X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Foptions%2Fparser.yy;h=dd19ef8b52d3c98a58722b6fcaff2f3a3b24d645;hb=d9752c25d2f723d27e355d0c7090b65b0445c4a4;hp=3a7cee2eed170492600305dba1d031c33aee1fa7;hpb=696240873d8c6ca5edc482a7395984aac14d5b32;p=m6w6%2Flibmemcached diff --git a/libmemcached/options/parser.yy b/libmemcached/options/parser.yy index 3a7cee2e..dd19ef8b 100644 --- a/libmemcached/options/parser.yy +++ b/libmemcached/options/parser.yy @@ -18,51 +18,85 @@ * along with this program. If not, see . */ +%error-verbose +%debug +%defines +%expect 0 +%output "libmemcached/options/parser.cc" +%defines "libmemcached/options/parser.h" +%lex-param { yyscan_t *scanner } +%name-prefix="libmemcached_" +%parse-param { Context *context } +%parse-param { yyscan_t *scanner } +%locations +%pure-parser +%require "2.2" +%start begin +%verbose + %{ +#include + #include #include +#include +#include -#include +#include #include #include #pragma GCC diagnostic ignored "-Wold-style-cast" #include -inline int libmemcached_error(YYLTYPE *locp, type_st *parser, yyscan_t *scanner, const char *str) +int libmemcached_lex(YYSTYPE* lvalp, YYLTYPE* llocp, void* scanner); + +#define parser_abort(A, B) do { parser_abort_func((A), (B)); YYABORT; } while (0) + +inline void parser_abort_func(Context *context, const char *error) { -#if 0 - std::cerr << str << std::endl; -#endif - return 0; + (void)error; + if (context->rc == MEMCACHED_SUCCESS) + context->rc= MEMCACHED_PARSE_ERROR; + + std::string error_message; + error_message+= context->begin; + error_message+= " ("; + if (context->rc == MEMCACHED_PARSE_ERROR and error) + { + error_message+= error; + } + else + { + error_message+= memcached_strerror(NULL, context->rc); + } + error_message+= ")"; + + memcached_set_error_string(context->memc, context->rc, error_message.c_str(), error_message.size()); } +inline void libmemcached_error(YYLTYPE *locp, Context *context, yyscan_t *scanner, const char *error) +{ + if (not context->end()) + parser_abort_func(context, error); +} %} -%error-verbose -%debug -%defines -%expect 0 -%output "libmemcached/options/parser.cc" -%defines "libmemcached/options/parser.h" -%lex-param { yyscan_t *scanner } -%name-prefix="libmemcached_" -%parse-param { type_st *parser } -%parse-param { yyscan_t *scanner } -%locations -%pure-parser -%require "2.2" -%start statement -%verbose - +%token COMMENT +%token END +%token RESET +%token DEBUG +%token INCLUDE +%token CONFIGURE_FILE +%token EMPTY_LINE %token SERVER %token SERVERS +%token SERVERS_OPTION +%token UNKNOWN_OPTION %token UNKNOWN -%token DASH_OPTION - /* All behavior options */ %token AUTO_EJECT_HOSTS %token BINARY_PROTOCOL @@ -98,6 +132,9 @@ inline int libmemcached_error(YYLTYPE *locp, type_st *parser, yyscan_t *scanner, %token USE_UDP %token VERIFY_KEY +/* Callbacks */ +%token PREFIX_KEY + /* Hash types */ %token MD5 %token CRC @@ -114,17 +151,25 @@ inline int libmemcached_error(YYLTYPE *locp, type_st *parser, yyscan_t *scanner, %token MODULA %token RANDOM +/* Boolean values */ +%token TRUE +%token FALSE + %nonassoc ',' %nonassoc '=' %token NUMBER %token FLOAT -%token IDENTIFIER -%token SERVER_WITH_PORT +%token HOSTNAME +%token HOSTNAME_WITH_PORT %token IPADDRESS %token IPADDRESS_WITH_PORT +%token STRING +%token QUOTED_STRING +%token FILE_PATH %type server +%type string %type distribution %type hash %type behavior_boolean @@ -132,45 +177,114 @@ inline int libmemcached_error(YYLTYPE *locp, type_st *parser, yyscan_t *scanner, %% +begin: + statement + | begin ' ' statement + ; + statement: - DASH_OPTION expression + expression { } - | statement ' ' DASH_OPTION expression + | COMMENT { } + | EMPTY_LINE + { } + | END + { + context->set_end(); + YYACCEPT; + } + | RESET + { + memcached_reset(context->memc); + } + | RESET SERVERS + { + memcached_servers_reset(context->memc); + } + | DEBUG + { + yydebug= 1; + } + | DEBUG TRUE + { + yydebug= 1; + } + | DEBUG FALSE + { + yydebug= 0; + } + | INCLUDE FILE_PATH + { + std::cerr << "Got into INCLUDE" << std::endl; + if ((context->rc= memcached_parse_configure_file(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL); + } + } ; expression: SERVER '=' server { - (void) memcached_server_add_parsed(parser->memc, $3.c_str, $3.length, $3.port, 0); + if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL); + } } - | SERVERS '=' server_list + | SERVERS_OPTION '=' server_list { } + | CONFIGURE_FILE '=' string + { + memcached_set_configuration_file(context->memc, $3.c_str, $3.length); + } | behaviors ; behaviors: + PREFIX_KEY '=' string + { + if ((context->rc= memcached_callback_set(context->memc, MEMCACHED_CALLBACK_PREFIX_KEY, std::string($3.c_str, $3.length).c_str())) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } + } | DISTRIBUTION '=' distribution { - memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3); + if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } } | HASH '=' hash { - memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3); + if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $3)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } } | KETAMA_HASH '=' hash { - memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_KETAMA_HASH, $3); + if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_KETAMA_HASH, $3)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } } | behavior_number '=' NUMBER { - memcached_behavior_set(parser->memc, $1, $3); + if ((context->rc= memcached_behavior_set(context->memc, $1, $3)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } } | behavior_boolean { - memcached_behavior_set(parser->memc, $1, true); + if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } } | USER_DATA { @@ -302,22 +416,34 @@ behavior_boolean: server_list: server { - (void) memcached_server_add_parsed(parser->memc, $1.c_str, $1.length, $1.port, 0); + if ((context->rc= memcached_server_add_parsed(context->memc, $1.c_str, $1.length, $1.port, 0)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } } | server_list ',' server { - (void) memcached_server_add_parsed(parser->memc, $3.c_str, $3.length, $3.port, 0); + if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS) + { + parser_abort(context, NULL);; + } } ; server: - SERVER_WITH_PORT NUMBER + HOSTNAME_WITH_PORT NUMBER { $$.c_str= $1.c_str; $$.length= $1.length -1; $$.port= $2; } - | IDENTIFIER + | HOSTNAME + { + $$.c_str= $1.c_str; + $$.length= $1.length; + $$.port= MEMCACHED_DEFAULT_PORT; + } + | STRING /* a match can be against "localhost" which is just a string */ { $$.c_str= $1.c_str; $$.length= $1.length; @@ -376,6 +502,18 @@ hash: } ; +string: + STRING + { + $$= $1; + } + | QUOTED_STRING + { + $$.c_str= $1.c_str +1; + $$.length= $1.length -2; + } + ; + distribution: CONSISTENT {