private static AstNode ParseDoWhile(TokenStream stream)
{
DoStatement ret = new DoStatement (stream.Location);
stream.Expect (TokenClass.Keyword, "do");
ret.Add (ParseStatement (stream));
stream.Expect (TokenClass.Keyword, "while");
stream.Expect (TokenClass.OpenParan);
ret.Add (ParseExpression (stream));
stream.Expect (TokenClass.CloseParan);
return ret;
}
public void Accept(DoStatement doStmt)
{
doStmt.Visit (functionCompiler);
}
public override void Accept (DoStatement doStmt)
{
IodineLabel doLabel = methodBuilder.CreateLabel ();
IodineLabel breakLabel = methodBuilder.CreateLabel ();
breakLabels.Push (breakLabel);
continueLabels.Push (doLabel);
methodBuilder.MarkLabelPosition (doLabel);
doStmt.Body.Visit (this);
doStmt.Condition.Visit (this);
methodBuilder.EmitInstruction (doStmt.Condition.Location, Opcode.JumpIfTrue,
doLabel);
methodBuilder.MarkLabelPosition (breakLabel);
breakLabels.Pop ();
continueLabels.Pop ();
}
public override void Accept (DoStatement doStmt)
{
errorLog.AddError (ErrorType.ParserError, doStmt.Location,
"statement can not exist inside pattern!");
}
public virtual void Accept(DoStatement doStmt)
{
}
public void Accept(DoStatement doStmt)
{
doStmt.VisitChildren (this);
}
public void Accept(DoStatement doStmt)
{
errorLog.AddError (ErrorType.ParserError, doStmt.Location,
"Statement not allowed outside function body!");
}
public void Accept(DoStatement doStmt)
{
}