48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
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// Copyright 2014 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(phase, plugin_registrar)]
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extern crate syntax;
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// Load rustc as a plugin to get macros
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#[phase(plugin, link)]
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extern crate rustc;
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use syntax::ast;
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use syntax::parse::token;
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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!(TEST_LINT, Warn,
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"Warn about items named 'lintme'")
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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!(TEST_LINT)
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}
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fn check_item(&mut self, cx: &Context, it: &ast::Item) {
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let name = token::get_ident(it.ident);
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if name.get() == "lintme" {
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cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'");
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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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