mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
112 lines
3.0 KiB
C++
112 lines
3.0 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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// SPDX-License-Identifier: GPL-3.0
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#include <libsolidity/formal/PredicateSort.h>
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#include <libsolidity/formal/SMTEncoder.h>
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#include <libsolidity/formal/SymbolicTypes.h>
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using namespace std;
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using namespace solidity::util;
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using namespace solidity::smtutil;
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namespace solidity::frontend::smt
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{
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SortPointer interfaceSort(ContractDefinition const& _contract)
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{
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return make_shared<FunctionSort>(
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stateSorts(_contract),
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SortProvider::boolSort
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);
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}
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SortPointer nondetInterfaceSort(ContractDefinition const& _contract)
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{
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auto varSorts = stateSorts(_contract);
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return make_shared<FunctionSort>(
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varSorts + varSorts,
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SortProvider::boolSort
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);
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}
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SortPointer implicitConstructorSort()
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{
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return arity0FunctionSort();
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}
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SortPointer constructorSort(ContractDefinition const& _contract)
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{
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if (auto const* constructor = _contract.constructor())
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return functionSort(*constructor, &_contract);
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return make_shared<FunctionSort>(
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vector<SortPointer>{SortProvider::uintSort} + stateSorts(_contract),
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SortProvider::boolSort
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);
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}
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SortPointer functionSort(FunctionDefinition const& _function, ContractDefinition const* _contract)
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{
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auto smtSort = [](auto _var) { return smt::smtSortAbstractFunction(*_var->type()); };
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auto varSorts = _contract ? stateSorts(*_contract) : vector<SortPointer>{};
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auto inputSorts = applyMap(_function.parameters(), smtSort);
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auto outputSorts = applyMap(_function.returnParameters(), smtSort);
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return make_shared<FunctionSort>(
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vector<SortPointer>{SortProvider::uintSort} +
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varSorts +
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inputSorts +
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varSorts +
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inputSorts +
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outputSorts,
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SortProvider::boolSort
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);
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}
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SortPointer functionBodySort(FunctionDefinition const& _function, ContractDefinition const* _contract)
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{
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auto fSort = dynamic_pointer_cast<FunctionSort>(functionSort(_function, _contract));
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solAssert(fSort, "");
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auto smtSort = [](auto _var) { return smt::smtSortAbstractFunction(*_var->type()); };
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return make_shared<FunctionSort>(
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fSort->domain + applyMap(_function.localVariables(), smtSort),
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SortProvider::boolSort
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);
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}
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SortPointer arity0FunctionSort()
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{
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return make_shared<FunctionSort>(
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vector<SortPointer>(),
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SortProvider::boolSort
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);
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}
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/// Helpers
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vector<SortPointer> stateSorts(ContractDefinition const& _contract)
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{
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return applyMap(
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SMTEncoder::stateVariablesIncludingInheritedAndPrivate(_contract),
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[](auto _var) { return smt::smtSortAbstractFunction(*_var->type()); }
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);
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}
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}
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