[rustc.git] / src / librustc_builtin_macros / log_syntax.rs

use rustc_ast::tokenstream::TokenStream;
use rustc_ast_pretty::pprust;
use rustc_expand::base;

pub fn expand_log_syntax<'cx>(
    _cx: &'cx mut base::ExtCtxt<'_>,
    sp: rustc_span::Span,
    tts: TokenStream,
) -> Box<dyn base::MacResult + 'cx> {
    println!("{}", pprust::tts_to_string(&tts));

    // any so that `log_syntax` can be invoked as an expression and item.
    base::DummyResult::any_valid(sp)
}
Commit	Line	Data
74b04a01 XL	1	use rustc_ast::tokenstream::TokenStream;
74b04a01 XL	2	use rustc_ast_pretty::pprust;
dfeec247	3	use rustc_expand::base;
dfeec247 XL	4
	5	pub fn expand_log_syntax<'cx>(
	6	_cx: &'cx mut base::ExtCtxt<'_>,
	7	sp: rustc_span::Span,
	8	tts: TokenStream,
	9	) -> Box<dyn base::MacResult + 'cx> {
f035d41b	10	println!("{}", pprust::tts_to_string(&tts));
dfeec247 XL	11
	12	// any so that `log_syntax` can be invoked as an expression and item.
	13	base::DummyResult::any_valid(sp)
	14	}