From c80c7a49fdbd5c6540bd49ef47925edd9eed8c99 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 21 Feb 2018 13:28:12 -0300
Subject: [PATCH] details (comments)

---
 lobject.h | 45 ++++++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 19 deletions(-)

diff --git a/lobject.h b/lobject.h
index 03396f11..5d6abdd1 100644
--- a/lobject.h
+++ b/lobject.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.h,v 2.133 2018/01/28 15:13:26 roberto Exp roberto $
+** $Id: lobject.h,v 2.134 2018/02/20 16:52:50 roberto Exp roberto $
 ** Type definitions for Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -88,12 +88,6 @@ struct GCObject {
 
 
 
-
-/*
-** Tagged Values. This is the basic representation of values in Lua,
-** an actual value plus a tag with its type.
-*/
-
 /*
 ** Union of all Lua values
 */
@@ -107,8 +101,12 @@ typedef union Value {
 } Value;
 
 
-#define TValuefields	Value value_; lu_byte tt_
+/*
+** Tagged Values. This is the basic representation of values in Lua:
+** an actual value plus a tag with its type.
+*/
 
+#define TValuefields	Value value_; lu_byte tt_
 
 typedef struct TValue {
   TValuefields;
@@ -301,14 +299,6 @@ typedef struct TValue {
 
 
 
-
-/*
-** {======================================================
-** types and prototypes
-** =======================================================
-*/
-
-
 typedef union StackValue {
   TValue val;
 } StackValue;
@@ -321,6 +311,12 @@ typedef StackValue *StkId;  /* index to stack elements */
 
 
 
+/*
+** {==================================================================
+** Strings
+** ===================================================================
+*/
+
 /*
 ** Header for string value; string bytes follow the end of this structure
 ** (aligned according to 'UTString'; see next).
@@ -363,6 +359,8 @@ typedef union UTString {
 /* get string length from 'TValue *o' */
 #define vslen(o)	tsslen(tsvalue(o))
 
+/* }================================================================== */
+
 
 /*
 ** {==================================================================
@@ -404,7 +402,6 @@ typedef struct Udata {
 /* }================================================================== */
 
 
-
 /*
 ** {==================================================================
 ** Prototypes
@@ -480,6 +477,11 @@ typedef struct Proto {
 /* }================================================================== */
 
 
+/*
+** {==================================================================
+** Closures
+** ===================================================================
+*/
 
 /*
 ** Upvalues for Lua closures
@@ -529,14 +531,17 @@ typedef union Closure {
 
 #define getproto(o)	(clLvalue(o)->p)
 
+/* }================================================================== */
+
 
 /*
+** {==================================================================
 ** Tables
+** ===================================================================
 */
 
-
 /*
-** Nodes for Hash tables. A pack of two TValue's (key-value pairs)
+** Nodes for Hash tables: A pack of two TValue's (key-value pairs)
 ** plus a 'next' field to link colliding entries. The distribution
 ** of the key's fields ('key_tt' and 'key_val') not forming a proper
 ** 'TValue' allows for a smaller size for 'Node' both in 4-byte
@@ -609,6 +614,8 @@ typedef struct Table {
 */
 #define setdeadkey(n)	(keytt(n) = LUA_TTABLE, gckey(n) = NULL)
 
+/* }================================================================== */
+
 
 
 /*