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  1. //===- SymbolRecordHelpers.h ------------------------------------*- 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_SYMBOLRECORDHELPERS_H
  10. #define LLVM_DEBUGINFO_CODEVIEW_SYMBOLRECORDHELPERS_H
  11.  
  12. #include "llvm/DebugInfo/CodeView/CVRecord.h"
  13. #include "llvm/DebugInfo/CodeView/CodeView.h"
  14.  
  15. namespace llvm {
  16. namespace codeview {
  17. /// Return true if this symbol opens a scope. This implies that the symbol has
  18. /// "parent" and "end" fields, which contain the offset of the S_END or
  19. /// S_INLINESITE_END record.
  20. inline bool symbolOpensScope(SymbolKind Kind) {
  21.   switch (Kind) {
  22.   case SymbolKind::S_GPROC32:
  23.   case SymbolKind::S_LPROC32:
  24.   case SymbolKind::S_LPROC32_ID:
  25.   case SymbolKind::S_GPROC32_ID:
  26.   case SymbolKind::S_BLOCK32:
  27.   case SymbolKind::S_SEPCODE:
  28.   case SymbolKind::S_THUNK32:
  29.   case SymbolKind::S_INLINESITE:
  30.   case SymbolKind::S_INLINESITE2:
  31.     return true;
  32.   default:
  33.     break;
  34.   }
  35.   return false;
  36. }
  37.  
  38. /// Return true if this ssymbol ends a scope.
  39. inline bool symbolEndsScope(SymbolKind Kind) {
  40.   switch (Kind) {
  41.   case SymbolKind::S_END:
  42.   case SymbolKind::S_PROC_ID_END:
  43.   case SymbolKind::S_INLINESITE_END:
  44.     return true;
  45.   default:
  46.     break;
  47.   }
  48.   return false;
  49. }
  50.  
  51. /// Given a symbol P for which symbolOpensScope(P) == true, return the
  52. /// corresponding end offset.
  53. uint32_t getScopeEndOffset(const CVSymbol &Symbol);
  54. uint32_t getScopeParentOffset(const CVSymbol &Symbol);
  55.  
  56. CVSymbolArray limitSymbolArrayToScope(const CVSymbolArray &Symbols,
  57.                                       uint32_t ScopeBegin);
  58.  
  59. } // namespace codeview
  60. } // namespace llvm
  61.  
  62. #endif
  63.