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authorChristian Parpart <christian@ethereum.org>2018-10-15 17:52:35 +0800
committerChristian Parpart <christian@ethereum.org>2018-10-15 17:52:35 +0800
commit9a4bec7e474a310c7f93ff3b84928e0e9ba9cce6 (patch)
tree2668ab22a40aad2448081f7bf22c7235d4b4c963 /libyul/optimiser/Disambiguator.h
parentb965fd6e17f77e94afeb070a27182251b85b8ab3 (diff)
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Renaming libjulia to libyul
Diffstat (limited to 'libyul/optimiser/Disambiguator.h')
-rw-r--r--libyul/optimiser/Disambiguator.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/libyul/optimiser/Disambiguator.h b/libyul/optimiser/Disambiguator.h
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+++ b/libyul/optimiser/Disambiguator.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/>.
+*/
+/**
+ * Optimiser component that makes all identifiers unique.
+ */
+
+#pragma once
+
+#include <libyul/ASTDataForward.h>
+
+#include <libyul/optimiser/ASTCopier.h>
+#include <libyul/optimiser/NameDispenser.h>
+
+#include <libsolidity/inlineasm/AsmAnalysisInfo.h>
+
+#include <boost/variant.hpp>
+#include <boost/optional.hpp>
+
+#include <set>
+
+namespace dev
+{
+namespace julia
+{
+
+/**
+ * Creates a copy of a Yul AST replacing all identifiers by unique names.
+ */
+class Disambiguator: public ASTCopier
+{
+public:
+ Disambiguator(solidity::assembly::AsmAnalysisInfo const& _analysisInfo):
+ m_info(_analysisInfo)
+ {}
+
+protected:
+ virtual void enterScope(Block const& _block) override;
+ virtual void leaveScope(Block const& _block) override;
+ virtual void enterFunction(FunctionDefinition const& _function) override;
+ virtual void leaveFunction(FunctionDefinition const& _function) override;
+ virtual std::string translateIdentifier(std::string const& _name) override;
+
+ void enterScopeInternal(solidity::assembly::Scope& _scope);
+ void leaveScopeInternal(solidity::assembly::Scope& _scope);
+
+ solidity::assembly::AsmAnalysisInfo const& m_info;
+
+ std::vector<solidity::assembly::Scope*> m_scopes;
+ std::map<void const*, std::string> m_translations;
+ NameDispenser m_nameDispenser;
+};
+
+}
+}