CodeObfuscation

Num Expressions: a::=id variable identifier | n integer | f float | d double | b bool | op1 a unary arithmetic op | a1 op1 a2 binary arithmetic op | a1 op3 a2 compare arithmetic op

Unary operators: op1::= ++ | -- | ! | ~| absf

Binary operators: op2::= + | - | *| / | % |

Bool Expresion: bo::=b bool | a1 op3 a2

Bool operators: op3::= & | | | > | >= | < | <= | == | !=

Value: v::=num | bo

Value Sequence seq::= end | v | vs,v

Function defination: fun::= id(seq) s

Statements: s::=skip empty statement | a1 = a2 assignment | fun function defination | a = call fun function call | if(bo) s1 else s2 conditional if-else | for(bo) s1 | goto label | switch(a) | return a | end

Switch cases swithc(a):=case a1: s1, break; | default: s2;

Program start: P::=s