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src/OneScript.Language/SyntaxAnalysis/AstNodes/ForLoopNode.cs
49 строк
2 KB
Andrei Ovsiankin
Добавлена компиляция For..To
19 авг 2020, 23:01
19 авг 2020, 23:01
5ae2835
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/*---------------------------------------------------------- This Source Code Form is subject to the terms of the Mozilla Public License, v.2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/. ----------------------------------------------------------*/ using OneScript.Language.LexicalAnalysis; namespace OneScript.Language.SyntaxAnalysis.AstNodes { public class ForLoopNode : BranchingStatementNode { public ForLoopNode(Lexem startLexem) : base(NodeKind.ForLoop, startLexem) { } public BslSyntaxNode InitializationClause { get; set; } public BslSyntaxNode UpperLimitExpression { get; set; } public CodeBatchNode LoopBody { get; set; } protected override void OnChildAdded(BslSyntaxNode child) { switch (child.Kind) { case NodeKind.ForInitializer: InitializationClause = child; break; case NodeKind.ForLimit: UpperLimitExpression = child.Children[0]; break; case NodeKind.CodeBatch: if (UpperLimitExpression == default) { InitializationClause = new NonTerminalNode(NodeKind.Unknown); UpperLimitExpression = new NonTerminalNode(NodeKind.Unknown); } LoopBody = (CodeBatchNode)child; break; case NodeKind.BlockEnd: base.OnChildAdded(child); break; } } } }