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Merge pull request #3455 from ethereum/codesizemetric

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Code size metric.
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chriseth 2018-02-05 17:12:55 +01:00 committed by GitHub
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52
libjulia/optimiser/Metrics.cpp Normal file
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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/>.
*/
/**
* Module providing metrics for the optimizer.
*/
#include <libjulia/optimiser/Metrics.h>
#include <libsolidity/inlineasm/AsmData.h>
using namespace dev;
using namespace dev::julia;
size_t CodeSize::codeSize(Statement const& _statement)
{
CodeSize cs;
cs.visit(_statement);
return cs.m_size;
}
size_t CodeSize::codeSize(Expression const& _expression)
{
CodeSize cs;
cs.visit(_expression);
return cs.m_size;
}
void CodeSize::visit(Statement const& _statement)
{
++m_size;
ASTWalker::visit(_statement);
}
void CodeSize::visit(Expression const& _expression)
{
++m_size;
ASTWalker::visit(_expression);
}

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libjulia/optimiser/Metrics.h Normal file
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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/>.
*/
/**
* Module providing metrics for the optimizer.
*/
#pragma once
#include <libjulia/optimiser/ASTWalker.h>
namespace dev
{
namespace julia
{
class CodeSize: public ASTWalker
{
public:
/// Returns a metric for the code size of an AST element.
/// More specifically, it returns the number of AST nodes.
static size_t codeSize(Statement const& _statement);
/// Returns a metric for the code size of an AST element.
/// More specifically, it returns the number of AST nodes.
static size_t codeSize(Expression const& _expression);
private:
virtual void visit(Statement const& _statement) override;
virtual void visit(Expression const& _expression) override;
private:
size_t m_size = 0;
};
}
}