1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
| //===-- TypeSummary.cpp ----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/DataFormatters/TypeSummary.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-public.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/DataFormatters/ValueObjectPrinter.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Symbol/CompilerType.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
TypeSummaryOptions::TypeSummaryOptions()
: m_lang(eLanguageTypeUnknown), m_capping(eTypeSummaryCapped) {}
lldb::LanguageType TypeSummaryOptions::GetLanguage() const { return m_lang; }
lldb::TypeSummaryCapping TypeSummaryOptions::GetCapping() const {
return m_capping;
}
TypeSummaryOptions &TypeSummaryOptions::SetLanguage(lldb::LanguageType lang) {
m_lang = lang;
return *this;
}
TypeSummaryOptions &
TypeSummaryOptions::SetCapping(lldb::TypeSummaryCapping cap) {
m_capping = cap;
return *this;
}
TypeSummaryImpl::TypeSummaryImpl(Kind kind, const TypeSummaryImpl::Flags &flags)
: m_flags(flags), m_kind(kind) {}
StringSummaryFormat::StringSummaryFormat(const TypeSummaryImpl::Flags &flags,
const char *format_cstr)
: TypeSummaryImpl(Kind::eSummaryString, flags), m_format_str() {
SetSummaryString(format_cstr);
}
void StringSummaryFormat::SetSummaryString(const char *format_cstr) {
m_format.Clear();
if (format_cstr && format_cstr[0]) {
m_format_str = format_cstr;
m_error = FormatEntity::Parse(format_cstr, m_format);
} else {
m_format_str.clear();
m_error.Clear();
}
}
bool StringSummaryFormat::FormatObject(ValueObject *valobj, std::string &retval,
const TypeSummaryOptions &options) {
if (!valobj) {
retval.assign("NULL ValueObject");
return false;
}
StreamString s;
ExecutionContext exe_ctx(valobj->GetExecutionContextRef());
SymbolContext sc;
StackFrame *frame = exe_ctx.GetFramePtr();
if (frame)
sc = frame->GetSymbolContext(lldb::eSymbolContextEverything);
if (IsOneLiner()) {
ValueObjectPrinter printer(valobj, &s, DumpValueObjectOptions());
printer.PrintChildrenOneLiner(HideNames(valobj));
retval = s.GetString();
return true;
} else {
if (FormatEntity::Format(m_format, s, &sc, &exe_ctx,
&sc.line_entry.range.GetBaseAddress(), valobj,
false, false)) {
retval.assign(s.GetString());
return true;
} else {
retval.assign("error: summary string parsing error");
return false;
}
}
}
std::string StringSummaryFormat::GetDescription() {
StreamString sstr;
sstr.Printf("`%s`%s%s%s%s%s%s%s%s%s", m_format_str.c_str(),
m_error.Fail() ? " error: " : "",
m_error.Fail() ? m_error.AsCString() : "",
Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "");
return sstr.GetString();
}
CXXFunctionSummaryFormat::CXXFunctionSummaryFormat(
const TypeSummaryImpl::Flags &flags, Callback impl, const char *description)
: TypeSummaryImpl(Kind::eCallback, flags), m_impl(impl),
m_description(description ? description : "") {}
bool CXXFunctionSummaryFormat::FormatObject(ValueObject *valobj,
std::string &dest,
const TypeSummaryOptions &options) {
dest.clear();
StreamString stream;
if (!m_impl || !m_impl(*valobj, stream, options))
return false;
dest = stream.GetString();
return true;
}
std::string CXXFunctionSummaryFormat::GetDescription() {
StreamString sstr;
sstr.Printf("%s%s%s%s%s%s%s %s", Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "",
m_description.c_str());
return sstr.GetString();
}
ScriptSummaryFormat::ScriptSummaryFormat(const TypeSummaryImpl::Flags &flags,
const char *function_name,
const char *python_script)
: TypeSummaryImpl(Kind::eScript, flags), m_function_name(),
m_python_script(), m_script_function_sp() {
if (function_name)
m_function_name.assign(function_name);
if (python_script)
m_python_script.assign(python_script);
}
bool ScriptSummaryFormat::FormatObject(ValueObject *valobj, std::string &retval,
const TypeSummaryOptions &options) {
if (!valobj)
return false;
TargetSP target_sp(valobj->GetTargetSP());
if (!target_sp) {
retval.assign("error: no target");
return false;
}
ScriptInterpreter *script_interpreter =
target_sp->GetDebugger().GetScriptInterpreter();
if (!script_interpreter) {
retval.assign("error: no ScriptInterpreter");
return false;
}
return script_interpreter->GetScriptedSummary(
m_function_name.c_str(), valobj->GetSP(), m_script_function_sp, options,
retval);
}
std::string ScriptSummaryFormat::GetDescription() {
StreamString sstr;
sstr.Printf("%s%s%s%s%s%s%s\n ", Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "");
if (m_python_script.empty()) {
if (m_function_name.empty()) {
sstr.PutCString("no backing script");
} else {
sstr.PutCString(m_function_name);
}
} else {
sstr.PutCString(m_python_script);
}
return sstr.GetString();
}
|