X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=clippy_lints%2Fsrc%2Ftry_err.rs;h=8c3e755ef1735025a6c88c4fa26f0eeb70ded55b;hb=6d1225981177587fbb68d9c4902c770c3dbaafb0;hp=7eba331ae0f326bdaef8bba3291200f957c5e0e2;hpb=90a7b6041319085634666d1ca1a28d79bd7ba6cd;p=rust.git diff --git a/clippy_lints/src/try_err.rs b/clippy_lints/src/try_err.rs index 7eba331ae0f..8c3e755ef17 100644 --- a/clippy_lints/src/try_err.rs +++ b/clippy_lints/src/try_err.rs @@ -1,10 +1,11 @@ -use crate::utils::{in_macro_or_desugar, match_qpath, paths, snippet, snippet_with_macro_callsite, span_lint_and_sugg}; +use crate::utils::{match_qpath, paths, snippet, snippet_with_macro_callsite, span_lint_and_sugg}; use if_chain::if_chain; +use rustc::declare_lint_pass; use rustc::hir::*; -use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; +use rustc::lint::{in_external_macro, LateContext, LateLintPass, LintArray, LintPass}; use rustc::ty::Ty; -use rustc::{declare_lint_pass, declare_tool_lint}; use rustc_errors::Applicability; +use rustc_session::declare_tool_lint; declare_clippy_lint! { /// **What it does:** Checks for usages of `Err(x)?`. @@ -54,20 +55,21 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { // val, // }; if_chain! { - if let ExprKind::Match(ref match_arg, _, MatchSource::TryDesugar) = expr.node; - if let ExprKind::Call(ref match_fun, ref try_args) = match_arg.node; - if let ExprKind::Path(ref match_fun_path) = match_fun.node; + if !in_external_macro(cx.tcx.sess, expr.span); + if let ExprKind::Match(ref match_arg, _, MatchSource::TryDesugar) = expr.kind; + if let ExprKind::Call(ref match_fun, ref try_args) = match_arg.kind; + if let ExprKind::Path(ref match_fun_path) = match_fun.kind; if match_qpath(match_fun_path, &paths::TRY_INTO_RESULT); if let Some(ref try_arg) = try_args.get(0); - if let ExprKind::Call(ref err_fun, ref err_args) = try_arg.node; + if let ExprKind::Call(ref err_fun, ref err_args) = try_arg.kind; if let Some(ref err_arg) = err_args.get(0); - if let ExprKind::Path(ref err_fun_path) = err_fun.node; + if let ExprKind::Path(ref err_fun_path) = err_fun.kind; if match_qpath(err_fun_path, &paths::RESULT_ERR); - if let Some(return_type) = find_err_return_type(cx, &expr.node); + if let Some(return_type) = find_err_return_type(cx, &expr.kind); then { let err_type = cx.tables.expr_ty(err_arg); - let origin_snippet = if in_macro_or_desugar(err_arg.span) { + let origin_snippet = if err_arg.span.from_expansion() { snippet_with_macro_callsite(cx, err_arg.span, "_") } else { snippet(cx, err_arg.span, "_") @@ -106,9 +108,9 @@ fn find_err_return_type<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'tcx ExprKi // Check for From::from in one of the match arms. fn find_err_return_type_arm<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, arm: &'tcx Arm) -> Option> { if_chain! { - if let ExprKind::Ret(Some(ref err_ret)) = arm.body.node; - if let ExprKind::Call(ref from_error_path, ref from_error_args) = err_ret.node; - if let ExprKind::Path(ref from_error_fn) = from_error_path.node; + if let ExprKind::Ret(Some(ref err_ret)) = arm.body.kind; + if let ExprKind::Call(ref from_error_path, ref from_error_args) = err_ret.kind; + if let ExprKind::Path(ref from_error_fn) = from_error_path.kind; if match_qpath(from_error_fn, &paths::TRY_FROM_ERROR); if let Some(from_error_arg) = from_error_args.get(0); then {