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
|
//===-- CPlusPlusLanguage.h -------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_CPLUSPLUSLANGUAGE_H
#define LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_CPLUSPLUSLANGUAGE_H
#include <set>
#include <vector>
#include "llvm/ADT/StringRef.h"
#include "Plugins/Language/ClangCommon/ClangHighlighter.h"
#include "lldb/Target/Language.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/lldb-private.h"
namespace lldb_private {
class CPlusPlusLanguage : public Language {
ClangHighlighter m_highlighter;
public:
class MethodName {
public:
MethodName()
: m_full(), m_basename(), m_context(), m_arguments(), m_qualifiers() {}
MethodName(ConstString s)
: m_full(s), m_basename(), m_context(), m_arguments(), m_qualifiers(),
m_parsed(false), m_parse_error(false) {}
void Clear();
bool IsValid() {
if (!m_parsed)
Parse();
if (m_parse_error)
return false;
return (bool)m_full;
}
ConstString GetFullName() const { return m_full; }
std::string GetScopeQualifiedName();
llvm::StringRef GetBasename();
llvm::StringRef GetContext();
llvm::StringRef GetArguments();
llvm::StringRef GetQualifiers();
/// Returns the methods return-type.
///
/// Currently returns an empty llvm::StringRef
/// if the return-type is a function pointer.
llvm::StringRef GetReturnType();
bool ContainsPath(llvm::StringRef path);
private:
/// Returns the Basename of this method without a template parameter
/// list, if any.
///
// Examples:
//
// +--------------------------------+---------+
// | MethodName | Returns |
// +--------------------------------+---------+
// | void func() | func |
// | void func<int>() | func |
// | void func<std::vector<int>>() | func |
// +--------------------------------+---------+
llvm::StringRef GetBasenameNoTemplateParameters();
protected:
void Parse();
bool TrySimplifiedParse();
ConstString m_full; // Full name:
// "size_t lldb::SBTarget::GetBreakpointAtIndex(unsigned
// int) const"
llvm::StringRef m_basename; // Basename: "GetBreakpointAtIndex"
llvm::StringRef m_context; // Decl context: "lldb::SBTarget"
llvm::StringRef m_arguments; // Arguments: "(unsigned int)"
llvm::StringRef m_qualifiers; // Qualifiers: "const"
llvm::StringRef m_return_type; // Return type: "size_t"
bool m_parsed = false;
bool m_parse_error = false;
};
CPlusPlusLanguage() = default;
~CPlusPlusLanguage() override = default;
lldb::LanguageType GetLanguageType() const override {
return lldb::eLanguageTypeC_plus_plus;
}
std::unique_ptr<TypeScavenger> GetTypeScavenger() override;
lldb::TypeCategoryImplSP GetFormatters() override;
HardcodedFormatters::HardcodedSummaryFinder GetHardcodedSummaries() override;
HardcodedFormatters::HardcodedSyntheticFinder
GetHardcodedSynthetics() override;
bool IsNilReference(ValueObject &valobj) override;
llvm::StringRef GetNilReferenceSummaryString() override { return "nullptr"; }
bool IsSourceFile(llvm::StringRef file_path) const override;
const Highlighter *GetHighlighter() const override { return &m_highlighter; }
// Static Functions
static void Initialize();
static void Terminate();
static lldb_private::Language *CreateInstance(lldb::LanguageType language);
static llvm::StringRef GetPluginNameStatic() { return "cplusplus"; }
bool SymbolNameFitsToLanguage(Mangled mangled) const override;
bool DemangledNameContainsPath(llvm::StringRef path,
ConstString demangled) const override;
ConstString
GetDemangledFunctionNameWithoutArguments(Mangled mangled) const override;
bool GetFunctionDisplayName(const SymbolContext *sc,
const ExecutionContext *exe_ctx,
FunctionNameRepresentation representation,
Stream &s) override;
static bool IsCPPMangledName(llvm::StringRef name);
// Extract C++ context and identifier from a string using heuristic matching
// (as opposed to
// CPlusPlusLanguage::MethodName which has to have a fully qualified C++ name
// with parens and arguments.
// If the name is a lone C identifier (e.g. C) or a qualified C identifier
// (e.g. A::B::C) it will return true,
// and identifier will be the identifier (C and C respectively) and the
// context will be "" and "A::B" respectively.
// If the name fails the heuristic matching for a qualified or unqualified
// C/C++ identifier, then it will return false
// and identifier and context will be unchanged.
static bool ExtractContextAndIdentifier(const char *name,
llvm::StringRef &context,
llvm::StringRef &identifier);
std::vector<ConstString>
GenerateAlternateFunctionManglings(const ConstString mangled) const override;
ConstString FindBestAlternateFunctionMangledName(
const Mangled mangled, const SymbolContext &sym_ctx) const override;
llvm::StringRef GetInstanceVariableName() override { return "this"; }
// PluginInterface protocol
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
};
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_CPLUSPLUSLANGUAGE_H
|
