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authorVolker Lendecke <vl@samba.org>2008-09-19 08:01:23 +0200
committerVolker Lendecke <vl@samba.org>2008-12-17 12:57:18 +0100
commit390f19b649b85a8f8ab762c6a4e9d1a3d23d3f47 (patch)
tree9f9506e36222640d23b086d62b32de940c526a98 /source3/lua-5.1.4/src/lparser.h
parent081f8883bafc11ca7c08f868ec19f1ea32071837 (diff)
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Add the Lua distibution from http://www.lua.org/ftp/lua-5.1.4.tar.gz
Available under the MIT license. Adding it to see how the build farm likes it. They claim to be 100% pure ANSI C and compile everywhere. Lets see. If it breaks badly, we can remove it again.
Diffstat (limited to 'source3/lua-5.1.4/src/lparser.h')
-rw-r--r--source3/lua-5.1.4/src/lparser.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/source3/lua-5.1.4/src/lparser.h b/source3/lua-5.1.4/src/lparser.h
new file mode 100644
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+++ b/source3/lua-5.1.4/src/lparser.h
@@ -0,0 +1,82 @@
+/*
+** $Id: lparser.h,v 1.57.1.1 2007/12/27 13:02:25 roberto Exp $
+** Lua Parser
+** See Copyright Notice in lua.h
+*/
+
+#ifndef lparser_h
+#define lparser_h
+
+#include "llimits.h"
+#include "lobject.h"
+#include "lzio.h"
+
+
+/*
+** Expression descriptor
+*/
+
+typedef enum {
+ VVOID, /* no value */
+ VNIL,
+ VTRUE,
+ VFALSE,
+ VK, /* info = index of constant in `k' */
+ VKNUM, /* nval = numerical value */
+ VLOCAL, /* info = local register */
+ 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;
+
+typedef struct expdesc {
+ expkind k;
+ union {
+ 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;
+
+
+typedef struct upvaldesc {
+ lu_byte k;
+ lu_byte info;
+} upvaldesc;
+
+
+struct BlockCnt; /* defined in lparser.c */
+
+
+/* state needed to generate code for a given function */
+typedef struct FuncState {
+ Proto *f; /* current function header */
+ 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; /* `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' */
+ short nlocvars; /* number of elements in `locvars' */
+ lu_byte nactvar; /* number of active local variables */
+ upvaldesc upvalues[LUAI_MAXUPVALUES]; /* upvalues */
+ unsigned short actvar[LUAI_MAXVARS]; /* declared-variable stack */
+} FuncState;
+
+
+LUAI_FUNC Proto *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,
+ const char *name);
+
+
+#endif