1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
//! Ensure that when a macro (or normal code) does `#[deny]` inside a `#[forbid]` context, no error
//! is emitted, as both parties agree on the treatment of the lint.
//!
//! However, still emit an error if the macro does `#[allow]` or `#[warn]`.
//@ revisions: forbid deny warn allow
//@[forbid] aux-build:forbid-macro.rs
//@[deny] aux-build:deny-macro.rs
//@[warn] aux-build:warn-macro.rs
//@[allow] aux-build:allow-macro.rs
//@[forbid] check-pass
//@[deny] check-pass
#![forbid(unsafe_code)]
#[cfg(allow)]
extern crate allow_macro;
#[cfg(deny)]
extern crate deny_macro;
#[cfg(forbid)]
extern crate forbid_macro;
#[cfg(warn)]
extern crate warn_macro;
fn main() {
#[cfg(forbid)]
forbid_macro::emit_forbid! {} // OK
#[cfg(deny)]
deny_macro::emit_deny! {} // OK
#[cfg(warn)]
warn_macro::emit_warn! {}
//[warn]~^ ERROR warn(unsafe_code) incompatible with previous forbid
//[warn]~| ERROR warn(unsafe_code) incompatible with previous forbid
#[cfg(allow)]
allow_macro::emit_allow! {}
//[allow]~^ ERROR allow(unsafe_code) incompatible with previous forbid
//[allow]~| ERROR allow(unsafe_code) incompatible with previous forbid
#[deny(unsafe_code)] // OK
let _ = 0;
}
|
