use crate::utils::{snippet_opt, span_lint_and_help, span_lint_and_sugg};
+use rustc_ast::ast;
+use rustc_ast::tokenstream::TokenStream;
use rustc_errors::Applicability;
use rustc_lint::{EarlyContext, EarlyLintPass};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::source_map::Span;
-use syntax::ast;
-use syntax::tokenstream::TokenStream;
declare_clippy_lint! {
/// **What it does:** Checks for usage of dbg!() macro.
declare_lint_pass!(DbgMacro => [DBG_MACRO]);
impl EarlyLintPass for DbgMacro {
- fn check_mac(&mut self, cx: &EarlyContext<'_>, mac: &ast::Mac) {
+ fn check_mac(&mut self, cx: &EarlyContext<'_>, mac: &ast::MacCall) {
if mac.path == sym!(dbg) {
if let Some(sugg) = tts_span(mac.args.inner_tokens()).and_then(|span| snippet_opt(cx, span)) {
span_lint_and_sugg(
DBG_MACRO,
mac.span(),
"`dbg!` macro is intended as a debugging tool",
+ None,
"ensure to avoid having uses of it in version control",
);
}