43 lines
1.3 KiB
C#
43 lines
1.3 KiB
C#
// Copyright (c) Ivan Bondarev, Stanislav Mihalkovich (for details please see \doc\copyright.txt)
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using PascalABCCompiler.SyntaxTree;
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namespace PascalABCCompiler.SyntaxTreeConverters
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{
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public class StandOutExprWithLambdaInForeachSequenceVisitor : BaseChangeVisitor
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{
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public static StandOutExprWithLambdaInForeachSequenceVisitor New
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{
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get
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{
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return new StandOutExprWithLambdaInForeachSequenceVisitor();
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}
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}
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private int GenIdNum = 0;
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public ident GenIdentName()
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{
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GenIdNum++;
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return new ident("$GenContFE" + GenIdNum.ToString());
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}
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public override void visit(foreach_stmt fe)
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{
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if (fe.in_what.DescendantNodes().OfType<function_lambda_definition>().Count() > 0)
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{
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var id = GenIdentName();
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id.Parent = fe;
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var ass = new var_statement(id, fe.in_what, fe.in_what.source_context);
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fe.in_what = id;
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var l = new List<statement> { ass, fe };
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ReplaceStatement(fe, l);
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}
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base.visit(fe);
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}
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}
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}
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