32 lines
940 B
Rust
32 lines
940 B
Rust
|
// Copyright 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.
|
||
|
|
||
|
use syntax::ast;
|
||
|
use syntax::visit;
|
||
|
use syntax::visit::Visitor;
|
||
|
|
||
|
use driver::session::Session;
|
||
|
|
||
|
struct ShowSpanVisitor {
|
||
|
sess: Session
|
||
|
}
|
||
|
|
||
|
impl Visitor<()> for ShowSpanVisitor {
|
||
|
fn visit_expr(&mut self, e: &ast::Expr, _: ()) {
|
||
|
self.sess.span_note(e.span, "expression");
|
||
|
visit::walk_expr(self, e, ());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
pub fn run(sess: Session, crate: &ast::Crate) {
|
||
|
let mut v = ShowSpanVisitor { sess: sess };
|
||
|
visit::walk_crate(&mut v, crate, ());
|
||
|
}
|