misc/liblua/lparser.h
author Wuzzy <Wuzzy2@mail.ru>
Wed, 18 Apr 2018 17:12:15 +0200
changeset 13341 afc089c39556
parent 10017 de822cd3df3a
permissions -rw-r--r--
Removed tag 0.9.24.1-release
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2812
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     1
/*
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     2
** $Id: lparser.h,v 1.57.1.1 2007/12/27 13:02:25 roberto Exp $
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     3
** Lua Parser
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     4
** See Copyright Notice in lua.h
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     5
*/
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     6
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     7
#ifndef lparser_h
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     8
#define lparser_h
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
     9
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    10
#include "llimits.h"
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    11
#include "lobject.h"
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    12
#include "lzio.h"
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    13
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    14
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    15
/*
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    16
** Expression descriptor
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    17
*/
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    18
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    19
typedef enum {
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    20
  VVOID,    /* no value */
2812
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    21
  VNIL,
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    22
  VTRUE,
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    23
  VFALSE,
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    24
  VK,       /* info = index of constant in `k' */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    25
  VKNUM,    /* nval = numerical value */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    26
  VLOCAL,   /* info = local register */
2812
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    27
  VUPVAL,       /* info = index of upvalue in `upvalues' */
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    28
  VGLOBAL,  /* info = index of table; aux = index of global name in `k' */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    29
  VINDEXED, /* info = table register; aux = index register (or `k') */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    30
  VJMP,     /* info = instruction pc */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    31
  VRELOCABLE,   /* info = instruction pc */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    32
  VNONRELOC,    /* info = result register */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    33
  VCALL,    /* info = instruction pc */
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 2812
diff changeset
    34
  VVARARG   /* info = instruction pc */
2812
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    35
} expkind;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    36
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    37
typedef struct expdesc {
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    38
  expkind k;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    39
  union {
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    40
    struct { int info, aux; } s;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    41
    lua_Number nval;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    42
  } u;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    43
  int t;  /* patch list of `exit when true' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    44
  int f;  /* patch list of `exit when false' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    45
} expdesc;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    46
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    47
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    48
typedef struct upvaldesc {
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    49
  lu_byte k;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    50
  lu_byte info;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    51
} upvaldesc;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    52
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    53
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    54
struct BlockCnt;  /* defined in lparser.c */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    55
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    56
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    57
/* state needed to generate code for a given function */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    58
typedef struct FuncState {
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    59
  Proto *f;  /* current function header */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    60
  Table *h;  /* table to find (and reuse) elements in `k' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    61
  struct FuncState *prev;  /* enclosing function */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    62
  struct LexState *ls;  /* lexical state */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    63
  struct lua_State *L;  /* copy of the Lua state */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    64
  struct BlockCnt *bl;  /* chain of current blocks */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    65
  int pc;  /* next position to code (equivalent to `ncode') */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    66
  int lasttarget;   /* `pc' of last `jump target' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    67
  int jpc;  /* list of pending jumps to `pc' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    68
  int freereg;  /* first free register */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    69
  int nk;  /* number of elements in `k' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    70
  int np;  /* number of elements in `p' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    71
  short nlocvars;  /* number of elements in `locvars' */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    72
  lu_byte nactvar;  /* number of active local variables */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    73
  upvaldesc upvalues[LUAI_MAXUPVALUES];  /* upvalues */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    74
  unsigned short actvar[LUAI_MAXVARS];  /* declared-variable stack */
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    75
} FuncState;
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    76
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    77
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    78
LUAI_FUNC Proto *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    79
                                            const char *name);
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    80
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    81
0a24853de796 add liblua to sources for macosx
koda
parents:
diff changeset
    82
#endif