'lineinfo' in prototypes saved as differences instead of absolute

values, so that the array can use bytes instead of ints, reducing
its size. (A new array 'abslineinfo' is used when line differences
do not fit in a byte.)

1 files changed, 4 insertions, 1 deletions

diff --git a/lfunc.c b/lfunc.c
index e84538c9..a4a4e29d 100644
--- a/lfunc.c
+++ b/lfunc.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lfunc.c,v 2.48 2017/04/30 20:43:26 roberto Exp roberto $
+** $Id: lfunc.c,v 2.49 2017/05/24 18:54:54 roberto Exp roberto $
 ** Auxiliary functions to manipulate prototypes and closures
 ** See Copyright Notice in lua.h
 */
@@ -119,6 +119,8 @@ Proto *luaF_newproto (lua_State *L) {
   f->sizecode = 0;
   f->lineinfo = NULL;
   f->sizelineinfo = 0;
+  f->abslineinfo = NULL;
+  f->sizeabslineinfo = 0;
   f->upvalues = NULL;
   f->sizeupvalues = 0;
   f->numparams = 0;
@@ -138,6 +140,7 @@ void luaF_freeproto (lua_State *L, Proto *f) {
   luaM_freearray(L, f->p, f->sizep);
   luaM_freearray(L, f->k, f->sizek);
   luaM_freearray(L, f->lineinfo, f->sizelineinfo);
+  luaM_freearray(L, f->abslineinfo, f->sizeabslineinfo);
   luaM_freearray(L, f->locvars, f->sizelocvars);
   luaM_freearray(L, f->upvalues, f->sizeupvalues);
   luaM_free(L, f);