rust/clippy_lints/src/attrs/blanket_clippy_restriction_lints.rs

45 lines
1.6 KiB
Rust

use super::utils::extract_clippy_lint;
use super::BLANKET_CLIPPY_RESTRICTION_LINTS;
use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then};
use rustc_ast::NestedMetaItem;
use rustc_lint::{LateContext, Level, LintContext};
use rustc_span::symbol::Symbol;
use rustc_span::{sym, DUMMY_SP};
pub(super) fn check(cx: &LateContext<'_>, name: Symbol, items: &[NestedMetaItem]) {
for lint in items {
if let Some(lint_name) = extract_clippy_lint(lint) {
if lint_name.as_str() == "restriction" && name != sym::allow {
span_lint_and_help(
cx,
BLANKET_CLIPPY_RESTRICTION_LINTS,
lint.span(),
"`clippy::restriction` is not meant to be enabled as a group",
None,
"enable the restriction lints you need individually",
);
}
}
}
}
pub(super) fn check_command_line(cx: &LateContext<'_>) {
for (name, level) in &cx.sess().opts.lint_opts {
if name == "clippy::restriction" && *level > Level::Allow {
span_lint_and_then(
cx,
BLANKET_CLIPPY_RESTRICTION_LINTS,
DUMMY_SP,
"`clippy::restriction` is not meant to be enabled as a group",
|diag| {
diag.note(format!(
"because of the command line `--{} clippy::restriction`",
level.as_str()
));
diag.help("enable the restriction lints you need individually");
},
);
}
}
}