1 //===-- OptionValueUUID.cpp -----------------------------------------------===//
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 #include "lldb/Interpreter/OptionValueUUID.h"
10 
11 #include "lldb/Core/Module.h"
12 #include "lldb/Interpreter/CommandInterpreter.h"
13 #include "lldb/Utility/Stream.h"
14 #include "lldb/Utility/StringList.h"
15 
16 using namespace lldb;
17 using namespace lldb_private;
18 
19 void OptionValueUUID::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
20                                 uint32_t dump_mask) {
21   if (dump_mask & eDumpOptionType)
22     strm.Printf("(%s)", GetTypeAsCString());
23   if (dump_mask & eDumpOptionValue) {
24     if (dump_mask & eDumpOptionType)
25       strm.PutCString(" = ");
26     m_uuid.Dump(strm);
27   }
28 }
29 
30 Status OptionValueUUID::SetValueFromString(llvm::StringRef value,
31                                            VarSetOperationType op) {
32   Status error;
33   switch (op) {
34   case eVarSetOperationClear:
35     Clear();
36     NotifyValueChanged();
37     break;
38 
39   case eVarSetOperationReplace:
40   case eVarSetOperationAssign: {
41     if (!m_uuid.SetFromStringRef(value))
42       error.SetErrorStringWithFormat("invalid uuid string value '%s'",
43                                      value.str().c_str());
44     else {
45       m_value_was_set = true;
46       NotifyValueChanged();
47     }
48   } break;
49 
50   case eVarSetOperationInsertBefore:
51   case eVarSetOperationInsertAfter:
52   case eVarSetOperationRemove:
53   case eVarSetOperationAppend:
54   case eVarSetOperationInvalid:
55     error = OptionValue::SetValueFromString(value, op);
56     break;
57   }
58   return error;
59 }
60 
61 void OptionValueUUID::AutoComplete(CommandInterpreter &interpreter,
62                                    CompletionRequest &request) {
63   ExecutionContext exe_ctx(interpreter.GetExecutionContext());
64   Target *target = exe_ctx.GetTargetPtr();
65   if (!target)
66     return;
67   auto prefix = request.GetCursorArgumentPrefix();
68   llvm::SmallVector<uint8_t, 20> uuid_bytes;
69   if (!UUID::DecodeUUIDBytesFromString(prefix, uuid_bytes).empty())
70     return;
71   const size_t num_modules = target->GetImages().GetSize();
72   for (size_t i = 0; i < num_modules; ++i) {
73     ModuleSP module_sp(target->GetImages().GetModuleAtIndex(i));
74     if (!module_sp)
75       continue;
76     const UUID &module_uuid = module_sp->GetUUID();
77     if (!module_uuid.IsValid())
78       continue;
79     request.TryCompleteCurrentArg(module_uuid.GetAsString());
80   }
81 }
82