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https://github.com/rust-lang/rust-clippy
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uninlined_format_args: Ignore assert! and debug_assert! before 2021 edition
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commit
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6 changed files with 45 additions and 4 deletions
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@ -2,7 +2,8 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then};
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use clippy_utils::is_diag_trait_item;
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use clippy_utils::macros::FormatParamKind::{Implicit, Named, NamedInline, Numbered, Starred};
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use clippy_utils::macros::{
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is_format_macro, is_panic, root_macro_call, Count, FormatArg, FormatArgsExpn, FormatParam, FormatParamUsage,
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is_assert_macro, is_format_macro, is_panic, root_macro_call, Count, FormatArg, FormatArgsExpn, FormatParam,
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FormatParamUsage,
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};
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use clippy_utils::msrvs::{self, Msrv};
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use clippy_utils::source::snippet_opt;
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@ -290,8 +291,9 @@ fn check_uninlined_args(
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if args.format_string.span.from_expansion() {
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return;
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}
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if call_site.edition() < Edition2021 && is_panic(cx, def_id) {
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// panic! before 2021 edition considers a single string argument as non-format
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if call_site.edition() < Edition2021 && (is_panic(cx, def_id) || is_assert_macro(cx, def_id)) {
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// panic!, assert!, and debug_assert! before 2021 edition considers a single string argument as
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// non-format
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return;
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}
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@ -208,6 +208,12 @@ pub fn is_panic(cx: &LateContext<'_>, def_id: DefId) -> bool {
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)
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}
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/// Is `def_id` of `assert!` or `debug_assert!`
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pub fn is_assert_macro(cx: &LateContext<'_>, def_id: DefId) -> bool {
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let Some(name) = cx.tcx.get_diagnostic_name(def_id) else { return false };
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matches!(name, sym::assert_macro | sym::debug_assert_macro)
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}
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pub enum PanicExpn<'a> {
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/// No arguments - `panic!()`
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Empty,
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@ -26,4 +26,7 @@ fn main() {
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panic!("p4 {var}");
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}
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}
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assert!(var == 1, "p5 {}", var);
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debug_assert!(var == 1, "p6 {}", var);
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}
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@ -26,4 +26,7 @@ fn main() {
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panic!("p4 {var}");
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}
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}
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assert!(var == 1, "p5 {var}");
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debug_assert!(var == 1, "p6 {var}");
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}
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@ -47,5 +47,29 @@ LL - panic!("p3 {var}", var = var);
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LL + panic!("p3 {var}");
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error: aborting due to 4 previous errors
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error: variables can be used directly in the `format!` string
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--> $DIR/uninlined_format_args_panic.rs:30:5
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LL | assert!(var == 1, "p5 {}", var);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: change this to
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LL - assert!(var == 1, "p5 {}", var);
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LL + assert!(var == 1, "p5 {var}");
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error: variables can be used directly in the `format!` string
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--> $DIR/uninlined_format_args_panic.rs:31:5
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LL | debug_assert!(var == 1, "p6 {}", var);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: change this to
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LL - debug_assert!(var == 1, "p6 {}", var);
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LL + debug_assert!(var == 1, "p6 {var}");
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error: aborting due to 6 previous errors
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@ -26,4 +26,7 @@ fn main() {
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panic!("p4 {var}");
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}
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}
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assert!(var == 1, "p5 {}", var);
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debug_assert!(var == 1, "p6 {}", var);
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}
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