1 //===-- OptionValueUUID.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/Interpreter/OptionValueUUID.h"
11 
12 #include "lldb/Core/Module.h"
13 #include "lldb/Interpreter/CommandInterpreter.h"
14 #include "lldb/Utility/Stream.h"
15 #include "lldb/Utility/StringList.h"
16 
17 using namespace lldb;
18 using namespace lldb_private;
19 
20 void OptionValueUUID::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
21                                 uint32_t dump_mask) {
22   if (dump_mask & eDumpOptionType)
23     strm.Printf("(%s)", GetTypeAsCString());
24   if (dump_mask & eDumpOptionValue) {
25     if (dump_mask & eDumpOptionType)
26       strm.PutCString(" = ");
27     m_uuid.Dump(&strm);
28   }
29 }
30 
31 Status OptionValueUUID::SetValueFromString(llvm::StringRef value,
32                                            VarSetOperationType op) {
33   Status error;
34   switch (op) {
35   case eVarSetOperationClear:
36     Clear();
37     NotifyValueChanged();
38     break;
39 
40   case eVarSetOperationReplace:
41   case eVarSetOperationAssign: {
42     if (m_uuid.SetFromStringRef(value) == 0)
43       error.SetErrorStringWithFormat("invalid uuid string value '%s'",
44                                      value.str().c_str());
45     else {
46       m_value_was_set = true;
47       NotifyValueChanged();
48     }
49   } break;
50 
51   case eVarSetOperationInsertBefore:
52   case eVarSetOperationInsertAfter:
53   case eVarSetOperationRemove:
54   case eVarSetOperationAppend:
55   case eVarSetOperationInvalid:
56     error = OptionValue::SetValueFromString(value, op);
57     break;
58   }
59   return error;
60 }
61 
62 lldb::OptionValueSP OptionValueUUID::DeepCopy() const {
63   return OptionValueSP(new OptionValueUUID(*this));
64 }
65 
66 size_t OptionValueUUID::AutoComplete(CommandInterpreter &interpreter,
67                                      CompletionRequest &request) {
68   request.SetWordComplete(false);
69   ExecutionContext exe_ctx(interpreter.GetExecutionContext());
70   Target *target = exe_ctx.GetTargetPtr();
71   if (target) {
72     auto prefix = request.GetCursorArgumentPrefix();
73     llvm::SmallVector<uint8_t, 20> uuid_bytes;
74     if (UUID::DecodeUUIDBytesFromString(prefix, uuid_bytes).empty()) {
75       const size_t num_modules = target->GetImages().GetSize();
76       for (size_t i = 0; i < num_modules; ++i) {
77         ModuleSP module_sp(target->GetImages().GetModuleAtIndex(i));
78         if (module_sp) {
79           const UUID &module_uuid = module_sp->GetUUID();
80           if (module_uuid.IsValid()) {
81             llvm::ArrayRef<uint8_t> module_bytes = module_uuid.GetBytes();
82             if (module_bytes.size() >= uuid_bytes.size() &&
83                 module_bytes.take_front(uuid_bytes.size()).equals(uuid_bytes)) {
84               request.AddCompletion(module_uuid.GetAsString());
85             }
86           }
87         }
88       }
89     }
90   }
91   return request.GetNumberOfMatches();
92 }
93