From 904c99c163a53c4b9a49f172f9ceaa2ac8445473 Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Sat, 11 May 2024 15:37:31 +0800 Subject: [PATCH] make [`from_str_radix_10`] skip constant context --- clippy_lints/src/from_str_radix_10.rs | 5 ++++- tests/ui/from_str_radix_10.fixed | 11 +++++++++++ tests/ui/from_str_radix_10.rs | 11 +++++++++++ tests/ui/from_str_radix_10.stderr | 16 ++++++++-------- 4 files changed, 34 insertions(+), 9 deletions(-) diff --git a/clippy_lints/src/from_str_radix_10.rs b/clippy_lints/src/from_str_radix_10.rs index 633ed96d6..82ce501ba 100644 --- a/clippy_lints/src/from_str_radix_10.rs +++ b/clippy_lints/src/from_str_radix_10.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::is_integer_literal; use clippy_utils::sugg::Sugg; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; +use clippy_utils::{in_constant, is_integer_literal}; use rustc_errors::Applicability; use rustc_hir::{def, Expr, ExprKind, LangItem, PrimTy, QPath, TyKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -47,6 +47,9 @@ impl<'tcx> LateLintPass<'tcx> for FromStrRadix10 { fn check_expr(&mut self, cx: &LateContext<'tcx>, exp: &Expr<'tcx>) { if let ExprKind::Call(maybe_path, [src, radix]) = &exp.kind && let ExprKind::Path(QPath::TypeRelative(ty, pathseg)) = &maybe_path.kind + // do not lint in constant context, because the suggestion won't work. + // NB: keep this check until a new `const_trait_impl` is available and stablized. + && !in_constant(cx, exp.hir_id) // check if the first part of the path is some integer primitive && let TyKind::Path(ty_qpath) = &ty.kind diff --git a/tests/ui/from_str_radix_10.fixed b/tests/ui/from_str_radix_10.fixed index 8c253bfd9..f9ce1defd 100644 --- a/tests/ui/from_str_radix_10.fixed +++ b/tests/ui/from_str_radix_10.fixed @@ -1,3 +1,4 @@ +#![feature(const_int_from_str)] #![warn(clippy::from_str_radix_10)] mod some_mod { @@ -59,3 +60,13 @@ fn main() -> Result<(), Box> { Ok(()) } + +fn issue_12732() { + const A: Result = u32::from_str_radix("123", 10); + const B: () = { + let _ = u32::from_str_radix("123", 10); + }; + const fn foo() { + let _ = u32::from_str_radix("123", 10); + } +} diff --git a/tests/ui/from_str_radix_10.rs b/tests/ui/from_str_radix_10.rs index e9d022157..2d5b351f8 100644 --- a/tests/ui/from_str_radix_10.rs +++ b/tests/ui/from_str_radix_10.rs @@ -1,3 +1,4 @@ +#![feature(const_int_from_str)] #![warn(clippy::from_str_radix_10)] mod some_mod { @@ -59,3 +60,13 @@ fn main() -> Result<(), Box> { Ok(()) } + +fn issue_12732() { + const A: Result = u32::from_str_radix("123", 10); + const B: () = { + let _ = u32::from_str_radix("123", 10); + }; + const fn foo() { + let _ = u32::from_str_radix("123", 10); + } +} diff --git a/tests/ui/from_str_radix_10.stderr b/tests/ui/from_str_radix_10.stderr index 4aa84eca2..01a1bf894 100644 --- a/tests/ui/from_str_radix_10.stderr +++ b/tests/ui/from_str_radix_10.stderr @@ -1,5 +1,5 @@ error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:28:5 + --> tests/ui/from_str_radix_10.rs:29:5 | LL | u32::from_str_radix("30", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"30".parse::()` @@ -8,43 +8,43 @@ LL | u32::from_str_radix("30", 10)?; = help: to override `-D warnings` add `#[allow(clippy::from_str_radix_10)]` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:31:5 + --> tests/ui/from_str_radix_10.rs:32:5 | LL | i64::from_str_radix("24", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"24".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:33:5 + --> tests/ui/from_str_radix_10.rs:34:5 | LL | isize::from_str_radix("100", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"100".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:35:5 + --> tests/ui/from_str_radix_10.rs:36:5 | LL | u8::from_str_radix("7", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"7".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:37:5 + --> tests/ui/from_str_radix_10.rs:38:5 | LL | u16::from_str_radix(&("10".to_owned() + "5"), 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `("10".to_owned() + "5").parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:39:5 + --> tests/ui/from_str_radix_10.rs:40:5 | LL | i128::from_str_radix(Test + Test, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(Test + Test).parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:43:5 + --> tests/ui/from_str_radix_10.rs:44:5 | LL | i32::from_str_radix(string, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `string.parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:47:5 + --> tests/ui/from_str_radix_10.rs:48:5 | LL | i32::from_str_radix(&stringier, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `stringier.parse::()`