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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. 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/ASTVisitor.h>
#include <libsolidity/Exceptions.h>
#include <libsolidity/Utils.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.
ASTJsonConverter(ASTNode const& _ast);
/// Output the json representation of the AST to _stream.
void print(std::ostream& _stream);
Json::Value const& json();
bool visit(ImportDirective const& _node) override;
bool visit(ContractDefinition const& _node) override;
bool visit(StructDefinition const& _node) override;
bool visit(ParameterList const& _node) override;
bool visit(FunctionDefinition const& _node) override;
bool visit(VariableDeclaration const& _node) override;
bool visit(TypeName const& _node) override;
bool visit(ElementaryTypeName const& _node) override;
bool visit(UserDefinedTypeName const& _node) override;
bool visit(Mapping const& _node) override;
bool visit(Block 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(VariableDeclarationStatement const& _node) override;
bool visit(ExpressionStatement const& _node) override;
bool visit(Assignment 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(ImportDirective const&) override;
void endVisit(ContractDefinition const&) override;
void endVisit(StructDefinition const&) override;
void endVisit(ParameterList const&) override;
void endVisit(FunctionDefinition const&) override;
void endVisit(VariableDeclaration const&) override;
void endVisit(TypeName const&) override;
void endVisit(ElementaryTypeName const&) override;
void endVisit(UserDefinedTypeName const&) override;
void endVisit(Mapping const&) override;
void endVisit(Block const&) override;
void endVisit(IfStatement const&) override;
void endVisit(WhileStatement const&) override;
void endVisit(ForStatement const&) override;
void endVisit(Continue const&) override;
void endVisit(Break const&) override;
void endVisit(Return const&) override;
void endVisit(VariableDeclarationStatement const&) override;
void endVisit(ExpressionStatement const&) override;
void endVisit(Assignment const&) override;
void endVisit(UnaryOperation const&) override;
void endVisit(BinaryOperation const&) override;
void endVisit(FunctionCall const&) override;
void endVisit(NewExpression const&) override;
void endVisit(MemberAccess const&) override;
void endVisit(IndexAccess const&) override;
void endVisit(Identifier const&) override;
void endVisit(ElementaryTypeNameExpression const&) override;
void endVisit(Literal const&) override;
private:
void process();
void addKeyValue(Json::Value& _obj, std::string const& _key, std::string const& _val);
void addJsonNode(std::string const& _nodeName,
std::initializer_list<std::pair<std::string const, std::string const>> _list,
bool _hasChildren);
std::string getType(Expression const& _expression);
inline void goUp()
{
solAssert(!m_jsonNodePtrs.empty(), "Uneven json nodes stack. Internal error.");
m_jsonNodePtrs.pop();
}
bool processed = false;
Json::Value m_astJson;
std::stack<Json::Value*> m_jsonNodePtrs;
std::string m_source;
ASTNode const* m_ast;
};
}
}
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