blob: d95a0c2be805dfc852283e2d960a4a84a7531671 [file] [log] [blame]
//===----- EditedSource.h - Collection of source edits ----------*- C++ -*-===//
// The LLVM Compiler Infrastructure
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
#include "clang/Basic/IdentifierTable.h"
#include "clang/Edit/FileOffset.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/TinyPtrVector.h"
#include "llvm/Support/Allocator.h"
#include <map>
#include <tuple>
namespace clang {
class LangOptions;
class PPConditionalDirectiveRecord;
namespace edit {
class Commit;
class EditsReceiver;
class EditedSource {
const SourceManager &SourceMgr;
const LangOptions &LangOpts;
const PPConditionalDirectiveRecord *PPRec;
struct FileEdit {
StringRef Text;
unsigned RemoveLen;
FileEdit() : RemoveLen(0) {}
typedef std::map<FileOffset, FileEdit> FileEditsTy;
FileEditsTy FileEdits;
struct MacroArgUse {
IdentifierInfo *Identifier;
SourceLocation ImmediateExpansionLoc;
// Location of argument use inside the top-level macro
SourceLocation UseLoc;
bool operator==(const MacroArgUse &Other) const {
return std::tie(Identifier, ImmediateExpansionLoc, UseLoc) ==
std::tie(Other.Identifier, Other.ImmediateExpansionLoc,
llvm::DenseMap<unsigned, SmallVector<MacroArgUse, 2>> ExpansionToArgMap;
SmallVector<std::pair<SourceLocation, MacroArgUse>, 2>
IdentifierTable IdentTable;
llvm::BumpPtrAllocator StrAlloc;
EditedSource(const SourceManager &SM, const LangOptions &LangOpts,
const PPConditionalDirectiveRecord *PPRec = nullptr)
: SourceMgr(SM), LangOpts(LangOpts), PPRec(PPRec), IdentTable(LangOpts),
StrAlloc() { }
const SourceManager &getSourceManager() const { return SourceMgr; }
const LangOptions &getLangOpts() const { return LangOpts; }
const PPConditionalDirectiveRecord *getPPCondDirectiveRecord() const {
return PPRec;
bool canInsertInOffset(SourceLocation OrigLoc, FileOffset Offs);
bool commit(const Commit &commit);
void applyRewrites(EditsReceiver &receiver, bool adjustRemovals = true);
void clearRewrites();
StringRef copyString(StringRef str) { return str.copy(StrAlloc); }
StringRef copyString(const Twine &twine);
bool commitInsert(SourceLocation OrigLoc, FileOffset Offs, StringRef text,
bool beforePreviousInsertions);
bool commitInsertFromRange(SourceLocation OrigLoc, FileOffset Offs,
FileOffset InsertFromRangeOffs, unsigned Len,
bool beforePreviousInsertions);
void commitRemove(SourceLocation OrigLoc, FileOffset BeginOffs, unsigned Len);
StringRef getSourceText(FileOffset BeginOffs, FileOffset EndOffs,
bool &Invalid);
FileEditsTy::iterator getActionForOffset(FileOffset Offs);
void deconstructMacroArgLoc(SourceLocation Loc,
SourceLocation &ExpansionLoc,
MacroArgUse &ArgUse);
void startingCommit();
void finishedCommit();
} // end namespace clang