Disambiguator.

1 files changed, 101 insertions, 0 deletions

diff --git a/libjulia/optimiser/ASTCopier.h b/libjulia/optimiser/ASTCopier.h
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+++ b/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>
+
+namespace dev
+{
+namespace julia
+{
+
+/**
+ * Creates a copy of a iulia AST potentially replacing identifier names.
+ * Base class to be extended.
+ */
+class ASTCopier: public boost::static_visitor<Statement>
+{
+public:
+	ASTCopier(Block const& _block):
+		m_block(_block)
+	{}
+
+	std::shared_ptr<Block> run();
+
+public:
+	Statement operator()(Literal const& _literal);
+	Statement operator()(Instruction const& _instruction);
+	Statement operator()(Identifier const& _identifier);
+	Statement operator()(FunctionalInstruction const& _instr);
+	Statement operator()(FunctionCall const&);
+	Statement operator()(Label const& _label);
+	Statement operator()(StackAssignment const& _assignment);
+	Statement operator()(Assignment const& _assignment);
+	Statement operator()(VariableDeclaration const& _varDecl);
+	Statement operator()(If const& _if);
+	Statement operator()(Switch const& _switch);
+	Statement operator()(FunctionDefinition const&);
+	Statement operator()(ForLoop const&);
+	Statement operator()(Block const& _block);
+
+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;
+	}
+	Statement translate(Statement const& _statement);
+	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& _block) = 0;
+	virtual void leaveScope(Block const& _block) = 0;
+	virtual void enterFunction(FunctionDefinition const& _function) = 0;
+	virtual void leaveFunction(FunctionDefinition const& _function) = 0;
+	virtual std::string translateIdentifier(std::string const& _name) { return _name; }
+
+	Block const& m_block;
+};
+
+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;
+}
+
+
+}
+}