%output "libmemcached/options/parser.cc"
%defines "libmemcached/options/parser.h"
%lex-param { yyscan_t *scanner }
-%name-prefix="libmemcached_"
+%name-prefix="config_"
%parse-param { Context *context }
%parse-param { yyscan_t *scanner }
-%locations
%pure-parser
%require "2.2"
-%start statement
+%start begin
%verbose
%{
#include <config.h>
#include <stdint.h>
-#include <iostream>
-#include <sstream>
-#include <string>
#include <libmemcached/options/context.h>
+#include <libmemcached/options/build.h>
#include <libmemcached/options/string.h>
#include <libmemcached/options/symbol.h>
+#include <libmemcached/visibility.h>
+#include <libmemcached/prefix_key.h>
#pragma GCC diagnostic ignored "-Wold-style-cast"
#include <libmemcached/options/scanner.h>
-int libmemcached_lex(YYSTYPE* lvalp, YYLTYPE* llocp, void* scanner);
+int conf_lex(YYSTYPE* lvalp, void* scanner);
-inline void parser_abort(Context *context, const char *error)
-{
- (void)error;
- if (context->rc == MEMCACHED_SUCCESS)
- context->rc= MEMCACHED_PARSE_ERROR;
-
- std::string error_message;
- error_message+= context->begin;
- error_message+= " (";
- error_message+= memcached_strerror(NULL, context->rc);
- error_message+= ")";
+#define parser_abort(A, B) do { parser::abort_func((A), (B)); YYABORT; } while (0)
- 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)
+inline void config_error(Context *context, yyscan_t *scanner, const char *error)
{
- parser_abort(context, error);
+ if (not context->end())
+ parser::abort_func(context, error);
}
%}
%token COMMENT
+%token END
+%token ERROR
+%token RESET
+%token PARSER_DEBUG
+%token INCLUDE
%token CONFIGURE_FILE
%token EMPTY_LINE
%token SERVER
%token SERVERS
+%token SERVERS_OPTION
%token UNKNOWN_OPTION
%token UNKNOWN
%token AUTO_EJECT_HOSTS
%token BINARY_PROTOCOL
%token BUFFER_REQUESTS
-%token CACHE_LOOKUPS
%token CONNECT_TIMEOUT
-%token _CORK
%token DISTRIBUTION
%token HASH
%token HASH_WITH_PREFIX_KEY
%token IO_BYTES_WATERMARK
%token IO_KEY_PREFETCH
%token IO_MSG_WATERMARK
-%token KETAMA
%token KETAMA_HASH
%token KETAMA_WEIGHTED
%token NOREPLY
%token MODULA
%token RANDOM
+/* Boolean values */
+%token <boolean> TRUE
+%token <boolean> FALSE
+
%nonassoc ','
%nonassoc '='
-%token <number> NUMBER
%token <number> FLOAT
-%token <string> HOSTNAME
-%token <string> HOSTNAME_WITH_PORT
-%token <string> IPADDRESS
-%token <string> IPADDRESS_WITH_PORT
+%token <number> NUMBER
+%token PORT
+%token WEIGHT_START
+%token <server> IPADDRESS
+%token <server> HOSTNAME
%token <string> STRING
%token <string> QUOTED_STRING
+%token <string> FILE_PATH
-%type <server> server
%type <string> string
%type <distribution> distribution
%type <hash> hash
%%
+begin:
+ statement
+ | begin ' ' statement
+ ;
+
statement:
expression
{ }
- | statement ' ' expression
- { }
| COMMENT
{ }
| EMPTY_LINE
{ }
+ | END
+ {
+ context->set_end();
+ YYACCEPT;
+ }
+ | ERROR
+ {
+ context->rc= MEMCACHED_PARSE_USER_ERROR;
+ parser_abort(context, NULL);
+ }
+ | RESET
+ {
+ memcached_reset(context->memc);
+ }
+ | PARSER_DEBUG
+ {
+ yydebug= 1;
+ }
+ | INCLUDE ' ' string
+ {
+ if ((context->rc= memcached_parse_configure_file(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
+ {
+ parser_abort(context, NULL);
+ }
+ }
;
expression:
- SERVER '=' server
- {
- if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
+ SERVER HOSTNAME optional_port optional_weight
+ {
+ if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
{
parser_abort(context, NULL);
}
+ context->unset_server();
}
- | SERVERS '=' server_list
+ | SERVER IPADDRESS optional_port optional_weight
{
+ if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
+ {
+ parser_abort(context, NULL);
+ }
+ context->unset_server();
}
- | CONFIGURE_FILE '=' string
+ | CONFIGURE_FILE string
{
- memcached_set_configuration_file(context->memc, $3.c_str, $3.length);
+ memcached_set_configuration_file(context->memc, $2.c_str, $2.length);
}
| behaviors
;
behaviors:
- PREFIX_KEY '=' string
+ 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)
+ if ((context->rc= memcached_set_prefix_key(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS)
{
parser_abort(context, NULL);;
}
}
- | DISTRIBUTION '=' distribution
+ | DISTRIBUTION distribution
{
- if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3)) != MEMCACHED_SUCCESS)
+ if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
{
parser_abort(context, NULL);;
}
}
- | HASH '=' hash
+ | DISTRIBUTION distribution ',' hash
{
- if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $3)) != MEMCACHED_SUCCESS)
+ if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
{
- parser_abort(context, NULL);;
+ parser_abort(context, NULL);;
+ }
+ if ((context->rc= memcached_behavior_set_distribution_hash(context->memc, $4)) != MEMCACHED_SUCCESS)
+ {
+ parser_abort(context, NULL);;
}
}
- | KETAMA_HASH '=' hash
+ | HASH hash
{
- if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_KETAMA_HASH, $3)) != MEMCACHED_SUCCESS)
+ if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $2)) != MEMCACHED_SUCCESS)
{
- parser_abort(context, NULL);;
+ parser_abort(context, NULL);;
}
}
- | behavior_number '=' NUMBER
+ | behavior_number NUMBER
{
- if ((context->rc= memcached_behavior_set(context->memc, $1, $3)) != MEMCACHED_SUCCESS)
+ if ((context->rc= memcached_behavior_set(context->memc, $1, $2)) != MEMCACHED_SUCCESS)
{
parser_abort(context, NULL);;
}
{
$$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
}
- | CACHE_LOOKUPS
- {
- $$= MEMCACHED_BEHAVIOR_CACHE_LOOKUPS;
- }
- | _CORK
- {
- $$= MEMCACHED_BEHAVIOR_CORK;
- }
| HASH_WITH_PREFIX_KEY
{
$$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
}
- | KETAMA
- {
- $$= MEMCACHED_BEHAVIOR_KETAMA;
- }
- | KETAMA_WEIGHTED
- {
- $$= MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED;
- }
| NOREPLY
{
$$= MEMCACHED_BEHAVIOR_NOREPLY;
}
-server_list:
- server
- {
- if ((context->rc= memcached_server_add_parsed(context->memc, $1.c_str, $1.length, $1.port, 0)) != MEMCACHED_SUCCESS)
- {
- parser_abort(context, NULL);;
- }
- }
- | server_list ',' server
- {
- if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
- {
- parser_abort(context, NULL);;
- }
- }
+optional_port:
+ { }
+ | PORT
+ { };
;
-server:
- HOSTNAME_WITH_PORT NUMBER
- {
- $$.c_str= $1.c_str;
- $$.length= $1.length -1;
- $$.port= $2;
- }
- | 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;
- $$.length= $1.length;
- $$.port= MEMCACHED_DEFAULT_PORT;
- }
- | IPADDRESS_WITH_PORT NUMBER
- {
- $$.c_str= $1.c_str;
- $$.length= $1.length -1;
- $$.port= $2;
- }
- | IPADDRESS
- {
- $$.c_str= $1.c_str;
- $$.length= $1.length;
- $$.port= MEMCACHED_DEFAULT_PORT;
- }
+optional_weight:
+ { }
+ | WEIGHT_START
+ { }
;
hash:
}
| QUOTED_STRING
{
- $$.c_str= $1.c_str +1;
- $$.length= $1.length -2;
+ $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
+ $$.length= $1.length -1; // -1 removes the end quote
}
;
$$= MEMCACHED_DISTRIBUTION_RANDOM;
}
;
+
+%%
+
+void Context::start()
+{
+ config_parse(this, (void **)scanner);
+}
+