2014-10-07 16:25:04 +00:00
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/*
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2019-02-13 15:56:46 +00:00
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This file is part of solidity.
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2014-10-07 16:25:04 +00:00
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2019-02-13 15:56:46 +00:00
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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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2014-10-07 16:25:04 +00:00
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2019-02-13 15:56:46 +00:00
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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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2014-10-07 16:25:04 +00:00
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2019-02-13 15:56:46 +00:00
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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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2014-10-07 16:25:04 +00:00
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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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2014-10-07 16:25:04 +00:00
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Solidity abstract syntax tree.
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*/
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2015-10-20 22:21:52 +00:00
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#include <libsolidity/ast/AST.h>
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2018-12-17 14:33:15 +00:00
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2015-10-20 22:21:52 +00:00
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#include <libsolidity/ast/ASTVisitor.h>
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#include <libsolidity/ast/AST_accept.h>
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2019-04-15 13:33:39 +00:00
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#include <libsolidity/ast/TypeProvider.h>
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2020-01-06 10:52:23 +00:00
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#include <libsolutil/Keccak256.h>
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2015-01-07 15:39:21 +00:00
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2017-01-24 16:38:06 +00:00
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#include <boost/algorithm/string.hpp>
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2020-04-01 03:04:29 +00:00
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2017-01-24 16:38:06 +00:00
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#include <algorithm>
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#include <functional>
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2020-04-01 03:04:29 +00:00
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#include <utility>
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2017-01-24 16:38:06 +00:00
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2014-10-24 17:06:30 +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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2014-10-24 17:06:30 +00:00
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2020-04-01 03:04:29 +00:00
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ASTNode::ASTNode(int64_t _id, SourceLocation _location):
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2020-06-02 13:42:46 +00:00
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m_id(static_cast<size_t>(_id)),
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2020-04-01 03:04:29 +00:00
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m_location(std::move(_location))
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2014-10-16 12:08:54 +00:00
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{
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2014-10-23 17:22:30 +00:00
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}
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2015-09-21 16:55:58 +00:00
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ASTAnnotation& ASTNode::annotation() const
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{
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if (!m_annotation)
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2019-11-27 17:03:09 +00:00
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m_annotation = make_unique<ASTAnnotation>();
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2015-09-21 16:55:58 +00:00
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return *m_annotation;
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2015-01-22 00:02:38 +00:00
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}
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2015-12-15 14:46:03 +00:00
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SourceUnitAnnotation& SourceUnit::annotation() const
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{
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2019-12-21 04:10:01 +00:00
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return initAnnotation<SourceUnitAnnotation>();
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2015-12-15 14:46:03 +00:00
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}
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2017-07-13 00:07:23 +00:00
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set<SourceUnit const*> SourceUnit::referencedSourceUnits(bool _recurse, set<SourceUnit const*> _skipList) const
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2017-07-12 23:08:28 +00:00
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{
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2017-07-12 23:17:25 +00:00
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set<SourceUnit const*> sourceUnits;
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2017-07-12 23:08:28 +00:00
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for (ImportDirective const* importDirective: filteredNodes<ImportDirective>(nodes()))
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{
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2017-07-13 00:07:23 +00:00
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auto const& sourceUnit = importDirective->annotation().sourceUnit;
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if (!_skipList.count(sourceUnit))
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2017-07-12 23:17:25 +00:00
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{
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2017-07-13 00:07:23 +00:00
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_skipList.insert(sourceUnit);
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sourceUnits.insert(sourceUnit);
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if (_recurse)
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2017-07-13 23:17:52 +00:00
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sourceUnits += sourceUnit->referencedSourceUnits(true, _skipList);
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2017-07-12 23:17:25 +00:00
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}
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2017-07-12 23:08:28 +00:00
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}
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return sourceUnits;
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}
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2015-12-09 16:35:20 +00:00
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ImportAnnotation& ImportDirective::annotation() const
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{
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2019-12-21 04:10:01 +00:00
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return initAnnotation<ImportAnnotation>();
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2015-12-09 16:35:20 +00:00
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}
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2015-12-15 14:46:03 +00:00
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TypePointer ImportDirective::type() const
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{
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solAssert(!!annotation().sourceUnit, "");
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2019-04-17 11:40:50 +00:00
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return TypeProvider::module(*annotation().sourceUnit);
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2015-12-15 14:46:03 +00:00
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}
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2019-08-02 16:36:26 +00:00
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vector<VariableDeclaration const*> ContractDefinition::stateVariablesIncludingInherited() const
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{
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vector<VariableDeclaration const*> stateVars;
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for (auto const& contract: annotation().linearizedBaseContracts)
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for (auto var: contract->stateVariables())
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if (*contract == *this || var->isVisibleInDerivedContracts())
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stateVars.push_back(var);
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return stateVars;
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}
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2020-01-14 13:00:51 +00:00
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bool ContractDefinition::derivesFrom(ContractDefinition const& _base) const
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{
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return util::contains(annotation().linearizedBaseContracts, &_base);
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}
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2020-04-08 22:08:49 +00:00
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map<util::FixedHash<4>, FunctionTypePointer> ContractDefinition::interfaceFunctions(bool _includeInheritedFunctions) const
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2014-11-11 16:41:48 +00:00
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{
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2020-04-08 22:08:49 +00:00
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auto exportedFunctionList = interfaceFunctionList(_includeInheritedFunctions);
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2015-01-23 15:37:06 +00:00
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2019-12-11 16:31:36 +00:00
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map<util::FixedHash<4>, FunctionTypePointer> exportedFunctions;
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2015-01-23 15:37:06 +00:00
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for (auto const& it: exportedFunctionList)
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2015-01-29 15:39:30 +00:00
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exportedFunctions.insert(it);
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2015-01-22 16:40:22 +00:00
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2015-09-10 08:17:17 +00:00
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solAssert(
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exportedFunctionList.size() == exportedFunctions.size(),
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2015-09-08 12:30:21 +00:00
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"Hash collision at Function Definition Hash calculation"
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);
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2014-11-11 16:41:48 +00:00
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return exportedFunctions;
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}
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2015-08-31 16:44:29 +00:00
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FunctionDefinition const* ContractDefinition::constructor() const
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2014-12-12 15:49:26 +00:00
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{
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2015-11-23 22:57:17 +00:00
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for (FunctionDefinition const* f: definedFunctions())
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2015-01-20 14:58:04 +00:00
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if (f->isConstructor())
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2015-11-23 22:57:17 +00:00
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return f;
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2014-12-12 15:49:26 +00:00
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return nullptr;
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}
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2017-03-06 13:12:20 +00:00
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bool ContractDefinition::constructorIsPublic() const
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{
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FunctionDefinition const* f = constructor();
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return !f || f->isPublic();
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}
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2019-01-17 19:08:17 +00:00
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bool ContractDefinition::canBeDeployed() const
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{
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2019-11-04 13:12:58 +00:00
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return constructorIsPublic() && !abstract() && !isInterface();
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2019-01-17 19:08:17 +00:00
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}
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2015-08-31 16:44:29 +00:00
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FunctionDefinition const* ContractDefinition::fallbackFunction() const
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2015-01-29 21:50:20 +00:00
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{
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2015-09-16 14:56:30 +00:00
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for (ContractDefinition const* contract: annotation().linearizedBaseContracts)
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2015-11-23 22:57:17 +00:00
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for (FunctionDefinition const* f: contract->definedFunctions())
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2017-07-27 19:55:55 +00:00
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if (f->isFallback())
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2015-11-23 22:57:17 +00:00
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return f;
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2015-01-29 21:50:20 +00:00
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return nullptr;
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}
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2019-09-09 16:22:02 +00:00
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FunctionDefinition const* ContractDefinition::receiveFunction() const
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{
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for (ContractDefinition const* contract: annotation().linearizedBaseContracts)
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for (FunctionDefinition const* f: contract->definedFunctions())
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if (f->isReceive())
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return f;
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return nullptr;
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}
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2015-11-23 22:57:17 +00:00
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vector<EventDefinition const*> const& ContractDefinition::interfaceEvents() const
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2015-01-31 13:41:11 +00:00
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{
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2020-05-13 17:57:20 +00:00
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return m_interfaceEvents.init([&]{
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2015-01-31 13:41:11 +00:00
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set<string> eventsSeen;
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2020-05-13 17:57:20 +00:00
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vector<EventDefinition const*> interfaceEvents;
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2015-09-16 14:56:30 +00:00
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for (ContractDefinition const* contract: annotation().linearizedBaseContracts)
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2015-11-23 22:57:17 +00:00
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for (EventDefinition const* e: contract->events())
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2017-08-25 09:41:48 +00:00
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{
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/// NOTE: this requires the "internal" version of an Event,
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/// though here internal strictly refers to visibility,
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/// and not to function encoding (jump vs. call)
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auto const& function = e->functionType(true);
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solAssert(function, "");
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string eventSignature = function->externalSignature();
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if (eventsSeen.count(eventSignature) == 0)
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2015-01-31 13:41:11 +00:00
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{
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2017-08-25 09:41:48 +00:00
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eventsSeen.insert(eventSignature);
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2020-05-13 17:57:20 +00:00
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interfaceEvents.push_back(e);
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2015-01-31 13:41:11 +00:00
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}
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2017-08-25 09:41:48 +00:00
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}
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2020-05-13 17:57:20 +00:00
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return interfaceEvents;
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});
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2015-01-31 13:41:11 +00:00
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}
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2020-04-08 22:08:49 +00:00
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vector<pair<util::FixedHash<4>, FunctionTypePointer>> const& ContractDefinition::interfaceFunctionList(bool _includeInheritedFunctions) const
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2015-01-16 16:50:10 +00:00
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{
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2020-05-13 17:59:15 +00:00
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return m_interfaceFunctionList[_includeInheritedFunctions].init([&]{
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2015-03-01 03:34:39 +00:00
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set<string> signaturesSeen;
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2020-05-13 17:59:15 +00:00
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vector<pair<util::FixedHash<4>, FunctionTypePointer>> interfaceFunctionList;
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2015-09-16 14:56:30 +00:00
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for (ContractDefinition const* contract: annotation().linearizedBaseContracts)
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2015-01-22 16:40:22 +00:00
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{
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2020-04-08 22:08:49 +00:00
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if (_includeInheritedFunctions == false && contract != this)
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continue;
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2015-10-16 11:11:16 +00:00
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vector<FunctionTypePointer> functions;
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2015-11-23 22:57:17 +00:00
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for (FunctionDefinition const* f: contract->definedFunctions())
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2015-10-16 11:11:16 +00:00
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if (f->isPartOfExternalInterface())
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2020-01-07 10:42:37 +00:00
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functions.push_back(TypeProvider::function(*f, FunctionType::Kind::External));
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2015-11-23 22:57:17 +00:00
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for (VariableDeclaration const* v: contract->stateVariables())
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2015-10-16 11:11:16 +00:00
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if (v->isPartOfExternalInterface())
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2019-04-17 11:40:50 +00:00
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functions.push_back(TypeProvider::function(*v));
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2015-10-16 11:11:16 +00:00
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for (FunctionTypePointer const& fun: functions)
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2015-03-01 03:34:39 +00:00
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{
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2015-10-16 11:11:16 +00:00
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if (!fun->interfaceFunctionType())
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// Fails hopefully because we already registered the error
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2015-06-26 14:52:30 +00:00
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continue;
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2015-10-16 11:11:16 +00:00
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string functionSignature = fun->externalSignature();
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2015-06-26 14:52:30 +00:00
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if (signaturesSeen.count(functionSignature) == 0)
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2015-01-16 16:50:10 +00:00
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{
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2015-03-01 03:34:39 +00:00
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signaturesSeen.insert(functionSignature);
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2019-12-11 16:31:36 +00:00
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util::FixedHash<4> hash(util::keccak256(functionSignature));
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2020-05-13 17:59:15 +00:00
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interfaceFunctionList.emplace_back(hash, fun);
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2015-01-16 16:50:10 +00:00
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}
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2015-03-01 03:34:39 +00:00
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}
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2015-01-22 16:40:22 +00:00
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}
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2020-05-13 17:59:15 +00:00
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return interfaceFunctionList;
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});
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2015-01-14 09:16:58 +00:00
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}
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2015-11-19 17:02:04 +00:00
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TypePointer ContractDefinition::type() const
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2015-02-10 12:40:21 +00:00
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{
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2019-04-17 11:40:50 +00:00
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return TypeProvider::typeType(TypeProvider::contract(*this));
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2015-01-19 20:05:47 +00:00
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}
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2015-09-21 16:55:58 +00:00
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ContractDefinitionAnnotation& ContractDefinition::annotation() const
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{
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2019-12-21 04:10:01 +00:00
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return initAnnotation<ContractDefinitionAnnotation>();
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2015-09-21 16:55:58 +00:00
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}
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2020-04-06 15:30:01 +00:00
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ContractDefinition const* ContractDefinition::superContract(ContractDefinition const& _mostDerivedContract) const
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{
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auto const& hierarchy = _mostDerivedContract.annotation().linearizedBaseContracts;
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auto it = find(hierarchy.begin(), hierarchy.end(), this);
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solAssert(it != hierarchy.end(), "Base not found in inheritance hierarchy.");
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++it;
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if (it == hierarchy.end())
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return nullptr;
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else
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{
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solAssert(*it != this, "");
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return *it;
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}
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}
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FunctionDefinition const* ContractDefinition::nextConstructor(ContractDefinition const& _mostDerivedContract) const
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{
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ContractDefinition const* next = superContract(_mostDerivedContract);
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if (next == nullptr)
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return nullptr;
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for (ContractDefinition const* c: _mostDerivedContract.annotation().linearizedBaseContracts)
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if (c == next || next == nullptr)
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{
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if (c->constructor())
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return c->constructor();
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next = nullptr;
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}
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return nullptr;
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}
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2015-09-21 16:55:58 +00:00
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TypeNameAnnotation& TypeName::annotation() const
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{
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2019-12-21 04:10:01 +00:00
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return initAnnotation<TypeNameAnnotation>();
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2015-09-21 16:55:58 +00:00
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}
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2015-11-19 17:02:04 +00:00
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TypePointer StructDefinition::type() const
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2015-01-22 00:02:38 +00:00
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{
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2020-04-14 14:36:37 +00:00
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solAssert(annotation().recursive.has_value(), "Requested struct type before DeclarationTypeChecker.");
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2019-04-15 15:28:32 +00:00
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return TypeProvider::typeType(TypeProvider::structType(*this, DataLocation::Storage));
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2015-01-22 00:02:38 +00:00
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}
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2020-04-14 14:36:37 +00:00
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StructDeclarationAnnotation& StructDefinition::annotation() const
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2015-10-05 15:19:23 +00:00
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{
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2020-04-14 14:36:37 +00:00
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return initAnnotation<StructDeclarationAnnotation>();
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2015-10-05 15:19:23 +00:00
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}
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2015-11-19 17:02:04 +00:00
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TypePointer EnumValue::type() const
|
2014-12-03 06:46:55 +00:00
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{
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2015-09-16 14:56:30 +00:00
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auto parentDef = dynamic_cast<EnumDefinition const*>(scope());
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solAssert(parentDef, "Enclosing Scope of EnumValue was not set");
|
2019-04-15 13:33:39 +00:00
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return TypeProvider::enumType(*parentDef);
|
2014-12-03 06:46:55 +00:00
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}
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|
|
2015-11-19 17:02:04 +00:00
|
|
|
TypePointer EnumDefinition::type() const
|
2015-02-09 17:08:56 +00:00
|
|
|
{
|
2019-04-15 13:33:39 +00:00
|
|
|
return TypeProvider::typeType(TypeProvider::enumType(*this));
|
2015-02-09 17:08:56 +00:00
|
|
|
}
|
|
|
|
|
2015-10-05 15:19:23 +00:00
|
|
|
TypeDeclarationAnnotation& EnumDefinition::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<TypeDeclarationAnnotation>();
|
2015-10-05 15:19:23 +00:00
|
|
|
}
|
|
|
|
|
2020-06-09 15:56:58 +00:00
|
|
|
bool FunctionDefinition::libraryFunction() const
|
2018-03-14 15:56:06 +00:00
|
|
|
{
|
2020-06-09 15:56:58 +00:00
|
|
|
if (auto const* contractDef = dynamic_cast<ContractDefinition const*>(scope()))
|
|
|
|
return contractDef->isLibrary();
|
|
|
|
return false;
|
2018-03-14 15:56:06 +00:00
|
|
|
}
|
|
|
|
|
2017-12-30 12:44:09 +00:00
|
|
|
FunctionTypePointer FunctionDefinition::functionType(bool _internal) const
|
2017-01-10 15:26:13 +00:00
|
|
|
{
|
|
|
|
if (_internal)
|
|
|
|
{
|
|
|
|
switch (visibility())
|
|
|
|
{
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Default:
|
2017-01-10 15:26:13 +00:00
|
|
|
solAssert(false, "visibility() should not return Default");
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Private:
|
|
|
|
case Visibility::Internal:
|
|
|
|
case Visibility::Public:
|
2020-01-07 10:42:37 +00:00
|
|
|
return TypeProvider::function(*this, FunctionType::Kind::Internal);
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::External:
|
2017-01-10 15:26:13 +00:00
|
|
|
return {};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
switch (visibility())
|
|
|
|
{
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Default:
|
2017-01-10 15:26:13 +00:00
|
|
|
solAssert(false, "visibility() should not return Default");
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Private:
|
|
|
|
case Visibility::Internal:
|
2017-01-10 15:26:13 +00:00
|
|
|
return {};
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Public:
|
|
|
|
case Visibility::External:
|
2020-01-07 10:42:37 +00:00
|
|
|
return TypeProvider::function(*this, FunctionType::Kind::External);
|
2017-01-10 15:26:13 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// To make the compiler happy
|
|
|
|
return {};
|
|
|
|
}
|
|
|
|
|
2015-11-19 17:02:04 +00:00
|
|
|
TypePointer FunctionDefinition::type() const
|
2015-01-22 00:02:38 +00:00
|
|
|
{
|
2019-12-10 14:54:09 +00:00
|
|
|
solAssert(visibility() != Visibility::External, "");
|
2020-01-07 10:42:37 +00:00
|
|
|
return TypeProvider::function(*this, FunctionType::Kind::Internal);
|
2015-01-22 00:02:38 +00:00
|
|
|
}
|
|
|
|
|
2020-01-14 13:00:51 +00:00
|
|
|
TypePointer FunctionDefinition::typeViaContractName() const
|
|
|
|
{
|
|
|
|
if (annotation().contract->isLibrary())
|
2020-05-25 17:30:17 +00:00
|
|
|
{
|
|
|
|
if (isPublic())
|
2020-05-26 08:48:17 +00:00
|
|
|
return FunctionType(*this).asExternallyCallableFunction(true);
|
2020-05-25 17:30:17 +00:00
|
|
|
else
|
|
|
|
return TypeProvider::function(*this, FunctionType::Kind::Internal);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return TypeProvider::function(*this, FunctionType::Kind::Declaration);
|
2020-01-14 13:00:51 +00:00
|
|
|
}
|
|
|
|
|
2015-03-27 12:28:32 +00:00
|
|
|
string FunctionDefinition::externalSignature() const
|
2015-01-06 16:42:38 +00:00
|
|
|
{
|
2019-04-17 11:40:50 +00:00
|
|
|
return TypeProvider::function(*this)->externalSignature();
|
2015-01-06 16:42:38 +00:00
|
|
|
}
|
|
|
|
|
2019-12-09 00:26:23 +00:00
|
|
|
string FunctionDefinition::externalIdentifierHex() const
|
|
|
|
{
|
|
|
|
return TypeProvider::function(*this)->externalIdentifierHex();
|
|
|
|
}
|
|
|
|
|
2015-10-26 14:13:36 +00:00
|
|
|
FunctionDefinitionAnnotation& FunctionDefinition::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<FunctionDefinitionAnnotation>();
|
2015-10-26 14:13:36 +00:00
|
|
|
}
|
|
|
|
|
2020-03-24 17:25:59 +00:00
|
|
|
FunctionDefinition const& FunctionDefinition::resolveVirtual(
|
|
|
|
ContractDefinition const& _mostDerivedContract,
|
|
|
|
ContractDefinition const* _searchStart
|
|
|
|
) const
|
|
|
|
{
|
|
|
|
solAssert(!isConstructor(), "");
|
|
|
|
// If we are not doing super-lookup and the function is not virtual, we can stop here.
|
|
|
|
if (_searchStart == nullptr && !virtualSemantics())
|
|
|
|
return *this;
|
|
|
|
|
|
|
|
solAssert(!dynamic_cast<ContractDefinition const&>(*scope()).isLibrary(), "");
|
|
|
|
|
2020-05-26 08:48:17 +00:00
|
|
|
FunctionType const* functionType = TypeProvider::function(*this)->asExternallyCallableFunction(false);
|
2020-03-24 17:25:59 +00:00
|
|
|
|
|
|
|
for (ContractDefinition const* c: _mostDerivedContract.annotation().linearizedBaseContracts)
|
|
|
|
{
|
|
|
|
if (_searchStart != nullptr && c != _searchStart)
|
|
|
|
continue;
|
|
|
|
_searchStart = nullptr;
|
|
|
|
for (FunctionDefinition const* function: c->definedFunctions())
|
|
|
|
if (
|
|
|
|
function->name() == name() &&
|
|
|
|
!function->isConstructor() &&
|
2020-05-26 08:48:17 +00:00
|
|
|
FunctionType(*function).asExternallyCallableFunction(false)->hasEqualParameterTypes(*functionType)
|
2020-03-24 17:25:59 +00:00
|
|
|
)
|
|
|
|
return *function;
|
|
|
|
}
|
|
|
|
solAssert(false, "Virtual function " + name() + " not found.");
|
|
|
|
return *this; // not reached
|
|
|
|
}
|
|
|
|
|
2015-11-19 17:02:04 +00:00
|
|
|
TypePointer ModifierDefinition::type() const
|
2015-01-22 00:02:38 +00:00
|
|
|
{
|
2019-04-17 11:40:50 +00:00
|
|
|
return TypeProvider::modifier(*this);
|
2015-02-14 00:22:44 +00:00
|
|
|
}
|
|
|
|
|
2015-10-26 14:13:36 +00:00
|
|
|
ModifierDefinitionAnnotation& ModifierDefinition::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<ModifierDefinitionAnnotation>();
|
2015-10-26 14:13:36 +00:00
|
|
|
}
|
|
|
|
|
2020-03-24 17:25:59 +00:00
|
|
|
ModifierDefinition const& ModifierDefinition::resolveVirtual(
|
|
|
|
ContractDefinition const& _mostDerivedContract,
|
|
|
|
ContractDefinition const* _searchStart
|
|
|
|
) const
|
|
|
|
{
|
|
|
|
solAssert(_searchStart == nullptr, "Used super in connection with modifiers.");
|
|
|
|
|
|
|
|
// If we are not doing super-lookup and the modifier is not virtual, we can stop here.
|
|
|
|
if (_searchStart == nullptr && !virtualSemantics())
|
|
|
|
return *this;
|
|
|
|
|
|
|
|
solAssert(!dynamic_cast<ContractDefinition const&>(*scope()).isLibrary(), "");
|
|
|
|
|
|
|
|
for (ContractDefinition const* c: _mostDerivedContract.annotation().linearizedBaseContracts)
|
|
|
|
{
|
|
|
|
if (_searchStart != nullptr && c != _searchStart)
|
|
|
|
continue;
|
|
|
|
_searchStart = nullptr;
|
|
|
|
for (ModifierDefinition const* modifier: c->functionModifiers())
|
|
|
|
if (modifier->name() == name())
|
|
|
|
return *modifier;
|
|
|
|
}
|
|
|
|
solAssert(false, "Virtual modifier " + name() + " not found.");
|
|
|
|
return *this; // not reached
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2015-11-19 17:02:04 +00:00
|
|
|
TypePointer EventDefinition::type() const
|
2015-02-17 15:21:38 +00:00
|
|
|
{
|
2019-04-17 11:40:50 +00:00
|
|
|
return TypeProvider::function(*this);
|
2015-09-16 14:56:30 +00:00
|
|
|
}
|
2015-03-08 22:26:36 +00:00
|
|
|
|
2017-12-30 12:44:09 +00:00
|
|
|
FunctionTypePointer EventDefinition::functionType(bool _internal) const
|
2017-01-10 17:55:36 +00:00
|
|
|
{
|
|
|
|
if (_internal)
|
2019-04-17 11:40:50 +00:00
|
|
|
return TypeProvider::function(*this);
|
2017-01-10 17:55:36 +00:00
|
|
|
else
|
2019-04-15 13:33:39 +00:00
|
|
|
return nullptr;
|
2017-01-10 17:55:36 +00:00
|
|
|
}
|
|
|
|
|
2015-10-26 14:13:36 +00:00
|
|
|
EventDefinitionAnnotation& EventDefinition::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<EventDefinitionAnnotation>();
|
2015-10-26 14:13:36 +00:00
|
|
|
}
|
|
|
|
|
2015-09-21 16:55:58 +00:00
|
|
|
UserDefinedTypeNameAnnotation& UserDefinedTypeName::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<UserDefinedTypeNameAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
|
|
|
|
2018-02-14 00:48:40 +00:00
|
|
|
SourceUnit const& Scopable::sourceUnit() const
|
|
|
|
{
|
|
|
|
ASTNode const* s = scope();
|
|
|
|
solAssert(s, "");
|
2018-08-16 05:42:46 +00:00
|
|
|
// will not always be a declaration
|
2018-02-14 00:48:40 +00:00
|
|
|
while (dynamic_cast<Scopable const*>(s) && dynamic_cast<Scopable const*>(s)->scope())
|
|
|
|
s = dynamic_cast<Scopable const*>(s)->scope();
|
|
|
|
return dynamic_cast<SourceUnit const&>(*s);
|
|
|
|
}
|
|
|
|
|
2019-05-07 09:51:32 +00:00
|
|
|
CallableDeclaration const* Scopable::functionOrModifierDefinition() const
|
|
|
|
{
|
|
|
|
ASTNode const* s = scope();
|
|
|
|
solAssert(s, "");
|
|
|
|
while (dynamic_cast<Scopable const*>(s))
|
|
|
|
{
|
|
|
|
if (auto funDef = dynamic_cast<FunctionDefinition const*>(s))
|
|
|
|
return funDef;
|
|
|
|
if (auto modDef = dynamic_cast<ModifierDefinition const*>(s))
|
|
|
|
return modDef;
|
|
|
|
s = dynamic_cast<Scopable const*>(s)->scope();
|
|
|
|
}
|
|
|
|
return nullptr;
|
|
|
|
}
|
|
|
|
|
2018-02-14 00:48:40 +00:00
|
|
|
string Scopable::sourceUnitName() const
|
|
|
|
{
|
|
|
|
return sourceUnit().annotation().path;
|
|
|
|
}
|
|
|
|
|
2019-12-19 23:04:46 +00:00
|
|
|
DeclarationAnnotation& Declaration::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<DeclarationAnnotation>();
|
2019-12-19 23:04:46 +00:00
|
|
|
}
|
|
|
|
|
2015-09-16 14:56:30 +00:00
|
|
|
bool VariableDeclaration::isLValue() const
|
|
|
|
{
|
2019-08-12 15:06:10 +00:00
|
|
|
// Constant declared variables are Read-Only
|
2020-06-22 16:10:18 +00:00
|
|
|
return !isConstant();
|
2015-02-17 15:21:38 +00:00
|
|
|
}
|
|
|
|
|
2018-02-09 15:53:52 +00:00
|
|
|
bool VariableDeclaration::isLocalVariable() const
|
|
|
|
{
|
|
|
|
auto s = scope();
|
|
|
|
return
|
2018-08-07 13:58:34 +00:00
|
|
|
dynamic_cast<FunctionTypeName const*>(s) ||
|
2018-02-09 15:53:52 +00:00
|
|
|
dynamic_cast<CallableDeclaration const*>(s) ||
|
|
|
|
dynamic_cast<Block const*>(s) ||
|
2019-09-02 14:17:02 +00:00
|
|
|
dynamic_cast<TryCatchClause const*>(s) ||
|
2018-02-09 15:53:52 +00:00
|
|
|
dynamic_cast<ForStatement const*>(s);
|
|
|
|
}
|
|
|
|
|
2019-09-05 18:02:34 +00:00
|
|
|
bool VariableDeclaration::isCallableOrCatchParameter() const
|
2015-06-05 09:07:50 +00:00
|
|
|
{
|
2019-09-05 18:02:34 +00:00
|
|
|
if (isReturnParameter() || isTryCatchParameter())
|
2018-08-07 13:58:34 +00:00
|
|
|
return true;
|
|
|
|
|
|
|
|
vector<ASTPointer<VariableDeclaration>> const* parameters = nullptr;
|
|
|
|
|
|
|
|
if (auto const* funTypeName = dynamic_cast<FunctionTypeName const*>(scope()))
|
|
|
|
parameters = &funTypeName->parameterTypes();
|
|
|
|
else if (auto const* callable = dynamic_cast<CallableDeclaration const*>(scope()))
|
|
|
|
parameters = &callable->parameters();
|
|
|
|
|
|
|
|
if (parameters)
|
|
|
|
for (auto const& variable: *parameters)
|
2015-06-09 12:26:08 +00:00
|
|
|
if (variable.get() == this)
|
|
|
|
return true;
|
2015-06-05 09:07:50 +00:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2017-07-06 09:05:05 +00:00
|
|
|
bool VariableDeclaration::isLocalOrReturn() const
|
|
|
|
{
|
2019-09-05 18:02:34 +00:00
|
|
|
return isReturnParameter() || (isLocalVariable() && !isCallableOrCatchParameter());
|
2017-07-06 09:05:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
bool VariableDeclaration::isReturnParameter() const
|
|
|
|
{
|
2018-08-07 13:58:34 +00:00
|
|
|
vector<ASTPointer<VariableDeclaration>> const* returnParameters = nullptr;
|
|
|
|
|
|
|
|
if (auto const* funTypeName = dynamic_cast<FunctionTypeName const*>(scope()))
|
|
|
|
returnParameters = &funTypeName->returnParameterTypes();
|
|
|
|
else if (auto const* callable = dynamic_cast<CallableDeclaration const*>(scope()))
|
|
|
|
if (callable->returnParameterList())
|
|
|
|
returnParameters = &callable->returnParameterList()->parameters();
|
|
|
|
|
|
|
|
if (returnParameters)
|
|
|
|
for (auto const& variable: *returnParameters)
|
2017-07-06 09:05:05 +00:00
|
|
|
if (variable.get() == this)
|
|
|
|
return true;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2019-09-05 18:02:34 +00:00
|
|
|
bool VariableDeclaration::isTryCatchParameter() const
|
|
|
|
{
|
|
|
|
return dynamic_cast<TryCatchClause const*>(scope());
|
|
|
|
}
|
|
|
|
|
2015-06-09 12:26:08 +00:00
|
|
|
bool VariableDeclaration::isExternalCallableParameter() const
|
2015-02-14 00:22:44 +00:00
|
|
|
{
|
2019-09-05 18:02:34 +00:00
|
|
|
if (!isCallableOrCatchParameter())
|
2015-02-14 00:22:44 +00:00
|
|
|
return false;
|
2018-08-07 13:58:34 +00:00
|
|
|
|
|
|
|
if (auto const* callable = dynamic_cast<CallableDeclaration const*>(scope()))
|
2019-12-10 14:54:09 +00:00
|
|
|
if (callable->visibility() == Visibility::External)
|
2018-08-07 13:58:34 +00:00
|
|
|
return !isReturnParameter();
|
|
|
|
|
2015-02-14 00:22:44 +00:00
|
|
|
return false;
|
2015-01-22 00:02:38 +00:00
|
|
|
}
|
|
|
|
|
2020-04-16 14:29:23 +00:00
|
|
|
bool VariableDeclaration::isPublicCallableParameter() const
|
|
|
|
{
|
|
|
|
if (!isCallableOrCatchParameter())
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (auto const* callable = dynamic_cast<CallableDeclaration const*>(scope()))
|
|
|
|
if (callable->visibility() == Visibility::Public)
|
|
|
|
return !isReturnParameter();
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2018-08-07 13:58:34 +00:00
|
|
|
bool VariableDeclaration::isInternalCallableParameter() const
|
|
|
|
{
|
2019-09-05 18:02:34 +00:00
|
|
|
if (!isCallableOrCatchParameter())
|
2018-08-07 13:58:34 +00:00
|
|
|
return false;
|
|
|
|
|
|
|
|
if (auto const* funTypeName = dynamic_cast<FunctionTypeName const*>(scope()))
|
2019-12-10 14:54:09 +00:00
|
|
|
return funTypeName->visibility() == Visibility::Internal;
|
2018-08-07 13:58:34 +00:00
|
|
|
else if (auto const* callable = dynamic_cast<CallableDeclaration const*>(scope()))
|
2019-12-10 14:54:09 +00:00
|
|
|
return callable->visibility() <= Visibility::Internal;
|
2018-08-07 13:58:34 +00:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2020-07-06 14:52:51 +00:00
|
|
|
bool VariableDeclaration::isConstructorParameter() const
|
|
|
|
{
|
|
|
|
if (!isCallableOrCatchParameter())
|
|
|
|
return false;
|
|
|
|
if (auto const* function = dynamic_cast<FunctionDefinition const*>(scope()))
|
|
|
|
return function->isConstructor();
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2018-08-07 13:58:34 +00:00
|
|
|
bool VariableDeclaration::isLibraryFunctionParameter() const
|
|
|
|
{
|
2019-09-05 18:02:34 +00:00
|
|
|
if (!isCallableOrCatchParameter())
|
2018-08-07 13:58:34 +00:00
|
|
|
return false;
|
|
|
|
if (auto const* funDef = dynamic_cast<FunctionDefinition const*>(scope()))
|
|
|
|
return dynamic_cast<ContractDefinition const&>(*funDef->scope()).isLibrary();
|
|
|
|
else
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VariableDeclaration::isEventParameter() const
|
|
|
|
{
|
|
|
|
return dynamic_cast<EventDefinition const*>(scope()) != nullptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool VariableDeclaration::hasReferenceOrMappingType() const
|
|
|
|
{
|
|
|
|
solAssert(typeName(), "");
|
|
|
|
solAssert(typeName()->annotation().type, "Can only be called after reference resolution");
|
2019-04-15 13:33:39 +00:00
|
|
|
Type const* type = typeName()->annotation().type;
|
|
|
|
return type->category() == Type::Category::Mapping || dynamic_cast<ReferenceType const*>(type);
|
2018-08-07 13:58:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
set<VariableDeclaration::Location> VariableDeclaration::allowedDataLocations() const
|
|
|
|
{
|
|
|
|
using Location = VariableDeclaration::Location;
|
|
|
|
|
|
|
|
if (!hasReferenceOrMappingType() || isStateVariable() || isEventParameter())
|
2018-08-17 23:09:31 +00:00
|
|
|
return set<Location>{ Location::Unspecified };
|
2019-09-05 18:02:34 +00:00
|
|
|
else if (isCallableOrCatchParameter())
|
2018-08-07 13:58:34 +00:00
|
|
|
{
|
|
|
|
set<Location> locations{ Location::Memory };
|
2019-09-05 18:02:34 +00:00
|
|
|
if (isInternalCallableParameter() || isLibraryFunctionParameter() || isTryCatchParameter())
|
2018-08-07 13:58:34 +00:00
|
|
|
locations.insert(Location::Storage);
|
2020-07-06 14:52:51 +00:00
|
|
|
if (!isTryCatchParameter() && !isConstructorParameter())
|
2020-05-25 17:30:17 +00:00
|
|
|
locations.insert(Location::CallData);
|
|
|
|
|
2018-08-07 13:58:34 +00:00
|
|
|
return locations;
|
|
|
|
}
|
|
|
|
else if (isLocalVariable())
|
|
|
|
{
|
|
|
|
solAssert(typeName(), "");
|
2020-04-15 14:00:01 +00:00
|
|
|
auto dataLocations = [](TypePointer _type, auto&& _recursion) -> set<Location> {
|
2020-04-14 17:03:46 +00:00
|
|
|
solAssert(_type, "Can only be called after reference resolution");
|
|
|
|
switch (_type->category())
|
|
|
|
{
|
|
|
|
case Type::Category::Array:
|
|
|
|
return _recursion(dynamic_cast<ArrayType const*>(_type)->baseType(), _recursion);
|
|
|
|
case Type::Category::Mapping:
|
|
|
|
return set<Location>{ Location::Storage };
|
|
|
|
default:
|
2020-05-25 17:30:17 +00:00
|
|
|
return set<Location>{ Location::Memory, Location::Storage, Location::CallData };
|
2020-04-14 17:03:46 +00:00
|
|
|
}
|
|
|
|
};
|
2020-04-15 14:00:01 +00:00
|
|
|
return dataLocations(typeName()->annotation().type, dataLocations);
|
2018-08-07 13:58:34 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
// Struct members etc.
|
2018-08-17 23:09:31 +00:00
|
|
|
return set<Location>{ Location::Unspecified };
|
2018-08-07 13:58:34 +00:00
|
|
|
}
|
|
|
|
|
2019-12-09 00:26:23 +00:00
|
|
|
string VariableDeclaration::externalIdentifierHex() const
|
|
|
|
{
|
|
|
|
solAssert(isStateVariable() && isPublic(), "Can only be called for public state variables");
|
|
|
|
return TypeProvider::function(*this)->externalIdentifierHex();
|
|
|
|
}
|
|
|
|
|
2015-11-19 17:02:04 +00:00
|
|
|
TypePointer VariableDeclaration::type() const
|
2014-10-13 16:22:15 +00:00
|
|
|
{
|
2015-09-16 14:56:30 +00:00
|
|
|
return annotation().type;
|
2014-10-16 12:08:54 +00:00
|
|
|
}
|
2015-09-21 16:55:58 +00:00
|
|
|
|
2017-12-30 12:44:09 +00:00
|
|
|
FunctionTypePointer VariableDeclaration::functionType(bool _internal) const
|
2017-01-10 15:26:13 +00:00
|
|
|
{
|
|
|
|
if (_internal)
|
2019-04-15 13:33:39 +00:00
|
|
|
return nullptr;
|
2017-01-10 15:26:13 +00:00
|
|
|
switch (visibility())
|
|
|
|
{
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Default:
|
2017-01-10 15:26:13 +00:00
|
|
|
solAssert(false, "visibility() should not return Default");
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Private:
|
|
|
|
case Visibility::Internal:
|
2019-04-15 13:33:39 +00:00
|
|
|
return nullptr;
|
2019-12-10 14:54:09 +00:00
|
|
|
case Visibility::Public:
|
|
|
|
case Visibility::External:
|
2019-04-17 11:40:50 +00:00
|
|
|
return TypeProvider::function(*this);
|
2017-01-10 15:26:13 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// To make the compiler happy
|
2019-04-15 13:33:39 +00:00
|
|
|
return nullptr;
|
2017-01-10 15:26:13 +00:00
|
|
|
}
|
|
|
|
|
2015-09-21 16:55:58 +00:00
|
|
|
VariableDeclarationAnnotation& VariableDeclaration::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<VariableDeclarationAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
|
|
|
|
2015-10-26 16:20:29 +00:00
|
|
|
StatementAnnotation& Statement::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<StatementAnnotation>();
|
2015-10-26 16:20:29 +00:00
|
|
|
}
|
|
|
|
|
2016-03-01 21:56:39 +00:00
|
|
|
InlineAssemblyAnnotation& InlineAssembly::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<InlineAssemblyAnnotation>();
|
2016-03-01 21:56:39 +00:00
|
|
|
}
|
|
|
|
|
2019-12-20 01:20:27 +00:00
|
|
|
BlockAnnotation& Block::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<BlockAnnotation>();
|
2019-12-20 01:20:27 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
TryCatchClauseAnnotation& TryCatchClause::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<TryCatchClauseAnnotation>();
|
2019-12-20 01:20:27 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
ForStatementAnnotation& ForStatement::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<ForStatementAnnotation>();
|
2019-12-20 01:20:27 +00:00
|
|
|
}
|
|
|
|
|
2015-09-21 16:55:58 +00:00
|
|
|
ReturnAnnotation& Return::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<ReturnAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
ExpressionAnnotation& Expression::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<ExpressionAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
MemberAccessAnnotation& MemberAccess::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<MemberAccessAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
BinaryOperationAnnotation& BinaryOperation::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<BinaryOperationAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
FunctionCallAnnotation& FunctionCall::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<FunctionCallAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
IdentifierAnnotation& Identifier::annotation() const
|
|
|
|
{
|
2019-12-21 04:10:01 +00:00
|
|
|
return initAnnotation<IdentifierAnnotation>();
|
2015-09-21 16:55:58 +00:00
|
|
|
}
|
2017-01-24 16:38:06 +00:00
|
|
|
|
2018-10-01 12:36:57 +00:00
|
|
|
ASTString Literal::valueWithoutUnderscores() const
|
|
|
|
{
|
|
|
|
return boost::erase_all_copy(value(), "_");
|
|
|
|
}
|
|
|
|
|
2017-06-28 15:59:34 +00:00
|
|
|
bool Literal::isHexNumber() const
|
2017-06-26 11:49:05 +00:00
|
|
|
{
|
|
|
|
if (token() != Token::Number)
|
|
|
|
return false;
|
2017-06-28 16:00:14 +00:00
|
|
|
return boost::starts_with(value(), "0x");
|
2017-06-26 11:49:05 +00:00
|
|
|
}
|
|
|
|
|
2017-01-24 16:38:06 +00:00
|
|
|
bool Literal::looksLikeAddress() const
|
|
|
|
{
|
|
|
|
if (subDenomination() != SubDenomination::None)
|
|
|
|
return false;
|
2017-06-26 11:49:05 +00:00
|
|
|
|
2017-06-28 15:59:34 +00:00
|
|
|
if (!isHexNumber())
|
2017-06-22 14:39:42 +00:00
|
|
|
return false;
|
2017-01-24 16:38:06 +00:00
|
|
|
|
2018-10-01 12:36:57 +00:00
|
|
|
return abs(int(valueWithoutUnderscores().length()) - 42) <= 1;
|
2017-01-24 16:38:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
bool Literal::passesAddressChecksum() const
|
|
|
|
{
|
2017-06-28 15:59:34 +00:00
|
|
|
solAssert(isHexNumber(), "Expected hex number");
|
2019-12-11 16:31:36 +00:00
|
|
|
return util::passesAddressChecksum(valueWithoutUnderscores(), true);
|
2017-01-24 16:38:06 +00:00
|
|
|
}
|
2017-10-05 13:28:25 +00:00
|
|
|
|
2018-08-07 13:58:34 +00:00
|
|
|
string Literal::getChecksummedAddress() const
|
2017-10-05 13:28:25 +00:00
|
|
|
{
|
|
|
|
solAssert(isHexNumber(), "Expected hex number");
|
2017-10-24 10:01:56 +00:00
|
|
|
/// Pad literal to be a proper hex address.
|
2018-10-01 12:36:57 +00:00
|
|
|
string address = valueWithoutUnderscores().substr(2);
|
2017-10-24 10:01:56 +00:00
|
|
|
if (address.length() > 40)
|
2017-10-24 09:54:51 +00:00
|
|
|
return string();
|
2017-10-24 10:01:56 +00:00
|
|
|
address.insert(address.begin(), 40 - address.size(), '0');
|
2019-12-11 16:31:36 +00:00
|
|
|
return util::getChecksummedAddress(address);
|
2017-10-05 13:28:25 +00:00
|
|
|
}
|
2020-03-16 10:47:39 +00:00
|
|
|
|
|
|
|
TryCatchClause const* TryStatement::successClause() const
|
|
|
|
{
|
|
|
|
solAssert(m_clauses.size() > 0, "");
|
|
|
|
return m_clauses[0].get();
|
|
|
|
}
|
|
|
|
|
|
|
|
TryCatchClause const* TryStatement::structuredClause() const
|
|
|
|
{
|
|
|
|
for (size_t i = 1; i < m_clauses.size(); ++i)
|
|
|
|
if (m_clauses[i]->errorName() == "Error")
|
|
|
|
return m_clauses[i].get();
|
|
|
|
return nullptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
TryCatchClause const* TryStatement::fallbackClause() const
|
|
|
|
{
|
|
|
|
for (size_t i = 1; i < m_clauses.size(); ++i)
|
|
|
|
if (m_clauses[i]->errorName().empty())
|
|
|
|
return m_clauses[i].get();
|
|
|
|
return nullptr;
|
|
|
|
}
|