private PrimitiveToken ReadPrimitive(BinaryReader reader, AxData data)
{
PrimitiveToken ret = null;
int theTokenOffset = tokenOffset;
int type = reader.ReadByte();
int flag = reader.ReadByte();
int value = 0;
int extraValue = -1;
tokenOffset += 1;
if ((flag & 0x80) == 0x80)
{
value = reader.ReadInt32();
tokenOffset += 2;
}
else
{
value = reader.ReadUInt16();
tokenOffset += 1;
}
HspDictionaryKey key = new HspDictionaryKey();
key.Type = type;
key.Value = value;
HspDictionaryValue dicValue;
if (dictionary.CodeLookUp(key, out dicValue))
{
if ((dicValue.Extra & HspCodeExtraFlags.HasExtraInt16) == HspCodeExtraFlags.HasExtraInt16)
{
//HSP3.0aの仕様では行頭にないif,elseはジャンプ先アドレスを持たない。
if ((flag & 0x20) == 0x20)
{
extraValue = reader.ReadUInt16();
tokenOffset += 1;
ret = createPrimitive(data, dicValue, theTokenOffset, type, flag, value, extraValue);
}
else
{
ret = createPrimitive(data, dicValue, theTokenOffset, type, flag, value, -1);
}
}
else
{
ret = createPrimitive(data, dicValue, theTokenOffset, type, flag, value, -1);
}
}
else
{
ret = createPrimitive(data, new HspDictionaryValue(), theTokenOffset, type, flag, value, -1);
}
ret.SetName();
return(ret);
}
internal TokenCollection Analyze(AxData data)
{
if (!data.IsStarted)
{
throw new InvalidOperationException();
}
TokenCollection stream = new TokenCollection();
BinaryReader reader = data.Reader;
long sizeOfCode = data.Header.CodeSize;
long startOfCode = data.StartOfCode;
tokenOffset = 0;
reader.BaseStream.Seek(startOfCode, SeekOrigin.Begin);
while (tokenOffset < sizeOfCode)
{
PrimitiveToken code = ReadPrimitive(reader, data);
if (code != null)
{
stream.Add(code);
}
}
#if DEBUG
List <int> variablesCount = null;
variablesCount = subAnalyzeVariables(stream);
for (int i = 0; i < variablesCount.Count; i++)
{
if (variablesCount[i] == 1)
{
string errMsg = GlobalVariablePrimitive.ToString(i);
errMsg += ":この変数は一度しか使われていません";
global::KttK.HspDecompiler.HspConsole.Warning(errMsg);
}
if (variablesCount[i] == 0)
{
string errMsg = GlobalVariablePrimitive.ToString(i);
errMsg += ":この変数は使われていません";
global::KttK.HspDecompiler.HspConsole.Warning(errMsg);
}
}
#endif
return(stream);
}
