rust/tests/ui-internal/outer_expn_data.rs

28 lines
584 B
Rust

#![deny(clippy::internal)]
#![allow(clippy::missing_clippy_version_attribute)]
#![feature(rustc_private)]
extern crate rustc_hir;
extern crate rustc_lint;
extern crate rustc_middle;
#[macro_use]
extern crate rustc_session;
use rustc_hir::Expr;
use rustc_lint::{LateContext, LateLintPass};
declare_lint! {
pub TEST_LINT,
Warn,
""
}
declare_lint_pass!(Pass => [TEST_LINT]);
impl<'tcx> LateLintPass<'tcx> for Pass {
fn check_expr(&mut self, _cx: &LateContext<'tcx>, expr: &'tcx Expr) {
let _ = expr.span.ctxt().outer_expn().expn_data();
}
}
fn main() {}