]> git.lizzy.rs Git - rust.git/blobdiff - clippy_lints/src/arithmetic.rs
Merge branch 'macro-use' into HEAD
[rust.git] / clippy_lints / src / arithmetic.rs
index 5020295e20c96f85c52172d1759303f95651c106..b3d78d2d13f7951c3a9eb8138494b8c4dd9fd0f6 100644 (file)
@@ -1,7 +1,8 @@
+use crate::utils::span_lint;
 use rustc::hir;
 use rustc::lint::*;
+use rustc::{declare_lint, lint_array};
 use syntax::codemap::Span;
-use utils::span_lint;
 
 /// **What it does:** Checks for plain integer arithmetic.
 ///
@@ -15,8 +16,9 @@
 /// ```rust
 /// a + 1
 /// ```
-declare_restriction_lint! {
+declare_clippy_lint! {
     pub INTEGER_ARITHMETIC,
+    restriction,
     "any integer arithmetic statement"
 }
 
@@ -31,8 +33,9 @@
 /// ```rust
 /// a + 1.0
 /// ```
-declare_restriction_lint! {
+declare_clippy_lint! {
     pub FLOAT_ARITHMETIC,
+    restriction,
     "any floating-point arithmetic statement"
 }
 
@@ -53,13 +56,24 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
             return;
         }
         match expr.node {
-            hir::ExprBinary(ref op, ref l, ref r) => {
+            hir::ExprKind::Binary(ref op, ref l, ref r) => {
                 match op.node {
-                    hir::BiAnd | hir::BiOr | hir::BiBitAnd | hir::BiBitOr | hir::BiBitXor | hir::BiShl |
-                    hir::BiShr | hir::BiEq | hir::BiLt | hir::BiLe | hir::BiNe | hir::BiGe | hir::BiGt => return,
+                    hir::BinOpKind::And
+                    | hir::BinOpKind::Or
+                    | hir::BinOpKind::BitAnd
+                    | hir::BinOpKind::BitOr
+                    | hir::BinOpKind::BitXor
+                    | hir::BinOpKind::Shl
+                    | hir::BinOpKind::Shr
+                    | hir::BinOpKind::Eq
+                    | hir::BinOpKind::Lt
+                    | hir::BinOpKind::Le
+                    | hir::BinOpKind::Ne
+                    | hir::BinOpKind::Ge
+                    | hir::BinOpKind::Gt => return,
                     _ => (),
                 }
-                let (l_ty, r_ty) = (cx.tcx.tables().expr_ty(l), cx.tcx.tables().expr_ty(r));
+                let (l_ty, r_ty) = (cx.tables.expr_ty(l), cx.tables.expr_ty(r));
                 if l_ty.is_integral() && r_ty.is_integral() {
                     span_lint(cx, INTEGER_ARITHMETIC, expr.span, "integer arithmetic detected");
                     self.span = Some(expr.span);
@@ -67,9 +81,9 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
                     span_lint(cx, FLOAT_ARITHMETIC, expr.span, "floating-point arithmetic detected");
                     self.span = Some(expr.span);
                 }
-            }
-            hir::ExprUnary(hir::UnOp::UnNeg, ref arg) => {
-                let ty = cx.tcx.tables().expr_ty(arg);
+            },
+            hir::ExprKind::Unary(hir::UnOp::UnNeg, ref arg) => {
+                let ty = cx.tables.expr_ty(arg);
                 if ty.is_integral() {
                     span_lint(cx, INTEGER_ARITHMETIC, expr.span, "integer arithmetic detected");
                     self.span = Some(expr.span);
@@ -77,7 +91,7 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
                     span_lint(cx, FLOAT_ARITHMETIC, expr.span, "floating-point arithmetic detected");
                     self.span = Some(expr.span);
                 }
-            }
+            },
             _ => (),
         }
     }