|
295
|
1 /*
|
|
|
2 lwcc/token.h
|
|
|
3
|
|
|
4 Copyright © 2013 William Astle
|
|
|
5
|
|
|
6 This file is part of LWTOOLS.
|
|
|
7
|
|
|
8 LWTOOLS is free software: you can redistribute it and/or modify it under the
|
|
|
9 terms of the GNU General Public License as published by the Free Software
|
|
|
10 Foundation, either version 3 of the License, or (at your option) any later
|
|
|
11 version.
|
|
|
12
|
|
|
13 This program is distributed in the hope that it will be useful, but WITHOUT
|
|
|
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
|
16 more details.
|
|
|
17
|
|
|
18 You should have received a copy of the GNU General Public License along with
|
|
|
19 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
20 */
|
|
|
21
|
|
|
22 #ifndef token_h_seen___
|
|
|
23 #define token_h_seen___
|
|
|
24
|
|
|
25 #include <stdio.h>
|
|
|
26
|
|
|
27 enum
|
|
|
28 {
|
|
|
29 CPP_NOUNG = -3,
|
|
|
30 CPP_EOL = -2,
|
|
|
31 CPP_EOF = -1,
|
|
|
32 };
|
|
|
33
|
|
|
34 enum
|
|
|
35 {
|
|
|
36 TOK_NONE = 0,
|
|
|
37 TOK_EOF,
|
|
|
38 TOK_EOL,
|
|
|
39 TOK_WSPACE,
|
|
|
40 TOK_IDENT,
|
|
|
41 TOK_NUMBER,
|
|
|
42 TOK_STRING,
|
|
|
43 TOK_CHAR,
|
|
|
44 TOK_DIV,
|
|
|
45 TOK_ADD,
|
|
|
46 TOK_SUB,
|
|
|
47 TOK_OPAREN,
|
|
|
48 TOK_CPAREN,
|
|
|
49 TOK_NE,
|
|
|
50 TOK_EQ,
|
|
|
51 TOK_LE,
|
|
|
52 TOK_LT,
|
|
|
53 TOK_GE,
|
|
|
54 TOK_GT,
|
|
|
55 TOK_BAND,
|
|
|
56 TOK_BOR,
|
|
|
57 TOK_BNOT,
|
|
|
58 TOK_MOD,
|
|
|
59 TOK_COMMA,
|
|
|
60 TOK_ELLIPSIS,
|
|
|
61 TOK_QMARK,
|
|
|
62 TOK_COLON,
|
|
|
63 TOK_OBRACE,
|
|
|
64 TOK_CBRACE,
|
|
|
65 TOK_OSQUARE,
|
|
|
66 TOK_CSQUARE,
|
|
|
67 TOK_COM,
|
|
|
68 TOK_EOS,
|
|
|
69 TOK_HASH,
|
|
|
70 TOK_DBLHASH,
|
|
|
71 TOK_XOR,
|
|
|
72 TOK_XORASS,
|
|
|
73 TOK_STAR,
|
|
|
74 TOK_MULASS,
|
|
|
75 TOK_DIVASS,
|
|
|
76 TOK_ASS,
|
|
|
77 TOK_MODASS,
|
|
|
78 TOK_SUBASS,
|
|
|
79 TOK_DBLSUB,
|
|
|
80 TOK_ADDASS,
|
|
|
81 TOK_DBLADD,
|
|
|
82 TOK_BWAND,
|
|
|
83 TOK_BWANDASS,
|
|
|
84 TOK_BWOR,
|
|
|
85 TOK_BWORASS,
|
|
|
86 TOK_LSH,
|
|
|
87 TOK_LSHASS,
|
|
|
88 TOK_RSH,
|
|
|
89 TOK_RSHASS,
|
|
|
90 TOK_DOT,
|
|
|
91 TOK_CHR_LIT,
|
|
|
92 TOK_STR_LIT,
|
|
|
93 TOK_ARROW,
|
|
296
|
94 TOK_ENDEXPAND,
|
|
|
95 TOK_STARTEXPAND,
|
|
295
|
96 TOK_MAX
|
|
|
97 };
|
|
|
98
|
|
|
99 struct token
|
|
|
100 {
|
|
|
101 int ttype; // token type
|
|
|
102 char *strval; // the token value if relevant
|
|
|
103 struct token *prev; // previous token in a list
|
|
|
104 struct token *next; // next token in a list
|
|
|
105 int lineno; // line number token came from
|
|
|
106 int column; // character column token came from
|
|
|
107 const char *fn; // file name token came from
|
|
|
108 };
|
|
|
109
|
|
|
110 extern void token_free(struct token *);
|
|
|
111 extern struct token *token_create(int, char *strval, int, int, const char *);
|
|
|
112 extern struct token *token_dup(struct token *);
|
|
|
113 /* add a token to the end of a list */
|
|
|
114 extern void token_append(struct token *, struct token *);
|
|
|
115 /* add a token to the start of a list */
|
|
|
116 extern void token_prepend(struct token *, struct token *);
|
|
|
117 /* remove individual token from whatever list it is on */
|
|
|
118 extern void token_remove(struct token *);
|
|
|
119 /* replace token with list of tokens specified */
|
|
|
120 extern void token_replace(struct token *, struct token *);
|
|
|
121 /* print a token out */
|
|
|
122 extern void token_print(struct token *, FILE *);
|
|
|
123
|
|
|
124 #endif // token_h_seen___
|
