The Battle for Wesnoth  1.15.1+dev
llex.h
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1 /*
2 ** $Id: llex.h,v 1.79.1.1 2017/04/19 17:20:42 roberto Exp $
3 ** Lexical Analyzer
4 ** See Copyright Notice in lua.h
5 */
6 
7 #ifndef llex_h
8 #define llex_h
9 
10 #include "lobject.h"
11 #include "lzio.h"
12 
13 
14 #define FIRST_RESERVED 257
15 
16 
17 #if !defined(LUA_ENV)
18 #define LUA_ENV "_ENV"
19 #endif
20 
21 
22 /*
23 * WARNING: if you change the order of this enumeration,
24 * grep "ORDER RESERVED"
25 */
26 enum RESERVED {
27  /* terminal symbols denoted by reserved words */
32  /* other terminal symbols */
37 };
38 
39 /* number of reserved words */
40 #define NUM_RESERVED (cast(int, TK_WHILE-FIRST_RESERVED+1))
41 
42 
43 typedef union {
47 } SemInfo; /* semantics information */
48 
49 
50 typedef struct Token {
51  int token;
53 } Token;
54 
55 
56 /* state of the lexer plus state of the parser when shared by all
57  functions */
58 typedef struct LexState {
59  int current; /* current character (charint) */
60  int linenumber; /* input line counter */
61  int lastline; /* line of last token 'consumed' */
62  Token t; /* current token */
63  Token lookahead; /* look ahead token */
64  struct FuncState *fs; /* current function (parser) */
65  struct lua_State *L;
66  ZIO *z; /* input stream */
67  Mbuffer *buff; /* buffer for tokens */
68  Table *h; /* to avoid collection/reuse strings */
69  struct Dyndata *dyd; /* dynamic structures used by the parser */
70  TString *source; /* current source name */
71  TString *envn; /* environment variable name */
72 } LexState;
73 
74 
75 LUAI_FUNC void luaX_init (lua_State *L);
76 LUAI_FUNC void luaX_setinput (lua_State *L, LexState *ls, ZIO *z,
77  TString *source, int firstchar);
78 LUAI_FUNC TString *luaX_newstring (LexState *ls, const char *str, size_t l);
79 LUAI_FUNC void luaX_next (LexState *ls);
81 LUAI_FUNC l_noret luaX_syntaxerror (LexState *ls, const char *s);
82 LUAI_FUNC const char *luaX_token2str (LexState *ls, int token);
83 
84 
85 #endif
struct Dyndata * dyd
Definition: llex.h:69
Definition: llex.h:31
Definition: llex.h:29
Definition: llex.h:30
TString * envn
Definition: llex.h:71
Definition: llex.h:28
Definition: lobject.h:497
Definition: llex.h:36
LUAI_FUNC void luaX_setinput(lua_State *L, LexState *ls, ZIO *z, TString *source, int firstchar)
Definition: llex.cpp:162
Definition: llex.h:34
Definition: llex.h:29
#define LUAI_FUNC
Definition: luaconf.h:282
Definition: llex.h:43
LUAI_FUNC void luaX_next(LexState *ls)
Definition: llex.cpp:549
Definition: llex.h:30
TString * ts
Definition: llex.h:46
int linenumber
Definition: llex.h:60
LUAI_FUNC void luaX_init(lua_State *L)
Definition: llex.cpp:70
int current
Definition: llex.h:59
int token
Definition: llex.h:51
struct Token Token
RESERVED
Definition: llex.h:26
Token lookahead
Definition: llex.h:63
Definition: llex.h:31
#define l_noret
Definition: llimits.h:143
Definition: llex.h:33
Definition: llex.h:33
Definition: llex.h:29
Token t
Definition: llex.h:62
Definition: llex.h:35
Definition: llex.h:50
Definition: llex.h:31
Definition: llex.h:30
Definition: llex.h:33
LUA_INTEGER lua_Integer
Definition: lua.h:93
SemInfo seminfo
Definition: llex.h:52
Definition: llex.h:33
Definition: llex.h:36
Definition: llex.h:29
Definition: llex.h:31
LUAI_FUNC const char * luaX_token2str(LexState *ls, int token)
Definition: llex.cpp:82
Definition: llex.h:30
struct FuncState * fs
Definition: llex.h:64
Definition: llex.h:33
Definition: llex.h:28
Definition: lzio.h:55
Definition: llex.h:31
Definition: llex.h:29
TString * source
Definition: llex.h:70
Definition: llex.h:29
static map_location::DIRECTION s
Definition: llex.h:58
lua_Number r
Definition: llex.h:44
Definition: llex.h:30
Definition: llex.h:30
LUAI_FUNC TString * luaX_newstring(LexState *ls, const char *str, size_t l)
Definition: llex.cpp:127
LUAI_FUNC l_noret luaX_syntaxerror(LexState *ls, const char *s)
Definition: llex.cpp:117
Definition: llex.h:33
#define FIRST_RESERVED
Definition: llex.h:14
struct lua_State * L
Definition: llex.h:65
Table * h
Definition: llex.h:68
Definition: llex.h:30
Definition: llex.h:30
Definition: lzio.h:23
Definition: llex.h:36
LUAI_FUNC int luaX_lookahead(LexState *ls)
Definition: llex.cpp:560
Definition: llex.h:34
lua_Integer i
Definition: llex.h:45
struct LexState LexState
Definition: llex.h:33
Mbuffer * buff
Definition: llex.h:67
LUA_NUMBER lua_Number
Definition: lua.h:89
Definition: llex.h:36
ZIO * z
Definition: llex.h:66
int lastline
Definition: llex.h:61