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