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