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
|
/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Lefteris <lefteris@ethdev.com>
* @date 2015
* Converts the AST into json format
*/
#pragma once
#include <ostream>
#include <stack>
#include <libsolidity/ast/ASTVisitor.h>
#include <libsolidity/interface/Exceptions.h>
#include <libsolidity/ast/ASTAnnotations.h>
#include <json/json.h>
namespace dev
{
namespace solidity
{
/**
* Converter of the AST into JSON format
*/
class ASTJsonConverter: public ASTConstVisitor
{
public:
/// Create a converter to JSON for the given abstract syntax tree.
/// @a _legacy if true, use legacy format
/// @a _sourceIndices is used to abbreviate source names in source locations.
explicit ASTJsonConverter(
bool _legacy,
std::map<std::string, unsigned> _sourceIndices = std::map<std::string, unsigned>()
);
/// Output the json representation of the AST to _stream.
void print(std::ostream& _stream, ASTNode const& _node);
Json::Value&& toJson(ASTNode const& _node);
template <class T>
Json::Value toJson(std::vector<ASTPointer<T>> const& _nodes)
{
Json::Value ret(Json::arrayValue);
for (auto const& n: _nodes)
if (n)
appendMove(ret, toJson(*n));
else
ret.append(Json::nullValue);
return ret;
}
bool visit(SourceUnit const& _node) override;
bool visit(PragmaDirective const& _node) override;
bool visit(ImportDirective const& _node) override;
bool visit(ContractDefinition const& _node) override;
bool visit(InheritanceSpecifier const& _node) override;
bool visit(UsingForDirective const& _node) override;
bool visit(StructDefinition const& _node) override;
bool visit(EnumDefinition const& _node) override;
bool visit(EnumValue const& _node) override;
bool visit(ParameterList const& _node) override;
bool visit(FunctionDefinition const& _node) override;
bool visit(VariableDeclaration const& _node) override;
bool visit(ModifierDefinition const& _node) override;
bool visit(ModifierInvocation const& _node) override;
bool visit(EventDefinition const& _node) override;
bool visit(ElementaryTypeName const& _node) override;
bool visit(UserDefinedTypeName const& _node) override;
bool visit(FunctionTypeName const& _node) override;
bool visit(Mapping const& _node) override;
bool visit(ArrayTypeName const& _node) override;
bool visit(InlineAssembly const& _node) override;
bool visit(Block const& _node) override;
bool visit(PlaceholderStatement const& _node) override;
bool visit(IfStatement const& _node) override;
bool visit(WhileStatement const& _node) override;
bool visit(ForStatement const& _node) override;
bool visit(Continue const& _node) override;
bool visit(Break const& _node) override;
bool visit(Return const& _node) override;
bool visit(Throw const& _node) override;
bool visit(VariableDeclarationStatement const& _node) override;
bool visit(ExpressionStatement const& _node) override;
bool visit(Conditional const& _node) override;
bool visit(Assignment const& _node) override;
bool visit(TupleExpression const& _node) override;
bool visit(UnaryOperation const& _node) override;
bool visit(BinaryOperation const& _node) override;
bool visit(FunctionCall const& _node) override;
bool visit(NewExpression const& _node) override;
bool visit(MemberAccess const& _node) override;
bool visit(IndexAccess const& _node) override;
bool visit(Identifier const& _node) override;
bool visit(ElementaryTypeNameExpression const& _node) override;
bool visit(Literal const& _node) override;
void endVisit(EventDefinition const&) override;
private:
void setJsonNode(
ASTNode const& _node,
std::string const& _nodeName,
std::initializer_list<std::pair<std::string, Json::Value>>&& _attributes
);
void setJsonNode(
ASTNode const& _node,
std::string const& _nodeName,
std::vector<std::pair<std::string, Json::Value>>&& _attributes
);
std::string sourceLocationToString(SourceLocation const& _location) const;
std::string namePathToString(std::vector<ASTString> const& _namePath) const;
static Json::Value idOrNull(ASTNode const* _pt)
{
return _pt ? Json::Value(nodeId(*_pt)) : Json::nullValue;
}
Json::Value toJsonOrNull(ASTNode const* _node)
{
return _node ? toJson(*_node) : Json::nullValue;
}
Json::Value inlineAssemblyIdentifierToJson(std::pair<assembly::Identifier const* , InlineAssemblyAnnotation::ExternalIdentifierInfo> _info);
std::string location(VariableDeclaration::Location _location);
std::string contractKind(ContractDefinition::ContractKind _kind);
std::string functionCallKind(FunctionCallKind _kind);
std::string literalTokenKind(Token::Value _token);
std::string type(Expression const& _expression);
std::string type(VariableDeclaration const& _varDecl);
static int nodeId(ASTNode const& _node)
{
return _node.id();
}
template<class Container>
static Json::Value getContainerIds(Container const& container)
{
Json::Value tmp(Json::arrayValue);
for (auto const& element: container)
{
solAssert(element, "");
tmp.append(nodeId(*element));
}
return tmp;
}
Json::Value typePointerToJson(TypePointer _tp);
Json::Value typePointerToJson(std::shared_ptr<std::vector<TypePointer>> _tps);
void appendExpressionAttributes(
std::vector<std::pair<std::string, Json::Value>> &_attributes,
ExpressionAnnotation const& _annotation
);
static void appendMove(Json::Value& _array, Json::Value&& _value)
{
solAssert(_array.isArray(), "");
_array.append(std::move(_value));
}
bool m_legacy = false; ///< if true, use legacy format
bool m_inEvent = false; ///< whether we are currently inside an event or not
Json::Value m_currentValue;
std::map<std::string, unsigned> m_sourceIndices;
};
}
}
|
