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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.
// revisions:cfail1 cfail2
// compile-flags: -Z query-dep-graph
// build-pass (FIXME(62277): could be check-pass?)
#![feature(rustc_attrs)]
#![feature(stmt_expr_attributes)]
#![allow(dead_code)]
#![crate_type = "rlib"]
#![rustc_partition_codegened(module="struct_point-point", cfg="cfail2")]
#![rustc_partition_reused(module="struct_point-fn_calls_methods_in_same_impl", cfg="cfail2")]
#![rustc_partition_reused(module="struct_point-fn_calls_methods_in_another_impl", cfg="cfail2")]
#![rustc_partition_reused(module="struct_point-fn_make_struct", cfg="cfail2")]
#![rustc_partition_reused(module="struct_point-fn_read_field", cfg="cfail2")]
#![rustc_partition_reused(module="struct_point-fn_write_field", cfg="cfail2")]
pub mod point {
pub struct Point {
pub x: f32,
pub y: f32,
}
fn distance_squared(this: &Point) -> f32 {
#[cfg(cfail1)]
return this.x + this.y;
#[cfg(cfail2)]
return this.x * this.x + this.y * this.y;
}
impl Point {
pub fn distance_from_origin(&self) -> f32 {
distance_squared(self).sqrt()
}
}
impl Point {
pub fn translate(&mut self, x: f32, y: f32) {
self.x += x;
self.y += y;
}
}
}
/// A fn item that calls (public) methods on `Point` from the same impl which changed
pub mod fn_calls_methods_in_same_impl {
use point::Point;
// The cached result should actually be loaded from disk
// (not just marked green) - for example, `DeadVisitor`
// always runs during compilation as a "pass", and loads
// the typeck results for bodies.
#[rustc_clean(cfg="cfail2", loaded_from_disk="typeck")]
pub fn check() {
let x = Point { x: 2.0, y: 2.0 };
x.distance_from_origin();
}
}
/// A fn item that calls (public) methods on `Point` from another impl
pub mod fn_calls_methods_in_another_impl {
use point::Point;
#[rustc_clean(cfg="cfail2")]
pub fn check() {
let mut x = Point { x: 2.0, y: 2.0 };
x.translate(3.0, 3.0);
}
}
/// A fn item that makes an instance of `Point` but does not invoke methods
pub mod fn_make_struct {
use point::Point;
#[rustc_clean(cfg="cfail2")]
pub fn make_origin() -> Point {
Point { x: 2.0, y: 2.0 }
}
}
/// A fn item that reads fields from `Point` but does not invoke methods
pub mod fn_read_field {
use point::Point;
#[rustc_clean(cfg="cfail2")]
pub fn get_x(p: Point) -> f32 {
p.x
}
}
/// A fn item that writes to a field of `Point` but does not invoke methods
pub mod fn_write_field {
use point::Point;
#[rustc_clean(cfg="cfail2")]
pub fn inc_x(p: &mut Point) {
p.x += 1.0;
}
}
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