34 lines
890 B
Rust
34 lines
890 B
Rust
// force-host
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#![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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#[macro_use]
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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_driver::plugin::Registry;
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use rustc_lint::{EarlyContext, EarlyLintPass, LintArray, LintContext, LintPass};
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use rustc_ast as ast;
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declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
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declare_lint_pass!(Pass => [TEST_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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}
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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_LINT]);
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reg.lint_store.register_early_pass(|| Box::new(Pass));
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}
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