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author | Li Jin <dragon-fly@qq.com> | 2022-10-31 11:32:33 +0800 |
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committer | Li Jin <dragon-fly@qq.com> | 2022-11-09 11:29:32 +0800 |
commit | 417ec1a37922c6178900adfec70628cad46731ff (patch) | |
tree | a5a2d74927ad2c41b5a16264a78409e1c0334b72 /win-build/Lua53/llex.h | |
parent | 3dd607c8887d2fe0186668aabca31bb84a41e2da (diff) | |
download | yuescript-417ec1a37922c6178900adfec70628cad46731ff.tar.gz yuescript-417ec1a37922c6178900adfec70628cad46731ff.tar.bz2 yuescript-417ec1a37922c6178900adfec70628cad46731ff.zip |
fix issue #112 and issue #113.
Diffstat (limited to 'win-build/Lua53/llex.h')
-rw-r--r-- | win-build/Lua53/llex.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/win-build/Lua53/llex.h b/win-build/Lua53/llex.h new file mode 100644 index 0000000..2ed0af6 --- /dev/null +++ b/win-build/Lua53/llex.h | |||
@@ -0,0 +1,85 @@ | |||
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 */ | ||
28 | TK_AND = FIRST_RESERVED, TK_BREAK, | ||
29 | TK_DO, TK_ELSE, TK_ELSEIF, TK_END, TK_FALSE, TK_FOR, TK_FUNCTION, | ||
30 | TK_GOTO, TK_IF, TK_IN, TK_LOCAL, TK_NIL, TK_NOT, TK_OR, TK_REPEAT, | ||
31 | TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE, | ||
32 | /* other terminal symbols */ | ||
33 | TK_IDIV, TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE, | ||
34 | TK_SHL, TK_SHR, | ||
35 | TK_DBCOLON, TK_EOS, | ||
36 | TK_FLT, TK_INT, TK_NAME, TK_STRING | ||
37 | }; | ||
38 | |||
39 | /* number of reserved words */ | ||
40 | #define NUM_RESERVED (cast(int, TK_WHILE-FIRST_RESERVED+1)) | ||
41 | |||
42 | |||
43 | typedef union { | ||
44 | lua_Number r; | ||
45 | lua_Integer i; | ||
46 | TString *ts; | ||
47 | } SemInfo; /* semantics information */ | ||
48 | |||
49 | |||
50 | typedef struct Token { | ||
51 | int token; | ||
52 | SemInfo seminfo; | ||
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); | ||
80 | LUAI_FUNC int luaX_lookahead (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 | ||