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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 /libjulia/optimiser/ExpressionSplitter.cpp
parentb965fd6e17f77e94afeb070a27182251b85b8ab3 (diff)
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Renaming libjulia to libyul
Diffstat (limited to 'libjulia/optimiser/ExpressionSplitter.cpp')
-rw-r--r--libjulia/optimiser/ExpressionSplitter.cpp105
1 files changed, 0 insertions, 105 deletions
diff --git a/libjulia/optimiser/ExpressionSplitter.cpp b/libjulia/optimiser/ExpressionSplitter.cpp
deleted file mode 100644
index f189f563..00000000
--- a/libjulia/optimiser/ExpressionSplitter.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- 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 turns complex expressions into multiple variable
- * declarations.
- */
-
-#include <libjulia/optimiser/ExpressionSplitter.h>
-
-#include <libjulia/optimiser/ASTWalker.h>
-
-#include <libsolidity/inlineasm/AsmData.h>
-
-#include <libdevcore/CommonData.h>
-
-#include <boost/range/adaptor/reversed.hpp>
-
-using namespace std;
-using namespace dev;
-using namespace dev::julia;
-using namespace dev::solidity;
-
-void ExpressionSplitter::operator()(FunctionalInstruction& _instruction)
-{
- for (auto& arg: _instruction.arguments | boost::adaptors::reversed)
- outlineExpression(arg);
-}
-
-void ExpressionSplitter::operator()(FunctionCall& _funCall)
-{
- for (auto& arg: _funCall.arguments | boost::adaptors::reversed)
- outlineExpression(arg);
-}
-
-void ExpressionSplitter::operator()(If& _if)
-{
- outlineExpression(*_if.condition);
- (*this)(_if.body);
-}
-
-void ExpressionSplitter::operator()(Switch& _switch)
-{
- outlineExpression(*_switch.expression);
- for (auto& _case: _switch.cases)
- // Do not visit the case expression, nothing to break there.
- (*this)(_case.body);
-}
-
-void ExpressionSplitter::operator()(ForLoop& _loop)
-{
- (*this)(_loop.pre);
- // Do not visit the condition because we cannot break expressions there.
- (*this)(_loop.post);
- (*this)(_loop.body);
-}
-
-void ExpressionSplitter::operator()(Block& _block)
-{
- vector<Statement> saved;
- swap(saved, m_statementsToPrefix);
-
- function<boost::optional<vector<Statement>>(Statement&)> f =
- [&](Statement& _statement) -> boost::optional<vector<Statement>> {
- m_statementsToPrefix.clear();
- visit(_statement);
- if (m_statementsToPrefix.empty())
- return {};
- m_statementsToPrefix.emplace_back(std::move(_statement));
- return std::move(m_statementsToPrefix);
- };
- iterateReplacing(_block.statements, f);
-
- swap(saved, m_statementsToPrefix);
-}
-
-void ExpressionSplitter::outlineExpression(Expression& _expr)
-{
- if (_expr.type() == typeid(Identifier))
- return;
-
- visit(_expr);
-
- SourceLocation location = locationOf(_expr);
- string var = m_nameDispenser.newName("");
- m_statementsToPrefix.emplace_back(VariableDeclaration{
- location,
- {{TypedName{location, var, ""}}},
- make_shared<Expression>(std::move(_expr))
- });
- _expr = Identifier{location, var};
-}