1 //===-- FormattersHelpers.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
10
11
12 #include "lldb/DataFormatters/FormattersHelpers.h"
13 #include "lldb/Core/Module.h"
14 #include "lldb/Target/StackFrame.h"
15 #include "lldb/Target/Target.h"
16 #include "lldb/Target/Thread.h"
17 #include "lldb/Utility/ConstString.h"
18 #include "lldb/Utility/RegularExpression.h"
19
20 using namespace lldb;
21 using namespace lldb_private;
22 using namespace lldb_private::formatters;
23
AddFormat(TypeCategoryImpl::SharedPointer category_sp,lldb::Format format,llvm::StringRef type_name,TypeFormatImpl::Flags flags,bool regex)24 void lldb_private::formatters::AddFormat(
25 TypeCategoryImpl::SharedPointer category_sp, lldb::Format format,
26 llvm::StringRef type_name, TypeFormatImpl::Flags flags, bool regex) {
27 lldb::TypeFormatImplSP format_sp(new TypeFormatImpl_Format(format, flags));
28
29 FormatterMatchType match_type =
30 regex ? eFormatterMatchRegex : eFormatterMatchExact;
31 category_sp->AddTypeFormat(type_name, match_type, format_sp);
32 }
33
AddSummary(TypeCategoryImpl::SharedPointer category_sp,TypeSummaryImplSP summary_sp,llvm::StringRef type_name,bool regex)34 void lldb_private::formatters::AddSummary(
35 TypeCategoryImpl::SharedPointer category_sp, TypeSummaryImplSP summary_sp,
36 llvm::StringRef type_name, bool regex) {
37 FormatterMatchType match_type =
38 regex ? eFormatterMatchRegex : eFormatterMatchExact;
39 category_sp->AddTypeSummary(type_name, match_type, summary_sp);
40 }
41
AddStringSummary(TypeCategoryImpl::SharedPointer category_sp,const char * string,llvm::StringRef type_name,TypeSummaryImpl::Flags flags,bool regex)42 void lldb_private::formatters::AddStringSummary(
43 TypeCategoryImpl::SharedPointer category_sp, const char *string,
44 llvm::StringRef type_name, TypeSummaryImpl::Flags flags, bool regex) {
45 lldb::TypeSummaryImplSP summary_sp(new StringSummaryFormat(flags, string));
46
47 FormatterMatchType match_type =
48 regex ? eFormatterMatchRegex : eFormatterMatchExact;
49 category_sp->AddTypeSummary(type_name, match_type, summary_sp);
50 }
51
AddOneLineSummary(TypeCategoryImpl::SharedPointer category_sp,llvm::StringRef type_name,TypeSummaryImpl::Flags flags,bool regex)52 void lldb_private::formatters::AddOneLineSummary(
53 TypeCategoryImpl::SharedPointer category_sp, llvm::StringRef type_name,
54 TypeSummaryImpl::Flags flags, bool regex) {
55 flags.SetShowMembersOneLiner(true);
56 lldb::TypeSummaryImplSP summary_sp(new StringSummaryFormat(flags, ""));
57
58 FormatterMatchType match_type =
59 regex ? eFormatterMatchRegex : eFormatterMatchExact;
60 category_sp->AddTypeSummary(type_name, match_type, summary_sp);
61 }
62
AddCXXSummary(TypeCategoryImpl::SharedPointer category_sp,CXXFunctionSummaryFormat::Callback funct,const char * description,llvm::StringRef type_name,TypeSummaryImpl::Flags flags,bool regex)63 void lldb_private::formatters::AddCXXSummary(
64 TypeCategoryImpl::SharedPointer category_sp,
65 CXXFunctionSummaryFormat::Callback funct, const char *description,
66 llvm::StringRef type_name, TypeSummaryImpl::Flags flags, bool regex) {
67 lldb::TypeSummaryImplSP summary_sp(
68 new CXXFunctionSummaryFormat(flags, funct, description));
69
70 FormatterMatchType match_type =
71 regex ? eFormatterMatchRegex : eFormatterMatchExact;
72 category_sp->AddTypeSummary(type_name, match_type, summary_sp);
73 }
74
AddCXXSynthetic(TypeCategoryImpl::SharedPointer category_sp,CXXSyntheticChildren::CreateFrontEndCallback generator,const char * description,llvm::StringRef type_name,ScriptedSyntheticChildren::Flags flags,bool regex)75 void lldb_private::formatters::AddCXXSynthetic(
76 TypeCategoryImpl::SharedPointer category_sp,
77 CXXSyntheticChildren::CreateFrontEndCallback generator,
78 const char *description, llvm::StringRef type_name,
79 ScriptedSyntheticChildren::Flags flags, bool regex) {
80 lldb::SyntheticChildrenSP synth_sp(
81 new CXXSyntheticChildren(flags, description, generator));
82 FormatterMatchType match_type =
83 regex ? eFormatterMatchRegex : eFormatterMatchExact;
84 category_sp->AddTypeSynthetic(type_name, match_type, synth_sp);
85 }
86
AddFilter(TypeCategoryImpl::SharedPointer category_sp,std::vector<std::string> children,const char * description,llvm::StringRef type_name,ScriptedSyntheticChildren::Flags flags,bool regex)87 void lldb_private::formatters::AddFilter(
88 TypeCategoryImpl::SharedPointer category_sp,
89 std::vector<std::string> children, const char *description,
90 llvm::StringRef type_name, ScriptedSyntheticChildren::Flags flags,
91 bool regex) {
92 TypeFilterImplSP filter_sp(new TypeFilterImpl(flags));
93 for (auto child : children)
94 filter_sp->AddExpressionPath(child);
95 FormatterMatchType match_type =
96 regex ? eFormatterMatchRegex : eFormatterMatchExact;
97 category_sp->AddTypeFilter(type_name, match_type, filter_sp);
98 }
99
ExtractIndexFromString(const char * item_name)100 size_t lldb_private::formatters::ExtractIndexFromString(const char *item_name) {
101 if (!item_name || !*item_name)
102 return UINT32_MAX;
103 if (*item_name != '[')
104 return UINT32_MAX;
105 item_name++;
106 char *endptr = nullptr;
107 unsigned long int idx = ::strtoul(item_name, &endptr, 0);
108 if (idx == 0 && endptr == item_name)
109 return UINT32_MAX;
110 if (idx == ULONG_MAX)
111 return UINT32_MAX;
112 return idx;
113 }
114
115 Address
GetArrayAddressOrPointerValue(ValueObject & valobj)116 lldb_private::formatters::GetArrayAddressOrPointerValue(ValueObject &valobj) {
117 lldb::addr_t data_addr = LLDB_INVALID_ADDRESS;
118 AddressType type;
119
120 if (valobj.IsPointerType())
121 data_addr = valobj.GetPointerValue(&type);
122 else if (valobj.IsArrayType())
123 data_addr = valobj.GetAddressOf(/*scalar_is_load_address=*/true, &type);
124 if (data_addr != LLDB_INVALID_ADDRESS && type == eAddressTypeFile)
125 return Address(data_addr, valobj.GetModule()->GetSectionList());
126
127 return data_addr;
128 }
129