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'lineinfo' in prototypes saved as differences instead of absolute

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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.)
This commit is contained in:
Roberto Ierusalimschy
2017-06-27 08:35:31 -03:00
parent 60a7492d24
commit b42430fd3a
11 changed files with 195 additions and 33 deletions
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5
lfunc.c
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@@ -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);