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// Copyright 2016 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.
// This test case tests the incremental compilation hash (ICH) implementation
// for consts.
// The general pattern followed here is: Change one thing between rev1 and rev2
// and make sure that the hash has changed, then change nothing between rev2 and
// rev3 and make sure that the hash has not changed.
// compile-pass
// revisions: cfail1 cfail2 cfail3
// compile-flags: -Z query-dep-graph -Zincremental-ignore-spans
#![allow(warnings)]
#![feature(rustc_attrs)]
#![crate_type="rlib"]
// Change const visibility ---------------------------------------------------
#[cfg(cfail1)]
const CONST_VISIBILITY: u8 = 0;
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
pub const CONST_VISIBILITY: u8 = 0;
// Change type from i32 to u32 ------------------------------------------------
#[cfg(cfail1)]
const CONST_CHANGE_TYPE_1: i32 = 0;
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_TYPE_1: u32 = 0;
// Change type from Option<u32> to Option<u64> --------------------------------
#[cfg(cfail1)]
const CONST_CHANGE_TYPE_2: Option<u32> = None;
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_TYPE_2: Option<u64> = None;
// Change value between simple literals ---------------------------------------
#[rustc_clean(cfg="cfail2", except="HirBody")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_VALUE_1: i16 = {
#[cfg(cfail1)]
{ 1 }
#[cfg(not(cfail1))]
{ 2 }
};
// Change value between expressions -------------------------------------------
#[rustc_clean(cfg="cfail2", except="HirBody")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_VALUE_2: i16 = {
#[cfg(cfail1)]
{ 1 + 1 }
#[cfg(not(cfail1))]
{ 1 + 2 }
};
#[rustc_clean(cfg="cfail2", except="HirBody")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_VALUE_3: i16 = {
#[cfg(cfail1)]
{ 2 + 3 }
#[cfg(not(cfail1))]
{ 2 * 3 }
};
#[rustc_clean(cfg="cfail2", except="HirBody")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_VALUE_4: i16 = {
#[cfg(cfail1)]
{ 1 + 2 * 3 }
#[cfg(not(cfail1))]
{ 1 + 2 * 4 }
};
// Change type indirectly -----------------------------------------------------
struct ReferencedType1;
struct ReferencedType2;
mod const_change_type_indirectly {
#[cfg(cfail1)]
use super::ReferencedType1 as Type;
#[cfg(not(cfail1))]
use super::ReferencedType2 as Type;
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_TYPE_INDIRECTLY_1: Type = Type;
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
#[rustc_clean(cfg="cfail3")]
const CONST_CHANGE_TYPE_INDIRECTLY_2: Option<Type> = None;
}
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