Ardour  9.0-pre0-582-g084a23a80d
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;
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 */
73 
74 
77  TString *source, int firstchar);
78 LUAI_FUNC TString *luaX_newstring (LexState *ls, const char *str, size_t l);
82 LUAI_FUNC const char *luaX_token2str (LexState *ls, int token);
83 
84 
85 #endif
void luaX_setinput(lua_State *L, LexState *ls, ZIO *z, TString *source, int firstchar)
void luaX_init(lua_State *L)
#define FIRST_RESERVED
Definition: llex.h:14
TString * luaX_newstring(LexState *ls, const char *str, size_t l)
void luaX_next(LexState *ls)
struct LexState LexState
void luaX_syntaxerror(LexState *ls, const char *s)
RESERVED
Definition: llex.h:26
@ TK_FALSE
Definition: llex.h:29
@ TK_STRING
Definition: llex.h:36
@ TK_DO
Definition: llex.h:29
@ TK_BREAK
Definition: llex.h:28
@ TK_GE
Definition: llex.h:33
@ TK_DBCOLON
Definition: llex.h:35
@ TK_ELSE
Definition: llex.h:29
@ TK_DOTS
Definition: llex.h:33
@ TK_END
Definition: llex.h:29
@ TK_WHILE
Definition: llex.h:31
@ TK_LOCAL
Definition: llex.h:30
@ TK_IF
Definition: llex.h:30
@ TK_TRUE
Definition: llex.h:31
@ TK_NE
Definition: llex.h:33
@ TK_THEN
Definition: llex.h:31
@ TK_FOR
Definition: llex.h:29
@ TK_IDIV
Definition: llex.h:33
@ TK_FLT
Definition: llex.h:36
@ TK_CONCAT
Definition: llex.h:33
@ TK_NAME
Definition: llex.h:36
@ TK_IN
Definition: llex.h:30
@ TK_NIL
Definition: llex.h:30
@ TK_NOT
Definition: llex.h:30
@ TK_INT
Definition: llex.h:36
@ TK_REPEAT
Definition: llex.h:30
@ TK_EOS
Definition: llex.h:35
@ TK_FUNCTION
Definition: llex.h:29
@ TK_OR
Definition: llex.h:30
@ TK_UNTIL
Definition: llex.h:31
@ TK_RETURN
Definition: llex.h:31
@ TK_LE
Definition: llex.h:33
@ TK_SHR
Definition: llex.h:34
@ TK_AND
Definition: llex.h:28
@ TK_EQ
Definition: llex.h:33
@ TK_GOTO
Definition: llex.h:30
@ TK_ELSEIF
Definition: llex.h:29
@ TK_SHL
Definition: llex.h:34
struct Token Token
int luaX_lookahead(LexState *ls)
const char * luaX_token2str(LexState *ls, int token)
#define l_noret
Definition: llimits.h:143
LUA_INTEGER lua_Integer
Definition: lua-5.3.5/lua.h:93
double lua_Number
Definition: lua-5.3.5/lua.h:89
#define LUAI_FUNC
Definition: luaconf.h:282
Definition: llex.h:58
struct FuncState * fs
Definition: llex.h:64
TString * source
Definition: llex.h:70
Table * h
Definition: llex.h:68
TString * envn
Definition: llex.h:71
struct Dyndata * dyd
Definition: llex.h:69
ZIO * z
Definition: llex.h:66
Token t
Definition: llex.h:62
int linenumber
Definition: llex.h:60
int lastline
Definition: llex.h:61
Mbuffer * buff
Definition: llex.h:67
int current
Definition: llex.h:59
Token lookahead
Definition: llex.h:63
struct lua_State * L
Definition: llex.h:65
Definition: lzio.h:23
Definition: lobject.h:497
Definition: llex.h:50
SemInfo seminfo
Definition: llex.h:52
int token
Definition: llex.h:51
Definition: lzio.h:55
Definition: llex.h:43
TString * ts
Definition: llex.h:46
lua_Number r
Definition: llex.h:44
lua_Integer i
Definition: llex.h:45