cetus/plugins/admin/lexer.l
2018-08-21 19:04:33 +08:00

125 lines
3.2 KiB
Plaintext

%{
#include <stdio.h>
#include "admin-parser.y.h"
%}
%option reentrant
%option noyywrap
%option never-interactive
/*yyin and yyout set to NULL*/
%option nostdinit
%option nodefault
%option warn
%option case-insensitive
%option prefix="adminyy"
%x COMMENT
%%
[ \t\n]+ /* ignore whitespace */;
"(" return TK_LP ;
")" return TK_RP ;
"," return TK_COMMA ;
"<>" return TK_NE ;
"!=" return TK_NE ;
"=" return TK_EQ ;
"==" return TK_EQ ;
">" return TK_GT ;
"<=" return TK_LE ;
"<" return TK_LT ;
">=" return TK_GE ;
"*" return TK_STAR;
"@" return TK_AT_SIGN;
":" return TK_COLON;
"[" return TK_LBRACKET;
"]" return TK_RBRACKET;
"." return TK_DOT;
";" return TK_SEMI;
"!" return TK_NOT;
"OR" return TK_OR ;
"AND" return TK_AND ;
"LIKE" return TK_LIKE;
"FROM" return TK_FROM ;
"DELETE" return TK_DELETE ;
"WHERE" return TK_WHERE ;
"UPDATE" return TK_UPDATE ;
"SET" return TK_SET ;
"INTO" return TK_INTO ;
"VALUES" return TK_VALUES ;
"INSERT" return TK_INSERT ;
"SHOW" return TK_SHOW;
"SELECT" return TK_SELECT;
"TRUE" return TK_TRUE;
"FALSE" return TK_FALSE;
"connectionlist" return TK_CONNECTIONLIST;
"groups" return TK_GROUPS;
"backends" return TK_BACKENDS;
"user_pwd" return TK_USER_PWD;
"app_user_pwd" return TK_APP_USER_PWD;
"allow_ip" return TK_ALLOW_IP;
"deny_ip" return TK_DENY_IP;
"conn_details" return TK_CONN_DETAILS;
"version" return TK_VERSION;
"get" return TK_GET;
"user" return TK_USER;
"password" return TK_PASSWORD;
"help" return TK_HELP;
"stats" return TK_STATS;
"config" return TK_CONFIG;
"reset" return TK_RESET;
"reduce_conns" return TK_REDUCE_CONNS;
"add" return TK_ADD;
"master" return TK_MASTER;
"slave" return TK_SLAVE;
"maintain" return TK_MAINTAIN;
"status" return TK_STATUS;
"variables" return TK_VARIABLES;
"conn_num" return TK_CONN_NUM;
"backend_ndx" return TK_BACKEND_NDX;
"cetus" return TK_CETUS;
"create" return TK_CREATE;
"vdb" return TK_VDB;
"using" return TK_USING;
"hash" return TK_HASH;
"range" return TK_RANGE;
"sharded" return TK_SHARDED;
"table" return TK_TABLE;
"shardkey" return TK_SHARDKEY;
"reload" return TK_RELOAD;
"save" return TK_SAVE;
"settings" return TK_SETTINGS;
"NAMES" return TK_NAMES;
"DATABASES" return TK_DATABASES;
"SINGLE" return TK_SINGLE;
"ON" return TK_ON;
"SQL" return TK_SQL;
"LOG" return TK_LOG;
"START" return TK_START;
"STOP" return TK_STOP;
"KILL" return TK_KILL;
"QUERY" return TK_QUERY;
[0-9]+ return TK_INTEGER; /*sign symbol is handled in parser*/
[0-9]*\.[0-9]+([eE][-+]?[0-9]+)? return TK_FLOAT;
[a-zA-Z][a-zA-Z0-9_-]* return TK_ID;
'([^'\\]|\\.|'')*' return TK_STRING;
\"([^"\\]|\"\"|\\.)*\" return TK_STRING;
`([^`]|``)*` return TK_ID;
"/*" { BEGIN(COMMENT); }
<COMMENT>[^*]*
<COMMENT>"*"+[^*/]*
<COMMENT>"*"+"/" { BEGIN(INITIAL); }
"#".* { /* useless comment */ }
"--"[ \t\n].* { /* useless comment */ }
. {printf("### flex: bad input character: 0x%02x\n", yytext[0]);return 0;}