First Commit
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@@ -0,0 +1,342 @@
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ABS = "abs" .
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ABSTRACT = "abstract" .
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ACOS = "acos" .
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AGGREGATE = "aggregate" .
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ALIAS = "alias" .
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AND = "and" .
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ANDOR = "andor" .
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ARRAY = "array" .
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AS = "as" .
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ASIN = "asin" .
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ATAN = "atan" .
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BAG = "bag" .
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BASED_ON = "based_on" .
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BEGIN = "begin" .
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BINARY = "binary" .
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BLENGTH = "blength" .
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BOOLEAN = "boolean" .
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BY = "by" .
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CASE = "case" .
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CONSTANT = "constant" .
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CONST_E = "const_e" .
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COS = "cos" .
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DERIVE = "derive" .
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DIV = "div" .
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ELSE = "else" .
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END = "end" .
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END_ALIAS = "end_alias" .
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END_CASE = "end_case" .
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END_CONSTANT = "end_constant" .
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END_ENTITY = "end_entity" .
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END_FUNCTION = "end_function" .
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END_IF = "end_if" .
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END_LOCAL = "end_local" .
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END_PROCEDURE = "end_procedure" .
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END_REPEAT = "end_repeat" .
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END_RULE = "end_rule" .
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END_SCHEMA = "end_schema" .
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END_SUBTYPE_CONSTRAINT = "end_subtype_constraint" .
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END_TYPE = "end_type" .
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ENTITY = "entity" .
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ENUMERATION = "enumeration" .
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ESCAPE = "escape" .
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EXISTS = "exists" .
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EXTENSIBLE = "extensible" .
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EXP = "exp" .
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FALSE = "false" .
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FIXED = "fixed" .
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FOR = "for" .
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FORMAT = "format" .
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FROM = "from" .
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FUNCTION = "function" .
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GENERIC = "generic" .
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GENERIC_ENTITY = "generic_entity" .
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HIBOUND = "hibound" .
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HIINDEX = "hiindex" .
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IF = "if" .
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IN = "in" .
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INSERT = "insert" .
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INTEGER = "integer" .
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INVERSE = "inverse" .
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LENGTH = "length" .
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LIKE = "like" .
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LIST = "list" .
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LOBOUND = "lobound" .
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LOCAL = "local" .
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LOG = "log" .
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LOG10 = "log10" .
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LOG2 = "log2" .
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LOGICAL = "logical" .
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LOINDEX = "loindex" .
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MOD = "mod" .
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NOT = "not" .
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NUMBER = "number" .
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NVL = "nvl" .
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ODD = "odd" .
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OF = "of" .
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ONEOF = "oneof" .
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OPTIONAL = "optional" .
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OR = "or" .
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OTHERWISE = "otherwise" .
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PI = "pi" .
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PROCEDURE = "procedure" .
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QUERY = "query" .
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REAL = "real" .
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REFERENCE = "reference" .
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REMOVE = "remove" .
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RENAMED = "renamed" .
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REPEAT = "repeat" .
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RETURN = "return" .
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ROLESOF = "rolesof" .
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RULE = "rule" .
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SCHEMA = "schema" .
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SELECT = "select" .
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SELF = "self" .
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SET = "set" .
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SIN = "sin" .
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SIZEOF = "sizeof" .
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SKIP = "skip" .
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SQRT = "sqrt" .
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STRING = "string" .
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SUBTYPE = "subtype" .
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SUBTYPE_CONSTRAINT = "subtype_constraint" .
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SUPERTYPE = "supertype" .
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TAN = "tan" .
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THEN = "then" .
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TO = "to" .
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TOTAL_OVER = "total_over" .
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TRUE = "true" .
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TYPE = "type" .
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TYPEOF = "typeof" .
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UNIQUE = "unique" .
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UNKNOWN = "unknown" .
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UNTIL = "until" .
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USE = "use" .
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USEDIN = "usedin" .
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VALUE = "value" .
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VALUE_IN = "value_in" .
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VALUE_UNIQUE = "value_unique" .
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VAR = "var" .
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WHERE = "where" .
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WHILE = "while" .
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WITH = "with" .
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XOR = "xor" .
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bit = "0" | "1" .
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digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" .
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digits = digit { digit } .
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encoded_character = octet octet octet octet .
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hex_digit = digit | "a" | "b" | "c" | "d" | "e" | "f" .
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letter = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z" .
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lparen_then_not_lparen_star = "(" { "(" } not_lparen_star { not_lparen_star } .
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not_lparen_star = not_paren_star | ")" .
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not_paren_star = letter | digit | not_paren_star_special .
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not_paren_star_quote_special = "!" | "#" | "$" | "%" | "&" | "+" | "," | "-" | "." | "/" | ":" | ";" | "<" | "=" | ">" | "?" | "@" | "[" | "\\" | "]" | "^" | "_" | "{" | "|" | "}" | "~" .
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not_paren_star_special = not_paren_star_quote_special | "\"\"" .
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not_quote = not_paren_star_quote_special | letter | digit | "(" | ")" | "*" .
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not_rparen_star = not_paren_star | "(" .
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octet = hex_digit hex_digit .
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special = not_paren_star_quote_special | "(" | ")" | "*" | "\"\"" .
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not_rparen_star_then_rparen = not_rparen_star { not_rparen_star } ")" { ")" } .
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binary_literal = "%" bit { bit } .
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encoded_string_literal = "\"" encoded_character { encoded_character } "\"" .
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integer_literal = digits .
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real_literal = ( digits "." [ digits ] [ "e" [ sign ] digits ] ) | integer_literal .
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simple_id = letter { letter | digit | "_" } .
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simple_string_literal = "'" { ( "'" "'" ) | not_quote } "'" .
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embedded_remark = "(*" [ remark_tag ] { ( not_paren_star { not_paren_star } ) | lparen_then_not_lparen_star | ( "*" { "*" } ) | not_rparen_star_then_rparen | embedded_remark } "*)" .
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remark = embedded_remark | tail_remark .
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remark_tag = "\"" remark_ref { "." remark_ref } "\"" .
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remark_ref = attribute_ref | constant_ref | entity_ref | enumeration_ref | function_ref | parameter_ref | procedure_ref | rule_label_ref | rule_ref | schema_ref | subtype_constraint_ref | type_label_ref | type_ref | variable_ref .
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tail_remark = "--" [ remark_tag ] .
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attribute_ref = attribute_id .
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constant_ref = constant_id .
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entity_ref = entity_id .
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enumeration_ref = enumeration_id .
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function_ref = function_id .
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parameter_ref = parameter_id .
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procedure_ref = procedure_id .
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rule_label_ref = rule_label_id .
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rule_ref = rule_id .
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schema_ref = schema_id .
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subtype_constraint_ref = subtype_constraint_id .
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type_label_ref = type_label_id .
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type_ref = type_id .
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variable_ref = variable_id .
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abstract_entity_declaration = ABSTRACT .
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abstract_supertype = ABSTRACT SUPERTYPE ";" .
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abstract_supertype_declaration = ABSTRACT SUPERTYPE [ subtype_constraint ] .
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actual_parameter_list = "(" [ parameter ] { "," parameter } ")" .
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add_like_op = "+" | "-" | OR | XOR .
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aggregate_initializer = "[" [ element { "," element } ] "]" .
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aggregate_source = simple_expression .
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aggregate_type = AGGREGATE [ ":" type_label ] OF parameter_type .
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aggregation_types = array_type | bag_type | list_type | set_type .
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algorithm_head = { declaration } [ constant_decl ] [ local_decl ] .
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alias_stmt = ALIAS variable_id FOR general_ref { qualifier } ";" stmt { stmt } END_ALIAS ";" .
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array_type = ARRAY bound_spec OF [ OPTIONAL ] [ UNIQUE ] instantiable_type .
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assignment_stmt = general_ref { qualifier } ":=" expression ";" .
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attribute_decl = redeclared_attribute | attribute_id .
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attribute_id = simple_id .
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attribute_qualifier = "." attribute_ref .
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bag_type = BAG [ bound_spec ] OF instantiable_type .
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binary_type = BINARY [ width_spec ] .
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boolean_type = BOOLEAN .
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bound_1 = numeric_expression .
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bound_2 = numeric_expression .
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bound_spec = "[" bound_1 ":" bound_2 "]" .
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built_in_constant = CONST_E | PI | SELF | "?" .
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built_in_function = ABS | ACOS | ASIN | ATAN | BLENGTH | COS | EXISTS | EXP | FORMAT | HIBOUND | HIINDEX | LENGTH | LOBOUND | LOINDEX | LOG | LOG2 | LOG10 | NVL | ODD | ROLESOF | SIN | SIZEOF | SQRT | TAN | TYPEOF | USEDIN | VALUE | VALUE_IN | VALUE_UNIQUE .
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built_in_procedure = INSERT | REMOVE .
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case_action = case_label { "," case_label } ":" stmt .
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case_label = expression .
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case_stmt = CASE selector OF { case_action } [ OTHERWISE ":" stmt ] END_CASE ";" .
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compound_stmt = BEGIN stmt { stmt } END ";" .
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concrete_types = aggregation_types | simple_types | type_ref .
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constant_body = constant_id ":" instantiable_type ":=" expression ";" .
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constant_decl = CONSTANT constant_body { constant_body } END_CONSTANT ";" .
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constant_factor = built_in_constant | constant_ref .
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constant_id = simple_id .
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constructed_types = enumeration_type | select_type .
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declaration = entity_decl | function_decl | procedure_decl | subtype_constraint_decl | type_decl .
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derived_attr = attribute_decl ":" parameter_type ":=" expression ";" .
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derive_clause = DERIVE derived_attr { derived_attr } .
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domain_rule = [ rule_label_id ":" ] expression .
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element = expression [ ":" repetition ] .
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entity_body = { explicit_attr } [ derive_clause ] [ inverse_clause ] [ unique_clause ] [ where_clause ] .
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entity_constructor = entity_ref "(" [ expression { "," expression } ] ")" .
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entity_decl = entity_head entity_body END_ENTITY ";" .
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entity_head = ENTITY entity_id subsuper ";" .
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entity_id = simple_id .
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enumeration_extension = BASED_ON type_ref [ WITH enumeration_items ] .
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enumeration_id = simple_id .
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enumeration_items = "(" enumeration_id { "," enumeration_id } ")" .
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enumeration_reference = [ type_ref "." ] enumeration_ref .
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enumeration_type = [ EXTENSIBLE ] ENUMERATION [ ( OF enumeration_items ) | enumeration_extension ] .
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escape_stmt = ESCAPE ";" .
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explicit_attr = attribute_decl { "," attribute_decl } ":" [ OPTIONAL ] parameter_type ";" .
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expression = simple_expression [ rel_op_extended simple_expression ] .
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factor = simple_factor [ "**" simple_factor ] .
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formal_parameter = parameter_id { "," parameter_id } ":" parameter_type .
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function_call = ( built_in_function | function_ref ) actual_parameter_list .
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function_decl = function_head algorithm_head stmt { stmt } END_FUNCTION ";" .
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function_head = FUNCTION function_id [ "(" formal_parameter { ";" formal_parameter } ")" ] ":" parameter_type ";" .
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function_id = simple_id .
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generalized_types = aggregate_type | general_aggregation_types | generic_entity_type | generic_type .
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general_aggregation_types = general_array_type | general_bag_type | general_list_type | general_set_type .
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general_array_type = ARRAY [ bound_spec ] OF [ OPTIONAL ] [ UNIQUE ] parameter_type .
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general_bag_type = BAG [ bound_spec ] OF parameter_type .
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general_list_type = LIST [ bound_spec ] OF [ UNIQUE ] parameter_type .
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general_ref = parameter_ref | variable_ref .
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general_set_type = SET [ bound_spec ] OF parameter_type .
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generic_entity_type = GENERIC_ENTITY [ ":" type_label ] .
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generic_type = GENERIC [ ":" type_label ] .
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group_qualifier = "\\" entity_ref .
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if_stmt = IF logical_expression THEN stmt { stmt } [ ELSE stmt { stmt } ] END_IF ";" .
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increment = numeric_expression .
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increment_control = variable_id ":=" bound_1 TO bound_2 [ BY increment ] .
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index = numeric_expression .
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index_1 = index .
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index_2 = index .
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index_qualifier = "[" index_1 [ ":" index_2 ] "]" .
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instantiable_type = concrete_types | entity_ref .
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integer_type = INTEGER .
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interface_specification = reference_clause | use_clause .
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interval = "{" interval_low interval_op interval_item interval_op interval_high "}" .
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interval_high = simple_expression .
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interval_item = simple_expression .
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interval_low = simple_expression .
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interval_op = "<=" | "<" .
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inverse_attr = attribute_decl ":" [ ( SET | BAG ) [ bound_spec ] OF ] entity_ref FOR [ entity_ref "." ] attribute_ref ";" .
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inverse_clause = INVERSE inverse_attr { inverse_attr } .
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list_type = LIST [ bound_spec ] OF [ UNIQUE ] instantiable_type .
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literal = binary_literal | logical_literal | real_literal | string_literal .
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local_decl = LOCAL local_variable { local_variable } END_LOCAL ";" .
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local_variable = variable_id { "," variable_id } ":" parameter_type [ ":=" expression ] ";" .
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logical_expression = expression .
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logical_literal = FALSE | TRUE | UNKNOWN .
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logical_type = LOGICAL .
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multiplication_like_op = "*" | "/" | DIV | MOD | AND | "||" .
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named_types = entity_ref | type_ref .
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named_type_or_rename = named_types [ AS ( entity_id | type_id ) ] .
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null_stmt = ";" .
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number_type = NUMBER .
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numeric_expression = simple_expression .
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one_of = ONEOF "(" supertype_expression { "," supertype_expression } ")" .
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parameter = expression .
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parameter_id = simple_id .
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parameter_type = generalized_types | simple_types | named_types .
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population = entity_ref .
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precision_spec = numeric_expression .
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primary = literal | ( qualifiable_factor { qualifier } ) .
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procedure_call_stmt = ( built_in_procedure | procedure_ref ) actual_parameter_list ";" .
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procedure_decl = procedure_head algorithm_head { stmt } END_PROCEDURE ";" .
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procedure_head = PROCEDURE procedure_id [ "(" [ VAR ] formal_parameter { ";" [ VAR ] formal_parameter } ")" ] ";" .
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procedure_id = simple_id .
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qualifiable_factor = function_call | attribute_ref | constant_factor | general_ref | population .
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qualified_attribute = SELF group_qualifier attribute_qualifier .
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qualifier = attribute_qualifier | group_qualifier | index_qualifier .
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query_expression = QUERY "(" variable_id "<*" aggregate_source "|" logical_expression ")" .
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real_type = REAL [ "(" precision_spec ")" ] .
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redeclared_attribute = qualified_attribute [ RENAMED attribute_id ] .
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referenced_attribute = attribute_ref | qualified_attribute .
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reference_clause = REFERENCE FROM schema_ref [ "(" resource_or_rename { "," resource_or_rename } ")" ] ";" .
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rel_op = "<=" | ">=" | "<>" | "=" | ":<>:" | ":=:" | "<" | ">" .
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rel_op_extended = rel_op | IN | LIKE .
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rename_id = constant_id | entity_id | function_id | procedure_id | type_id .
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repeat_control = [ increment_control ] [ while_control ] [ until_control ] .
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repeat_stmt = REPEAT repeat_control ";" stmt { stmt } END_REPEAT ";" .
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repetition = numeric_expression .
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resource_or_rename = resource_ref [ AS rename_id ] .
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resource_ref = constant_ref | entity_ref | function_ref | procedure_ref | type_ref .
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return_stmt = RETURN [ "(" expression ")" ] ";" .
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rule_decl = rule_head algorithm_head { stmt } where_clause END_RULE ";" .
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rule_head = RULE rule_id FOR "(" entity_ref { "," entity_ref } ")" ";" .
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rule_id = simple_id .
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rule_label_id = simple_id .
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schema_body = { interface_specification } [ constant_decl ] { declaration | rule_decl } .
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schema_decl = SCHEMA schema_id [ schema_version_id ] ";" schema_body END_SCHEMA ";" .
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schema_id = simple_id .
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schema_version_id = string_literal .
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selector = expression .
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select_extension = BASED_ON type_ref [ WITH select_list ] .
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select_list = "(" named_types { "," named_types } ")" .
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select_type = [ EXTENSIBLE [ GENERIC_ENTITY ] ] SELECT [ select_list | select_extension ] .
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set_type = SET [ bound_spec ] OF instantiable_type .
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sign = "+" | "-" .
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simple_expression = term { add_like_op term } .
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simple_factor = aggregate_initializer | interval | query_expression | ( [ unary_op ] ( "(" expression ")" | primary ) ) | entity_constructor | enumeration_reference .
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simple_types = binary_type | boolean_type | integer_type | logical_type | number_type | real_type | string_type .
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skip_stmt = SKIP ";" .
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stmt = alias_stmt | assignment_stmt | case_stmt | compound_stmt | escape_stmt | if_stmt | null_stmt | procedure_call_stmt | repeat_stmt | return_stmt | skip_stmt .
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string_literal = simple_string_literal | encoded_string_literal .
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string_type = STRING [ width_spec ] .
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subsuper = [ supertype_constraint ] [ subtype_declaration ] .
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subtype_constraint = OF "(" supertype_expression ")" .
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subtype_constraint_body = [ abstract_supertype ] [ total_over ] [ supertype_expression ";" ] .
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subtype_constraint_decl = subtype_constraint_head subtype_constraint_body END_SUBTYPE_CONSTRAINT ";" .
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subtype_constraint_head = SUBTYPE_CONSTRAINT subtype_constraint_id FOR entity_ref ";" .
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subtype_constraint_id = simple_id .
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subtype_declaration = SUBTYPE OF "(" entity_ref { "," entity_ref } ")" .
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supertype_constraint = abstract_supertype_declaration | abstract_entity_declaration | supertype_rule .
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supertype_expression = supertype_factor { ANDOR supertype_factor } .
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supertype_factor = supertype_term { AND supertype_term } .
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supertype_rule = SUPERTYPE subtype_constraint .
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supertype_term = one_of | "(" supertype_expression ")" | entity_ref .
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syntax = schema_decl { schema_decl } .
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term = factor { multiplication_like_op factor } .
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total_over = TOTAL_OVER "(" entity_ref { "," entity_ref } ")" ";" .
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type_decl = TYPE type_id "=" underlying_type ";" [ where_clause ] END_TYPE ";" .
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type_id = simple_id .
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type_label = type_label_id | type_label_ref .
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type_label_id = simple_id .
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unary_op = "+" | "-" | NOT .
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underlying_type = constructed_types | concrete_types .
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unique_clause = UNIQUE unique_rule ";" { unique_rule ";" } .
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unique_rule = [ rule_label_id ":" ] referenced_attribute { "," referenced_attribute } .
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until_control = UNTIL logical_expression .
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use_clause = USE FROM schema_ref [ "(" named_type_or_rename { "," named_type_or_rename } ")" ] ";" .
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variable_id = simple_id .
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where_clause = WHERE domain_rule ";" { domain_rule ";" } .
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while_control = WHILE logical_expression .
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width = numeric_expression .
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width_spec = "(" width ")" [ FIXED ] .
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