Merge lp:~tangent-org/libmemcached/1.0-build/ Build: jenkins-Libmemcached-187
[m6w6/libmemcached] / libmemcached / csl / scanner.l
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2012 Data Differential, http://datadifferential.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following disclaimer
16 * in the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
21 * written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37
38 %top{
39
40 #include <libmemcached/csl/common.h>
41 #include <libmemcached/csl/context.h>
42 #include <libmemcached/csl/parser.h>
43 #include <libmemcached/csl/symbol.h>
44
45 #ifndef __INTEL_COMPILER
46 #pragma GCC diagnostic ignored "-Wold-style-cast"
47 #pragma GCC diagnostic ignored "-Wsign-compare"
48 #pragma GCC diagnostic ignored "-Wunused-parameter"
49 #pragma GCC diagnostic ignored "-Wmissing-declarations"
50 #pragma GCC diagnostic ignored "-Wunused-result"
51 #pragma GCC diagnostic ignored "-Wmissing-noreturn"
52 #endif
53
54 #ifdef __clang__
55 #pragma GCC diagnostic ignored "-Wshorten-64-to-32"
56 #endif
57
58 #ifndef __INTEL_COMPILER
59 #ifndef __clang__
60 #pragma GCC diagnostic ignored "-Wlogical-op"
61 #endif
62 #endif
63
64 #define YY_EXTRA_TYPE Context*
65
66 }
67
68
69 %{
70 #define PARAM yyget_extra(yyscanner)
71
72 #define get_lex_chars(buffer, result, max_size, context) \
73 { \
74 if (context->pos >= context->length) \
75 { \
76 result= YY_NULL; \
77 } \
78 else \
79 { \
80 result= (int)(context->length - context->pos); \
81 (size_t)result > (size_t)max_size ? result= max_size : 0; \
82 memcpy(buffer, context->buf + context->pos, result); \
83 context->pos += result; \
84 } \
85 }
86
87 #define YY_FATAL_ERROR(msg) \
88 { \
89 }
90
91
92 #define YY_INPUT(buffer, result, max_size) get_lex_chars(buffer, result, max_size, PARAM)
93
94 %}
95
96 %option 8bit
97 %option bison-bridge
98 %option never-interactive
99 %option case-insensitive
100 %option noinput
101 %option nounput
102 %option noyywrap
103 %option outfile="libmemcached/csl/scanner.cc" header-file="libmemcached/csl/scanner.h"
104 %option perf-report
105 %option prefix="config_"
106 %option reentrant
107 %option warn
108
109 %%
110
111
112 =|,|[ ] { return yytext[0];}
113
114 [[:digit:]]+ { yylval->number= atoi(yytext); return (NUMBER); }
115
116 :[[:digit:]]{1,5} { yylval->number= atoi(yytext +1); return PORT; }
117
118 "/?"[[:digit:]]{1,5} { yylval->number= atoi(yytext +2); return WEIGHT_START; }
119
120 [\t\r\n] ; /* skip whitespace */
121
122
123 ^#.*$ {
124 return COMMENT;
125 }
126
127 "--SERVER=" { yyextra->begin= yytext; yyextra->set_server(); return yyextra->previous_token= SERVER; }
128
129 "--SOCKET=" { yyextra->begin= yytext; return yyextra->previous_token= CSL_SOCKET; }
130
131 "--BINARY-PROTOCOL" { yyextra->begin= yytext; return yyextra->previous_token= BINARY_PROTOCOL; }
132 "--BUFFER-REQUESTS" { yyextra->begin= yytext; return yyextra->previous_token= BUFFER_REQUESTS; }
133 "--CONFIGURE-FILE=" { yyextra->begin= yytext; return yyextra->previous_token= CONFIGURE_FILE; }
134 "--CONNECT-TIMEOUT=" { yyextra->begin= yytext; return yyextra->previous_token= CONNECT_TIMEOUT; }
135 "--DISTRIBUTION=" { yyextra->begin= yytext; return yyextra->previous_token= DISTRIBUTION; }
136 "--HASH-WITH-NAMESPACE" { yyextra->begin= yytext; return yyextra->previous_token= HASH_WITH_NAMESPACE; }
137 "--HASH=" { yyextra->begin= yytext; return yyextra->previous_token= HASH; }
138 "--IO-BYTES-WATERMARK=" { yyextra->begin= yytext; return yyextra->previous_token= IO_BYTES_WATERMARK; }
139 "--IO-KEY-PREFETCH=" { yyextra->begin= yytext; return yyextra->previous_token= IO_KEY_PREFETCH; }
140 "--IO-MSG-WATERMARK=" { yyextra->begin= yytext; return yyextra->previous_token= IO_MSG_WATERMARK; }
141 "--NOREPLY" { yyextra->begin= yytext; return yyextra->previous_token= NOREPLY; }
142 "--NUMBER-OF-REPLICAS=" { yyextra->begin= yytext; return yyextra->previous_token= NUMBER_OF_REPLICAS; }
143 "--POLL-TIMEOUT=" { yyextra->begin= yytext; return yyextra->previous_token= POLL_TIMEOUT; }
144 "--RANDOMIZE-REPLICA-READ" { yyextra->begin= yytext; return yyextra->previous_token= RANDOMIZE_REPLICA_READ; }
145 "--RCV-TIMEOUT=" { yyextra->begin= yytext; return yyextra->previous_token= RCV_TIMEOUT; }
146 "--REMOVE-FAILED-SERVERS=" { yyextra->begin= yytext; return yyextra->previous_token= REMOVE_FAILED_SERVERS; }
147 "--RETRY-TIMEOUT=" { yyextra->begin= yytext; return yyextra->previous_token= RETRY_TIMEOUT; }
148 "--SND-TIMEOUT=" { yyextra->begin= yytext; return yyextra->previous_token= SND_TIMEOUT; }
149 "--SOCKET-RECV-SIZE=" { yyextra->begin= yytext; return yyextra->previous_token= SOCKET_RECV_SIZE; }
150 "--SOCKET-SEND-SIZE=" { yyextra->begin= yytext; return yyextra->previous_token= SOCKET_SEND_SIZE; }
151 "--SORT-HOSTS" { yyextra->begin= yytext; return yyextra->previous_token= SORT_HOSTS; }
152 "--SUPPORT-CAS" { yyextra->begin= yytext; return yyextra->previous_token= SUPPORT_CAS; }
153 "--TCP-KEEPALIVE" { yyextra->begin= yytext; return yyextra->previous_token= _TCP_KEEPALIVE; }
154 "--TCP-KEEPIDLE" { yyextra->begin= yytext; return yyextra->previous_token= _TCP_KEEPIDLE; }
155 "--TCP-NODELAY" { yyextra->begin= yytext; return yyextra->previous_token= _TCP_NODELAY; }
156 "--USE-UDP" { yyextra->begin= yytext; return yyextra->previous_token= USE_UDP; }
157 "--USER-DATA" { yyextra->begin= yytext; return yyextra->previous_token= USER_DATA; }
158 "--VERIFY-KEY" { yyextra->begin= yytext; return yyextra->previous_token= VERIFY_KEY; }
159
160 "--POOL-MIN=" { yyextra->begin= yytext; return yyextra->previous_token= POOL_MIN; }
161 "--POOL-MAX=" { yyextra->begin= yytext; return yyextra->previous_token= POOL_MAX; }
162
163 "--NAMESPACE=" { yyextra->begin= yytext; return yyextra->previous_token= NAMESPACE; }
164
165 "--FETCH-VERSION" { yyextra->begin= yytext; return yyextra->previous_token= FETCH_VERSION; }
166
167 INCLUDE { yyextra->begin= yytext; return yyextra->previous_token= INCLUDE; }
168 RESET { yyextra->begin= yytext; return yyextra->previous_token= RESET; }
169 DEBUG { yyextra->begin= yytext; return yyextra->previous_token= PARSER_DEBUG; }
170 SERVERS { yyextra->begin= yytext; return yyextra->previous_token= SERVERS; }
171 END { yyextra->begin= yytext; return yyextra->previous_token= END; }
172 CSL_ERROR { yyextra->begin= yytext; return yyextra->previous_token= CSL_ERROR; }
173
174 TRUE { return yyextra->previous_token= CSL_TRUE; }
175 FALSE { return yyextra->previous_token= CSL_FALSE; }
176
177
178 "--"[[:alnum:]]* {
179 yyextra->begin= yytext;
180 return UNKNOWN_OPTION;
181 }
182
183 CONSISTENT { return CONSISTENT; }
184 MODULA { return MODULA; }
185 RANDOM { return RANDOM; }
186
187 MD5 { return MD5; }
188 CRC { return CRC; }
189 FNV1_64 { return FNV1_64; }
190 FNV1A_64 { return FNV1A_64; }
191 FNV1_32 { return FNV1_32; }
192 FNV1A_32 { return FNV1A_32; }
193 HSIEH { return HSIEH; }
194 MURMUR { return MURMUR; }
195 JENKINS { return JENKINS; }
196
197 (([[:digit:]]{1,3}"."){3}([[:digit:]]{1,3})) {
198 yyextra->hostname(yytext, yyleng, yylval->server);
199 return IPADDRESS;
200 }
201
202 [[:alnum:]]["."[:alnum:]_-]+[[:alnum:]] {
203 if (yyextra->is_server())
204 {
205 yyextra->hostname(yytext, yyleng, yylval->server);
206
207 return HOSTNAME;
208 }
209
210 yyextra->string_buffer(yytext, yyleng, yylval->string);
211
212 return STRING;
213 }
214
215 L?\"(\\.|[^\\"])*\" {
216 yyget_text(yyscanner)[yyleng -1]= 0;
217 yyextra->string_buffer(yytext +1, yyleng -2, yylval->string);
218 return QUOTED_STRING;
219 }
220
221 . {
222 yyextra->begin= yytext;
223 return UNKNOWN;
224 }
225
226 %%
227
228 void Context::init_scanner()
229 {
230 yylex_init(&scanner);
231 yyset_extra(this, scanner);
232 }
233
234 void Context::destroy_scanner()
235 {
236 (void)yy_fatal_error; // Removes warning about unused yy_fatal_error()
237 yylex_destroy(scanner);
238 }
239