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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.cpp
parentb965fd6e17f77e94afeb070a27182251b85b8ab3 (diff)
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Renaming libjulia to libyul
Diffstat (limited to 'libyul/optimiser/Disambiguator.cpp')
-rw-r--r--libyul/optimiser/Disambiguator.cpp75
1 files changed, 75 insertions, 0 deletions
diff --git a/libyul/optimiser/Disambiguator.cpp b/libyul/optimiser/Disambiguator.cpp
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+++ b/libyul/optimiser/Disambiguator.cpp
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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.
+ */
+
+#include <libyul/optimiser/Disambiguator.h>
+
+#include <libyul/Exceptions.h>
+
+#include <libsolidity/inlineasm/AsmData.h>
+#include <libsolidity/inlineasm/AsmScope.h>
+
+using namespace std;
+using namespace dev;
+using namespace dev::julia;
+using namespace dev::solidity;
+
+using Scope = dev::solidity::assembly::Scope;
+
+string Disambiguator::translateIdentifier(string const& _originalName)
+{
+ assertThrow(!m_scopes.empty() && m_scopes.back(), OptimizerException, "");
+ Scope::Identifier const* id = m_scopes.back()->lookup(_originalName);
+ assertThrow(id, OptimizerException, "");
+ if (!m_translations.count(id))
+ m_translations[id] = m_nameDispenser.newName(_originalName);
+ return m_translations.at(id);
+}
+
+void Disambiguator::enterScope(Block const& _block)
+{
+ enterScopeInternal(*m_info.scopes.at(&_block));
+}
+
+void Disambiguator::leaveScope(Block const& _block)
+{
+ leaveScopeInternal(*m_info.scopes.at(&_block));
+}
+
+void Disambiguator::enterFunction(FunctionDefinition const& _function)
+{
+ enterScopeInternal(*m_info.scopes.at(m_info.virtualBlocks.at(&_function).get()));
+}
+
+void Disambiguator::leaveFunction(FunctionDefinition const& _function)
+{
+ leaveScopeInternal(*m_info.scopes.at(m_info.virtualBlocks.at(&_function).get()));
+}
+
+void Disambiguator::enterScopeInternal(Scope& _scope)
+{
+ m_scopes.push_back(&_scope);
+}
+
+void Disambiguator::leaveScopeInternal(Scope& _scope)
+{
+ assertThrow(!m_scopes.empty(), OptimizerException, "");
+ assertThrow(m_scopes.back() == &_scope, OptimizerException, "");
+ m_scopes.pop_back();
+}