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

   1
   2 %top{
   3
   4 #pragma GCC diagnostic ignored "-Wold-style-cast"
   5 #pragma GCC diagnostic ignored "-Wunused-parameter"
   6 #pragma GCC diagnostic ignored "-fpermissive"
   7
   8 #include <libmemcached/options/parser.h>
   9 #include <libmemcached/options/string.h>
  10 #include <libmemcached/options/symbol.h>
  11 #include <libmemcached/options/type.h>
  12
  13 }
  14
  15
  16 %{
  17 #include <cstdlib>
  18 #include <cstring>
  19
  20 #define PARAM yyget_extra(yyscanner)
  21
  22 static void get_lex_chars(char* buffer, int& result, int max_size, struct type_st *parser)
  23 {
  24   if (parser->pos >= parser->length)
  25   {
  26     result = YY_NULL;
  27   }
  28   else
  29   {
  30     result = parser->length - parser->pos;
  31     result > (int)max_size ? result = max_size : 0;
  32     memcpy(buffer, parser->buf + parser->pos, result);
  33     parser->pos += result;
  34   }
  35 }
  36
  37
  38 #define YY_INPUT(buffer, result, max_size) get_lex_chars(buffer, result, max_size, PARAM)
  39
  40 %}
  41
  42 %option bison-locations
  43 %option bison-bridge
  44 %option case-insensitive
  45 %option debug
  46 %option nounput
  47 %option noyywrap
  48 %option outfile="libmemcached/options/scanner.cc" header-file="libmemcached/options/scanner.h"
  49 %option perf-report
  50 %option prefix="libmemcached_"
  51 %option reentrant
  52
  53 %%
  54
  55 [=] { return EQ; }
  56 [,] { return COMMA; }
  57
  58 [0-9]+ { yylval->number = atoi(yytext); return (NUMBER); }
  59
  60 ([0-9]*.[0-9]+) { yylval->double_number = atof(yytext); return (FLOAT); }
  61
  62 [ \t\r\n] ; /* skip whitespace */
  63
  64 "--SERVER"                 { return SERVER; }
  65 "--SERVERS"                 { return SERVERS; }
  66 "--TCP_NODELAY"                 { return TCPNODELAY; }
  67 "--TCP-NODELAY"                 { return TCPNODELAY; }
  68 "--VERIFY_KEY"                 { return VERIFY_KEY; }
  69 "--VERIFY-KEY"                 { return VERIFY_KEY; }
  70
  71 [A-Za-z][A-Za-z0-9_]*[:]    {
  72                               yylval->string.c_str = yytext;
  73                               yylval->string.length = yyleng;
  74                               return SERVER_WITH_PORT;
  75                             }
  76
  77 [A-Za-z][A-Za-z0-9_]*   {
  78                           yylval->string.c_str = yytext;
  79                           yylval->string.length = yyleng;
  80                           return IDENTIFIER;
  81                         }
  82 [-] ;
  83
  84 .                     {
  85                         std::cerr << "Near " <<  yytext << std::endl;
  86                         return UNKNOWN;
  87                       }
  88
  89 %%