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author | Jelmer Vernooij <jelmer@samba.org> | 2008-12-19 21:47:45 +0100 |
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committer | Jelmer Vernooij <jelmer@samba.org> | 2008-12-19 21:47:45 +0100 |
commit | 5076c64d43c68a028ac944c336715b4cb277365f (patch) | |
tree | e88fc16979b75b5b30377e84b76ebb1b87e01591 /source3/lua-5.1.4/src/lparser.h | |
parent | 6998ef4fe021ebf40f63c2191d3259888a8ad7f4 (diff) | |
parent | 13eefa7c435cb5ac656f662c78260a82caf43180 (diff) | |
download | samba-5076c64d43c68a028ac944c336715b4cb277365f.tar.gz samba-5076c64d43c68a028ac944c336715b4cb277365f.tar.bz2 samba-5076c64d43c68a028ac944c336715b4cb277365f.zip |
Merge branch 'master' of ssh://git.samba.org/data/git/samba
Diffstat (limited to 'source3/lua-5.1.4/src/lparser.h')
-rw-r--r-- | source3/lua-5.1.4/src/lparser.h | 82 |
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 index 0000000000..18836afd1c --- /dev/null +++ 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 |