currentLineNumber, currentOpcodeNode);
} else if (opcode == DUP2_X1) {
currentOpcodeNode = new OpcodeNodeDup2X1(opcode, currentAddress++,
currentLineNumber, currentOpcodeNode);
} else if (opcode == DUP2_X2) {
currentOpcodeNode = new OpcodeNodeDup2X2(opcode, currentAddress++,
currentLineNumber, currentOpcodeNode);
} else if (opcode == SWAP) {
currentOpcodeNode = new OpcodeNodeSwap(opcode, currentAddress++,
currentLineNumber, currentOpcodeNode);
} else {