2014-10-13 16:22:15 +00:00
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/*
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2014-10-16 12:08:54 +00:00
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This file is part of cpp-ethereum.
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2014-10-13 16:22:15 +00:00
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2014-10-16 12:08:54 +00:00
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cpp-ethereum 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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2014-10-13 16:22:15 +00:00
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2014-10-16 12:08:54 +00:00
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cpp-ethereum 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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2014-10-13 16:22:15 +00:00
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2014-10-16 12:08:54 +00:00
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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2014-10-13 16:22:15 +00:00
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Solidity data types
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*/
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#pragma once
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#include <memory>
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#include <string>
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2014-11-20 09:19:43 +00:00
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#include <map>
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2014-10-13 16:22:15 +00:00
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#include <boost/noncopyable.hpp>
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2014-10-20 10:41:56 +00:00
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#include <libdevcore/Common.h>
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2014-11-05 13:20:56 +00:00
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#include <libsolidity/Exceptions.h>
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2014-10-20 12:00:37 +00:00
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#include <libsolidity/ASTForward.h>
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2014-10-13 16:22:15 +00:00
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#include <libsolidity/Token.h>
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2015-01-23 18:27:56 +00:00
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#include <libdevcore/UndefMacros.h>
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2015-01-21 17:21:14 +00:00
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2014-10-16 12:08:54 +00:00
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namespace dev
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{
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namespace solidity
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{
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2014-10-13 16:22:15 +00:00
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class Type; // forward
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class FunctionType; // forward
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using TypePointer = std::shared_ptr<Type const>;
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using FunctionTypePointer = std::shared_ptr<FunctionType const>;
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2014-11-25 13:43:23 +00:00
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using TypePointers = std::vector<TypePointer>;
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2015-03-13 18:48:24 +00:00
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/**
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* Helper class to compute storage offsets of members of structs and contracts.
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*/
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class StorageOffsets
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{
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public:
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/// Resets the StorageOffsets objects and determines the position in storage for each
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/// of the elements of @a _types.
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void computeOffsets(TypePointers const& _types);
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/// @returns the offset of the given member, might be null if the member is not part of storage.
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std::pair<u256, unsigned> const* getOffset(size_t _index) const;
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/// @returns the total number of slots occupied by all members.
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u256 const& getStorageSize() const { return m_storageSize; }
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private:
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u256 m_storageSize;
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std::map<size_t, std::pair<u256, unsigned>> m_offsets;
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};
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2014-11-20 09:19:43 +00:00
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/**
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* List of members of a type.
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*/
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class MemberList
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{
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public:
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using MemberMap = std::vector<std::pair<std::string, TypePointer>>;
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MemberList() {}
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explicit MemberList(MemberMap const& _members): m_memberTypes(_members) {}
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MemberList& operator=(MemberList&& _other);
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TypePointer getMemberType(std::string const& _name) const
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{
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for (auto const& it: m_memberTypes)
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if (it.first == _name)
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return it.second;
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return TypePointer();
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}
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/// @returns the offset of the given member in storage slots and bytes inside a slot or
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/// a nullptr if the member is not part of storage.
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std::pair<u256, unsigned> const* getMemberStorageOffset(std::string const& _name) const;
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/// @returns the number of storage slots occupied by the members.
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u256 const& getStorageSize() const;
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MemberMap::const_iterator begin() const { return m_memberTypes.begin(); }
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MemberMap::const_iterator end() const { return m_memberTypes.end(); }
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private:
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MemberMap m_memberTypes;
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mutable std::unique_ptr<StorageOffsets> m_storageOffsets;
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};
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2014-10-28 15:51:26 +00:00
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/**
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* Abstract base class that forms the root of the type hierarchy.
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*/
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2015-01-06 17:55:31 +00:00
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class Type: private boost::noncopyable, public std::enable_shared_from_this<Type>
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{
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public:
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enum class Category
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{
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Integer, IntegerConstant, Bool, Real, Array,
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FixedBytes, Contract, Struct, Function, Enum,
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2015-02-11 15:37:46 +00:00
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Mapping, Void, TypeType, Modifier, Magic
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};
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2015-03-05 15:54:55 +00:00
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/// @{
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/// @name Factory functions
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2014-10-23 15:06:12 +00:00
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/// Factory functions that convert an AST @ref TypeName to a Type.
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static TypePointer fromElementaryTypeName(Token::Value _typeToken);
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static TypePointer fromElementaryTypeName(std::string const& _name);
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static TypePointer fromUserDefinedTypeName(UserDefinedTypeName const& _typeName);
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static TypePointer fromMapping(ElementaryTypeName& _keyType, TypeName& _valueType);
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static TypePointer fromArrayTypeName(TypeName& _baseTypeName, Expression* _length);
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/// @}
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2014-11-04 12:24:35 +00:00
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/// Auto-detect the proper type for a literal. @returns an empty pointer if the literal does
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/// not fit any type.
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2014-12-18 17:53:43 +00:00
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static TypePointer forLiteral(Literal const& _literal);
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/// @returns a pointer to _a or _b if the other is implicitly convertible to it or nullptr otherwise
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static TypePointer commonType(TypePointer const& _a, TypePointer const& _b);
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/// Calculates the
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virtual Category getCategory() const = 0;
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virtual bool isImplicitlyConvertibleTo(Type const& _other) const { return *this == _other; }
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2014-10-20 11:02:06 +00:00
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virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const
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{
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return isImplicitlyConvertibleTo(_convertTo);
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}
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2015-01-06 18:08:24 +00:00
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/// @returns the resulting type of applying the given unary operator or an empty pointer if
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/// this is not possible.
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/// The default implementation does not allow any unary operator.
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virtual TypePointer unaryOperatorResult(Token::Value) const { return TypePointer(); }
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/// @returns the resulting type of applying the given binary operator or an empty pointer if
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/// this is not possible.
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/// The default implementation allows comparison operators if a common type exists
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virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const
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{
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return Token::isCompareOp(_operator) ? commonType(shared_from_this(), _other) : TypePointer();
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}
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2014-10-16 15:57:27 +00:00
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2014-10-20 10:41:56 +00:00
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virtual bool operator==(Type const& _other) const { return getCategory() == _other.getCategory(); }
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virtual bool operator!=(Type const& _other) const { return !this->operator ==(_other); }
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2014-10-30 17:15:25 +00:00
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/// @returns number of bytes used by this type when encoded for CALL, or 0 if the encoding
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2015-01-08 23:58:32 +00:00
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/// is not a simple big-endian encoding or the type cannot be stored in calldata.
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2015-03-05 17:22:17 +00:00
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/// If @a _padded then it is assumed that each element is padded to a multiple of 32 bytes.
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virtual unsigned getCalldataEncodedSize(bool _padded) const { (void)_padded; return 0; }
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2015-03-06 14:39:21 +00:00
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/// Convenience version of @see getCalldataEncodedSize(bool)
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2015-03-05 17:22:17 +00:00
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unsigned getCalldataEncodedSize() const { return getCalldataEncodedSize(true); }
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2015-02-15 01:00:33 +00:00
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/// @returns true if the type is dynamically encoded in calldata
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virtual bool isDynamicallySized() const { return false; }
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/// @returns the number of storage slots required to hold this value in storage.
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2014-11-07 01:06:37 +00:00
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/// For dynamically "allocated" types, it returns the size of the statically allocated head,
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virtual u256 getStorageSize() const { return 1; }
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2015-03-13 09:52:34 +00:00
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/// Multiple small types can be packed into a single storage slot. If such a packing is possible
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/// this function @returns the size in bytes smaller than 32. Data is moved to the next slot if
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/// it does not fit.
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/// In order to avoid computation at runtime of whether such moving is necessary, structs and
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/// array data (not each element) always start a new slot.
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virtual unsigned getStorageBytes() const { return 32; }
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2014-11-20 17:33:23 +00:00
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/// Returns true if the type can be stored in storage.
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virtual bool canBeStored() const { return true; }
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2014-11-10 16:31:09 +00:00
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/// Returns false if the type cannot live outside the storage, i.e. if it includes some mapping.
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virtual bool canLiveOutsideStorage() const { return true; }
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2014-11-21 18:14:56 +00:00
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/// Returns true if the type can be stored as a value (as opposed to a reference) on the stack,
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/// i.e. it behaves differently in lvalue context and in value context.
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virtual bool isValueType() const { return false; }
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2014-11-25 17:23:39 +00:00
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virtual unsigned getSizeOnStack() const { return 1; }
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2015-02-06 12:42:51 +00:00
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/// @returns the real type of some types, like e.g: IntegerConstant
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2015-02-06 19:57:04 +00:00
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virtual TypePointer getRealType() const { return shared_from_this(); }
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2014-10-30 17:15:25 +00:00
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2014-11-20 09:19:43 +00:00
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/// Returns the list of all members of this type. Default implementation: no members.
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virtual MemberList const& getMembers() const { return EmptyMemberList; }
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/// Convenience method, returns the type of the given named member or an empty pointer if no such member exists.
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2014-11-25 13:43:23 +00:00
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TypePointer getMemberType(std::string const& _name) const { return getMembers().getMemberType(_name); }
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2014-11-20 09:19:43 +00:00
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2014-10-16 15:57:27 +00:00
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virtual std::string toString() const = 0;
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2014-12-19 10:31:17 +00:00
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virtual u256 literalValue(Literal const*) const
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2014-11-05 13:20:56 +00:00
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{
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BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Literal value requested "
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"for type without literals."));
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2014-11-05 13:20:56 +00:00
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}
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2014-11-20 09:19:43 +00:00
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2015-03-17 13:21:22 +00:00
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/// Returns address of type for ABI interface
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virtual TypePointer ABIType() const { return TypePointer(); }
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2014-11-20 09:19:43 +00:00
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protected:
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/// Convenience object used when returning an empty member list.
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static const MemberList EmptyMemberList;
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2014-10-13 16:22:15 +00:00
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};
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2014-10-28 15:51:26 +00:00
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/**
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2015-03-11 16:52:18 +00:00
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* Any kind of integer type (signed, unsigned, address).
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2014-10-28 15:51:26 +00:00
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*/
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2014-10-16 21:49:45 +00:00
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class IntegerType: public Type
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2014-10-13 16:22:15 +00:00
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{
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public:
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enum class Modifier
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{
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Unsigned, Signed, Address
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2014-10-13 16:22:15 +00:00
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};
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2015-02-09 13:00:12 +00:00
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virtual Category getCategory() const override { return Category::Integer; }
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2014-10-13 16:22:15 +00:00
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2015-02-09 13:08:48 +00:00
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explicit IntegerType(int _bits, Modifier _modifier = Modifier::Unsigned);
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2014-10-13 16:22:15 +00:00
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virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
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2014-10-20 11:02:06 +00:00
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virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
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2015-01-06 18:08:24 +00:00
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virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
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2015-01-06 17:55:31 +00:00
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virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override;
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2014-10-13 16:22:15 +00:00
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2014-10-20 10:41:56 +00:00
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virtual bool operator==(Type const& _other) const override;
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2015-03-05 17:22:17 +00:00
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virtual unsigned getCalldataEncodedSize(bool _padded = true) const override { return _padded ? 32 : m_bits / 8; }
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2015-03-13 09:52:34 +00:00
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virtual unsigned getStorageBytes() const override { return m_bits / 8; }
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2014-11-21 18:14:56 +00:00
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virtual bool isValueType() const override { return true; }
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2015-03-17 13:21:22 +00:00
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virtual MemberList const& getMembers() const override { return isAddress() ? AddressMemberList : EmptyMemberList; }
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2014-10-30 17:15:25 +00:00
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2014-10-16 15:57:27 +00:00
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virtual std::string toString() const override;
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2015-03-17 13:21:22 +00:00
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virtual TypePointer ABIType() const override { return shared_from_this(); }
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2014-10-13 16:22:15 +00:00
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int getNumBits() const { return m_bits; }
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2015-02-09 13:00:12 +00:00
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bool isAddress() const { return m_modifier == Modifier::Address; }
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2015-02-09 13:08:48 +00:00
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bool isSigned() const { return m_modifier == Modifier::Signed; }
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2014-10-20 12:00:37 +00:00
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2015-01-07 21:54:56 +00:00
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static const MemberList AddressMemberList;
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2014-10-13 16:22:15 +00:00
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private:
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int m_bits;
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Modifier m_modifier;
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};
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2014-12-19 10:31:17 +00:00
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/**
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* Integer constants either literals or computed. Example expressions: 2, 2+10, ~10.
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* There is one distinct type per value.
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*/
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class IntegerConstantType: public Type
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{
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public:
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2015-02-09 13:00:12 +00:00
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virtual Category getCategory() const override { return Category::IntegerConstant; }
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2014-12-19 10:31:17 +00:00
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2015-02-06 12:38:10 +00:00
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explicit IntegerConstantType(Literal const& _literal);
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2014-12-19 10:31:17 +00:00
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explicit IntegerConstantType(bigint _value): m_value(_value) {}
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virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
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virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
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virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
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virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override;
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virtual bool operator==(Type const& _other) const override;
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virtual bool canBeStored() const override { return false; }
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virtual bool canLiveOutsideStorage() const override { return false; }
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virtual unsigned getSizeOnStack() const override { return 1; }
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virtual std::string toString() const override;
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|
|
virtual u256 literalValue(Literal const* _literal) const override;
|
2015-02-06 12:42:51 +00:00
|
|
|
virtual TypePointer getRealType() const override;
|
2015-03-17 13:21:22 +00:00
|
|
|
virtual TypePointer ABIType() const override { return shared_from_this(); }
|
2014-12-19 10:31:17 +00:00
|
|
|
|
|
|
|
/// @returns the smallest integer type that can hold the value or an empty pointer if not possible.
|
|
|
|
std::shared_ptr<IntegerType const> getIntegerType() const;
|
|
|
|
|
|
|
|
private:
|
|
|
|
bigint m_value;
|
|
|
|
};
|
|
|
|
|
2014-12-09 17:46:18 +00:00
|
|
|
/**
|
2015-03-11 16:52:18 +00:00
|
|
|
* Bytes type with fixed length of up to 32 bytes.
|
2014-12-09 17:46:18 +00:00
|
|
|
*/
|
2015-03-05 15:54:55 +00:00
|
|
|
class FixedBytesType: public Type
|
2014-12-09 17:46:18 +00:00
|
|
|
{
|
|
|
|
public:
|
2015-03-05 15:54:55 +00:00
|
|
|
virtual Category getCategory() const override { return Category::FixedBytes; }
|
2014-12-09 17:46:18 +00:00
|
|
|
|
2015-03-05 15:54:55 +00:00
|
|
|
/// @returns the smallest bytes type for the given literal or an empty pointer
|
2014-12-09 17:46:18 +00:00
|
|
|
/// if no type fits.
|
2015-03-05 15:54:55 +00:00
|
|
|
static std::shared_ptr<FixedBytesType> smallestTypeForLiteral(std::string const& _literal);
|
2014-12-09 17:46:18 +00:00
|
|
|
|
2015-03-05 15:54:55 +00:00
|
|
|
explicit FixedBytesType(int _bytes);
|
2014-12-09 17:46:18 +00:00
|
|
|
|
|
|
|
virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
|
2015-01-23 16:36:12 +00:00
|
|
|
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
|
2014-12-09 17:46:18 +00:00
|
|
|
virtual bool operator==(Type const& _other) const override;
|
2015-03-05 15:54:55 +00:00
|
|
|
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
|
|
|
|
virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override;
|
2014-12-09 17:46:18 +00:00
|
|
|
|
2015-03-05 17:22:17 +00:00
|
|
|
virtual unsigned getCalldataEncodedSize(bool _padded) const override { return _padded && m_bytes > 0 ? 32 : m_bytes; }
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual unsigned getStorageBytes() const override { return m_bytes; }
|
2014-12-09 17:46:18 +00:00
|
|
|
virtual bool isValueType() const override { return true; }
|
|
|
|
|
2015-03-05 15:54:55 +00:00
|
|
|
virtual std::string toString() const override { return "bytes" + dev::toString(m_bytes); }
|
2014-12-19 10:31:17 +00:00
|
|
|
virtual u256 literalValue(Literal const* _literal) const override;
|
2014-12-09 17:46:18 +00:00
|
|
|
|
|
|
|
int getNumBytes() const { return m_bytes; }
|
|
|
|
|
|
|
|
private:
|
|
|
|
int m_bytes;
|
|
|
|
};
|
|
|
|
|
2014-10-28 15:51:26 +00:00
|
|
|
/**
|
|
|
|
* The boolean type.
|
|
|
|
*/
|
2014-10-16 21:49:45 +00:00
|
|
|
class BoolType: public Type
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
|
|
|
public:
|
2014-12-11 13:12:49 +00:00
|
|
|
BoolType() {}
|
2015-02-09 17:45:00 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Bool; }
|
2014-10-20 11:02:06 +00:00
|
|
|
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
|
2015-01-14 12:52:03 +00:00
|
|
|
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
|
2015-01-06 17:55:31 +00:00
|
|
|
virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override;
|
2014-10-20 10:41:56 +00:00
|
|
|
|
2015-03-17 13:21:22 +00:00
|
|
|
virtual unsigned getCalldataEncodedSize(bool _padded) const override{ return _padded ? 32 : 1; }
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual unsigned getStorageBytes() const override { return 1; }
|
2014-11-21 18:14:56 +00:00
|
|
|
virtual bool isValueType() const override { return true; }
|
2014-10-30 17:15:25 +00:00
|
|
|
|
2014-10-16 15:57:27 +00:00
|
|
|
virtual std::string toString() const override { return "bool"; }
|
2014-12-19 10:31:17 +00:00
|
|
|
virtual u256 literalValue(Literal const* _literal) const override;
|
2014-10-13 16:22:15 +00:00
|
|
|
};
|
|
|
|
|
2015-02-09 17:45:00 +00:00
|
|
|
/**
|
2015-02-23 13:55:06 +00:00
|
|
|
* The type of an array. The flavours are byte array (bytes), statically- (<type>[<length>])
|
2015-02-23 13:38:44 +00:00
|
|
|
* and dynamically-sized array (<type>[]).
|
2015-03-11 17:09:35 +00:00
|
|
|
* In storage, all arrays are packed tightly (as long as more than one elementary type fits in
|
|
|
|
* one slot). Dynamically sized arrays (including byte arrays) start with their size as a uint and
|
|
|
|
* thus start on their own slot.
|
2015-02-09 17:45:00 +00:00
|
|
|
*/
|
2015-02-20 14:52:30 +00:00
|
|
|
class ArrayType: public Type
|
2015-02-09 17:45:00 +00:00
|
|
|
{
|
|
|
|
public:
|
|
|
|
enum class Location { Storage, CallData, Memory };
|
|
|
|
|
2015-02-20 14:52:30 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Array; }
|
|
|
|
|
|
|
|
/// Constructor for a byte array ("bytes")
|
|
|
|
explicit ArrayType(Location _location):
|
2015-03-16 16:52:19 +00:00
|
|
|
m_location(_location),
|
|
|
|
m_isByteArray(true),
|
|
|
|
m_baseType(std::make_shared<FixedBytesType>(8))
|
|
|
|
{}
|
2015-02-20 14:52:30 +00:00
|
|
|
/// Constructor for a dynamically sized array type ("type[]")
|
|
|
|
ArrayType(Location _location, const TypePointer &_baseType):
|
2015-03-16 16:52:19 +00:00
|
|
|
m_location(_location),
|
|
|
|
m_baseType(_baseType)
|
|
|
|
{}
|
2015-02-20 14:52:30 +00:00
|
|
|
/// Constructor for a fixed-size array type ("type[20]")
|
|
|
|
ArrayType(Location _location, const TypePointer &_baseType, u256 const& _length):
|
2015-03-16 16:52:19 +00:00
|
|
|
m_location(_location),
|
|
|
|
m_baseType(_baseType),
|
|
|
|
m_hasDynamicLength(false),
|
|
|
|
m_length(_length)
|
|
|
|
{}
|
2015-02-20 14:52:30 +00:00
|
|
|
|
2015-02-10 08:00:50 +00:00
|
|
|
virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
|
2015-02-10 13:57:01 +00:00
|
|
|
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
|
2015-02-09 17:45:00 +00:00
|
|
|
virtual bool operator==(const Type& _other) const override;
|
2015-03-05 17:22:17 +00:00
|
|
|
virtual unsigned getCalldataEncodedSize(bool _padded) const override;
|
2015-02-20 14:52:30 +00:00
|
|
|
virtual bool isDynamicallySized() const { return m_hasDynamicLength; }
|
2015-02-22 18:15:41 +00:00
|
|
|
virtual u256 getStorageSize() const override;
|
2015-02-10 13:57:01 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override;
|
2015-02-20 14:52:30 +00:00
|
|
|
virtual std::string toString() const override;
|
|
|
|
virtual MemberList const& getMembers() const override { return s_arrayTypeMemberList; }
|
2015-03-17 13:21:22 +00:00
|
|
|
virtual TypePointer ABIType() const override { return (m_baseType->ABIType() ? m_baseType->ABIType() : ABIType()); }
|
2015-02-10 13:57:01 +00:00
|
|
|
Location getLocation() const { return m_location; }
|
2015-02-20 14:52:30 +00:00
|
|
|
bool isByteArray() const { return m_isByteArray; }
|
|
|
|
TypePointer const& getBaseType() const { solAssert(!!m_baseType, ""); return m_baseType;}
|
|
|
|
u256 const& getLength() const { return m_length; }
|
2015-02-10 13:57:01 +00:00
|
|
|
|
2015-02-16 16:33:13 +00:00
|
|
|
/// @returns a copy of this type with location changed to @a _location
|
|
|
|
/// @todo this might move as far up as Type later
|
2015-02-20 14:52:30 +00:00
|
|
|
std::shared_ptr<ArrayType> copyForLocation(Location _location) const;
|
2015-02-16 16:33:13 +00:00
|
|
|
|
2015-02-09 17:45:00 +00:00
|
|
|
private:
|
|
|
|
Location m_location;
|
2015-02-20 14:52:30 +00:00
|
|
|
bool m_isByteArray = false; ///< Byte arrays ("bytes") have different semantics from ordinary arrays.
|
|
|
|
TypePointer m_baseType;
|
|
|
|
bool m_hasDynamicLength = true;
|
|
|
|
u256 m_length;
|
|
|
|
static const MemberList s_arrayTypeMemberList;
|
2015-02-09 17:45:00 +00:00
|
|
|
};
|
|
|
|
|
2014-10-28 15:51:26 +00:00
|
|
|
/**
|
|
|
|
* The type of a contract instance, there is one distinct type for each contract definition.
|
|
|
|
*/
|
2014-10-16 21:49:45 +00:00
|
|
|
class ContractType: public Type
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
|
|
|
public:
|
2015-02-09 13:00:12 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Contract; }
|
2015-01-27 13:32:59 +00:00
|
|
|
explicit ContractType(ContractDefinition const& _contract, bool _super = false):
|
|
|
|
m_contract(_contract), m_super(_super) {}
|
2015-01-07 21:54:56 +00:00
|
|
|
/// Contracts can be implicitly converted to super classes and to addresses.
|
|
|
|
virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
|
|
|
|
/// Contracts can be converted to themselves and to integers.
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
|
2015-01-14 12:52:03 +00:00
|
|
|
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
|
2014-10-20 10:41:56 +00:00
|
|
|
virtual bool operator==(Type const& _other) const override;
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual unsigned getStorageBytes() const override { return 20; }
|
2014-12-04 18:38:24 +00:00
|
|
|
virtual bool isValueType() const override { return true; }
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual std::string toString() const override;
|
2014-10-16 15:57:27 +00:00
|
|
|
|
2014-12-04 18:38:24 +00:00
|
|
|
virtual MemberList const& getMembers() const override;
|
2015-03-17 13:21:22 +00:00
|
|
|
virtual TypePointer ABIType() const override { return std::make_shared<IntegerType>(160, IntegerType::Modifier::Address); }
|
2014-12-04 18:38:24 +00:00
|
|
|
|
2015-01-27 13:32:59 +00:00
|
|
|
bool isSuper() const { return m_super; }
|
2015-01-13 17:12:19 +00:00
|
|
|
ContractDefinition const& getContractDefinition() const { return m_contract; }
|
|
|
|
|
2014-12-12 15:49:26 +00:00
|
|
|
/// Returns the function type of the constructor. Note that the location part of the function type
|
|
|
|
/// is not used, as this type cannot be the type of a variable or expression.
|
2015-01-29 15:48:39 +00:00
|
|
|
FunctionTypePointer const& getConstructorType() const;
|
2014-12-12 15:49:26 +00:00
|
|
|
|
2015-01-07 21:54:56 +00:00
|
|
|
/// @returns the identifier of the function with the given name or Invalid256 if such a name does
|
|
|
|
/// not exist.
|
2015-01-08 16:18:31 +00:00
|
|
|
u256 getFunctionIdentifier(std::string const& _functionName) const;
|
2014-12-04 18:38:24 +00:00
|
|
|
|
2015-03-16 15:15:13 +00:00
|
|
|
/// @returns a list of all state variables (including inherited) of the contract and their
|
|
|
|
/// offsets in storage.
|
|
|
|
std::vector<std::tuple<VariableDeclaration const*, u256, unsigned>> getStateVariables() const;
|
|
|
|
|
2014-10-13 16:22:15 +00:00
|
|
|
private:
|
|
|
|
ContractDefinition const& m_contract;
|
2015-01-27 13:32:59 +00:00
|
|
|
/// If true, it is the "super" type of the current contract, i.e. it contains only inherited
|
|
|
|
/// members.
|
|
|
|
bool m_super;
|
2014-12-12 15:49:26 +00:00
|
|
|
/// Type of the constructor, @see getConstructorType. Lazily initialized.
|
2015-01-29 15:48:39 +00:00
|
|
|
mutable FunctionTypePointer m_constructorType;
|
2014-12-04 18:38:24 +00:00
|
|
|
/// List of member types, will be lazy-initialized because of recursive references.
|
|
|
|
mutable std::unique_ptr<MemberList> m_members;
|
2014-10-13 16:22:15 +00:00
|
|
|
};
|
|
|
|
|
2014-10-28 15:51:26 +00:00
|
|
|
/**
|
|
|
|
* The type of a struct instance, there is one distinct type per struct definition.
|
|
|
|
*/
|
2014-10-16 21:49:45 +00:00
|
|
|
class StructType: public Type
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
|
|
|
public:
|
2015-02-09 13:00:12 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Struct; }
|
2015-01-27 13:32:59 +00:00
|
|
|
explicit StructType(StructDefinition const& _struct): m_struct(_struct) {}
|
2015-01-14 12:52:03 +00:00
|
|
|
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
|
2014-10-20 10:41:56 +00:00
|
|
|
virtual bool operator==(Type const& _other) const override;
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual u256 getStorageSize() const override;
|
|
|
|
virtual bool canLiveOutsideStorage() const override;
|
2015-03-11 17:09:35 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override { return 2; }
|
2014-11-13 00:12:57 +00:00
|
|
|
virtual std::string toString() const override;
|
|
|
|
|
2014-11-20 09:19:43 +00:00
|
|
|
virtual MemberList const& getMembers() const override;
|
|
|
|
|
2015-03-13 18:48:24 +00:00
|
|
|
std::pair<u256, unsigned> const& getStorageOffsetsOfMember(std::string const& _name) const;
|
2014-10-16 15:57:27 +00:00
|
|
|
|
2014-10-13 16:22:15 +00:00
|
|
|
private:
|
|
|
|
StructDefinition const& m_struct;
|
2014-11-20 09:19:43 +00:00
|
|
|
/// List of member types, will be lazy-initialized because of recursive references.
|
|
|
|
mutable std::unique_ptr<MemberList> m_members;
|
2014-10-13 16:22:15 +00:00
|
|
|
};
|
|
|
|
|
2015-02-11 15:37:46 +00:00
|
|
|
/**
|
|
|
|
* The type of an enum instance, there is one distinct type per enum definition.
|
|
|
|
*/
|
|
|
|
class EnumType: public Type
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
virtual Category getCategory() const override { return Category::Enum; }
|
|
|
|
explicit EnumType(EnumDefinition const& _enum): m_enum(_enum) {}
|
|
|
|
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
|
|
|
|
virtual bool operator==(Type const& _other) const override;
|
2015-02-13 21:52:04 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override { return 1; }
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual unsigned getStorageBytes() const override;
|
2015-02-11 15:37:46 +00:00
|
|
|
virtual std::string toString() const override;
|
2015-02-12 14:19:04 +00:00
|
|
|
virtual bool isValueType() const override { return true; }
|
2015-02-11 15:37:46 +00:00
|
|
|
|
2015-02-12 16:59:52 +00:00
|
|
|
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
|
2015-03-17 13:21:22 +00:00
|
|
|
virtual TypePointer ABIType() const override { return std::make_shared<IntegerType>(8 * int(getStorageBytes())); }
|
2015-02-12 16:59:52 +00:00
|
|
|
|
2015-02-12 14:19:04 +00:00
|
|
|
EnumDefinition const& getEnumDefinition() const { return m_enum; }
|
2015-02-13 22:03:32 +00:00
|
|
|
/// @returns the value that the string has in the Enum
|
|
|
|
unsigned int getMemberValue(ASTString const& _member) const;
|
2015-02-11 15:37:46 +00:00
|
|
|
|
|
|
|
private:
|
|
|
|
EnumDefinition const& m_enum;
|
|
|
|
/// List of member types, will be lazy-initialized because of recursive references.
|
|
|
|
mutable std::unique_ptr<MemberList> m_members;
|
|
|
|
};
|
|
|
|
|
2014-10-28 15:51:26 +00:00
|
|
|
/**
|
2014-11-25 13:43:23 +00:00
|
|
|
* The type of a function, identified by its (return) parameter types.
|
|
|
|
* @todo the return parameters should also have names, i.e. return parameters should be a struct
|
|
|
|
* type.
|
2014-10-28 15:51:26 +00:00
|
|
|
*/
|
2014-10-16 21:49:45 +00:00
|
|
|
class FunctionType: public Type
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
|
|
|
public:
|
2014-11-25 17:23:39 +00:00
|
|
|
/// The meaning of the value(s) on the stack referencing the function:
|
2015-01-12 11:47:37 +00:00
|
|
|
/// INTERNAL: jump tag, EXTERNAL: contract address + function identifier,
|
2014-12-10 22:01:40 +00:00
|
|
|
/// BARE: contract address (non-abi contract call)
|
2014-11-25 17:23:39 +00:00
|
|
|
/// OTHERS: special virtual function, nothing on the stack
|
2015-01-29 13:35:28 +00:00
|
|
|
/// @todo This documentation is outdated, and Location should rather be named "Type"
|
2015-02-09 13:08:48 +00:00
|
|
|
enum class Location { Internal, External, Creation, Send,
|
|
|
|
SHA3, Suicide,
|
|
|
|
ECRecover, SHA256, RIPEMD160,
|
|
|
|
Log0, Log1, Log2, Log3, Log4, Event,
|
|
|
|
SetGas, SetValue, BlockHash,
|
|
|
|
Bare };
|
2014-11-25 17:23:39 +00:00
|
|
|
|
2015-02-09 13:00:12 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Function; }
|
2014-12-04 18:38:24 +00:00
|
|
|
explicit FunctionType(FunctionDefinition const& _function, bool _isInternal = true);
|
2015-01-22 16:40:22 +00:00
|
|
|
explicit FunctionType(VariableDeclaration const& _varDecl);
|
2015-01-29 13:35:28 +00:00
|
|
|
explicit FunctionType(EventDefinition const& _event);
|
2015-01-12 12:29:16 +00:00
|
|
|
FunctionType(strings const& _parameterTypes, strings const& _returnParameterTypes,
|
2015-02-10 09:45:57 +00:00
|
|
|
Location _location = Location::Internal, bool _arbitraryParameters = false):
|
2015-01-12 12:29:16 +00:00
|
|
|
FunctionType(parseElementaryTypeVector(_parameterTypes), parseElementaryTypeVector(_returnParameterTypes),
|
2015-02-10 09:45:57 +00:00
|
|
|
_location, _arbitraryParameters) {}
|
2015-02-20 20:00:13 +00:00
|
|
|
FunctionType(
|
|
|
|
TypePointers const& _parameterTypes,
|
|
|
|
TypePointers const& _returnParameterTypes,
|
|
|
|
Location _location = Location::Internal,
|
|
|
|
bool _arbitraryParameters = false,
|
|
|
|
bool _gasSet = false,
|
|
|
|
bool _valueSet = false
|
|
|
|
):
|
|
|
|
m_parameterTypes (_parameterTypes),
|
|
|
|
m_returnParameterTypes (_returnParameterTypes),
|
|
|
|
m_location (_location),
|
|
|
|
m_arbitraryParameters (_arbitraryParameters),
|
|
|
|
m_gasSet (_gasSet),
|
|
|
|
m_valueSet (_valueSet)
|
|
|
|
{}
|
2014-10-13 16:22:15 +00:00
|
|
|
|
2014-11-25 13:43:23 +00:00
|
|
|
TypePointers const& getParameterTypes() const { return m_parameterTypes; }
|
2015-01-23 15:37:06 +00:00
|
|
|
std::vector<std::string> const& getParameterNames() const { return m_parameterNames; }
|
2015-01-29 15:39:30 +00:00
|
|
|
std::vector<std::string> const getParameterTypeNames() const;
|
2014-11-25 13:43:23 +00:00
|
|
|
TypePointers const& getReturnParameterTypes() const { return m_returnParameterTypes; }
|
2015-01-23 15:37:06 +00:00
|
|
|
std::vector<std::string> const& getReturnParameterNames() const { return m_returnParameterNames; }
|
2015-01-29 15:39:30 +00:00
|
|
|
std::vector<std::string> const getReturnParameterTypeNames() const;
|
2014-10-20 12:00:37 +00:00
|
|
|
|
2014-10-20 10:41:56 +00:00
|
|
|
virtual bool operator==(Type const& _other) const override;
|
2014-11-13 00:12:57 +00:00
|
|
|
virtual std::string toString() const override;
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool canBeStored() const override { return false; }
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual u256 getStorageSize() const override;
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool canLiveOutsideStorage() const override { return false; }
|
2014-11-25 17:23:39 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override;
|
2015-01-12 11:47:37 +00:00
|
|
|
virtual MemberList const& getMembers() const override;
|
2014-11-25 17:23:39 +00:00
|
|
|
|
2014-12-06 01:39:58 +00:00
|
|
|
Location const& getLocation() const { return m_location; }
|
2015-01-29 15:39:30 +00:00
|
|
|
/// @returns the canonical signature of this function type given the function name
|
|
|
|
/// If @a _name is not provided (empty string) then the @c m_declaration member of the
|
|
|
|
/// function type is used
|
|
|
|
std::string getCanonicalSignature(std::string const& _name = "") const;
|
2015-01-29 17:44:14 +00:00
|
|
|
Declaration const& getDeclaration() const
|
|
|
|
{
|
|
|
|
solAssert(m_declaration, "Requested declaration from a FunctionType that has none");
|
|
|
|
return *m_declaration;
|
|
|
|
}
|
|
|
|
bool hasDeclaration() const { return !!m_declaration; }
|
2015-01-29 15:39:30 +00:00
|
|
|
bool isConstant() const { return m_isConstant; }
|
|
|
|
/// @return A shared pointer of an ASTString.
|
|
|
|
/// Can contain a nullptr in which case indicates absence of documentation
|
|
|
|
ASTPointer<ASTString> getDocumentation() const;
|
2014-10-20 10:41:56 +00:00
|
|
|
|
2015-02-10 09:45:57 +00:00
|
|
|
/// true iff arguments are to be padded to multiples of 32 bytes for external calls
|
|
|
|
bool padArguments() const { return !(m_location == Location::SHA3 || m_location == Location::SHA256 || m_location == Location::RIPEMD160); }
|
|
|
|
bool takesArbitraryParameters() const { return m_arbitraryParameters; }
|
2015-01-12 11:47:37 +00:00
|
|
|
bool gasSet() const { return m_gasSet; }
|
|
|
|
bool valueSet() const { return m_valueSet; }
|
|
|
|
|
|
|
|
/// @returns a copy of this type, where gas or value are set manually. This will never set one
|
|
|
|
/// of the parameters to fals.
|
|
|
|
TypePointer copyAndSetGasOrValue(bool _setGas, bool _setValue) const;
|
|
|
|
|
2014-10-13 16:22:15 +00:00
|
|
|
private:
|
2015-01-12 12:29:16 +00:00
|
|
|
static TypePointers parseElementaryTypeVector(strings const& _types);
|
2015-01-12 11:46:52 +00:00
|
|
|
|
2014-11-25 13:43:23 +00:00
|
|
|
TypePointers m_parameterTypes;
|
|
|
|
TypePointers m_returnParameterTypes;
|
2015-01-23 15:37:06 +00:00
|
|
|
std::vector<std::string> m_parameterNames;
|
|
|
|
std::vector<std::string> m_returnParameterNames;
|
2015-01-14 10:01:42 +00:00
|
|
|
Location const m_location;
|
2015-03-03 11:58:01 +00:00
|
|
|
/// true if the function takes an arbitrary number of arguments of arbitrary types
|
2015-02-10 09:45:57 +00:00
|
|
|
bool const m_arbitraryParameters = false;
|
2015-01-14 10:01:42 +00:00
|
|
|
bool const m_gasSet = false; ///< true iff the gas value to be used is on the stack
|
|
|
|
bool const m_valueSet = false; ///< true iff the value to be sent is on the stack
|
2015-02-20 20:00:13 +00:00
|
|
|
bool m_isConstant = false;
|
2015-01-12 11:47:37 +00:00
|
|
|
mutable std::unique_ptr<MemberList> m_members;
|
2015-01-29 15:39:30 +00:00
|
|
|
Declaration const* m_declaration = nullptr;
|
2014-10-13 16:22:15 +00:00
|
|
|
};
|
|
|
|
|
2014-10-28 15:51:26 +00:00
|
|
|
/**
|
|
|
|
* The type of a mapping, there is one distinct type per key/value type pair.
|
2015-03-11 17:09:35 +00:00
|
|
|
* Mappings always occupy their own storage slot, but do not actually use it.
|
2014-10-28 15:51:26 +00:00
|
|
|
*/
|
2014-10-16 21:49:45 +00:00
|
|
|
class MappingType: public Type
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
|
|
|
public:
|
2015-02-09 13:00:12 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Mapping; }
|
2014-11-25 13:43:23 +00:00
|
|
|
MappingType(TypePointer const& _keyType, TypePointer const& _valueType):
|
2014-11-10 16:31:09 +00:00
|
|
|
m_keyType(_keyType), m_valueType(_valueType) {}
|
2014-10-16 15:57:27 +00:00
|
|
|
|
2014-10-20 10:41:56 +00:00
|
|
|
virtual bool operator==(Type const& _other) const override;
|
2014-11-13 00:12:57 +00:00
|
|
|
virtual std::string toString() const override;
|
2015-03-11 17:09:35 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override { return 2; }
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool canLiveOutsideStorage() const override { return false; }
|
2014-10-20 10:41:56 +00:00
|
|
|
|
2014-12-12 15:49:26 +00:00
|
|
|
TypePointer const& getKeyType() const { return m_keyType; }
|
|
|
|
TypePointer const& getValueType() const { return m_valueType; }
|
2014-11-13 00:12:57 +00:00
|
|
|
|
2014-10-13 16:22:15 +00:00
|
|
|
private:
|
2014-11-25 13:43:23 +00:00
|
|
|
TypePointer m_keyType;
|
|
|
|
TypePointer m_valueType;
|
2014-10-13 16:22:15 +00:00
|
|
|
};
|
|
|
|
|
2014-10-28 15:51:26 +00:00
|
|
|
/**
|
|
|
|
* The void type, can only be implicitly used as the type that is returned by functions without
|
|
|
|
* return parameters.
|
|
|
|
*/
|
2014-10-16 21:49:45 +00:00
|
|
|
class VoidType: public Type
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
|
|
|
public:
|
2015-02-09 13:00:12 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Void; }
|
2014-10-13 16:22:15 +00:00
|
|
|
VoidType() {}
|
2014-10-20 10:41:56 +00:00
|
|
|
|
2015-01-06 17:55:31 +00:00
|
|
|
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
|
2014-10-16 15:57:27 +00:00
|
|
|
virtual std::string toString() const override { return "void"; }
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool canBeStored() const override { return false; }
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual u256 getStorageSize() const override;
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool canLiveOutsideStorage() const override { return false; }
|
2014-11-25 17:23:39 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override { return 0; }
|
2014-10-13 16:22:15 +00:00
|
|
|
};
|
|
|
|
|
2014-10-28 15:51:26 +00:00
|
|
|
/**
|
|
|
|
* The type of a type reference. The type of "uint32" when used in "a = uint32(2)" is an example
|
|
|
|
* of a TypeType.
|
|
|
|
*/
|
2014-10-16 21:49:45 +00:00
|
|
|
class TypeType: public Type
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
|
|
|
public:
|
2015-02-10 08:52:19 +00:00
|
|
|
virtual Category getCategory() const override { return Category::TypeType; }
|
2015-01-27 13:32:59 +00:00
|
|
|
explicit TypeType(TypePointer const& _actualType, ContractDefinition const* _currentContract = nullptr):
|
2015-01-19 18:18:34 +00:00
|
|
|
m_actualType(_actualType), m_currentContract(_currentContract) {}
|
2014-11-25 13:43:23 +00:00
|
|
|
TypePointer const& getActualType() const { return m_actualType; }
|
2014-10-13 16:22:15 +00:00
|
|
|
|
2015-01-06 17:55:31 +00:00
|
|
|
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
|
2014-10-20 10:41:56 +00:00
|
|
|
virtual bool operator==(Type const& _other) const override;
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool canBeStored() const override { return false; }
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual u256 getStorageSize() const override;
|
2014-11-20 17:33:23 +00:00
|
|
|
virtual bool canLiveOutsideStorage() const override { return false; }
|
2015-01-28 17:19:01 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override { return 0; }
|
2014-10-16 15:57:27 +00:00
|
|
|
virtual std::string toString() const override { return "type(" + m_actualType->toString() + ")"; }
|
2015-01-19 18:18:34 +00:00
|
|
|
virtual MemberList const& getMembers() const override;
|
2014-10-16 15:57:27 +00:00
|
|
|
|
2014-10-13 16:22:15 +00:00
|
|
|
private:
|
2014-11-25 13:43:23 +00:00
|
|
|
TypePointer m_actualType;
|
2015-01-19 18:18:34 +00:00
|
|
|
/// Context in which this type is used (influences visibility etc.), can be nullptr.
|
|
|
|
ContractDefinition const* m_currentContract;
|
|
|
|
/// List of member types, will be lazy-initialized because of recursive references.
|
|
|
|
mutable std::unique_ptr<MemberList> m_members;
|
2014-10-13 16:22:15 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
2015-01-22 00:02:38 +00:00
|
|
|
/**
|
|
|
|
* The type of a function modifier. Not used for anything for now.
|
|
|
|
*/
|
|
|
|
class ModifierType: public Type
|
|
|
|
{
|
|
|
|
public:
|
2015-02-09 13:00:12 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Modifier; }
|
2015-01-22 00:02:38 +00:00
|
|
|
explicit ModifierType(ModifierDefinition const& _modifier);
|
|
|
|
|
|
|
|
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
|
|
|
|
virtual bool canBeStored() const override { return false; }
|
2015-03-13 09:52:34 +00:00
|
|
|
virtual u256 getStorageSize() const override;
|
2015-01-22 00:02:38 +00:00
|
|
|
virtual bool canLiveOutsideStorage() const override { return false; }
|
2015-01-28 17:19:01 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override { return 0; }
|
2015-01-22 00:02:38 +00:00
|
|
|
virtual bool operator==(Type const& _other) const override;
|
|
|
|
virtual std::string toString() const override;
|
|
|
|
|
|
|
|
private:
|
|
|
|
TypePointers m_parameterTypes;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
2014-11-24 12:23:58 +00:00
|
|
|
/**
|
|
|
|
* Special type for magic variables (block, msg, tx), similar to a struct but without any reference
|
|
|
|
* (it always references a global singleton by name).
|
|
|
|
*/
|
|
|
|
class MagicType: public Type
|
|
|
|
{
|
|
|
|
public:
|
2015-02-09 13:08:48 +00:00
|
|
|
enum class Kind { Block, Message, Transaction };
|
2015-02-09 13:00:12 +00:00
|
|
|
virtual Category getCategory() const override { return Category::Magic; }
|
2014-11-24 12:23:58 +00:00
|
|
|
|
2015-01-27 13:32:59 +00:00
|
|
|
explicit MagicType(Kind _kind);
|
2015-01-06 17:55:31 +00:00
|
|
|
|
|
|
|
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override
|
|
|
|
{
|
|
|
|
return TypePointer();
|
|
|
|
}
|
|
|
|
|
2014-11-24 12:23:58 +00:00
|
|
|
virtual bool operator==(Type const& _other) const;
|
|
|
|
virtual bool canBeStored() const override { return false; }
|
|
|
|
virtual bool canLiveOutsideStorage() const override { return true; }
|
2014-11-25 17:23:39 +00:00
|
|
|
virtual unsigned getSizeOnStack() const override { return 0; }
|
2014-11-24 12:23:58 +00:00
|
|
|
virtual MemberList const& getMembers() const override { return m_members; }
|
|
|
|
|
|
|
|
virtual std::string toString() const override;
|
|
|
|
|
|
|
|
private:
|
|
|
|
Kind m_kind;
|
|
|
|
|
|
|
|
MemberList m_members;
|
|
|
|
};
|
|
|
|
|
2014-10-16 12:08:54 +00:00
|
|
|
}
|
|
|
|
}
|