loop.cpp

/** Static fieldpath lookup */
force_inline fieldop* fieldop_lookup(uint32_t id) {
	switch (id) {
		case 0: // PlusOne
			return &fieldpath_operations[0];
		case 2: // FieldPathEncodeFinish
			return &fieldpath_operations[39];
		case 14: // PlusTwo
			return &fieldpath_operations[1];
		case 15: // PushOneLeftDeltaNRightNonZeroPack6Bits
			return &fieldpath_operations[11];
		case 24: // PushOneLeftDeltaOneRightNonZero
			return &fieldpath_operations[8];
		case 26: // PlusN
			return &fieldpath_operations[4];
		case 50: // PlusThree
			return &fieldpath_operations[2];
		case 51: // PopAllButOnePlusOne
			return &fieldpath_operations[29];
		case 217: // PushOneLeftDeltaNRightNonZero
			return &fieldpath_operations[10];
		case 218: // PushOneLeftDeltaOneRightZero
			return &fieldpath_operations[7];
		case 220: // PushOneLeftDeltaNRightZero
			return &fieldpath_operations[9];
		case 222: // PopAllButOnePlusNPack6Bits
			return &fieldpath_operations[32];
		case 223: // PlusFour
			return &fieldpath_operations[3];
		case 432: // PopAllButOnePlusN
			return &fieldpath_operations[30];
		case 438: // PushOneLeftDeltaNRightNonZeroPack8Bits
			return &fieldpath_operations[12];
		case 439: // NonTopoPenultimatePlusOne
			return &fieldpath_operations[37];
		case 442: // PopAllButOnePlusNPack3Bits
			return &fieldpath_operations[31];
		case 443: // PushNAndNonTopological
			return &fieldpath_operations[26];
		case 866: // NonTopoComplexPack4Bits
			return &fieldpath_operations[28];
		case 1735: // NonTopoComplex
			return &fieldpath_operations[36];
		case 3469: // PushOneLeftDeltaZeroRightZero
			return &fieldpath_operations[5];
		case 27745: // PopOnePlusOne
			return &fieldpath_operations[27];
		case 27749: // PushOneLeftDeltaZeroRightNonZero
			return &fieldpath_operations[6];
		case 55488: // PopNAndNonTopographical
			return &fieldpath_operations[25];
		case 55489: // PopNPlusN
			return &fieldpath_operations[24];
		case 55492: // PushN
			return &fieldpath_operations[25];
		case 55493: // PushThreePack5LeftDeltaN
			return &fieldpath_operations[24];
		case 55494: // PopNPlusOne
			return &fieldpath_operations[33];
		case 55495: // PopOnePlusN
			return &fieldpath_operations[28];
		case 55496: // PushTwoLeftDeltaZero
			return &fieldpath_operations[13];
		case 110994: // PushThreeLeftDeltaZero
			return &fieldpath_operations[15];
		case 110995: // PushTwoPack5LeftDeltaZero
			return &fieldpath_operations[14];
		case 111000: // PushTwoLeftDeltaN
			return &fieldpath_operations[21];
		case 111001: // PushThreePack5LeftDeltaOne
			return &fieldpath_operations[20];
		case 111002: // PushThreeLeftDeltaN
			return &fieldpath_operations[23];
		case 111003: // PushTwoPack5LeftDeltaN
			return &fieldpath_operations[22];
		case 111004: // PushTwoLeftDeltaOne
			return &fieldpath_operations[17];
		case 111005: // PushThreePack5LeftDeltaZero
			return &fieldpath_operations[16];
		case 111006: // PushThreeLeftDeltaOne
			return &fieldpath_operations[19];
		case 111007: // PushTwoPack5LeftDeltaOne
			return &fieldpath_operations[18];
		default:
			return nullptr;
	}

           fieldop* op = nullptr;

            while (!op) {
                id = (id << 1) | b.read(1);
                op = fieldop_lookup(id);
            }