From 9fdf73bc9a6b4c6afbfff1d8181fface6b1c6761 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 28 Aug 2000 14:57:04 -0300
Subject: first version for new API

---
 lstate.h | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)

(limited to 'lstate.h')

diff --git a/lstate.h b/lstate.h
index d177c3a6..65e4c6ef 100644
--- a/lstate.h
+++ b/lstate.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lstate.h,v 1.35 2000/08/07 18:39:16 roberto Exp roberto $
+** $Id: lstate.h,v 1.36 2000/08/08 20:42:07 roberto Exp roberto $
 ** Global State
 ** See Copyright Notice in lua.h
 */
@@ -19,27 +19,28 @@ typedef TObject *StkId;  /* index to stack elements */
 
 
 /*
-** chain list of long jumps
+** marks for Reference array
 */
-struct lua_longjmp {
-  jmp_buf b;
-  struct lua_longjmp *previous;
-  volatile int status;  /* error code */
-  StkId base;
-  int numCblocks;
+#define NONEXT          -1      /* to end the free list */
+#define HOLD            -2
+#define COLLECTED       -3
+#define LOCK            -4
+
+
+struct Ref {
+  TObject o;
+  int st;  /* can be LOCK, HOLD, COLLECTED, or next (for free list) */
 };
 
 
 /*
-** stack layout for C point of view:
-** [lua2C, lua2C+num) - `array' lua2C
-** [lua2C+num, base)  - space for extra lua_Objects (limbo)
-** [base, L->top)     - `stack' C2Lua
+** chain list of long jumps
 */
-struct C_Lua_Stack {
+struct lua_longjmp {
+  jmp_buf b;
+  struct lua_longjmp *previous;
+  volatile int status;  /* error code */
   StkId base;
-  StkId lua2C;
-  int num;
 };
 
 
@@ -57,14 +58,12 @@ struct lua_State {
   StkId stack;  /* stack base */
   StkId stack_last;  /* last free slot in the stack */
   int stacksize;
-  struct C_Lua_Stack Cstack;  /* C2lua struct */
+  StkId Cbase;  /* base for current C function */
   struct lua_longjmp *errorJmp;  /* current error recover point */
   char *Mbuffer;  /* global buffer */
   size_t Mbuffbase;  /* current first position of Mbuffer */
   size_t Mbuffsize;  /* size of Mbuffer */
   size_t Mbuffnext;  /* next position to fill in Mbuffer */
-  struct C_Lua_Stack *Cblocks;
-  int numCblocks;  /* number of nested Cblocks */
   /* global state */
   Proto *rootproto;  /* list of all prototypes */
   Closure *rootcl;  /* list of all closures */
-- 
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