53 lines
1.4 KiB
Rust
53 lines
1.4 KiB
Rust
#![feature(rustc_private)]
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extern crate rustc_ast;
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// Load rustc as a plugin to get macros
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extern crate rustc_driver;
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extern crate rustc_lint;
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#[macro_use]
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extern crate rustc_session;
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use rustc_ast as ast;
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use rustc_driver::plugin::Registry;
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use rustc_lint::{EarlyContext, EarlyLintPass, LintContext, LintId};
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declare_tool_lint!(pub clippy::TEST_LINT, Warn, "Warn about stuff");
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declare_tool_lint!(
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/// Some docs
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pub clippy::TEST_GROUP,
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Warn, "Warn about other stuff"
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);
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declare_tool_lint!(
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/// Some docs
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pub rustc::TEST_RUSTC_TOOL_LINT,
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Deny,
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"Deny internal stuff"
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);
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declare_lint_pass!(Pass => [TEST_LINT, TEST_GROUP, TEST_RUSTC_TOOL_LINT]);
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impl EarlyLintPass for Pass {
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fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
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if it.ident.name.as_str() == "lintme" {
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cx.lint(TEST_LINT, "item is named 'lintme'", |lint| lint.set_span(it.span));
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}
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if it.ident.name.as_str() == "lintmetoo" {
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cx.lint(TEST_GROUP, "item is named 'lintmetoo'", |lint| lint.set_span(it.span));
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}
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}
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}
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#[no_mangle]
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fn __rustc_plugin_registrar(reg: &mut Registry) {
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reg.lint_store.register_lints(&[&TEST_RUSTC_TOOL_LINT, &TEST_LINT, &TEST_GROUP]);
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reg.lint_store.register_early_pass(|| Box::new(Pass));
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reg.lint_store.register_group(
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true,
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"clippy::group",
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Some("clippy_group"),
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vec![LintId::of(&TEST_LINT), LintId::of(&TEST_GROUP)],
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);
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}
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