2019-03-05 16:20:28 +00:00
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/*
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This file is part of solidity.
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solidity 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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solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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2020-07-17 14:54:12 +00:00
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// SPDX-License-Identifier: GPL-3.0
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2019-03-05 16:20:28 +00:00
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/**
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* Container of (unparsed) Yul functions identified by name which are meant to be generated
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* only once.
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*/
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#include <libsolidity/codegen/MultiUseYulFunctionCollector.h>
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#include <liblangutil/Exceptions.h>
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2021-03-07 20:08:20 +00:00
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#include <libsolutil/Whiskers.h>
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#include <libsolutil/StringUtils.h>
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2019-03-05 16:20:28 +00:00
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using namespace std;
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2019-12-11 16:31:36 +00:00
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using namespace solidity;
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using namespace solidity::frontend;
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2021-03-07 20:08:20 +00:00
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using namespace solidity::util;
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2019-03-05 16:20:28 +00:00
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string MultiUseYulFunctionCollector::requestedFunctions()
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{
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2022-08-23 17:28:45 +00:00
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string result = std::move(m_code);
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2021-09-07 15:37:36 +00:00
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m_code.clear();
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2019-03-05 16:20:28 +00:00
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m_requestedFunctions.clear();
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return result;
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}
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string MultiUseYulFunctionCollector::createFunction(string const& _name, function<string ()> const& _creator)
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{
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if (!m_requestedFunctions.count(_name))
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{
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m_requestedFunctions.insert(_name);
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2019-03-05 16:20:28 +00:00
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string fun = _creator();
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solAssert(!fun.empty(), "");
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2020-09-18 11:46:02 +00:00
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solAssert(fun.find("function " + _name + "(") != string::npos, "Function not properly named.");
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2022-08-23 17:28:45 +00:00
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m_code += std::move(fun);
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2019-03-05 16:20:28 +00:00
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}
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return _name;
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}
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2021-03-07 20:08:20 +00:00
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string MultiUseYulFunctionCollector::createFunction(
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string const& _name,
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function<string(vector<string>&, vector<string>&)> const& _creator
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)
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{
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solAssert(!_name.empty(), "");
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if (!m_requestedFunctions.count(_name))
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{
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m_requestedFunctions.insert(_name);
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2021-03-07 20:08:20 +00:00
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vector<string> arguments;
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vector<string> returnParameters;
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string body = _creator(arguments, returnParameters);
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solAssert(!body.empty(), "");
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2021-09-07 15:37:36 +00:00
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m_code += Whiskers(R"(
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function <functionName>(<args>)<?+retParams> -> <retParams></+retParams> {
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<body>
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}
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)")
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("functionName", _name)
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("args", joinHumanReadable(arguments))
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("retParams", joinHumanReadable(returnParameters))
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("body", body)
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.render();
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}
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return _name;
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}
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