36 lines
1.1 KiB
Rust
36 lines
1.1 KiB
Rust
// force-host
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#![feature(plugin_registrar)]
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#![feature(box_syntax, rustc_private)]
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// Load rustc as a plugin to get macros.
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#[macro_use]
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extern crate rustc;
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extern crate rustc_plugin;
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use rustc::hir;
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use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray};
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use rustc_plugin::Registry;
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declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
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declare_lint!(PLEASE_LINT, Warn, "Warn about items named 'pleaselintme'");
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declare_lint_pass!(Pass => [TEST_LINT, PLEASE_LINT]);
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impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
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fn check_item(&mut self, cx: &LateContext, it: &hir::Item) {
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match &*it.ident.as_str() {
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"lintme" => cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'"),
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"pleaselintme" => cx.span_lint(PLEASE_LINT, it.span, "item is named 'pleaselintme'"),
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_ => {}
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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_late_lint_pass(box Pass);
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reg.register_lint_group("lint_me", None, vec![TEST_LINT, PLEASE_LINT]);
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}
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