diff options
Diffstat (limited to 'src/Context.php')
| -rw-r--r-- | src/Context.php | 279 |
1 files changed, 210 insertions, 69 deletions
diff --git a/src/Context.php b/src/Context.php index 4c73af2..1a06baf 100644 --- a/src/Context.php +++ b/src/Context.php @@ -26,46 +26,70 @@ abstract class Context */ const OPERATOR_MAX_LENGTH = 4; + /** + * The name of the default content. + * + * @var string + */ + public static $defaultContext = '\\SqlParser\\Contexts\\Context_MySQL570'; + + /** + * The name of the loaded context. + * + * @var string + */ + public static $loadedContext = '\\SqlParser\\Contexts\\Context_MySQL570'; // ------------------------------------------------------------------------- // Keywords. /** - * List of official keywords. + * List of keywords. * * Because, PHP's associative arrays are basically hash tables, it is more * efficient to store keywords as keys instead of values. * + * There are multiple types of keyword, depending on the value associated: + * 1 - reserved keywords + * 2 - keyword + * 3 - composite keyword (unofficial); used to make the job of the lexer + * much easier by grouping keywords that may appear together + * + * Keywords below are sorted by type, length and keyword. + * * @var array */ public static $KEYWORDS = array( - 'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1, 'ON' => 1, - 'OR' => 1, 'TO' => 1, - 'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1, 'DIV' => 1, - 'FOR' => 1, 'GET' => 1, 'INT' => 1, 'KEY' => 1, 'MOD' => 1, 'NOT' => 1, - 'OUT' => 1, 'SET' => 1, 'SQL' => 1, 'SSL' => 1, 'USE' => 1, 'XOR' => 1, - 'BLOB' => 1, 'BOTH' => 1, 'CALL' => 1, 'CASE' => 1, 'CHAR' => 1, - 'DESC' => 1, 'DROP' => 1, 'DUAL' => 1, 'EACH' => 1, 'ELSE' => 1, - 'EXIT' => 1, 'FROM' => 1, 'GOTO' => 1, 'INT1' => 1, 'INT2' => 1, - 'INT3' => 1, 'INT4' => 1, 'INT8' => 1, 'INTO' => 1, 'JOIN' => 1, - 'KEYS' => 1, 'KILL' => 1, 'LEFT' => 1, 'LIKE' => 1, 'LOAD' => 1, - 'LOCK' => 1, 'LONG' => 1, 'LOOP' => 1, 'NULL' => 1, 'READ' => 1, - 'REAL' => 1, 'SHOW' => 1, 'THEN' => 1, 'TRUE' => 1, 'UNDO' => 1, - 'WHEN' => 1, 'WITH' => 1, - 'ALTER' => 1, 'CHECK' => 1, 'CROSS' => 1, 'FALSE' => 1, 'FETCH' => 1, - 'FLOAT' => 1, 'FORCE' => 1, 'GRANT' => 1, 'GROUP' => 1, 'INDEX' => 1, - 'INNER' => 1, 'INOUT' => 1, 'LABEL' => 1, 'LEAVE' => 1, 'LIMIT' => 1, - 'LINES' => 1, 'MATCH' => 1, 'ORDER' => 1, 'OUTER' => 1, 'PURGE' => 1, - 'RANGE' => 1, 'READS' => 1, 'RIGHT' => 1, 'RLIKE' => 1, 'TABLE' => 1, - 'UNION' => 1, 'USAGE' => 1, 'USING' => 1, 'WHERE' => 1, 'WHILE' => 1, - 'WRITE' => 1, + 'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1, + 'ON' => 1, 'OR' => 1, 'TO' => 1, + 'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1, + 'DIV' => 1, 'FOR' => 1, 'GET' => 1, 'INT' => 1, 'KEY' => 1, + 'MOD' => 1, 'NOT' => 1, 'OUT' => 1, 'SET' => 1, 'SQL' => 1, + 'SSL' => 1, 'USE' => 1, 'XOR' => 1, + 'BLOB' => 1, 'BOTH' => 1, 'CALL' => 1, 'CASE' => 1, + 'CHAR' => 1, 'DESC' => 1, 'DROP' => 1, 'DUAL' => 1, + 'EACH' => 1, 'ELSE' => 1, 'EXIT' => 1, 'FROM' => 1, + 'INT1' => 1, 'INT2' => 1, 'INT3' => 1, 'INT4' => 1, + 'INT8' => 1, 'INTO' => 1, 'JOIN' => 1, 'KEYS' => 1, + 'KILL' => 1, 'LEFT' => 1, 'LIKE' => 1, 'LOAD' => 1, + 'LOCK' => 1, 'LONG' => 1, 'LOOP' => 1, 'NULL' => 1, + 'READ' => 1, 'REAL' => 1, 'SHOW' => 1, 'THEN' => 1, + 'TRUE' => 1, 'UNDO' => 1, 'WHEN' => 1, 'WITH' => 1, + 'ALTER' => 1, 'CHECK' => 1, 'CROSS' => 1, 'FALSE' => 1, + 'FETCH' => 1, 'FLOAT' => 1, 'FORCE' => 1, 'GRANT' => 1, + 'GROUP' => 1, 'INDEX' => 1, 'INNER' => 1, 'INOUT' => 1, + 'LEAVE' => 1, 'LIMIT' => 1, 'LINES' => 1, 'MATCH' => 1, + 'ORDER' => 1, 'OUTER' => 1, 'PURGE' => 1, 'RANGE' => 1, + 'READS' => 1, 'RIGHT' => 1, 'RLIKE' => 1, 'TABLE' => 1, + 'UNION' => 1, 'USAGE' => 1, 'USING' => 1, 'WHERE' => 1, + 'WHILE' => 1, 'WRITE' => 1, 'BEFORE' => 1, 'BIGINT' => 1, 'BINARY' => 1, 'CHANGE' => 1, 'COLUMN' => 1, 'CREATE' => 1, 'CURSOR' => 1, 'DELETE' => 1, 'DOUBLE' => 1, 'ELSEIF' => 1, 'EXISTS' => 1, 'FLOAT4' => 1, 'FLOAT8' => 1, 'HAVING' => 1, 'IGNORE' => 1, 'INFILE' => 1, 'INSERT' => 1, 'LINEAR' => 1, 'OPTION' => 1, 'REGEXP' => 1, 'RENAME' => 1, 'REPEAT' => 1, 'RETURN' => 1, 'REVOKE' => 1, - 'SCHEMA' => 1, 'SELECT' => 1, 'SIGNAL' => 1, 'SONAME' => 1, + 'SCHEMA' => 1, 'SELECT' => 1, 'SIGNAL' => 1, 'STORED' => 1, 'UNIQUE' => 1, 'UNLOCK' => 1, 'UPDATE' => 1, 'VALUES' => 1, 'ANALYZE' => 1, 'BETWEEN' => 1, 'CASCADE' => 1, 'COLLATE' => 1, 'CONVERT' => 1, 'DECIMAL' => 1, 'DECLARE' => 1, 'DEFAULT' => 1, @@ -73,23 +97,27 @@ abstract class Context 'INTEGER' => 1, 'ITERATE' => 1, 'LEADING' => 1, 'NATURAL' => 1, 'NUMERIC' => 1, 'OUTFILE' => 1, 'PRIMARY' => 1, 'RELEASE' => 1, 'REPLACE' => 1, 'REQUIRE' => 1, 'SCHEMAS' => 1, 'SPATIAL' => 1, - 'TINYINT' => 1, 'TRIGGER' => 1, 'UPGRADE' => 1, 'VARCHAR' => 1, - 'VARYING' => 1, - 'CONTINUE' => 1, 'DATABASE' => 1, 'DAY_HOUR' => 1, 'DESCRIBE' => 1, - 'DISTINCT' => 1, 'ENCLOSED' => 1, 'FULLTEXT' => 1, 'INTERVAL' => 1, - 'LONGBLOB' => 1, 'LONGTEXT' => 1, 'MAXVALUE' => 1, 'MODIFIES' => 1, - 'OPTIMIZE' => 1, 'RESIGNAL' => 1, 'RESTRICT' => 1, 'SMALLINT' => 1, - 'SPECIFIC' => 1, 'SQLSTATE' => 1, 'STARTING' => 1, 'TINYBLOB' => 1, - 'TINYTEXT' => 1, 'TRAILING' => 1, 'UNSIGNED' => 1, 'UTC_DATE' => 1, + 'TINYINT' => 1, 'TRIGGER' => 1, 'VARCHAR' => 1, 'VARYING' => 1, + 'VIRTUAL' => 1, + 'CONTINUE' => 1, 'DATABASE' => 1, 'DAY_HOUR' => 1, + 'DESCRIBE' => 1, 'DISTINCT' => 1, 'ENCLOSED' => 1, + 'FULLTEXT' => 1, 'INTERVAL' => 1, 'LONGBLOB' => 1, + 'LONGTEXT' => 1, 'MAXVALUE' => 1, 'MODIFIES' => 1, + 'OPTIMIZE' => 1, 'RESIGNAL' => 1, 'RESTRICT' => 1, + 'SMALLINT' => 1, 'SPECIFIC' => 1, 'SQLSTATE' => 1, + 'STARTING' => 1, 'TINYBLOB' => 1, 'TINYTEXT' => 1, + 'TRAILING' => 1, 'UNSIGNED' => 1, 'UTC_DATE' => 1, 'UTC_TIME' => 1, 'ZEROFILL' => 1, - 'CHARACTER' => 1, 'CONDITION' => 1, 'DATABASES' => 1, 'LOCALTIME' => 1, - 'MEDIUMINT' => 1, 'MIDDLEINT' => 1, 'PARTITION' => 1, 'PRECISION' => 1, - 'PROCEDURE' => 1, 'SENSITIVE' => 1, 'SEPARATOR' => 1, 'VARBINARY' => 1, - 'ACCESSIBLE' => 1, 'ASENSITIVE' => 1, 'CONNECTION' => 1, - 'CONSTRAINT' => 1, 'DAY_MINUTE' => 1, 'DAY_SECOND' => 1, - 'MEDIUMBLOB' => 1, 'MEDIUMTEXT' => 1, 'OPTIONALLY' => 1, - 'READ_WRITE' => 1, 'REFERENCES' => 1, 'SQLWARNING' => 1, - 'TERMINATED' => 1, 'YEAR_MONTH' => 1, + 'CHARACTER' => 1, 'CONDITION' => 1, 'DATABASES' => 1, + 'GENERATED' => 1, 'LOCALTIME' => 1, 'MEDIUMINT' => 1, + 'MIDDLEINT' => 1, 'PARTITION' => 1, 'PRECISION' => 1, + 'PROCEDURE' => 1, 'SENSITIVE' => 1, 'SEPARATOR' => 1, + 'VARBINARY' => 1, + 'ACCESSIBLE' => 1, 'ASENSITIVE' => 1, 'CONSTRAINT' => 1, + 'DAY_MINUTE' => 1, 'DAY_SECOND' => 1, 'MEDIUMBLOB' => 1, + 'MEDIUMTEXT' => 1, 'OPTIONALLY' => 1, 'READ_WRITE' => 1, + 'REFERENCES' => 1, 'SQLWARNING' => 1, 'TERMINATED' => 1, + 'YEAR_MONTH' => 1, 'DISTINCTROW' => 1, 'HOUR_MINUTE' => 1, 'HOUR_SECOND' => 1, 'INSENSITIVE' => 1, 'MASTER_BIND' => 1, 'CURRENT_DATE' => 1, 'CURRENT_TIME' => 1, 'CURRENT_USER' => 1, @@ -105,33 +133,118 @@ abstract class Context 'SQL_CALC_FOUND_ROWS' => 1, 'MASTER_SSL_VERIFY_SERVER_CERT' => 1, - /* - * Secondary group of keywords. - * - * Keywords below are either words that are used as keywords, but not - * defined as proper keywords or are group of keywords which are parsed - * easier when found grouped. - */ - - 'END' => 2, - 'INDEX' => 2, 'VALUE' => 2, - 'ENGINE' => 2, - 'CHARSET' => 2, 'COMMENT' => 2, 'RETURNS' => 2, 'STORAGE' => 2, - 'CHECKSUM' => 2, 'MAX_ROWS' => 2, 'MIN_ROWS' => 2, 'NOT NULL' => 2, - 'PASSWORD' => 2, - 'INDEX KEY' => 2, 'PACK_KEYS' => 2, - 'ROW_FORMAT' => 2, 'TABLESPACE' => 2, - 'UNIQUE KEY' => 2, - 'FOREIGN KEY' => 2, 'PRIMARY KEY' => 2, 'PRIMARY KEY' => 2, - 'SPATIAL KEY' => 2, - 'FULLTEXT KEY' => 2, 'UNIQUE INDEX' => 2, - 'CHARACTER SET' => 2, 'IF NOT EXISTS' => 2, 'INSERT_METHOD' => 2, - 'SPATIAL INDEX' => 2, - 'AUTO_INCREMENT' => 2, 'AVG_ROW_LENGTH' => 2, 'DATA DIRECTORY' => 2, - 'FULLTEXT INDEX' => 2, 'KEY_BLOCK_SIZE' => 2, - 'DEFAULT COLLATE' => 2, - 'DELAY_KEY_WRITE' => 2, 'INDEX DIRECTORY' => 2, - 'DEFAULT CHARACTER SET' => 2, + 'AT' => 2, 'DO' => 2, 'IO' => 2, 'NO' => 2, 'XA' => 2, + 'ANY' => 2, 'AVG' => 2, 'BIT' => 2, 'CPU' => 2, 'DAY' => 2, 'END' => 2, + 'IPC' => 2, 'NDB' => 2, 'NEW' => 2, 'ONE' => 2, 'ROW' => 2, 'XID' => 2, + 'XML' => 2, + 'BOOL' => 2, 'BYTE' => 2, 'CODE' => 2, 'CUBE' => 2, 'DATA' => 2, 'DATE' => 2, + 'DISK' => 2, 'ENDS' => 2, 'ENUM' => 2, 'FAST' => 2, 'FILE' => 2, 'FULL' => 2, + 'HASH' => 2, 'HELP' => 2, 'HOST' => 2, 'HOUR' => 2, 'LAST' => 2, 'LESS' => 2, + 'LIST' => 2, 'LOGS' => 2, 'MODE' => 2, 'NAME' => 2, 'NEXT' => 2, 'NONE' => 2, + 'ONLY' => 2, 'OPEN' => 2, 'PAGE' => 2, 'PORT' => 2, 'PREV' => 2, 'ROWS' => 2, + 'SLOW' => 2, 'SOME' => 2, 'STOP' => 2, 'TEXT' => 2, 'THAN' => 2, 'TIME' => 2, + 'TYPE' => 2, 'USER' => 2, 'VIEW' => 2, 'WAIT' => 2, 'WEEK' => 2, 'WORK' => 2, + 'X509' => 2, 'YEAR' => 2, + 'AFTER' => 2, 'ASCII' => 2, 'BEGIN' => 2, 'BLOCK' => 2, 'BTREE' => 2, + 'CACHE' => 2, 'CHAIN' => 2, 'CLOSE' => 2, 'ERROR' => 2, 'EVENT' => 2, + 'EVERY' => 2, 'FIRST' => 2, 'FIXED' => 2, 'FLUSH' => 2, 'FOUND' => 2, + 'HOSTS' => 2, 'LEVEL' => 2, 'LOCAL' => 2, 'LOCKS' => 2, 'MERGE' => 2, + 'MONTH' => 2, 'MUTEX' => 2, 'NAMES' => 2, 'NCHAR' => 2, 'NEVER' => 2, + 'OWNER' => 2, 'PHASE' => 2, 'POINT' => 2, 'PROXY' => 2, 'QUERY' => 2, + 'QUICK' => 2, 'RELAY' => 2, 'RESET' => 2, 'RTREE' => 2, 'SHARE' => 2, + 'SLAVE' => 2, 'START' => 2, 'SUPER' => 2, 'SWAPS' => 2, 'TYPES' => 2, + 'UNTIL' => 2, 'VALUE' => 2, + 'ACTION' => 2, 'ALWAYS' => 2, 'BACKUP' => 2, 'BINLOG' => 2, 'CIPHER' => 2, + 'CLIENT' => 2, 'COMMIT' => 2, 'ENABLE' => 2, 'ENGINE' => 2, 'ERRORS' => 2, + 'ESCAPE' => 2, 'EVENTS' => 2, 'EXPIRE' => 2, 'EXPORT' => 2, 'FAULTS' => 2, + 'FIELDS' => 2, 'FILTER' => 2, 'FORMAT' => 2, 'GLOBAL' => 2, 'GRANTS' => 2, + 'IMPORT' => 2, 'ISSUER' => 2, 'LEAVES' => 2, 'MASTER' => 2, 'MEDIUM' => 2, + 'MEMORY' => 2, 'MINUTE' => 2, 'MODIFY' => 2, 'NUMBER' => 2, 'OFFSET' => 2, + 'PARSER' => 2, 'PLUGIN' => 2, 'RELOAD' => 2, 'REMOVE' => 2, 'REPAIR' => 2, + 'RESUME' => 2, 'ROLLUP' => 2, 'SECOND' => 2, 'SERIAL' => 2, 'SERVER' => 2, + 'SIGNED' => 2, 'SIMPLE' => 2, 'SOCKET' => 2, 'SONAME' => 2, 'SOUNDS' => 2, + 'SOURCE' => 2, 'STARTS' => 2, 'STATUS' => 2, 'STRING' => 2, 'TABLES' => 2, + 'ACCOUNT' => 2, 'AGAINST' => 2, 'ANALYSE' => 2, 'BOOLEAN' => 2, 'CHANGED' => 2, + 'CHANNEL' => 2, 'CHARSET' => 2, 'COLUMNS' => 2, 'COMMENT' => 2, 'COMPACT' => 2, + 'CONTEXT' => 2, 'CURRENT' => 2, 'DEFINER' => 2, 'DISABLE' => 2, 'DISCARD' => 2, + 'DYNAMIC' => 2, 'ENGINES' => 2, 'EXECUTE' => 2, 'FOLLOWS' => 2, 'GENERAL' => 2, + 'HANDLER' => 2, 'INDEXES' => 2, 'INSTALL' => 2, 'INVOKER' => 2, 'LOGFILE' => 2, + 'MIGRATE' => 2, 'NO_WAIT' => 2, 'OPTIONS' => 2, 'PARTIAL' => 2, 'PLUGINS' => 2, + 'POLYGON' => 2, 'PREPARE' => 2, 'PROFILE' => 2, 'QUARTER' => 2, 'REBUILD' => 2, + 'RECOVER' => 2, 'RESTORE' => 2, 'RETURNS' => 2, 'REVERSE' => 2, 'ROUTINE' => 2, + 'SESSION' => 2, 'STACKED' => 2, 'STORAGE' => 2, 'SUBJECT' => 2, 'SUSPEND' => 2, + 'UNICODE' => 2, 'UNKNOWN' => 2, 'UPGRADE' => 2, 'USE_FRM' => 2, 'WITHOUT' => 2, + 'WRAPPER' => 2, + 'CASCADED' => 2, 'CHECKSUM' => 2, 'COALESCE' => 2, 'CONTAINS' => 2, + 'DATAFILE' => 2, 'DATETIME' => 2, 'DUMPFILE' => 2, 'EXCHANGE' => 2, + 'EXTENDED' => 2, 'FUNCTION' => 2, 'GEOMETRY' => 2, 'LANGUAGE' => 2, + 'MAX_ROWS' => 2, 'MAX_SIZE' => 2, 'MIN_ROWS' => 2, 'NATIONAL' => 2, + 'NVARCHAR' => 2, 'PASSWORD' => 2, 'PRECEDES' => 2, 'PRESERVE' => 2, + 'PROFILES' => 2, 'REDOFILE' => 2, 'RELAYLOG' => 2, 'ROLLBACK' => 2, + 'SCHEDULE' => 2, 'SECURITY' => 2, 'SHUTDOWN' => 2, 'SNAPSHOT' => 2, + 'SWITCHES' => 2, 'TRIGGERS' => 2, 'TRUNCATE' => 2, 'UNDOFILE' => 2, + 'WARNINGS' => 2, + 'AGGREGATE' => 2, 'ALGORITHM' => 2, 'COLLATION' => 2, 'COMMITTED' => 2, + 'DIRECTORY' => 2, 'DUPLICATE' => 2, 'EXPANSION' => 2, 'IO_THREAD' => 2, + 'ISOLATION' => 2, 'NODEGROUP' => 2, 'PACK_KEYS' => 2, 'READ_ONLY' => 2, + 'REDUNDANT' => 2, 'ROW_COUNT' => 2, 'SAVEPOINT' => 2, 'SQL_CACHE' => 2, + 'TEMPORARY' => 2, 'TEMPTABLE' => 2, 'TIMESTAMP' => 2, 'UNDEFINED' => 2, + 'UNINSTALL' => 2, 'VARIABLES' => 2, + 'COMPLETION' => 2, 'COMPRESSED' => 2, 'CONCURRENT' => 2, 'CONNECTION' => 2, + 'CONSISTENT' => 2, 'DEALLOCATE' => 2, 'GET_FORMAT' => 2, 'IDENTIFIED' => 2, + 'LINESTRING' => 2, 'MASTER_SSL' => 2, 'MULTIPOINT' => 2, 'NDBCLUSTER' => 2, + 'PARTITIONS' => 2, 'PLUGIN_DIR' => 2, 'PRIVILEGES' => 2, 'REORGANIZE' => 2, + 'REPEATABLE' => 2, 'ROW_FORMAT' => 2, 'SQL_THREAD' => 2, 'TABLESPACE' => 2, + 'TABLE_NAME' => 2, 'VALIDATION' => 2, + 'COLUMN_NAME' => 2, 'COMPRESSION' => 2, 'CURSOR_NAME' => 2, 'DIAGNOSTICS' => 2, + 'EXTENT_SIZE' => 2, 'MASTER_HOST' => 2, 'MASTER_PORT' => 2, 'MASTER_USER' => 2, + 'MICROSECOND' => 2, 'MYSQL_ERRNO' => 2, 'NONBLOCKING' => 2, 'PROCESSLIST' => 2, + 'REPLICATION' => 2, 'SCHEMA_NAME' => 2, 'SQL_TSI_DAY' => 2, 'TRANSACTION' => 2, + 'UNCOMMITTED' => 2, + 'CATALOG_NAME' => 2, 'CLASS_ORIGIN' => 2, 'DEFAULT_AUTH' => 2, + 'DES_KEY_FILE' => 2, 'INITIAL_SIZE' => 2, 'MASTER_DELAY' => 2, + 'MESSAGE_TEXT' => 2, 'MULTIPOLYGON' => 2, 'OLD_PASSWORD' => 2, + 'PARTITIONING' => 2, 'RELAY_THREAD' => 2, 'SERIALIZABLE' => 2, + 'SQL_NO_CACHE' => 2, 'SQL_TSI_HOUR' => 2, 'SQL_TSI_WEEK' => 2, + 'SQL_TSI_YEAR' => 2, 'SUBPARTITION' => 2, 'TIMESTAMPADD' => 2, + 'COLUMN_FORMAT' => 2, 'INSERT_METHOD' => 2, 'MASTER_SSL_CA' => 2, + 'RELAY_LOG_POS' => 2, 'SQL_TSI_MONTH' => 2, 'SUBPARTITIONS' => 2, + 'TIMESTAMPDIFF' => 2, 'WEIGHT_STRING' => 2, + 'AUTO_INCREMENT' => 2, 'AVG_ROW_LENGTH' => 2, 'KEY_BLOCK_SIZE' => 2, + 'MASTER_LOG_POS' => 2, 'MASTER_SSL_CRL' => 2, 'MASTER_SSL_KEY' => 2, + 'RELAY_LOG_FILE' => 2, 'SQL_TSI_MINUTE' => 2, 'SQL_TSI_SECOND' => 2, + 'TABLE_CHECKSUM' => 2, 'USER_RESOURCES' => 2, + 'AUTOEXTEND_SIZE' => 2, 'CONSTRAINT_NAME' => 2, 'DELAY_KEY_WRITE' => 2, + 'FILE_BLOCK_SIZE' => 2, 'MASTER_LOG_FILE' => 2, 'MASTER_PASSWORD' => 2, + 'MASTER_SSL_CERT' => 2, 'MULTILINESTRING' => 2, 'PARSE_GCOL_EXPR' => 2, + 'REPLICATE_DO_DB' => 2, 'SQL_AFTER_GTIDS' => 2, 'SQL_TSI_QUARTER' => 2, + 'SUBCLASS_ORIGIN' => 2, + 'MASTER_SERVER_ID' => 2, 'REDO_BUFFER_SIZE' => 2, 'SQL_BEFORE_GTIDS' => 2, + 'STATS_PERSISTENT' => 2, 'UNDO_BUFFER_SIZE' => 2, + 'CONSTRAINT_SCHEMA' => 2, 'GROUP_REPLICATION' => 2, 'IGNORE_SERVER_IDS' => 2, + 'MASTER_SSL_CAPATH' => 2, 'MASTER_SSL_CIPHER' => 2, 'RETURNED_SQLSTATE' => 2, + 'SQL_BUFFER_RESULT' => 2, 'STATS_AUTO_RECALC' => 2, + 'CONSTRAINT_CATALOG' => 2, 'GEOMETRYCOLLECTION' => 2, 'MASTER_RETRY_COUNT' => 2, + 'MASTER_SSL_CRLPATH' => 2, 'MAX_STATEMENT_TIME' => 2, 'REPLICATE_DO_TABLE' => 2, + 'SQL_AFTER_MTS_GAPS' => 2, 'STATS_SAMPLE_PAGES' => 2, + 'REPLICATE_IGNORE_DB' => 2, + 'MASTER_AUTO_POSITION' => 2, 'MASTER_CONNECT_RETRY' => 2, + 'MAX_QUERIES_PER_HOUR' => 2, 'MAX_UPDATES_PER_HOUR' => 2, + 'MAX_USER_CONNECTIONS' => 2, 'REPLICATE_REWRITE_DB' => 2, + 'REPLICATE_IGNORE_TABLE' => 2, + 'MASTER_HEARTBEAT_PERIOD' => 2, 'REPLICATE_WILD_DO_TABLE' => 2, + 'MAX_CONNECTIONS_PER_HOUR' => 2, + 'REPLICATE_WILD_IGNORE_TABLE' => 2, + + 'NOT NULL' => 4, + 'INDEX KEY' => 4, + 'UNIQUE KEY' => 4, + 'FOREIGN KEY' => 4, 'PRIMARY KEY' => 4, 'PRIMARY KEY' => 4, 'SPATIAL KEY' => 4, + 'FULLTEXT KEY' => 4, 'UNIQUE INDEX' => 4, + 'CHARACTER SET' => 4, 'IF NOT EXISTS' => 4, 'SPATIAL INDEX' => 4, + 'DATA DIRECTORY' => 4, 'FULLTEXT INDEX' => 4, + 'DEFAULT COLLATE' => 4, 'INDEX DIRECTORY' => 4, + 'DEFAULT CHARACTER SET' => 4, ); // ------------------------------------------------------------------------- @@ -309,19 +422,24 @@ abstract class Context * Checks if the given string is a keyword. * * @param string $str - * @param bool $strict + * @param bool $isReserved * * @return bool */ - public static function isKeyword($str, $strict = false) + public static function isKeyword($str, $isReserved = false) { $str = strtoupper($str); if (isset(static::$KEYWORDS[$str])) { - return $strict ? static::$KEYWORDS[$str] === 1 : true; + if ($isReserved) { + if (!(static::$KEYWORDS[$str] & Token::FLAG_KEYWORD_RESERVED)) { + return null; + } + } + return static::$KEYWORDS[$str]; } - return false; + return null; } // ------------------------------------------------------------------------- @@ -474,4 +592,27 @@ abstract class Context { return !ctype_alnum($ch) && $ch !== '_'; } + + /** + * Loads the specified context. + * + * Contexts may be used by accessing the context directly. + * + * @param string $context + */ + public static function load($context = '') { + if (empty($context)) { + $context = self::$defaultContext; + } + if ($context[0] !== '\\') { + // Short context name (must be formatted into class name). + $context = '\\SqlParser\\Contexts\\Context_' . $context; + } + if (!class_exists($context)) { + throw new \Exception('Specified context ("' . $context . '") doesn\'t exist.'); + } + static::$loadedContext = $context; + static::$KEYWORDS = $context::$KEYWORDS; + } + } |