public virtual Statement VisitDoWhile(DoWhile doWhile)
{
if (doWhile == null) return null;
doWhile.Invariants = this.VisitLoopInvariantList(doWhile.Invariants);
doWhile.Body = this.VisitBlock(doWhile.Body);
doWhile.Condition = this.VisitExpression(doWhile.Condition);
return doWhile;
}
public override Statement VisitDoWhile(DoWhile doWhile)
{
if (doWhile == null) return null;
return base.VisitDoWhile((DoWhile)doWhile.Clone());
}
public override Statement VisitDoWhile(DoWhile doWhile)
{
WriteLine("do");
this.VisitBlock(doWhile.Body);
WriteStart("while (");
this.VisitExpression(doWhile.Condition);
WriteFinish(");");
return doWhile;
}
private DoWhile ParseDoWhile(TokenSet followers){
DoWhile doWhile = new DoWhile();
doWhile.SourceContext = this.scanner.CurrentSourceContext;
Debug.Assert(this.currentToken == Token.Do);
this.GetNextToken();
doWhile.Invariants = ParseLoopInvariants(followers);
SourceContext savedCompoundStatementOpeningContext = this.compoundStatementOpeningContext;
doWhile.SourceContext.EndPos = this.scanner.endPos;
this.compoundStatementOpeningContext = doWhile.SourceContext;
Block b = doWhile.Body = this.ParseStatementAsBlock(followers|Token.While);
if (b != null && b.Statements == null)
this.HandleError(b.SourceContext, Error.PossibleMistakenNullStatement);
this.Skip(Token.While);
doWhile.Condition = this.ParseParenthesizedExpression(followers|Token.Semicolon);
if (doWhile.Condition != null)
doWhile.SourceContext.EndPos = doWhile.Condition.SourceContext.EndPos;
this.SkipSemiColon(followers);
this.compoundStatementOpeningContext = savedCompoundStatementOpeningContext;
return doWhile;
}
public EventingVisitor(Action<DoWhile> visitDoWhile) { VisitedDoWhile += visitDoWhile; } public event Action<DoWhile> VisitedDoWhile; public override Statement VisitDoWhile(DoWhile doWhile) { if (VisitedDoWhile != null) VisitedDoWhile(doWhile); return base.VisitDoWhile(doWhile); }
