src/test/incremental/string_constant.rs

   1 // Copyright 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.
   4 //
   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.
  10
  11 // revisions: rpass1 rpass2
  12 // compile-flags: -Z query-dep-graph
  13
  14 #![allow(warnings)]
  15 #![feature(rustc_attrs)]
  16
  17 // Here the only thing which changes is the string constant in `x`.
  18 // Therefore, the compiler deduces (correctly) that typeck is not
  19 // needed even for callers of `x`.
  20
  21 fn main() { }
  22
  23 mod x {
  24     #[cfg(rpass1)]
  25     pub fn x() {
  26         println!("{}", "1");
  27     }
  28
  29     #[cfg(rpass2)]
  30     #[rustc_dirty(label="HirBody", cfg="rpass2")]
  31     #[rustc_dirty(label="MirOptimized", cfg="rpass2")]
  32     pub fn x() {
  33         println!("{}", "2");
  34     }
  35 }
  36
  37 mod y {
  38     use x;
  39
  40     #[rustc_clean(label="TypeckTables", cfg="rpass2")]
  41     #[rustc_clean(label="MirOptimized", cfg="rpass2")]
  42     pub fn y() {
  43         x::x();
  44     }
  45 }
  46
  47 mod z {
  48     use y;
  49
  50     #[rustc_clean(label="TypeckTables", cfg="rpass2")]
  51     #[rustc_clean(label="MirOptimized", cfg="rpass2")]
  52     pub fn z() {
  53         y::y();
  54     }
  55 }