+/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ *
+ * Libmemcached Scanner and Parser
+ *
+ * Copyright (C) 2011 DataDifferental, http://datadifferential.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
%top{
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-fpermissive"
+#include <iostream>
+
+#include <libmemcached/options/context.h>
#include <libmemcached/options/parser.h>
#include <libmemcached/options/string.h>
#include <libmemcached/options/symbol.h>
-#include <libmemcached/options/type.h>
+
+#define YY_EXTRA_TYPE Context*
+#define YY_USER_ACTION yylloc->first_line = yylineno;
}
#define PARAM yyget_extra(yyscanner)
-static void get_lex_chars(char* buffer, int& result, int max_size, struct type_st *parser)
+static void get_lex_chars(char* buffer, int& result, int max_size, Context *context)
{
- if (parser->pos >= parser->length)
+ if (context->pos >= context->length)
{
- result = YY_NULL;
+ result= YY_NULL;
}
else
{
- result = parser->length - parser->pos;
+ result= context->length - context->pos;
result > (int)max_size ? result = max_size : 0;
- memcpy(buffer, parser->buf + parser->pos, result);
- parser->pos += result;
+ memcpy(buffer, context->buf + context->pos, result);
+ context->pos += result;
}
}
%}
-%option bison-locations
%option bison-bridge
+%option bison-locations
%option case-insensitive
%option debug
%option nounput
%option noyywrap
+%option yylineno
%option outfile="libmemcached/options/scanner.cc" header-file="libmemcached/options/scanner.h"
%option perf-report
%option prefix="libmemcached_"
%%
-[=] { return EQ; }
-[,] { return COMMA; }
-
-[0-9]+ { yylval->number = atoi(yytext); return (NUMBER); }
-
-([0-9]*.[0-9]+) { yylval->double_number = atof(yytext); return (FLOAT); }
-
-[ \t\r\n] ; /* skip whitespace */
-"--SERVER" { return SERVER; }
-"--SERVERS" { return SERVERS; }
-"--TCP_NODELAY" { return TCPNODELAY; }
-"--TCP-NODELAY" { return TCPNODELAY; }
-"--VERIFY_KEY" { return VERIFY_KEY; }
-"--VERIFY-KEY" { return VERIFY_KEY; }
+=|,|[ ] { return yytext[0];}
+
+
+[[:digit:]]+ { yylval->number = atoi(yytext); return (NUMBER); }
+
+[\t\r\n] ; /* skip whitespace */
+
+^#.*$ {
+ return COMMENT;
+ }
+
+"--SERVER" { yyextra->begin= yytext; return SERVER; }
+"--SERVERS" { yyextra->begin= yytext; return SERVERS_OPTION; }
+
+"--VERIFY_KEY" { yyextra->begin= yytext; return VERIFY_KEY; }
+"--VERIFY-KEY" { yyextra->begin= yytext; return VERIFY_KEY; }
+"--AUTO_EJECT_HOSTS" { yyextra->begin= yytext; return AUTO_EJECT_HOSTS; }
+"--AUTO-EJECT_HOSTS" { yyextra->begin= yytext; return AUTO_EJECT_HOSTS; }
+"--BINARY_PROTOCOL" { yyextra->begin= yytext; return BINARY_PROTOCOL; }
+"--BINARY-PROTOCOL" { yyextra->begin= yytext; return BINARY_PROTOCOL; }
+"--BUFFER_REQUESTS" { yyextra->begin= yytext; return BUFFER_REQUESTS; }
+"--BUFFER-REQUESTS" { yyextra->begin= yytext; return BUFFER_REQUESTS; }
+"--CACHE_LOOKUPS" { yyextra->begin= yytext; return CACHE_LOOKUPS; }
+"--CACHE-LOOKUPS" { yyextra->begin= yytext; return CACHE_LOOKUPS; }
+"--CONFIGURE_FILE" { yyextra->begin= yytext; return CONFIGURE_FILE; }
+"--CONFIGURE-FILE" { yyextra->begin= yytext; return CONFIGURE_FILE; }
+"--CONNECT_TIMEOUT" { yyextra->begin= yytext; return CONNECT_TIMEOUT; }
+"--CONNECT-TIMEOUT" { yyextra->begin= yytext; return CONNECT_TIMEOUT; }
+"--CORK" { yyextra->begin= yytext; return _CORK; }
+"--DISTRIBUTION" { yyextra->begin= yytext; return DISTRIBUTION; }
+"--HASH" { yyextra->begin= yytext; return HASH; }
+"--HASH_WITH_PREFIX_KEY" { yyextra->begin= yytext; return HASH_WITH_PREFIX_KEY; }
+"--HASH-WITH-PREFIX_KEY" { yyextra->begin= yytext; return HASH_WITH_PREFIX_KEY; }
+"--IO_BYTES_WATERMARK" { yyextra->begin= yytext; return IO_BYTES_WATERMARK; }
+"--IO-BYTES-WATERMARK" { yyextra->begin= yytext; return IO_BYTES_WATERMARK; }
+"--IO_KEY_PREFETCH" { yyextra->begin= yytext; return IO_KEY_PREFETCH; }
+"--IO-KEY-PREFETCH" { yyextra->begin= yytext; return IO_KEY_PREFETCH; }
+"--IO_MSG_WATERMARK" { yyextra->begin= yytext; return IO_MSG_WATERMARK; }
+"--IO-MSG-WATERMARK" { yyextra->begin= yytext; return IO_MSG_WATERMARK; }
+"--KETAMA" { yyextra->begin= yytext; return KETAMA; }
+"--KETAMA_HASH" { yyextra->begin= yytext; return KETAMA_HASH; }
+"--KETAMA-HASH" { yyextra->begin= yytext; return KETAMA_HASH; }
+"--KETAMA_WEIGHTED" { yyextra->begin= yytext; return KETAMA_WEIGHTED; }
+"--KETAMA-WEIGHTED" { yyextra->begin= yytext; return KETAMA_WEIGHTED; }
+"--NOREPLY" { yyextra->begin= yytext; return NOREPLY; }
+"--NUMBER_OF_REPLICAS" { yyextra->begin= yytext; return NUMBER_OF_REPLICAS; }
+"--NUMBER-OF-REPLICAS" { yyextra->begin= yytext; return NUMBER_OF_REPLICAS; }
+"--POLL_TIMEOUT" { yyextra->begin= yytext; return POLL_TIMEOUT; }
+"--POLL-TIMEOUT" { yyextra->begin= yytext; return POLL_TIMEOUT; }
+"--RANDOMIZE_REPLICA_READ" { yyextra->begin= yytext; return RANDOMIZE_REPLICA_READ; }
+"--RANDOMIZE-REPLICA-READ" { yyextra->begin= yytext; return RANDOMIZE_REPLICA_READ; }
+"--RCV_TIMEOUT" { yyextra->begin= yytext; return RCV_TIMEOUT; }
+"--RCV-TIMEOUT" { yyextra->begin= yytext; return RCV_TIMEOUT; }
+"--RETRY_TIMEOUT" { yyextra->begin= yytext; return RETRY_TIMEOUT; }
+"--RETRY-TIMEOUT" { yyextra->begin= yytext; return RETRY_TIMEOUT; }
+"--SERVER_FAILURE_LIMIT" { yyextra->begin= yytext; return SERVER_FAILURE_LIMIT; }
+"--SERVER-FAILURE-LIMIT" { yyextra->begin= yytext; return SERVER_FAILURE_LIMIT; }
+"--SND_TIMEOUT" { yyextra->begin= yytext; return SND_TIMEOUT; }
+"--SND-TIMEOUT" { yyextra->begin= yytext; return SND_TIMEOUT; }
+"--SOCKET_RECV_SIZE" { yyextra->begin= yytext; return SOCKET_RECV_SIZE; }
+"--SOCKET-RECV-SIZE" { yyextra->begin= yytext; return SOCKET_RECV_SIZE; }
+"--SOCKET_SEND_SIZE" { yyextra->begin= yytext; return SOCKET_SEND_SIZE; }
+"--SOCKET-SEND-SIZE" { yyextra->begin= yytext; return SOCKET_SEND_SIZE; }
+"--SORT_HOSTS" { yyextra->begin= yytext; return SORT_HOSTS; }
+"--SORT-HOSTS" { yyextra->begin= yytext; return SORT_HOSTS; }
+"--SUPPORT_CAS" { yyextra->begin= yytext; return SUPPORT_CAS; }
+"--SUPPORT-CAS" { yyextra->begin= yytext; return SUPPORT_CAS; }
+"--TCP_NODELAY" { yyextra->begin= yytext; return _TCP_NODELAY; }
+"--TCP-NODELAY" { yyextra->begin= yytext; return _TCP_NODELAY; }
+"--TCP_KEEPALIVE" { yyextra->begin= yytext; return _TCP_KEEPALIVE; }
+"--TCP-KEEPALIVE" { yyextra->begin= yytext; return _TCP_KEEPALIVE; }
+"--TCP_KEEPIDLE" { yyextra->begin= yytext; return _TCP_KEEPIDLE; }
+"--TCP-KEEPIDLE" { yyextra->begin= yytext; return _TCP_KEEPIDLE; }
+"--USER_DATA" { yyextra->begin= yytext; return USER_DATA; }
+"--USER-DATA" { yyextra->begin= yytext; return USER_DATA; }
+"--USE_UDP" { yyextra->begin= yytext; return USE_UDP; }
+"--USE-UDP" { yyextra->begin= yytext; return USE_UDP; }
+
+"--PREFIX-KEY" { yyextra->begin= yytext; return PREFIX_KEY; }
+"--PREFIX_KEY" { yyextra->begin= yytext; return PREFIX_KEY; }
+
+INCLUDE { yyextra->begin= yytext; return INCLUDE; }
+RESET { yyextra->begin= yytext; return RESET; }
+DEBUG { yyextra->begin= yytext; return DEBUG; }
+SERVERS { yyextra->begin= yytext; return SERVERS; }
+END { yyextra->begin= yytext; return END; }
+
+TRUE { return TRUE; }
+FALSE { return FALSE; }
+
+
+"--"[[:alnum:]]* {
+ yyextra->begin= yytext;
+ return UNKNOWN_OPTION;
+ }
+
+CONSISTENT { return CONSISTENT; }
+MODULA { return MODULA; }
+RANDOM { return RANDOM; }
+
+MD5 { return MD5; }
+CRC { return CRC; }
+FNV1_64 { return FNV1_64; }
+FNV1A_64 { return FNV1A_64; }
+FNV1_32 { return FNV1_32; }
+FNV1A_32 { return FNV1A_32; }
+HSIEH { return HSIEH; }
+MURMUR { return MURMUR; }
+JENKINS { return JENKINS; }
+
+[[:alnum:]][[:alnum:].]*[[:alpha:]]: {
+ yylval->string.c_str = yytext;
+ yylval->string.length = yyleng;
+ return HOSTNAME_WITH_PORT;
+ }
+
+[[:alnum:]]+"."[[:alpha:].]+ {
+ yylval->string.c_str = yytext;
+ yylval->string.length = yyleng;
+ return HOSTNAME;
+ }
+
+(([[:digit:]]{1,3}"."){3}([[:digit:]]{1,3})): {
+ yylval->string.c_str = yytext;
+ yylval->string.length = yyleng;
+ return IPADDRESS_WITH_PORT;
+ }
+
+(([[:digit:]]{1,3}"."){3}([[:digit:]]{1,3})) {
+ yylval->string.c_str = yytext;
+ yylval->string.length = yyleng;
+ return IPADDRESS;
+ }
+
+[[:alnum:]]+ {
+ yylval->string.c_str = yytext;
+ yylval->string.length = yyleng;
+ return STRING;
+ }
+
+(\".*\") {
+ yylval->string.c_str = yytext;
+ yylval->string.length = yyleng;
+ return QUOTED_STRING;
+ }
+
+. {
+ yyextra->begin= yytext;
+ return UNKNOWN;
+ }
-[A-Za-z][A-Za-z0-9_]*[:] {
- yylval->string.c_str = yytext;
- yylval->string.length = yyleng;
- return SERVER_WITH_PORT;
- }
-
-[A-Za-z][A-Za-z0-9_]* {
- yylval->string.c_str = yytext;
- yylval->string.length = yyleng;
- return IDENTIFIER;
- }
-[-] ;
+%%
-. {
- std::cerr << "Near " << yytext << std::endl;
- return UNKNOWN;
- }
+void Context::init_scanner()
+{
+ yylex_init(&scanner);
+ yyset_extra(this, scanner);
+}
-%%
+void Context::destroy_scanner()
+{
+ yylex_destroy(scanner);
+}