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57 lines
1.9 KiB
57 lines
1.9 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file NatspecExpressionEvaluator.cpp
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* @author Marek Kotewicz <marek@ethdev.com>
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* @date 2015
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*/
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#include <libdevcore/Log.h>
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#include <libdevcore/Exceptions.h>
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#include "NatspecExpressionEvaluator.h"
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using namespace std;
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using namespace dev;
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static QString contentsOfQResource(string const& _res)
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{
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QFile file(QString::fromStdString(_res));
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if (!file.open(QFile::ReadOnly))
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BOOST_THROW_EXCEPTION(FileError());
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QTextStream in(&file);
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return in.readAll();
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}
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NatspecExpressionEvaluator::NatspecExpressionEvaluator(QString const& _abi, QString const& _transaction, QString const& _method)
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: m_abi(_abi), m_transaction(_transaction), m_method(_method)
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{
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Q_INIT_RESOURCE(natspec);
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QJSValue result = m_engine.evaluate(contentsOfQResource(":/natspec/natspec.js"));
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if (result.isError())
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BOOST_THROW_EXCEPTION(FileError());
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m_engine.evaluate("var natspec = require('natspec')");
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}
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QString NatspecExpressionEvaluator::evalExpression(QString const& _expression)
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{
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QString call = "";
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if (!m_abi.isEmpty() && !m_transaction.isEmpty() && !m_method.isEmpty())
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call = ", {abi:" + m_abi + ", transaction:" + m_transaction + ", method: '" + m_method + "' }";
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QJSValue result = m_engine.evaluate("natspec.evaluateExpressionSafe(\"" + _expression + "\"" + call + ")");
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return result.toString();
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}
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