/*
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 .
*/
/**
* @author Christian
* @date 2014
* Solidity parser.
*/
#pragma once
#include "libsolidity/AST.h"
namespace dev
{
namespace solidity
{
class Scanner;
class Parser
{
public:
ASTPointer parse(std::shared_ptr const& _scanner);
std::shared_ptr const& getSourceName() const;
private:
class ASTNodeFactory;
/// Start position of the current token
int getPosition() const;
/// End position of the current token
int getEndPosition() const;
///@{
///@name Parsing functions for the AST nodes
ASTPointer parseImportDirective();
ASTPointer parseContractDefinition();
ASTPointer parseInheritanceSpecifier();
ASTPointer parseFunctionDefinition(bool _isPublic, ASTString const* _contractName);
ASTPointer parseStructDefinition();
ASTPointer parseVariableDeclaration(bool _allowVar, bool _isPublic = false, bool _isStateVar = false);
ASTPointer parseModifierDefinition();
ASTPointer parseModifierInvocation();
ASTPointer parseIdentifier();
ASTPointer parseTypeName(bool _allowVar);
ASTPointer parseMapping();
ASTPointer parseParameterList(bool _allowEmpty = true);
ASTPointer parseBlock();
ASTPointer parseStatement();
ASTPointer parseIfStatement();
ASTPointer parseWhileStatement();
ASTPointer parseForStatement();
ASTPointer parseVarDefOrExprStmt();
ASTPointer parseVariableDefinition();
ASTPointer parseExpressionStatement();
ASTPointer parseExpression();
ASTPointer parseBinaryExpression(int _minPrecedence = 4);
ASTPointer parseUnaryExpression();
ASTPointer parseLeftHandSideExpression();
ASTPointer parsePrimaryExpression();
std::vector> parseFunctionCallListArguments();
void parseFunctionCallArguments(std::vector> & _arguments, std::vector & _names);
///@}
///@{
///@name Helper functions
/// Peeks ahead in the scanner to determine if a variable definition is going to follow
bool peekVariableDefinition();
/// If current token value is not _value, throw exception otherwise advance token.
void expectToken(Token::Value _value);
Token::Value expectAssignmentOperator();
ASTPointer expectIdentifierToken();
ASTPointer getLiteralAndAdvance();
///@}
/// Creates a @ref ParserError exception and annotates it with the current position and the
/// given @a _description.
ParserError createParserError(std::string const& _description) const;
std::shared_ptr m_scanner;
/// Flag that signifies whether '_' is parsed as a PlaceholderStatement or a regular identifier.
bool m_insideModifier = false;
};
}
}