================ @@ -0,0 +1,210 @@ +//===--- SwapBinaryOperands.cpp ----------------------------------*- C++-*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +#include "ParsedAST.h" +#include "SourceCode.h" +#include "refactor/Tweak.h" +#include "support/Logger.h" +#include "clang/AST/ASTContext.h" +#include "clang/AST/Expr.h" +#include "clang/AST/OperationKinds.h" +#include "clang/AST/Stmt.h" +#include "clang/Basic/LangOptions.h" +#include "clang/Basic/SourceLocation.h" +#include "clang/Basic/SourceManager.h" +#include "clang/Tooling/Core/Replacement.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/Casting.h" +#include "llvm/Support/Error.h" + +namespace clang { +namespace clangd { +namespace { +/// Check whether it makes logical sense to swap operands to an operator. +/// Assignment or member access operators are rarely swappable +/// while keeping the meaning intact, whereas comparison operators, mathematical +/// operators, etc. are often desired to be swappable for readability, avoiding +/// bugs by assigning to nullptr when comparison was desired, etc. +auto isOpSwappable(const BinaryOperatorKind Opcode) -> bool { + switch (Opcode) { + case BinaryOperatorKind::BO_Mul: + case BinaryOperatorKind::BO_Add: + case BinaryOperatorKind::BO_Cmp: ---------------- 5chmidti wrote:
`<=>` is not commutative, ```c++ const auto a = 3 <=> 5; assert(std::is_lt(a)); const auto b = 5 <=> 3; assert(std::is_lt(b)); // failure ``` https://github.com/llvm/llvm-project/pull/78999 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits