mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
102 lines
3.1 KiB
C++
102 lines
3.1 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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// SPDX-License-Identifier: GPL-3.0
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/**
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* Yul code and data object container.
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*/
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#pragma once
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#include <libyul/ASTForward.h>
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#include <libyul/YulString.h>
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#include <libsolutil/Common.h>
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#include <memory>
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#include <set>
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namespace solidity::yul
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{
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struct Dialect;
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struct AsmAnalysisInfo;
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/**
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* Generic base class for both Yul objects and Yul data.
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*/
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struct ObjectNode
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{
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virtual ~ObjectNode() = default;
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virtual std::string toString(Dialect const* _dialect) const = 0;
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std::string toString() { return toString(nullptr); }
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/// Name of the object.
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/// Can be empty since .yul files can also just contain code, without explicitly placing it in an object.
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YulString name;
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};
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/**
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* Named data in Yul objects.
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*/
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struct Data: ObjectNode
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{
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Data(YulString _name, bytes _data): data(std::move(_data)) { name = _name; }
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std::string toString(Dialect const* _dialect) const override;
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bytes data;
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};
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/**
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* Yul code and data object container.
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*/
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struct Object: ObjectNode
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{
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public:
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/// @returns a (parseable) string representation. Includes types if @a _yul is set.
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std::string toString(Dialect const* _dialect) const override;
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/// @returns the set of names of data objects accessible from within the code of
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/// this object, including the name of object itself
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/// Handles all names containing dots as reserved identifiers, not accessible as data.
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std::set<YulString> qualifiedDataNames() const;
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/// @returns vector of subIDs if possible to reach subobject with @a _qualifiedName, throws otherwise
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/// For "B.C" should return vector of two values if success (subId of B and subId of C in B).
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/// In object "A" if called for "A.B" will return only one value (subId for B)
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/// will return empty vector for @a _qualifiedName that equals to object name.
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/// Example:
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/// A1{ B2{ C3, D3 }, E2{ F3{ G4, K4, H4{ I5 } } } }
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/// pathToSubObject("A1.E2.F3.H4") == {1, 0, 2}
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/// pathToSubObject("E2.F3.H4") == {1, 0, 2}
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/// pathToSubObject("A1.E2") == {1}
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/// The path must not lead to a @a Data object (will throw in that case).
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std::vector<size_t> pathToSubObject(YulString _qualifiedName) const;
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/// sub id for object if it is subobject of another object, max value if it is not subobject
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size_t subId = std::numeric_limits<size_t>::max();
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std::shared_ptr<Block> code;
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std::vector<std::shared_ptr<ObjectNode>> subObjects;
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std::map<YulString, size_t> subIndexByName;
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std::shared_ptr<yul::AsmAnalysisInfo> analysisInfo;
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/// @returns the name of the special metadata data object.
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static std::string metadataName() { return ".metadata"; }
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};
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}
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