rust/src/test/incremental/hashes/inherent_impls.rs

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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 let expressions.
// 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.
// must-compile-successfully
// revisions: cfail1 cfail2 cfail3
// compile-flags: -Z query-dep-graph
#![allow(warnings)]
#![feature(rustc_attrs)]
#![crate_type="rlib"]
pub struct Foo;
// Change Method Name -----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn method_name() { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,AssociatedItemDefIds")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail3")]
pub fn method_name2() { }
}
// Change Method Body -----------------------------------------------------------
//
// This should affect the method itself, but not the impl.
#[cfg(cfail1)]
impl Foo {
pub fn method_body() { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="HirBody,MirOptimized,MirValidated,TypeckTables")]
#[rustc_clean(cfg="cfail3")]
pub fn method_body() {
println!("Hello, world!");
}
}
// Change Method Body (inlined) ------------------------------------------------
//
// This should affect the method itself, but not the impl.
#[cfg(cfail1)]
impl Foo {
#[inline]
pub fn method_body_inlined() { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="HirBody,MirOptimized,MirValidated,TypeckTables")]
#[rustc_clean(cfg="cfail3")]
#[inline]
pub fn method_body_inlined() {
println!("Hello, world!");
}
}
// Change Method Privacy -------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn method_privacy() { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="AssociatedItems,Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
fn method_privacy() { }
}
// Change Method Selfness -----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn method_selfness() { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_dirty(cfg="cfail2", except="TypeOfItem,PredicatesOfItem")]
#[rustc_clean(cfg="cfail3")]
pub fn method_selfness(&self) { }
}
// Change Method Selfmutness ---------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn method_selfmutness(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(
cfg="cfail2",
except="Hir,HirBody,FnSignature,TypeckTables,MirOptimized,MirValidated"
)]
#[rustc_clean(cfg="cfail3")]
pub fn method_selfmutness(&mut self) { }
}
// Add Method To Impl ----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_method_to_impl1(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,AssociatedItemDefIds")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
pub fn add_method_to_impl1(&self) { }
#[rustc_clean(cfg="cfail3")]
pub fn add_method_to_impl2(&self) { }
}
// Add Method Parameter --------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_method_parameter(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(
cfg="cfail2",
except="Hir,HirBody,FnSignature,TypeckTables,MirOptimized,MirValidated"
)]
#[rustc_clean(cfg="cfail3")]
pub fn add_method_parameter(&self, _: i32) { }
}
// Change Method Parameter Name ------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn change_method_parameter_name(&self, a: i64) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="HirBody,MirOptimized,MirValidated")]
#[rustc_clean(cfg="cfail3")]
pub fn change_method_parameter_name(&self, b: i64) { }
}
// Change Method Return Type ---------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn change_method_return_type(&self) -> u16 { 0 }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(
cfg="cfail2",
except="Hir,HirBody,FnSignature,MirOptimized,MirValidated,TypeckTables")]
#[rustc_clean(cfg="cfail3")]
pub fn change_method_return_type(&self) -> u8 { 0 }
}
// Make Method #[inline] -------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn make_method_inline(&self) -> u8 { 0 }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
#[inline]
pub fn make_method_inline(&self) -> u8 { 0 }
}
// Change order of parameters -------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn change_method_parameter_order(&self, a: i64, b: i64) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="HirBody,MirOptimized,MirValidated")]
#[rustc_clean(cfg="cfail3")]
pub fn change_method_parameter_order(&self, b: i64, a: i64) { }
}
// Make method unsafe ----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn make_method_unsafe(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(
cfg="cfail2",
except="Hir,HirBody,FnSignature,TypeckTables,MirOptimized,MirValidated"
)]
#[rustc_clean(cfg="cfail3")]
pub unsafe fn make_method_unsafe(&self) { }
}
// Make method extern ----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn make_method_extern(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,FnSignature,TypeckTables")]
#[rustc_clean(cfg="cfail3")]
pub extern fn make_method_extern(&self) { }
}
// Change method calling convention --------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub extern "C" fn change_method_calling_convention(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,FnSignature,TypeckTables")]
#[rustc_clean(cfg="cfail3")]
pub extern "system" fn change_method_calling_convention(&self) { }
}
// Add Lifetime Parameter to Method --------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_lifetime_parameter_to_method(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
// Warning: Note that `TypeckTables` are coming up clean here.
// The addition or removal of lifetime parameters that don't
// appear in the arguments or fn body in any way does not, in
// fact, affect the `TypeckTables` in any semantic way (at least
// as of this writing). **However,** altering the order of
// lowering **can** cause it appear to affect the `TypeckTables`:
// if we lower generics before the body, then the `HirId` for
// things in the body will be affected. So if you start to see
// `TypeckTables` appear dirty, that might be the cause. -nmatsakis
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
pub fn add_lifetime_parameter_to_method<'a>(&self) { }
}
// Add Type Parameter To Method ------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_type_parameter_to_method(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
// Warning: Note that `TypeckTables` are coming up clean here.
// The addition or removal of type parameters that don't appear in
// the arguments or fn body in any way does not, in fact, affect
// the `TypeckTables` in any semantic way (at least as of this
// writing). **However,** altering the order of lowering **can**
// cause it appear to affect the `TypeckTables`: if we lower
// generics before the body, then the `HirId` for things in the
// body will be affected. So if you start to see `TypeckTables`
// appear dirty, that might be the cause. -nmatsakis
#[rustc_clean(
cfg="cfail2",
except="Hir,HirBody,GenericsOfItem,PredicatesOfItem,TypeOfItem",
)]
#[rustc_clean(cfg="cfail3")]
pub fn add_type_parameter_to_method<T>(&self) { }
}
// Add Lifetime Bound to Lifetime Parameter of Method --------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_lifetime_bound_to_lifetime_param_of_method<'a, 'b>(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(
cfg="cfail2",
except="Hir,HirBody,GenericsOfItem,PredicatesOfItem,TypeOfItem,TypeckTables"
)]
#[rustc_clean(cfg="cfail3")]
pub fn add_lifetime_bound_to_lifetime_param_of_method<'a, 'b: 'a>(&self) { }
}
// Add Lifetime Bound to Type Parameter of Method ------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_lifetime_bound_to_type_param_of_method<'a, T>(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
// Warning: Note that `TypeckTables` are coming up clean here.
// The addition or removal of bounds that don't appear in the
// arguments or fn body in any way does not, in fact, affect the
// `TypeckTables` in any semantic way (at least as of this
// writing). **However,** altering the order of lowering **can**
// cause it appear to affect the `TypeckTables`: if we lower
// generics before the body, then the `HirId` for things in the
// body will be affected. So if you start to see `TypeckTables`
// appear dirty, that might be the cause. -nmatsakis
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,GenericsOfItem,PredicatesOfItem,\
TypeOfItem")]
#[rustc_clean(cfg="cfail3")]
pub fn add_lifetime_bound_to_type_param_of_method<'a, T: 'a>(&self) { }
}
// Add Trait Bound to Type Parameter of Method ------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_trait_bound_to_type_param_of_method<T>(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
// Warning: Note that `TypeckTables` are coming up clean here.
// The addition or removal of bounds that don't appear in the
// arguments or fn body in any way does not, in fact, affect the
// `TypeckTables` in any semantic way (at least as of this
// writing). **However,** altering the order of lowering **can**
// cause it appear to affect the `TypeckTables`: if we lower
// generics before the body, then the `HirId` for things in the
// body will be affected. So if you start to see `TypeckTables`
// appear dirty, that might be the cause. -nmatsakis
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,PredicatesOfItem")]
#[rustc_clean(cfg="cfail3")]
pub fn add_trait_bound_to_type_param_of_method<T: Clone>(&self) { }
}
// Add #[no_mangle] to Method --------------------------------------------------
#[cfg(cfail1)]
impl Foo {
pub fn add_no_mangle_to_method(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
impl Foo {
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
#[no_mangle]
pub fn add_no_mangle_to_method(&self) { }
}
struct Bar<T>(T);
// Add Type Parameter To Impl --------------------------------------------------
#[cfg(cfail1)]
impl Bar<u32> {
pub fn add_type_parameter_to_impl(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody,GenericsOfItem")]
#[rustc_clean(cfg="cfail3")]
impl<T> Bar<T> {
#[rustc_clean(
cfg="cfail2",
except="GenericsOfItem,FnSignature,TypeckTables,TypeOfItem,MirOptimized,MirValidated"
)]
#[rustc_clean(cfg="cfail3")]
pub fn add_type_parameter_to_impl(&self) { }
}
// Change Self Type of Impl ----------------------------------------------------
#[cfg(cfail1)]
impl Bar<u32> {
pub fn change_impl_self_type(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
impl Bar<u64> {
#[rustc_clean(cfg="cfail2", except="FnSignature,MirOptimized,MirValidated,TypeckTables")]
#[rustc_clean(cfg="cfail3")]
pub fn change_impl_self_type(&self) { }
}
// Add Lifetime Bound to Impl --------------------------------------------------
#[cfg(cfail1)]
impl<T> Bar<T> {
pub fn add_lifetime_bound_to_impl_parameter(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
impl<T: 'static> Bar<T> {
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
pub fn add_lifetime_bound_to_impl_parameter(&self) { }
}
// Add Trait Bound to Impl Parameter -------------------------------------------
#[cfg(cfail1)]
impl<T> Bar<T> {
pub fn add_trait_bound_to_impl_parameter(&self) { }
}
#[cfg(not(cfail1))]
#[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
#[rustc_clean(cfg="cfail3")]
impl<T: Clone> Bar<T> {
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
pub fn add_trait_bound_to_impl_parameter(&self) { }
}
// Force instantiation of some fns so we can check their hash.
pub fn instantiation_root() {
Foo::method_privacy();
#[cfg(cfail1)]
{
Bar(0u32).change_impl_self_type();
}
#[cfg(not(cfail1))]
{
Bar(0u64).change_impl_self_type();
}
}