IBM Enterprise Console manual Class Definition Statement File Syntax Diagrams

Class Definition Statement File Syntax Diagrams

This section describes the syntax for statements allowed within a CDS file. The syntax is shown in BNF-like notation where the vertical bar () character represents alternatives, and optional parts are contained within braces ({}).

*

*FILE CONTENT

*/

<file> ::= <statements> /* empty */ <statements> ::=

<statement>

<statement> <statements>

<statement> ::= <mapdefault_statement>

<class_statement>

/*

*MAP_DEFAULT STATEMENT

*/

<mapdefault_statement> ::=

MAP DEFAULT <mapdef_statements>

END

<mapdef_statements> ::= <mapdef_statement>

<mapdef_statement> <mapdef_statements>

<mapdef_Statement> ::= <attribute_name> ’=’ <constant> ’;’

<attribute_name> ’=’ <keyword> ’;’ <attribute_name> ::+ <atom>

/*
*	CLASS STATEMENT
*/
<class_statement> ::=
	CLASS <class_name>
{	SELECT
	<select_statements>			}
{	FETCH
	<fetch_statements>			}
{	MAP
	<map_statements>			}
	END
<class_name> ::+
	*DISCARD*
	<atom>
/*
*	SELECT STATEMENT
*/
<select_statements> ::=
	<select_statement>
	<select_statement> <select_statements>
<select_statement> ::=
	<number>		’:’ <attr_decl>
	{	’,’ <key_decl>		}
	{	’,’ <value_decl>		}
	’;’
	<number>		’:’ <keyword> ’=’ <v_op_val> ’;"
	<number>		’:’ <constant> ’=’ <v_op_val> ’;’

<attr_decl> ::=

ATTR ’(’ <a_op> ’,’ <a_op_val> ’)’

Appendix C. Class Definition Statement File Reference 161