mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
7f19f3d133
ExpressionStatement functions as glue between Statements and Expressions. This way it is possible to detect when the border between statements and expressions is crossed while walking the AST. Note that ExpressionStatement is not the only border, almost every statement can contains expressions.
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
|
|
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:
|
|
ASTPointer<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;
|
|
|
|
///@{
|
|
///@name Parsing functions for the AST nodes
|
|
ASTPointer<ContractDefinition> parseContractDefinition();
|
|
ASTPointer<FunctionDefinition> parseFunctionDefinition(bool _isPublic);
|
|
ASTPointer<StructDefinition> parseStructDefinition();
|
|
ASTPointer<VariableDeclaration> parseVariableDeclaration(bool _allowVar);
|
|
ASTPointer<TypeName> parseTypeName(bool _allowVar);
|
|
ASTPointer<Mapping> parseMapping();
|
|
ASTPointer<ParameterList> parseParameterList(bool _allowEmpty = true);
|
|
ASTPointer<Block> parseBlock();
|
|
ASTPointer<Statement> parseStatement();
|
|
ASTPointer<IfStatement> parseIfStatement();
|
|
ASTPointer<WhileStatement> parseWhileStatement();
|
|
ASTPointer<VariableDefinition> parseVariableDefinition();
|
|
ASTPointer<ExpressionStatement> parseExpressionStatement();
|
|
ASTPointer<Expression> parseExpression();
|
|
ASTPointer<Expression> parseBinaryExpression(int _minPrecedence = 4);
|
|
ASTPointer<Expression> parseUnaryExpression();
|
|
ASTPointer<Expression> parseLeftHandSideExpression();
|
|
ASTPointer<Expression> parsePrimaryExpression();
|
|
std::vector<ASTPointer<Expression>> parseFunctionCallArguments();
|
|
///@}
|
|
|
|
///@{
|
|
///@name Helper functions
|
|
|
|
/// If current token value is not _value, throw exception otherwise advance token.
|
|
void expectToken(Token::Value _value);
|
|
Token::Value expectAssignmentOperator();
|
|
ASTPointer<ASTString> expectIdentifierToken();
|
|
ASTPointer<ASTString> 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<Scanner> m_scanner;
|
|
};
|
|
|
|
}
|
|
}
|