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

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  36  */
  37
  38 %{
  39
  40 #include <stdint.h>
  41 #include <iostream>
  42
  43 #include <libmemcached/options/type.h>
  44 #include <libmemcached/options/string.h>
  45 #include <libmemcached/options/symbol.h>
  46
  47 #pragma GCC diagnostic ignored "-Wold-style-cast"
  48 #include <libmemcached/options/scanner.h>
  49
  50 inline int libmemcached_error(YYLTYPE *locp, type_st *parser, yyscan_t *scanner, const char *str)
  51 {
  52   std::cerr << str << std::endl;
  53   return 0;
  54 }
  55
  56
  57 %}
  58
  59 %error-verbose
  60 %debug
  61 %defines
  62 %expect 0
  63 %output "libmemcached/options/parser.cc"
  64 %defines "libmemcached/options/parser.h"
  65 %lex-param { yyscan_t *scanner }
  66 %name-prefix="libmemcached_"
  67 %parse-param { type_st *parser }
  68 %parse-param { yyscan_t *scanner }
  69 %locations
  70 %pure-parser
  71 %require "2.2"
  72 %start statement
  73 %verbose
  74
  75 %token SERVER
  76 %token SERVERS
  77 %token TCPNODELAY
  78 %token UNKNOWN
  79 %token VERIFY_KEY
  80 %nonassoc ','
  81 %nonassoc '='
  82
  83 %token <number> NUMBER
  84 %token <number> FLOAT
  85 %token <string> IDENTIFIER
  86 %token <string> SERVER_WITH_PORT
  87 %token <string> IPADDRESS
  88 %token <string> IPADDRESS_WITH_PORT
  89
  90 %type <server> server
  91
  92 %%
  93
  94 statement:
  95           expression
  96           { }
  97         | statement expression
  98           { }
  99         ;
 100
 101
 102 expression:
 103           SERVER '=' server
 104           {
 105             (void) memcached_server_add(parser->memc, $3.c_str, $3.port);
 106           }
 107         | SERVERS '=' server_list
 108           { }
 109         | TCPNODELAY
 110           {
 111             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, true);
 112           }
 113         | VERIFY_KEY
 114           {
 115             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_VERIFY_KEY, true);
 116           }
 117         ;
 118
 119 server_list:
 120           server
 121           {
 122             (void) memcached_server_add(parser->memc, $1.c_str, $1.port);
 123           }
 124         | server_list ',' server
 125           {
 126             (void) memcached_server_add(parser->memc, $3.c_str, $3.port);
 127           }
 128         ;
 129
 130 server:
 131           SERVER_WITH_PORT NUMBER
 132           {
 133             $$.c_str= $1.c_str;
 134             $$.length= $1.length -1;
 135             $$.port= $2;
 136           }
 137         | IDENTIFIER
 138           {
 139             $$.c_str= $1.c_str;
 140             $$.length= $1.length;
 141             $$.port= MEMCACHED_DEFAULT_PORT;
 142           }
 143         | IPADDRESS_WITH_PORT NUMBER
 144           {
 145             $$.c_str= $1.c_str;
 146             $$.length= $1.length -1;
 147             $$.port= $2;
 148           }
 149         | IPADDRESS
 150           {
 151             $$.c_str= $1.c_str;
 152             $$.length= $1.length;
 153             $$.port= MEMCACHED_DEFAULT_PORT;
 154           }
 155         ;