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// $Id: script.h,v 1.2 2004/09/25 05:32:19 MouseJstr Exp $
#ifndef SCRIPT_HPP
#define SCRIPT_HPP

// values are private, but gcc < 4.6 doesn't
// support forward-declared enums
enum class ScriptCode : uint8_t
#ifdef RECENT_GCC
;
#else
{
    // types and specials
    NOP, POS, INT, PARAM, FUNC, STR, CONSTSTR, ARG,
    NAME, EOL, RETINFO,

    // unary and binary operators
    LOR, LAND, LE, LT, GE, GT, EQ, NE,
    XOR, OR, AND, ADD, SUB, MUL, DIV, MOD, NEG, LNOT,
    NOT, R_SHIFT, L_SHIFT,

    // really nasty workaround for gcc < 4.6

    x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x2a, x2b, x2c, x2d, x2e, x2f,
    x30, x31, x32, x33, x34, x35, x36, x37, x38, x39, x3a, x3b, x3c, x3d, x3e, x3f,
    x40, x41, x42, x43, x44, x45, x46, x47, x48, x49, x4a, x4b, x4c, x4d, x4e, x4f,
    x50, x51, x52, x53, x54, x55, x56, x57, x58, x59, x5a, x5b, x5c, x5d, x5e, x5f,
    x60, x61, x62, x63, x64, x65, x66, x67, x68, x69, x6a, x6b, x6c, x6d, x6e, x6f,
    x70, x71, x72, x73, x74, x75, x76, x77, x78, x79, x7a, x7b, x7c, x7d, x7e, x7f,
    x80, x81, x82, x83, x84, x85, x86, x87, x88, x89, x8a, x8b, x8c, x8d, x8e, x8f,
    x90, x91, x92, x93, x94, x95, x96, x97, x98, x99, x9a, x9b, x9c, x9d, x9e, x9f,
    xa0, xa1, xa2, xa3, xa4, xa5, xa6, xa7, xa8, xa9, xaa, xab, xac, xad, xae, xaf,
    xb0, xb1, xb2, xb3, xb4, xb5, xb6, xb7, xb8, xb9, xba, xbb, xbc, xbd, xbe, xbf,
    xc0, xc1, xc2, xc3, xc4, xc5, xc6, xc7, xc8, xc9, xca, xcb, xcc, xcd, xce, xcf,
    xd0, xd1, xd2, xd3, xd4, xd5, xd6, xd7, xd8, xd9, xda, xdb, xdc, xdd, xde, xdf,
    xe0, xe1, xe2, xe3, xe4, xe5, xe6, xe7, xe8, xe9, xea, xeb, xec, xed, xee, xef,
    xf0, xf1, xf2, xf3, xf4, xf5, xf6, xf7, xf8, xf9, xfa, xfb, xfc, xfd, xfe, xff,
};
#endif

struct script_data
{
    ScriptCode type;
    union
    {
        int  num;
        const char *str;
    } u;
};

struct script_stack
{
    int  sp, sp_max;
    struct script_data *stack_data;
};

struct script_state
{
    struct script_stack *stack;
    int  start, end;
    int  pos, state;
    int  rid, oid;
    const ScriptCode *script, *new_script;
    int  defsp, new_pos, new_defsp;
};

const ScriptCode *parse_script (const char *, int);
typedef struct argrec
{
    const char *name;
    union _aru
    {
        int  i;
        const char *s;

        _aru() = default;
        _aru(int n) : i(n) {}
        _aru(const char *z) : s(z) {}
    } v;
} argrec_t;
int  run_script_l (const ScriptCode *, int, int, int, int, argrec_t * args);
int  run_script (const ScriptCode *, int, int, int);

struct dbt *script_get_label_db (void);
struct dbt *script_get_userfunc_db (void);

int  script_config_read (const char *cfgName);
int  do_init_script (void);
int  do_final_script (void);

extern char mapreg_txt[];

#endif