protected void InsertEarlyReturnLocal(ASMethod method, byte local)
{
OPCode getLocal = (local + OPCode.GetLocal_0);
ASCode code = method.Body.Code;
if (code[0] == (byte)getLocal &&
code[1] == (byte)OPCode.ReturnValue)
return;
method.Body.Code.InsertInstruction(0, getLocal);
method.Body.Code.InsertInstruction(1, OPCode.ReturnValue);
}
protected void RemoveHostSuffix(ABCFile abc, ASMethod connectMethod)
{
ASCode connectCode = connectMethod.Body.Code;
using (var inCode = new FlashReader(connectCode.ToArray()))
using (var outCode = new FlashWriter(inCode.Length))
{
int ifNeCount = 0;
while (inCode.Position != inCode.Length)
{
OPCode op = inCode.ReadOP();
outCode.WriteOP(op);
if (op == OPCode.IfNe && ++ifNeCount == 2)
{
var iFNeJumpCount = (int)inCode.ReadS24();
outCode.WriteS24(iFNeJumpCount + 6);
continue;
}
else if (op != OPCode.PushInt) continue;
int pushIntIndex = inCode.Read7BitEncodedInt();
int integerValue = abc.Constants.Integers[pushIntIndex];
switch (integerValue)
{
case 65244:
case 65185:
case 65191:
case 65189:
case 65188:
case 65174:
case 65238:
case 65184:
case 65171:
case 65172:
{
pushIntIndex = abc.Constants.PushInteger(65290);
break;
}
}
outCode.Write7BitEncodedInt(pushIntIndex);
}
connectCode.Clear();
connectCode.AddRange(outCode.ToArray());
}
RemoveDeadFalseConditions(connectCode);
}
protected void InsertEarlyReturnTrue(ASMethod method)
{
ASCode code = method.Body.Code;
if (code[0] == (byte)OPCode.PushTrue &&
code[1] == (byte)OPCode.ReturnValue)
return;
method.Body.Code.InsertInstruction(0, OPCode.PushTrue);
method.Body.Code.InsertInstruction(1, OPCode.ReturnValue);
}
private void WriteMethod(BinaryWriter writer, ASMethod method)
{
ASMethodBody body = method.Body;
writer.Write(body.Traits.Count);
writer.Write(body.Exceptions.Count);
writer.Write(body.MaxStack);
writer.Write(body.LocalCount);
writer.Write(body.MaxScopeDepth);
writer.Write(body.InitialScopeDepth);
writer.Write(body.Method.Parameters.Count);
foreach (ASParameter parameter in body.Method.Parameters)
{
switch (parameter.Type.ObjName)
{
case "int":
case "Class":
case "Array":
case "String":
case "Boolean":
case "Function":
{
writer.Write(parameter.Type.ObjName);
break;
}
}
writer.Write(parameter.IsOptional);
if (parameter.IsOptional)
writer.Write((byte)parameter.ValueType);
}
ASCode code = body.Code;
writer.Write("OPERATIONS");
using (var inCode = new FlashReader(code.ToArray()))
{
string instructions = string.Empty;
while (inCode.Position != inCode.Length)
{
OPCode op = inCode.ReadOP();
inCode.ReadValues(op);
instructions += (op + "\r\n");
writer.Write((byte)op);
}
}
}
