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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 Christian <c@ethdev.com>
* @date 2014
* Solidity parser.
*/
#pragma once
#include "libsolidity/AST.h"
namespace dev
{
namespace solidity
{
class Scanner;
class Parser
{
public:
ptr<ContractDefinition> parse(std::shared_ptr<Scanner> const& _scanner);
private:
class ASTNodeFactory;
/// Start position of the current token
int getPosition() const;
/// End position of the current token
int getEndPosition() const;
/// Parsing functions for the AST nodes
/// @{
ptr<ContractDefinition> parseContractDefinition();
ptr<FunctionDefinition> parseFunctionDefinition(bool _isPublic);
ptr<StructDefinition> parseStructDefinition();
ptr<VariableDeclaration> parseVariableDeclaration(bool _allowVar);
ptr<TypeName> parseTypeName(bool _allowVar);
ptr<Mapping> parseMapping();
ptr<ParameterList> parseParameterList(bool _allowEmpty = true);
ptr<Block> parseBlock();
ptr<Statement> parseStatement();
ptr<IfStatement> parseIfStatement();
ptr<WhileStatement> parseWhileStatement();
ptr<VariableDefinition> parseVariableDefinition();
ptr<Expression> parseExpression();
ptr<Expression> parseBinaryExpression(int _minPrecedence = 4);
ptr<Expression> parseUnaryExpression();
ptr<Expression> parseLeftHandSideExpression();
ptr<Expression> parsePrimaryExpression();
vecptr<Expression> parseFunctionCallArguments();
/// @}
/// Helper functions
/// @{
/// If current token value is not _value, throw exception otherwise advance token.
void expectToken(Token::Value _value);
Token::Value expectAssignmentOperator();
ptr<ASTString> expectIdentifierToken();
ptr<ASTString> getLiteralAndAdvance();
void throwExpectationError(const std::string& _description);
/// @}
std::shared_ptr<Scanner> m_scanner;
};
}
}
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