From 50e29525936be4891f9db090f293432913b5f7c0 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Fri, 25 Jan 2002 20:14:54 -0200
Subject: first version of dynamic stack

---
 lstate.h | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'lstate.h')

diff --git a/lstate.h b/lstate.h
index a90daa5f..684c40b4 100644
--- a/lstate.h
+++ b/lstate.h
@@ -64,8 +64,17 @@ struct lua_longjmp;  /* defined in ldo.c */
 
 #define RESERVED_STACK_PREFIX	3
 
-/* space to handle stack overflow errors */
-#define EXTRA_STACK   (2*LUA_MINSTACK)
+
+/* space to handle TM calls */
+#define EXTRA_STACK   4
+
+
+#define BASIC_CI_SIZE           6
+
+#define BASIC_STACK_SIZE        (2*LUA_MINSTACK)
+
+#define DEFAULT_MAXSTACK        12000
+
 
 
 
@@ -84,6 +93,7 @@ typedef struct CallInfo {
   const Instruction *savedpc;
   StkId	top;  /* top for this function (when it's a Lua function) */
   const Instruction **pc;
+  StkId *pb;
   /* extra information for line tracing */
   int lastpc;  /* last pc traced */
   int line;  /* current line */
@@ -124,6 +134,7 @@ struct lua_State {
   StkId stack_last;  /* last free slot in the stack */
   StkId stack;  /* stack base */
   int stacksize;
+  int maxstacksize;
   CallInfo *end_ci;  /* points after end of ci array*/
   CallInfo *base_ci;  /* array of CallInfo's */
   int size_ci;  /* size of array `base_ci' */
-- 
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