#![allow(non_camel_case_types)]

pub enum OpCode {
    LOAD,
    VAR,

    ADD,
    SUB,
    MUL,
    DIV,
    MOD,
    BITAND,
    BITXOR,
    BITOR,
    EQ,
    NE,
    GR,
    GE,
    LS,
    LE,
    OR,
    AND,

    NOT,
    NEG,

    JMP,
    IF_NE,

    POP,
    PRINT,
    ERR,
}

impl From<OpCode> for u8 {
    fn from(value: OpCode) -> Self {
        use OpCode::*;
        match value {
            LOAD    => 0x00,
            VAR     => 0x01,

            ADD     => 0x02,
            SUB     => 0x03,
            MUL     => 0x04,
            DIV     => 0x05,
            MOD     => 0x06,
            BITAND  => 0x07,
            BITXOR  => 0x08,
            BITOR   => 0x09,
            EQ      => 0x0A,
            NE      => 0x0B,
            GR      => 0x0C,
            GE      => 0x0D,
            LS      => 0x0E,
            LE      => 0x0F,
            OR      => 0x10,
            AND     => 0x11,

            NOT     => 0x12,
            NEG     => 0x13,

            JMP     => 0x14,
            IF_NE   => 0x15,

            POP     => 0xFD,
            PRINT   => 0xFE,
            ERR     => 0xFF
        }
    }
}
impl From<u8> for OpCode {
    fn from(value: u8) -> Self {
        use OpCode::*;
        match value {
            0x00 => LOAD,
            0x01 => VAR,

            0x02 => ADD,
            0x03 => SUB,
            0x04 => MUL,
            0x05 => DIV,
            0x06 => MOD,
            0x07 => BITAND,
            0x08 => BITXOR,
            0x09 => BITOR,
            0x0A => EQ,
            0x0B => NE,
            0x0C => GR,
            0x0D => GE,
            0x0E => LS,
            0x0F => LE,
            0x10 => OR,
            0x11 => AND,

            0x12 => NOT,
            0x13 => NEG,

            0x14 => JMP,
            0x15 => IF_NE,

            0xFD => POP,
            0xFE => PRINT,
            _ => ERR
        }
    }
}