public override void visit(While wstmt)
{
wstmt.predicate.accept(this);
if (wstmt.predicate.type != Constants.BOOLEAN)
{
error(wstmt, "predicate doesn't evaluate to type Bool");
}
wstmt.body.accept(this);
wstmt.type = Constants.OBJECT;
}
public override void visit(While whil)
{
for (int i = 0; i < depth * 2; i++)
{
sw.Write(" ");
}
depth++;
sw.WriteLine("_while : " + whil.type);
whil.predicate.accept(this);
whil.body.accept(this);
depth--;
}
public override void visit(While whilestmt)
{
++while_count;
emit_label("whileloop" + while_count.ToString());
whilestmt.predicate.accept(this);
emit_la("t1", "bool_const1");
emit_bne("a0", "t1", "whileend" + while_count.ToString());
whilestmt.body.accept(this);
emit_b("whileloop" + while_count.ToString());
emit_label("whileend" + while_count.ToString());
emit_li("a0", 0);
}
public abstract void visit(While whil);