mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
/*
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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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/**
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* Yul dialect.
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*/
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#include <libyul/Dialect.h>
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#include <map>
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using namespace yul;
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using namespace std;
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namespace
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{
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void addFunction(
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map<YulString, BuiltinFunction>& _repository,
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string const& _name,
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size_t _params,
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size_t _returns,
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bool _movable
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)
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{
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_repository[YulString{_name}] = BuiltinFunction{
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YulString{_name},
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vector<Type>(_params),
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vector<Type>(_returns),
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_movable
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};
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}
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class GenericBuiltins: public Builtins
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{
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public:
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GenericBuiltins(map<YulString, BuiltinFunction> const& _functions): m_functions(_functions) {}
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BuiltinFunction const* query(YulString _name) const
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{
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auto it = m_functions.find(_name);
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if (it != end(m_functions))
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return &it->second;
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else
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return nullptr;
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}
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private:
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map<YulString, BuiltinFunction> const& m_functions;
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};
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}
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Dialect Dialect::strictAssemblyForEVMObjects()
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{
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static map<YulString, BuiltinFunction> functions;
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if (functions.empty())
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{
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addFunction(functions, "datasize", 1, 1, true);
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addFunction(functions, "dataoffset", 1, 1, true);
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addFunction(functions, "datacopy", 3, 0, false);
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}
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// The EVM instructions will be moved to builtins at some point.
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return Dialect{AsmFlavour::Strict, std::make_shared<GenericBuiltins>(functions)};
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}
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