1 files changed, 8 insertions, 5 deletions
diff --git a/src/lua51/lfunc.c b/src/lua51/lfunc.c
index 813e88f..df2c8e3 100644
--- a/src/lua51/lfunc.c
+++ b/src/lua51/lfunc.c
@@ -30,21 +30,24 @@ Closure *luaF_newCclosure (lua_State *L, int nelems, Table *e) {
 }
 
 
+//c 新建lua closure
+//c nelems upvalue的个数
 Closure *luaF_newLclosure (lua_State *L, int nelems, Table *e) {
   Closure *c = cast(Closure *, luaM_malloc(L, sizeLclosure(nelems)));
-  luaC_link(L, obj2gco(c), LUA_TFUNCTION);
-  c->l.isC = 0;
-  c->l.env = e;
+  luaC_link(L, obj2gco(c), LUA_TFUNCTION); //c 加入GC链表
+  c->l.isC = 0; //c not c closure
+  c->l.env = e; //c 设置这个闭包的环境
   c->l.nupvalues = cast_byte(nelems);
   while (nelems--) c->l.upvals[nelems] = NULL;
   return c;
 }
 
 
+//c 新建一个closed upvalue
 UpVal *luaF_newupval (lua_State *L) {
   UpVal *uv = luaM_new(L, UpVal);
-  luaC_link(L, obj2gco(uv), LUA_TUPVAL);
-  uv->v = &uv->u.value;
+  luaC_link(L, obj2gco(uv), LUA_TUPVAL); //c 加入GC链表
+  uv->v = &uv->u.value; //c closed
   setnilvalue(uv->v);
   return uv;
 }