To: vim_dev@googlegroups.com
Subject: Patch 7.3.896
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------
Patch 7.3.896
Problem: Memory leaks in Lua interface.
Solution: Fix the leaks, add tests. (Yukihiro Nakadaira)
Files: src/testdir/test85.in, src/testdir/test85.ok, src/if_lua.c
*** ../vim-7.3.895/src/testdir/test85.in 2012-04-05 16:56:38.000000000 +0200
--- src/testdir/test85.in 2013-04-15 13:12:43.000000000 +0200
***************
*** 33,38 ****
--- 33,81 ----
:let res = "FAILED"
:endif
:call setline(search("^3"), "circular test " . res)
+
+ :let l = []
+ :lua l = vim.eval("l")
+ :lua l:add(123)
+ :lua l:add("abc")
+ :lua l:add(vim.eval("[1, 2, 3]"))
+ :lua l:add(vim.eval("{'a':1, 'b':2, 'c':3}"))
+ :lua l:insert(123)
+ :lua l:insert("abc")
+ :lua l:insert(vim.eval("[1, 2, 3]"))
+ :lua l:insert(vim.eval("{'a':1, 'b':2, 'c':3}"))
+ :lua l[0] = l[0]
+ :lua l[1] = l[1]
+ :lua l[2] = l[2]
+ :lua l[3] = l[3]
+ :lua l[0] = 123
+ :lua l[1] = "abc"
+ :lua l[2] = vim.eval("[1, 2, 3]")
+ :lua l[3] = vim.eval("{'a':1, 'b':2, 'c':3}")
+ :lua l[3] = nil
+ :lua l[2] = nil
+ :lua l[1] = nil
+ :lua l[0] = nil
+ :lua l = nil
+ :$put =string(l)
+
+ :let d = {}
+ :lua d = vim.eval("d")
+ :lua d[0] = 123
+ :lua d[1] = "abc"
+ :lua d[2] = vim.eval("[1, 2, 3]")
+ :lua d[3] = vim.eval("{'a':1, 'b':2, 'c':3}")
+ :lua d[4] = d[0]
+ :lua d[5] = d[1]
+ :lua d[6] = d[2]
+ :lua d[7] = d[3]
+ :lua d[3] = nil
+ :lua d[2] = nil
+ :lua d[1] = nil
+ :lua d[0] = nil
+ :lua d = nil
+ :$put =string(d)
+
:?^1?,$w! test.out
:qa!
ENDTEST
*** ../vim-7.3.895/src/testdir/test85.ok 2012-04-05 16:56:38.000000000 +0200
--- src/testdir/test85.ok 2013-04-15 13:12:47.000000000 +0200
***************
*** 3,5 ****
--- 3,7 ----
2 line 2
dictionary with list OK
circular test OK
+ [123.0, 'abc', [1, 2, 3], {'a': 1, 'b': 2, 'c': 3}]
+ {'4': 123.0, '5': 'abc', '6': [1, 2, 3], '7': {'a': 1, 'b': 2, 'c': 3}}
*** ../vim-7.3.895/src/if_lua.c 2013-04-12 12:18:43.000000000 +0200
--- src/if_lua.c 2013-04-15 13:35:40.000000000 +0200
***************
*** 709,716 ****
{
const char *s = lua_tostring(L, 2);
if (strncmp(s, "add", 3) == 0
! || strncmp(s, "insert", 6) == 0
! || strncmp(s, "extend", 6) == 0)
{
lua_getmetatable(L, 1);
lua_getfield(L, -1, s);
--- 709,715 ----
{
const char *s = lua_tostring(L, 2);
if (strncmp(s, "add", 3) == 0
! || strncmp(s, "insert", 6) == 0)
{
lua_getmetatable(L, 1);
lua_getfield(L, -1, s);
***************
*** 745,750 ****
--- 744,750 ----
luaV_totypval(L, 3, &v);
clear_tv(&li->li_tv);
copy_tv(&v, &li->li_tv);
+ clear_tv(&v);
}
return 0;
}
***************
*** 754,770 ****
{
luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST);
list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis);
! listitem_T *li;
if (l->lv_lock)
luaL_error(L, "list is locked");
! li = listitem_alloc();
! if (li != NULL)
{
! typval_T v;
! lua_settop(L, 2);
! luaV_totypval(L, 2, &v);
! list_append_tv(l, &v);
}
lua_settop(L, 1);
return 1;
}
--- 754,770 ----
{
luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST);
list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis);
! typval_T v;
if (l->lv_lock)
luaL_error(L, "list is locked");
! lua_settop(L, 2);
! luaV_totypval(L, 2, &v);
! if (list_append_tv(l, &v) == FAIL)
{
! clear_tv(&v);
! luaL_error(L, "Failed to add item to list");
}
+ clear_tv(&v);
lua_settop(L, 1);
return 1;
}
***************
*** 787,793 ****
}
lua_settop(L, 2);
luaV_totypval(L, 2, &v);
! list_insert_tv(l, &v, li);
lua_settop(L, 1);
return 1;
}
--- 787,798 ----
}
lua_settop(L, 2);
luaV_totypval(L, 2, &v);
! if (list_insert_tv(l, &v, li) == FAIL)
! {
! clear_tv(&v);
! luaL_error(L, "Failed to add item to list");
! }
! clear_tv(&v);
lua_settop(L, 1);
return 1;
}
***************
*** 908,913 ****
--- 913,919 ----
typval_T v;
luaV_totypval(L, 3, &v);
copy_tv(&v, &di->di_tv);
+ clear_tv(&v);
}
return 0;
}
***************
*** 1323,1328 ****
--- 1329,1335 ----
typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL);
if (tv == NULL) luaL_error(L, "invalid expression");
luaV_pushtypval(L, tv);
+ free_tv(tv);
return 1;
}
*** ../vim-7.3.895/src/version.c 2013-04-15 13:06:15.000000000 +0200
--- src/version.c 2013-04-15 13:48:21.000000000 +0200
***************
*** 730,731 ****
--- 730,733 ----
{ /* Add new patch number below this line */
+ /**/
+ 896,
/**/
--
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172. You join listservers just for the extra e-mail.
/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///