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Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / test / auxiliary / lint_for_crate.rs
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1// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
11// force-host
12
13#![feature(plugin_registrar, rustc_private)]
14#![feature(box_syntax)]
15
c34b1796 16#[macro_use] extern crate rustc;
92a42be0 17extern crate rustc_plugin;
b039eaaf 18extern crate syntax;
c34b1796 19
b039eaaf 20use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray};
92a42be0 21use rustc_plugin::Registry;
54a0048b 22use rustc::hir;
b039eaaf 23use syntax::attr;
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24
25declare_lint!(CRATE_NOT_OKAY, Warn, "crate not marked with #![crate_okay]");
26
27struct Pass;
28
29impl LintPass for Pass {
30 fn get_lints(&self) -> LintArray {
31 lint_array!(CRATE_NOT_OKAY)
32 }
b039eaaf 33}
c34b1796 34
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35impl LateLintPass for Pass {
36 fn check_crate(&mut self, cx: &LateContext, krate: &hir::Crate) {
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37 if !attr::contains_name(&krate.attrs, "crate_okay") {
38 cx.span_lint(CRATE_NOT_OKAY, krate.span,
39 "crate is not marked with #![crate_okay]");
40 }
41 }
42}
43
44#[plugin_registrar]
45pub fn plugin_registrar(reg: &mut Registry) {
b039eaaf 46 reg.register_late_lint_pass(box Pass as LateLintPassObject);
c34b1796 47}