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

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   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  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 EQ
  76 %token SERVER
  77 %token SERVERS
  78 %token TCPNODELAY
  79 %token UNKNOWN
  80 %token VERIFY_KEY
  81 %token COMMA
  82
  83 %token <number> NUMBER
  84 %token <number> FLOAT
  85 %token <string> IDENTIFIER
  86 %token <string> SERVER_WITH_PORT
  87
  88 %type <server> server
  89
  90 %%
  91
  92 statement:
  93           expression
  94           { }
  95         | statement expression
  96           { }
  97         ;
  98
  99
 100 expression:
 101           SERVER EQ server
 102           {
 103             (void) memcached_server_add(parser->memc, $3.c_str, $3.port);
 104           }
 105         | SERVERS EQ server_list
 106           { }
 107         | TCPNODELAY
 108           {
 109             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, true);
 110           }
 111         | VERIFY_KEY
 112           {
 113             memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_VERIFY_KEY, true);
 114           }
 115         ;
 116
 117 server_list:
 118           server
 119           {
 120             (void) memcached_server_add(parser->memc, $1.c_str, $1.port);
 121           }
 122         | server_list COMMA server
 123           {
 124             (void) memcached_server_add(parser->memc, $3.c_str, $3.port);
 125           }
 126         ;
 127
 128 server:
 129           SERVER_WITH_PORT NUMBER
 130           {
 131             $$.c_str= $1.c_str;
 132             $$.length= $1.length;
 133             $$.port= $2;
 134           }
 135         | IDENTIFIER
 136           {
 137             $$.c_str= $1.c_str;
 138             $$.length= $1.length;
 139             $$.port= 80;
 140           }
 141         ;