]> git.lizzy.rs Git - rust.git/blobdiff - clippy_lints/src/bytecount.rs
Merge branch 'macro-use' into HEAD
[rust.git] / clippy_lints / src / bytecount.rs
index 165c46164bbc255f6bcb9cd1e2cb21fec71ae159..f66c376c86426ade25700c0ec524669343b1f6ad 100644 (file)
@@ -1,5 +1,7 @@
 use rustc::hir::*;
 use rustc::lint::*;
+use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use rustc::ty;
 use syntax::ast::{Name, UintTy};
 use crate::utils::{contains_name, get_pat_name, match_type, paths, single_segment_path, snippet, span_lint_and_sugg,
@@ -38,20 +40,20 @@ fn get_lints(&self) -> LintArray {
 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ByteCount {
     fn check_expr(&mut self, cx: &LateContext, expr: &Expr) {
         if_chain! {
-            if let ExprMethodCall(ref count, _, ref count_args) = expr.node;
-            if count.name == "count";
+            if let ExprKind::MethodCall(ref count, _, ref count_args) = expr.node;
+            if count.ident.name == "count";
             if count_args.len() == 1;
-            if let ExprMethodCall(ref filter, _, ref filter_args) = count_args[0].node;
-            if filter.name == "filter";
+            if let ExprKind::MethodCall(ref filter, _, ref filter_args) = count_args[0].node;
+            if filter.ident.name == "filter";
             if filter_args.len() == 2;
-            if let ExprClosure(_, _, body_id, _, _) = filter_args[1].node;
+            if let ExprKind::Closure(_, _, body_id, _, _) = filter_args[1].node;
             then {
                 let body = cx.tcx.hir.body(body_id);
                 if_chain! {
                     if body.arguments.len() == 1;
                     if let Some(argname) = get_pat_name(&body.arguments[0].pat);
-                    if let ExprBinary(ref op, ref l, ref r) = body.value.node;
-                    if op.node == BiEq;
+                    if let ExprKind::Binary(ref op, ref l, ref r) = body.value.node;
+                    if op.node == BinOpKind::Eq;
                     if match_type(cx,
                                walk_ptrs_ty(cx.tables.expr_ty(&filter_args[0])),
                                &paths::SLICE_ITER);
@@ -66,9 +68,9 @@ fn check_expr(&mut self, cx: &LateContext, expr: &Expr) {
                         if ty::TyUint(UintTy::U8) != walk_ptrs_ty(cx.tables.expr_ty(needle)).sty {
                             return;
                         }
-                        let haystack = if let ExprMethodCall(ref path, _, ref args) =
+                        let haystack = if let ExprKind::MethodCall(ref path, _, ref args) =
                                 filter_args[0].node {
-                            let p = path.name;
+                            let p = path.ident.name;
                             if (p == "iter" || p == "iter_mut") && args.len() == 1 {
                                 &args[0]
                             } else {
@@ -98,13 +100,13 @@ fn check_arg(name: Name, arg: Name, needle: &Expr) -> bool {
 
 fn get_path_name(expr: &Expr) -> Option<Name> {
     match expr.node {
-        ExprBox(ref e) | ExprAddrOf(_, ref e) | ExprUnary(UnOp::UnDeref, ref e) => get_path_name(e),
-        ExprBlock(ref b, _) => if b.stmts.is_empty() {
+        ExprKind::Box(ref e) | ExprKind::AddrOf(_, ref e) | ExprKind::Unary(UnOp::UnDeref, ref e) => get_path_name(e),
+        ExprKind::Block(ref b, _) => if b.stmts.is_empty() {
             b.expr.as_ref().and_then(|p| get_path_name(p))
         } else {
             None
         },
-        ExprPath(ref qpath) => single_segment_path(qpath).map(|ps| ps.name),
+        ExprKind::Path(ref qpath) => single_segment_path(qpath).map(|ps| ps.ident.name),
         _ => None,
     }
 }