*misc

1 files changed, 6 insertions, 3 deletions

diff --git a/src/lua51/lapi.c b/src/lua51/lapi.c
index 5d5145d..0678908 100644
--- a/src/lua51/lapi.c
+++ b/src/lua51/lapi.c
@@ -801,7 +801,7 @@ static void f_call (lua_State *L, void *ud) {
 }
 
 
-
+//c 
 LUA_API int lua_pcall (lua_State *L, int nargs, int nresults, int errfunc) {
   struct CallS c;
   int status;
@@ -816,7 +816,7 @@ LUA_API int lua_pcall (lua_State *L, int nargs, int nresults, int errfunc) {
     api_checkvalidindex(L, o);
     func = savestack(L, o);
   }
-  c.func = L->top - (nargs+1);  /* function to be called */
+  c.func = L->top - (nargs+1);  /* function to be called */ //调用的函数的指针,是f_parser函数的输出，放在栈顶的那个指针
   c.nresults = nresults;
   status = luaD_pcall(L, f_call, &c, savestack(L, c.func), func);
   adjustresults(L, nresults);
@@ -859,6 +859,8 @@ LUA_API int lua_cpcall (lua_State *L, lua_CFunction func, void *ud) {
 }
 
 
+//c 加载代码，并编译生成函数原型 调用了f_parser
+//c load完之后会生成一个closure（包含proto)在栈顶
 LUA_API int lua_load (lua_State *L, lua_Reader reader, void *data,
                       const char *chunkname) {
   ZIO z;
@@ -866,7 +868,8 @@ LUA_API int lua_load (lua_State *L, lua_Reader reader, void *data,
   lua_lock(L);
   if (!chunkname) chunkname = "?";
   luaZ_init(L, &z, reader, data);
-  status = luaD_protectedparser(L, &z, chunkname);
+	//c 保护模式下编译源代码
+  status = luaD_protectedparser(L, &z, chunkname); // 编译
   lua_unlock(L);
   return status;
 }