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/*
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 Christian <c@ethdev.com>
* @date 2016
* Solidity inline assembly parser.
*/
#pragma once
#include <memory>
#include <vector>
#include <libsolidity/inlineasm/AsmData.h>
#include <libsolidity/parsing/ParserBase.h>
namespace dev
{
namespace solidity
{
namespace assembly
{
class Parser: public ParserBase
{
public:
explicit Parser(ErrorReporter& _errorReporter, bool _julia = false): ParserBase(_errorReporter), m_julia(_julia) {}
/// Parses an inline assembly block starting with `{` and ending with `}`.
/// @returns an empty shared pointer on error.
std::shared_ptr<Block> parse(std::shared_ptr<Scanner> const& _scanner);
protected:
/// Creates an inline assembly node with the given source location.
template <class T> T createWithLocation(SourceLocation const& _loc = SourceLocation())
{
T r;
r.location = _loc;
if (r.location.isEmpty())
{
r.location.start = position();
r.location.end = endPosition();
}
if (!r.location.sourceName)
r.location.sourceName = sourceName();
return r;
}
SourceLocation location() const { return SourceLocation(position(), endPosition(), sourceName()); }
Block parseBlock();
Statement parseStatement();
Case parseCase();
/// Parses a functional expression that has to push exactly one stack element
Statement parseExpression();
std::map<std::string, dev::solidity::Instruction> const& instructions();
Statement parseElementaryOperation(bool _onlySinglePusher = false);
VariableDeclaration parseVariableDeclaration();
FunctionDefinition parseFunctionDefinition();
Statement parseCall(Statement&& _instruction);
TypedName parseTypedName();
std::string expectAsmIdentifier();
private:
bool m_julia = false;
};
}
}
}
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