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			65 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| 	This file is part of solidity.
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| 
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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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| 
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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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| 
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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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| // SPDX-License-Identifier: GPL-3.0
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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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| 
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| #pragma once
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| 
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| #include <functional>
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| #include <map>
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| #include <string>
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| #include <set>
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| 
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| namespace solidity::frontend
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| {
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| 
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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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| class MultiUseYulFunctionCollector
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| {
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| public:
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| 	/// Helper function that uses @a _creator to create a function and add it to
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| 	/// @a m_requestedFunctions if it has not been created yet and returns @a _name in both
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| 	/// cases.
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| 	std::string createFunction(std::string const& _name, std::function<std::string()> const& _creator);
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| 
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| 	std::string createFunction(
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| 		std::string const& _name,
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| 		std::function<std::string(std::vector<std::string>&, std::vector<std::string>&)> const& _creator
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| 	);
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| 
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| 	/// @returns concatenation of all generated functions in the order in which they were
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| 	/// generated.
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| 	/// Clears the internal list, i.e. calling it again will result in an
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| 	/// empty return value.
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| 	std::string requestedFunctions();
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| 
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| 	/// @returns true IFF a function with the specified name has already been collected.
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| 	bool contains(std::string const& _name) const { return m_requestedFunctions.count(_name) > 0; }
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| 
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| private:
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| 	std::set<std::string> m_requestedFunctions;
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| 	std::string m_code;
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| };
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| 
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| }
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