mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-09 23:24:12 +00:00
75 lines
1.9 KiB
Rust
75 lines
1.9 KiB
Rust
// check-pass
|
|
// compile-flags: -Z span-debug --error-format human
|
|
// aux-build:test-macros.rs
|
|
|
|
// Regression test for issue #75930
|
|
// Tests that we cfg-strip all targets before invoking
|
|
// a derive macro
|
|
// We need '--error-format human' to stop compiletest from
|
|
// trying to interpret proc-macro output as JSON messages
|
|
// (a pretty-printed struct may cause a line to start with '{' )
|
|
// FIXME: We currently lose spans here (see issue #43081)
|
|
|
|
#![no_std] // Don't load unnecessary hygiene information from std
|
|
extern crate std;
|
|
|
|
#[macro_use]
|
|
extern crate test_macros;
|
|
|
|
#[print_helper(a)] //~ WARN derive helper attribute is used before it is introduced
|
|
//~| WARN this was previously accepted
|
|
#[cfg_attr(not(FALSE), allow(dead_code))]
|
|
#[print_attr]
|
|
#[derive(Print)]
|
|
#[print_helper(b)]
|
|
struct Foo<#[cfg(FALSE)] A, B> {
|
|
#[cfg(FALSE)] first: String,
|
|
#[cfg_attr(FALSE, deny(warnings))] second: bool,
|
|
third: [u8; {
|
|
#[cfg(FALSE)] struct Bar;
|
|
#[cfg(not(FALSE))] struct Inner;
|
|
#[cfg(FALSE)] let a = 25;
|
|
match true {
|
|
#[cfg(FALSE)] true => {},
|
|
#[cfg_attr(not(FALSE), allow(warnings))] false => {},
|
|
_ => {}
|
|
};
|
|
|
|
#[print_helper(should_be_removed)]
|
|
fn removed_fn() {
|
|
#![cfg(FALSE)]
|
|
}
|
|
|
|
#[print_helper(c)] #[cfg(not(FALSE))] fn kept_fn() {
|
|
#![cfg(not(FALSE))]
|
|
let my_val = true;
|
|
}
|
|
|
|
enum TupleEnum {
|
|
Foo(
|
|
#[cfg(FALSE)] u8,
|
|
#[cfg(FALSE)] bool,
|
|
#[cfg(not(FALSE))] i32,
|
|
#[cfg(FALSE)] String, u8
|
|
)
|
|
}
|
|
|
|
struct TupleStruct(
|
|
#[cfg(FALSE)] String,
|
|
#[cfg(not(FALSE))] i32,
|
|
#[cfg(FALSE)] bool,
|
|
u8
|
|
);
|
|
|
|
fn plain_removed_fn() {
|
|
#![cfg_attr(not(FALSE), cfg(FALSE))]
|
|
}
|
|
|
|
0
|
|
}],
|
|
#[print_helper(d)]
|
|
fourth: B
|
|
}
|
|
|
|
fn main() {}
|