public override void parse(MSBBinaryReaderWrapper reader, ConstantPoolInfo[] pool) { //base.parse(reader,pool); maxLength = reader.ReadUInt16(); maxLocals = reader.ReadUInt16(); codeLength = reader.ReadUInt32(); int readLength = 0; while (readLength < codeLength) { ByteCode bc = ByteCodeFactory.readByteCode(reader,pool,readLength); //code.Add(bc); //if (log.IsDebugEnabled) log.DebugFormat("{0}: {1}",readLength,bc); code.Add(readLength,bc); readLength += bc.getSize(); } exceptionTableLength = reader.ReadUInt16(); //if (log.IsDebugEnabled) log.DebugFormat("Exception table length: {0}",exceptionTableLength); exceptions = new ExceptionTableEntry[exceptionTableLength]; for (int i = 0; i < exceptionTableLength; i++){ exceptions[i] = new ExceptionTableEntry(reader); } attributeCount = reader.ReadUInt16(); //if (log.IsDebugEnabled) log.DebugFormat("Have {0} code attributes",attributeCount); attributes = new AttributeInfo[attributeCount]; for (int i = 0; i < attributeCount; i++) { attributes[i] = AttributeInfo.readAttributeInfo(reader,pool); if (attributes[i] is LineNumberTableAttribute){ lineNumbers = (LineNumberTableAttribute) attributes[i]; } } }
/** * Constructs new ClassFile from the given reader_ */ public ClassFile(BinaryReader reader_) { MSBBinaryReaderWrapper reader = new MSBBinaryReaderWrapper(reader_); System.UInt32 magic = reader.ReadUInt32(); // if it doesn't start with CLASS_FILE_MAGIC, it ain't even valid! if (magic != CLASS_FILE_MAGIC) { if (log.IsDebugEnabled) log.DebugFormat("Did not get proper magic..."); if (log.IsDebugEnabled) log.DebugFormat("{0:X}",CLASS_FILE_MAGIC); if (log.IsDebugEnabled) log.DebugFormat("{0:X}",magic); } else { minor = reader.ReadUInt16(); major = reader.ReadUInt16(); if (log.IsDebugEnabled) log.DebugFormat("{0}.{1}",major,minor); /** * The constant pool is the set of Strings, method names, class names and numbers * that will be referenced throughout the class */ constantPoolCount = (UInt16)(reader.ReadUInt16() - 1); // the value here is the maximum 1-indexed entry if (log.IsDebugEnabled) log.DebugFormat("{0} constant pool entries",constantPoolCount); constantPool = new ConstantPoolInfo[constantPoolCount]; /** * Pass 1 - Read in the actual entries */ for (int i = 0; i < constantPoolCount; i++) { constantPool[i] = ConstantPoolInfoFactory.readConstantPoolEntry(reader); // Long entries take up 2 constants if (constantPool[i] is ConstantPoolInfo_Long || constantPool[i] is ConstantPoolInfo_Double){ constantPool[i+1] = constantPool[i]; i++; } if (constantPool[i] is ConstantPoolInfo_UTF8){ //ConstantPoolInfo_UTF8 utf8 = (ConstantPoolInfo_UTF8) constantPool[i]; //if (log.IsDebugEnabled) log.DebugFormat("{0} Read {1}:{2}",i+1,constantPool[i].getName(),utf8.isUnicode ? "(UNICODE STRING)" : constantPool[i].ToString()); } else { //if (log.IsDebugEnabled) log.DebugFormat("{0} Read {1}:{2}",i+1,constantPool[i].getName(),constantPool[i].ToString()); } } /** * Pass 2 - Resolve constant pool references * / */ for (int i = 0; i < constantPool.Length; i++) { constantPool[i].resolve(constantPool); //if (log.IsDebugEnabled) log.DebugFormat("{0} Read {1}:{2}",i+1,constantPool[i].getName(),constantPool[i].ToString()); } accessFlags = reader.ReadUInt16(); UInt16 thisClassIndex = reader.ReadUInt16(); thisClass = (ConstantPoolInfo_Class)constantPool[thisClassIndex - 1]; if (log.IsDebugEnabled) log.DebugFormat("This class: {0}",constantPool[thisClass.getNameIndex()-1]); UInt16 superClassIndex = reader.ReadUInt16(); if (superClassIndex != 0){ superClass = (ConstantPoolInfo_Class)constantPool[superClassIndex - 1]; if (log.IsDebugEnabled) log.DebugFormat("Super class: {0}",constantPool[superClass.getNameIndex()-1]); } else if (! thisClass.getClassName().Equals("java/lang/Object")){ throw new Exception("Only Object can have no superclasses"); } interfaceCount = reader.ReadUInt16(); if (log.IsDebugEnabled) log.DebugFormat("{0} interfaces",interfaceCount); if (interfaceCount > 0) { interfaces = new ConstantPoolInfo_Class[interfaceCount]; for (int i = 0; i < interfaceCount; i++) { UInt16 ifaceIdx = reader.ReadUInt16(); interfaces[i] = (ConstantPoolInfo_Class) constantPool[ifaceIdx -1]; } } fieldCount = reader.ReadUInt16(); if (log.IsDebugEnabled) log.DebugFormat("{0} fields",fieldCount); if (fieldCount > 0){ fields = new FieldInfo[fieldCount]; for (int i = 0; i < fieldCount; i++){ fields[i] = new FieldInfo(reader,constantPool); if (fields[i].isStatic()){ staticFieldValues.Add(fields[i].GetFieldName(),NullValue.INSTANCE); } } } methodCount = reader.ReadUInt16(); if (log.IsDebugEnabled) log.DebugFormat("{0} methods",methodCount); if (methodCount > 0) { methods = new MethodInfo[methodCount]; for (int i = 0; i < methodCount; i++) { methods[i] = new MethodInfo(reader,constantPool); //methods[i].resolve(constantPool); //if (log.IsDebugEnabled) log.DebugFormat("Method: {0}",methods[i]); //if (log.IsDebugEnabled) log.DebugFormat("Storing under {0}",methods[i].getMethodName()+methods[i].getDescriptor()); methodsByName[methods[i].getMethodName()+methods[i].getDescriptor()] = methods[i]; methods[i].SetClassFile(this); } } attributeCount = reader.ReadUInt16(); if (log.IsDebugEnabled) log.DebugFormat("{0} attributes",attributeCount); attributes = new AttributeInfo[attributeCount]; for (int i = 0; i < attributeCount; i++) { attributes[i] = AttributeInfo.readAttributeInfo(reader,constantPool); if (log.IsDebugEnabled) log.DebugFormat(attributes[i].ToString()); } } }
public AttributeInfo(ConstantPoolInfo_UTF8 name, MSBBinaryReaderWrapper reader,ConstantPoolInfo[] pool) { this.name = name; length = reader.ReadUInt32(); parse(reader,pool); }