57 lines
1.9 KiB
Rust
57 lines
1.9 KiB
Rust
// Copyright 2018 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.
|
|
|
|
// no-prefer-dynamic
|
|
|
|
#![feature(proc_macro)]
|
|
#![crate_type = "proc-macro"]
|
|
|
|
extern crate proc_macro;
|
|
use proc_macro::*;
|
|
|
|
#[proc_macro]
|
|
pub fn my_macro(input: TokenStream) -> TokenStream {
|
|
input
|
|
}
|
|
|
|
#[proc_macro_attribute]
|
|
pub fn my_macro_attr(input: TokenStream, _: TokenStream) -> TokenStream {
|
|
input
|
|
}
|
|
|
|
#[proc_macro_derive(MyTrait)]
|
|
pub fn my_macro_derive(input: TokenStream) -> TokenStream {
|
|
input
|
|
}
|
|
|
|
fn check_bang1() {
|
|
my_macro!(); //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
}
|
|
fn check_bang2() {
|
|
my_macro_attr!(); //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
}
|
|
fn check_bang3() {
|
|
MyTrait!(); //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
}
|
|
|
|
#[my_macro] //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
fn check_attr1() {}
|
|
#[my_macro_attr] //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
fn check_attr2() {}
|
|
#[MyTrait] //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
fn check_attr3() {}
|
|
|
|
#[derive(my_macro)] //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
struct CheckDerive1;
|
|
#[derive(my_macro_attr)] //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
struct CheckDerive2;
|
|
#[derive(MyTrait)] //~ ERROR can't use a procedural macro from the same crate that defines it
|
|
struct CheckDerive3;
|