Commit | Line | Data |
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05f3ae13 C |
1 | %{ |
2 | #include <stdio.h> | |
3 | #include <stdlib.h> | |
4 | char *str_concat(), *ds(), *quote(); | |
5 | char *current_token = (char *)NULL; | |
6 | extern char *table_name; | |
7 | %} | |
8 | %union { | |
9 | char *dynstr; | |
10 | } | |
11 | ||
12 | %token ERROR_TABLE ERROR_CODE_ENTRY END | |
13 | %token <dynstr> STRING QUOTED_STRING | |
14 | %type <dynstr> ec_name description table_id | |
15 | %{ | |
16 | %} | |
17 | %start error_table | |
18 | %% | |
19 | ||
20 | error_table : ERROR_TABLE table_id error_codes END | |
21 | { table_name = ds($2); | |
22 | current_token = table_name; | |
23 | put_ecs(); } | |
24 | ; | |
25 | ||
26 | table_id : STRING | |
27 | { current_token = $1; | |
28 | set_table_num($1); | |
29 | $$ = $1; } | |
30 | ; | |
31 | ||
32 | error_codes : error_codes ec_entry | |
33 | | ec_entry | |
34 | ; | |
35 | ||
36 | ec_entry : ERROR_CODE_ENTRY ec_name ',' description | |
37 | { add_ec($2, $4); | |
38 | free($2); | |
39 | free($4); } | |
40 | | ERROR_CODE_ENTRY ec_name '=' STRING ',' description | |
41 | { add_ec_val($2, $4, $6); | |
42 | free($2); | |
43 | free($4); | |
44 | free($6); | |
45 | } | |
46 | ; | |
47 | ||
48 | ec_name : STRING | |
49 | { $$ = ds($1); | |
50 | current_token = $$; } | |
51 | ; | |
52 | ||
53 | description : QUOTED_STRING | |
54 | { $$ = ds($1); | |
55 | current_token = $$; } | |
56 | ; | |
57 | ||
58 | %% | |
59 | /* | |
60 | * | |
61 | * Copyright 1986, 1987 by the MIT Student Information Processing Board | |
62 | * | |
63 | * For copyright info, see mit-sipb-copyright.h. | |
64 | */ | |
65 | ||
66 | #include <strings.h> | |
67 | #include <ctype.h> | |
68 | #include <sys/types.h> | |
69 | #include <sys/time.h> | |
70 | #include "error_table.h" | |
71 | #include "mit-sipb-copyright.h" | |
72 | ||
73 | extern FILE *hfile, *cfile; | |
74 | ||
75 | static long gensym_n = 0; | |
76 | char * | |
77 | gensym(x) | |
78 | char *x; | |
79 | { | |
80 | char *symbol; | |
81 | if (!gensym_n) { | |
82 | struct timeval tv; | |
83 | struct timezone tzp; | |
84 | gettimeofday(&tv, &tzp); | |
85 | gensym_n = (tv.tv_sec%10000)*100 + tv.tv_usec/10000; | |
86 | } | |
87 | symbol = malloc(32 * sizeof(char)); | |
88 | gensym_n++; | |
89 | sprintf(symbol, "et%ld", gensym_n); | |
90 | return(symbol); | |
91 | } | |
92 | ||
93 | char * | |
94 | ds(string) | |
95 | char *string; | |
96 | { | |
97 | char *rv; | |
98 | rv = malloc(strlen(string)+1); | |
99 | strcpy(rv, string); | |
100 | return(rv); | |
101 | } | |
102 | ||
103 | char * | |
104 | quote(string) | |
105 | char *string; | |
106 | { | |
107 | char *rv; | |
108 | rv = malloc(strlen(string)+3); | |
109 | strcpy(rv, "\""); | |
110 | strcat(rv, string); | |
111 | strcat(rv, "\""); | |
112 | return(rv); | |
113 | } | |
114 | ||
115 | int table_number; | |
116 | int current = 0; | |
117 | char **error_codes = (char **)NULL; | |
118 | ||
119 | add_ec(name, description) | |
120 | char *name, *description; | |
121 | { | |
122 | fprintf(cfile, "\t\"%s\",\n", description); | |
123 | if (error_codes == (char **)NULL) { | |
124 | error_codes = (char **)malloc(sizeof(char *)); | |
125 | *error_codes = (char *)NULL; | |
126 | } | |
127 | error_codes = (char **)realloc((char *)error_codes, | |
128 | (current + 2)*sizeof(char *)); | |
129 | error_codes[current++] = ds(name); | |
130 | error_codes[current] = (char *)NULL; | |
131 | } | |
132 | ||
133 | add_ec_val(name, val, description) | |
134 | char *name, *val, *description; | |
135 | { | |
136 | int ncurrent = atoi(val); | |
137 | if (ncurrent < current) { | |
138 | printf("Error code %s (%d) out of order", name, | |
139 | current); | |
140 | return; | |
141 | } | |
142 | ||
143 | while (ncurrent > current) | |
144 | fputs("\t(char *)NULL,\n", cfile), current++; | |
145 | ||
146 | fprintf(cfile, "\t\"%s\",\n", description); | |
147 | if (error_codes == (char **)NULL) { | |
148 | error_codes = (char **)malloc(sizeof(char *)); | |
149 | *error_codes = (char *)NULL; | |
150 | } | |
151 | error_codes = (char **)realloc((char *)error_codes, | |
152 | (current + 2)*sizeof(char *)); | |
153 | error_codes[current++] = ds(name); | |
154 | error_codes[current] = (char *)NULL; | |
155 | } | |
156 | ||
157 | put_ecs() | |
158 | { | |
159 | int i; | |
160 | for (i = 0; i < current; i++) { | |
161 | if (error_codes[i] != (char *)NULL) | |
162 | fprintf(hfile, "#define %-40s ((%s)%d)\n", | |
163 | error_codes[i], ERROR_CODE, table_number + i); | |
164 | } | |
165 | } | |
166 | ||
167 | /* | |
168 | * char_to_num -- maps letters and numbers into a small numbering space | |
169 | * uppercase -> 1-26 | |
170 | * lowercase -> 27-52 | |
171 | * digits -> 53-62 | |
172 | * underscore-> 63 | |
173 | */ | |
174 | int | |
175 | char_to_num(c) | |
176 | char c; | |
177 | { | |
178 | if (isupper(c)) | |
179 | return(c-'A'+1); | |
180 | else if (islower(c)) | |
181 | return(c-'a'+27); | |
182 | else if (isdigit(c)) | |
183 | return(c-'0'+53); | |
184 | else { | |
185 | fprintf(stderr, "Illegal character in name: %c\n", c); | |
186 | exit(1); | |
187 | /*NOTREACHED*/ | |
188 | } | |
189 | } | |
190 | ||
191 | set_table_num(string) | |
192 | char *string; | |
193 | { | |
194 | if (strlen(string) > 4) { | |
195 | fprintf(stderr, "Table name %s too long, truncated ", | |
196 | string); | |
197 | string[4] = '\0'; | |
198 | fprintf(stderr, "to %s\n", string); | |
199 | } | |
200 | while (*string != '\0') { | |
201 | table_number = (table_number << BITS_PER_CHAR) | |
202 | + char_to_num(*string); | |
203 | string++; | |
204 | } | |
205 | table_number = table_number << ERRCODE_RANGE; | |
206 | } | |
207 | ||
208 | #include "et_lex.lex.c" |