public override void Accept (TupleExpression tuple)
{
tuple.VisitChildren (this);
methodBuilder.EmitInstruction (tuple.Location, Opcode.BuildTuple, tuple.Children.Count);
}
private static AstNode ParseTuple(AstNode firstVal, TokenStream stream)
{
TupleExpression tuple = new TupleExpression (stream.Location);
tuple.Add (firstVal);
while (!stream.Match (TokenClass.CloseParan)) {
tuple.Add (ParseExpression (stream));
if (!stream.Accept (TokenClass.Comma)) {
break;
}
}
stream.Expect (TokenClass.CloseParan);
return tuple;
}
public void Accept(TupleExpression tuple)
{
visitSubnodes (tuple);
methodBuilder.EmitInstruction (tuple.Location, Opcode.BuildTuple, tuple.Children.Count);
}
public void Accept(TupleExpression tuple)
{
tuple.Visit (functionCompiler);
}
public override void Accept (TupleExpression tuple)
{
tuple.VisitChildren (this);
}
public override void Accept (TupleExpression tuple)
{
IodineLabel startLabel = methodBuilder.CreateLabel ();
IodineLabel endLabel = methodBuilder.CreateLabel ();
int item = methodBuilder.CreateTemporary ();
PatternCompiler compiler = new PatternCompiler (symbolTable, methodBuilder,
item,
parentVisitor);
for (int i = 0; i < tuple.Children.Count; i++) {
if (tuple.Children [i] is NameExpression &&
((NameExpression)tuple.Children [i]).Value == "_")
continue;
methodBuilder.EmitInstruction (tuple.Location, Opcode.LoadLocal, temporary);
methodBuilder.EmitInstruction (tuple.Location, Opcode.LoadConst,
methodBuilder.Module.DefineConstant (new IodineInteger (i)));
methodBuilder.EmitInstruction (tuple.Location, Opcode.LoadIndex);
methodBuilder.EmitInstruction (tuple.Location, Opcode.StoreLocal, item);
tuple.Children [i].Visit (compiler);
methodBuilder.EmitInstruction (tuple.Location, Opcode.JumpIfFalse, endLabel);
}
methodBuilder.EmitInstruction (tuple.Location, Opcode.LoadTrue);
methodBuilder.EmitInstruction (tuple.Location, Opcode.Jump, startLabel);
methodBuilder.MarkLabelPosition (endLabel);
methodBuilder.EmitInstruction (tuple.Location, Opcode.LoadFalse);
methodBuilder.MarkLabelPosition (startLabel);
}
public virtual void Accept(TupleExpression tuple)
{
}