1 //===-- OptionValueLanguage.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/OptionValueLanguage.h"
10
11 #include "lldb/DataFormatters/FormatManager.h"
12 #include "lldb/Target/Language.h"
13 #include "lldb/Symbol/TypeSystem.h"
14 #include "lldb/Utility/Args.h"
15 #include "lldb/Utility/Stream.h"
16
17 using namespace lldb;
18 using namespace lldb_private;
19
DumpValue(const ExecutionContext * exe_ctx,Stream & strm,uint32_t dump_mask)20 void OptionValueLanguage::DumpValue(const ExecutionContext *exe_ctx,
21 Stream &strm, 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 if (m_current_value != eLanguageTypeUnknown)
28 strm.PutCString(Language::GetNameForLanguageType(m_current_value));
29 }
30 }
31
SetValueFromString(llvm::StringRef value,VarSetOperationType op)32 Status OptionValueLanguage::SetValueFromString(llvm::StringRef value,
33 VarSetOperationType op) {
34 Status error;
35 switch (op) {
36 case eVarSetOperationClear:
37 Clear();
38 break;
39
40 case eVarSetOperationReplace:
41 case eVarSetOperationAssign: {
42 ConstString lang_name(value.trim());
43 LanguageSet languages_for_types = Language::GetLanguagesSupportingTypeSystems();
44 LanguageType new_type =
45 Language::GetLanguageTypeFromString(lang_name.GetStringRef());
46 if (new_type && languages_for_types[new_type]) {
47 m_value_was_set = true;
48 m_current_value = new_type;
49 } else {
50 StreamString error_strm;
51 error_strm.Printf("invalid language type '%s', ", value.str().c_str());
52 error_strm.Printf("valid values are:\n");
53 for (int bit : languages_for_types.bitvector.set_bits()) {
54 auto language = (LanguageType)bit;
55 error_strm.Printf(" %s\n",
56 Language::GetNameForLanguageType(language));
57 }
58 error.SetErrorString(error_strm.GetString());
59 }
60 } break;
61
62 case eVarSetOperationInsertBefore:
63 case eVarSetOperationInsertAfter:
64 case eVarSetOperationRemove:
65 case eVarSetOperationAppend:
66 case eVarSetOperationInvalid:
67 error = OptionValue::SetValueFromString(value, op);
68 break;
69 }
70 return error;
71 }
72