| // 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. |
| |
| // A first "spike" for incremental compilation: here, we change the |
| // content of the `make` function, and we find that we can reuse the |
| // `y` module entirely (but not the `x` module). |
| |
| // revisions:rpass1 rpass2 |
| |
| #![feature(rustc_attrs)] |
| |
| #![rustc_partition_reused(module="spike", cfg="rpass2")] |
| #![rustc_partition_translated(module="spike-x", cfg="rpass2")] |
| #![rustc_partition_reused(module="spike-y", cfg="rpass2")] |
| |
| mod x { |
| pub struct X { |
| x: u32, y: u32, |
| } |
| |
| #[cfg(rpass1)] |
| fn make() -> X { |
| X { x: 22, y: 0 } |
| } |
| |
| #[cfg(rpass2)] |
| fn make() -> X { |
| X { x: 11, y: 11 } |
| } |
| |
| #[rustc_dirty(label="TypeckItemBody", cfg="rpass2")] |
| #[rustc_clean(label="ItemSignature", cfg="rpass2")] |
| pub fn new() -> X { |
| make() |
| } |
| |
| #[rustc_clean(label="TypeckItemBody", cfg="rpass2")] |
| #[rustc_clean(label="ItemSignature", cfg="rpass2")] |
| pub fn sum(x: &X) -> u32 { |
| x.x + x.y |
| } |
| } |
| |
| mod y { |
| use x; |
| |
| #[rustc_clean(label="TypeckItemBody", cfg="rpass2")] |
| pub fn assert_sum() -> bool { |
| let x = x::new(); |
| x::sum(&x) == 22 |
| } |
| } |
| |
| pub fn main() { |
| y::assert_sum(); |
| } |