llvm/clang/lib/Format/QualifierAlignmentFixer.cpp

//===--- QualifierAlignmentFixer.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 QualifierAlignmentFixer, a TokenAnalyzer that
/// enforces either left or right const depending on the style.
///
//===----------------------------------------------------------------------===//

#include "QualifierAlignmentFixer.h"
#include "FormatToken.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Regex.h"

#include <algorithm>
#include <optional>

#define DEBUG_TYPE …

namespace clang {
namespace format {

void addQualifierAlignmentFixerPasses(const FormatStyle &Style,
                                      SmallVectorImpl<AnalyzerPass> &Passes) { … }

static void replaceToken(const SourceManager &SourceMgr,
                         tooling::Replacements &Fixes,
                         const CharSourceRange &Range, std::string NewText) { … }

static void removeToken(const SourceManager &SourceMgr,
                        tooling::Replacements &Fixes,
                        const FormatToken *First) { … }

static void insertQualifierAfter(const SourceManager &SourceMgr,
                                 tooling::Replacements &Fixes,
                                 const FormatToken *First,
                                 const std::string &Qualifier) { … }

static void insertQualifierBefore(const SourceManager &SourceMgr,
                                  tooling::Replacements &Fixes,
                                  const FormatToken *First,
                                  const std::string &Qualifier) { … }

static bool endsWithSpace(const std::string &s) { … }

static bool startsWithSpace(const std::string &s) { … }

static void rotateTokens(const SourceManager &SourceMgr,
                         tooling::Replacements &Fixes, const FormatToken *First,
                         const FormatToken *Last, bool Left) { … }

static bool
isConfiguredQualifier(const FormatToken *const Tok,
                      const std::vector<tok::TokenKind> &Qualifiers) { … }

static bool isQualifier(const FormatToken *const Tok) { … }

const FormatToken *LeftRightQualifierAlignmentFixer::analyzeRight(
    const SourceManager &SourceMgr, const AdditionalKeywords &Keywords,
    tooling::Replacements &Fixes, const FormatToken *const Tok,
    const std::string &Qualifier, tok::TokenKind QualifierType) { … }

const FormatToken *LeftRightQualifierAlignmentFixer::analyzeLeft(
    const SourceManager &SourceMgr, const AdditionalKeywords &Keywords,
    tooling::Replacements &Fixes, const FormatToken *const Tok,
    const std::string &Qualifier, tok::TokenKind QualifierType) { … }

tok::TokenKind LeftRightQualifierAlignmentFixer::getTokenFromQualifier(
    const std::string &Qualifier) { … }

LeftRightQualifierAlignmentFixer::LeftRightQualifierAlignmentFixer(
    const Environment &Env, const FormatStyle &Style,
    const std::string &Qualifier,
    const std::vector<tok::TokenKind> &QualifierTokens, bool RightAlign)
    : … { … }

std::pair<tooling::Replacements, unsigned>
LeftRightQualifierAlignmentFixer::analyze(
    TokenAnnotator & /*Annotator*/,
    SmallVectorImpl<AnnotatedLine *> &AnnotatedLines,
    FormatTokenLexer &Tokens) { … }

void LeftRightQualifierAlignmentFixer::fixQualifierAlignment(
    SmallVectorImpl<AnnotatedLine *> &AnnotatedLines, FormatTokenLexer &Tokens,
    tooling::Replacements &Fixes) { … }

void prepareLeftRightOrderingForQualifierAlignmentFixer(
    const std::vector<std::string> &Order, std::vector<std::string> &LeftOrder,
    std::vector<std::string> &RightOrder,
    std::vector<tok::TokenKind> &Qualifiers) { … }

bool isQualifierOrType(const FormatToken *Tok, const LangOptions &LangOpts) { … }

bool isConfiguredQualifierOrType(const FormatToken *Tok,
                                 const std::vector<tok::TokenKind> &Qualifiers,
                                 const LangOptions &LangOpts) { … }

// If a token is an identifier and it's upper case, it could
// be a macro and hence we need to be able to ignore it.
bool isPossibleMacro(const FormatToken *Tok) { … }

} // namespace format
} // namespace clang