mirror of
https://github.com/rust-lang/rust.git
synced 2025-05-01 12:37:37 +00:00
15 lines
482 B
Rust
15 lines
482 B
Rust
use rustc_ast::tokenstream::TokenStream;
|
|
use rustc_ast_pretty::pprust;
|
|
use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacroExpanderResult};
|
|
|
|
pub(crate) fn expand_log_syntax<'cx>(
|
|
_cx: &'cx mut ExtCtxt<'_>,
|
|
sp: rustc_span::Span,
|
|
tts: TokenStream,
|
|
) -> MacroExpanderResult<'cx> {
|
|
println!("{}", pprust::tts_to_string(&tts));
|
|
|
|
// any so that `log_syntax` can be invoked as an expression and item.
|
|
ExpandResult::Ready(DummyResult::any_valid(sp))
|
|
}
|