rust/tests/ui/outer_expn_data.rs

24 lines
483 B
Rust

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