mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
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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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/**
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* Dialects for Wasm.
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*/
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#include <libyul/backends/wasm/WasmDialect.h>
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using namespace std;
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using namespace yul;
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WasmDialect::WasmDialect(AsmFlavour _flavour):
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Dialect{_flavour}
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{
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for (auto const& name: {
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"i64.add",
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"i64.sub",
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"i64.mul",
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"i64.div_u",
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"i64.rem_u",
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"i64.and",
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"i64.or",
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"i64.xor",
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"i64.shl",
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"i64.shr_u",
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"i64.eq",
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"i64.ne",
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"i64.lt_u",
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"i64.gt_u",
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"i64.le_u",
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"i64.ge_u"
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})
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addFunction(name, 2, 1);
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addFunction("i64.eqz", 1, 1);
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addFunction("i64.store", 2, 0);
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addFunction("i64.load", 1, 1);
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addFunction("drop", 1, 0);
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addFunction("unreachable", 0, 0);
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}
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BuiltinFunction const* WasmDialect::builtin(YulString _name) const
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{
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auto it = m_functions.find(_name);
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if (it != m_functions.end())
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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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void WasmDialect::addFunction(string _name, size_t _params, size_t _returns)
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{
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YulString name{std::move(_name)};
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BuiltinFunction& f = m_functions[name];
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f.name = name;
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f.parameters.resize(_params);
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f.returns.resize(_returns);
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f.movable = false;
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f.literalArguments = false;
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}
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