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add test case for changing private methods
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src/test/incremental/change_private_impl_method/struct_point.rs
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// 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. | ||
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// Test where we change the body of a private method in an impl. | ||
// We then test what sort of functions must be rebuilt as a result. | ||
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// revisions:rpass1 rpass2 | ||
// compile-flags: -Z query-dep-graph | ||
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#![feature(rustc_attrs)] | ||
#![feature(stmt_expr_attributes)] | ||
#![allow(dead_code)] | ||
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#![rustc_partition_translated(module="struct_point-point", cfg="rpass2")] | ||
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// FIXME(#37121) -- the following two modules *should* be reused but are not | ||
#![rustc_partition_translated(module="struct_point-fn_calls_methods_in_same_impl", cfg="rpass2")] | ||
#![rustc_partition_translated(module="struct_point-fn_calls_methods_in_another_impl", cfg="rpass2")] | ||
#![rustc_partition_reused(module="struct_point-fn_make_struct", cfg="rpass2")] | ||
#![rustc_partition_reused(module="struct_point-fn_read_field", cfg="rpass2")] | ||
#![rustc_partition_reused(module="struct_point-fn_write_field", cfg="rpass2")] | ||
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mod point { | ||
pub struct Point { | ||
pub x: f32, | ||
pub y: f32, | ||
} | ||
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impl Point { | ||
fn distance_squared(&self) -> f32 { | ||
#[cfg(rpass1)] | ||
return self.x + self.y; | ||
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#[cfg(rpass2)] | ||
return self.x * self.x + self.y * self.y; | ||
} | ||
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pub fn distance_from_origin(&self) -> f32 { | ||
self.distance_squared().sqrt() | ||
} | ||
} | ||
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impl Point { | ||
pub fn translate(&mut self, x: f32, y: f32) { | ||
self.x += x; | ||
self.y += y; | ||
} | ||
} | ||
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} | ||
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/// A fn item that calls (public) methods on `Point` from the same impl which changed | ||
mod fn_calls_methods_in_same_impl { | ||
use point::Point; | ||
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// FIXME(#37121) -- we should not need to typeck this again | ||
#[rustc_dirty(label="TypeckItemBody", cfg="rpass2")] | ||
pub fn check() { | ||
let x = Point { x: 2.0, y: 2.0 }; | ||
x.distance_from_origin(); | ||
} | ||
} | ||
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/// A fn item that calls (public) methods on `Point` from another impl | ||
mod fn_calls_methods_in_another_impl { | ||
use point::Point; | ||
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// FIXME(#37121) -- we should not need to typeck this again | ||
#[rustc_dirty(label="TypeckItemBody", cfg="rpass2")] | ||
pub fn check() { | ||
let mut x = Point { x: 2.0, y: 2.0 }; | ||
x.translate(3.0, 3.0); | ||
} | ||
} | ||
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/// A fn item that makes an instance of `Point` but does not invoke methods | ||
mod fn_make_struct { | ||
use point::Point; | ||
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#[rustc_clean(label="TypeckItemBody", cfg="rpass2")] | ||
pub fn make_origin() -> Point { | ||
Point { x: 2.0, y: 2.0 } | ||
} | ||
} | ||
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/// A fn item that reads fields from `Point` but does not invoke methods | ||
mod fn_read_field { | ||
use point::Point; | ||
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#[rustc_clean(label="TypeckItemBody", cfg="rpass2")] | ||
pub fn get_x(p: Point) -> f32 { | ||
p.x | ||
} | ||
} | ||
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/// A fn item that reads fields from `Point` but does not invoke methods | ||
mod fn_write_field { | ||
use point::Point; | ||
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#[rustc_clean(label="TypeckItemBody", cfg="rpass2")] | ||
pub fn inc_x(p: &mut Point) { | ||
p.x += 1.0; | ||
} | ||
} | ||
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fn main() { | ||
} |