SUCCESS
RE pre-compilation success
PATTERN_ERR
Invalid RE pattern
MEM_ERR
CL buffer allocation failed
DEV_ERR
Kernel creation failed
OPCODE_ERR
Wrong OP code
INSTR_NM_ERR
Wrong number of instructions
CCLASS_NM_ERR
Wrong number of character classes
CPGP_NM_ERR
Wrong number of capturing groups