mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
61 lines
2.2 KiB
C++
61 lines
2.2 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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#pragma once
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#include <libsolidity/ast/ASTVisitor.h>
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#include <liblangutil/ErrorReporter.h>
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#include <liblangutil/Exceptions.h>
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namespace solidity::frontend::experimental
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{
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class SyntaxRestrictor: public ASTConstVisitor
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{
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public:
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/// @param _errorReporter provides the error logging functionality.
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explicit SyntaxRestrictor(langutil::ErrorReporter& _errorReporter): m_errorReporter(_errorReporter) {}
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bool check(ASTNode const& _astRoot);
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private:
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/// Default visit will reject all AST nodes that are not explicitly allowed.
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bool visitNode(ASTNode const& _node) override;
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bool visit(SourceUnit const&) override { return true; }
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bool visit(PragmaDirective const&) override { return true; }
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bool visit(ImportDirective const&) override { return true; }
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bool visit(ContractDefinition const& _contractDefinition) override;
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bool visit(FunctionDefinition const& _functionDefinition) override;
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bool visit(ExpressionStatement const&) override { return true; }
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bool visit(FunctionCall const&) override { return true; }
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bool visit(Assignment const&) override { return true; }
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bool visit(Block const&) override { return true; }
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bool visit(InlineAssembly const&) override { return true; }
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bool visit(Identifier const&) override { return true; }
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bool visit(VariableDeclarationStatement const&) override;
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bool visit(VariableDeclaration const&) override;
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bool visit(ElementaryTypeName const&) override { return true; }
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bool visit(ParameterList const&) override { return true; }
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bool visit(Return const&) override { return true; }
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langutil::ErrorReporter& m_errorReporter;
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};
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}
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