1 files changed, 0 insertions, 415 deletions

diff --git a/libraries/luajit-2.0/src/lj_str.c b/libraries/luajit-2.0/src/lj_str.c
deleted file mode 100644
index cd3a8b6..0000000
--- a/libraries/luajit-2.0/src/lj_str.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
-** String handling.
-** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
-**
-** Portions taken verbatim or adapted from the Lua interpreter.
-** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
-*/
-
-#include <stdio.h>
-
-#define lj_str_c
-#define LUA_CORE
-
-#include "lj_obj.h"
-#include "lj_gc.h"
-#include "lj_err.h"
-#include "lj_str.h"
-#include "lj_state.h"
-#include "lj_char.h"
-
-/* -- String interning ---------------------------------------------------- */
-
-/* Ordered compare of strings. Assumes string data is 4-byte aligned. */
-int32_t LJ_FASTCALL lj_str_cmp(GCstr *a, GCstr *b)
-{
-  MSize i, n = a->len > b->len ? b->len : a->len;
-  for (i = 0; i < n; i += 4) {
-    /* Note: innocuous access up to end of string + 3. */
-    uint32_t va = *(const uint32_t *)(strdata(a)+i);
-    uint32_t vb = *(const uint32_t *)(strdata(b)+i);
-    if (va != vb) {
-#if LJ_LE
-      va = lj_bswap(va); vb = lj_bswap(vb);
-#endif
-      i -= n;
-      if ((int32_t)i >= -3) {
-        va >>= 32+(i<<3); vb >>= 32+(i<<3);
-        if (va == vb) break;
-      }
-      return va < vb ? -1 : 1;
-    }
-  }
-  return (int32_t)(a->len - b->len);
-}
-
-/* Fast string data comparison. Caveat: unaligned access to 1st string! */
-static LJ_AINLINE int str_fastcmp(const char *a, const char *b, MSize len)
-{
-  MSize i = 0;
-  lua_assert(len > 0);
-  lua_assert((((uintptr_t)a + len) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4);
-  do {  /* Note: innocuous access up to end of string + 3. */
-    uint32_t v = lj_getu32(a+i) ^ *(const uint32_t *)(b+i);
-    if (v) {
-      i -= len;
-#if LJ_LE
-      return (int32_t)i >= -3 ? (v << (32+(i<<3))) : 1;
-#else
-      return (int32_t)i >= -3 ? (v >> (32+(i<<3))) : 1;
-#endif
-    }
-    i += 4;
-  } while (i < len);
-  return 0;
-}
-
-/* Resize the string hash table (grow and shrink). */
-void lj_str_resize(lua_State *L, MSize newmask)
-{
-  global_State *g = G(L);
-  GCRef *newhash;
-  MSize i;
-  if (g->gc.state == GCSsweepstring || newmask >= LJ_MAX_STRTAB-1)
-    return;  /* No resizing during GC traversal or if already too big. */
-  newhash = lj_mem_newvec(L, newmask+1, GCRef);
-  memset(newhash, 0, (newmask+1)*sizeof(GCRef));
-  for (i = g->strmask; i != ~(MSize)0; i--) {  /* Rehash old table. */
-    GCobj *p = gcref(g->strhash[i]);
-    while (p) {  /* Follow each hash chain and reinsert all strings. */
-      MSize h = gco2str(p)->hash & newmask;
-      GCobj *next = gcnext(p);
-      /* NOBARRIER: The string table is a GC root. */
-      setgcrefr(p->gch.nextgc, newhash[h]);
-      setgcref(newhash[h], p);
-      p = next;
-    }
-  }
-  lj_mem_freevec(g, g->strhash, g->strmask+1, GCRef);
-  g->strmask = newmask;
-  g->strhash = newhash;
-}
-
-/* Intern a string and return string object. */
-GCstr *lj_str_new(lua_State *L, const char *str, size_t lenx)
-{
-  global_State *g;
-  GCstr *s;
-  GCobj *o;
-  MSize len = (MSize)lenx;
-  MSize a, b, h = len;
-  if (lenx >= LJ_MAX_STR)
-    lj_err_msg(L, LJ_ERR_STROV);
-  g = G(L);
-  /* Compute string hash. Constants taken from lookup3 hash by Bob Jenkins. */
-  if (len >= 4) {  /* Caveat: unaligned access! */
-    a = lj_getu32(str);
-    h ^= lj_getu32(str+len-4);
-    b = lj_getu32(str+(len>>1)-2);
-    h ^= b; h -= lj_rol(b, 14);
-    b += lj_getu32(str+(len>>2)-1);
-  } else if (len > 0) {
-    a = *(const uint8_t *)str;
-    h ^= *(const uint8_t *)(str+len-1);
-    b = *(const uint8_t *)(str+(len>>1));
-    h ^= b; h -= lj_rol(b, 14);
-  } else {
-    return &g->strempty;
-  }
-  a ^= h; a -= lj_rol(h, 11);
-  b ^= a; b -= lj_rol(a, 25);
-  h ^= b; h -= lj_rol(b, 16);
-  /* Check if the string has already been interned. */
-  o = gcref(g->strhash[h & g->strmask]);
-  if (LJ_LIKELY((((uintptr_t)str + len) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4)) {
-    while (o != NULL) {
-      GCstr *sx = gco2str(o);
-      if (sx->len == len && str_fastcmp(str, strdata(sx), len) == 0) {
-        /* Resurrect if dead. Can only happen with fixstring() (keywords). */
-        if (isdead(g, o)) flipwhite(o);
-        return sx;  /* Return existing string. */
-      }
-      o = gcnext(o);
-    }
-  } else {  /* Slow path: end of string is too close to a page boundary. */
-    while (o != NULL) {
-      GCstr *sx = gco2str(o);
-      if (sx->len == len && memcmp(str, strdata(sx), len) == 0) {
-        /* Resurrect if dead. Can only happen with fixstring() (keywords). */
-        if (isdead(g, o)) flipwhite(o);
-        return sx;  /* Return existing string. */
-      }
-      o = gcnext(o);
-    }
-  }
-  /* Nope, create a new string. */
-  s = lj_mem_newt(L, sizeof(GCstr)+len+1, GCstr);
-  newwhite(g, s);
-  s->gct = ~LJ_TSTR;
-  s->len = len;
-  s->hash = h;
-  s->reserved = 0;
-  memcpy(strdatawr(s), str, len);
-  strdatawr(s)[len] = '\0';  /* Zero-terminate string. */
-  /* Add it to string hash table. */
-  h &= g->strmask;
-  s->nextgc = g->strhash[h];
-  /* NOBARRIER: The string table is a GC root. */
-  setgcref(g->strhash[h], obj2gco(s));
-  if (g->strnum++ > g->strmask)  /* Allow a 100% load factor. */
-    lj_str_resize(L, (g->strmask<<1)+1);  /* Grow string table. */
-  return s;  /* Return newly interned string. */
-}
-
-void LJ_FASTCALL lj_str_free(global_State *g, GCstr *s)
-{
-  g->strnum--;
-  lj_mem_free(g, s, sizestring(s));
-}
-
-/* -- Type conversions ---------------------------------------------------- */
-
-/* Convert string object to number. */
-int LJ_FASTCALL lj_str_tonum(GCstr *str, TValue *n)
-{
-  int ok = lj_str_numconv(strdata(str), n);
-  if (ok && tvisint(n))
-    setnumV(n, (lua_Number)intV(n));
-  return ok;
-}
-
-int LJ_FASTCALL lj_str_tonumber(GCstr *str, TValue *n)
-{
-  return lj_str_numconv(strdata(str), n);
-}
-
-/* Convert string to number. */
-int LJ_FASTCALL lj_str_numconv(const char *s, TValue *n)
-{
-#if LJ_DUALNUM
-  int sign = 1;
-#else
-  lua_Number sign = 1;
-#endif
-  const uint8_t *p = (const uint8_t *)s;
-  while (lj_char_isspace(*p)) p++;
-  if (*p == '-') { p++; sign = -1; } else if (*p == '+') { p++; }
-  if ((uint32_t)(*p - '0') < 10) {
-    uint32_t k = (uint32_t)(*p++ - '0');
-    if (k == 0 && ((*p & ~0x20) == 'X')) {
-      p++;
-      if (!lj_char_isxdigit(*p))
-        return 0;  /* Don't accept '0x' without hex digits. */
-      do {
-        if (k >= 0x10000000u) goto parsedbl;
-        k = (k << 4) + (*p & 15u);
-        if (!lj_char_isdigit(*p)) k += 9;
-        p++;
-      } while (lj_char_isxdigit(*p));
-    } else {
-      while ((uint32_t)(*p - '0') < 10) {
-        if (LJ_UNLIKELY(k >= 429496729) && (k != 429496729 || *p > '5'))
-          goto parsedbl;
-        k = k * 10u + (uint32_t)(*p++ - '0');
-      }
-    }
-    while (LJ_UNLIKELY(lj_char_isspace(*p))) p++;
-    if (LJ_LIKELY(*p == '\0')) {
-#if LJ_DUALNUM
-      if (sign == 1) {
-        if (k < 0x80000000u) {
-          setintV(n, (int32_t)k);
-          return 1;
-        }
-      } else if (k <= 0x80000000u) {
-        setintV(n, -(int32_t)k);
-        return 1;
-      }
-#endif
-      setnumV(n, sign * (lua_Number)k);
-      return 1;
-    }
-  }
-parsedbl:
-  {
-    TValue tv;
-    char *endptr;
-    setnumV(&tv, lua_str2number(s, &endptr));
-    if (endptr == s) return 0;  /* Conversion failed. */
-    if (LJ_UNLIKELY(*endptr != '\0')) {
-      while (lj_char_isspace((uint8_t)*endptr)) endptr++;
-      if (*endptr != '\0') return 0;  /* Invalid trailing characters? */
-    }
-    if (LJ_LIKELY(!tvisnan(&tv)))
-      setnumV(n, numV(&tv));
-    else
-      setnanV(n); /* Canonicalize injected NaNs. */
-    return 1;
-  }
-}
-
-/* Print number to buffer. Canonicalizes non-finite values. */
-size_t LJ_FASTCALL lj_str_bufnum(char *s, cTValue *o)
-{
-  if (LJ_LIKELY((o->u32.hi << 1) < 0xffe00000)) {  /* Finite? */
-    lua_Number n = o->n;
-    return (size_t)lua_number2str(s, n);
-  } else if (((o->u32.hi & 0x000fffff) | o->u32.lo) != 0) {
-    s[0] = 'n'; s[1] = 'a'; s[2] = 'n'; return 3;
-  } else if ((o->u32.hi & 0x80000000) == 0) {
-    s[0] = 'i'; s[1] = 'n'; s[2] = 'f'; return 3;
-  } else {
-    s[0] = '-'; s[1] = 'i'; s[2] = 'n'; s[3] = 'f'; return 4;
-  }
-}
-
-/* Print integer to buffer. Returns pointer to start. */
-char * LJ_FASTCALL lj_str_bufint(char *p, int32_t k)
-{
-  uint32_t u = (uint32_t)(k < 0 ? -k : k);
-  p += 1+10;
-  do { *--p = (char)('0' + u % 10); } while (u /= 10);
-  if (k < 0) *--p = '-';
-  return p;
-}
-
-/* Convert number to string. */
-GCstr * LJ_FASTCALL lj_str_fromnum(lua_State *L, const lua_Number *np)
-{
-  char buf[LJ_STR_NUMBUF];
-  size_t len = lj_str_bufnum(buf, (TValue *)np);
-  return lj_str_new(L, buf, len);
-}
-
-/* Convert integer to string. */
-GCstr * LJ_FASTCALL lj_str_fromint(lua_State *L, int32_t k)
-{
-  char s[1+10];
-  char *p = lj_str_bufint(s, k);
-  return lj_str_new(L, p, (size_t)(s+sizeof(s)-p));
-}
-
-GCstr * LJ_FASTCALL lj_str_fromnumber(lua_State *L, cTValue *o)
-{
-  return tvisint(o) ? lj_str_fromint(L, intV(o)) : lj_str_fromnum(L, &o->n);
-}
-
-/* -- String formatting --------------------------------------------------- */
-
-static void addstr(lua_State *L, SBuf *sb, const char *str, MSize len)
-{
-  char *p;
-  MSize i;
-  if (sb->n + len > sb->sz) {
-    MSize sz = sb->sz * 2;
-    while (sb->n + len > sz) sz = sz * 2;
-    lj_str_resizebuf(L, sb, sz);
-  }
-  p = sb->buf + sb->n;
-  sb->n += len;
-  for (i = 0; i < len; i++) p[i] = str[i];
-}
-
-static void addchar(lua_State *L, SBuf *sb, int c)
-{
-  if (sb->n + 1 > sb->sz) {
-    MSize sz = sb->sz * 2;
-    lj_str_resizebuf(L, sb, sz);
-  }
-  sb->buf[sb->n++] = (char)c;
-}
-
-/* Push formatted message as a string object to Lua stack. va_list variant. */
-const char *lj_str_pushvf(lua_State *L, const char *fmt, va_list argp)
-{
-  SBuf *sb = &G(L)->tmpbuf;
-  lj_str_needbuf(L, sb, (MSize)strlen(fmt));
-  lj_str_resetbuf(sb);
-  for (;;) {
-    const char *e = strchr(fmt, '%');
-    if (e == NULL) break;
-    addstr(L, sb, fmt, (MSize)(e-fmt));
-    /* This function only handles %s, %c, %d, %f and %p formats. */
-    switch (e[1]) {
-    case 's': {
-      const char *s = va_arg(argp, char *);
-      if (s == NULL) s = "(null)";
-      addstr(L, sb, s, (MSize)strlen(s));
-      break;
-      }
-    case 'c':
-      addchar(L, sb, va_arg(argp, int));
-      break;
-    case 'd': {
-      char buf[LJ_STR_INTBUF];
-      char *p = lj_str_bufint(buf, va_arg(argp, int32_t));
-      addstr(L, sb, p, (MSize)(buf+LJ_STR_INTBUF-p));
-      break;
-      }
-    case 'f': {
-      char buf[LJ_STR_NUMBUF];
-      TValue tv;
-      MSize len;
-      tv.n = (lua_Number)(va_arg(argp, LUAI_UACNUMBER));
-      len = (MSize)lj_str_bufnum(buf, &tv);
-      addstr(L, sb, buf, len);
-      break;
-      }
-    case 'p': {
-#define FMTP_CHARS      (2*sizeof(ptrdiff_t))
-      char buf[2+FMTP_CHARS];
-      ptrdiff_t p = (ptrdiff_t)(va_arg(argp, void *));
-      ptrdiff_t i, lasti = 2+FMTP_CHARS;
-      if (p == 0) {
-        addstr(L, sb, "NULL", 4);
-        break;
-      }
-#if LJ_64
-      /* Shorten output for 64 bit pointers. */
-      lasti = 2+2*4+((p >> 32) ? 2+2*(lj_fls((uint32_t)(p >> 32))>>3) : 0);
-#endif
-      buf[0] = '0';
-      buf[1] = 'x';
-      for (i = lasti-1; i >= 2; i--, p >>= 4)
-        buf[i] = "0123456789abcdef"[(p & 15)];
-      addstr(L, sb, buf, (MSize)lasti);
-      break;
-      }
-    case '%':
-      addchar(L, sb, '%');
-      break;
-    default:
-      addchar(L, sb, '%');
-      addchar(L, sb, e[1]);
-      break;
-    }
-    fmt = e+2;
-  }
-  addstr(L, sb, fmt, (MSize)strlen(fmt));
-  setstrV(L, L->top, lj_str_new(L, sb->buf, sb->n));
-  incr_top(L);
-  return strVdata(L->top - 1);
-}
-
-/* Push formatted message as a string object to Lua stack. Vararg variant. */
-const char *lj_str_pushf(lua_State *L, const char *fmt, ...)
-{
-  const char *msg;
-  va_list argp;
-  va_start(argp, fmt);
-  msg = lj_str_pushvf(L, fmt, argp);
-  va_end(argp);
-  return msg;
-}
-
-/* -- Buffer handling ----------------------------------------------------- */
-
-char *lj_str_needbuf(lua_State *L, SBuf *sb, MSize sz)
-{
-  if (sz > sb->sz) {
-    if (sz < LJ_MIN_SBUF) sz = LJ_MIN_SBUF;
-    lj_str_resizebuf(L, sb, sz);
-  }
-  return sb->buf;
-}
-