04-26 00:09:36 -05:00
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allow_internal_unstable: false,
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span: None,
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}
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});
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let cx = &mut cx;
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2015-04-23 11:33:53 -05:00
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assert_eq!(pprust::expr_to_string(&*quote_expr!(&cx, 23)), "23");
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let expr = quote_expr!(&cx, let x isize = 20;);
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assert_eq!(pprust::expr_to_string(&*expr), "let x isize = 20;");
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}
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