From 6523585c66c04cea54df50013df8886b589847d8 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Mon, 23 Jan 2012 23:36:30 +1000
Subject: Add luaproc and LuaJIT libraries.

Two versions of LuaJIT, the stable release, and the dev version.  Try the dev version first, until ih fails badly.
---
 libraries/luajit-2.0/src/lj_cdata.h | 75 +++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 libraries/luajit-2.0/src/lj_cdata.h

(limited to 'libraries/luajit-2.0/src/lj_cdata.h')

diff --git a/libraries/luajit-2.0/src/lj_cdata.h b/libraries/luajit-2.0/src/lj_cdata.h
new file mode 100644
index 0000000..feb1bbf
--- /dev/null
+++ b/libraries/luajit-2.0/src/lj_cdata.h
@@ -0,0 +1,75 @@
+/*
+** C data management.
+** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_CDATA_H
+#define _LJ_CDATA_H
+
+#include "lj_obj.h"
+#include "lj_gc.h"
+#include "lj_ctype.h"
+
+#if LJ_HASFFI
+
+/* Get C data pointer. */
+static LJ_AINLINE void *cdata_getptr(void *p, CTSize sz)
+{
+  if (LJ_64 && sz == 4) {  /* Support 32 bit pointers on 64 bit targets. */
+    return ((void *)(uintptr_t)*(uint32_t *)p);
+  } else {
+    lua_assert(sz == CTSIZE_PTR);
+    return *(void **)p;
+  }
+}
+
+/* Set C data pointer. */
+static LJ_AINLINE void cdata_setptr(void *p, CTSize sz, const void *v)
+{
+  if (LJ_64 && sz == 4) {  /* Support 32 bit pointers on 64 bit targets. */
+    *(uint32_t *)p = (uint32_t)(uintptr_t)v;
+  } else {
+    lua_assert(sz == CTSIZE_PTR);
+    *(void **)p = (void *)v;
+  }
+}
+
+/* Allocate fixed-size C data object. */
+static LJ_AINLINE GCcdata *lj_cdata_new(CTState *cts, CTypeID id, CTSize sz)
+{
+  GCcdata *cd;
+#ifdef LUA_USE_ASSERT
+  CType *ct = ctype_raw(cts, id);
+  lua_assert((ctype_hassize(ct->info) ? ct->size : CTSIZE_PTR) == sz);
+#endif
+  cd = (GCcdata *)lj_mem_newgco(cts->L, sizeof(GCcdata) + sz);
+  cd->gct = ~LJ_TCDATA;
+  cd->typeid = ctype_check(cts, id);
+  return cd;
+}
+
+/* Variant which works without a valid CTState. */
+static LJ_AINLINE GCcdata *lj_cdata_new_(lua_State *L, CTypeID id, CTSize sz)
+{
+  GCcdata *cd = (GCcdata *)lj_mem_newgco(L, sizeof(GCcdata) + sz);
+  cd->gct = ~LJ_TCDATA;
+  cd->typeid = id;
+  return cd;
+}
+
+LJ_FUNC GCcdata *lj_cdata_newref(CTState *cts, const void *pp, CTypeID id);
+LJ_FUNC GCcdata *lj_cdata_newv(CTState *cts, CTypeID id, CTSize sz,
+			       CTSize align);
+
+LJ_FUNC void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd);
+LJ_FUNCA TValue * LJ_FASTCALL lj_cdata_setfin(lua_State *L, GCcdata *cd);
+
+LJ_FUNC CType *lj_cdata_index(CTState *cts, GCcdata *cd, cTValue *key,
+			      uint8_t **pp, CTInfo *qual);
+LJ_FUNC int lj_cdata_get(CTState *cts, CType *s, TValue *o, uint8_t *sp);
+LJ_FUNC void lj_cdata_set(CTState *cts, CType *d, uint8_t *dp, TValue *o,
+			  CTInfo qual);
+
+#endif
+
+#endif
-- 
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