blob: d852c4c3a07a3a03f8bee82bbb0f4ee8ed33839c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
%defines
%{
# include <string>
# include "builder.h"
# include "build.tab.h"
void yyerror( YYLTYPE *locp, Builder &bld, char const *msg );
%}
%parse-param { Builder &bld }
%lex-param { Builder &bld }
%pure-parser
%locations
%debug
%error-verbose
%union {
char *strval;
int tval;
}
%token <strval> STRING "string literal"
%token <strval> REGEXP "regular expression"
%token <tval> TARGETTYPE "target type"
%token <strval> FUNCTION "function name"
%token TOK_ADDSET "+="
%token TOK_DEFAULT "default"
%token TOK_ACTION "action"
%token TOK_CHECK "check"
%token TOK_CLEAN "clean"
%token TOK_RULE "rule"
%token TOK_TARGET "target"
%token TOK_SET "set"
%token TOK_INPUT "input"
%token TOK_FILTER "filter"
%token TOK_PREFIX "prefix"
%token TOK_REQUIRES "requires"
%token TOK_MATCHES "matches"
%token TOK_PERFORM "perform"
%token TOK_PRODUCES "produces"
%token ',' ':' '='
%destructor { delete[] $$; } STRING
%%
// General input format
input:
| input rule
| input action
| input target
;
// Rule interpretation
rule: TOK_RULE STRING ':' rulecmds
;
rulecmds: rulecmd
| rulecmds ',' rulecmd
;
rulecmd: TOK_MATCHES REGEXP
| TOK_PRODUCES STRING
| TOK_REQUIRES list
| TOK_INPUT TOK_FILTER REGEXP
| TOK_INPUT TOK_FILTER func
| TOK_PERFORM func
;
// Action interpretation
action: TOK_DEFAULT TOK_ACTION ':' actioncmds
| STRING TOK_ACTION ':' actioncmds
;
actioncmds: actioncmd
| actioncmds ',' actioncmd
;
actioncmd: actioncmdtype list
;
actioncmdtype: TOK_CHECK
| TOK_CLEAN
;
// Target interpretation
target: list ':' targetcmds
;
targetcmds: targetcmd
| targetcmds ',' targetcmd
;
targetcmd: TOK_RULE STRING
| TOK_TARGET TOK_PREFIX STRING
| TOK_TARGET TARGETTYPE
| TOK_INPUT list
| TOK_REQUIRES list
;
// list goo
list: listitem listfilter
| '[' listitems ']' listfilter
;
listfilter:
| TOK_FILTER REGEXP
| TOK_FILTER func
;
listitems: listitem
| listitems ',' listitem
;
listitem: STRING
| func
;
// Function
func: FUNCTION '(' funcparams ')'
;
funcparams:
| STRING
| funcparams ',' STRING
;
%%
void yyerror( YYLTYPE *locp, Builder &bld, char const *msg )
{
bld.error( locp, msg );
}
|
