90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
//===----- EditedSource.h - Collection of source edits ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_EDIT_EDITEDSOURCE_H
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#define LLVM_CLANG_EDIT_EDITEDSOURCE_H
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#include "clang/Edit/FileOffset.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Allocator.h"
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#include <map>
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namespace clang {
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class LangOptions;
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class PPConditionalDirectiveRecord;
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namespace edit {
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class Commit;
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class EditsReceiver;
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class EditedSource {
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const SourceManager &SourceMgr;
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const LangOptions &LangOpts;
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const PPConditionalDirectiveRecord *PPRec;
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struct FileEdit {
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StringRef Text;
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unsigned RemoveLen;
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FileEdit() : RemoveLen(0) {}
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};
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typedef std::map<FileOffset, FileEdit> FileEditsTy;
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FileEditsTy FileEdits;
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llvm::DenseMap<unsigned, SourceLocation> ExpansionToArgMap;
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llvm::BumpPtrAllocator StrAlloc;
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public:
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EditedSource(const SourceManager &SM, const LangOptions &LangOpts,
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const PPConditionalDirectiveRecord *PPRec = nullptr)
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: SourceMgr(SM), LangOpts(LangOpts), PPRec(PPRec),
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StrAlloc() { }
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const SourceManager &getSourceManager() const { return SourceMgr; }
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const LangOptions &getLangOpts() const { return LangOpts; }
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const PPConditionalDirectiveRecord *getPPCondDirectiveRecord() const {
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return PPRec;
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}
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bool canInsertInOffset(SourceLocation OrigLoc, FileOffset Offs);
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bool commit(const Commit &commit);
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void applyRewrites(EditsReceiver &receiver);
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void clearRewrites();
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StringRef copyString(StringRef str) {
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char *buf = StrAlloc.Allocate<char>(str.size());
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std::memcpy(buf, str.data(), str.size());
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return StringRef(buf, str.size());
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}
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StringRef copyString(const Twine &twine);
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private:
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bool commitInsert(SourceLocation OrigLoc, FileOffset Offs, StringRef text,
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bool beforePreviousInsertions);
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bool commitInsertFromRange(SourceLocation OrigLoc, FileOffset Offs,
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FileOffset InsertFromRangeOffs, unsigned Len,
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bool beforePreviousInsertions);
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void commitRemove(SourceLocation OrigLoc, FileOffset BeginOffs, unsigned Len);
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StringRef getSourceText(FileOffset BeginOffs, FileOffset EndOffs,
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bool &Invalid);
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FileEditsTy::iterator getActionForOffset(FileOffset Offs);
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};
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}
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} // end namespace clang
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#endif
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