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10f88819 SL |
1 | %{ |
2 | #ifndef lint | |
cd08f4dd | 3 | static char sccsid[] = "@(#)parse.y 4.2 (Berkeley) %G%"; |
10f88819 SL |
4 | #endif |
5 | ||
6 | #include "htable.h" | |
7 | %} | |
8 | ||
9 | %union { | |
10 | int number; | |
11 | struct addr *addrlist; | |
12 | struct name *namelist; | |
13 | } | |
14 | %start Table | |
15 | ||
16 | %token END | |
17 | %token <number> NUMBER KEYWORD | |
18 | %token <namelist> NAME | |
19 | ||
20 | %type <namelist> Names Cputype Opsys Protos Proto | |
21 | %type <addrlist> Addresses Address | |
22 | %% | |
23 | Table : Entry | |
24 | | Table Entry | |
25 | ; | |
26 | ||
27 | Entry : KEYWORD ':' Addresses ':' Names ':' END | |
28 | = { | |
29 | do_entry($1, $3, $5, NONAME, NONAME, NONAME); | |
30 | } | |
31 | | KEYWORD ':' Addresses ':' Names ':' Cputype ':' END | |
32 | = { | |
33 | do_entry($1, $3, $5, $7, NONAME, NONAME); | |
34 | } | |
35 | | KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' END | |
36 | = { | |
37 | do_entry($1, $3, $5, $7, $9, NONAME); | |
38 | } | |
39 | | KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' ':' END | |
40 | = { | |
41 | do_entry($1, $3, $5, $7, $9, NONAME); | |
42 | } | |
43 | | KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' Protos ':' END | |
44 | = { | |
45 | do_entry($1, $3, $5, $7, $9, $11); | |
46 | } | |
47 | | error END | |
48 | | END /* blank line */ | |
49 | ; | |
50 | ||
51 | Addresses: Address | |
52 | = { | |
53 | $$ = $1; | |
54 | } | |
55 | | Address ',' Addresses | |
56 | = { | |
57 | $1->addr_link = $3; | |
58 | $$ = $1; | |
59 | } | |
60 | ; | |
61 | ||
62 | Address : NUMBER '.' NUMBER '.' NUMBER '.' NUMBER | |
63 | = { | |
cd08f4dd SL |
64 | char *a; |
65 | ||
66 | $$ = (struct addr *)malloc(sizeof (struct addr)); | |
67 | a = (char *)&($$->addr_val); | |
68 | a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7; | |
10f88819 SL |
69 | $$->addr_link = NOADDR; |
70 | } | |
71 | ; | |
72 | ||
73 | Names : NAME | |
74 | = { | |
75 | $$ = $1; | |
76 | } | |
77 | | NAME ',' Names | |
78 | = { | |
79 | $1->name_link = $3; | |
80 | $$ = $1; | |
81 | } | |
82 | ; | |
83 | ||
84 | Cputype : /* empty */ | |
85 | = { | |
86 | $$ = NONAME; | |
87 | } | |
88 | | NAME | |
89 | = { | |
90 | $$ = $1; | |
91 | } | |
92 | ; | |
93 | ||
94 | Opsys : /* empty */ | |
95 | = { | |
96 | $$ = NONAME; | |
97 | } | |
98 | | NAME | |
99 | = { | |
100 | $$ = $1; | |
101 | } | |
102 | ; | |
103 | ||
104 | Protos : Proto | |
105 | = { | |
106 | $$ = $1; | |
107 | } | |
108 | | Proto ',' Protos | |
109 | = { | |
110 | $1->name_link = $3; | |
111 | $$ = $1; | |
112 | } | |
113 | ; | |
114 | ||
115 | Proto : NAME | |
116 | = { | |
117 | $$ = $1; | |
118 | } | |
119 | ; | |
120 | %% | |
121 | ||
122 | #include <stdio.h> | |
123 | ||
124 | extern int yylineno; | |
125 | ||
126 | yyerror(msg) | |
127 | char *msg; | |
128 | { | |
129 | fprintf(stderr, "\"%s\", line %d: %s\n", infile, yylineno, msg); | |
130 | } |