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f9a691ef MT |
1 | /*############################################################################# |
2 | # # | |
3 | # Pakfire - The IPFire package management system # | |
4 | # Copyright (C) 2019 Pakfire development team # | |
5 | # # | |
6 | # This program is free software: you can redistribute it and/or modify # | |
7 | # it under the terms of the GNU General Public License as published by # | |
8 | # the Free Software Foundation, either version 3 of the License, or # | |
9 | # (at your option) any later version. # | |
10 | # # | |
11 | # This program is distributed in the hope that it will be useful, # | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
14 | # GNU General Public License for more details. # | |
15 | # # | |
16 | # You should have received a copy of the GNU General Public License # | |
17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
18 | # # | |
19 | #############################################################################*/ | |
20 | ||
21 | %option nounput noinput noyywrap yylineno | |
22 | ||
23 | %{ | |
24 | #define YY_DECL int yylex() | |
25 | ||
6ab14b96 MT |
26 | int num_lines; |
27 | ||
f9a691ef MT |
28 | #include "grammar.h" |
29 | %} | |
30 | ||
47d439d9 MT |
31 | digit [0-9] |
32 | letter [A-Za-z] | |
33 | underscore _ | |
34 | variable {letter}({digit}|{letter}|{underscore})+ | |
3fc5316c MT |
35 | whitespace ([ \t])+ |
36 | ||
f9a691ef MT |
37 | %% |
38 | ||
9a5b37fa | 39 | #.*$ { /* ignore comments */ } |
47d439d9 | 40 | {whitespace} { return WHITESPACE; } |
f9a691ef | 41 | \t { return TAB; } |
4e291b81 | 42 | \n { num_lines++; return NEWLINE; } |
f9a691ef | 43 | |
073c141f MT |
44 | "define" { return DEFINE; } |
45 | "def" { return DEFINE; } | |
46 | "end" { return END; } | |
47 | ||
47d439d9 | 48 | {variable} { return VARIABLE; } |
f9a691ef MT |
49 | [A-Za-z0-9] { return VALUE; } |
50 | ||
51 | "=" { return ASSIGN; } | |
52 | "+=" { return APPEND; } | |
53 | ||
f9a691ef | 54 | %% |