1//===-- OptionValueEnumeration.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/OptionValueEnumeration.h"
10
11#include "lldb/Utility/StringList.h"
12
13using namespace lldb;
14using namespace lldb_private;
15
16OptionValueEnumeration::OptionValueEnumeration(
17 const OptionEnumValues &enumerators, enum_type value)
18 : m_current_value(value), m_default_value(value) {
19 SetEnumerations(enumerators);
20}
21
22void OptionValueEnumeration::DumpValue(const ExecutionContext *exe_ctx,
23 Stream &strm, uint32_t dump_mask) {
24 if (dump_mask & eDumpOptionType)
25 strm.Printf(format: "(%s)", GetTypeAsCString());
26 if (dump_mask & eDumpOptionValue) {
27 if (dump_mask & eDumpOptionType)
28 strm.PutCString(cstr: " = ");
29 const size_t count = m_enumerations.GetSize();
30 for (size_t i = 0; i < count; ++i) {
31 if (m_enumerations.GetValueAtIndexUnchecked(idx: i).value == m_current_value) {
32 strm.PutCString(cstr: m_enumerations.GetCStringAtIndex(idx: i).GetStringRef());
33 return;
34 }
35 }
36 strm.Printf(format: "%" PRIu64, (uint64_t)m_current_value);
37 }
38}
39
40Status OptionValueEnumeration::SetValueFromString(llvm::StringRef value,
41 VarSetOperationType op) {
42 Status error;
43 switch (op) {
44 case eVarSetOperationClear:
45 Clear();
46 NotifyValueChanged();
47 break;
48
49 case eVarSetOperationReplace:
50 case eVarSetOperationAssign: {
51 ConstString const_enumerator_name(value.trim());
52 const EnumerationMapEntry *enumerator_entry =
53 m_enumerations.FindFirstValueForName(unique_cstr: const_enumerator_name);
54 if (enumerator_entry) {
55 m_current_value = enumerator_entry->value.value;
56 NotifyValueChanged();
57 } else {
58 StreamString error_strm;
59 error_strm.Printf(format: "invalid enumeration value '%s'", value.str().c_str());
60 const size_t count = m_enumerations.GetSize();
61 if (count) {
62 error_strm.Printf(format: ", valid values are: %s",
63 m_enumerations.GetCStringAtIndex(idx: 0).GetCString());
64 for (size_t i = 1; i < count; ++i) {
65 error_strm.Printf(format: ", %s",
66 m_enumerations.GetCStringAtIndex(idx: i).GetCString());
67 }
68 }
69 error.SetErrorString(error_strm.GetString());
70 }
71 break;
72 }
73
74 case eVarSetOperationInsertBefore:
75 case eVarSetOperationInsertAfter:
76 case eVarSetOperationRemove:
77 case eVarSetOperationAppend:
78 case eVarSetOperationInvalid:
79 error = OptionValue::SetValueFromString(value, op);
80 break;
81 }
82 return error;
83}
84
85void OptionValueEnumeration::SetEnumerations(
86 const OptionEnumValues &enumerators) {
87 m_enumerations.Clear();
88
89 for (const auto &enumerator : enumerators) {
90 ConstString const_enumerator_name(enumerator.string_value);
91 EnumeratorInfo enumerator_info = {.value: enumerator.value, .description: enumerator.usage};
92 m_enumerations.Append(unique_cstr: const_enumerator_name, value: enumerator_info);
93 }
94
95 m_enumerations.Sort();
96}
97
98void OptionValueEnumeration::AutoComplete(CommandInterpreter &interpreter,
99 CompletionRequest &request) {
100 const uint32_t num_enumerators = m_enumerations.GetSize();
101 if (!request.GetCursorArgumentPrefix().empty()) {
102 for (size_t i = 0; i < num_enumerators; ++i) {
103 llvm::StringRef name = m_enumerations.GetCStringAtIndex(idx: i).GetStringRef();
104 request.TryCompleteCurrentArg(completion: name);
105 }
106 return;
107 }
108 for (size_t i = 0; i < num_enumerators; ++i)
109 request.AddCompletion(completion: m_enumerations.GetCStringAtIndex(idx: i).GetStringRef());
110}
111

source code of lldb/source/Interpreter/OptionValueEnumeration.cpp