DrSocalkwe3n/luajit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add support for embedding LuaJIT bytecode for builtins.

Browse Source
This commit is contained in:
Mike Pall
2013-02-22 01:40:41 +01:00
parent c3219b7d17
commit e20157c6e6
12 changed files with 199 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
src/lj_bcread.c
View File

@@ -326,25 +326,13 @@ static void bcread_uv(LexState *ls, GCproto *pt, MSize sizeuv)
}
/* Read a prototype. */
static GCproto *bcread_proto(LexState *ls)
GCproto *lj_bcread_proto(LexState *ls)
{
GCproto *pt;
MSize framesize, numparams, flags, sizeuv, sizekgc, sizekn, sizebc, sizept;
MSize ofsk, ofsuv, ofsdbg;
MSize sizedbg = 0;
BCLine firstline = 0, numline = 0;
MSize len, startn;
/* Read length. */
if (ls->n > 0 && ls->p[0] == 0) { /* Shortcut EOF. */
ls->n--; ls->p++;
return NULL;
}
bcread_want(ls, 5);
len = bcread_uleb128(ls);
if (!len) return NULL; /* EOF */
bcread_need(ls, len);
startn = ls->n;
/* Read prototype header. */
flags = bcread_byte(ls);
@@ -413,9 +401,6 @@ static GCproto *bcread_proto(LexState *ls)
setmref(pt->uvinfo, NULL);
setmref(pt->varinfo, NULL);
}
if (len != startn - ls->n)
bcread_error(ls, LJ_ERR_BCBAD);
return pt;
}
@@ -462,8 +447,21 @@ GCproto *lj_bcread(LexState *ls)
if (!bcread_header(ls))
bcread_error(ls, LJ_ERR_BCFMT);
for (;;) { /* Process all prototypes in the bytecode dump. */
GCproto *pt = bcread_proto(ls);
if (!pt) break;
GCproto *pt;
MSize len, startn;
/* Read length. */
if (ls->n > 0 && ls->p[0] == 0) { /* Shortcut EOF. */
ls->n--; ls->p++;
break;
}
bcread_want(ls, 5);
len = bcread_uleb128(ls);
if (!len) break; /* EOF */
bcread_need(ls, len);
startn = ls->n;
pt = lj_bcread_proto(ls);
if (len != startn - ls->n)
bcread_error(ls, LJ_ERR_BCBAD);
setprotoV(L, L->top, pt);
incr_top(L);
}