git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/options/scanner.l

   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 %top{
  22
  23 #pragma GCC diagnostic ignored "-Wold-style-cast"
  24 #pragma GCC diagnostic ignored "-Wunused-parameter"
  25 #pragma GCC diagnostic ignored "-fpermissive"
  26
  27 #include <libmemcached/options/parser.h>
  28 #include <libmemcached/options/string.h>
  29 #include <libmemcached/options/symbol.h>
  30 #include <libmemcached/options/type.h>
  31
  32 }
  33
  34
  35 %{
  36 #include <cstdlib>
  37 #include <cstring>
  38
  39 #define PARAM yyget_extra(yyscanner)
  40
  41 static void get_lex_chars(char* buffer, int& result, int max_size, struct type_st *parser)
  42 {
  43   if (parser->pos >= parser->length)
  44   {
  45     result = YY_NULL;
  46   }
  47   else
  48   {
  49     result = parser->length - parser->pos;
  50     result > (int)max_size ? result = max_size : 0;
  51     memcpy(buffer, parser->buf + parser->pos, result);
  52     parser->pos += result;
  53   }
  54 }
  55
  56
  57 #define YY_INPUT(buffer, result, max_size) get_lex_chars(buffer, result, max_size, PARAM)
  58
  59 %}
  60
  61 %option bison-locations
  62 %option bison-bridge
  63 %option case-insensitive
  64 %option debug
  65 %option nounput
  66 %option noyywrap
  67 %option outfile="libmemcached/options/scanner.cc" header-file="libmemcached/options/scanner.h"
  68 %option perf-report
  69 %option prefix="libmemcached_"
  70 %option reentrant
  71
  72 %%
  73
  74
  75 =|,|[ ]       { return yytext[0];}
  76
  77
  78 [[:digit:]]+ { yylval->number = atoi(yytext); return (NUMBER); }
  79
  80 ([[:digit:]]*.[:digit:]+) { yylval->double_number = atof(yytext); return (FLOAT); }
  81
  82 [\t\r\n] ; /* skip whitespace */
  83
  84 ^#.*$ {
  85       return COMMENT;
  86     }
  87
  88 "--" { return DASH_OPTION; }
  89
  90 SERVER                          { return SERVER; }
  91 SERVERS                         { return SERVERS; }
  92
  93 VERIFY_KEY                      { return VERIFY_KEY; }
  94 VERIFY-KEY                      { return VERIFY_KEY; }
  95 AUTO_EJECT_HOSTS                { return AUTO_EJECT_HOSTS; }
  96 AUTO-EJECT_HOSTS                { return AUTO_EJECT_HOSTS; }
  97 BINARY_PROTOCOL                 { return BINARY_PROTOCOL; }
  98 BINARY-PROTOCOL                 { return BINARY_PROTOCOL; }
  99 BUFFER_REQUESTS                 { return BUFFER_REQUESTS; }
 100 BUFFER-REQUESTS                 { return BUFFER_REQUESTS; }
 101 CACHE_LOOKUPS                   { return CACHE_LOOKUPS; }
 102 CACHE-LOOKUPS                   { return CACHE_LOOKUPS; }
 103 CONFIGURE_FILE                  { return CONFIGURE_FILE; }
 104 CONFIGURE-FILE                  { return CONFIGURE_FILE; }
 105 CONNECT_TIMEOUT                 { return CONNECT_TIMEOUT; }
 106 CONNECT-TIMEOUT                 { return CONNECT_TIMEOUT; }
 107 CORK                            { return _CORK; }
 108 DISTRIBUTION                    { return DISTRIBUTION; }
 109 HASH                            { return HASH; }
 110 HASH_WITH_PREFIX_KEY            { return HASH_WITH_PREFIX_KEY; }
 111 HASH-WITH-PREFIX_KEY            { return HASH_WITH_PREFIX_KEY; }
 112 IO_BYTES_WATERMARK              { return IO_BYTES_WATERMARK; }
 113 IO-BYTES-WATERMARK              { return IO_BYTES_WATERMARK; }
 114 IO_KEY_PREFETCH                 { return IO_KEY_PREFETCH; }
 115 IO-KEY-PREFETCH                 { return IO_KEY_PREFETCH; }
 116 IO_MSG_WATERMARK                { return IO_MSG_WATERMARK; }
 117 IO-MSG-WATERMARK                { return IO_MSG_WATERMARK; }
 118 KETAMA                          { return KETAMA; }
 119 KETAMA_HASH                     { return KETAMA_HASH; }
 120 KETAMA-HASH                     { return KETAMA_HASH; }
 121 KETAMA_WEIGHTED                 { return KETAMA_WEIGHTED; }
 122 KETAMA-WEIGHTED                 { return KETAMA_WEIGHTED; }
 123 NOREPLY                         { return NOREPLY; }
 124 NUMBER_OF_REPLICAS              { return NUMBER_OF_REPLICAS; }
 125 NUMBER-OF-REPLICAS              { return NUMBER_OF_REPLICAS; }
 126 POLL_TIMEOUT                    { return POLL_TIMEOUT; }
 127 POLL-TIMEOUT                    { return POLL_TIMEOUT; }
 128 RANDOMIZE_REPLICA_READ          { return RANDOMIZE_REPLICA_READ; }
 129 RANDOMIZE-REPLICA-READ          { return RANDOMIZE_REPLICA_READ; }
 130 RCV_TIMEOUT                     { return RCV_TIMEOUT; }
 131 RCV-TIMEOUT                     { return RCV_TIMEOUT; }
 132 RETRY_TIMEOUT                   { return RETRY_TIMEOUT; }
 133 RETRY-TIMEOUT                   { return RETRY_TIMEOUT; }
 134 SERVER_FAILURE_LIMIT            { return SERVER_FAILURE_LIMIT; }
 135 SERVER-FAILURE-LIMIT            { return SERVER_FAILURE_LIMIT; }
 136 SND_TIMEOUT                     { return SND_TIMEOUT; }
 137 SND-TIMEOUT                     { return SND_TIMEOUT; }
 138 SOCKET_RECV_SIZE                { return SOCKET_RECV_SIZE; }
 139 SOCKET-RECV-SIZE                { return SOCKET_RECV_SIZE; }
 140 SOCKET_SEND_SIZE                { return SOCKET_SEND_SIZE; }
 141 SOCKET-SEND-SIZE                { return SOCKET_SEND_SIZE; }
 142 SORT_HOSTS                      { return SORT_HOSTS; }
 143 SORT-HOSTS                      { return SORT_HOSTS; }
 144 SUPPORT_CAS                     { return SUPPORT_CAS; }
 145 SUPPORT-CAS                     { return SUPPORT_CAS; }
 146 TCP_NODELAY                     { return _TCP_NODELAY; }
 147 TCP-NODELAY                     { return _TCP_NODELAY; }
 148 TCP_KEEPALIVE                   { return _TCP_KEEPALIVE; }
 149 TCP-KEEPALIVE                   { return _TCP_KEEPALIVE; }
 150 TCP_KEEPIDLE                    { return _TCP_KEEPIDLE; }
 151 TCP-KEEPIDLE                    { return _TCP_KEEPIDLE; }
 152 USER_DATA                       { return USER_DATA; }
 153 USER-DATA                       { return USER_DATA; }
 154 USE_UDP                         { return USE_UDP; }
 155 USE-UDP                         { return USE_UDP; }
 156
 157 PREFIX-KEY                              { return PREFIX_KEY; }
 158 PREFIX_KEY                              { return PREFIX_KEY; }
 159
 160 CONSISTENT      { return CONSISTENT; }
 161 MODULA          { return MODULA; }
 162 RANDOM          { return RANDOM; }
 163
 164 MD5                     { return MD5; }
 165 CRC                     { return CRC; }
 166 FNV1_64                 { return FNV1_64; }
 167 FNV1A_64                        { return FNV1A_64; }
 168 FNV1_32                 { return FNV1_32; }
 169 FNV1A_32                        { return FNV1A_32; }
 170 HSIEH                   { return HSIEH; }
 171 MURMUR                  { return MURMUR; }
 172 JENKINS                 { return JENKINS; }
 173
 174 [[:alnum:]][[:alnum:].]*[[:alpha:]]: {
 175       yylval->string.c_str = yytext;
 176       yylval->string.length = yyleng;
 177       return HOSTNAME_WITH_PORT;
 178     }
 179
 180 [[:alnum:]]+"."[[:alpha:].]+ {
 181       yylval->string.c_str = yytext;
 182       yylval->string.length = yyleng;
 183       return HOSTNAME;
 184     }
 185
 186 [[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}: {
 187       yylval->string.c_str = yytext;
 188       yylval->string.length = yyleng;
 189       return IPADDRESS_WITH_PORT;
 190     }
 191
 192 [[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}  {
 193       yylval->string.c_str = yytext;
 194       yylval->string.length = yyleng;
 195       return IPADDRESS;
 196     }
 197
 198 [[:alnum:]]+ {
 199       yylval->string.c_str = yytext;
 200       yylval->string.length = yyleng;
 201       return STRING;
 202     }
 203
 204 \".*\" {
 205       yylval->string.c_str = yytext;
 206       yylval->string.length = yyleng;
 207       return QUOTED_STRING;
 208     }
 209
 210 .   {
 211       return UNKNOWN;
 212     }
 213
 214 %%