lint nested dbg! macros, split tests
This commit is contained in:
J-ZhengLi
parent
1fe884401a
commit
0535f55831
@ -2,6 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg;
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use clippy_utils::macros::root_macro_call;
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use clippy_utils::source::snippet_with_applicability;
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use clippy_utils::{is_in_cfg_test, is_in_test_function};
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use rustc_data_structures::fx::FxHashSet;
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use rustc_errors::Applicability;
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use rustc_hir::{Expr, ExprKind, Node};
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use rustc_lint::{LateContext, LateLintPass, LintContext};
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@ -31,12 +32,12 @@ declare_clippy_lint! {
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"`dbg!` macro is intended as a debugging tool"
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}
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#[derive(Copy, Clone)]
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#[derive(Clone)]
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pub struct DbgMacro {
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allow_dbg_in_tests: bool,
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/// Keep tracking of the previous `dbg!` macro call site in order to
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/// skip any other expressions from the same expansion, including nested macro calls.
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prev_dbg_call_site: Span,
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/// Keep tracks the `dbg!` macro callsites that are already checked,
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/// so that we can save some performance by skipping any expressions from the same expansion.
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checked_dbg_call_site: FxHashSet<Span>,
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}
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impl_lint_pass!(DbgMacro => [DBG_MACRO]);
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@ -45,7 +46,7 @@ impl DbgMacro {
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pub fn new(allow_dbg_in_tests: bool) -> Self {
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DbgMacro {
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allow_dbg_in_tests,
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prev_dbg_call_site: Span::default(),
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checked_dbg_call_site: FxHashSet::default(),
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}
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}
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}
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@ -57,11 +58,10 @@ impl LateLintPass<'_> for DbgMacro {
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else {
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return;
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};
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// skip previous checked exprs
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if self.prev_dbg_call_site.contains(macro_call.span) {
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if self.checked_dbg_call_site.contains(¯o_call.span) {
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return;
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}
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self.prev_dbg_call_site = macro_call.span;
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self.checked_dbg_call_site.insert(macro_call.span);
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// allows `dbg!` in test code if allow-dbg-in-test is set to true in clippy.toml
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if self.allow_dbg_in_tests && (is_in_test_function(cx.tcx, expr.hir_id) || is_in_cfg_test(cx.tcx, expr.hir_id))
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38
tests/ui-toml/dbg_macro/dbg_macro.fixed
Normal file
38
tests/ui-toml/dbg_macro/dbg_macro.fixed
Normal file
@ -0,0 +1,38 @@
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//@compile-flags: --test
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#![warn(clippy::dbg_macro)]
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#![allow(clippy::unnecessary_operation, clippy::no_effect)]
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fn foo(n: u32) -> u32 {
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if let Some(n) = n.checked_sub(4) { n } else { n }
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}
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fn factorial(n: u32) -> u32 {
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if n <= 1 {
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1
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} else {
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n * factorial(n - 1)
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}
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}
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fn main() {
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42;
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foo(3) + factorial(4);
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(1, 2, 3, 4, 5);
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}
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#[test]
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pub fn issue8481() {
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dbg!(1);
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}
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#[cfg(test)]
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fn foo2() {
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dbg!(1);
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}
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#[cfg(test)]
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mod mod1 {
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fn func() {
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dbg!(1);
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}
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}
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@ -1,6 +1,7 @@
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//@compile-flags: --test
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#![warn(clippy::dbg_macro)]
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//@no-rustfix
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#![allow(clippy::unnecessary_operation, clippy::no_effect)]
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fn foo(n: u32) -> u32 {
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if let Some(n) = dbg!(n.checked_sub(4)) { n } else { n }
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}
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@ -15,9 +16,7 @@ fn factorial(n: u32) -> u32 {
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fn main() {
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dbg!(42);
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dbg!(dbg!(dbg!(42)));
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foo(3) + dbg!(factorial(4));
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dbg!(1, 2, dbg!(3, 4));
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dbg!(1, 2, 3, 4, 5);
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}
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@ -1,5 +1,5 @@
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:5:22
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:6:22
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LL | if let Some(n) = dbg!(n.checked_sub(4)) { n } else { n }
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| ^^^^^^^^^^^^^^^^^^^^^^
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@ -12,7 +12,7 @@ LL | if let Some(n) = n.checked_sub(4) { n } else { n }
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| ~~~~~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:9:8
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:10:8
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LL | if dbg!(n <= 1) {
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| ^^^^^^^^^^^^
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@ -23,7 +23,7 @@ LL | if n <= 1 {
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| ~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:10:9
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:11:9
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LL | dbg!(1)
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| ^^^^^^^
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@ -34,7 +34,7 @@ LL | 1
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:12:9
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:13:9
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LL | dbg!(n * factorial(n - 1))
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -45,7 +45,7 @@ LL | n * factorial(n - 1)
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:17:5
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:18:5
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LL | dbg!(42);
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| ^^^^^^^^
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@ -55,17 +55,6 @@ help: remove the invocation before committing it to a version control system
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LL | 42;
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| ~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:18:5
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LL | dbg!(dbg!(dbg!(42)));
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| ^^^^^^^^^^^^^^^^^^^^
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help: remove the invocation before committing it to a version control system
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LL | dbg!(dbg!(42));
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| ~~~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:19:14
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@ -80,17 +69,6 @@ LL | foo(3) + factorial(4);
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:20:5
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LL | dbg!(1, 2, dbg!(3, 4));
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: remove the invocation before committing it to a version control system
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LL | (1, 2, dbg!(3, 4));
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| ~~~~~~~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui-toml/dbg_macro/dbg_macro.rs:21:5
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LL | dbg!(1, 2, 3, 4, 5);
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| ^^^^^^^^^^^^^^^^^^^
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@ -99,5 +77,5 @@ help: remove the invocation before committing it to a version control system
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LL | (1, 2, 3, 4, 5);
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| ~~~~~~~~~~~~~~~
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error: aborting due to 9 previous errors
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error: aborting due to 7 previous errors
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110
tests/ui/dbg_macro/dbg_macro.fixed
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110
tests/ui/dbg_macro/dbg_macro.fixed
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@ -0,0 +1,110 @@
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#![warn(clippy::dbg_macro)]
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#![allow(clippy::unnecessary_operation, clippy::no_effect)]
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fn foo(n: u32) -> u32 {
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if let Some(n) = n.checked_sub(4) { n } else { n }
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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fn bar(_: ()) {}
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fn factorial(n: u32) -> u32 {
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if n <= 1 {
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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1
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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} else {
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n * factorial(n - 1)
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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}
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fn main() {
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42;
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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foo(3) + factorial(4);
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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(1, 2, 3, 4, 5);
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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fn issue9914() {
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macro_rules! foo {
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($x:expr) => {
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$x;
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};
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}
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macro_rules! foo2 {
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($x:expr) => {
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$x;
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};
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}
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macro_rules! expand_to_dbg {
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() => {
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dbg!();
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};
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}
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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#[allow(clippy::let_unit_value)]
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let _ = ();
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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bar(());
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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foo!(());
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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foo2!(foo!(()));
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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expand_to_dbg!();
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}
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mod issue7274 {
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trait Thing<'b> {
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fn foo(&self);
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}
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macro_rules! define_thing {
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($thing:ident, $body:expr) => {
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impl<'a> Thing<'a> for $thing {
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fn foo<'b>(&self) {
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$body
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}
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}
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};
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}
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struct MyThing;
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define_thing!(MyThing, {
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2;
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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});
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}
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#[test]
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pub fn issue8481() {
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1;
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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#[cfg(test)]
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fn foo2() {
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1;
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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#[cfg(test)]
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mod mod1 {
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fn func() {
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1;
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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}
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mod issue12131 {
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fn dbg_in_print(s: &str) {
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println!("dbg: {:?}", s);
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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print!("{}", s);
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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}
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@ -1,9 +1,5 @@
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//@no-rustfix
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#![warn(clippy::dbg_macro)]
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#[path = "auxiliary/submodule.rs"]
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mod submodule;
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#![allow(clippy::unnecessary_operation, clippy::no_effect)]
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fn foo(n: u32) -> u32 {
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if let Some(n) = dbg!(n.checked_sub(4)) { n } else { n }
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@ -25,12 +21,8 @@ fn factorial(n: u32) -> u32 {
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fn main() {
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dbg!(42);
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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dbg!(dbg!(dbg!(42)));
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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foo(3) + dbg!(factorial(4));
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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dbg!(1, 2, dbg!(3, 4));
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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dbg!(1, 2, 3, 4, 5);
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//~^ ERROR: the `dbg!` macro is intended as a debugging tool
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}
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@ -1,30 +1,18 @@
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/auxiliary/submodule.rs:2:5
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LL | dbg!();
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| ^^^^^^^
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= note: `-D clippy::dbg-macro` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::dbg_macro)]`
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help: remove the invocation before committing it to a version control system
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LL - dbg!();
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LL +
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:9:22
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--> tests/ui/dbg_macro/dbg_macro.rs:5:22
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LL | if let Some(n) = dbg!(n.checked_sub(4)) { n } else { n }
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| ^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::dbg-macro` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::dbg_macro)]`
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help: remove the invocation before committing it to a version control system
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|
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LL | if let Some(n) = n.checked_sub(4) { n } else { n }
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| ~~~~~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:15:8
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--> tests/ui/dbg_macro/dbg_macro.rs:11:8
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|
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LL | if dbg!(n <= 1) {
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| ^^^^^^^^^^^^
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@ -35,7 +23,7 @@ LL | if n <= 1 {
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| ~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:17:9
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--> tests/ui/dbg_macro/dbg_macro.rs:13:9
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|
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LL | dbg!(1)
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| ^^^^^^^
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@ -46,7 +34,7 @@ LL | 1
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:20:9
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--> tests/ui/dbg_macro/dbg_macro.rs:16:9
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|
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LL | dbg!(n * factorial(n - 1))
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -57,7 +45,7 @@ LL | n * factorial(n - 1)
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|
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:26:5
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--> tests/ui/dbg_macro/dbg_macro.rs:22:5
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|
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LL | dbg!(42);
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| ^^^^^^^^
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@ -68,18 +56,7 @@ LL | 42;
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| ~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:28:5
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|
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LL | dbg!(dbg!(dbg!(42)));
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| ^^^^^^^^^^^^^^^^^^^^
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|
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help: remove the invocation before committing it to a version control system
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|
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LL | dbg!(dbg!(42));
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| ~~~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:30:14
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--> tests/ui/dbg_macro/dbg_macro.rs:24:14
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|
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LL | foo(3) + dbg!(factorial(4));
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| ^^^^^^^^^^^^^^^^^^
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@ -90,18 +67,7 @@ LL | foo(3) + factorial(4);
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| ~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:32:5
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|
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LL | dbg!(1, 2, dbg!(3, 4));
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: remove the invocation before committing it to a version control system
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|
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LL | (1, 2, dbg!(3, 4));
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| ~~~~~~~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:34:5
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--> tests/ui/dbg_macro/dbg_macro.rs:26:5
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LL | dbg!(1, 2, 3, 4, 5);
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| ^^^^^^^^^^^^^^^^^^^
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@ -112,7 +78,7 @@ LL | (1, 2, 3, 4, 5);
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| ~~~~~~~~~~~~~~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:55:5
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--> tests/ui/dbg_macro/dbg_macro.rs:47:5
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LL | dbg!();
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| ^^^^^^^
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@ -124,7 +90,7 @@ LL +
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:58:13
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--> tests/ui/dbg_macro/dbg_macro.rs:50:13
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|
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LL | let _ = dbg!();
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| ^^^^^^
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@ -135,7 +101,7 @@ LL | let _ = ();
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| ~~
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error: the `dbg!` macro is intended as a debugging tool
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--> tests/ui/dbg_macro/dbg_macro.rs:60:9
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--> tests/ui/dbg_macro/dbg_macro.rs:52:9
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LL | bar(dbg!());
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| ^^^^^^
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@ -146,7 +112,7 @@ LL | bar(());
|
||||
| ~~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:62:10
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:54:10
|
||||
|
|
||||
LL | foo!(dbg!());
|
||||
| ^^^^^^
|
||||
@ -157,7 +123,7 @@ LL | foo!(());
|
||||
| ~~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:64:16
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:56:16
|
||||
|
|
||||
LL | foo2!(foo!(dbg!()));
|
||||
| ^^^^^^
|
||||
@ -168,7 +134,7 @@ LL | foo2!(foo!(()));
|
||||
| ~~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:86:9
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:78:9
|
||||
|
|
||||
LL | dbg!(2);
|
||||
| ^^^^^^^
|
||||
@ -179,7 +145,7 @@ LL | 2;
|
||||
| ~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:93:5
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:85:5
|
||||
|
|
||||
LL | dbg!(1);
|
||||
| ^^^^^^^
|
||||
@ -190,7 +156,7 @@ LL | 1;
|
||||
| ~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:99:5
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:91:5
|
||||
|
|
||||
LL | dbg!(1);
|
||||
| ^^^^^^^
|
||||
@ -201,7 +167,7 @@ LL | 1;
|
||||
| ~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:106:9
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:98:9
|
||||
|
|
||||
LL | dbg!(1);
|
||||
| ^^^^^^^
|
||||
@ -212,7 +178,7 @@ LL | 1;
|
||||
| ~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> $DIR/dbg_macro.rs:113:31
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:105:31
|
||||
|
|
||||
LL | println!("dbg: {:?}", dbg!(s));
|
||||
| ^^^^^^^
|
||||
@ -223,7 +189,7 @@ LL | println!("dbg: {:?}", s);
|
||||
| ~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> $DIR/dbg_macro.rs:115:22
|
||||
--> tests/ui/dbg_macro/dbg_macro.rs:107:22
|
||||
|
|
||||
LL | print!("{}", dbg!(s));
|
||||
| ^^^^^^^
|
||||
@ -233,5 +199,5 @@ help: remove the invocation before committing it to a version control system
|
||||
LL | print!("{}", s);
|
||||
| ~
|
||||
|
||||
error: aborting due to 21 previous errors
|
||||
error: aborting due to 18 previous errors
|
||||
|
||||
|
||||
12
tests/ui/dbg_macro/dbg_macro_unfixable.rs
Normal file
12
tests/ui/dbg_macro/dbg_macro_unfixable.rs
Normal file
@ -0,0 +1,12 @@
|
||||
//@no-rustfix
|
||||
#![warn(clippy::dbg_macro)]
|
||||
|
||||
#[path = "auxiliary/submodule.rs"]
|
||||
mod submodule;
|
||||
|
||||
fn main() {
|
||||
dbg!(dbg!(dbg!(42)));
|
||||
//~^ ERROR: the `dbg!` macro is intended as a debugging tool
|
||||
dbg!(1, 2, dbg!(3, 4));
|
||||
//~^ ERROR: the `dbg!` macro is intended as a debugging tool
|
||||
}
|
||||
71
tests/ui/dbg_macro/dbg_macro_unfixable.stderr
Normal file
71
tests/ui/dbg_macro/dbg_macro_unfixable.stderr
Normal file
@ -0,0 +1,71 @@
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/auxiliary/submodule.rs:2:5
|
||||
|
|
||||
LL | dbg!();
|
||||
| ^^^^^^^
|
||||
|
|
||||
= note: `-D clippy::dbg-macro` implied by `-D warnings`
|
||||
= help: to override `-D warnings` add `#[allow(clippy::dbg_macro)]`
|
||||
help: remove the invocation before committing it to a version control system
|
||||
|
|
||||
LL - dbg!();
|
||||
LL +
|
||||
|
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro_unfixable.rs:8:5
|
||||
|
|
||||
LL | dbg!(dbg!(dbg!(42)));
|
||||
| ^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
||||
help: remove the invocation before committing it to a version control system
|
||||
|
|
||||
LL | dbg!(dbg!(42));
|
||||
| ~~~~~~~~~~~~~~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro_unfixable.rs:8:10
|
||||
|
|
||||
LL | dbg!(dbg!(dbg!(42)));
|
||||
| ^^^^^^^^^^^^^^
|
||||
|
|
||||
help: remove the invocation before committing it to a version control system
|
||||
|
|
||||
LL | dbg!(dbg!(42));
|
||||
| ~~~~~~~~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro_unfixable.rs:8:15
|
||||
|
|
||||
LL | dbg!(dbg!(dbg!(42)));
|
||||
| ^^^^^^^^
|
||||
|
|
||||
help: remove the invocation before committing it to a version control system
|
||||
|
|
||||
LL | dbg!(dbg!(42));
|
||||
| ~~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro_unfixable.rs:10:5
|
||||
|
|
||||
LL | dbg!(1, 2, dbg!(3, 4));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
||||
help: remove the invocation before committing it to a version control system
|
||||
|
|
||||
LL | (1, 2, dbg!(3, 4));
|
||||
| ~~~~~~~~~~~~~~~~~~
|
||||
|
||||
error: the `dbg!` macro is intended as a debugging tool
|
||||
--> tests/ui/dbg_macro/dbg_macro_unfixable.rs:10:16
|
||||
|
|
||||
LL | dbg!(1, 2, dbg!(3, 4));
|
||||
| ^^^^^^^^^^
|
||||
|
|
||||
help: remove the invocation before committing it to a version control system
|
||||
|
|
||||
LL | dbg!(1, 2, (3, 4));
|
||||
| ~~~~~~
|
||||
|
||||
error: aborting due to 6 previous errors
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user