2014-04-28 04:45:14 +02:00
|
|
|
/*
|
|
|
|
|
** String scanning.
|
2018-05-12 08:58:15 +02:00
|
|
|
** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
|
2014-04-28 04:45:14 +02:00
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#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, 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
|
