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-rw-r--r--libjulia/optimiser/ASTCopier.h124
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diff --git a/libjulia/optimiser/ASTCopier.h b/libjulia/optimiser/ASTCopier.h
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--- a/libjulia/optimiser/ASTCopier.h
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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/>.
-*/
-/**
- * Creates an independent copy of an AST, renaming identifiers to be unique.
- */
-
-#pragma once
-
-#include <libjulia/ASTDataForward.h>
-
-#include <boost/variant.hpp>
-#include <boost/optional.hpp>
-
-#include <vector>
-#include <set>
-#include <memory>
-
-namespace dev
-{
-namespace julia
-{
-
-class ExpressionCopier: public boost::static_visitor<Expression>
-{
-public:
- virtual ~ExpressionCopier() = default;
- virtual Expression operator()(Literal const& _literal) = 0;
- virtual Expression operator()(Identifier const& _identifier) = 0;
- virtual Expression operator()(FunctionalInstruction const& _instr) = 0;
- virtual Expression operator()(FunctionCall const&) = 0;
-};
-
-class StatementCopier: public boost::static_visitor<Statement>
-{
-public:
- virtual ~StatementCopier() = default;
- virtual Statement operator()(ExpressionStatement const& _statement) = 0;
- virtual Statement operator()(Instruction const& _instruction) = 0;
- virtual Statement operator()(Label const& _label) = 0;
- virtual Statement operator()(StackAssignment const& _assignment) = 0;
- virtual Statement operator()(Assignment const& _assignment) = 0;
- virtual Statement operator()(VariableDeclaration const& _varDecl) = 0;
- virtual Statement operator()(If const& _if) = 0;
- virtual Statement operator()(Switch const& _switch) = 0;
- virtual Statement operator()(FunctionDefinition const&) = 0;
- virtual Statement operator()(ForLoop const&) = 0;
- virtual Statement operator()(Block const& _block) = 0;
-};
-
-/**
- * Creates a copy of a Yul AST potentially replacing identifier names.
- * Base class to be extended.
- */
-class ASTCopier: public ExpressionCopier, public StatementCopier
-{
-public:
- virtual ~ASTCopier() = default;
- virtual Expression operator()(Literal const& _literal) override;
- virtual Statement operator()(Instruction const& _instruction) override;
- virtual Expression operator()(Identifier const& _identifier) override;
- virtual Expression operator()(FunctionalInstruction const& _instr) override;
- virtual Expression operator()(FunctionCall const&) override;
- virtual Statement operator()(ExpressionStatement const& _statement) override;
- virtual Statement operator()(Label const& _label) override;
- virtual Statement operator()(StackAssignment const& _assignment) override;
- virtual Statement operator()(Assignment const& _assignment) override;
- virtual Statement operator()(VariableDeclaration const& _varDecl) override;
- virtual Statement operator()(If const& _if) override;
- virtual Statement operator()(Switch const& _switch) override;
- virtual Statement operator()(FunctionDefinition const&) override;
- virtual Statement operator()(ForLoop const&) override;
- virtual Statement operator()(Block const& _block) override;
-
- virtual Expression translate(Expression const& _expression);
- virtual Statement translate(Statement const& _statement);
-
-protected:
- template <typename T>
- std::vector<T> translateVector(std::vector<T> const& _values);
-
- template <typename T>
- std::shared_ptr<T> translate(std::shared_ptr<T> const& _v)
- {
- return _v ? std::make_shared<T>(translate(*_v)) : nullptr;
- }
- Block translate(Block const& _block);
- Case translate(Case const& _case);
- Identifier translate(Identifier const& _identifier);
- Literal translate(Literal const& _literal);
- TypedName translate(TypedName const& _typedName);
-
- virtual void enterScope(Block const&) { }
- virtual void leaveScope(Block const&) { }
- virtual void enterFunction(FunctionDefinition const&) { }
- virtual void leaveFunction(FunctionDefinition const&) { }
- virtual std::string translateIdentifier(std::string const& _name) { return _name; }
-};
-
-template <typename T>
-std::vector<T> ASTCopier::translateVector(std::vector<T> const& _values)
-{
- std::vector<T> translated;
- for (auto const& v: _values)
- translated.emplace_back(translate(v));
- return translated;
-}
-
-
-}
-}