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| 1 | +// Copyright 2014 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(phase, plugin_registrar)] |
| 14 | + |
| 15 | +extern crate syntax; |
| 16 | + |
| 17 | +// Load rustc as a plugin to get macros |
| 18 | +#[phase(plugin, link)] |
| 19 | +extern crate rustc; |
| 20 | + |
| 21 | +use syntax::ast; |
| 22 | +use syntax::parse::token; |
| 23 | +use rustc::lint::{Context, LintPass, LintPassObject, LintArray}; |
| 24 | +use rustc::plugin::Registry; |
| 25 | + |
| 26 | +declare_lint!(TEST_LINT, Warn, |
| 27 | + "Warn about items named 'lintme'") |
| 28 | + |
| 29 | +struct Pass; |
| 30 | + |
| 31 | +impl LintPass for Pass { |
| 32 | + fn get_lints(&self) -> LintArray { |
| 33 | + lint_array!(TEST_LINT) |
| 34 | + } |
| 35 | + |
| 36 | + fn check_item(&mut self, cx: &Context, it: &ast::Item) { |
| 37 | + let name = token::get_ident(it.ident); |
| 38 | + if name.get() == "lintme" { |
| 39 | + cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'"); |
| 40 | + } |
| 41 | + } |
| 42 | +} |
| 43 | + |
| 44 | +#[plugin_registrar] |
| 45 | +pub fn plugin_registrar(reg: &mut Registry) { |
| 46 | + reg.register_lint_pass(box Pass as LintPassObject); |
| 47 | +} |
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