/** Creates the 'invoke' method. */
protected void createInvokeMethod() {
String invokeDesc = buildInvokeMethodSignature();
MethodVisitor cv =
m_cw.visitMethod(
ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
INVOKE_METHOD_NAME,
invokeDesc,
null,
new String[] {THROWABLE_CLASS_NAME});
AsmHelper.loadArgumentTypes(cv, Type.getArgumentTypes(invokeDesc), true);
cv.visitMethodInsn(
INVOKESTATIC, m_redefinedModel.getJoinPointClassName(), INVOKE_METHOD_NAME, invokeDesc);
AsmHelper.addReturnStatement(cv, Type.getReturnType(invokeDesc));
cv.visitMaxs(0, 0);
}
/**
* TODO refactor - many member fields holds data that is in either the adviceDef (which is in the
* class) or the aspectDef (which is accessible from the adviceDef)
*
* <p>Creates a new advice info.
*
* @param aspectQualifiedName
* @param aspectClassName
* @param aspectDeploymentModel
* @param methodName
* @param methodSignature
* @param methodParameterTypes
* @param type the advice type
* @param specialArgumentType the special arg type
* @param adviceName full qualified advice method name (aspectFQN/advice(call sig))
* @param targetWithRuntimeCheck true if a runtime check is needed based on target instance
* @param expressionInfo
* @param expressionContext
* @param adviceDef
*/
public AdviceInfo(
final String aspectQualifiedName,
final String aspectClassName,
final int aspectDeploymentModel,
final String methodName,
final String methodSignature,
final Type[] methodParameterTypes,
final AdviceType type,
final String specialArgumentType,
final String adviceName,
final boolean targetWithRuntimeCheck,
final ExpressionInfo expressionInfo,
final ExpressionContext expressionContext,
final AdviceDefinition adviceDef) {
m_aspectQualifiedName = aspectQualifiedName;
m_aspectClassName = aspectClassName;
m_aspectDeploymentModel = aspectDeploymentModel;
m_methodName = methodName;
m_methodSignature = methodSignature;
m_methodParameterTypes = methodParameterTypes;
m_type = type;
if (specialArgumentType != null) {
m_specialArgumentTypeDesc = AsmHelper.convertReflectDescToTypeDesc(specialArgumentType);
m_specialArgumentTypeName = specialArgumentType.replace('.', '/');
}
m_name = adviceName;
m_targetWithRuntimeCheck = targetWithRuntimeCheck;
m_expressionInfo = expressionInfo;
m_expressionContext = expressionContext;
m_adviceDef = adviceDef;
}
/**
* Adds the mixin methods to the target class.
*
* @param fieldInfo
* @param mixinDef
*/
private void addMixinMethods(final MixinFieldInfo fieldInfo, final MixinDefinition mixinDef) {
for (Iterator it3 = mixinDef.getMethodsToIntroduce().iterator(); it3.hasNext(); ) {
MethodInfo methodInfo = (MethodInfo) it3.next();
final String methodName = methodInfo.getName();
final String methodSignature = methodInfo.getSignature();
if (m_addedMethods.contains(
AlreadyAddedMethodVisitor.getMethodKey(methodName, methodSignature))) {
continue;
}
MethodVisitor mv =
cv.visitMethod(ACC_PUBLIC + ACC_SYNTHETIC, methodName, methodSignature, null, null);
if (fieldInfo.isStatic) {
mv.visitFieldInsn(
GETSTATIC,
m_declaringTypeName,
fieldInfo.fieldName,
fieldInfo.mixinClassInfo.getSignature());
} else {
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(
GETFIELD,
m_declaringTypeName,
fieldInfo.fieldName,
fieldInfo.mixinClassInfo.getSignature());
}
AsmHelper.loadArgumentTypes(mv, Type.getArgumentTypes(methodSignature), false);
mv.visitMethodInsn(
INVOKEVIRTUAL,
fieldInfo.mixinClassInfo.getName().replace('.', '/'),
methodName,
methodSignature);
AsmHelper.addReturnStatement(mv, Type.getReturnType(methodSignature));
mv.visitMaxs(0, 0);
}
}
/**
* Handles the arguments to the after advice.
*
* @param cv
* @param adviceMethodInfo
* @param joinPointInstanceIndex
*/
public void createAfterAdviceArgumentHandling(
final MethodVisitor cv,
final AdviceMethodInfo adviceMethodInfo,
final int joinPointInstanceIndex) {
final String joinPointClassName = adviceMethodInfo.getJoinPointClassName();
final int joinPointIndex = joinPointInstanceIndex;
final String specArgDesc = adviceMethodInfo.getSpecialArgumentTypeDesc();
if (specArgDesc == null) {
cv.visitInsn(ACONST_NULL);
} else {
cv.visitVarInsn(ALOAD, adviceMethodInfo.getSpecialArgumentIndex());
AsmHelper.wrapPrimitiveType(cv, Type.getType(specArgDesc));
}
cv.visitFieldInsn(
GETSTATIC, joinPointClassName, SIGNATURE_FIELD_NAME, METHOD_SIGNATURE_IMPL_CLASS_SIGNATURE);
cv.visitMethodInsn(
INVOKEVIRTUAL,
METHOD_SIGNATURE_IMPL_CLASS_NAME,
GET_METHOD_METHOD_NAME,
GET_METHOD_METHOD_SIGNATURE);
if (Type.getArgumentTypes(adviceMethodInfo.getCalleeMemberDesc()).length == 0) {
cv.visitInsn(ACONST_NULL);
} else {
cv.visitVarInsn(ALOAD, joinPointIndex);
cv.visitMethodInsn(
INVOKEVIRTUAL, joinPointClassName, GET_RTTI_METHOD_NAME, GET_RTTI_METHOD_SIGNATURE);
cv.visitTypeInsn(CHECKCAST, METHOD_RTTI_IMPL_CLASS_NAME);
cv.visitMethodInsn(
INVOKEVIRTUAL,
METHOD_RTTI_IMPL_CLASS_NAME,
GET_PARAMETER_VALUES_METHOD_NAME,
GET_ARGUMENTS_METHOD_SIGNATURE);
}
cv.visitVarInsn(ALOAD, joinPointIndex);
cv.visitFieldInsn(
GETFIELD,
joinPointClassName,
CALLEE_INSTANCE_FIELD_NAME,
adviceMethodInfo.getCalleeClassSignature());
}