mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 21:23:56 +00:00
Replace if_chain with let chains in clippy::author
output
This commit is contained in:
parent
e687bedac6
commit
9e70a0ff12
10 changed files with 387 additions and 420 deletions
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@ -12,6 +12,7 @@ use rustc_hir::{
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use rustc_lint::{LateContext, LateLintPass, LintContext};
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use rustc_session::{declare_lint_pass, declare_tool_lint};
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use rustc_span::symbol::{Ident, Symbol};
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use std::cell::Cell;
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use std::fmt::{Display, Formatter, Write as _};
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declare_clippy_lint! {
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@ -37,15 +38,13 @@ declare_clippy_lint! {
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///
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/// ```rust,ignore
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/// // ./tests/ui/new_lint.stdout
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/// if_chain! {
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/// if let ExprKind::If(ref cond, ref then, None) = item.kind,
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/// if let ExprKind::Binary(BinOp::Eq, ref left, ref right) = cond.kind,
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/// if let ExprKind::Path(ref path) = left.kind,
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/// if let ExprKind::Lit(ref lit) = right.kind,
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/// if let LitKind::Int(42, _) = lit.node,
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/// then {
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/// // report your lint here
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/// }
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/// if ExprKind::If(ref cond, ref then, None) = item.kind
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/// && let ExprKind::Binary(BinOp::Eq, ref left, ref right) = cond.kind
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/// && let ExprKind::Path(ref path) = left.kind
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/// && let ExprKind::Lit(ref lit) = right.kind
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/// && let LitKind::Int(42, _) = lit.node
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/// {
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/// // report your lint here
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/// }
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/// ```
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pub LINT_AUTHOR,
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@ -91,15 +90,16 @@ macro_rules! field {
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};
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}
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fn prelude() {
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println!("if_chain! {{");
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}
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fn done() {
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println!(" then {{");
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println!(" // report your lint here");
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println!(" }}");
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println!("}}");
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/// Print a condition of a let chain, `chain!(self, "let Some(x) = y")` will print
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/// `if let Some(x) = y` on the first call and ` && let Some(x) = y` thereafter
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macro_rules! chain {
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($self:ident, $($t:tt)*) => {
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if $self.first.take() {
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println!("if {}", format_args!($($t)*));
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} else {
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println!(" && {}", format_args!($($t)*));
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}
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}
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}
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impl<'tcx> LateLintPass<'tcx> for Author {
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@ -149,9 +149,10 @@ fn check_item(cx: &LateContext<'_>, hir_id: HirId) {
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fn check_node(cx: &LateContext<'_>, hir_id: HirId, f: impl Fn(&PrintVisitor<'_, '_>)) {
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if has_attr(cx, hir_id) {
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prelude();
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f(&PrintVisitor::new(cx));
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done();
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println!("{{");
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println!(" // report your lint here");
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println!("}}");
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}
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}
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@ -195,7 +196,9 @@ struct PrintVisitor<'a, 'tcx> {
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cx: &'a LateContext<'tcx>,
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/// Fields are the current index that needs to be appended to pattern
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/// binding names
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ids: std::cell::Cell<FxHashMap<&'static str, u32>>,
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ids: Cell<FxHashMap<&'static str, u32>>,
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/// Currently at the first condition in the if chain
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first: Cell<bool>,
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}
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#[allow(clippy::unused_self)]
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@ -203,7 +206,8 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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fn new(cx: &'a LateContext<'tcx>) -> Self {
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Self {
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cx,
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ids: std::cell::Cell::default(),
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ids: Cell::default(),
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first: Cell::new(true),
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}
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}
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@ -226,10 +230,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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fn option<T: Copy>(&self, option: &Binding<Option<T>>, name: &'static str, f: impl Fn(&Binding<T>)) {
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match option.value {
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None => out!("if {option}.is_none();"),
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None => chain!(self, "{option}.is_none()"),
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Some(value) => {
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let value = &self.bind(name, value);
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out!("if let Some({value}) = {option};");
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chain!(self, "let Some({value}) = {option}");
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f(value);
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},
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}
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@ -237,9 +241,9 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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fn slice<T>(&self, slice: &Binding<&[T]>, f: impl Fn(&Binding<&T>)) {
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if slice.value.is_empty() {
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out!("if {slice}.is_empty();");
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chain!(self, "{slice}.is_empty()");
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} else {
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out!("if {slice}.len() == {};", slice.value.len());
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chain!(self, "{slice}.len() == {}", slice.value.len());
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for (i, value) in slice.value.iter().enumerate() {
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let name = format!("{slice}[{i}]");
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f(&Binding { name, value });
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@ -254,23 +258,23 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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}
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fn ident(&self, ident: &Binding<Ident>) {
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out!("if {ident}.as_str() == {:?};", ident.value.as_str());
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chain!(self, "{ident}.as_str() == {:?}", ident.value.as_str());
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}
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fn symbol(&self, symbol: &Binding<Symbol>) {
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out!("if {symbol}.as_str() == {:?};", symbol.value.as_str());
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chain!(self, "{symbol}.as_str() == {:?}", symbol.value.as_str());
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}
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fn qpath(&self, qpath: &Binding<&QPath<'_>>) {
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if let QPath::LangItem(lang_item, ..) = *qpath.value {
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out!("if matches!({qpath}, QPath::LangItem(LangItem::{lang_item:?}, _));");
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chain!(self, "matches!({qpath}, QPath::LangItem(LangItem::{lang_item:?}, _))");
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} else {
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out!("if match_qpath({qpath}, &[{}]);", path_to_string(qpath.value));
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chain!(self, "match_qpath({qpath}, &[{}])", path_to_string(qpath.value));
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}
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}
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fn lit(&self, lit: &Binding<&Lit>) {
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let kind = |kind| out!("if let LitKind::{kind} = {lit}.node;");
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let kind = |kind| chain!(self, "let LitKind::{kind} = {lit}.node");
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macro_rules! kind {
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($($t:tt)*) => (kind(format_args!($($t)*)));
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}
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@ -298,7 +302,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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LitKind::ByteStr(ref vec) => {
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bind!(self, vec);
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kind!("ByteStr(ref {vec})");
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out!("if let [{:?}] = **{vec};", vec.value);
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chain!(self, "let [{:?}] = **{vec}", vec.value);
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},
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LitKind::Str(s, _) => {
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bind!(self, s);
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@ -311,15 +315,15 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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fn arm(&self, arm: &Binding<&hir::Arm<'_>>) {
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self.pat(field!(arm.pat));
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match arm.value.guard {
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None => out!("if {arm}.guard.is_none();"),
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None => chain!(self, "{arm}.guard.is_none()"),
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Some(hir::Guard::If(expr)) => {
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bind!(self, expr);
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out!("if let Some(Guard::If({expr})) = {arm}.guard;");
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chain!(self, "let Some(Guard::If({expr})) = {arm}.guard");
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self.expr(expr);
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},
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Some(hir::Guard::IfLet(let_expr)) => {
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bind!(self, let_expr);
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out!("if let Some(Guard::IfLet({let_expr}) = {arm}.guard;");
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chain!(self, "let Some(Guard::IfLet({let_expr}) = {arm}.guard");
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self.pat(field!(let_expr.pat));
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self.expr(field!(let_expr.init));
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},
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@ -331,9 +335,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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fn expr(&self, expr: &Binding<&hir::Expr<'_>>) {
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if let Some(higher::While { condition, body }) = higher::While::hir(expr.value) {
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bind!(self, condition, body);
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out!(
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"if let Some(higher::While {{ condition: {condition}, body: {body} }}) \
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= higher::While::hir({expr});"
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chain!(
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self,
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"let Some(higher::While {{ condition: {condition}, body: {body} }}) \
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= higher::While::hir({expr})"
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);
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self.expr(condition);
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self.expr(body);
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@ -347,9 +352,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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}) = higher::WhileLet::hir(expr.value)
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{
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bind!(self, let_pat, let_expr, if_then);
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out!(
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"if let Some(higher::WhileLet {{ let_pat: {let_pat}, let_expr: {let_expr}, if_then: {if_then} }}) \
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= higher::WhileLet::hir({expr});"
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chain!(
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self,
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"let Some(higher::WhileLet {{ let_pat: {let_pat}, let_expr: {let_expr}, if_then: {if_then} }}) \
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= higher::WhileLet::hir({expr})"
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);
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self.pat(let_pat);
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self.expr(let_expr);
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@ -359,9 +365,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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if let Some(higher::ForLoop { pat, arg, body, .. }) = higher::ForLoop::hir(expr.value) {
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bind!(self, pat, arg, body);
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out!(
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"if let Some(higher::ForLoop {{ pat: {pat}, arg: {arg}, body: {body}, .. }}) \
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= higher::ForLoop::hir({expr});"
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chain!(
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self,
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"let Some(higher::ForLoop {{ pat: {pat}, arg: {arg}, body: {body}, .. }}) \
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= higher::ForLoop::hir({expr})"
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);
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self.pat(pat);
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self.expr(arg);
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@ -369,7 +376,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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return;
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}
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let kind = |kind| out!("if let ExprKind::{kind} = {expr}.kind;");
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let kind = |kind| chain!(self, "let ExprKind::{kind} = {expr}.kind");
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macro_rules! kind {
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($($t:tt)*) => (kind(format_args!($($t)*)));
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}
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@ -383,7 +390,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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// if it's a path
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if let Some(TyKind::Path(ref qpath)) = let_expr.value.ty.as_ref().map(|ty| &ty.kind) {
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bind!(self, qpath);
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out!("if let TyKind::Path(ref {qpath}) = {let_expr}.ty.kind;");
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chain!(self, "let TyKind::Path(ref {qpath}) = {let_expr}.ty.kind");
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self.qpath(qpath);
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}
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self.expr(field!(let_expr.init));
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@ -419,7 +426,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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ExprKind::Binary(op, left, right) => {
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bind!(self, op, left, right);
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kind!("Binary({op}, {left}, {right})");
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out!("if BinOpKind::{:?} == {op}.node;", op.value.node);
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chain!(self, "BinOpKind::{:?} == {op}.node", op.value.node);
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self.expr(left);
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self.expr(right);
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},
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@ -438,7 +445,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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kind!("Cast({expr}, {cast_ty})");
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if let TyKind::Path(ref qpath) = cast_ty.value.kind {
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bind!(self, qpath);
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out!("if let TyKind::Path(ref {qpath}) = {cast_ty}.kind;");
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chain!(self, "let TyKind::Path(ref {qpath}) = {cast_ty}.kind");
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self.qpath(qpath);
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}
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self.expr(expr);
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@ -485,7 +492,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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bind!(self, fn_decl, body_id);
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kind!("Closure(CaptureBy::{capture_clause:?}, {fn_decl}, {body_id}, _, {movability})");
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out!("if let {ret_ty} = {fn_decl}.output;");
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chain!(self, "let {ret_ty} = {fn_decl}.output");
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self.body(body_id);
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},
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ExprKind::Yield(sub, source) => {
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@ -509,7 +516,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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ExprKind::AssignOp(op, target, value) => {
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bind!(self, op, target, value);
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kind!("AssignOp({op}, {target}, {value})");
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out!("if BinOpKind::{:?} == {op}.node;", op.value.node);
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chain!(self, "BinOpKind::{:?} == {op}.node", op.value.node);
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self.expr(target);
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self.expr(value);
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},
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@ -573,10 +580,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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kind!("Repeat({value}, {length})");
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self.expr(value);
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match length.value {
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ArrayLen::Infer(..) => out!("if let ArrayLen::Infer(..) = length;"),
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ArrayLen::Infer(..) => chain!(self, "let ArrayLen::Infer(..) = length"),
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ArrayLen::Body(anon_const) => {
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bind!(self, anon_const);
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out!("if let ArrayLen::Body({anon_const}) = {length};");
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chain!(self, "let ArrayLen::Body({anon_const}) = {length}");
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self.body(field!(anon_const.body));
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},
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}
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@ -600,12 +607,12 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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fn body(&self, body_id: &Binding<hir::BodyId>) {
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let expr = self.cx.tcx.hir().body(body_id.value).value;
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bind!(self, expr);
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out!("let {expr} = &cx.tcx.hir().body({body_id}).value;");
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chain!(self, "{expr} = &cx.tcx.hir().body({body_id}).value");
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self.expr(expr);
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}
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fn pat(&self, pat: &Binding<&hir::Pat<'_>>) {
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let kind = |kind| out!("if let PatKind::{kind} = {pat}.kind;");
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let kind = |kind| chain!(self, "let PatKind::{kind} = {pat}.kind");
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macro_rules! kind {
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($($t:tt)*) => (kind(format_args!($($t)*)));
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}
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@ -688,7 +695,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
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}
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fn stmt(&self, stmt: &Binding<&hir::Stmt<'_>>) {
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let kind = |kind| out!("if let StmtKind::{kind} = {stmt}.kind;");
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let kind = |kind| chain!(self, "let StmtKind::{kind} = {stmt}.kind");
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macro_rules! kind {
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($($t:tt)*) => (kind(format_args!($($t)*)));
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}
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@ -1,14 +1,12 @@
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if_chain! {
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if let StmtKind::Local(local) = stmt.kind;
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if let Some(init) = local.init;
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if let ExprKind::Cast(expr, cast_ty) = init.kind;
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if let TyKind::Path(ref qpath) = cast_ty.kind;
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if match_qpath(qpath, &["char"]);
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if let ExprKind::Lit(ref lit) = expr.kind;
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if let LitKind::Int(69, LitIntType::Unsuffixed) = lit.node;
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if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind;
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if name.as_str() == "x";
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then {
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// report your lint here
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}
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if let StmtKind::Local(local) = stmt.kind
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&& let Some(init) = local.init
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&& let ExprKind::Cast(expr, cast_ty) = init.kind
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&& let TyKind::Path(ref qpath) = cast_ty.kind
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&& match_qpath(qpath, &["char"])
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&& let ExprKind::Lit(ref lit) = expr.kind
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&& let LitKind::Int(69, LitIntType::Unsuffixed) = lit.node
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&& let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind
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&& name.as_str() == "x"
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{
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// report your lint here
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}
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@ -1,64 +1,58 @@
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if_chain! {
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if let ExprKind::Block(block, None) = expr.kind;
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if block.stmts.len() == 3;
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if let StmtKind::Local(local) = block.stmts[0].kind;
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if let Some(init) = local.init;
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if let ExprKind::Lit(ref lit) = init.kind;
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if let LitKind::Int(42, LitIntType::Signed(IntTy::I32)) = lit.node;
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if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind;
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if name.as_str() == "x";
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if let StmtKind::Local(local1) = block.stmts[1].kind;
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if let Some(init1) = local1.init;
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if let ExprKind::Lit(ref lit1) = init1.kind;
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if let LitKind::Float(_, LitFloatType::Suffixed(FloatTy::F32)) = lit1.node;
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if let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local1.pat.kind;
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if name1.as_str() == "_t";
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if let StmtKind::Semi(e) = block.stmts[2].kind;
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if let ExprKind::Unary(UnOp::Neg, inner) = e.kind;
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if let ExprKind::Path(ref qpath) = inner.kind;
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if match_qpath(qpath, &["x"]);
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if block.expr.is_none();
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then {
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// report your lint here
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}
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if let ExprKind::Block(block, None) = expr.kind
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&& block.stmts.len() == 3
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&& let StmtKind::Local(local) = block.stmts[0].kind
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&& let Some(init) = local.init
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&& let ExprKind::Lit(ref lit) = init.kind
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&& let LitKind::Int(42, LitIntType::Signed(IntTy::I32)) = lit.node
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&& let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind
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&& name.as_str() == "x"
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&& let StmtKind::Local(local1) = block.stmts[1].kind
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&& let Some(init1) = local1.init
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&& let ExprKind::Lit(ref lit1) = init1.kind
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&& let LitKind::Float(_, LitFloatType::Suffixed(FloatTy::F32)) = lit1.node
|
||||
&& let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local1.pat.kind
|
||||
&& name1.as_str() == "_t"
|
||||
&& let StmtKind::Semi(e) = block.stmts[2].kind
|
||||
&& let ExprKind::Unary(UnOp::Neg, inner) = e.kind
|
||||
&& let ExprKind::Path(ref qpath) = inner.kind
|
||||
&& match_qpath(qpath, &["x"])
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let ExprKind::Block(block, None) = expr.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Local(local) = block.stmts[0].kind;
|
||||
if let Some(init) = local.init;
|
||||
if let ExprKind::Call(func, args) = init.kind;
|
||||
if let ExprKind::Path(ref qpath) = func.kind;
|
||||
if match_qpath(qpath, &["String", "new"]);
|
||||
if args.is_empty();
|
||||
if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind;
|
||||
if name.as_str() == "expr";
|
||||
if let Some(trailing_expr) = block.expr;
|
||||
if let ExprKind::Call(func1, args1) = trailing_expr.kind;
|
||||
if let ExprKind::Path(ref qpath1) = func1.kind;
|
||||
if match_qpath(qpath1, &["drop"]);
|
||||
if args1.len() == 1;
|
||||
if let ExprKind::Path(ref qpath2) = args1[0].kind;
|
||||
if match_qpath(qpath2, &["expr"]);
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let ExprKind::Block(block, None) = expr.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Local(local) = block.stmts[0].kind
|
||||
&& let Some(init) = local.init
|
||||
&& let ExprKind::Call(func, args) = init.kind
|
||||
&& let ExprKind::Path(ref qpath) = func.kind
|
||||
&& match_qpath(qpath, &["String", "new"])
|
||||
&& args.is_empty()
|
||||
&& let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind
|
||||
&& name.as_str() == "expr"
|
||||
&& let Some(trailing_expr) = block.expr
|
||||
&& let ExprKind::Call(func1, args1) = trailing_expr.kind
|
||||
&& let ExprKind::Path(ref qpath1) = func1.kind
|
||||
&& match_qpath(qpath1, &["drop"])
|
||||
&& args1.len() == 1
|
||||
&& let ExprKind::Path(ref qpath2) = args1[0].kind
|
||||
&& match_qpath(qpath2, &["expr"])
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let ExprKind::Closure(CaptureBy::Value, fn_decl, body_id, _, None) = expr.kind;
|
||||
if let FnRetTy::DefaultReturn(_) = fn_decl.output;
|
||||
let expr1 = &cx.tcx.hir().body(body_id).value;
|
||||
if let ExprKind::Call(func, args) = expr1.kind;
|
||||
if let ExprKind::Path(ref qpath) = func.kind;
|
||||
if matches!(qpath, QPath::LangItem(LangItem::FromGenerator, _));
|
||||
if args.len() == 1;
|
||||
if let ExprKind::Closure(CaptureBy::Value, fn_decl1, body_id1, _, Some(Movability::Static)) = args[0].kind;
|
||||
if let FnRetTy::DefaultReturn(_) = fn_decl1.output;
|
||||
let expr2 = &cx.tcx.hir().body(body_id1).value;
|
||||
if let ExprKind::Block(block, None) = expr2.kind;
|
||||
if block.stmts.is_empty();
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let ExprKind::Closure(CaptureBy::Value, fn_decl, body_id, _, None) = expr.kind
|
||||
&& let FnRetTy::DefaultReturn(_) = fn_decl.output
|
||||
&& expr1 = &cx.tcx.hir().body(body_id).value
|
||||
&& let ExprKind::Call(func, args) = expr1.kind
|
||||
&& let ExprKind::Path(ref qpath) = func.kind
|
||||
&& matches!(qpath, QPath::LangItem(LangItem::FromGenerator, _))
|
||||
&& args.len() == 1
|
||||
&& let ExprKind::Closure(CaptureBy::Value, fn_decl1, body_id1, _, Some(Movability::Static)) = args[0].kind
|
||||
&& let FnRetTy::DefaultReturn(_) = fn_decl1.output
|
||||
&& expr2 = &cx.tcx.hir().body(body_id1).value
|
||||
&& let ExprKind::Block(block, None) = expr2.kind
|
||||
&& block.stmts.is_empty()
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
|
@ -1,16 +1,14 @@
|
|||
if_chain! {
|
||||
if let StmtKind::Local(local) = stmt.kind;
|
||||
if let Some(init) = local.init;
|
||||
if let ExprKind::Call(func, args) = init.kind;
|
||||
if let ExprKind::Path(ref qpath) = func.kind;
|
||||
if match_qpath(qpath, &["{{root}}", "std", "cmp", "min"]);
|
||||
if args.len() == 2;
|
||||
if let ExprKind::Lit(ref lit) = args[0].kind;
|
||||
if let LitKind::Int(3, LitIntType::Unsuffixed) = lit.node;
|
||||
if let ExprKind::Lit(ref lit1) = args[1].kind;
|
||||
if let LitKind::Int(4, LitIntType::Unsuffixed) = lit1.node;
|
||||
if let PatKind::Wild = local.pat.kind;
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let StmtKind::Local(local) = stmt.kind
|
||||
&& let Some(init) = local.init
|
||||
&& let ExprKind::Call(func, args) = init.kind
|
||||
&& let ExprKind::Path(ref qpath) = func.kind
|
||||
&& match_qpath(qpath, &["{{root}}", "std", "cmp", "min"])
|
||||
&& args.len() == 2
|
||||
&& let ExprKind::Lit(ref lit) = args[0].kind
|
||||
&& let LitKind::Int(3, LitIntType::Unsuffixed) = lit.node
|
||||
&& let ExprKind::Lit(ref lit1) = args[1].kind
|
||||
&& let LitKind::Int(4, LitIntType::Unsuffixed) = lit1.node
|
||||
&& let PatKind::Wild = local.pat.kind
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
|
@ -1,50 +1,46 @@
|
|||
if_chain! {
|
||||
if let StmtKind::Local(local) = stmt.kind;
|
||||
if let Some(init) = local.init;
|
||||
if let ExprKind::If(cond, then, Some(else_expr)) = init.kind;
|
||||
if let ExprKind::DropTemps(expr) = cond.kind;
|
||||
if let ExprKind::Lit(ref lit) = expr.kind;
|
||||
if let LitKind::Bool(true) = lit.node;
|
||||
if let ExprKind::Block(block, None) = then.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Semi(e) = block.stmts[0].kind;
|
||||
if let ExprKind::Binary(op, left, right) = e.kind;
|
||||
if BinOpKind::Eq == op.node;
|
||||
if let ExprKind::Lit(ref lit1) = left.kind;
|
||||
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node;
|
||||
if let ExprKind::Lit(ref lit2) = right.kind;
|
||||
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit2.node;
|
||||
if block.expr.is_none();
|
||||
if let ExprKind::Block(block1, None) = else_expr.kind;
|
||||
if block1.stmts.len() == 1;
|
||||
if let StmtKind::Semi(e1) = block1.stmts[0].kind;
|
||||
if let ExprKind::Binary(op1, left1, right1) = e1.kind;
|
||||
if BinOpKind::Eq == op1.node;
|
||||
if let ExprKind::Lit(ref lit3) = left1.kind;
|
||||
if let LitKind::Int(2, LitIntType::Unsuffixed) = lit3.node;
|
||||
if let ExprKind::Lit(ref lit4) = right1.kind;
|
||||
if let LitKind::Int(2, LitIntType::Unsuffixed) = lit4.node;
|
||||
if block1.expr.is_none();
|
||||
if let PatKind::Wild = local.pat.kind;
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let StmtKind::Local(local) = stmt.kind
|
||||
&& let Some(init) = local.init
|
||||
&& let ExprKind::If(cond, then, Some(else_expr)) = init.kind
|
||||
&& let ExprKind::DropTemps(expr) = cond.kind
|
||||
&& let ExprKind::Lit(ref lit) = expr.kind
|
||||
&& let LitKind::Bool(true) = lit.node
|
||||
&& let ExprKind::Block(block, None) = then.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Semi(e) = block.stmts[0].kind
|
||||
&& let ExprKind::Binary(op, left, right) = e.kind
|
||||
&& BinOpKind::Eq == op.node
|
||||
&& let ExprKind::Lit(ref lit1) = left.kind
|
||||
&& let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node
|
||||
&& let ExprKind::Lit(ref lit2) = right.kind
|
||||
&& let LitKind::Int(1, LitIntType::Unsuffixed) = lit2.node
|
||||
&& block.expr.is_none()
|
||||
&& let ExprKind::Block(block1, None) = else_expr.kind
|
||||
&& block1.stmts.len() == 1
|
||||
&& let StmtKind::Semi(e1) = block1.stmts[0].kind
|
||||
&& let ExprKind::Binary(op1, left1, right1) = e1.kind
|
||||
&& BinOpKind::Eq == op1.node
|
||||
&& let ExprKind::Lit(ref lit3) = left1.kind
|
||||
&& let LitKind::Int(2, LitIntType::Unsuffixed) = lit3.node
|
||||
&& let ExprKind::Lit(ref lit4) = right1.kind
|
||||
&& let LitKind::Int(2, LitIntType::Unsuffixed) = lit4.node
|
||||
&& block1.expr.is_none()
|
||||
&& let PatKind::Wild = local.pat.kind
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let ExprKind::If(cond, then, Some(else_expr)) = expr.kind;
|
||||
if let ExprKind::Let(let_expr) = cond.kind;
|
||||
if let PatKind::Lit(lit_expr) = let_expr.pat.kind;
|
||||
if let ExprKind::Lit(ref lit) = lit_expr.kind;
|
||||
if let LitKind::Bool(true) = lit.node;
|
||||
if let ExprKind::Path(ref qpath) = let_expr.init.kind;
|
||||
if match_qpath(qpath, &["a"]);
|
||||
if let ExprKind::Block(block, None) = then.kind;
|
||||
if block.stmts.is_empty();
|
||||
if block.expr.is_none();
|
||||
if let ExprKind::Block(block1, None) = else_expr.kind;
|
||||
if block1.stmts.is_empty();
|
||||
if block1.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let ExprKind::If(cond, then, Some(else_expr)) = expr.kind
|
||||
&& let ExprKind::Let(let_expr) = cond.kind
|
||||
&& let PatKind::Lit(lit_expr) = let_expr.pat.kind
|
||||
&& let ExprKind::Lit(ref lit) = lit_expr.kind
|
||||
&& let LitKind::Bool(true) = lit.node
|
||||
&& let ExprKind::Path(ref qpath) = let_expr.init.kind
|
||||
&& match_qpath(qpath, &["a"])
|
||||
&& let ExprKind::Block(block, None) = then.kind
|
||||
&& block.stmts.is_empty()
|
||||
&& block.expr.is_none()
|
||||
&& let ExprKind::Block(block1, None) = else_expr.kind
|
||||
&& block1.stmts.is_empty()
|
||||
&& block1.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
|
@ -1,14 +1,12 @@
|
|||
if_chain! {
|
||||
if let StmtKind::Local(local) = stmt.kind;
|
||||
if let Some(init) = local.init;
|
||||
if let ExprKind::Call(func, args) = init.kind;
|
||||
if let ExprKind::Path(ref qpath) = func.kind;
|
||||
if match_qpath(qpath, &["std", "mem", "transmute"]);
|
||||
if args.len() == 1;
|
||||
if let ExprKind::Path(ref qpath1) = args[0].kind;
|
||||
if match_qpath(qpath1, &["ZPTR"]);
|
||||
if let PatKind::Wild = local.pat.kind;
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let StmtKind::Local(local) = stmt.kind
|
||||
&& let Some(init) = local.init
|
||||
&& let ExprKind::Call(func, args) = init.kind
|
||||
&& let ExprKind::Path(ref qpath) = func.kind
|
||||
&& match_qpath(qpath, &["std", "mem", "transmute"])
|
||||
&& args.len() == 1
|
||||
&& let ExprKind::Path(ref qpath1) = args[0].kind
|
||||
&& match_qpath(qpath1, &["ZPTR"])
|
||||
&& let PatKind::Wild = local.pat.kind
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
|
@ -1,113 +1,101 @@
|
|||
if_chain! {
|
||||
if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr);
|
||||
if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = pat.kind;
|
||||
if name.as_str() == "y";
|
||||
if let ExprKind::Struct(qpath, fields, None) = arg.kind;
|
||||
if matches!(qpath, QPath::LangItem(LangItem::Range, _));
|
||||
if fields.len() == 2;
|
||||
if fields[0].ident.as_str() == "start";
|
||||
if let ExprKind::Lit(ref lit) = fields[0].expr.kind;
|
||||
if let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node;
|
||||
if fields[1].ident.as_str() == "end";
|
||||
if let ExprKind::Lit(ref lit1) = fields[1].expr.kind;
|
||||
if let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node;
|
||||
if let ExprKind::Block(block, None) = body.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Local(local) = block.stmts[0].kind;
|
||||
if let Some(init) = local.init;
|
||||
if let ExprKind::Path(ref qpath1) = init.kind;
|
||||
if match_qpath(qpath1, &["y"]);
|
||||
if let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind;
|
||||
if name1.as_str() == "z";
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr)
|
||||
&& let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = pat.kind
|
||||
&& name.as_str() == "y"
|
||||
&& let ExprKind::Struct(qpath, fields, None) = arg.kind
|
||||
&& matches!(qpath, QPath::LangItem(LangItem::Range, _))
|
||||
&& fields.len() == 2
|
||||
&& fields[0].ident.as_str() == "start"
|
||||
&& let ExprKind::Lit(ref lit) = fields[0].expr.kind
|
||||
&& let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node
|
||||
&& fields[1].ident.as_str() == "end"
|
||||
&& let ExprKind::Lit(ref lit1) = fields[1].expr.kind
|
||||
&& let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node
|
||||
&& let ExprKind::Block(block, None) = body.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Local(local) = block.stmts[0].kind
|
||||
&& let Some(init) = local.init
|
||||
&& let ExprKind::Path(ref qpath1) = init.kind
|
||||
&& match_qpath(qpath1, &["y"])
|
||||
&& let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind
|
||||
&& name1.as_str() == "z"
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr);
|
||||
if let PatKind::Wild = pat.kind;
|
||||
if let ExprKind::Struct(qpath, fields, None) = arg.kind;
|
||||
if matches!(qpath, QPath::LangItem(LangItem::Range, _));
|
||||
if fields.len() == 2;
|
||||
if fields[0].ident.as_str() == "start";
|
||||
if let ExprKind::Lit(ref lit) = fields[0].expr.kind;
|
||||
if let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node;
|
||||
if fields[1].ident.as_str() == "end";
|
||||
if let ExprKind::Lit(ref lit1) = fields[1].expr.kind;
|
||||
if let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node;
|
||||
if let ExprKind::Block(block, None) = body.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Semi(e) = block.stmts[0].kind;
|
||||
if let ExprKind::Break(destination, None) = e.kind;
|
||||
if destination.label.is_none();
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr)
|
||||
&& let PatKind::Wild = pat.kind
|
||||
&& let ExprKind::Struct(qpath, fields, None) = arg.kind
|
||||
&& matches!(qpath, QPath::LangItem(LangItem::Range, _))
|
||||
&& fields.len() == 2
|
||||
&& fields[0].ident.as_str() == "start"
|
||||
&& let ExprKind::Lit(ref lit) = fields[0].expr.kind
|
||||
&& let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node
|
||||
&& fields[1].ident.as_str() == "end"
|
||||
&& let ExprKind::Lit(ref lit1) = fields[1].expr.kind
|
||||
&& let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node
|
||||
&& let ExprKind::Block(block, None) = body.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Semi(e) = block.stmts[0].kind
|
||||
&& let ExprKind::Break(destination, None) = e.kind
|
||||
&& destination.label.is_none()
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr);
|
||||
if let PatKind::Wild = pat.kind;
|
||||
if let ExprKind::Struct(qpath, fields, None) = arg.kind;
|
||||
if matches!(qpath, QPath::LangItem(LangItem::Range, _));
|
||||
if fields.len() == 2;
|
||||
if fields[0].ident.as_str() == "start";
|
||||
if let ExprKind::Lit(ref lit) = fields[0].expr.kind;
|
||||
if let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node;
|
||||
if fields[1].ident.as_str() == "end";
|
||||
if let ExprKind::Lit(ref lit1) = fields[1].expr.kind;
|
||||
if let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node;
|
||||
if let ExprKind::Block(block, None) = body.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Semi(e) = block.stmts[0].kind;
|
||||
if let ExprKind::Break(destination, None) = e.kind;
|
||||
if let Some(label) = destination.label;
|
||||
if label.ident.as_str() == "'label";
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr)
|
||||
&& let PatKind::Wild = pat.kind
|
||||
&& let ExprKind::Struct(qpath, fields, None) = arg.kind
|
||||
&& matches!(qpath, QPath::LangItem(LangItem::Range, _))
|
||||
&& fields.len() == 2
|
||||
&& fields[0].ident.as_str() == "start"
|
||||
&& let ExprKind::Lit(ref lit) = fields[0].expr.kind
|
||||
&& let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node
|
||||
&& fields[1].ident.as_str() == "end"
|
||||
&& let ExprKind::Lit(ref lit1) = fields[1].expr.kind
|
||||
&& let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node
|
||||
&& let ExprKind::Block(block, None) = body.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Semi(e) = block.stmts[0].kind
|
||||
&& let ExprKind::Break(destination, None) = e.kind
|
||||
&& let Some(label) = destination.label
|
||||
&& label.ident.as_str() == "'label"
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let Some(higher::While { condition: condition, body: body }) = higher::While::hir(expr);
|
||||
if let ExprKind::Path(ref qpath) = condition.kind;
|
||||
if match_qpath(qpath, &["a"]);
|
||||
if let ExprKind::Block(block, None) = body.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Semi(e) = block.stmts[0].kind;
|
||||
if let ExprKind::Break(destination, None) = e.kind;
|
||||
if destination.label.is_none();
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let Some(higher::While { condition: condition, body: body }) = higher::While::hir(expr)
|
||||
&& let ExprKind::Path(ref qpath) = condition.kind
|
||||
&& match_qpath(qpath, &["a"])
|
||||
&& let ExprKind::Block(block, None) = body.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Semi(e) = block.stmts[0].kind
|
||||
&& let ExprKind::Break(destination, None) = e.kind
|
||||
&& destination.label.is_none()
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let Some(higher::WhileLet { let_pat: let_pat, let_expr: let_expr, if_then: if_then }) = higher::WhileLet::hir(expr);
|
||||
if let PatKind::Lit(lit_expr) = let_pat.kind;
|
||||
if let ExprKind::Lit(ref lit) = lit_expr.kind;
|
||||
if let LitKind::Bool(true) = lit.node;
|
||||
if let ExprKind::Path(ref qpath) = let_expr.kind;
|
||||
if match_qpath(qpath, &["a"]);
|
||||
if let ExprKind::Block(block, None) = if_then.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Semi(e) = block.stmts[0].kind;
|
||||
if let ExprKind::Break(destination, None) = e.kind;
|
||||
if destination.label.is_none();
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let Some(higher::WhileLet { let_pat: let_pat, let_expr: let_expr, if_then: if_then }) = higher::WhileLet::hir(expr)
|
||||
&& let PatKind::Lit(lit_expr) = let_pat.kind
|
||||
&& let ExprKind::Lit(ref lit) = lit_expr.kind
|
||||
&& let LitKind::Bool(true) = lit.node
|
||||
&& let ExprKind::Path(ref qpath) = let_expr.kind
|
||||
&& match_qpath(qpath, &["a"])
|
||||
&& let ExprKind::Block(block, None) = if_then.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Semi(e) = block.stmts[0].kind
|
||||
&& let ExprKind::Break(destination, None) = e.kind
|
||||
&& destination.label.is_none()
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let ExprKind::Loop(body, None, LoopSource::Loop, _) = expr.kind;
|
||||
if body.stmts.len() == 1;
|
||||
if let StmtKind::Semi(e) = body.stmts[0].kind;
|
||||
if let ExprKind::Break(destination, None) = e.kind;
|
||||
if destination.label.is_none();
|
||||
if body.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let ExprKind::Loop(body, None, LoopSource::Loop, _) = expr.kind
|
||||
&& body.stmts.len() == 1
|
||||
&& let StmtKind::Semi(e) = body.stmts[0].kind
|
||||
&& let ExprKind::Break(destination, None) = e.kind
|
||||
&& destination.label.is_none()
|
||||
&& body.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
|
@ -1,38 +1,36 @@
|
|||
if_chain! {
|
||||
if let StmtKind::Local(local) = stmt.kind;
|
||||
if let Some(init) = local.init;
|
||||
if let ExprKind::Match(scrutinee, arms, MatchSource::Normal) = init.kind;
|
||||
if let ExprKind::Lit(ref lit) = scrutinee.kind;
|
||||
if let LitKind::Int(42, LitIntType::Unsuffixed) = lit.node;
|
||||
if arms.len() == 3;
|
||||
if let PatKind::Lit(lit_expr) = arms[0].pat.kind;
|
||||
if let ExprKind::Lit(ref lit1) = lit_expr.kind;
|
||||
if let LitKind::Int(16, LitIntType::Unsuffixed) = lit1.node;
|
||||
if arms[0].guard.is_none();
|
||||
if let ExprKind::Lit(ref lit2) = arms[0].body.kind;
|
||||
if let LitKind::Int(5, LitIntType::Unsuffixed) = lit2.node;
|
||||
if let PatKind::Lit(lit_expr1) = arms[1].pat.kind;
|
||||
if let ExprKind::Lit(ref lit3) = lit_expr1.kind;
|
||||
if let LitKind::Int(17, LitIntType::Unsuffixed) = lit3.node;
|
||||
if arms[1].guard.is_none();
|
||||
if let ExprKind::Block(block, None) = arms[1].body.kind;
|
||||
if block.stmts.len() == 1;
|
||||
if let StmtKind::Local(local1) = block.stmts[0].kind;
|
||||
if let Some(init1) = local1.init;
|
||||
if let ExprKind::Lit(ref lit4) = init1.kind;
|
||||
if let LitKind::Int(3, LitIntType::Unsuffixed) = lit4.node;
|
||||
if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local1.pat.kind;
|
||||
if name.as_str() == "x";
|
||||
if let Some(trailing_expr) = block.expr;
|
||||
if let ExprKind::Path(ref qpath) = trailing_expr.kind;
|
||||
if match_qpath(qpath, &["x"]);
|
||||
if let PatKind::Wild = arms[2].pat.kind;
|
||||
if arms[2].guard.is_none();
|
||||
if let ExprKind::Lit(ref lit5) = arms[2].body.kind;
|
||||
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit5.node;
|
||||
if let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind;
|
||||
if name1.as_str() == "a";
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let StmtKind::Local(local) = stmt.kind
|
||||
&& let Some(init) = local.init
|
||||
&& let ExprKind::Match(scrutinee, arms, MatchSource::Normal) = init.kind
|
||||
&& let ExprKind::Lit(ref lit) = scrutinee.kind
|
||||
&& let LitKind::Int(42, LitIntType::Unsuffixed) = lit.node
|
||||
&& arms.len() == 3
|
||||
&& let PatKind::Lit(lit_expr) = arms[0].pat.kind
|
||||
&& let ExprKind::Lit(ref lit1) = lit_expr.kind
|
||||
&& let LitKind::Int(16, LitIntType::Unsuffixed) = lit1.node
|
||||
&& arms[0].guard.is_none()
|
||||
&& let ExprKind::Lit(ref lit2) = arms[0].body.kind
|
||||
&& let LitKind::Int(5, LitIntType::Unsuffixed) = lit2.node
|
||||
&& let PatKind::Lit(lit_expr1) = arms[1].pat.kind
|
||||
&& let ExprKind::Lit(ref lit3) = lit_expr1.kind
|
||||
&& let LitKind::Int(17, LitIntType::Unsuffixed) = lit3.node
|
||||
&& arms[1].guard.is_none()
|
||||
&& let ExprKind::Block(block, None) = arms[1].body.kind
|
||||
&& block.stmts.len() == 1
|
||||
&& let StmtKind::Local(local1) = block.stmts[0].kind
|
||||
&& let Some(init1) = local1.init
|
||||
&& let ExprKind::Lit(ref lit4) = init1.kind
|
||||
&& let LitKind::Int(3, LitIntType::Unsuffixed) = lit4.node
|
||||
&& let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local1.pat.kind
|
||||
&& name.as_str() == "x"
|
||||
&& let Some(trailing_expr) = block.expr
|
||||
&& let ExprKind::Path(ref qpath) = trailing_expr.kind
|
||||
&& match_qpath(qpath, &["x"])
|
||||
&& let PatKind::Wild = arms[2].pat.kind
|
||||
&& arms[2].guard.is_none()
|
||||
&& let ExprKind::Lit(ref lit5) = arms[2].body.kind
|
||||
&& let LitKind::Int(1, LitIntType::Unsuffixed) = lit5.node
|
||||
&& let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind
|
||||
&& name1.as_str() == "a"
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
|
@ -1,12 +1,10 @@
|
|||
if_chain! {
|
||||
if let ExprKind::Repeat(value, length) = expr.kind;
|
||||
if let ExprKind::Lit(ref lit) = value.kind;
|
||||
if let LitKind::Int(1, LitIntType::Unsigned(UintTy::U8)) = lit.node;
|
||||
if let ArrayLen::Body(anon_const) = length;
|
||||
let expr1 = &cx.tcx.hir().body(anon_const.body).value;
|
||||
if let ExprKind::Lit(ref lit1) = expr1.kind;
|
||||
if let LitKind::Int(5, LitIntType::Unsuffixed) = lit1.node;
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let ExprKind::Repeat(value, length) = expr.kind
|
||||
&& let ExprKind::Lit(ref lit) = value.kind
|
||||
&& let LitKind::Int(1, LitIntType::Unsigned(UintTy::U8)) = lit.node
|
||||
&& let ArrayLen::Body(anon_const) = length
|
||||
&& expr1 = &cx.tcx.hir().body(anon_const.body).value
|
||||
&& let ExprKind::Lit(ref lit1) = expr1.kind
|
||||
&& let LitKind::Int(5, LitIntType::Unsuffixed) = lit1.node
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
|
@ -1,64 +1,56 @@
|
|||
if_chain! {
|
||||
if let ExprKind::Struct(qpath, fields, None) = expr.kind;
|
||||
if match_qpath(qpath, &["Test"]);
|
||||
if fields.len() == 1;
|
||||
if fields[0].ident.as_str() == "field";
|
||||
if let ExprKind::If(cond, then, Some(else_expr)) = fields[0].expr.kind;
|
||||
if let ExprKind::DropTemps(expr1) = cond.kind;
|
||||
if let ExprKind::Lit(ref lit) = expr1.kind;
|
||||
if let LitKind::Bool(true) = lit.node;
|
||||
if let ExprKind::Block(block, None) = then.kind;
|
||||
if block.stmts.is_empty();
|
||||
if let Some(trailing_expr) = block.expr;
|
||||
if let ExprKind::Lit(ref lit1) = trailing_expr.kind;
|
||||
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node;
|
||||
if let ExprKind::Block(block1, None) = else_expr.kind;
|
||||
if block1.stmts.is_empty();
|
||||
if let Some(trailing_expr1) = block1.expr;
|
||||
if let ExprKind::Lit(ref lit2) = trailing_expr1.kind;
|
||||
if let LitKind::Int(0, LitIntType::Unsuffixed) = lit2.node;
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let ExprKind::Struct(qpath, fields, None) = expr.kind
|
||||
&& match_qpath(qpath, &["Test"])
|
||||
&& fields.len() == 1
|
||||
&& fields[0].ident.as_str() == "field"
|
||||
&& let ExprKind::If(cond, then, Some(else_expr)) = fields[0].expr.kind
|
||||
&& let ExprKind::DropTemps(expr1) = cond.kind
|
||||
&& let ExprKind::Lit(ref lit) = expr1.kind
|
||||
&& let LitKind::Bool(true) = lit.node
|
||||
&& let ExprKind::Block(block, None) = then.kind
|
||||
&& block.stmts.is_empty()
|
||||
&& let Some(trailing_expr) = block.expr
|
||||
&& let ExprKind::Lit(ref lit1) = trailing_expr.kind
|
||||
&& let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node
|
||||
&& let ExprKind::Block(block1, None) = else_expr.kind
|
||||
&& block1.stmts.is_empty()
|
||||
&& let Some(trailing_expr1) = block1.expr
|
||||
&& let ExprKind::Lit(ref lit2) = trailing_expr1.kind
|
||||
&& let LitKind::Int(0, LitIntType::Unsuffixed) = lit2.node
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind;
|
||||
if match_qpath(qpath, &["Test"]);
|
||||
if fields.len() == 1;
|
||||
if fields[0].ident.as_str() == "field";
|
||||
if let PatKind::Lit(lit_expr) = fields[0].pat.kind;
|
||||
if let ExprKind::Lit(ref lit) = lit_expr.kind;
|
||||
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node;
|
||||
if arm.guard.is_none();
|
||||
if let ExprKind::Block(block, None) = arm.body.kind;
|
||||
if block.stmts.is_empty();
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind
|
||||
&& match_qpath(qpath, &["Test"])
|
||||
&& fields.len() == 1
|
||||
&& fields[0].ident.as_str() == "field"
|
||||
&& let PatKind::Lit(lit_expr) = fields[0].pat.kind
|
||||
&& let ExprKind::Lit(ref lit) = lit_expr.kind
|
||||
&& let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node
|
||||
&& arm.guard.is_none()
|
||||
&& let ExprKind::Block(block, None) = arm.body.kind
|
||||
&& block.stmts.is_empty()
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind;
|
||||
if match_qpath(qpath, &["TestTuple"]);
|
||||
if fields.len() == 1;
|
||||
if let PatKind::Lit(lit_expr) = fields[0].kind;
|
||||
if let ExprKind::Lit(ref lit) = lit_expr.kind;
|
||||
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node;
|
||||
if arm.guard.is_none();
|
||||
if let ExprKind::Block(block, None) = arm.body.kind;
|
||||
if block.stmts.is_empty();
|
||||
if block.expr.is_none();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind
|
||||
&& match_qpath(qpath, &["TestTuple"])
|
||||
&& fields.len() == 1
|
||||
&& let PatKind::Lit(lit_expr) = fields[0].kind
|
||||
&& let ExprKind::Lit(ref lit) = lit_expr.kind
|
||||
&& let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node
|
||||
&& arm.guard.is_none()
|
||||
&& let ExprKind::Block(block, None) = arm.body.kind
|
||||
&& block.stmts.is_empty()
|
||||
&& block.expr.is_none()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
if_chain! {
|
||||
if let ExprKind::MethodCall(method_name, receiver, args, _) = expr.kind;
|
||||
if method_name.ident.as_str() == "test";
|
||||
if let ExprKind::Path(ref qpath) = receiver.kind;
|
||||
if match_qpath(qpath, &["test_method_call"]);
|
||||
if args.is_empty();
|
||||
then {
|
||||
// report your lint here
|
||||
}
|
||||
if let ExprKind::MethodCall(method_name, receiver, args, _) = expr.kind
|
||||
&& method_name.ident.as_str() == "test"
|
||||
&& let ExprKind::Path(ref qpath) = receiver.kind
|
||||
&& match_qpath(qpath, &["test_method_call"])
|
||||
&& args.is_empty()
|
||||
{
|
||||
// report your lint here
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue