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