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📄 AArch64SVEACLETypes.def(7.09 KB)
📄 ABI.h(5.95 KB)
📄 ASTNode.td(120 B)
📄 AddressSpaces.h(2.59 KB)
📄 AlignedAllocation.h(1.38 KB)
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📄 Attr.td(122.78 KB)
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📄 AttrKinds.h(929 B)
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📄 Attributes.h(1.35 KB)
📄 BitmaskEnum.h(749 B)
📄 Builtins.def(71.64 KB)
📄 Builtins.h(9.13 KB)
📄 BuiltinsAArch64.def(14.31 KB)
📄 BuiltinsAMDGPU.def(13.1 KB)
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📄 BuiltinsBPF.def(1016 B)
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📄 BuiltinsHexagonDep.def(117.26 KB)
📄 BuiltinsHexagonMapCustomDep.def(8.56 KB)
📄 BuiltinsLe64.def(728 B)
📄 BuiltinsMips.def(35.51 KB)
📄 BuiltinsNEON.def(814 B)
📄 BuiltinsNVPTX.def(27.63 KB)
📄 BuiltinsPPC.def(21.53 KB)
📄 BuiltinsSVE.def(786 B)
📄 BuiltinsSystemZ.def(19.7 KB)
📄 BuiltinsWebAssembly.def(10.17 KB)
📄 BuiltinsX86.def(140.49 KB)
📄 BuiltinsX86_64.def(6.79 KB)
📄 BuiltinsXCore.def(846 B)
📄 CapturedStmt.h(662 B)
📄 CharInfo.h(6.52 KB)
📄 CodeGenOptions.def(21.65 KB)
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📄 CommentNodes.td(1.04 KB)
📄 CommentOptions.h(1.1 KB)
📄 Cuda.h(2.3 KB)
📄 DebugInfoOptions.h(1.72 KB)
📄 DeclNodes.td(4.72 KB)
📄 Diagnostic.h(55.73 KB)
📄 Diagnostic.td(5.29 KB)
📄 DiagnosticAST.h(903 B)
📄 DiagnosticASTKinds.td(29.35 KB)
📄 DiagnosticAnalysis.h(933 B)
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📄 DiagnosticCategories.h(757 B)
📄 DiagnosticCategories.td(480 B)
📄 DiagnosticComment.h(927 B)
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📄 DiagnosticCommonKinds.td(14.32 KB)
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📄 DiagnosticCrossTUKinds.td(889 B)
📄 DiagnosticDocs.td(1.96 KB)
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📄 DiagnosticDriverKinds.td(25.54 KB)
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📄 DiagnosticFrontend.h(933 B)
📄 DiagnosticFrontendKinds.td(13.86 KB)
📄 DiagnosticGroups.td(59.71 KB)
📄 DiagnosticIDs.h(12.83 KB)
📄 DiagnosticLex.h(903 B)
📄 DiagnosticLexKinds.td(38.36 KB)
📄 DiagnosticOptions.def(4.58 KB)
📄 DiagnosticOptions.h(4.21 KB)
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📄 DiagnosticParseKinds.td(68.47 KB)
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📄 DiagnosticSemaKinds.td(546.17 KB)
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📄 ExceptionSpecificationType.h(2.48 KB)
📄 ExpressionTraits.h(1.18 KB)
📄 FPOptions.def(1.16 KB)
📄 Features.def(11.55 KB)
📄 FileManager.h(16.39 KB)
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📄 FileSystemStatCache.h(3.26 KB)
📄 FixedPoint.h(8.6 KB)
📄 IdentifierTable.h(33.75 KB)
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📄 LLVM.h(2.43 KB)
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📄 LangStandard.h(3.87 KB)
📄 LangStandards.def(6.8 KB)
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📄 Module.h(24.09 KB)
📄 ObjCRuntime.h(14.36 KB)
📄 OpenCLExtensionTypes.def(1.59 KB)
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📄 OpenCLImageTypes.def(4.1 KB)
📄 OpenCLOptions.h(4.42 KB)
📄 OpenMPKinds.def(4.58 KB)
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📄 OperatorKinds.def(6.56 KB)
📄 OperatorKinds.h(1.55 KB)
📄 OperatorPrecedence.h(1.82 KB)
📄 PartialDiagnostic.h(12.96 KB)
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📄 PrettyStackTrace.h(1.26 KB)
📄 SanitizerBlacklist.h(1.73 KB)
📄 SanitizerSpecialCaseList.h(1.81 KB)
📄 Sanitizers.def(6.41 KB)
📄 Sanitizers.h(6.57 KB)
📄 SourceLocation.h(15.56 KB)
📄 SourceManager.h(71.11 KB)
📄 SourceManagerInternals.h(4.27 KB)
📄 Specifiers.h(12.68 KB)
📄 Stack.h(1.94 KB)
📄 StmtNodes.td(10.92 KB)
📄 SyncScope.h(4.87 KB)
📄 TargetBuiltins.h(9.18 KB)
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📄 TemplateKinds.h(2.22 KB)
📄 TokenKinds.def(33.83 KB)
📄 TokenKinds.h(3.99 KB)
📄 TypeNodes.td(5.48 KB)
📄 TypeTraits.h(2.67 KB)
📄 Version.h(2.23 KB)
📄 Visibility.h(4.4 KB)
📄 X86Target.def(5.21 KB)
📄 XRayInstr.h(1.92 KB)
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📄 arm_bf16.td(590 B)
📄 arm_cde.td(9.29 KB)
📄 arm_fp16.td(5.79 KB)
📄 arm_mve.td(70.85 KB)
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📄 arm_neon.td(90.63 KB)
📄 arm_neon_incl.td(13.64 KB)
📄 arm_sve.td(162.48 KB)

Editing: SourceManagerInternals.h

//===- SourceManagerInternals.h - SourceManager Internals -------*- 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
/// Defines implementation details of the clang::SourceManager class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_BASIC_SOURCEMANAGERINTERNALS_H
#define LLVM_CLANG_BASIC_SOURCEMANAGERINTERNALS_H

#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Allocator.h"
#include <cassert>
#include <map>
#include <vector>

namespace clang {

//===----------------------------------------------------------------------===//
// Line Table Implementation
//===----------------------------------------------------------------------===//

struct LineEntry {
  /// The offset in this file that the line entry occurs at.
  unsigned FileOffset;

/// The presumed line number of this line entry: \#line 4.
  unsigned LineNo;

/// The ID of the filename identified by this line entry:
  /// \#line 4 "foo.c".  This is -1 if not specified.
  int FilenameID;

/// Set the 0 if no flags, 1 if a system header,
  SrcMgr::CharacteristicKind FileKind;

/// The offset of the virtual include stack location,
  /// which is manipulated by GNU linemarker directives.
  ///
  /// If this is 0 then there is no virtual \#includer.
  unsigned IncludeOffset;

static LineEntry get(unsigned Offs, unsigned Line, int Filename,
                       SrcMgr::CharacteristicKind FileKind,
                       unsigned IncludeOffset) {
    LineEntry E;
    E.FileOffset = Offs;
    E.LineNo = Line;
    E.FilenameID = Filename;
    E.FileKind = FileKind;
    E.IncludeOffset = IncludeOffset;
    return E;
  }
};

// needed for FindNearestLineEntry (upper_bound of LineEntry)
inline bool operator<(const LineEntry &lhs, const LineEntry &rhs) {
  // FIXME: should check the other field?
  return lhs.FileOffset < rhs.FileOffset;
}

inline bool operator<(const LineEntry &E, unsigned Offset) {
  return E.FileOffset < Offset;
}

inline bool operator<(unsigned Offset, const LineEntry &E) {
  return Offset < E.FileOffset;
}

/// Used to hold and unique data used to represent \#line information.
class LineTableInfo {
  /// Map used to assign unique IDs to filenames in \#line directives.
  ///
  /// This allows us to unique the filenames that
  /// frequently reoccur and reference them with indices.  FilenameIDs holds
  /// the mapping from string -> ID, and FilenamesByID holds the mapping of ID
  /// to string.
  llvm::StringMap<unsigned, llvm::BumpPtrAllocator> FilenameIDs;
  std::vector<llvm::StringMapEntry<unsigned>*> FilenamesByID;

/// Map from FileIDs to a list of line entries (sorted by the offset
  /// at which they occur in the file).
  std::map<FileID, std::vector<LineEntry>> LineEntries;

public:
  void clear() {
    FilenameIDs.clear();
    FilenamesByID.clear();
    LineEntries.clear();
  }

unsigned getLineTableFilenameID(StringRef Str);

StringRef getFilename(unsigned ID) const {
    assert(ID < FilenamesByID.size() && "Invalid FilenameID");
    return FilenamesByID[ID]->getKey();
  }

unsigned getNumFilenames() const { return FilenamesByID.size(); }

void AddLineNote(FileID FID, unsigned Offset,
                   unsigned LineNo, int FilenameID,
                   unsigned EntryExit, SrcMgr::CharacteristicKind FileKind);

/// Find the line entry nearest to FID that is before it.
  ///
  /// If there is no line entry before \p Offset in \p FID, returns null.
  const LineEntry *FindNearestLineEntry(FileID FID, unsigned Offset);

// Low-level access
  using iterator = std::map<FileID, std::vector<LineEntry>>::iterator;

iterator begin() { return LineEntries.begin(); }
  iterator end() { return LineEntries.end(); }

/// Add a new line entry that has already been encoded into
  /// the internal representation of the line table.
  void AddEntry(FileID FID, const std::vector<LineEntry> &Entries);
};

} // namespace clang

#endif // LLVM_CLANG_BASIC_SOURCEMANAGERINTERNALS_H

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Editing: SourceManagerInternals.h

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