From bfd0179042b0b02fb88748d54e56e7e208bb117f Mon Sep 17 00:00:00 2001
From: Marcin Bukat <marcin.bukat@gmail.com>
Date: Wed, 2 Apr 2014 20:46:06 +0200
Subject: Revert "Update lua plugin to 5.2.3"

FILE typedef to *void needs more work to not break sim and
application builds. I checked only a few random native builds
unfortunately. Sorry for inconvenience.
---
 apps/plugins/lua/lparser.h | 75 ++++++++++++----------------------------------
 1 file changed, 19 insertions(+), 56 deletions(-)

(limited to 'apps/plugins/lua/lparser.h')

diff --git a/apps/plugins/lua/lparser.h b/apps/plugins/lua/lparser.h
index 0346e3c..f9b8e24 100644
--- a/apps/plugins/lua/lparser.h
+++ b/apps/plugins/lua/lparser.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lparser.h,v 1.70.1.1 2013/04/12 18:48:47 roberto Exp $
+** $Id$
 ** Lua Parser
 ** See Copyright Notice in lua.h
 */
@@ -23,72 +23,34 @@ typedef enum {
   VFALSE,
   VK,		/* info = index of constant in `k' */
   VKNUM,	/* nval = numerical value */
-  VNONRELOC,	/* info = result register */
   VLOCAL,	/* info = local register */
-  VUPVAL,       /* info = index of upvalue in 'upvalues' */
-  VINDEXED,	/* t = table register/upvalue; idx = index R/K */
+  VUPVAL,       /* info = index of upvalue in `upvalues' */
+  VGLOBAL,	/* info = index of table; aux = index of global name in `k' */
+  VINDEXED,	/* info = table register; aux = index register (or `k') */
   VJMP,		/* info = instruction pc */
   VRELOCABLE,	/* info = instruction pc */
+  VNONRELOC,	/* info = result register */
   VCALL,	/* info = instruction pc */
   VVARARG	/* info = instruction pc */
 } expkind;
 
-
-#define vkisvar(k)	(VLOCAL <= (k) && (k) <= VINDEXED)
-#define vkisinreg(k)	((k) == VNONRELOC || (k) == VLOCAL)
-
 typedef struct expdesc {
   expkind k;
   union {
-    struct {  /* for indexed variables (VINDEXED) */
-      short idx;  /* index (R/K) */
-      lu_byte t;  /* table (register or upvalue) */
-      lu_byte vt;  /* whether 't' is register (VLOCAL) or upvalue (VUPVAL) */
-    } ind;
-    int info;  /* for generic use */
-    lua_Number nval;  /* for VKNUM */
+    struct { int info, aux; } s;
+    lua_Number nval;
   } u;
   int t;  /* patch list of `exit when true' */
   int f;  /* patch list of `exit when false' */
 } expdesc;
 
 
-/* description of active local variable */
-typedef struct Vardesc {
-  short idx;  /* variable index in stack */
-} Vardesc;
-
-
-/* description of pending goto statements and label statements */
-typedef struct Labeldesc {
-  TString *name;  /* label identifier */
-  int pc;  /* position in code */
-  int line;  /* line where it appeared */
-  lu_byte nactvar;  /* local level where it appears in current block */
-} Labeldesc;
-
-
-/* list of labels or gotos */
-typedef struct Labellist {
-  Labeldesc *arr;  /* array */
-  int n;  /* number of entries in use */
-  int size;  /* array size */
-} Labellist;
-
-
-/* dynamic structures used by the parser */
-typedef struct Dyndata {
-  struct {  /* list of active local variables */
-    Vardesc *arr;
-    int n;
-    int size;
-  } actvar;
-  Labellist gt;  /* list of pending gotos */
-  Labellist label;   /* list of active labels */
-} Dyndata;
+typedef struct upvaldesc {
+  lu_byte k;
+  lu_byte info;
+} upvaldesc;
 
 
-/* control of blocks */
 struct BlockCnt;  /* defined in lparser.c */
 
 
@@ -98,22 +60,23 @@ typedef struct FuncState {
   Table *h;  /* table to find (and reuse) elements in `k' */
   struct FuncState *prev;  /* enclosing function */
   struct LexState *ls;  /* lexical state */
+  struct lua_State *L;  /* copy of the Lua state */
   struct BlockCnt *bl;  /* chain of current blocks */
   int pc;  /* next position to code (equivalent to `ncode') */
-  int lasttarget;   /* 'label' of last 'jump label' */
+  int lasttarget;   /* `pc' of last `jump target' */
   int jpc;  /* list of pending jumps to `pc' */
+  int freereg;  /* first free register */
   int nk;  /* number of elements in `k' */
   int np;  /* number of elements in `p' */
-  int firstlocal;  /* index of first local var (in Dyndata array) */
-  short nlocvars;  /* number of elements in 'f->locvars' */
+  short nlocvars;  /* number of elements in `locvars' */
   lu_byte nactvar;  /* number of active local variables */
-  lu_byte nups;  /* number of upvalues */
-  lu_byte freereg;  /* first free register */
+  upvaldesc upvalues[LUAI_MAXUPVALUES];  /* upvalues */
+  unsigned short actvar[LUAI_MAXVARS];  /* declared-variable stack */
 } FuncState;
 
 
-LUAI_FUNC Closure *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,
-                                Dyndata *dyd, const char *name, int firstchar);
+LUAI_FUNC Proto *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,
+                                            const char *name);
 
 
 #endif
-- 
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