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/*
** String scanning.
** Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h
*/
#ifndef _LJ_STRSCAN_H
#define _LJ_STRSCAN_H
#include "lj_obj.h"
/* Options for accepted/returned formats. */
#define STRSCAN_OPT_TOINT 0x01 /* Convert to int32_t, if possible. */
#define STRSCAN_OPT_TONUM 0x02 /* Always convert to double. */
#define STRSCAN_OPT_IMAG 0x04
#define STRSCAN_OPT_LL 0x08
#define STRSCAN_OPT_C 0x10
/* Returned format. */
typedef enum {
STRSCAN_ERROR,
STRSCAN_NUM, STRSCAN_IMAG,
STRSCAN_INT, STRSCAN_U32, STRSCAN_I64, STRSCAN_U64,
} StrScanFmt;
LJ_FUNC StrScanFmt lj_strscan_scan(const uint8_t *p, MSize len, TValue *o,
uint32_t opt);
LJ_FUNC int LJ_FASTCALL lj_strscan_num(GCstr *str, TValue *o);
#if LJ_DUALNUM
LJ_FUNC int LJ_FASTCALL lj_strscan_number(GCstr *str, TValue *o);
#else
#define lj_strscan_number(s, o) lj_strscan_num((s), (o))
#endif
/* Check for number or convert string to number/int in-place (!). */
static LJ_AINLINE int lj_strscan_numberobj(TValue *o)
{
return tvisnumber(o) || (tvisstr(o) && lj_strscan_number(strV(o), o));
}
#endif
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