70 lines
1.7 KiB
Rust
70 lines
1.7 KiB
Rust
// Copyright 2012-2014 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.
|
|
|
|
// ignore-test Can't use syntax crate here
|
|
|
|
#[feature(quote)];
|
|
|
|
extern crate extra;
|
|
extern crate syntax;
|
|
|
|
use io::*;
|
|
|
|
use syntax::diagnostic;
|
|
use syntax::ast;
|
|
use syntax::codemap;
|
|
use syntax::parse;
|
|
use syntax::print::*;
|
|
|
|
|
|
trait fake_ext_ctxt {
|
|
fn cfg() -> ast::CrateConfig;
|
|
fn parse_sess() -> parse::parse_sess;
|
|
fn call_site() -> span;
|
|
fn ident_of(st: &str) -> ast::ident;
|
|
}
|
|
|
|
type fake_session = parse::parse_sess;
|
|
|
|
impl fake_ext_ctxt for fake_session {
|
|
fn cfg() -> ast::CrateConfig { ~[] }
|
|
fn parse_sess() -> parse::parse_sess { self }
|
|
fn call_site() -> span {
|
|
codemap::span {
|
|
lo: codemap::BytePos(0),
|
|
hi: codemap::BytePos(0),
|
|
expn_info: None
|
|
}
|
|
}
|
|
fn ident_of(st: &str) -> ast::ident {
|
|
self.interner.intern(st)
|
|
}
|
|
}
|
|
|
|
fn mk_ctxt() -> fake_ext_ctxt {
|
|
parse::new_parse_sess(None) as fake_ext_ctxt
|
|
}
|
|
|
|
|
|
|
|
fn main() {
|
|
let cx = mk_ctxt();
|
|
|
|
let abc = quote_expr!(cx, 23);
|
|
check_pp(abc, pprust::print_expr, "23");
|
|
|
|
let expr3 = quote_expr!(cx, 2 - $abcd + 7); //~ ERROR unresolved name: abcd
|
|
check_pp(expr3, pprust::print_expr, "2 - 23 + 7");
|
|
}
|
|
|
|
fn check_pp<T>(expr: T, f: |pprust::ps, T|, expect: str) {
|
|
fail!();
|
|
}
|