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comparison Schema/query.def @ 0:03e58a454b20

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Создан репозитарий
author Sergey
date Tue, 14 Jul 2009 12:54:37 +0400
parents
children 16ada169ca75
comparison
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-1:000000000000 0:03e58a454b20
1 syntax ::= select expr_list from var_defs where condition
2
3 name ::= <\w>+
4
5 fqdn ::= name[.name...]
6
7 string ::= '[{<^'>+|<'>{2}}...]'
8
9 number ::= [{+|-}] <\d>+
10
11 math_op ::= {+|-|*|/}
12
13 compare_op ::= {<\>>|<\<>|==|!=}
14
15 log_op ::= {OR|AND}
16
17 not_op ::= NOT
18
19 expr ::= {string|number|fqdn} [math_op {string|number|fqdn|( expr )} ...]
20
21 expr_list ::= expr [, expr ...]
22
23 type ::= name [<\<>type [, type ...]<\>>]
24
25 condition ::= [not_op] expr compare_op expr [log_op {condition|( condition )} ...]
26
27 var_defs ::= name as type [, name as type ...]