// Object joinPoint = ___jp.get();
il.append(factory.createFieldAccess(
cg.getClassName(),
joinPoint.toString(),
new ObjectType(TransformationUtil.THREAD_LOCAL_CLASS),
Constants.GETSTATIC
));
il.append(factory.createInvoke(
TransformationUtil.THREAD_LOCAL_CLASS,
"get",
Type.OBJECT,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
il.append(factory.createStore(Type.OBJECT, indexJoinPoint));
// if (joinPoint == null) {
il.append(factory.createLoad(Type.OBJECT, indexJoinPoint));
biIfNotNull = factory.createBranchInstruction(Constants.IFNONNULL, null);
il.append(biIfNotNull);
// joinPoint = new StaticMethodJoinPoint(uuid, this, 10);
il.append(factory.createNew(TransformationUtil.STATIC_METHOD_JOIN_POINT_CLASS));
// loads the parameters (uuid, the class, the method id)
il.append(InstructionConstants.DUP);
il.append(new PUSH(cp, uuid));
il.append(factory.createFieldAccess(
cg.getClassName(),
TransformationUtil.STATIC_CLASS_FIELD,
new ObjectType("java.lang.Class"),
Constants.GETSTATIC
));
il.append(new PUSH(cp, methodId));
il.append(new PUSH(cp, controllerClassName));
// invokes the constructor
il.append(factory.createInvoke(
TransformationUtil.STATIC_METHOD_JOIN_POINT_CLASS,
"<init>",
Type.VOID,
new Type[]{Type.STRING, new ObjectType("java.lang.Class"), Type.INT, Type.STRING},
Constants.INVOKESPECIAL
));
il.append(factory.createStore(Type.OBJECT, indexJoinPoint));
// ___jp.set(joinPoint);
il.append(factory.createFieldAccess(
cg.getClassName(),
joinPoint.toString(),
new ObjectType(TransformationUtil.THREAD_LOCAL_CLASS),
Constants.GETSTATIC
));
il.append(factory.createLoad(Type.OBJECT, indexJoinPoint));
il.append(factory.createInvoke(
TransformationUtil.THREAD_LOCAL_CLASS,
"set",
Type.VOID,
new Type[]{Type.OBJECT},
Constants.INVOKEVIRTUAL
));
ihIfNotNull = il.append(factory.createLoad(Type.OBJECT, indexJoinPoint));
il.append(factory.createCheckCast(
TransformationUtil.STATIC_METHOD_JOIN_POINT_TYPE));
indexJoinPoint += 2;
il.append(factory.createStore(Type.OBJECT, indexJoinPoint));
biIfNotNull.setTarget(ihIfNotNull);
// if we have parameters, wrap them up
if (parameterTypes.length != 0) {
// create and allocate the parameters array
il.append(new PUSH(cp, parameterTypes.length));
il.append(factory.createNewArray(Type.OBJECT, (short)1));
// put it on the stack
il.append(InstructionConstants.DUP);
il.append(new PUSH(cp, idxStack));
idxStack++;
// add all the parameters, wrap the primitive types in their
// object counterparts
for (int count = 0; count < parameterTypes.length; count++) {
String wrapperClass = null;
BasicType type = null;
boolean hasLongOrDouble = false;
if (parameterTypes[count] instanceof ObjectType ||
parameterTypes[count] instanceof ArrayType) {
// we have an object or an array
il.append(factory.createLoad(Type.OBJECT, idxParam));
il.append(InstructionConstants.AASTORE);
idxParam++;
}
else if (parameterTypes[count] instanceof BasicType) {
// we have a primitive type
hasLongOrDouble = false;
if ((parameterTypes[count]).equals(Type.LONG)) {
wrapperClass = "java.lang.Long";
type = Type.LONG;
hasLongOrDouble = true;
}
else if ((parameterTypes[count]).equals(Type.INT)) {
wrapperClass = "java.lang.Integer";
type = Type.INT;
}
else if ((parameterTypes[count]).equals(Type.SHORT)) {
wrapperClass = "java.lang.Short";
type = Type.SHORT;
}
else if ((parameterTypes[count]).equals(Type.DOUBLE)) {
wrapperClass = "java.lang.Double";
type = Type.DOUBLE;
hasLongOrDouble = true;
}
else if ((parameterTypes[count]).equals(Type.FLOAT)) {
wrapperClass = "java.lang.Float";
type = Type.FLOAT;
}
else if ((parameterTypes[count]).equals(Type.CHAR)) {
wrapperClass = "java.lang.Character";
type = Type.CHAR;
}
else if ((parameterTypes[count]).equals(Type.BYTE)) {
wrapperClass = "java.lang.Byte";
type = Type.BYTE;
}
else if ((parameterTypes[count]).equals(Type.BOOLEAN)) {
wrapperClass = "java.lang.Boolean";
type = Type.BOOLEAN;
}
else {
throw new RuntimeException("unknown parameter type: " + parameterTypes[count]);
}
il.append(factory.createNew(wrapperClass));
il.append(InstructionConstants.DUP);
il.append(factory.createLoad(type, idxParam));
il.append(factory.createInvoke(
wrapperClass,
"<init>",
Type.VOID,
new Type[]{type},
Constants.INVOKESPECIAL
));
il.append(InstructionConstants.AASTORE);
idxParam++;
} // end handle basic or object type
if (count != parameterTypes.length - 1) {
// if we don't have the last parameter,
// create the parameter on the stack
il.append(InstructionConstants.DUP);
il.append(new PUSH(cp, idxStack));
idxStack++;
// long's and double's needs two registers to fit
if (hasLongOrDouble) {
idxParam++;
}
}
}
// create the object array
il.append(factory.createStore(Type.OBJECT, idxParam));
// if threadsafe grab the newly retrieved local join point field from the stack
il.append(factory.createLoad(Type.OBJECT, indexJoinPoint));
// invoke joinPoint.setParameter(..)
il.append(factory.createLoad(Type.OBJECT, idxParam));
il.append(factory.createInvoke(
TransformationUtil.STATIC_METHOD_JOIN_POINT_CLASS,
"setParameters",
Type.VOID,
new Type[]{new ArrayType(Type.OBJECT, 1)},
Constants.INVOKEVIRTUAL
));
idxParam++;
} // end - if parameters.length != 0
// if threadsafe grab the newly retrieved local join point field from the stack
il.append(factory.createLoad(Type.OBJECT, indexJoinPoint));
il.append(factory.createInvoke(
TransformationUtil.STATIC_METHOD_JOIN_POINT_CLASS,
"proceed",
Type.OBJECT,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
if (!returnType.equals(Type.VOID)) {
// create the result from the invocation
il.append(factory.createStore(Type.OBJECT, idxParam));
il.append(factory.createLoad(Type.OBJECT, idxParam));
// cast the result and return it, if the return type is a
// primitive type, retrieve it from the wrapped object first
if (returnType instanceof BasicType) {
if (returnType.equals(Type.LONG)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Long")
));
il.append(factory.createInvoke(
"java.lang.Long",
"longValue",
Type.LONG,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
}
else if (returnType.equals(Type.INT)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Integer")
));
il.append(factory.createInvoke(
"java.lang.Integer",
"intValue",
Type.INT,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
}
else if (returnType.equals(Type.SHORT)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Short")
));
il.append(factory.createInvoke(
"java.lang.Short",
"shortValue",
Type.SHORT,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
}
else if (returnType.equals(Type.DOUBLE)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Double")
));
il.append(factory.createInvoke(
"java.lang.Double",
"doubleValue",
Type.DOUBLE,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
}
else if (returnType.equals(Type.FLOAT)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Float")
));
il.append(factory.createInvoke(
"java.lang.Float",
"floatValue",
Type.FLOAT,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
}
else if (returnType.equals(Type.CHAR)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Character")
));
il.append(factory.createInvoke(
"java.lang.Character",
"charValue",
Type.CHAR,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
}
else if (returnType.equals(Type.BYTE)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Byte")
));
il.append(factory.createInvoke(
"java.lang.Byte",
"byteValue",
Type.BYTE,
Type.NO_ARGS,
Constants.INVOKEVIRTUAL
));
}
else if (returnType.equals(Type.BOOLEAN)) {
il.append(factory.createCheckCast(
new ObjectType("java.lang.Boolean")
));
il.append(factory.createInvoke(
"java.lang.Boolean",
"booleanValue",
Type.BOOLEAN,