private bool PeekElemTypeSize()

in ClrMemDiag/Utilities/sigparser.cs [205:274]
58 lines of code
31 McCabe index (conditional complexity)

        private bool PeekElemTypeSize(out int pSize)
        {
            pSize = 0;
            SigParser sigTemp = new SigParser(this);

            if (!sigTemp.SkipAnyVASentinel())
                return false;

            byte bElementType = 0;
            if (!sigTemp.GetByte(out bElementType))
                return false;


            switch (bElementType)
            {
                case ELEMENT_TYPE_I8:
                case ELEMENT_TYPE_U8:
                case ELEMENT_TYPE_R8:
                    pSize = 8;
                    break;

                case ELEMENT_TYPE_I4:
                case ELEMENT_TYPE_U4:
                case ELEMENT_TYPE_R4:
                    pSize = 4;
                    break;

                case ELEMENT_TYPE_I2:
                case ELEMENT_TYPE_U2:
                case ELEMENT_TYPE_CHAR:
                    pSize = 2;
                    break;

                case ELEMENT_TYPE_I1:
                case ELEMENT_TYPE_U1:
                case ELEMENT_TYPE_BOOLEAN:
                    pSize = 1;
                    break;

                case ELEMENT_TYPE_I:
                case ELEMENT_TYPE_U:
                case ELEMENT_TYPE_STRING:
                case ELEMENT_TYPE_PTR:
                case ELEMENT_TYPE_BYREF:
                case ELEMENT_TYPE_CLASS:
                case ELEMENT_TYPE_OBJECT:
                case ELEMENT_TYPE_FNPTR:
                case ELEMENT_TYPE_TYPEDBYREF:
                case ELEMENT_TYPE_ARRAY:
                case ELEMENT_TYPE_SZARRAY:
                    pSize = IntPtr.Size;
                    break;

                case ELEMENT_TYPE_VOID:
                    break;

                case ELEMENT_TYPE_END:
                case ELEMENT_TYPE_CMOD_REQD:
                case ELEMENT_TYPE_CMOD_OPT:
                case ELEMENT_TYPE_VALUETYPE:
                    Debug.Fail("Asked for the size of an element that doesn't have a size!");
                    return false;

                default:
                    Debug.Fail("CorSigGetElementTypeSize given invalid signature to size!");
                    return false;
            }

            return true; ;
        }