mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
102 lines
2.9 KiB
C++
102 lines
2.9 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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* Creates an independent copy of an AST, renaming identifiers to be unique.
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*/
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#pragma once
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#include <libjulia/ASTDataForward.h>
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#include <boost/variant.hpp>
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#include <boost/optional.hpp>
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#include <vector>
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#include <set>
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namespace dev
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{
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namespace julia
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{
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/**
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* Creates a copy of a iulia AST potentially replacing identifier names.
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* Base class to be extended.
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*/
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class ASTCopier: public boost::static_visitor<Statement>
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{
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public:
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ASTCopier(Block const& _block):
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m_block(_block)
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{}
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std::shared_ptr<Block> run();
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public:
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Statement operator()(Literal const& _literal);
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Statement operator()(Instruction const& _instruction);
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Statement operator()(Identifier const& _identifier);
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Statement operator()(FunctionalInstruction const& _instr);
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Statement operator()(FunctionCall const&);
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Statement operator()(Label const& _label);
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Statement operator()(StackAssignment const& _assignment);
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Statement operator()(Assignment const& _assignment);
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Statement operator()(VariableDeclaration const& _varDecl);
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Statement operator()(If const& _if);
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Statement operator()(Switch const& _switch);
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Statement operator()(FunctionDefinition const&);
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Statement operator()(ForLoop const&);
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Statement operator()(Block const& _block);
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protected:
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template <typename T>
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std::vector<T> translateVector(std::vector<T> const& _values);
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template <typename T>
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std::shared_ptr<T> translate(std::shared_ptr<T> const& _v)
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{
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return _v ? std::make_shared<T>(translate(*_v)) : nullptr;
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}
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Statement translate(Statement const& _statement);
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Block translate(Block const& _block);
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Case translate(Case const& _case);
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Identifier translate(Identifier const& _identifier);
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Literal translate(Literal const& _literal);
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TypedName translate(TypedName const& _typedName);
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virtual void enterScope(Block const& _block) = 0;
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virtual void leaveScope(Block const& _block) = 0;
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virtual void enterFunction(FunctionDefinition const& _function) = 0;
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virtual void leaveFunction(FunctionDefinition const& _function) = 0;
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virtual std::string translateIdentifier(std::string const& _name) { return _name; }
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Block const& m_block;
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};
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template <typename T>
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std::vector<T> ASTCopier::translateVector(std::vector<T> const& _values)
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{
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std::vector<T> translated;
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for (auto const& v: _values)
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translated.emplace_back(translate(v));
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return translated;
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}
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}
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}
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