Add instructions to run from source

[rust.git] / clippy_lints / src / default_numeric_fallback.rs

diff --git a/clippy_lints/src/default_numeric_fallback.rs b/clippy_lints/src/default_numeric_fallback.rs
index 6e88394268042b5e69be6bafc87e48ac11e97297..a125376bffa9fa405089ba1cc483e3543496aee9 100644 (file)
--- a/clippy_lints/src/default_numeric_fallback.rs
+++ b/clippy_lints/src/default_numeric_fallback.rs
@@ -7,9 +7,10 @@
     intravisit::{walk_expr, walk_stmt, NestedVisitorMap, Visitor},
     Body, Expr, ExprKind, HirId, Lit, Stmt, StmtKind,
 };
-use rustc_lint::{LateContext, LateLintPass};
+use rustc_lint::{LateContext, LateLintPass, LintContext};
 use rustc_middle::{
     hir::map::Map,
+    lint::in_external_macro,
     ty::{self, FloatTy, IntTy, PolyFnSig, Ty},
 };
 use rustc_session::{declare_lint_pass, declare_tool_lint};
@@ -73,6 +74,7 @@ fn new(cx: &'a LateContext<'tcx>) -> Self {
     /// Check whether a passed literal has potential to cause fallback or not.
     fn check_lit(&self, lit: &Lit, lit_ty: Ty<'tcx>) {
         if_chain! {
+                if !in_external_macro(self.cx.sess(), lit.span);
                 if let Some(ty_bound) = self.ty_bounds.last();
                 if matches!(lit.node,
                             LitKind::Int(_, LitIntType::Unsuffixed) | LitKind::Float(_, LitFloatType::Unsuffixed));
@@ -181,9 +183,9 @@ fn visit_stmt(&mut self, stmt: &'tcx Stmt<'_>) {
         match stmt.kind {
             StmtKind::Local(local) => {
                 if local.ty.is_some() {
-                    self.ty_bounds.push(TyBound::Any)
+                    self.ty_bounds.push(TyBound::Any);
                 } else {
-                    self.ty_bounds.push(TyBound::Nothing)
+                    self.ty_bounds.push(TyBound::Nothing);
                 }
             },