private void Parse_SwitchStmt()
{
int label = base.NewLabel();
int num2 = base.NewLabel();
IntegerList list = new IntegerList(true);
IntegerList list2 = new IntegerList(true);
IntegerStack stack = new IntegerStack();
int num3 = base.NewVar();
this.Gen(base.code.OP_ASSIGN, num3, base.TRUE_id, num3);
base.BreakStack.Push(label);
this.Match("switch");
base.BeginBlock();
this.Match('(');
int num4 = this.Parse_Expression();
this.Match(')');
this.Match('{');
Label_008D:
if (base.IsCurrText("case"))
{
this.Match("case");
stack.Push(base.NewLabel());
int avalue = this.Parse_Expression();
list.AddObject(avalue, stack.Peek());
this.Gen(base.code.OP_EQ, num4, avalue, num3);
this.Gen(base.code.OP_GO_TRUE, stack.Peek(), num3, 0);
}
else
{
if (!base.IsCurrText("default"))
{
while (stack.Count > 0)
{
base.SetLabelHere(stack.Peek());
stack.Pop();
}
int num6 = base.NewLabel();
this.Gen(base.code.OP_GO_FALSE, num6, num3, 0);
while ((!base.IsCurrText("case") && !base.IsCurrText("default")) && !base.IsCurrText('}'))
{
if (base.IsCurrText("goto"))
{
this.Match("goto");
if (base.IsCurrText("case"))
{
this.Match("case");
int num7 = this.Parse_Expression();
this.Gen(base.code.OP_GOTO_START, 0, 0, 0);
list2.AddObject(num7, base.CodeCard);
this.Match(';');
}
else if (base.IsCurrText("default"))
{
this.Match("default");
this.Gen(base.code.OP_GOTO_START, num2, 0, 0);
this.Match(';');
}
else
{
int num8 = this.Parse_Ident();
this.Gen(base.code.OP_GOTO_START, num8, 0, 0);
this.Match(';');
}
}
else
{
this.Parse_Stmt();
}
}
base.SetLabelHere(num6);
if (base.IsCurrText('}'))
{
base.BreakStack.Pop();
base.SetLabelHere(label);
base.EndBlock();
this.Match('}');
for (int i = 0; i < list2.Count; i++)
{
int id = list2[i];
int n = (int) list2.Objects[i];
object val = base.GetVal(id);
bool flag = false;
for (int j = 0; j < list.Count; j++)
{
int num13 = list[j];
int num14 = (int) list.Objects[j];
object obj3 = base.GetVal(num13);
if ((val.GetType() == obj3.GetType()) && (val == obj3))
{
flag = true;
base.GenAt(n, base.code.OP_GOTO_START, num14, 0, 0);
break;
}
}
if (!flag)
{
base.CodeCard = n;
base.RaiseErrorEx(true, "CS0159. No such label '{0}' within the scope of the goto statement.", new object[] { val.ToString() });
}
}
return;
}
goto Label_008D;
}
this.Match("default");
base.SetLabelHere(num2);
this.Gen(base.code.OP_ASSIGN, num3, base.TRUE_id, num3);
}
this.Match(':');
goto Label_008D;
}
public IntegerStack RecreateLevelStack(int init_n)
{
Module module = this.GetModule(init_n);
if (module == null)
{
return null;
}
IntegerStack stack = new IntegerStack();
for (int i = module.P1; i <= module.P2; i++)
{
if (this[i].op == this.OP_CREATE_METHOD)
{
stack.Push(this[i].arg1);
}
else if (this[i].op == this.OP_END_METHOD)
{
stack.Pop();
}
else if (this[i].op == this.OP_BEGIN_USING)
{
stack.Push(this[i].arg1);
}
else if (this[i].op == this.OP_END_USING)
{
stack.Pop();
}
if (i == init_n)
{
return stack;
}
}
return stack;
}