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-rw-r--r--include/clang/Basic/SourceManager.h72
1 files changed, 35 insertions, 37 deletions
diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h
index 16bd5616a6..397ad2e77f 100644
--- a/include/clang/Basic/SourceManager.h
+++ b/include/clang/Basic/SourceManager.h
@@ -1,4 +1,4 @@
-//===--- SourceManager.h - Track and cache source files ---------*- C++ -*-===//
+//===- SourceManager.h - Track and cache source files -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,7 +6,7 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-///
+//
/// \file
/// \brief Defines the SourceManager interface.
///
@@ -29,14 +29,13 @@
/// location in the source where the macro was originally defined,
/// and the presumed location is where the line directive states that
/// the line is 17, or any other line.
-///
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_SOURCEMANAGER_H
#define LLVM_CLANG_BASIC_SOURCEMANAGER_H
#include "clang/Basic/FileManager.h"
-#include "clang/Basic/LLVM.h"
#include "clang/Basic/SourceLocation.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/BitVector.h"
@@ -49,10 +48,8 @@
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/MemoryBuffer.h"
-#include <algorithm>
#include <cassert>
#include <cstddef>
-#include <cstdint>
#include <map>
#include <memory>
#include <string>
@@ -69,7 +66,6 @@ class SourceManager;
/// \brief Public enums and private classes that are part of the
/// SourceManager implementation.
-///
namespace SrcMgr {
/// \brief Indicates whether a file or directory holds normal user code,
@@ -100,6 +96,7 @@ namespace SrcMgr {
enum CCFlags {
/// \brief Whether the buffer is invalid.
InvalidFlag = 0x01,
+
/// \brief Whether the buffer should not be freed on destruction.
DoNotFreeFlag = 0x02
};
@@ -130,12 +127,12 @@ namespace SrcMgr {
///
/// This is lazily computed. This is owned by the SourceManager
/// BumpPointerAllocator object.
- unsigned *SourceLineCache;
+ unsigned *SourceLineCache = nullptr;
/// \brief The number of lines in this ContentCache.
///
/// This is only valid if SourceLineCache is non-null.
- unsigned NumLines;
+ unsigned NumLines = 0;
/// \brief Indicates whether the buffer itself was provided to override
/// the actual file contents.
@@ -157,15 +154,14 @@ namespace SrcMgr {
ContentCache(const FileEntry *Ent, const FileEntry *contentEnt)
: Buffer(nullptr, false), OrigEntry(Ent), ContentsEntry(contentEnt),
- SourceLineCache(nullptr), NumLines(0), BufferOverridden(false),
- IsSystemFile(false), IsTransient(false) {}
+ BufferOverridden(false), IsSystemFile(false), IsTransient(false) {}
/// The copy ctor does not allow copies where source object has either
/// a non-NULL Buffer or SourceLineCache. Ownership of allocated memory
/// is not transferred, so this is a logical error.
ContentCache(const ContentCache &RHS)
- : Buffer(nullptr, false), SourceLineCache(nullptr),
- BufferOverridden(false), IsSystemFile(false), IsTransient(false) {
+ : Buffer(nullptr, false), BufferOverridden(false), IsSystemFile(false),
+ IsTransient(false) {
OrigEntry = RHS.OrigEntry;
ContentsEntry = RHS.ContentsEntry;
@@ -246,6 +242,10 @@ namespace SrcMgr {
/// FileInfos contain a "ContentCache *", with the contents of the file.
///
class FileInfo {
+ friend class clang::SourceManager;
+ friend class clang::ASTWriter;
+ friend class clang::ASTReader;
+
/// \brief The location of the \#include that brought in this file.
///
/// This is an invalid SLOC for the main file (top of the \#include chain).
@@ -264,10 +264,6 @@ namespace SrcMgr {
llvm::PointerIntPair<const ContentCache*, 3, CharacteristicKind>
ContentAndKind;
- friend class clang::SourceManager;
- friend class clang::ASTWriter;
- friend class clang::ASTReader;
-
public:
/// \brief Return a FileInfo object.
static FileInfo get(SourceLocation IL, const ContentCache *Con,
@@ -448,7 +444,7 @@ namespace SrcMgr {
}
};
-} // end SrcMgr namespace.
+} // namespace SrcMgr
/// \brief External source of source location entries.
class ExternalSLocEntrySource {
@@ -546,7 +542,7 @@ public:
/// \brief The stack used when building modules on demand, which is used
/// to provide a link between the source managers of the different compiler
/// instances.
-typedef ArrayRef<std::pair<std::string, FullSourceLoc>> ModuleBuildStack;
+using ModuleBuildStack = ArrayRef<std::pair<std::string, FullSourceLoc>>;
/// \brief This class handles loading and caching of source files into memory.
///
@@ -578,7 +574,7 @@ class SourceManager : public RefCountedBase<SourceManager> {
/// \brief True if the ContentCache for files that are overridden by other
/// files, should report the original file name. Defaults to true.
- bool OverridenFilesKeepOriginalName;
+ bool OverridenFilesKeepOriginalName = true;
/// \brief True if non-system source files should be treated as volatile
/// (likely to change while trying to use them). Defaults to false.
@@ -587,12 +583,13 @@ class SourceManager : public RefCountedBase<SourceManager> {
/// \brief True if all files read during this compilation should be treated
/// as transient (may not be present in later compilations using a module
/// file created from this compilation). Defaults to false.
- bool FilesAreTransient;
+ bool FilesAreTransient = false;
struct OverriddenFilesInfoTy {
/// \brief Files that have been overridden with the contents from another
/// file.
llvm::DenseMap<const FileEntry *, const FileEntry *> OverriddenFiles;
+
/// \brief Files that were overridden with a memory buffer.
llvm::DenseSet<const FileEntry *> OverriddenFilesWithBuffer;
};
@@ -647,7 +644,7 @@ class SourceManager : public RefCountedBase<SourceManager> {
llvm::BitVector SLocEntryLoaded;
/// \brief An external source for source location entries.
- ExternalSLocEntrySource *ExternalSLocEntries;
+ ExternalSLocEntrySource *ExternalSLocEntries = nullptr;
/// \brief A one-entry cache to speed up getFileID.
///
@@ -658,7 +655,7 @@ class SourceManager : public RefCountedBase<SourceManager> {
/// \brief Holds information for \#line directives.
///
/// This is referenced by indices from SLocEntryTable.
- LineTableInfo *LineTable;
+ LineTableInfo *LineTable = nullptr;
/// \brief These ivars serve as a cache used in the getLineNumber
/// method which is used to speedup getLineNumber calls to nearby locations.
@@ -674,7 +671,8 @@ class SourceManager : public RefCountedBase<SourceManager> {
FileID PreambleFileID;
// Statistics for -print-stats.
- mutable unsigned NumLinearScans, NumBinaryProbes;
+ mutable unsigned NumLinearScans = 0;
+ mutable unsigned NumBinaryProbes = 0;
/// \brief Associates a FileID with its "included/expanded in" decomposed
/// location.
@@ -684,12 +682,12 @@ class SourceManager : public RefCountedBase<SourceManager> {
mutable llvm::DenseMap<FileID, std::pair<FileID, unsigned>> IncludedLocMap;
/// The key value into the IsBeforeInTUCache table.
- typedef std::pair<FileID, FileID> IsBeforeInTUCacheKey;
+ using IsBeforeInTUCacheKey = std::pair<FileID, FileID>;
/// The IsBeforeInTranslationUnitCache is a mapping from FileID pairs
/// to cache results.
- typedef llvm::DenseMap<IsBeforeInTUCacheKey, InBeforeInTUCacheEntry>
- InBeforeInTUCache;
+ using InBeforeInTUCache =
+ llvm::DenseMap<IsBeforeInTUCacheKey, InBeforeInTUCacheEntry>;
/// Cache results for the isBeforeInTranslationUnit method.
mutable InBeforeInTUCache IBTUCache;
@@ -706,7 +704,7 @@ class SourceManager : public RefCountedBase<SourceManager> {
/// \brief Lazily computed map of macro argument chunks to their expanded
/// source location.
- typedef std::map<unsigned, SourceLocation> MacroArgsMap;
+ using MacroArgsMap = std::map<unsigned, SourceLocation>;
mutable llvm::DenseMap<FileID, std::unique_ptr<MacroArgsMap>>
MacroArgsCacheMap;
@@ -1417,7 +1415,6 @@ public:
//===--------------------------------------------------------------------===//
/// \brief Return the uniqued ID for the specified filename.
- ///
unsigned getLineTableFilenameID(StringRef Str);
/// \brief Add a line note to the line table for the FileID and offset
@@ -1538,8 +1535,9 @@ public:
}
// Iterators over FileInfos.
- typedef llvm::DenseMap<const FileEntry*, SrcMgr::ContentCache*>
- ::const_iterator fileinfo_iterator;
+ using fileinfo_iterator =
+ llvm::DenseMap<const FileEntry*, SrcMgr::ContentCache*>::const_iterator;
+
fileinfo_iterator fileinfo_begin() const { return FileInfos.begin(); }
fileinfo_iterator fileinfo_end() const { return FileInfos.end(); }
bool hasFileInfo(const FileEntry *File) const {
@@ -1547,7 +1545,6 @@ public:
}
/// \brief Print statistics to stderr.
- ///
void PrintStats() const;
void dump() const;
@@ -1638,6 +1635,9 @@ public:
}
private:
+ friend class ASTReader;
+ friend class ASTWriter;
+
llvm::MemoryBuffer *getFakeBufferForRecovery() const;
const SrcMgr::ContentCache *getFakeContentCacheForRecovery() const;
@@ -1729,8 +1729,6 @@ private:
SourceLocation SpellLoc,
SourceLocation ExpansionLoc,
unsigned ExpansionLength) const;
- friend class ASTReader;
- friend class ASTWriter;
};
/// \brief Comparison function object.
@@ -1743,7 +1741,7 @@ class BeforeThanCompare<SourceLocation> {
SourceManager &SM;
public:
- explicit BeforeThanCompare(SourceManager &SM) : SM(SM) { }
+ explicit BeforeThanCompare(SourceManager &SM) : SM(SM) {}
bool operator()(SourceLocation LHS, SourceLocation RHS) const {
return SM.isBeforeInTranslationUnit(LHS, RHS);
@@ -1756,13 +1754,13 @@ class BeforeThanCompare<SourceRange> {
SourceManager &SM;
public:
- explicit BeforeThanCompare(SourceManager &SM) : SM(SM) { }
+ explicit BeforeThanCompare(SourceManager &SM) : SM(SM) {}
bool operator()(SourceRange LHS, SourceRange RHS) const {
return SM.isBeforeInTranslationUnit(LHS.getBegin(), RHS.getBegin());
}
};
-} // end namespace clang
+} // namespace clang
#endif // LLVM_CLANG_BASIC_SOURCEMANAGER_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 08:40:09 +0000