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📄 APValue.cpp(23.33 KB)
📄 ASTConcept.cpp(2.7 KB)
📄 ASTConsumer.cpp(954 B)
📄 ASTContext.cpp(407.36 KB)
📄 ASTDiagnostic.cpp(75.78 KB)
📄 ASTDumper.cpp(9.52 KB)
📄 ASTImporter.cpp(323.93 KB)
📄 ASTImporterLookupTable.cpp(4.85 KB)
📄 ASTStructuralEquivalence.cpp(73.55 KB)
📄 ASTTypeTraits.cpp(6.42 KB)
📄 AttrImpl.cpp(5.3 KB)
📄 CXXABI.h(2.66 KB)
📄 CXXInheritance.cpp(28.55 KB)
📄 Comment.cpp(11.94 KB)
📄 CommentBriefParser.cpp(4.19 KB)
📄 CommentCommandTraits.cpp(4.63 KB)
📄 CommentLexer.cpp(25.38 KB)
📄 CommentParser.cpp(23.52 KB)
📄 CommentSema.cpp(40.88 KB)
📄 ComparisonCategories.cpp(7.23 KB)
📄 ComputeDependence.cpp(28.3 KB)
📄 DataCollection.cpp(1.83 KB)
📄 Decl.cpp(177.21 KB)
📄 DeclBase.cpp(63.37 KB)
📄 DeclCXX.cpp(127.53 KB)
📄 DeclFriend.cpp(2.76 KB)
📄 DeclGroup.cpp(1.16 KB)
📄 DeclObjC.cpp(82.05 KB)
📄 DeclOpenMP.cpp(10.04 KB)
📄 DeclPrinter.cpp(52.6 KB)
📄 DeclTemplate.cpp(57.75 KB)
📄 DeclarationName.cpp(17.52 KB)
📄 Expr.cpp(176.93 KB)
📄 ExprCXX.cpp(69.03 KB)
📄 ExprClassification.cpp(28.48 KB)
📄 ExprConcepts.cpp(9.43 KB)
📄 ExprConstant.cpp(538.88 KB)
📄 ExprObjC.cpp(14.25 KB)
📄 ExternalASTMerger.cpp(22.13 KB)
📄 ExternalASTSource.cpp(3.85 KB)
📄 FormatString.cpp(29.64 KB)
📄 FormatStringParsing.h(3.17 KB)
📄 InheritViz.cpp(5.1 KB)
📁 Interp
📄 ItaniumCXXABI.cpp(8.92 KB)
📄 ItaniumMangle.cpp(182.64 KB)
📄 JSONNodeDumper.cpp(58.07 KB)
📄 Linkage.h(6 KB)
📄 Mangle.cpp(17.71 KB)
📄 MicrosoftCXXABI.cpp(9.12 KB)
📄 MicrosoftMangle.cpp(133.01 KB)
📄 NSAPI.cpp(18.12 KB)
📄 NestedNameSpecifier.cpp(23.31 KB)
📄 ODRHash.cpp(29.78 KB)
📄 OSLog.cpp(7.61 KB)
📄 OpenMPClause.cpp(82.03 KB)
📄 ParentMap.cpp(5.97 KB)
📄 ParentMapContext.cpp(10.7 KB)
📄 PrintfFormatString.cpp(35.8 KB)
📄 QualTypeNames.cpp(18.46 KB)
📄 RawCommentList.cpp(15.52 KB)
📄 RecordLayout.cpp(3.95 KB)
📄 RecordLayoutBuilder.cpp(132.78 KB)
📄 ScanfFormatString.cpp(18.62 KB)
📄 SelectorLocationsKind.cpp(4.48 KB)
📄 Stmt.cpp(45.04 KB)
📄 StmtCXX.cpp(5 KB)
📄 StmtIterator.cpp(2.92 KB)
📄 StmtObjC.cpp(2.75 KB)
📄 StmtOpenMP.cpp(98.6 KB)
📄 StmtPrinter.cpp(70.34 KB)
📄 StmtProfile.cpp(60.24 KB)
📄 StmtViz.cpp(1.75 KB)
📄 TemplateBase.cpp(16.19 KB)
📄 TemplateName.cpp(9.96 KB)
📄 TextNodeDumper.cpp(61.83 KB)
📄 Type.cpp(144.42 KB)
📄 TypeLoc.cpp(20.52 KB)
📄 TypePrinter.cpp(63.28 KB)
📄 VTTBuilder.cpp(7.25 KB)
📄 VTableBuilder.cpp(139.78 KB)

Editing: FormatStringParsing.h

//===----- FormatStringParsing.h - Format String Parsing --------*- 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
//
//===----------------------------------------------------------------------===//
//
// This provides some shared functions between printf and scanf format string
// parsing code.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_ANALYSIS_FORMATSTRINGPARSING_H
#define LLVM_CLANG_LIB_ANALYSIS_FORMATSTRINGPARSING_H

#include "clang/AST/ASTContext.h"
#include "clang/AST/Type.h"
#include "clang/AST/FormatString.h"

namespace clang {

class LangOptions;

template <typename T>
class UpdateOnReturn {
  T &ValueToUpdate;
  const T &ValueToCopy;
public:
  UpdateOnReturn(T &valueToUpdate, const T &valueToCopy)
    : ValueToUpdate(valueToUpdate), ValueToCopy(valueToCopy) {}

~UpdateOnReturn() {
    ValueToUpdate = ValueToCopy;
  }
};

namespace analyze_format_string {

OptionalAmount ParseAmount(const char *&Beg, const char *E);
OptionalAmount ParseNonPositionAmount(const char *&Beg, const char *E,
                                      unsigned &argIndex);

OptionalAmount ParsePositionAmount(FormatStringHandler &H,
                                   const char *Start, const char *&Beg,
                                   const char *E, PositionContext p);

bool ParseFieldWidth(FormatStringHandler &H,
                     FormatSpecifier &CS,
                     const char *Start, const char *&Beg, const char *E,
                     unsigned *argIndex);

bool ParseArgPosition(FormatStringHandler &H,
                      FormatSpecifier &CS, const char *Start,
                      const char *&Beg, const char *E);

bool ParseVectorModifier(FormatStringHandler &H,
                         FormatSpecifier &FS, const char *&Beg, const char *E,
                         const LangOptions &LO);

/// Returns true if a LengthModifier was parsed and installed in the
/// FormatSpecifier& argument, and false otherwise.
bool ParseLengthModifier(FormatSpecifier &FS, const char *&Beg, const char *E,
                         const LangOptions &LO, bool IsScanf = false);

/// Returns true if the invalid specifier in \p SpecifierBegin is a UTF-8
/// string; check that it won't go further than \p FmtStrEnd and write
/// up the total size in \p Len.
bool ParseUTF8InvalidSpecifier(const char *SpecifierBegin,
                               const char *FmtStrEnd, unsigned &Len);

template <typename T> class SpecifierResult {
  T FS;
  const char *Start;
  bool Stop;
public:
  SpecifierResult(bool stop = false)
  : Start(nullptr), Stop(stop) {}
  SpecifierResult(const char *start,
                  const T &fs)
  : FS(fs), Start(start), Stop(false) {}

const char *getStart() const { return Start; }
  bool shouldStop() const { return Stop; }
  bool hasValue() const { return Start != nullptr; }
  const T &getValue() const {
    assert(hasValue());
    return FS;
  }
  const T &getValue() { return FS; }
};

} // end analyze_format_string namespace
} // end clang namespace

#endif

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Editing: FormatStringParsing.h

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