[rustc.git] / src / test / ui / proc-macro / auxiliary / test-macros.rs

// force-host
// no-prefer-dynamic

#![crate_type = "proc-macro"]

extern crate proc_macro;

use proc_macro::TokenStream;

#[proc_macro_attribute]
pub fn nop_attr(_attr: TokenStream, input: TokenStream) -> TokenStream {
    assert!(_attr.to_string().is_empty());
    input
}

#[proc_macro_attribute]
pub fn no_output(_attr: TokenStream, _input: TokenStream) -> TokenStream {
    assert!(_attr.to_string().is_empty());
    assert!(!_input.to_string().is_empty());
    "".parse().unwrap()
}

#[proc_macro]
pub fn emit_input(input: TokenStream) -> TokenStream {
    input
}
Commit	Line	Data
a1dfa0c6	1	// force-host
83c7162d XL	2	// no-prefer-dynamic
	3
	4	#![crate_type = "proc-macro"]
83c7162d XL	5
	6	extern crate proc_macro;
	7
	8	use proc_macro::TokenStream;
	9
	10	#[proc_macro_attribute]
	11	pub fn nop_attr(_attr: TokenStream, input: TokenStream) -> TokenStream {
	12	assert!(_attr.to_string().is_empty());
	13	input
	14	}
	15
	16	#[proc_macro_attribute]
	17	pub fn no_output(_attr: TokenStream, _input: TokenStream) -> TokenStream {
	18	assert!(_attr.to_string().is_empty());
	19	assert!(!_input.to_string().is_empty());
	20	"".parse().unwrap()
	21	}
	22
	23	#[proc_macro]
	24	pub fn emit_input(input: TokenStream) -> TokenStream {
	25	input
	26	}