private int readAnnotationTarget()

in org.eclipse.sisu.inject/src/org/eclipse/sisu/space/asm/ClassReader.java [1651:1710]
51 lines of code
17 McCabe index (conditional complexity)

    private int readAnnotationTarget(final Context context, int u) {
        int target = readInt(u);
        switch (target >>> 24) {
        case 0x00: // CLASS_TYPE_PARAMETER
        case 0x01: // METHOD_TYPE_PARAMETER
        case 0x16: // METHOD_FORMAL_PARAMETER
            target &= 0xFFFF0000;
            u += 2;
            break;
        case 0x13: // FIELD
        case 0x14: // METHOD_RETURN
        case 0x15: // METHOD_RECEIVER
            target &= 0xFF000000;
            u += 1;
            break;
        case 0x40: // LOCAL_VARIABLE
        case 0x41: { // RESOURCE_VARIABLE
            target &= 0xFF000000;
            int n = readUnsignedShort(u + 1);
            context.start = new Label[n];
            context.end = new Label[n];
            context.index = new int[n];
            u += 3;
            for (int i = 0; i < n; ++i) {
                int start = readUnsignedShort(u);
                int length = readUnsignedShort(u + 2);
                context.start[i] = readLabel(start, context.labels);
                context.end[i] = readLabel(start + length, context.labels);
                context.index[i] = readUnsignedShort(u + 4);
                u += 6;
            }
            break;
        }
        case 0x47: // CAST
        case 0x48: // CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
        case 0x49: // METHOD_INVOCATION_TYPE_ARGUMENT
        case 0x4A: // CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
        case 0x4B: // METHOD_REFERENCE_TYPE_ARGUMENT
            target &= 0xFF0000FF;
            u += 4;
            break;
        // case 0x10: // CLASS_EXTENDS
        // case 0x11: // CLASS_TYPE_PARAMETER_BOUND
        // case 0x12: // METHOD_TYPE_PARAMETER_BOUND
        // case 0x17: // THROWS
        // case 0x42: // EXCEPTION_PARAMETER
        // case 0x43: // INSTANCEOF
        // case 0x44: // NEW
        // case 0x45: // CONSTRUCTOR_REFERENCE
        // case 0x46: // METHOD_REFERENCE
        default:
            target &= (target >>> 24) < 0x43 ? 0xFFFFFF00 : 0xFF000000;
            u += 3;
            break;
        }
        int pathLength = readByte(u);
        context.typeRef = target;
        context.typePath = pathLength == 0 ? null : new TypePath(b, u);
        return u + 1 + 2 * pathLength;
    }