/src/test/incremental/change_pub_inherent_method_sig/struct_point.rs
https://gitlab.com/jianglu/rust · Rust · 111 lines · 73 code · 19 blank · 19 comment · 0 complexity · 05b585dc12b8c6fb3f57faf27a9d662e MD5 · raw file
- // 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.
- // Test where we change the *signature* of a public, inherent method.
- // revisions:cfail1 cfail2
- // compile-flags: -Z query-dep-graph
- // compile-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_dirty(label="TypeckTables", 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(label="TypeckTables", 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(label="TypeckTables", 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(label="TypeckTables", 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(label="TypeckTables", cfg="cfail2")]
- pub fn inc_x(p: &mut Point) {
- p.x += 1.0;
- }
- }