1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test where we change a type definition by adding a field. Fns with
12 // this type in their signature are recompiled, as are their callers.
13 // Fns with that type used only in their body are also recompiled, but
14 // their callers are not.
16 // revisions:cfail1 cfail2
17 // compile-flags: -Z query-dep-graph
20 #![feature(rustc_attrs)]
21 #![feature(stmt_expr_attributes)]
23 #![crate_type = "rlib"]
25 // These are expected to require codegen.
26 #![rustc_partition_codegened(module="struct_point-point", cfg="cfail2")]
27 #![rustc_partition_codegened(module="struct_point-fn_with_type_in_sig", cfg="cfail2")]
28 #![rustc_partition_codegened(module="struct_point-call_fn_with_type_in_sig", cfg="cfail2")]
29 #![rustc_partition_codegened(module="struct_point-fn_with_type_in_body", cfg="cfail2")]
30 #![rustc_partition_codegened(module="struct_point-fn_make_struct", cfg="cfail2")]
31 #![rustc_partition_codegened(module="struct_point-fn_read_field", cfg="cfail2")]
32 #![rustc_partition_codegened(module="struct_point-fn_write_field", cfg="cfail2")]
34 #![rustc_partition_reused(module="struct_point-call_fn_with_type_in_body", cfg="cfail2")]
51 pub fn origin() -> Point {
53 return Point { x: 0.0, y: 0.0 };
56 return Point { x: 0.0, y: 0.0, z: 0.0 };
59 pub fn total(&self) -> f32 {
61 return self.x + self.y;
64 return self.x + self.y + self.z;
67 pub fn x(&self) -> f32 {
73 /// A fn that has the changed type in its signature; must currently be
76 /// You could imagine that, in the future, if the change were
77 /// sufficiently "private", we might not need to type-check again.
78 /// Rebuilding is probably always necessary since the layout may be
80 pub mod fn_with_type_in_sig {
83 #[rustc_dirty(label="TypeckTables", cfg="cfail2")]
84 pub fn boop(p: Option<&Point>) -> f32 {
85 p.map(|p| p.total()).unwrap_or(0.0)
89 /// Call a fn that has the changed type in its signature; this
90 /// currently must also be rebuilt.
92 /// You could imagine that, in the future, if the change were
93 /// sufficiently "private", we might not need to type-check again.
94 /// Rebuilding is probably always necessary since the layout may be
96 pub mod call_fn_with_type_in_sig {
97 use fn_with_type_in_sig;
99 #[rustc_dirty(label="TypeckTables", cfg="cfail2")]
100 pub fn bip() -> f32 {
101 fn_with_type_in_sig::boop(None)
105 /// A fn that uses the changed type, but only in its body, not its
108 /// You could imagine that, in the future, if the change were
109 /// sufficiently "private", we might not need to type-check again.
110 /// Rebuilding is probably always necessary since the layout may be
112 pub mod fn_with_type_in_body {
115 #[rustc_dirty(label="TypeckTables", cfg="cfail2")]
116 pub fn boop() -> f32 {
117 Point::origin().total()
121 /// A fn X that calls a fn Y, where Y uses the changed type in its
122 /// body. In this case, the effects of the change should be contained
123 /// to Y; X should not have to be rebuilt, nor should it need to be
124 /// typechecked again.
125 pub mod call_fn_with_type_in_body {
126 use fn_with_type_in_body;
128 #[rustc_clean(label="TypeckTables", cfg="cfail2")]
129 pub fn bip() -> f32 {
130 fn_with_type_in_body::boop()
134 /// A fn item that makes an instance of `Point` but does not invoke methods
135 pub mod fn_make_struct {
138 #[rustc_dirty(label="TypeckTables", cfg="cfail2")]
139 pub fn make_origin(p: Point) -> Point {
144 /// A fn item that reads fields from `Point` but does not invoke methods
145 pub mod fn_read_field {
148 #[rustc_dirty(label="TypeckTables", cfg="cfail2")]
149 pub fn get_x(p: Point) -> f32 {
154 /// A fn item that writes to a field of `Point` but does not invoke methods
155 pub mod fn_write_field {
158 #[rustc_dirty(label="TypeckTables", cfg="cfail2")]
159 pub fn inc_x(p: &mut Point) {