ManualDWARFIndex.h revision 336985 
1//===-- ManulaDWARFIndex.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 LLDB_MANUALDWARFINDEX_H
11#define LLDB_MANUALDWARFINDEX_H
12
13#include "Plugins/SymbolFile/DWARF/DWARFIndex.h"
14#include "Plugins/SymbolFile/DWARF/NameToDIE.h"
15#include "llvm/ADT/DenseSet.h"
16
17namespace lldb_private {
18class ManualDWARFIndex : public DWARFIndex {
19public:
20  ManualDWARFIndex(Module &module, DWARFDebugInfo *debug_info,
21                   llvm::DenseSet<dw_offset_t> units_to_avoid = {})
22      : DWARFIndex(module), m_debug_info(debug_info),
23        m_units_to_avoid(std::move(units_to_avoid)) {}
24
25  void Preload() override { Index(); }
26
27  void GetGlobalVariables(ConstString basename, DIEArray &offsets) override;
28  void GetGlobalVariables(const RegularExpression &regex,
29                          DIEArray &offsets) override;
30  void GetGlobalVariables(const DWARFUnit &cu, DIEArray &offsets) override;
31  void GetObjCMethods(ConstString class_name, DIEArray &offsets) override;
32  void GetCompleteObjCClass(ConstString class_name, bool must_be_implementation,
33                            DIEArray &offsets) override;
34  void GetTypes(ConstString name, DIEArray &offsets) override;
35  void GetTypes(const DWARFDeclContext &context, DIEArray &offsets) override;
36  void GetNamespaces(ConstString name, DIEArray &offsets) override;
37  void GetFunctions(ConstString name, DWARFDebugInfo &info,
38                    const CompilerDeclContext &parent_decl_ctx,
39                    uint32_t name_type_mask,
40                    std::vector<DWARFDIE> &dies) override;
41  void GetFunctions(const RegularExpression &regex, DIEArray &offsets) override;
42
43  void ReportInvalidDIEOffset(dw_offset_t offset,
44                              llvm::StringRef name) override {}
45  void Dump(Stream &s) override;
46
47private:
48  struct IndexSet {
49    NameToDIE function_basenames;
50    NameToDIE function_fullnames;
51    NameToDIE function_methods;
52    NameToDIE function_selectors;
53    NameToDIE objc_class_selectors;
54    NameToDIE globals;
55    NameToDIE types;
56    NameToDIE namespaces;
57  };
58  void Index();
59  void IndexUnit(DWARFUnit &unit, IndexSet &set);
60
61  static void
62  IndexUnitImpl(DWARFUnit &unit, const lldb::LanguageType cu_language,
63                const DWARFFormValue::FixedFormSizes &fixed_form_sizes,
64                const dw_offset_t cu_offset, IndexSet &set);
65
66  /// Non-null value means we haven't built the index yet.
67  DWARFDebugInfo *m_debug_info;
68  /// Which dwarf units should we skip while building the index.
69  llvm::DenseSet<dw_offset_t> m_units_to_avoid;
70
71  IndexSet m_set;
72};
73} // namespace lldb_private
74
75#endif // LLDB_MANUALDWARFINDEX_H
76