/** Method invocation. */
public void visitInvokeInstruction(InvokeInstruction i) {
Type[] argTypes = i.getArgumentTypes(cp);
for (int j = 0; j < argTypes.length; j++) cv.registerCoupling(argTypes[j]);
cv.registerCoupling(i.getReturnType(cp));
/* Measuring decision: measure overloaded methods separately */
cv.registerMethodInvocation(i.getClassName(cp), i.getMethodName(cp), argTypes);
}
/** Visit the method's exception handlers. */
private void updateExceptionHandlers() {
CodeExceptionGen[] handlers = mg.getExceptionHandlers();
/* Measuring decision: couple exceptions */
for (int i = 0; i < handlers.length; i++) {
Type t = handlers[i].getCatchType();
if (t != null) cv.registerCoupling(t);
}
}
/** Visit an instanceof instruction. */
public void visitINSTANCEOF(INSTANCEOF i) {
cv.registerCoupling(i.getType(cp));
}
/** Field access. */
public void visitFieldInstruction(FieldInstruction i) {
cv.registerFieldAccess(i.getClassName(cp), i.getFieldName(cp));
cv.registerCoupling(i.getFieldType(cp));
}
/** Array use. */
public void visitArrayInstruction(ArrayInstruction i) {
cv.registerCoupling(i.getType(cp));
}
/** Local variable use. */
public void visitLocalVariableInstruction(LocalVariableInstruction i) {
if (i.getOpcode() != Constants.IINC) cv.registerCoupling(i.getType(cp));
}
/** Constructor. */
MethodVisitor(MethodGen m, ClassVisitor c) {
mg = m;
cv = c;
cp = mg.getConstantPool();
cm = cv.getMetrics();
}
/** Visit return instruction. */
public void visitReturnInstruction(ReturnInstruction i) {
cv.registerCoupling(i.getType(cp));
}
/** Visit checklast instruction. */
public void visitCHECKCAST(CHECKCAST i) {
cv.registerCoupling(i.getType(cp));
}