public override AstNode VisitWhileStatement(WhileStatement forStatement)
{
var visitor = new LambdaVisitor();
forStatement.EmbeddedStatement.AcceptVisitor(visitor);
if (visitor.LambdaExpression.Count == 0 && forStatement.EmbeddedStatement is BlockStatement)
{
return(base.VisitWhileStatement(forStatement));
}
var clonForStatement = (WhileStatement)base.VisitWhileStatement(forStatement);
if (clonForStatement != null)
{
forStatement = clonForStatement;
}
if (!(forStatement.EmbeddedStatement is BlockStatement))
{
var l = (WhileStatement)forStatement.Clone();
var block = new BlockStatement();
block.Statements.Add(l.EmbeddedStatement.Clone());
l.EmbeddedStatement = block;
return(l);
}
return(forStatement.Clone());
}
protected override void DoEmit()
{
if ((!this.WrapByFn.HasValue || this.WrapByFn.Value) && (this.BlockStatement.Parent is ForStatement ||
this.BlockStatement.Parent is ForeachStatement ||
this.BlockStatement.Parent is WhileStatement ||
this.BlockStatement.Parent is DoWhileStatement) &&
(!this.Emitter.IsAsync || this.GetAwaiters(this.BlockStatement.Parent).Length == 0))
{
var visitor = new LambdaVisitor(true, this.Emitter);
this.BlockStatement.AcceptVisitor(visitor);
this.WrapByFn = visitor.LambdaExpression.Count > 0;
if (this.WrapByFn.Value)
{
var jumpVisitor = new ContinueBreakVisitor(false);
this.BlockStatement.AcceptVisitor(jumpVisitor);
this.HandleContinue = jumpVisitor.Continue.Count > 0;
this.HandleBreak = jumpVisitor.Break.Count > 0;
jumpVisitor = new ContinueBreakVisitor(true);
this.BlockStatement.AcceptVisitor(jumpVisitor);
this.HandleReturn = jumpVisitor.Return.Count > 0;
}
this.OldReplaceJump = this.Emitter.ReplaceJump;
this.Emitter.ReplaceJump = (this.HandleContinue.HasValue && this.HandleContinue.Value) ||
(this.HandleBreak.HasValue && this.HandleBreak.Value) ||
(this.HandleReturn.HasValue && this.HandleReturn.Value);
}
this.EmitBlock();
}
public override void Emit()
{
if ((!this.WrapByFn.HasValue || this.WrapByFn.Value) && (this.BlockStatement.Parent is ForStatement ||
this.BlockStatement.Parent is ForeachStatement ||
this.BlockStatement.Parent is WhileStatement ||
this.BlockStatement.Parent is DoWhileStatement))
{
var visitor = new LambdaVisitor();
this.BlockStatement.AcceptVisitor(visitor);
this.WrapByFn = visitor.LambdaExpression.Count > 0;
}
this.EmitBlock();
}
public override void VisitDoWhileStatement(DoWhileStatement whileStatement)
{
if (!(whileStatement.EmbeddedStatement is BlockStatement))
{
var visitor = new LambdaVisitor();
whileStatement.EmbeddedStatement.AcceptVisitor(visitor);
if (visitor.LambdaExpression.Count > 0)
{
this.Found = true;
}
}
base.VisitDoWhileStatement(whileStatement);
}
public override void VisitForeachStatement(ForeachStatement foreachStatement)
{
if (!(foreachStatement.EmbeddedStatement is BlockStatement))
{
var visitor = new LambdaVisitor();
foreachStatement.EmbeddedStatement.AcceptVisitor(visitor);
if (visitor.LambdaExpression.Count > 0)
{
this.Found = true;
}
}
base.VisitForeachStatement(foreachStatement);
}
protected override void DoEmit()
{
if ((!this.WrapByFn.HasValue || this.WrapByFn.Value) && (this.BlockStatement.Parent is ForStatement ||
this.BlockStatement.Parent is ForeachStatement ||
this.BlockStatement.Parent is WhileStatement ||
this.BlockStatement.Parent is DoWhileStatement))
{
var visitor = new LambdaVisitor();
this.BlockStatement.AcceptVisitor(visitor);
this.WrapByFn = visitor.LambdaExpression.Count > 0;
if (this.WrapByFn.Value)
{
var jumpVisitor = new ContinueBreakVisitor(false);
this.BlockStatement.AcceptVisitor(jumpVisitor);
this.HandleContinue = jumpVisitor.Continue.Count > 0;
this.HandleBreak = jumpVisitor.Break.Count > 0;
jumpVisitor = new ContinueBreakVisitor(true);
this.BlockStatement.AcceptVisitor(jumpVisitor);
this.HandleReturn = jumpVisitor.Return.Count > 0;
}
this.OldReplaceJump = this.Emitter.ReplaceJump;
this.Emitter.ReplaceJump = (this.HandleContinue.HasValue && this.HandleContinue.Value) ||
(this.HandleBreak.HasValue && this.HandleBreak.Value) ||
(this.HandleReturn.HasValue && this.HandleReturn.Value);
}
this.EmitBlock();
}
protected override void DoEmit()
{
if ((!this.WrapByFn.HasValue || this.WrapByFn.Value) && (this.BlockStatement.Parent is ForStatement ||
this.BlockStatement.Parent is ForeachStatement ||
this.BlockStatement.Parent is WhileStatement ||
this.BlockStatement.Parent is DoWhileStatement))
{
var visitor = new LambdaVisitor();
this.BlockStatement.AcceptVisitor(visitor);
this.WrapByFn = visitor.LambdaExpression.Count > 0;
}
this.EmitBlock();
}