'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, 9 insertions, 2 deletions

diff --git a/lundump.c b/lundump.c
index 13916bc1..7fb05762 100644
--- a/lundump.c
+++ b/lundump.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lundump.c,v 2.43 2015/09/17 15:51:05 roberto Exp roberto $
+** $Id: lundump.c,v 2.44 2015/11/02 16:09:30 roberto Exp roberto $
 ** load precompiled Lua chunks
 ** See Copyright Notice in lua.h
 */
@@ -180,10 +180,17 @@ static void LoadUpvalues (LoadState *S, Proto *f) {
 static void LoadDebug (LoadState *S, Proto *f) {
   int i, n;
   n = LoadInt(S);
-  f->lineinfo = luaM_newvector(S->L, n, int);
+  f->lineinfo = luaM_newvector(S->L, n, ls_byte);
   f->sizelineinfo = n;
   LoadVector(S, f->lineinfo, n);
   n = LoadInt(S);
+  f->abslineinfo = luaM_newvector(S->L, n, AbsLineInfo);
+  f->sizeabslineinfo = n;
+  for (i = 0; i < n; i++) {
+    f->abslineinfo[i].pc = LoadInt(S);
+    f->abslineinfo[i].line = LoadInt(S);
+  }
+  n = LoadInt(S);
   f->locvars = luaM_newvector(S->L, n, LocVar);
   f->sizelocvars = n;
   for (i = 0; i < n; i++)