1 //===-- SymbolFile.cpp ------------------------------------------*- 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 #include "lldb/Symbol/SymbolFile.h"
11 
12 #include "lldb/lldb-private.h"
13 #include "lldb/Core/Log.h"
14 #include "lldb/Core/Module.h"
15 #include "lldb/Core/PluginManager.h"
16 #include "lldb/Core/StreamString.h"
17 #include "lldb/Symbol/ObjectFile.h"
18 
19 using namespace lldb_private;
20 
21 SymbolFile*
22 SymbolFile::FindPlugin (ObjectFile* obj_file)
23 {
24     std::unique_ptr<SymbolFile> best_symfile_ap;
25     if (obj_file != NULL)
26     {
27         // TODO: Load any plug-ins in the appropriate plug-in search paths and
28         // iterate over all of them to find the best one for the job.
29 
30         uint32_t best_symfile_abilities = 0;
31 
32         SymbolFileCreateInstance create_callback;
33         for (uint32_t idx = 0; (create_callback = PluginManager::GetSymbolFileCreateCallbackAtIndex(idx)) != NULL; ++idx)
34         {
35             std::unique_ptr<SymbolFile> curr_symfile_ap(create_callback(obj_file));
36 
37             if (curr_symfile_ap.get())
38             {
39                 const uint32_t sym_file_abilities = curr_symfile_ap->GetAbilities();
40                 if (sym_file_abilities > best_symfile_abilities)
41                 {
42                     best_symfile_abilities = sym_file_abilities;
43                     best_symfile_ap.reset (curr_symfile_ap.release());
44                     // If any symbol file parser has all of the abilities, then
45                     // we should just stop looking.
46                     if ((kAllAbilities & sym_file_abilities) == kAllAbilities)
47                         break;
48                 }
49             }
50         }
51         if (best_symfile_ap.get())
52         {
53             // Let the winning symbol file parser initialize itself more
54             // completely now that it has been chosen
55             best_symfile_ap->InitializeObject();
56         }
57     }
58     return best_symfile_ap.release();
59 }
60 
61 TypeList *
62 SymbolFile::GetTypeList ()
63 {
64     if (m_obj_file)
65         return m_obj_file->GetModule()->GetTypeList();
66     return NULL;
67 }
68 
69 lldb_private::ClangASTContext &
70 SymbolFile::GetClangASTContext ()
71 {
72     return m_obj_file->GetModule()->GetClangASTContext();
73 }
74