public void visitFieldInsn()

in modules/privilizer/weaver/src/main/java/org/apache/commons/weaver/privilizer/BlueprintingVisitor.java [525:562]

31 lines of code
5 McCabe index (conditional complexity)


        public void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) {
            final Pair<Type, String> key = Pair.of(Type.getObjectType(owner), name);
            final FieldAccess fieldAccess = fieldAccessMap.get(key);
            Validate.isTrue(fieldAccesses.contains(fieldAccess), "Cannot find field %s", key);
            final int fieldIndex = fieldAccesses.indexOf(fieldAccess);
            visitInsn(NOP);
            loadLocal(localFieldArray);
            push(fieldIndex);
            arrayLoad(fieldArrayType.getElementType());
            checkCast(fieldType);

            final Method access;
            if (opcode == PUTSTATIC) {
                // value should have been at top of stack on entry; position the field under the value:
                swap();
                // add null object for static field deref and swap under value:
                push((String) null);
                swap();
                if (fieldAccess.type.getSort() < Type.ARRAY) {
                    // box value:
                    valueOf(fieldAccess.type);
                }
                access = Method.getMethod("void set(Object, Object)");
            } else {
                access = Method.getMethod("Object get(Object)");
                // add null object for static field deref:
                push((String) null);
            }

            invokeVirtual(fieldType, access);

            if (opcode == GETSTATIC) {
                checkCast(Privilizer.wrap(fieldAccess.type));
                if (fieldAccess.type.getSort() < Type.ARRAY) {
                    unbox(fieldAccess.type);
                }
            }
        }