package scala.dbc2.syntax

import statement.AnyValueDef._

object TokenVal extends Enumeration {
	type TokenValue	= Value
	
	def anyValueToTokenValue(anyValue: AnyValue): TokenValue = anyValue match {
		case AnyValue(Some(s), None) => STRING
		case AnyValue(None, Some(a)) => a match {
							case s: Short => SMALLINT
							case i: Int => INTEGER
							case l: Long => BIGINT
							case f: Float => REAL
							case d: Double => DOUBLE
						}
		case _ => BAD
	}
	
	//Keywords
	val CONSTRAINT	= Value("CONSTRAINT")
	val AS			= Value("AS")
	val OF			= Value("OF")
	val IS			= Value("IS")
	val IN			= Value("IN")
	val WITH		= Value("WITH")
	val NO			= Value("NO")
	val DATA		= Value("DATA")
	val DEFAULT = Value("DEFAULT")
	val NULLVAL	= Value("NULL")
	val CAST		= Value("CAST")
	val UNION		= Value("UNION")
	val EXCEPT	= Value("EXCEPT")
	val INTERSECT	= Value("INTERSECT")
	val PRECISION = Value("PRECISION")
	val BETWEEN	= Value("BETWEEN")
	val LOCAL		= Value("LOCAL")
	val GLOBAL	= Value("GLOBAL")
	val TEMPORARY = Value("TEMPORARY")
	val SET			= Value("SET")
	
	//Functions
	val COUNT		= Value("COUNT")
	val AVG			= Value("AVG")
	val MIN			= Value("MIN")
	val MAX			= Value("MAX")
	val SUM			= Value("SUM")
	val EVERY		= Value("EVERY")
	val ANY			= Value("ANY")
	val SOME		= Value("SOME")
	val FILTER	= Value("FILTER")
	
	val NULL		= Value("NULL")
	val UNIQUE	= Value("UNIQUE")
	val PRIMARY	= Value("PRIMARY")
	val KEY			= Value("KEY")
	val FOREIGN	= Value("FOREIGN")
	val REFERENCES = Value("REFERENCES")
	val CHECK		= Value("CHECK")
	
	val PERIOD	= Value(".")
	val COMMA		= Value(",")
	
	
	val CREATE	= Value("CREATE")
	val TABLE		= Value("TABLE")
	val UPDATE	= Value("UPDATE")
	val DELETE	= Value("DELETE")
	val FROM		= Value("FROM")
	val WHERE		= Value("WHERE")
	val DROP		= Value("DROP")
	val CASCADE = Value("CASCADE")
	val RESTRICT = Value("RESTRICT")
	val INSERT	= Value("INSERT")
	val INTO		= Value("INTO")
	val VALUES	= Value("VALUES")
	val SELECT	= Value("SELECT")
	val GROUP		= Value("GROUP")
	val BY			= Value("BY")
	val HAVING	= Value("HAVING")
	val ALL			= Value("ALL")
	val DISTINCT = Value("DISTINCT")
	
	val INNER		= Value("INNER")
	val OUTER		= Value("OUTER")
	val LEFT		= Value("LEFT")
	val RIGHT		= Value("RIGHT")
	val FULL		= Value("FULL")
	val JOIN		= Value("JOIN")
	
	
	//Different DataType
	val NUMERIC	= Value("NUMERIC")
	val BOOLEAN	= Value("BOOLEAN")
	val DECIMAL	= Value("DECIMAL")
	val SMALLINT= Value("SMALLINT")
	val INTEGER	= Value("INTEGER")
	val BIGINT	= Value("BIGINT")
	val REAL		= Value("REAL")
	val DOUBLE	= Value("DOUBLE")
	val STRING	= Value("STRING")
	val CHARACTER = Value("CHARACTER")
	val VARYING	= Value("VARYING")
	val LARGE		= Value("LARGE")
	val OBJECT	= Value("OBJECT")
	val SYMBOL	= Value("SYMBOL")
	
	
	val GT			= Value(">")
	val GE			= Value(">=")
	val LT			= Value("<")
	val LE			= Value("<=")
	val EQ			= Value("=")
	val DIFF		= Value("<>")
	val AND			= Value("AND")
	val OR			= Value("OR")
	val NOT			= Value("NOT")
	
	val PLUS		= Value("+")
	val MINUS		= Value("-")
	val ASTERISK	= Value("*")
	val DIV			= Value("/")
	val CONCAT		= Value("||")
	
	val TRUE		= Value("TRUE")
	val FALSE		= Value("FALSE")
	val UNKNOWN 	= Value("UNKNOWN")
	
	val LPAREN		= Value("(")
	val RPAREN		= Value(")")
	
	val BAD			= Value("BAD")
}