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Small refactor of mutable_debug_assertions

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flip1995 2020-01-29 15:45:42 +01:00
parent b90101251f
commit b31a3dff48
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1 changed files with 24 additions and 24 deletions
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48
clippy_lints/src/mutable_debug_assertion.rs
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@ -61,38 +61,38 @@ fn extract_call<'a, 'tcx>(cx: &'a LateContext<'a, 'tcx>, e: &'tcx Expr<'_>) -> O
if block.stmts.len() == 1;
if let StmtKind::Semi(ref matchexpr) = block.stmts[0].kind;
then {
// debug_assert
if_chain! {
if let ExprKind::Match(ref ifclause, _, _) = matchexpr.kind;
if let ExprKind::DropTemps(ref droptmp) = ifclause.kind;
if let ExprKind::Unary(UnOp::UnNot, ref condition) = droptmp.kind;
then {
// debug_assert
let mut visitor = MutArgVisitor::new(cx);
visitor.visit_expr(condition);
return visitor.expr_span();
} else {
// debug_assert_{eq,ne}
if_chain! {
if let ExprKind::Block(ref matchblock, _) = matchexpr.kind;
if let Some(ref matchheader) = matchblock.expr;
if let ExprKind::Match(ref headerexpr, _, _) = matchheader.kind;
if let ExprKind::Tup(ref conditions) = headerexpr.kind;
if conditions.len() == 2;
then {
if let ExprKind::AddrOf(BorrowKind::Ref, _, ref lhs) = conditions[0].kind {
let mut visitor = MutArgVisitor::new(cx);
visitor.visit_expr(lhs);
if let Some(span) = visitor.expr_span() {
return Some(span);
}
}
if let ExprKind::AddrOf(BorrowKind::Ref, _, ref rhs) = conditions[1].kind {
let mut visitor = MutArgVisitor::new(cx);
visitor.visit_expr(rhs);
if let Some(span) = visitor.expr_span() {
return Some(span);
}
}
}
}
// debug_assert_{eq,ne}
if_chain! {
if let ExprKind::Block(ref matchblock, _) = matchexpr.kind;
if let Some(ref matchheader) = matchblock.expr;
if let ExprKind::Match(ref headerexpr, _, _) = matchheader.kind;
if let ExprKind::Tup(ref conditions) = headerexpr.kind;
if conditions.len() == 2;
then {
if let ExprKind::AddrOf(BorrowKind::Ref, _, ref lhs) = conditions[0].kind {
let mut visitor = MutArgVisitor::new(cx);
visitor.visit_expr(lhs);
if let Some(span) = visitor.expr_span() {
return Some(span);
}
}
if let ExprKind::AddrOf(BorrowKind::Ref, _, ref rhs) = conditions[1].kind {
let mut visitor = MutArgVisitor::new(cx);
visitor.visit_expr(rhs);
if let Some(span) = visitor.expr_span() {
return Some(span);
}
}
}