public override void storeRegister(StoreRegister action)
{
start(action);
String variableName = variableNameForRegister(action.register);
out_Renamed.WriteLine(" $" + action.register + ((variableName == null)?"":" \t\t; " + variableName));
}
public virtual void storeRegister(StoreRegister action)
{
}
/// <summary> Walk the actions filling in the names of functions as we go.
/// This is done by looking for DefineFunction's actions and then
/// examining the content of the stack for a name.
///
/// </summary>
/// <param name="c">list of actions to be traversed
/// </param>
/// <param name="swfVersion">version of swf file that housed the ActionList (just use 7 if you don't know)
/// </param>
/// <param name="pool">optional; constant pool for the list of actions
/// </param>
/// <param name="className">optional; used to locate a constructor function (i.e if funcName == className)
/// </param>
/// <param name="profileOffsets">optional; is filled with offsets if a call to a
/// function named 'profile' is encountered. Can be null if caller is not
/// interested in obtaining this information.
/// </param>
public static void walkActions(ActionList c, int swfVersion, String[] pool, String className, System.Collections.IList profileOffsets)
{
// assumption: ActionContext c is always not null! try-catch-finally may be busted.
if (c == null)
{
return;
}
System.Collections.Stack evalStack = new System.Collections.Stack();
System.Collections.Hashtable variables = new System.Collections.Hashtable();
// loop again, this time, we register all the actions...
int offset;
Action a;
for (int i = 0; i < c.size(); i++)
{
offset = c.getOffset(i);
a = c.getAction(i);
switch (a.code)
{
// Flash 1 and 2 actions
case ActionConstants.sactionHasLength:
case ActionConstants.sactionNone:
case ActionConstants.sactionGotoFrame:
case ActionConstants.sactionGetURL:
case ActionConstants.sactionNextFrame:
case ActionConstants.sactionPrevFrame:
case ActionConstants.sactionPlay:
case ActionConstants.sactionStop:
case ActionConstants.sactionToggleQuality:
case ActionConstants.sactionStopSounds:
case ActionConstants.sactionWaitForFrame:
// Flash 3 Actions
case ActionConstants.sactionSetTarget:
case ActionConstants.sactionGotoLabel:
// no action
break;
// Flash 4 Actions
case ActionConstants.sactionAdd:
case ActionConstants.sactionSubtract:
case ActionConstants.sactionMultiply:
case ActionConstants.sactionDivide:
case ActionConstants.sactionEquals:
case ActionConstants.sactionLess:
case ActionConstants.sactionAnd:
case ActionConstants.sactionOr:
case ActionConstants.sactionStringEquals:
case ActionConstants.sactionStringAdd:
case ActionConstants.sactionStringLess:
case ActionConstants.sactionMBStringLength:
case ActionConstants.sactionGetProperty:
// pop, pop, push
pop(evalStack);
break;
case ActionConstants.sactionNot:
case ActionConstants.sactionStringLength:
case ActionConstants.sactionToInteger:
case ActionConstants.sactionCharToAscii:
case ActionConstants.sactionAsciiToChar:
case ActionConstants.sactionMBCharToAscii:
case ActionConstants.sactionMBAsciiToChar:
case ActionConstants.sactionRandomNumber:
// pop, push
break;
case ActionConstants.sactionGetVariable:
Object key = pop(evalStack);
if (variables[key] == null)
{
evalStack.Push(key);
}
else
{
evalStack.Push(variables[key]);
}
break;
case ActionConstants.sactionStringExtract:
case ActionConstants.sactionMBStringExtract:
// pop, pop, pop, push
pop(evalStack);
pop(evalStack);
break;
case ActionConstants.sactionPush:
Push p = (Push)a;
System.Object o = p.value;
int type = Push.getTypeCode(o);
switch (type)
{
case ActionConstants.kPushStringType:
evalStack.Push(o);
break;
case ActionConstants.kPushNullType:
evalStack.Push("null");
break;
case ActionConstants.kPushUndefinedType:
evalStack.Push("undefined");
break;
case ActionConstants.kPushRegisterType:
evalStack.Push(registers[(int)((SByte)o) & 0xFF]);
break;
case ActionConstants.kPushConstant8Type:
case ActionConstants.kPushConstant16Type:
evalStack.Push(pool[Convert.ToInt32(((ValueType)o)) & 0xFFFF]);
break;
case ActionConstants.kPushFloatType:
evalStack.Push(o + "F");
break;
case ActionConstants.kPushBooleanType:
case ActionConstants.kPushDoubleType:
case ActionConstants.kPushIntegerType:
evalStack.Push(o);
break;
default:
evalStack.Push("type" + type);
break;
}
break;
case ActionConstants.sactionIf:
pop(evalStack);
break;
case ActionConstants.sactionPop:
case ActionConstants.sactionCall:
case ActionConstants.sactionGotoFrame2:
case ActionConstants.sactionSetTarget2:
case ActionConstants.sactionRemoveSprite:
case ActionConstants.sactionWaitForFrame2:
case ActionConstants.sactionTrace:
// pop
pop(evalStack);
break;
case ActionConstants.sactionJump:
case ActionConstants.sactionEndDrag:
// no action
break;
case ActionConstants.sactionSetVariable:
key = pop(evalStack);
Object val = pop(evalStack);
variables[key] = val;
break;
case ActionConstants.sactionGetURL2:
// pop, pop
pop(evalStack);
pop(evalStack);
break;
case ActionConstants.sactionSetProperty:
case ActionConstants.sactionCloneSprite:
// pop, pop, pop
pop(evalStack);
pop(evalStack);
pop(evalStack);
break;
case ActionConstants.sactionStartDrag:
// pop, pop, pop, if the 3rd pop is non-zero, pop, pop, pop, pop
pop(evalStack);
pop(evalStack);
Object obj = pop(evalStack);
if (Int32.Parse(obj.ToString()) != 0)
{
pop(evalStack);
pop(evalStack);
pop(evalStack);
pop(evalStack);
}
break;
case ActionConstants.sactionGetTime:
// push
evalStack.Push(dummy);
break;
// Flash 5 actions
case ActionConstants.sactionDelete:
pop(evalStack);
break;
case ActionConstants.sactionDefineLocal:
// pop, pop
val = pop(evalStack);
key = pop(evalStack);
variables[key] = val;
break;
case ActionConstants.sactionDefineFunction:
case ActionConstants.sactionDefineFunction2:
DefineFunction f = (DefineFunction)a;
if (swfVersion > 6 && className != null)
{
if (f.name == null || f.name.Length == 0)
{
int depth = evalStack.Count;
if (depth != 0)
{
o = evalStack.Peek();
if (o == dummy)
{
f.name = "";
}
else if (o != null)
{
f.name = o.ToString();
}
}
evalStack.Push(dummy);
}
if (f.name == "null")
{
f.name = "";
}
if (f.name == null || f.name.Length == 0)
{
// do nothing... it's an anonymous function!
}
else if (!className.EndsWith(f.name))
{
f.name = className + "." + f.name;
}
else
{
f.name = className + ".[constructor]";
}
}
else
{
if (f.name == null || f.name.Length == 0)
{
System.Text.StringBuilder buffer = new System.Text.StringBuilder();
Boolean bFirst = true;
foreach (Object ob in evalStack)
{
if (ob == dummy)
{
break;
}
else if (bFirst)
{
buffer.Append(ob);
bFirst = false;
}
else
{
buffer.Insert(0, '.');
buffer.Insert(0, ob);
}
}
f.name = buffer.ToString();
if (f.name != null && f.name.IndexOf(".prototype.") == -1)
{
f.name = "";
}
evalStack.Push(dummy);
}
}
// evalActions(f.actions);
break;
case ActionConstants.sactionCallFunction:
Object function = pop(evalStack);
if (profileOffsets != null && "profile".Equals(function))
{
profileOffsets.Add((Int32)(offset - 13)); // Push 1
profileOffsets.Add((Int32)(offset - 5)); // Push 'profile'
profileOffsets.Add((Int32)offset); // CallFunction
profileOffsets.Add((Int32)(offset + 1)); // Pop
}
int n = Convert.ToInt32(((System.ValueType)pop(evalStack)));
for (int k = 0; k < n; k++)
{
pop(evalStack);
}
evalStack.Push(dummy);
break;
case ActionConstants.sactionReturn:
// return function() { ... } doesn't push...
pop(evalStack);
break;
case ActionConstants.sactionModulo:
// pop, push
break;
case ActionConstants.sactionNewObject:
pop(evalStack);
int num = Convert.ToInt32(((ValueType)pop(evalStack)));
for (int k = 0; k < num; k++)
{
pop(evalStack);
}
evalStack.Push(dummy);
break;
case ActionConstants.sactionDefineLocal2:
case ActionConstants.sactionDelete2:
case ActionConstants.sactionAdd2:
case ActionConstants.sactionLess2:
// pop
pop(evalStack);
break;
case ActionConstants.sactionInitArray:
// pop, if the first pop is non-zero, keep popping
num = Convert.ToInt32(((ValueType)pop(evalStack)));
for (int k = 0; k < num; k++)
{
pop(evalStack);
}
evalStack.Push(dummy);
break;
case ActionConstants.sactionInitObject:
num = Convert.ToInt32(((ValueType)pop(evalStack))) * 2;
for (int k = 0; k < num; k++)
{
pop(evalStack);
}
evalStack.Push(dummy);
break;
case ActionConstants.sactionTargetPath:
case ActionConstants.sactionEnumerate:
case ActionConstants.sactionToNumber:
case ActionConstants.sactionToString:
case ActionConstants.sactionTypeOf:
// no action
break;
case ActionConstants.sactionStoreRegister:
StoreRegister r = (StoreRegister)a;
registers[r.register] = evalStack.Peek();
break;
case ActionConstants.sactionEquals2:
// pop, pop, push
// if (evalStack.size() >= 2)
{
pop(evalStack);
}
break;
case ActionConstants.sactionPushDuplicate:
evalStack.Push(dummy);
break;
case ActionConstants.sactionStackSwap:
// pop, pop, push, push
break;
case ActionConstants.sactionGetMember:
// pop, pop, concat, push
Object o1 = pop(evalStack);
Object o2 = pop(evalStack);
if (pool != null)
{
try
{
evalStack.Push(pool[Int32.Parse(o2.ToString())] + "." + pool[Int32.Parse(o1.ToString())]);
}
catch (Exception)
{
if (o1 == dummy || o2 == dummy)
{
evalStack.Push(dummy);
}
else
{
evalStack.Push(o2 + "." + o1);
}
}
}
else
{
evalStack.Push(o2 + "." + o1);
}
break;
case ActionConstants.sactionSetMember:
// pop, pop, pop
pop(evalStack);
pop(evalStack);
pop(evalStack);
break;
case ActionConstants.sactionIncrement:
case ActionConstants.sactionDecrement:
break;
case ActionConstants.sactionCallMethod:
pop(evalStack);
pop(evalStack);
Object obj2 = pop(evalStack);
if (obj2 is String)
{
try
{
n = Int32.Parse((String)obj2);
}
catch (FormatException)
{
n = 1;
}
}
else
{
n = Convert.ToInt32(((ValueType)obj2));
}
for (int k = 0; k < n; k++)
{
pop(evalStack);
}
evalStack.Push(dummy);
break;
case ActionConstants.sactionNewMethod:
/*Object meth =*/ pop(evalStack);
/*Object cls =*/ pop(evalStack);
num = Convert.ToInt32(((ValueType)pop(evalStack)));
for (int k = 0; k < num; k++)
{
pop(evalStack);
}
evalStack.Push(dummy);
break;
case ActionConstants.sactionWith:
// pop
pop(evalStack);
break;
case ActionConstants.sactionConstantPool:
pool = ((ConstantPool)a).pool;
// no action
break;
case ActionConstants.sactionStrictMode:
break;
case ActionConstants.sactionBitAnd:
case ActionConstants.sactionBitOr:
case ActionConstants.sactionBitLShift:
// pop, push
break;
case ActionConstants.sactionBitXor:
case ActionConstants.sactionBitRShift:
case ActionConstants.sactionBitURShift:
pop(evalStack);
break;
// Flash 6 actions
case ActionConstants.sactionInstanceOf:
pop(evalStack);
break;
case ActionConstants.sactionEnumerate2:
// pop, push, more pushes?
break;
case ActionConstants.sactionStrictEquals:
case ActionConstants.sactionGreater:
case ActionConstants.sactionStringGreater:
pop(evalStack);
break;
// FEATURE_EXCEPTIONS
case ActionConstants.sactionTry:
// do nothing
break;
case ActionConstants.sactionThrow:
pop(evalStack);
break;
// FEATURE_AS2_INTERFACES
case ActionConstants.sactionCastOp:
break;
case ActionConstants.sactionImplementsOp:
break;
// Reserved for Quicktime
case ActionConstants.sactionQuickTime:
break;
default:
break;
}
}
}
