================ @@ -0,0 +1,368 @@ +//===--- NumericLiteralCaseFixer.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 +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// This file implements NumericLiteralCaseFixer that standardizes character +/// case within numeric literal constants. +/// +//===----------------------------------------------------------------------===// + +#include "NumericLiteralCaseFixer.h" + +#include "llvm/ADT/StringExtras.h" + +#include <algorithm> + +namespace clang { +namespace format { + +using CharTransformFn = char (*)(char C); +namespace { + +/// @brief Collection of std::transform predicates for each part of a numeric +/// literal +struct FormatParameters { + FormatParameters(FormatStyle::LanguageKind Language, + const FormatStyle::NumericLiteralCaseStyle &CaseStyle); + + CharTransformFn Prefix; + CharTransformFn HexDigit; + CharTransformFn FloatExponentSeparator; + CharTransformFn Suffix; + + char Separator; +}; + +/// @brief Parse a single numeric constant from text into ranges that are +/// appropriate for applying NumericLiteralCaseStyle rules. +class QuickNumericalConstantParser { +public: + QuickNumericalConstantParser(const StringRef &IntegerLiteral, + const FormatParameters &Transforms); + + /// @brief Reformats the numeric constant if needed. + /// Calling this method invalidates the object's state. + /// @return std::nullopt if no reformatting is required. std::option<> ---------------- JustinStitt wrote:
probable typo: `s/option/optional` https://github.com/llvm/llvm-project/pull/151590 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
