public override void VisitIfThen(ASTIfThen n)
{
CFlatType condType = CheckSubTree(n.Condition);
if (condType is TypeBool)
{
CheckSubTree(n.Then);
}
else
{
ReportError(n.Location, "If statement must evaluate to boolean. Got type '{0}'", TypeToFriendlyName(condType));
}
}
public override void VisitIfThen(ASTIfThen n)
{
Label skipLabel = _gen.DefineLabel();
//evaluate
n.Condition.Visit(this);
//skip on false
_gen.Emit(OpCodes.Brfalse, skipLabel);
//walk statements
n.Then.Visit(this);
//mark label
_gen.MarkLabel(skipLabel);
}
