src/tools/clippy/tests/ui/outer_expn_data.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

// run-rustfix

#![deny(clippy::internal)]
#![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<'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() {}