One Level Up Top Level

src/lj_strscan.h - luajit-2.0-src

Data types defined

Functions defined

Macros defined

Source code

  1. /*
  2. ** String scanning.
  3. ** Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h
  4. */

  6. #ifndef _LJ_STRSCAN_H
  7. ‌#define _LJ_STRSCAN_H

  9. #include "lj_obj.h"

  11. /* Options for accepted/returned formats. */
  12. ‌#define STRSCAN_OPT_TOINT        0x01  /* Convert to int32_t, if possible. */
  13. ‌#define STRSCAN_OPT_TONUM        0x02  /* Always convert to double. */
  14. ‌#define STRSCAN_OPT_IMAG        0x04
  15. ‌#define STRSCAN_OPT_LL                0x08
  16. ‌#define STRSCAN_OPT_C                0x10

  18. /* Returned format. */
  19. typedef enum {
  20.   STRSCAN_ERROR,
  21.   STRSCAN_NUM, STRSCAN_IMAG,
  22.   STRSCAN_INT, STRSCAN_U32, STRSCAN_I64, STRSCAN_U64,
  23. ‌} StrScanFmt;

  25. LJ_FUNC StrScanFmt lj_strscan_scan(const uint8_t *p, TValue *o, uint32_t opt);
  26. LJ_FUNC int LJ_FASTCALL lj_strscan_num(GCstr *str, TValue *o);
  27. #if LJ_DUALNUM
  28. LJ_FUNC int LJ_FASTCALL lj_strscan_number(GCstr *str, TValue *o);
  29. #else
  30. ‌#define lj_strscan_number(s, o)                lj_strscan_num((s), (o))
  31. #endif

  33. /* Check for number or convert string to number/int in-place (!). */
  34. ‌static LJ_AINLINE int lj_strscan_numberobj(TValue *o)
  35. {
  36.   return tvisnumber(o) || (tvisstr(o) && lj_strscan_number(strV(o), o));
  37. }

  39. #endif

One Level Up Top Level