#ifndef BYTE_CODE_HPP
#define BYTE_CODE_HPP

class ByteCode {
public:
    // Define org.railgun.vm.Bytecode Operator Code
    static const unsigned char POP_TOP = 1;
    static const unsigned char ROT_TWO = 2;
    static const unsigned char ROT_THREE = 3;
    static const unsigned char DUP_TOP = 4;
    static const unsigned char UNARY_NEGATIVE = 11;
    static const unsigned char BINARY_MULTIPLY = 20;
    static const unsigned char BINARY_MODULO = 22;
    static const unsigned char BINARY_SUBSCR = 25;
    static const unsigned char BINARY_DIVIDE = 21;
    static const unsigned char BINARY_ADD = 23;
    static const unsigned char BINARY_SUBTRACT = 24;

    static const unsigned char INPLACE_ADD = 55;
    static const unsigned char STORE_MAP = 54;
    static const unsigned char INPLACE_SUBSTRACT = 56;
    static const unsigned char INPLACE_MULTIPLY = 57;
    static const unsigned char INPLACE_DIVIDE = 58;
    static const unsigned char INPLACE_MODULO = 59;
    static const unsigned char STORE_SUBSCR = 60;
    static const unsigned char DELETE_SUBSCR = 61;

    static const unsigned char GET_ITER = 68;

    static const unsigned char PRINT_ITEM = 71;
    static const unsigned char PRINT_NEWLINE = 72;

    static const unsigned char BREAK_LOOP = 80;
    static const unsigned char LOAD_LOCALS = 82;
    static const unsigned char RETURN_VALUE = 83;
    static const unsigned char YIELD_VALUE = 86;
    static const unsigned char POP_BLOCK = 87;
    static const unsigned char END_FINALLY = 88;
    static const unsigned char BUILD_CLASS = 89;

    // TODO: This is a separator
    static const unsigned char HAVE_ARGUMENT = 90; /* Opcodes from here have an argument: */

    static const unsigned char STORE_NAME = 90; /* Index in name list */
    static const unsigned char UNPACK_SEQUENCE = 92;
    static const unsigned char FOR_ITER = 93;
    static const unsigned char STORE_ATTR = 95;  /* Index in name list */
    static const unsigned char STORE_GLOBAL = 97;
    static const unsigned char DUP_TOPX = 99;   /* number of items to duplicate */
    static const unsigned char LOAD_CONST = 100; /* Index in const list */
    static const unsigned char LOAD_NAME = 101; /* Index in name list */
    static const unsigned char BUILD_TUPLE = 102;
    static const unsigned char BUILD_LIST = 103;
    static const unsigned char BUILD_MAP = 105;
    static const unsigned char LOAD_ATTR = 106; /* Index in name list */
    static const unsigned char COMPARE_OP = 107; /* Comparison operator */
    static const unsigned char IMPORT_NAME = 108; /* Index in name list */
    static const unsigned char IMPORT_FROM = 109; /* Index in name list */
    static const unsigned char JUMP_FORWARD = 110; /* Number of bytes to skip */
    static const unsigned char JUMP_IF_FALSE_OR_POP = 111; /* Target byte offset from beginning
                                    of code */

    static const unsigned char JUMP_ABSOLUTE = 113;
    static const unsigned char POP_JUMP_IF_FALSE = 114;
    static const unsigned char POP_JUMP_IF_TRUE = 115;
    static const unsigned char LOAD_GLOBAL = 116; /* Index in name list */

    static const unsigned char CONTINUE_LOOP = 119; /* Start of loop (absolute) */
    static const unsigned char SETUP_LOOP = 120; /* Target address (relative) */
    static const unsigned char SETUP_EXCEPT = 121;  /* "" */
    static const unsigned char SETUP_FINALLY = 122; /* "" */

    static const unsigned char LOAD_FAST  = 124; /* Local variable number */
    static const unsigned char STORE_FAST = 125; /* Local variable number */

    static const unsigned char RAISE_VARARGS = 130;
    static const unsigned char CALL_FUNCTION = 131;
    static const unsigned char MAKE_FUNCTION = 132;

    static const unsigned char MAKE_CLOSURE = 134; /* #free vars */
    static const unsigned char LOAD_CLOSURE = 135; /* Load free variable from closure */
    static const unsigned char LOAD_DEREF = 136; /* Load and dereference from closure cell */
    static const unsigned char STORE_DEREF = 137; /* Store into cell */

    static const unsigned char CALL_FUNCTION_VAR = 140;

    enum COMPARE {
        LESS = 0,
        LESS_EQUAL,
        EQUAL,
        NOT_EQUAL,
        GREATER,
        GREATER_EQUAL,
        IN,
        NOT_IN,
        IS,
        IS_NOT,
        EXC_MATCH
    };
};

#endif