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[default_numeric_fallback]: improve const context detection

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y21 2024-01-18 17:15:11 +01:00
parent bb2d497364
commit efd8dafa2f
3 changed files with 87 additions and 7 deletions
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14
clippy_lints/src/default_numeric_fallback.rs
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@ -1,10 +1,10 @@
use clippy_utils::diagnostics::span_lint_hir_and_then;
use clippy_utils::numeric_literal;
use clippy_utils::source::snippet_opt;
use clippy_utils::{get_parent_node, numeric_literal};
use rustc_ast::ast::{LitFloatType, LitIntType, LitKind};
use rustc_errors::Applicability;
use rustc_hir::intravisit::{walk_expr, walk_stmt, Visitor};
use rustc_hir::{Block, Body, Expr, ExprKind, FnRetTy, HirId, ItemKind, Lit, Node, Stmt, StmtKind};
use rustc_hir::{Block, Body, ConstContext, Expr, ExprKind, FnRetTy, HirId, Lit, Stmt, StmtKind};
use rustc_lint::{LateContext, LateLintPass, LintContext};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty::{self, FloatTy, IntTy, PolyFnSig, Ty};
@ -50,11 +50,11 @@ declare_lint_pass!(DefaultNumericFallback => [DEFAULT_NUMERIC_FALLBACK]);
impl<'tcx> LateLintPass<'tcx> for DefaultNumericFallback {
fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) {
let is_parent_const = if let Some(Node::Item(item)) = get_parent_node(cx.tcx, body.id().hir_id) {
matches!(item.kind, ItemKind::Const(..))
} else {
false
};
let hir = cx.tcx.hir();
let is_parent_const = matches!(
hir.body_const_context(hir.body_owner_def_id(body.id())),
Some(ConstContext::Const { inline: false } | ConstContext::Static(_))
);
let mut visitor = NumericFallbackVisitor::new(cx, is_parent_const);
visitor.visit_body(body);
}