Use internal implementation for converting FP numbers to strings.

Contributed by Peter Cawley.
This commit is contained in:
Mike Pall
2016-02-26 17:59:43 +01:00
parent 339a1fd696
commit 18f6aa97fd
11 changed files with 627 additions and 121 deletions

View File

@@ -64,11 +64,12 @@ typedef enum FormatType {
#define STRFMT_S (STRFMT_STR)
#define STRFMT_U (STRFMT_UINT)
#define STRFMT_X (STRFMT_UINT|STRFMT_T_HEX)
#define STRFMT_G14 (STRFMT_G | ((14+1) << STRFMT_SH_PREC))
/* Maximum buffer sizes for conversions. */
#define STRFMT_MAXBUF_XINT (1+22) /* '0' prefix + uint64_t in octal. */
#define STRFMT_MAXBUF_INT (1+10) /* Sign + int32_t in decimal. */
#define STRFMT_MAXBUF_NUM LUAI_MAXNUMBER2STR
#define STRFMT_MAXBUF_NUM 32 /* Must correspond with STRFMT_G14. */
#define STRFMT_MAXBUF_PTR (2+2*sizeof(ptrdiff_t)) /* "0x" + hex ptr. */
/* Format parser. */
@@ -83,10 +84,9 @@ static LJ_AINLINE void lj_strfmt_init(FormatState *fs, const char *p, MSize len)
/* Raw conversions. */
LJ_FUNC char * LJ_FASTCALL lj_strfmt_wint(char *p, int32_t k);
LJ_FUNC char * LJ_FASTCALL lj_strfmt_wnum(char *p, cTValue *o);
LJ_FUNC char * LJ_FASTCALL lj_strfmt_wptr(char *p, const void *v);
LJ_FUNC char * LJ_FASTCALL lj_strfmt_wuleb128(char *p, uint32_t v);
LJ_FUNC const char *lj_strfmt_wstrnum(char *buf, cTValue *o, MSize *lenp);
LJ_FUNC const char *lj_strfmt_wstrnum(lua_State *L, cTValue *o, MSize *lenp);
/* Unformatted conversions to buffer. */
LJ_FUNC SBuf * LJ_FASTCALL lj_strfmt_putint(SBuf *sb, int32_t k);