mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2016
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* Solidity inline assembly parser.
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*/
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#pragma once
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#include <memory>
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#include <vector>
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#include <libsolidity/inlineasm/AsmData.h>
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#include <libsolidity/parsing/ParserBase.h>
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namespace dev
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{
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namespace solidity
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{
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namespace assembly
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{
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class Parser: public ParserBase
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{
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public:
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explicit Parser(ErrorReporter& _errorReporter, bool _julia = false): ParserBase(_errorReporter), m_julia(_julia) {}
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/// Parses an inline assembly block starting with `{` and ending with `}`.
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/// @returns an empty shared pointer on error.
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std::shared_ptr<Block> parse(std::shared_ptr<Scanner> const& _scanner);
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protected:
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using ElementaryOperation = boost::variant<assembly::Instruction, assembly::Literal, assembly::Identifier>;
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/// Creates an inline assembly node with the given source location.
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template <class T> T createWithLocation(SourceLocation const& _loc = SourceLocation()) const
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{
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T r;
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r.location = _loc;
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if (r.location.isEmpty())
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{
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r.location.start = position();
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r.location.end = endPosition();
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}
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if (!r.location.sourceName)
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r.location.sourceName = sourceName();
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return r;
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}
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SourceLocation location() const { return SourceLocation(position(), endPosition(), sourceName()); }
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Block parseBlock();
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Statement parseStatement();
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Case parseCase();
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ForLoop parseForLoop();
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/// Parses a functional expression that has to push exactly one stack element
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assembly::Expression parseExpression();
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static std::map<std::string, dev::solidity::Instruction> const& instructions();
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static std::map<dev::solidity::Instruction, std::string> const& instructionNames();
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ElementaryOperation parseElementaryOperation();
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VariableDeclaration parseVariableDeclaration();
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FunctionDefinition parseFunctionDefinition();
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assembly::Expression parseCall(ElementaryOperation&& _initialOp);
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TypedName parseTypedName();
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std::string expectAsmIdentifier();
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static bool isValidNumberLiteral(std::string const& _literal);
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private:
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bool m_julia = false;
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};
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}
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}
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}
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