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::auto_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         //----------------------------------------------------------------------
31         // We currently only have one debug symbol parser...
32         //----------------------------------------------------------------------
33         uint32_t best_symfile_abilities = 0;
34 
35         SymbolFileCreateInstance create_callback;
36         for (uint32_t idx = 0; (create_callback = PluginManager::GetSymbolFileCreateCallbackAtIndex(idx)) != NULL; ++idx)
37         {
38             std::auto_ptr<SymbolFile> curr_symfile_ap(create_callback(obj_file));
39 
40             if (curr_symfile_ap.get())
41             {
42                 uint32_t sym_file_abilities = curr_symfile_ap->GetAbilities();
43                 if (sym_file_abilities > best_symfile_abilities)
44                 {
45                     best_symfile_abilities = sym_file_abilities;
46                     best_symfile_ap = curr_symfile_ap;
47                 }
48             }
49         }
50         if (best_symfile_ap.get())
51         {
52             // Let the winning symbol file parser initialize itself more
53             // completely now that it has been chosen
54             best_symfile_ap->InitializeObject();
55         }
56     }
57     return best_symfile_ap.release();
58 }
59 
60 TypeList *
61 SymbolFile::GetTypeList ()
62 {
63     if (m_obj_file)
64         return m_obj_file->GetModule()->GetTypeList();
65     return NULL;
66 }
67 
68 lldb_private::ClangASTContext &
69 SymbolFile::GetClangASTContext ()
70 {
71     return m_obj_file->GetModule()->GetClangASTContext();
72 }
73 
74 
75 void
76 SymbolFile::ReportError (const char *format, ...)
77 {
78     StreamString module_description;
79     m_obj_file->GetModule()->GetDescription (&module_description, lldb::eDescriptionLevelBrief);
80     ::fprintf (stderr, "error: %s ", module_description.GetString().c_str());
81 
82     va_list args;
83     va_start (args, format);
84     vfprintf (stderr, format, args);
85     va_end (args);
86 }
87 
88 void
89 SymbolFile::ReportWarning (const char *format, ...)
90 {
91     StreamString module_description;
92     m_obj_file->GetModule()->GetDescription (&module_description, lldb::eDescriptionLevelBrief);
93     ::fprintf (stderr, "warning: %s ", module_description.GetString().c_str());
94 
95     va_list args;
96     va_start (args, format);
97     vfprintf (stderr, format, args);
98     va_end (args);
99 }
100 
101 void
102 SymbolFile::LogMessage (Log *log, const char *format, ...)
103 {
104     if (log)
105     {
106         StreamString log_message;
107         m_obj_file->GetModule()->GetDescription (&log_message, lldb::eDescriptionLevelBrief);
108         log_message.PutChar(' ');
109         va_list args;
110         va_start (args, format);
111         log_message.PrintfVarArg (format, args);
112         va_end (args);
113         log->PutCString (log_message.GetString().c_str());
114     }
115 }
116