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String buffer refactoring, part 4.

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Add lua_State pointer to SBuf for buffer resizing.
This commit is contained in:
Mike Pall
2013-02-28 13:37:56 +01:00
parent 3c0157f426
commit 9ec869b362
11 changed files with 68 additions and 62 deletions
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29
src/lj_buf.h
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@@ -14,21 +14,24 @@
#define sbufB(sb) (mref((sb)->b, char))
#define sbufP(sb) (mref((sb)->p, char))
#define sbufE(sb) (mref((sb)->e, char))
#define sbufL(sb) (mref((sb)->L, lua_State))
#define sbufsz(sb) ((MSize)(sbufE((sb)) - sbufB((sb))))
#define sbuflen(sb) ((MSize)(sbufP((sb)) - sbufB((sb))))
#define setsbufP(sb, q) (setmref((sb)->p, (q)))
#define setsbufL(sb, l) (setmref((sb)->L, (l)))
LJ_FUNC char *lj_buf_tmp(lua_State *L, MSize sz);
LJ_FUNC void lj_buf_grow(lua_State *L, SBuf *sb, char *en);
LJ_FUNC void lj_buf_shrink(lua_State *L, SBuf *sb);
LJ_FUNC char * LJ_FASTCALL lj_buf_tmp(lua_State *L, MSize sz);
LJ_FUNC void LJ_FASTCALL lj_buf_grow(SBuf *sb, char *en);
LJ_FUNC void LJ_FASTCALL lj_buf_shrink(lua_State *L, SBuf *sb);
LJ_FUNC char *lj_buf_wmem(char *p, const void *q, MSize len);
LJ_FUNC void lj_buf_putmem(lua_State *L, SBuf *sb, const void *q, MSize len);
LJ_FUNC uint32_t lj_buf_ruleb128(const char **pp);
LJ_FUNC char *lj_buf_wuleb128(char *p, uint32_t v);
LJ_FUNC void lj_buf_putmem(SBuf *sb, const void *q, MSize len);
LJ_FUNC uint32_t LJ_FASTCALL lj_buf_ruleb128(const char **pp);
LJ_FUNC char * LJ_FASTCALL lj_buf_wuleb128(char *p, uint32_t v);
static LJ_AINLINE void lj_buf_init(SBuf *sb)
static LJ_AINLINE void lj_buf_init(lua_State *L, SBuf *sb)
{
setsbufL(sb, L);
setmref(sb->p, NULL); setmref(sb->e, NULL); setmref(sb->b, NULL);
}
@@ -47,25 +50,25 @@ static LJ_AINLINE GCstr *lj_buf_str(lua_State *L, SBuf *sb)
return lj_str_new(L, sbufB(sb), sbuflen(sb));
}
static LJ_AINLINE char *lj_buf_need(lua_State *L, SBuf *sb, MSize sz)
static LJ_AINLINE char *lj_buf_need(SBuf *sb, MSize sz)
{
char *en = sbufB(sb) + sz;
if (LJ_UNLIKELY(en > sbufE(sb)))
lj_buf_grow(L, sb, en);
lj_buf_grow(sb, en);
return sbufB(sb);
}
static LJ_AINLINE char *lj_buf_more(lua_State *L, SBuf *sb, MSize sz)
static LJ_AINLINE char *lj_buf_more(SBuf *sb, MSize sz)
{
char *en = sbufP(sb) + sz;
if (LJ_UNLIKELY(en > sbufE(sb)))
lj_buf_grow(L, sb, en);
lj_buf_grow(sb, en);
return sbufP(sb);
}
static LJ_AINLINE void lj_buf_putb(lua_State *L, SBuf *sb, int c)
static LJ_AINLINE void lj_buf_putb(SBuf *sb, int c)
{
char *p = lj_buf_more(L, sb, 1);
char *p = lj_buf_more(sb, 1);
*p++ = (char)c;
setsbufP(sb, p);
}