include/llvm/DebugInfo/CodeView/TypeCollection.h

   1 //===- TypeCollection.h - A collection of CodeView type records -*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_DEBUGINFO_CODEVIEW_TYPECOLLECTION_H
  10 #define LLVM_DEBUGINFO_CODEVIEW_TYPECOLLECTION_H
  11
  12 #include "llvm/ADT/StringRef.h"
  13
  14 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
  15 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
  16
  17 namespace llvm {
  18 namespace codeview {
  19 class TypeCollection {
  20 public:
  21   virtual ~TypeCollection() = default;
  22
  23   bool empty() { return size() == 0; }
  24
  25   virtual Optional<TypeIndex> getFirst() = 0;
  26   virtual Optional<TypeIndex> getNext(TypeIndex Prev) = 0;
  27
  28   virtual CVType getType(TypeIndex Index) = 0;
  29   virtual StringRef getTypeName(TypeIndex Index) = 0;
  30   virtual bool contains(TypeIndex Index) = 0;
  31   virtual uint32_t size() = 0;
  32   virtual uint32_t capacity() = 0;
  33
  34   template <typename TFunc> void ForEachRecord(TFunc Func) {
  35     Optional<TypeIndex> Next = getFirst();
  36
  37     while (Next.hasValue()) {
  38       TypeIndex N = *Next;
  39       Func(N, getType(N));
  40       Next = getNext(N);
  41     }
  42   }
  43 };
  44 }
  45 }
  46
  47 #endif