1 /* -*- mode: fundamental; indent-tabs-mode: t; -*- */
2 %{
3 
4 /*
5  * Copyright (c) 2020 Omar Polo <op@omarpolo.com>
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <stdio.h>
21 
22 #include "star-platinum.h"
23 
24 /*
25  * #define YYDEBUG 1
26  * int yydebug = 1;
27  */
28 
29 #define SPECIAL(X) ((struct action){.type = (ASPECIAL), .special = (X) })
30 #define FAKE_KEY(K) ((struct action){.type = (AFAKE), .send_key = (K) })
31 
32 %}
33  
34 %union {
35 	struct key key;
36 	char *str;
37 	struct action action;
38 	struct match *match;
39 	struct rule *rule;
40 	struct group *group;
41 }
42 
43 %token TMATCH TCLASS
44 %token TON TDO
45 %token TTOGGLE TACTIVATE TDEACTIVATE TIGNORE
46 %token TERR
47 
48 %token <key>	TKEY
49 %token <str>	TSTRING
50 
51 %type <action>	action
52 %type <match>	matches match
53 %type <rule>	keys key
54 %type <group>	groups group
55 
56 %%
57 
58 groups		: /* empty */		{ $$ = NULL; }
59 		| groups group		{ $2->next = $1; config = $$ = $2; }
60 		| error '\n'
61 		;
62 
63 group		: matches keys		{ $$ = new_group($1, $2); }
64 		;
65 
66 matches		: /* empty */		{ $$ = NULL; }
67 		| matches '\n'		{ $$ = $1; }
68 		| matches match '\n'	{ $2->next = $1; $$ = $2; }
69 		;
70 
71 match		: TMATCH '*'		{ $$ = new_match(MANY, NULL); }
72 		| TMATCH TCLASS TSTRING { $$ = new_match(MCLASS, $3); }
73 		;
74 
75 keys		: /* empty */		{ $$ = NULL; }
76 		| keys '\n'		{ $$ = $1; }
77 		| keys key '\n'		{ $2->next = $1; $$ = $2; }
78 		;
79 
80 key		: TON TKEY TDO action	{ $$ = new_rule($2, $4); }
81 		;
82 
83 action		: TKEY			{ $$ = FAKE_KEY($1); }
84 		| TTOGGLE		{ $$ = SPECIAL(ATOGGLE); }
85 		| TACTIVATE		{ $$ = SPECIAL(AACTIVATE); }
86 		| TDEACTIVATE		{ $$ = SPECIAL(ADEACTIVATE); }
87 		| TIGNORE		{ $$ = SPECIAL(AIGNORE); }
88 		;