-------------------------------------------------------------------------------
-- For more information on the form of the LPG inputs, see the LPG Version 3.0
-- User's Guide (available from Philippe G. Charles of IBM Yorktown).
--
-------------------------------------------------------------------------------
%options escape=$
%options table=java
%options action=("SQLQueryEXTENSIONParser.java", "/.", "./")
%options fp=SQLQueryEXTENSIONParser,prefix=TK_
%options error-maps
%options scopes
%options margin=8
--%options noshift_default
%options shift_default
%options nogoto_default
%options single-productions
%options noserialize  --serialize for large grammar (65k+), makes it faster after load overhead, creates a .dcl file in dat directory
--%options serialize  --serialize for large grammar (65k+), makes it faster after load overhead, creates a .dcl file in dat directory
--%options dat_directory="../../../../../.." --TODO change path
--%options stream-type=TokenStream
%options ParseTable=lpg.lpgjavaruntime.ParseTable
%options package=com.ibm.db.parsers.sql.query.EXTENSION
%options template=sqlparserTemplate.lpg
--%options import_terminals=sqlquerylexer.lpg

-- when use soft-keywords lookahead is forced to be 1 and don't use backtrack option
%options soft-keywords
%options LALR=4
%options backtrack


-------------------------------------------------------------------------------
-- import declarations for generated parser
-------------------------------------------------------------------------------

$Define

	$parser_base_class
	/. com.ibm.db.parsers.sql.query.AbstractSQLQueryParser ./

$End


-------------------------------------------------------------------------------
-- Type mapping imported, return types of factory methods/AST types
-------------------------------------------------------------------------------

$include sqlqueryparserTypes.lpg		-- inherited grammar types
$include sqlQueryEXTENSIONParserTypes.lpg


------------------------------------------------------------------------------
-- Alias definitions imported
------------------------------------------------------------------------------

$include sqlQueryEXTENSIONParserAlias.lpg


-------------------------------------------------------------------------------
-- Base grammar rules imported
-------------------------------------------------------------------------------

$import sqlqueryparserRules.lpg

-------------------------------------------------------------------------------
-- Include rules that extend base grammar
-------------------------------------------------------------------------------

$include sqlQueryEXTENSIONParserRules.lpg


-------------------------------------------------------------------------------
-- Tail of Semantic Action Procedure (sqlnp_smactn)
-------------------------------------------------------------------------------

-------------------------------------------------------------------------------
-- Substitution strings (inserts into error messages)
-------------------------------------------------------------------------------
$NAMES

   <expression> ::= 'expression'
   EOF          ::= 'END-OF-COMMANDS'
   PARSE_ERROR  ::= 'Valid token'
   LEFT_PAREN   ::= '('
   RIGHT_PAREN  ::= ')'
   DOUBLE_QUOTE ::= '"'
--    PERCENT      ::=  '%'
--    AMPERSAND    ::= '&'
   QUOTE        ::= ''''
   ASTERISK     ::= '*'
   PLUS_SIGN    ::= '+'
   COMMA        ::= ','
   MINUS_SIGN   ::= '-'
   PERIOD       ::= '.'
   SOLIDUS      ::= '/'
   COLON        ::= ':'                                    -- @d124889gus begin
   SEMICOLON    ::= ';'
   LESS_THAN_OPERATOR    ::= '<'
   EQUALS_OPERATOR       ::= '='
   GREATER_THAN_OPERATOR ::= '>'
   QUESTION_MARK ::= '?'
--    LEFT_BRACKET  ::= '['                                  -- @f95756rps
--    RIGHT_BRACKET ::= ']'                                  -- @f95756rps
--    UNDERSCORE    ::= '_'
--    VERTICAL_BAR  ::= '|'
   NOT_EQUALS_OPERATOR             ::= '<>'
   GREATER_THAN_OR_EQUALS_OPERATOR ::= '>='
   LESS_THAN_OR_EQUALS_OPERATOR    ::= '<='
   CONCAT_OPERATOR ::= '||'
   DOUBLE_PERIOD   ::= '..'
                                                          -- OSF_RT-BV-B 960906
   RIGHT_ARROW     ::= '->'
                                                          -- OSF_RT-BV-E 960906
--   _FOREIGNKEY ::= 'FOREIGN KEY'
--   _PRIMARYKEY ::= 'PRIMARY KEY'


$END


$KEYWORDS

--------------------------------------------
-- Keywords/Reserved Word list - included --
--------------------------------------------
$include  sqlQueryEXTENSIONNonreservedKeywords.lpg

$END


-------------------------------------------------------
-- Token kind of identifiers for softkeyword support --
-------------------------------------------------------
$IDENTIFIER
	REGULAR_IDENTIFIER
$END