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// 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 Can't use syntax crate here
extern mod std;
extern mod 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::crate_cfg;
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_session: fake_ext_ctxt {
fn cfg() -> ast::crate_cfg { ~[] }
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 ext_cx = mk_ctxt();
let abc = quote_expr!(23);
check_pp(abc, pprust::print_expr, "23");
let expr3 = quote_expr!(2 - $abcd + 7); //~ ERROR unresolved name: abcd
check_pp(expr3, pprust::print_expr, "2 - 23 + 7");
}
fn check_pp<T>(expr: T, f: fn(pprust::ps, T), expect: str) {
fail;
}
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