1 //===- ListRecordBuilder.h --------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_DEBUGINFO_CODEVIEW_LISTRECORDBUILDER_H 11 #define LLVM_DEBUGINFO_CODEVIEW_LISTRECORDBUILDER_H 12 13 #include "llvm/DebugInfo/CodeView/TypeRecordBuilder.h" 14 15 namespace llvm { 16 namespace codeview { 17 class TypeTableBuilder; 18 19 class ListRecordBuilder { 20 private: 21 ListRecordBuilder(const ListRecordBuilder &) = delete; 22 ListRecordBuilder &operator=(const ListRecordBuilder &) = delete; 23 24 protected: 25 const int MethodKindShift = 2; 26 27 explicit ListRecordBuilder(TypeRecordKind Kind); 28 29 public: 30 llvm::StringRef str() { return Builder.str(); } 31 32 void reset() { 33 Builder.reset(Kind); 34 ContinuationOffsets.clear(); 35 SubrecordStart = 0; 36 } 37 38 void writeListContinuation(const ListContinuationRecord &R); 39 40 /// Writes this list record as a possible sequence of records. 41 TypeIndex writeListRecord(TypeTableBuilder &Table); 42 43 protected: 44 void finishSubRecord(); 45 46 TypeRecordBuilder &getBuilder() { return Builder; } 47 48 private: 49 size_t getLastContinuationStart() const { 50 return ContinuationOffsets.empty() ? 0 : ContinuationOffsets.back(); 51 } 52 size_t getLastContinuationEnd() const { return Builder.size(); } 53 size_t getLastContinuationSize() const { 54 return getLastContinuationEnd() - getLastContinuationStart(); 55 } 56 57 TypeRecordKind Kind; 58 TypeRecordBuilder Builder; 59 SmallVector<size_t, 4> ContinuationOffsets; 60 size_t SubrecordStart = 0; 61 }; 62 } 63 } 64 65 #endif 66
