mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-15 09:27:25 +00:00
Rustup to *rustc 1.20.0-nightly (d84693b93 2017-07-09)*
This commit is contained in:
parent
fd7dda097b
commit
a82cd77b2b
16 changed files with 57 additions and 59 deletions
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@ -48,7 +48,7 @@ impl EarlyLintPass for DoubleParens {
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}
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}
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},
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ExprKind::MethodCall(_, _, ref params) => {
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ExprKind::MethodCall(_, ref params) => {
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if params.len() == 2 {
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let param = ¶ms[1];
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if let ExprKind::Paren(_) = param.node {
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@ -89,9 +89,9 @@ fn check_cond<'a, 'tcx, 'b>(
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check: &'b Expr
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) -> Option<(&'static str, &'b Expr, &'b Expr)> {
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if_let_chain! {[
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let ExprMethodCall(ref name, _, ref params) = check.node,
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let ExprMethodCall(ref path, _, ref params) = check.node,
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params.len() >= 2,
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name.node == "contains_key",
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path.name == "contains_key",
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let ExprAddrOf(_, ref key) = params[1].node
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], {
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let map = ¶ms[0];
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@ -123,9 +123,9 @@ struct InsertVisitor<'a, 'tcx: 'a, 'b> {
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impl<'a, 'tcx, 'b> Visitor<'tcx> for InsertVisitor<'a, 'tcx, 'b> {
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fn visit_expr(&mut self, expr: &'tcx Expr) {
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if_let_chain! {[
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let ExprMethodCall(ref name, _, ref params) = expr.node,
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let ExprMethodCall(ref path, _, ref params) = expr.node,
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params.len() == 3,
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name.node == "insert",
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path.name == "insert",
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get_item_name(self.cx, self.map) == get_item_name(self.cx, ¶ms[0]),
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SpanlessEq::new(self.cx).eq_expr(self.key, ¶ms[1])
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], {
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@ -219,7 +219,7 @@ fn check_expr<'a, 'tcx>(vis: &mut ReadVisitor<'a, 'tcx>, expr: &'tcx Expr) -> St
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match expr.node {
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ExprArray(_) |
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ExprTup(_) |
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ExprMethodCall(_, _, _) |
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ExprMethodCall(..) |
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ExprCall(_, _) |
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ExprAssign(_, _) |
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ExprIndex(_, _) |
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@ -158,9 +158,9 @@ fn check_cmp(cx: &LateContext, span: Span, left: &Expr, right: &Expr, op: &str)
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}
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}
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match (&left.node, &right.node) {
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(&ExprLit(ref lit), &ExprMethodCall(ref method, _, ref args)) |
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(&ExprMethodCall(ref method, _, ref args), &ExprLit(ref lit)) => {
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check_len_zero(cx, span, method.node, args, lit, op)
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(&ExprLit(ref lit), &ExprMethodCall(ref method_path, _, ref args)) |
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(&ExprMethodCall(ref method_path, _, ref args), &ExprLit(ref lit)) => {
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check_len_zero(cx, span, method_path.name, args, lit, op)
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},
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_ => (),
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}
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@ -405,10 +405,10 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
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if let ExprMatch(ref match_expr, ref arms, MatchSource::WhileLetDesugar) = expr.node {
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let pat = &arms[0].pats[0].node;
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if let (&PatKind::TupleStruct(ref qpath, ref pat_args, _),
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&ExprMethodCall(method_name, _, ref method_args)) = (pat, &match_expr.node) {
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&ExprMethodCall(ref method_path, _, ref method_args)) = (pat, &match_expr.node) {
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let iter_expr = &method_args[0];
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let lhs_constructor = last_path_segment(qpath);
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if self.loop_count < 2 && method_name.node == "next" &&
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if self.loop_count < 2 && method_path.name == "next" &&
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match_trait_method(cx, match_expr, &paths::ITERATOR) &&
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lhs_constructor.name == "Some" && !is_refutable(cx, &pat_args[0]) &&
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!is_iterator_used_after_while_let(cx, iter_expr) {
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@ -428,7 +428,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
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fn check_stmt(&mut self, cx: &LateContext<'a, 'tcx>, stmt: &'tcx Stmt) {
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if let StmtSemi(ref expr, _) = stmt.node {
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if let ExprMethodCall(ref method, _, ref args) = expr.node {
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if args.len() == 1 && method.node == "collect" && match_trait_method(cx, expr, &paths::ITERATOR) {
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if args.len() == 1 && method.name == "collect" && match_trait_method(cx, expr, &paths::ITERATOR) {
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span_lint(cx,
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UNUSED_COLLECT,
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expr.span,
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@ -660,9 +660,9 @@ fn check_for_loop_range<'a, 'tcx>(
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fn is_len_call(expr: &Expr, var: &Name) -> bool {
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if_let_chain! {[
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let ExprMethodCall(method, _, ref len_args) = expr.node,
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let ExprMethodCall(ref method, _, ref len_args) = expr.node,
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len_args.len() == 1,
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method.node == "len",
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method.name == "len",
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let ExprPath(QPath::Resolved(_, ref path)) = len_args[0].node,
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path.segments.len() == 1,
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path.segments[0].name == *var
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@ -747,11 +747,11 @@ fn check_for_loop_arg(cx: &LateContext, pat: &Pat, arg: &Expr, expr: &Expr) {
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if let ExprMethodCall(ref method, _, ref args) = arg.node {
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// just the receiver, no arguments
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if args.len() == 1 {
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let method_name = method.node.as_str();
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let method_name = &*method.name.as_str();
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// check for looping over x.iter() or x.iter_mut(), could use &x or &mut x
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if method_name == "iter" || method_name == "iter_mut" {
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if is_ref_iterable_type(cx, &args[0]) {
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lint_iter_method(cx, args, arg, &method_name);
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lint_iter_method(cx, args, arg, method_name);
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}
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} else if method_name == "into_iter" && match_trait_method(cx, arg, &paths::INTO_ITERATOR) {
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let def_id = cx.tables.type_dependent_defs[&arg.id].def_id();
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@ -761,7 +761,7 @@ fn check_for_loop_arg(cx: &LateContext, pat: &Pat, arg: &Expr, expr: &Expr) {
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let fn_arg_tys = method_type.fn_sig(cx.tcx).inputs();
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assert_eq!(fn_arg_tys.skip_binder().len(), 1);
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if fn_arg_tys.skip_binder()[0].is_region_ptr() {
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lint_iter_method(cx, args, arg, &method_name);
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lint_iter_method(cx, args, arg, method_name);
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} else {
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let object = snippet(cx, args[0].span, "_");
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span_lint_and_sugg(cx,
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@ -28,8 +28,8 @@ pub struct Pass;
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impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
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fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
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// call to .map()
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if let ExprMethodCall(name, _, ref args) = expr.node {
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if name.node == "map" && args.len() == 2 {
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if let ExprMethodCall(ref method, _, ref args) = expr.node {
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if method.name == "map" && args.len() == 2 {
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match args[1].node {
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ExprClosure(_, ref decl, closure_eid, _) => {
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let body = cx.tcx.hir.body(closure_eid);
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@ -59,8 +59,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
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}
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}
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// explicit clone() calls ( .map(|x| x.clone()) )
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else if let ExprMethodCall(clone_call, _, ref clone_args) = closure_expr.node {
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if clone_call.node == "clone" &&
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else if let ExprMethodCall(ref clone_call, _, ref clone_args) = closure_expr.node {
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if clone_call.name == "clone" &&
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clone_args.len() == 1 &&
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match_trait_method(cx, closure_expr, &paths::CLONE_TRAIT) &&
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expr_eq_name(&clone_args[0], arg_ident)
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@ -559,7 +559,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
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}
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match expr.node {
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hir::ExprMethodCall(name, _, ref args) => {
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hir::ExprMethodCall(ref method_call, _, ref args) => {
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// Chain calls
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// GET_UNWRAP needs to be checked before general `UNWRAP` lints
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if let Some(arglists) = method_chain_args(expr, &["get", "unwrap"]) {
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@ -604,17 +604,17 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
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lint_iter_cloned_collect(cx, expr, arglists[0]);
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}
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lint_or_fun_call(cx, expr, &name.node.as_str(), args);
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lint_or_fun_call(cx, expr, &method_call.name.as_str(), args);
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let self_ty = cx.tables.expr_ty_adjusted(&args[0]);
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if args.len() == 1 && name.node == "clone" {
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if args.len() == 1 && method_call.name == "clone" {
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lint_clone_on_copy(cx, expr, &args[0], self_ty);
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}
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match self_ty.sty {
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ty::TyRef(_, ty) if ty.ty.sty == ty::TyStr => {
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for &(method, pos) in &PATTERN_METHODS {
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if name.node == method && args.len() > pos {
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if method_call.name == method && args.len() > pos {
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lint_single_char_pattern(cx, expr, &args[pos]);
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}
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}
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@ -804,8 +804,8 @@ fn lint_or_fun_call(cx: &LateContext, expr: &hir::Expr, name: &str, args: &[hir:
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check_general_case(cx, name, fun.span, &args[0], &args[1], or_has_args, expr.span);
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}
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},
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hir::ExprMethodCall(fun, _, ref or_args) => {
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check_general_case(cx, name, fun.span, &args[0], &args[1], !or_args.is_empty(), expr.span)
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hir::ExprMethodCall(_, span, ref or_args) => {
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check_general_case(cx, name, span, &args[0], &args[1], !or_args.is_empty(), expr.span)
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},
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_ => {},
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}
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@ -981,8 +981,8 @@ fn derefs_to_slice(cx: &LateContext, expr: &hir::Expr, ty: Ty) -> Option<sugg::S
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}
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}
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if let hir::ExprMethodCall(name, _, ref args) = expr.node {
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if name.node == "iter" && may_slice(cx, cx.tables.expr_ty(&args[0])) {
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if let hir::ExprMethodCall(ref path, _, ref args) = expr.node {
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if path.name == "iter" && may_slice(cx, cx.tables.expr_ty(&args[0])) {
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sugg::Sugg::hir_opt(cx, &args[0]).map(|sugg| sugg.addr())
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} else {
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None
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@ -44,11 +44,11 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnnecessaryMutPassed {
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&print::to_string(print::NO_ANN, |s| s.print_qpath(path, false)));
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}
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},
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ExprMethodCall(ref name, _, ref arguments) => {
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ExprMethodCall(ref path, _, ref arguments) => {
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let def_id = cx.tables.type_dependent_defs[&e.id].def_id();
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let substs = cx.tables.node_substs(e.id);
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let method_type = cx.tcx.type_of(def_id).subst(cx.tcx, substs);
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check_arguments(cx, arguments, method_type, &name.node.as_str())
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check_arguments(cx, arguments, method_type, &path.name.as_str())
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},
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_ => (),
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}
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@ -34,9 +34,9 @@ impl LintPass for NonSensical {
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impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NonSensical {
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fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
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if let ExprMethodCall(ref name, _, ref arguments) = e.node {
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if let ExprMethodCall(ref path, _, ref arguments) = e.node {
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let (obj_ty, _) = walk_ptrs_ty_depth(cx.tables.expr_ty(&arguments[0]));
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if name.node == "open" && match_type(cx, obj_ty, &paths::OPEN_OPTIONS) {
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if path.name == "open" && match_type(cx, obj_ty, &paths::OPEN_OPTIONS) {
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let mut options = Vec::new();
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get_open_options(cx, &arguments[0], &mut options);
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check_open_options(cx, &options, e.span);
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@ -62,7 +62,7 @@ enum OpenOption {
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}
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fn get_open_options(cx: &LateContext, argument: &Expr, options: &mut Vec<(OpenOption, Argument)>) {
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if let ExprMethodCall(ref name, _, ref arguments) = argument.node {
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if let ExprMethodCall(ref path, _, ref arguments) = argument.node {
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let (obj_ty, _) = walk_ptrs_ty_depth(cx.tables.expr_ty(&arguments[0]));
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// Only proceed if this is a call on some object of type std::fs::OpenOptions
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@ -81,7 +81,7 @@ fn get_open_options(cx: &LateContext, argument: &Expr, options: &mut Vec<(OpenOp
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_ => Argument::Unknown,
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};
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match &*name.node.as_str() {
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match &*path.name.as_str() {
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"create" => {
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options.push((OpenOption::Create, argument_option));
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},
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@ -75,7 +75,7 @@ impl EarlyLintPass for Precedence {
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}
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if let ExprKind::Unary(UnOp::Neg, ref rhs) = expr.node {
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if let ExprKind::MethodCall(_, _, ref args) = rhs.node {
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if let ExprKind::MethodCall(_, ref args) = rhs.node {
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if let Some(slf) = args.first() {
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if let ExprKind::Lit(ref lit) = slf.node {
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match lit.node {
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@ -1,6 +1,5 @@
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use rustc::lint::*;
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use rustc::hir::*;
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use syntax::codemap::Spanned;
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use utils::{is_integer_literal, paths, snippet, span_lint};
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use utils::{higher, implements_trait, get_trait_def_id};
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@ -49,8 +48,8 @@ impl LintPass for StepByZero {
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impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StepByZero {
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fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
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if let ExprMethodCall(Spanned { node: ref name, .. }, _, ref args) = expr.node {
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let name = name.as_str();
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if let ExprMethodCall(ref path, _, ref args) = expr.node {
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let name = path.name.as_str();
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// Range with step_by(0).
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if name == "step_by" && args.len() == 2 && has_step_by(cx, &args[0]) {
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@ -69,14 +68,14 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StepByZero {
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let zip_arg = &args[1];
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if_let_chain! {[
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// .iter() call
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let ExprMethodCall( Spanned { node: iter_name, .. }, _, ref iter_args ) = *iter,
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iter_name == "iter",
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let ExprMethodCall(ref iter_path, _, ref iter_args ) = *iter,
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iter_path.name == "iter",
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// range expression in .zip() call: 0..x.len()
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let Some(higher::Range { start: Some(start), end: Some(end), .. }) = higher::range(zip_arg),
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is_integer_literal(start, 0),
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// .len() call
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let ExprMethodCall(Spanned { node: len_name, .. }, _, ref len_args) = end.node,
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len_name == "len" && len_args.len() == 1,
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let ExprMethodCall(ref len_path, _, ref len_args) = end.node,
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len_path.name == "len" && len_args.len() == 1,
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// .iter() and .len() called on same Path
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let ExprPath(QPath::Resolved(_, ref iter_path)) = iter_args[0].node,
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let ExprPath(QPath::Resolved(_, ref len_path)) = len_args[0].node,
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|
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@ -142,8 +142,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringLitAsBytes {
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use syntax::ast::LitKind;
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use utils::{snippet, in_macro};
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if let ExprMethodCall(ref name, _, ref args) = e.node {
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if name.node == "as_bytes" {
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if let ExprMethodCall(ref path, _, ref args) = e.node {
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if path.name == "as_bytes" {
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if let ExprLit(ref lit) = args[0].node {
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if let LitKind::Str(ref lit_content, _) = lit.node {
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if lit_content.as_str().chars().all(|c| c.is_ascii()) && !in_macro(args[0].span) {
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@ -55,8 +55,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnusedIoAmount {
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}
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},
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hir::ExprMethodCall(ref symbol, _, ref args) => {
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match &*symbol.node.as_str() {
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hir::ExprMethodCall(ref path, _, ref args) => {
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match &*path.name.as_str() {
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"expect" | "unwrap" | "unwrap_or" | "unwrap_or_else" => {
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check_method_call(cx, &args[0], expr);
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},
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@ -70,8 +70,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnusedIoAmount {
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}
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fn check_method_call(cx: &LateContext, call: &hir::Expr, expr: &hir::Expr) {
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if let hir::ExprMethodCall(ref symbol, _, _) = call.node {
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let symbol = &*symbol.node.as_str();
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if let hir::ExprMethodCall(ref path, _, _) = call.node {
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let symbol = &*path.name.as_str();
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if match_trait_method(cx, call, &paths::IO_READ) && symbol == "read" {
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span_lint(cx,
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UNUSED_IO_AMOUNT,
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|
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@ -110,10 +110,9 @@ impl<'a, 'tcx: 'a> SpanlessEq<'a, 'tcx> {
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over(&l.pats, &r.pats, |l, r| self.eq_pat(l, r))
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})
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},
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(&ExprMethodCall(ref l_name, ref l_tys, ref l_args),
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&ExprMethodCall(ref r_name, ref r_tys, ref r_args)) => {
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!self.ignore_fn && l_name.node == r_name.node && over(l_tys, r_tys, |l, r| self.eq_ty(l, r)) &&
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self.eq_exprs(l_args, r_args)
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(&ExprMethodCall(ref l_path, _, ref l_args),
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&ExprMethodCall(ref r_path, _, ref r_args)) => {
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!self.ignore_fn && l_path == r_path && self.eq_exprs(l_args, r_args)
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},
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(&ExprRepeat(ref le, ll_id), &ExprRepeat(ref re, rl_id)) => {
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self.eq_expr(le, re) &&
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||||
|
@ -428,10 +427,10 @@ impl<'a, 'tcx: 'a> SpanlessHash<'a, 'tcx> {
|
|||
|
||||
s.hash(&mut self.s);
|
||||
},
|
||||
ExprMethodCall(ref name, ref _tys, ref args) => {
|
||||
ExprMethodCall(ref path, ref _tys, ref args) => {
|
||||
let c: fn(_, _, _) -> _ = ExprMethodCall;
|
||||
c.hash(&mut self.s);
|
||||
self.hash_name(&name.node);
|
||||
self.hash_name(&path.name);
|
||||
self.hash_exprs(args);
|
||||
},
|
||||
ExprRepeat(ref e, l_id) => {
|
||||
|
|
|
@ -175,9 +175,9 @@ fn print_expr(cx: &LateContext, expr: &hir::Expr, indent: usize) {
|
|||
print_expr(cx, arg, indent + 1);
|
||||
}
|
||||
},
|
||||
hir::ExprMethodCall(ref name, _, ref args) => {
|
||||
hir::ExprMethodCall(ref path, _, ref args) => {
|
||||
println!("{}MethodCall", ind);
|
||||
println!("{}method name: {}", ind, name.node);
|
||||
println!("{}method name: {}", ind, path.name);
|
||||
for arg in args {
|
||||
print_expr(cx, arg, indent + 1);
|
||||
}
|
||||
|
|
|
@ -336,8 +336,8 @@ pub fn method_chain_args<'a>(expr: &'a Expr, methods: &[&str]) -> Option<Vec<&'a
|
|||
let mut matched = Vec::with_capacity(methods.len());
|
||||
for method_name in methods.iter().rev() {
|
||||
// method chains are stored last -> first
|
||||
if let ExprMethodCall(ref name, _, ref args) = current.node {
|
||||
if name.node == *method_name {
|
||||
if let ExprMethodCall(ref path, _, ref args) = current.node {
|
||||
if path.name == *method_name {
|
||||
if args.iter().any(|e| in_macro(e.span)) {
|
||||
return None;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue