void processMethods() throws IOException {
int methodsCount = is.readUnsignedShort();
os.writeShort(methodsCount);
for (int i = 0; i < methodsCount; i++) {
MethodInfo methodInfo = readMethod();
if (methodInfo.getInterceptorClass() != null) {
injectCode(methodInfo);
}
methods.add(methodInfo);
}
writeMethods();
}
private void injectCode(MethodInfo methodInfo) throws IOException {
if (methodInfo.getCode() == null) {
return;
}
InterceptorConstants interceptorConstants =
getOrInsertInterceptorConstants(methodInfo.getInterceptorClass());
fixupSignature(methodInfo.getSignature());
Map<String, Integer> wrapperMethods =
getOrInsertPrimitiveWrapperMethods(methodInfo.getSignature());
ByteArrayOutputStream codeToInject = new ByteArrayOutputStream();
InstructionsFacility instructionsFacility =
new InstructionsFacility(
new DataOutputStream(codeToInject),
methodInfo.getSignature(),
interceptorConstants,
wrapperMethods);
instructionsFacility.generateInterceptorInstantiationCode();
instructionsFacility.generateInterceptorMethodParametersCode(getObjectClassIndex());
instructionsFacility.generateObjectArrayFillingCode();
instructionsFacility.generateInterceptorInvocationCode(
interceptorConstants.getInterceptorMethod());
Code code = methodInfo.getCode();
int originalStackSize = code.getMaxStack();
code.setMaxStack(Math.max(originalStackSize, instructionsFacility.getStackSizeNeeded()));
code.setInjected(codeToInject.toByteArray());
code.refresh();
}