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Simplify and clarify metatable creation functions.

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This commit is contained in:
Reuben Thomas
2011-06-09 20:35:12 +01:00
parent 3cea6c6e96
commit 83faa7e05d
1 changed files with 12 additions and 10 deletions
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22
src/lfs.c
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@@ -534,19 +534,18 @@ static int dir_iter_factory (lua_State *L) {
*/ */
static int dir_create_meta (lua_State *L) { static int dir_create_meta (lua_State *L) {
luaL_newmetatable (L, DIR_METATABLE); luaL_newmetatable (L, DIR_METATABLE);
/* set its __gc field */
lua_pushstring (L, "__index"); /* Method table */
lua_newtable(L); lua_newtable(L);
lua_pushstring (L, "next");
lua_pushcfunction (L, dir_iter); lua_pushcfunction (L, dir_iter);
lua_settable(L, -3); lua_setfield(L, -2, "next");
lua_pushstring (L, "close");
lua_pushcfunction (L, dir_close); lua_pushcfunction (L, dir_close);
lua_settable(L, -3); lua_setfield(L, -2, "close");
lua_settable (L, -3);
lua_pushstring (L, "__gc"); /* Metamethods */
lua_setfield(L, -2, "__index");
lua_pushcfunction (L, dir_close); lua_pushcfunction (L, dir_close);
lua_settable (L, -3); lua_setfield (L, -2, "__gc");
return 1; return 1;
} }
@@ -555,10 +554,13 @@ static int dir_create_meta (lua_State *L) {
*/ */
static int lock_create_meta (lua_State *L) { static int lock_create_meta (lua_State *L) {
luaL_newmetatable (L, LOCK_METATABLE); luaL_newmetatable (L, LOCK_METATABLE);
/* set its __gc field */
/* Method table */
lua_newtable(L); lua_newtable(L);
lua_pushcfunction(L, lfs_unlock_dir); lua_pushcfunction(L, lfs_unlock_dir);
lua_setfield(L, -2, "free"); lua_setfield(L, -2, "free");
/* Metamethods */
lua_setfield(L, -2, "__index"); lua_setfield(L, -2, "__index");
lua_pushcfunction(L, lfs_unlock_dir); lua_pushcfunction(L, lfs_unlock_dir);
lua_setfield(L, -2, "__gc"); lua_setfield(L, -2, "__gc");