git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/options/parser.yy

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached Scanner and Parser
   4  *
   5  *  Copyright (C) 2011 DataDifferental, http://datadifferential.com
   6  *
   7  *  This program is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU Affero General Public License as
   9  *  published by the Free Software Foundation, either version 3 of the
  10  *  License, or (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU Affero General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU Affero General Public License
  18  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 %{
  22
  23 #include <stdint.h>
  24 #include <iostream>
  25
  26 #include <libmemcached/options/type.h>
  27 #include <libmemcached/options/string.h>
  28 #include <libmemcached/options/symbol.h>
  29
  30 #pragma GCC diagnostic ignored "-Wold-style-cast"
  31 #include <libmemcached/options/scanner.h>
  32
  33 inline int libmemcached_error(YYLTYPE *locp, type_st *parser, yyscan_t *scanner, const char *str)
  34 {
  35 #if 0
  36   std::cerr << str << std::endl;
  37 #endif
  38   return 0;
  39 }
  40
  41
  42 %}
  43
  44 %error-verbose
  45 %debug
  46 %defines
  47 %expect 0
  48 %output "libmemcached/options/parser.cc"
  49 %defines "libmemcached/options/parser.h"
  50 %lex-param { yyscan_t *scanner }
  51 %name-prefix="libmemcached_"
  52 %parse-param { type_st *parser }
  53 %parse-param { yyscan_t *scanner }
  54 %locations
  55 %pure-parser
  56 %require "2.2"
  57 %start statement
  58 %verbose
  59
  60 %token SERVER
  61 %token SERVERS
  62 %token UNKNOWN
  63
  64 %token DASH_OPTION
  65
  66 /* All behavior options */
  67 %token AUTO_EJECT_HOSTS
  68 %token BINARY_PROTOCOL
  69 %token BUFFER_REQUESTS
  70 %token CACHE_LOOKUPS
  71 %token CONNECT_TIMEOUT
  72 %token _CORK
  73 %token DISTRIBUTION
  74 %token HASH
  75 %token HASH_WITH_PREFIX_KEY
  76 %token IO_BYTES_WATERMARK
  77 %token IO_KEY_PREFETCH
  78 %token IO_MSG_WATERMARK
  79 %token KETAMA
  80 %token KETAMA_HASH
  81 %token KETAMA_WEIGHTED
  82 %token NOREPLY
  83 %token NUMBER_OF_REPLICAS
  84 %token POLL_TIMEOUT
  85 %token RANDOMIZE_REPLICA_READ
  86 %token RCV_TIMEOUT
  87 %token RETRY_TIMEOUT
  88 %token SERVER_FAILURE_LIMIT
  89 %token SND_TIMEOUT
  90 %token SOCKET_RECV_SIZE
  91 %token SOCKET_SEND_SIZE
  92 %token SORT_HOSTS
  93 %token SUPPORT_CAS
  94 %token _TCP_NODELAY
  95 %token _TCP_KEEPALIVE
  96 %token _TCP_KEEPIDLE
  97 %token USER_DATA
  98 %token USE_UDP
  99 %token VERIFY_KEY
 100
 101 /* Hash types */
 102 %token MD5
 103 %token CRC
 104 %token FNV1_64
 105 %token FNV1A_64
 106 %token FNV1_32
 107 %token FNV1A_32
 108 %token HSIEH
 109 %token MURMUR
 110 %token JENKINS
 111
 112 /* Distributions */
 113 %token CONSISTENT
 114 %token MODULA
 115 %token RANDOM
 116
 117 %nonassoc ','
 118 %nonassoc '='
 119
 120 %token <number> NUMBER
 121 %token <number> FLOAT
 122 %token <string> IDENTIFIER
 123 %token <string> SERVER_WITH_PORT
 124 %token <string> IPADDRESS
 125 %token <string> IPADDRESS_WITH_PORT
 126
 127 %type <server> server
 128 %type <distribution> distribution
 129 %type <hash> hash
 130
 131 %%
 132
 133 statement:
 134          DASH_OPTION expression
 135           { }
 136         | statement ' ' DASH_OPTION expression
 137           { }
 138         ;
 139
 140
 141 expression:
 142           SERVER '=' server
 143           {
 144             (void) memcached_server_add_parsed(parser->memc, $3.c_str, $3.length, $3.port, 0);
 145           }
 146         | SERVERS '=' server_list
 147           {
 148           }
 149         | behaviors
 150         ;
 151
 152 behaviors:
 153           AUTO_EJECT_HOSTS
 154           {
 155             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS, 1);
 156           }
 157         | BINARY_PROTOCOL
 158           {
 159             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, 1);
 160           }
 161         | BUFFER_REQUESTS
 162           {
 163             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, 1);
 164           }
 165         | CACHE_LOOKUPS
 166           {
 167             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_CACHE_LOOKUPS, 1);
 168           }
 169         | CONNECT_TIMEOUT '=' NUMBER
 170           {
 171             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT, $3);
 172           }
 173         | _CORK
 174           {
 175             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_CORK, 1);
 176           }
 177         | DISTRIBUTION '=' distribution
 178           {
 179             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3);
 180           }
 181         | HASH '=' hash
 182           {
 183             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3);
 184           }
 185         | HASH_WITH_PREFIX_KEY
 186           {
 187             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY, 1);
 188           }
 189         | IO_BYTES_WATERMARK '=' NUMBER
 190           {
 191             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK, $3);
 192           }
 193         | IO_KEY_PREFETCH '=' NUMBER
 194           {
 195             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH, $3);
 196           }
 197         | IO_MSG_WATERMARK '=' NUMBER
 198           {
 199             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK, $3);
 200           }
 201         | KETAMA
 202           {
 203             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_KETAMA, true);
 204           }
 205         | KETAMA_HASH
 206           {
 207           }
 208         | KETAMA_WEIGHTED
 209           {
 210             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED, true);
 211           }
 212         | NOREPLY
 213           {
 214             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_NOREPLY, 1);
 215           }
 216         | NUMBER_OF_REPLICAS '=' NUMBER
 217           {
 218             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS, $3);
 219           }
 220         | POLL_TIMEOUT '=' NUMBER
 221           {
 222             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_POLL_TIMEOUT, $3);
 223           }
 224         |  RANDOMIZE_REPLICA_READ
 225           {
 226             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ, true);
 227           }
 228         |  RCV_TIMEOUT '=' NUMBER
 229           {
 230             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_RCV_TIMEOUT, $3);
 231           }
 232         |  RETRY_TIMEOUT '=' NUMBER
 233           {
 234             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_RETRY_TIMEOUT, $3);
 235           }
 236         |  SERVER_FAILURE_LIMIT '=' NUMBER
 237           {
 238             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT, $3);
 239           }
 240         |  SND_TIMEOUT '=' NUMBER
 241           {
 242             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_SND_TIMEOUT, $3);
 243           }
 244         |  SOCKET_RECV_SIZE '=' NUMBER
 245           {
 246             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE, $3);
 247           }
 248         |  SOCKET_SEND_SIZE '=' NUMBER
 249           {
 250             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE, $3);
 251           }
 252         |  SORT_HOSTS
 253           {
 254             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_SORT_HOSTS, true);
 255           }
 256         |  SUPPORT_CAS
 257           {
 258             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_SUPPORT_CAS, true);
 259           }
 260         |  _TCP_NODELAY
 261           {
 262             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, true);
 263           }
 264         |  _TCP_KEEPALIVE
 265           {
 266             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_TCP_KEEPALIVE, true);
 267           }
 268         |  _TCP_KEEPIDLE
 269           {
 270             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_TCP_KEEPIDLE, true);
 271           }
 272         |  USER_DATA
 273           {
 274           }
 275         |  USE_UDP
 276           {
 277             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_USE_UDP, true);
 278           }
 279         |  VERIFY_KEY
 280           {
 281             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_VERIFY_KEY, true);
 282           }
 283         ;
 284
 285 server_list:
 286            server
 287           {
 288             (void) memcached_server_add_parsed(parser->memc, $1.c_str, $1.length, $1.port, 0);
 289           }
 290         | server_list ',' server
 291           {
 292             (void) memcached_server_add_parsed(parser->memc, $3.c_str, $3.length, $3.port, 0);
 293           }
 294         ;
 295
 296 server:
 297           SERVER_WITH_PORT NUMBER
 298           {
 299             $$.c_str= $1.c_str;
 300             $$.length= $1.length -1;
 301             $$.port= $2;
 302           }
 303         | IDENTIFIER
 304           {
 305             $$.c_str= $1.c_str;
 306             $$.length= $1.length;
 307             $$.port= MEMCACHED_DEFAULT_PORT;
 308           }
 309         | IPADDRESS_WITH_PORT NUMBER
 310           {
 311             $$.c_str= $1.c_str;
 312             $$.length= $1.length -1;
 313             $$.port= $2;
 314           }
 315         | IPADDRESS
 316           {
 317             $$.c_str= $1.c_str;
 318             $$.length= $1.length;
 319             $$.port= MEMCACHED_DEFAULT_PORT;
 320           }
 321         ;
 322
 323 hash:
 324           MD5
 325           {
 326             $$= MEMCACHED_HASH_MD5;
 327           }
 328         | CRC
 329           {
 330             $$= MEMCACHED_HASH_CRC;
 331           }
 332         | FNV1_64
 333           {
 334             $$= MEMCACHED_HASH_FNV1_64;
 335           }
 336         | FNV1A_64
 337           {
 338             $$= MEMCACHED_HASH_FNV1A_64;
 339           }
 340         | FNV1_32
 341           {
 342             $$= MEMCACHED_HASH_FNV1_32;
 343           }
 344         | FNV1A_32
 345           {
 346             $$= MEMCACHED_HASH_FNV1A_32;
 347           }
 348         | HSIEH
 349           {
 350             $$= MEMCACHED_HASH_HSIEH;
 351           }
 352         | MURMUR
 353           {
 354             $$= MEMCACHED_HASH_MURMUR;
 355           }
 356         | JENKINS
 357           {
 358             $$= MEMCACHED_HASH_JENKINS;
 359           }
 360         ;
 361
 362 distribution:
 363           CONSISTENT
 364           {
 365             $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
 366           }
 367         | MODULA
 368           {
 369             $$= MEMCACHED_DISTRIBUTION_MODULA;
 370           }
 371         | RANDOM
 372           {
 373             $$= MEMCACHED_DISTRIBUTION_RANDOM;
 374           }
 375         ;