# OneOpFunc1 input is a number and returns a number.
.OneOpFunc1->poi db dd dw dq str wstr sizeof neg hi low not


.Operators->or xor and asr asl add sub mul div mod 

.Registers->rax rcx rdx rbx rsp rbp rsi rdi r8 r9 r10 r11 r12 r13 r14 r15

.PseudoRegisters->pid tid proc thread peb teb ip buffer context

S->( BE ) 

BE->B1

B1->B2 B1'
B1'->&& B2 B1' 
B1'->eps

B2->B3 B2'
B2'->| B3 B2' 
B2'->eps



B3->CMP
B3->EXP


CMP->EXP > EXP
CMP->EXP < EXP
CMP->( CMP )

EXP->E1

E1->E2 E1'
E1'->+ E2 E1' 
E1'->eps

E2->E3 E2'
E2'->* E3 E2' 
E2'->eps


E3->_id
E3->( EXP )