rust/tests/incremental/change_pub_inherent_method_sig/struct_point.rs

102 lines
2.7 KiB
Rust

// Test where we change the *signature* of a public, inherent method.
//@ revisions:cfail1 cfail2
//@ compile-flags: -Z query-dep-graph
//@ build-pass
#![crate_type = "rlib"]
#![feature(rustc_attrs)]
#![feature(stmt_expr_attributes)]
#![allow(dead_code)]
// These are expected to require codegen.
#![rustc_partition_codegened(module="struct_point-point", cfg="cfail2")]
#![rustc_partition_codegened(module="struct_point-fn_calls_changed_method", cfg="cfail2")]
#![rustc_partition_reused(module="struct_point-fn_calls_another_method", 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,
}
impl Point {
#[cfg(cfail1)]
pub fn distance_from_point(&self, p: Option<Point>) -> f32 {
let p = p.unwrap_or(Point { x: 0.0, y: 0.0 });
let x_diff = self.x - p.x;
let y_diff = self.y - p.y;
return x_diff * x_diff + y_diff * y_diff;
}
#[cfg(cfail2)]
pub fn distance_from_point(&self, p: Option<&Point>) -> f32 {
const ORIGIN: &Point = &Point { x: 0.0, y: 0.0 };
let p = p.unwrap_or(ORIGIN);
let x_diff = self.x - p.x;
let y_diff = self.y - p.y;
return x_diff * x_diff + y_diff * y_diff;
}
pub fn x(&self) -> f32 {
self.x
}
}
}
/// A fn item that calls the method that was changed
pub mod fn_calls_changed_method {
use point::Point;
#[rustc_clean(except="typeck,optimized_mir", cfg="cfail2")]
pub fn check() {
let p = Point { x: 2.0, y: 2.0 };
p.distance_from_point(None);
}
}
/// A fn item that calls a method that was not changed
pub mod fn_calls_another_method {
use point::Point;
#[rustc_clean(cfg="cfail2")]
pub fn check() {
let p = Point { x: 2.0, y: 2.0 };
p.x();
}
}
/// 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;
}
}