44 lines
1.3 KiB
Rust
44 lines
1.3 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// force-host
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#![feature(plugin_registrar)]
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#![feature(box_syntax)]
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extern crate syntax;
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#[macro_use] extern crate rustc;
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use syntax::{ast, attr};
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use rustc::lint::{Context, LintPass, LintPassObject, LintArray};
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use rustc::plugin::Registry;
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declare_lint!(CRATE_NOT_OKAY, Warn, "crate not marked with #![crate_okay]");
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struct Pass;
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impl LintPass for Pass {
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fn get_lints(&self) -> LintArray {
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lint_array!(CRATE_NOT_OKAY)
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}
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fn check_crate(&mut self, cx: &Context, krate: &ast::Crate) {
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if !attr::contains_name(&krate.attrs, "crate_okay") {
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cx.span_lint(CRATE_NOT_OKAY, krate.span,
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"crate is not marked with #![crate_okay]");
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}
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}
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}
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#[plugin_registrar]
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pub fn plugin_registrar(reg: &mut Registry) {
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reg.register_lint_pass(box Pass as LintPassObject);
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}
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