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