Grammar extracted by Vadim Zaytsev, see the Grammar Zoo entry for details: ada/ada95/laemmel-verhoef/extracted
Source used for this grammar: Ralf Lämmel, Chris Verhoef, Engineering of Grammarware. Browsable Ada 95 Grammar 1.0, December 2000 [Grammar]
pragma, pragma_argument_association, basic_declaration, defining_identifier, type_declaration, full_type_declaration, type_definition, subtype_declaration, subtype_indication, subtype_mark, constraint, scalar_constraint, composite_constraint, object_declaration, defining_identifier_list, number_declaration, derived_type_definition, range_constraint, range_definition, enumeration_type_definition, enumeration_literal_specification, defining_character_literal, integer_type_definition, signed_integer_type_definition, modular_type_definition, real_type_definition, floating_point_definition, real_range_specification, fixed_point_definition, ordinary_fixed_point_definition, decimal_fixed_point_definition, digits_constraint, array_type_definition, unconstrained_array_definition, index_subtype_definition, constrained_array_definition, discrete_subtype_definition, component_definition, index_constraint, discrete_range, discriminant_part, unknown_discriminant_part, known_discriminant_part, discriminant_specification, default_expression, discriminant_constraint, discriminant_association, record_type_definition, record_definition, component_list, component_item, component_declaration, variant_part, variant, discrete_choice_list, discrete_choice, record_extension_part, access_type_definition, access_to_object_definition, general_access_modifier, access_to_subprogram_definition, access_definition, incomplete_type_declaration, declarative_part, declarative_item, basic_declarative_item, body, proper_body, name, direct_name, prefix, explicit_dereference, implicit_dereference, indexed_component, slice, selected_component, selector_name, attribute_reference, attribute_designator, range_attribute_reference, range_attribute_designator, aggregate, record_aggregate, record_component_association_list, record_component_association, component_choice_list, extension_aggregate, ancestor_part, array_aggregate, positional_array_aggregate, named_array_aggregate, array_component_association, expression, relation, simple_expression, term, factor, primary, logical_operator, relational_operator, binary_adding_operator, unary_adding_operator, multiplying_operator, highest_precedence_operator, type_conversion, qualified_expression, allocator, sequence_of_statements, statement, simple_statement, compound_statement, null_statement, label, statement_identifier, assignment_statement, if_statement, condition, case_statement, case_statement_alternative, loop_statement, iteration_scheme, loop_parameter_specification, block_statement, exit_statement, goto_statement, subprogram_declaration, abstract_subprogram_declaration, subprogram_specification, designator, defining_designator, defining_program_unit_name, operator_symbol, defining_operator_symbol, parameter_profile, parameter_and_result_profile, formal_part, parameter_specification, mode, subprogram_body, procedure_call_statement, function_call, actual_parameter_part, parameter_association, explicit_actual_parameter, return_statement, package_declaration, package_specification, package_body, private_type_declaration, private_extension_declaration, use_clause, use_package_clause, use_type_clause, renaming_declaration, object_renaming_declaration, exception_renaming_declaration, package_renaming_declaration, subprogram_renaming_declaration, generic_renaming_declaration, task_type_declaration, single_task_declaration, task_definition, task_item, task_body, protected_type_declaration, single_protected_declaration, protected_definition, protected_operation_declaration, protected_element_declaration, protected_body, protected_operation_item, entry_declaration, accept_statement, entry_index, entry_body, entry_body_formal_part, entry_barrier, entry_index_specification, entry_call_statement, requeue_statement, delay_statement, delay_until_statement, delay_relative_statement, select_statement, selective_accept, guard, select_alternative, accept_alternative, delay_alternative, terminate_alternative, timed_entry_call, entry_call_alternative, conditional_entry_call, asynchronous_select, triggering_alternative, triggering_statement, abortable_part, abort_statement, compilation, compilation_unit, library_item, library_unit_declaration, library_unit_renaming_declaration, library_unit_body, parent_unit_name, context_clause, context_item, with_clause, body_stub, subprogram_body_stub, package_body_stub, task_body_stub, protected_body_stub, subunit, exception_declaration, handled_sequence_of_statements, exception_handler, choice_parameter_specification, exception_choice, raise_statement, generic_declaration, generic_subprogram_declaration, generic_package_declaration, generic_formal_part, generic_formal_parameter_declaration, generic_instantiation, generic_actual_part, generic_association, explicit_generic_actual_parameter, formal_object_declaration, formal_type_declaration, formal_type_definition, formal_private_type_definition, formal_derived_type_definition, formal_discrete_type_definition, formal_signed_integer_type_definition, formal_modular_type_definition, formal_floating_point_definition, formal_ordinary_fixed_point_definition, formal_decimal_fixed_point_definition, formal_array_type_definition, formal_access_type_definition, formal_subprogram_declaration, subprogram_default, default_name, formal_package_declaration, formal_package_actual_part, representation_clause, local_name, attribute_definition_clause, enumeration_representation_clause, enumeration_aggregate, record_representation_clause, component_clause, position, first_bit, last_bit, code_statement, restriction, delta_constraint, at_clause, mod_clause), 0 root (—), 5 top (logical_operator, highest_precedence_operator, statement_identifier, compilation, restriction), 51 bottom (generic_procedure_name 2, procedure_prefix, numeric_literal, restriction_identifier, package_instance_name, block_identifier, exception_name 3, protected_identifier 2, renamespackage_name, character_literal 3, function_prefix, entry_name 3, procedure_name, parent_subtype_indication, entry_identifier 2, label_name, static_simple_expression 6, delay_expression 2, entry_direct_name, loop_statement_identifier, first_subtype_local_name 2, function_name, restriction_parameter_identifier, subtype_name, boolean_expression, variable_name 3, generic_formal_parameter_selector_name, ancestor_subtype_indication, discriminant_selector_name 2, generic_package_name 3, object_name, block_statement_identifier, generic_function_name 2, static_expression 12, component_selector_name 2, identifier 8, pragma_argument_identifier 2, discrete_subtype_indication 2, subprogram_name, loop_name, formal_parameter_selector_name, task_name 2, package_name 2, label_statement_identifier, loop_identifier, task_identifier 2, discriminant_direct_name, library_unit_name 3, component_local_name, string_literal 2, callable_entity_name).pragma ::= pragma identifier "(" pragma_argument_association "," pragma_argument_association ")" ";"
pragma_argument_association ::= pragma_argument_identifier "=>" name pragma_argument_identifier "=>" expression
basic_declaration ::= type_declaration subtype_declaration object_declaration number_declaration subprogram_declaration abstract_subprogram_declaration package_declaration renaming_declaration exception_declaration generic_declaration generic_instantiation
defining_identifier ::= identifier
type_declaration ::= full_type_declaration incomplete_type_declaration private_type_declaration private_extension_declaration
full_type_declaration ::= "type" defining_identifier known_discriminant_part "is" type_definition ";" task_type_declaration protected_type_declaration
type_definition ::= enumeration_type_definition integer_type_definition real_type_definition array_type_definition record_type_definition access_type_definition derived_type_definition
subtype_declaration ::= "subtype" defining_identifier "is" subtype_indication ";"
subtype_indication ::=
subtype_mark constraintsubtype_mark ::= subtype_name
constraint ::= scalar_constraint composite_constraint
scalar_constraint ::= range_constraint digits_constraint delta_constraint
composite_constraint ::= index_constraint discriminant_constraint
object_declaration ::= defining_identifier_list ":" "aliased" "constant" subtype_indication ":=" expression ";" defining_identifier_list ":" "aliased" "constant" array_type_definition ":=" expression ";" single_task_declaration single_protected_declaration
defining_identifier_list ::= defining_identifier "," defining_identifier
number_declaration ::= defining_identifier_list ":" "constant" ":=" static_expression ";"
derived_type_definition ::= "abstract" "new" parent_subtype_indication record_extension_part
range_constraint ::=
"range" range_definitionrange_definition ::=
range_attribute_reference
simple_expression ".." simple_expressionenumeration_type_definition ::= "(" enumeration_literal_specification "," enumeration_literal_specification ")"
enumeration_literal_specification ::= defining_identifier defining_character_literal
defining_character_literal ::= character_literal
integer_type_definition ::= signed_integer_type_definition modular_type_definition
signed_integer_type_definition ::= "range" static_simple_expression ".." static_simple_expression
modular_type_definition ::=
"mod" static_expressionreal_type_definition ::= floating_point_definition fixed_point_definition
floating_point_definition ::= "digits" static_expression real_range_specification
real_range_specification ::= "range" static_simple_expression ".." static_simple_expression
fixed_point_definition ::= ordinary_fixed_point_definition decimal_fixed_point_definition
ordinary_fixed_point_definition ::=
"delta" static_expression real_range_specificationdecimal_fixed_point_definition ::= "delta" static_expression "digits" static_expression real_range_specification
digits_constraint ::= "digits" static_expression range_constraint
array_type_definition ::= unconstrained_array_definition constrained_array_definition
unconstrained_array_definition ::= "array" "(" index_subtype_definition "," index_subtype_definition ")" "of" component_definition
index_subtype_definition ::= subtype_mark "range" "<>"
constrained_array_definition ::= "array" "(" discrete_subtype_definition "," discrete_subtype_definition ")" "of" component_definition
discrete_subtype_definition ::=
discrete_subtype_indication
"range"component_definition ::= "aliased" subtype_indication
index_constraint ::= "(" discrete_range "," discrete_range ")"
discrete_range ::= discrete_subtype_indication range_definition
discriminant_part ::= unknown_discriminant_part known_discriminant_part
unknown_discriminant_part ::= "(" "<>" ")"
known_discriminant_part ::= "(" discriminant_specification ";" discriminant_specification ")"
discriminant_specification ::= defining_identifier_list ":" subtype_mark ":=" default_expression defining_identifier_list ":" access_definition ":=" default_expression
default_expression ::= expression
discriminant_constraint ::= "(" discriminant_association "," discriminant_association ")"
discriminant_association ::= discriminant_selector_name "|" discriminant_selector_name "=>" expression
record_type_definition ::= "abstract" "tagged" "limited" record_definition
record_definition ::= "record" component_list "end" "record" "null" "record"
component_list ::= component_item component_item component_item variant_part "null" ";"
component_item ::= component_declaration representation_clause
component_declaration ::= defining_identifier_list ":" component_definition ":=" default_expression ";"
variant_part ::= "case" discriminant_direct_name "is" variant variant "end" "case" ";"
variant ::= "when" discrete_choice_list "=>" component_list
discrete_choice_list ::= discrete_choice "|" discrete_choice
discrete_choice ::=
expression
discrete_range
"others"record_extension_part ::=
"with" record_definitionaccess_type_definition ::= access_to_object_definition access_to_subprogram_definition
access_to_object_definition ::= "access" general_access_modifier subtype_indication
general_access_modifier ::= "all" "constant"
access_to_subprogram_definition ::= "access" "protected" "procedure" parameter_profile "access" "protected" "function" parameter_and_result_profile
access_definition ::=
"access" subtype_markincomplete_type_declaration ::= "type" defining_identifier discriminant_part ";"
declarative_part ::=
declarative_itemdeclarative_item ::= basic_declarative_item body
basic_declarative_item ::= basic_declaration representation_clause use_clause
body ::= proper_body body_stub
proper_body ::= subprogram_body package_body task_body protected_body
name ::= direct_name explicit_dereference indexed_component slice selected_component attribute_reference type_conversion function_call character_literal
direct_name ::= identifier operator_symbol
prefix ::= name implicit_dereference
explicit_dereference ::= name "." "all"
implicit_dereference ::= name
indexed_component ::= prefix "(" expression "," expression ")"
slice ::= prefix "(" discrete_range ")"
selected_component ::=
prefix "." selector_nameselector_name ::= identifier character_literal operator_symbol
attribute_reference ::=
prefix "'" attribute_designatorattribute_designator ::= identifier "(" static_expression ")" "Access" "Delta" "Digits"
range_attribute_reference ::=
prefix "'" range_attribute_designatorrange_attribute_designator ::= "Range" "(" static_expression ")"
aggregate ::= record_aggregate extension_aggregate array_aggregate
record_aggregate ::= "(" record_component_association_list ")"
record_component_association_list ::= record_component_association "," record_component_association "null" "record"
record_component_association ::= component_choice_list "=>" expression
component_choice_list ::= component_selector_name "|" component_selector_name "others"
extension_aggregate ::= "(" ancestor_part "with" record_component_association_list ")"
ancestor_part ::= expression subtype_mark
array_aggregate ::= positional_array_aggregate named_array_aggregate
positional_array_aggregate ::= "(" expression "," expression "," expression ")" "(" expression "," expression "," "others" "=>" expression ")"
named_array_aggregate ::= "(" array_component_association "," array_component_association ")"
array_component_association ::=
discrete_choice_list "=>" expressionexpression ::= relation "and" relation relation "and" "then" relation relation "or" relation relation "or" "else" relation relation "xor" relation
relation ::= simple_expression relational_operator simple_expression simple_expression "not" "in" range_definition simple_expression "not" "in" subtype_mark
simple_expression ::= unary_adding_operator term binary_adding_operator term
term ::= factor multiplying_operator factor
factor ::= primary "**" primary "abs" primary "not" primary
primary ::= numeric_literal "null" string_literal aggregate name qualified_expression allocator "(" expression ")"
logical_operator ::= "and" "or" "xor"
relational_operator ::= "=" "/=" "<" "<=" ">" ">="
binary_adding_operator ::= "+" "-" "&"
unary_adding_operator ::= "+" "--"
multiplying_operator ::= "*" "/" "mod" "rem"
highest_precedence_operator ::= "**" "abs" "not"
type_conversion ::= subtype_mark "(" expression ")" subtype_mark "(" name ")"
qualified_expression ::= subtype_mark "'" "(" expression ")" subtype_mark "'" aggregate
allocator ::= "new" subtype_indication "new" qualified_expression
sequence_of_statements ::=
statement statementstatement ::= label simple_statement label compound_statement
simple_statement ::= null_statement assignment_statement exit_statement goto_statement procedure_call_statement return_statement entry_call_statement requeue_statement delay_statement abort_statement raise_statement code_statement
compound_statement ::= if_statement case_statement loop_statement block_statement accept_statement select_statement
null_statement ::= "null" ";"
label ::= "<<" label_statement_identifier ">>"
statement_identifier ::= direct_name
assignment_statement ::= variable_name ":=" expression ";"
if_statement ::= "if" condition "then" sequence_of_statements "elsif" condition "then" sequence_of_statements "else" sequence_of_statements "end" "if" ";"
condition ::= boolean_expression
case_statement ::= "case" expression "is" case_statement_alternative case_statement_alternative "end" "case" ";"
case_statement_alternative ::= "when" discrete_choice_list "=>" sequence_of_statements
loop_statement ::= loop_statement_identifier ":" iteration_scheme "loop" sequence_of_statements "end" "loop" loop_identifier ";"
iteration_scheme ::= "while" condition "for" loop_parameter_specification
loop_parameter_specification ::= defining_identifier "in" "reverse" discrete_subtype_definition
block_statement ::= block_statement_identifier ":" "declare" declarative_part "begin" handled_sequence_of_statements "end" block_identifier ";"
exit_statement ::= "exit" loop_name "when" condition ";"
goto_statement ::= "goto" label_name ";"
subprogram_declaration ::=
subprogram_specification ";"abstract_subprogram_declaration ::= subprogram_specification "is" "abstract" ";"
subprogram_specification ::= "procedure" defining_program_unit_name parameter_profile "function" defining_designator parameter_and_result_profile
designator ::= parent_unit_name "." identifier operator_symbol
defining_designator ::= defining_program_unit_name defining_operator_symbol
defining_program_unit_name ::= parent_unit_name "." defining_identifier
operator_symbol ::= string_literal
defining_operator_symbol ::= operator_symbol
parameter_profile ::=
formal_partparameter_and_result_profile ::= formal_part "return" subtype_mark
formal_part ::= "(" parameter_specification ";" parameter_specification ")"
parameter_specification ::= defining_identifier_list ":" mode subtype_mark ":=" default_expression defining_identifier_list ":" access_definition ":=" default_expression
mode ::= "in" "in" "out" "out"
subprogram_body ::= subprogram_specification "is" declarative_part "begin" handled_sequence_of_statements "end" designator ";"
procedure_call_statement ::= procedure_name ";" procedure_prefix actual_parameter_part ";"
function_call ::= function_name function_prefix actual_parameter_part
actual_parameter_part ::= "(" parameter_association "," parameter_association ")"
parameter_association ::= formal_parameter_selector_name "=>" explicit_actual_parameter
explicit_actual_parameter ::= expression variable_name
return_statement ::= "return" expression ";"
package_declaration ::=
package_specification ";"package_specification ::= "package" defining_program_unit_name "is" basic_declarative_item "private" basic_declarative_item "end" parent_unit_name "." identifier
package_body ::= "package" body defining_program_unit_name "is" declarative_part "begin" handled_sequence_of_statements "end" parent_unit_name "." identifier ";"
private_type_declaration ::= "type" defining_identifier discriminant_part "is" "abstract" "tagged" "limited" "private" ";"
private_extension_declaration ::= "type" defining_identifier discriminant_part "is" "abstract" "new" ancestor_subtype_indication "with" "private" ";"
use_clause ::= use_package_clause use_type_clause
use_package_clause ::= "use" package_name "," package_name ";"
use_type_clause ::= "use" "type" subtype_mark "," subtype_mark ";"
renaming_declaration ::= object_renaming_declaration exception_renaming_declaration package_renaming_declaration subprogram_renaming_declaration generic_renaming_declaration
object_renaming_declaration ::= defining_identifier ":" subtype_mark "renames" object_name ";"
exception_renaming_declaration ::= defining_identifier ":" "exception" "renames" exception_name ";"
package_renaming_declaration ::= "package" defining_program_unit_name renamespackage_name ";"
subprogram_renaming_declaration ::= subprogram_specification "renames" callable_entity_name ";"
generic_renaming_declaration ::= "generic" "package" defining_program_unit_name "renames" generic_package_name ";" "generic" "procedure" defining_program_unit_name "renames" generic_procedure_name ";" "generic" "function" defining_program_unit_name "renames" generic_function_name ";"
task_type_declaration ::= "task" "type" defining_identifier known_discriminant_part "is" task_definition ";"
single_task_declaration ::= "task" defining_identifier "is" task_definition ";"
task_definition ::= task_item "private" task_item "end" task_identifier
task_item ::= entry_declaration representation_clause
task_body ::= "task" body defining_identifier "is" declarative_part "begin" handled_sequence_of_statements "end" task_identifier ";"
protected_type_declaration ::= "protected" "type" defining_identifier known_discriminant_part "is" protected_definition ";"
single_protected_declaration ::= "protected" defining_identifier "is" protected_definition ";"
protected_definition ::= protected_operation_declaration "private" protected_element_declaration "end" protected_identifier
protected_operation_declaration ::= subprogram_declaration entry_declaration representation_clause
protected_element_declaration ::= protected_operation_declaration component_declaration
protected_body ::= "protected" body defining_identifier "is" protected_operation_item "end" protected_identifier ";"
protected_operation_item ::= subprogram_declaration subprogram_body entry_body representation_clause
entry_declaration ::= "entry" defining_identifier "(" discrete_subtype_definition ")" parameter_profile ";"
accept_statement ::= "accept" entry_direct_name "(" entry_index ")" parameter_profile "do" handled_sequence_of_statements "end" entry_identifier ";"
entry_index ::= expression
entry_body ::= "entry" defining_identifier entry_body_formal_part entry_barrier "is" declarative_part "begin" handled_sequence_of_statements "end" entry_identifier ";"
entry_body_formal_part ::= "(" entry_index_specification ")" parameter_profile
entry_barrier ::=
"when" conditionentry_index_specification ::= "for" defining_identifier "in" discrete_subtype_definition
entry_call_statement ::= entry_name actual_parameter_part ";"
requeue_statement ::= "requeue" entry_name "with" "abort" ";"
delay_statement ::= delay_until_statement delay_relative_statement
delay_until_statement ::= "delay" "until" delay_expression ";"
delay_relative_statement ::= "delay" delay_expression ";"
select_statement ::= selective_accept timed_entry_call conditional_entry_call asynchronous_select
selective_accept ::= "select" guard select_alternative "or" guard select_alternative "else" sequence_of_statements "end" "select" ";"
guard ::= "when" condition "=>"
select_alternative ::= accept_alternative delay_alternative terminate_alternative
accept_alternative ::=
accept_statement sequence_of_statementsdelay_alternative ::=
delay_statement sequence_of_statementsterminate_alternative ::= "terminate" ";"
timed_entry_call ::= "select" entry_call_alternative "or" delay_alternative "end" "select" ";"
entry_call_alternative ::=
entry_call_statement sequence_of_statementsconditional_entry_call ::= "select" entry_call_alternative "else" sequence_of_statements "end" "select" ";"
asynchronous_select ::= "select" triggering_alternative "then" "abort" abortable_part "end" "select" ";"
triggering_alternative ::=
triggering_statement sequence_of_statementstriggering_statement ::= entry_call_statement delay_statement
abortable_part ::= sequence_of_statements
abort_statement ::= "abort" task_name "," task_name ";"
compilation ::=
compilation_unitcompilation_unit ::= context_clause library_item context_clause subunit
library_item ::= "private" library_unit_declaration library_unit_body "private" library_unit_renaming_declaration
library_unit_declaration ::= subprogram_declaration package_declaration generic_declaration generic_instantiation
library_unit_renaming_declaration ::= package_renaming_declaration generic_renaming_declaration subprogram_renaming_declaration
library_unit_body ::= subprogram_body package_body
parent_unit_name ::= name
context_clause ::=
context_itemcontext_item ::= with_clause use_clause
with_clause ::= "with" library_unit_name "," library_unit_name ";"
body_stub ::= subprogram_body_stub package_body_stub task_body_stub protected_body_stub
subprogram_body_stub ::= subprogram_specification "is" "separate" ";"
package_body_stub ::= "package" body defining_identifier "is" "separate" ";"
task_body_stub ::= "task" body defining_identifier "is" "separate" ";"
protected_body_stub ::= "protected" body defining_identifier "is" "separate" ";"
subunit ::= "separate" "(" parent_unit_name ")" proper_body
exception_declaration ::= defining_identifier_list ":" "exception" ";"
handled_sequence_of_statements ::= sequence_of_statements "exception" exception_handler exception_handler
exception_handler ::= "when" choice_parameter_specification ":" exception_choice "|" exception_choice "=>" sequence_of_statements
choice_parameter_specification ::= defining_identifier
exception_choice ::=
exception_name
"others"raise_statement ::= "raise" exception_name ";"
generic_declaration ::= generic_subprogram_declaration generic_package_declaration
generic_subprogram_declaration ::=
generic_formal_part subprogram_specification ";"generic_package_declaration ::=
generic_formal_part package_specification ";"generic_formal_part ::= "generic" generic_formal_parameter_declarationuse_clause
generic_formal_parameter_declaration ::= formal_object_declaration formal_type_declaration formal_subprogram_declaration formal_package_declaration
generic_instantiation ::= "package" defining_program_unit_name "is" "new" generic_package_name generic_actual_part ";" "procedure" defining_program_unit_name "is" "new" generic_procedure_name generic_actual_part ";" "function" defining_designator "is" "new" generic_function_name generic_actual_part ";"
generic_actual_part ::= "(" generic_association "," generic_association ")"
generic_association ::= generic_formal_parameter_selector_name "=>" explicit_generic_actual_parameter
explicit_generic_actual_parameter ::= expression variable_name subprogram_name entry_name subtype_mark package_instance_name
formal_object_declaration ::= defining_identifier_list ":" mode subtype_mark ":=" default_expression ";"
formal_type_declaration ::= "type" defining_identifier discriminant_part "is" formal_type_definition ";"
formal_type_definition ::= formal_private_type_definition formal_derived_type_definition formal_discrete_type_definition formal_signed_integer_type_definition formal_modular_type_definition formal_floating_point_definition formal_ordinary_fixed_point_definition formal_decimal_fixed_point_definition formal_array_type_definition formal_access_type_definition
formal_private_type_definition ::= "abstract" "tagged" "limited" "private"
formal_derived_type_definition ::= "abstract" "new" subtype_mark "with" "private"
formal_discrete_type_definition ::= "(" "<>" ")"
formal_signed_integer_type_definition ::= "range" "<>"
formal_modular_type_definition ::= "mod" "<>"
formal_floating_point_definition ::= "digits" "<>"
formal_ordinary_fixed_point_definition ::= "delta" "<>"
formal_decimal_fixed_point_definition ::= "delta" "<>" "digits" "<>"
formal_array_type_definition ::= array_type_definition
formal_access_type_definition ::= access_type_definition
formal_subprogram_declaration ::= "with" subprogram_specification "is" subprogram_default ";"
subprogram_default ::=
default_name
"<>"default_name ::= name
formal_package_declaration ::= "with" "package" defining_identifier "is" "new" generic_package_name formal_package_actual_part ";"
formal_package_actual_part ::= "(" "<>" ")" generic_actual_part
representation_clause ::= attribute_definition_clause enumeration_representation_clause record_representation_clause at_clause
local_name ::=
direct_name
direct_name "'" attribute_designator
library_unit_nameattribute_definition_clause ::= "for" local_name "'" attribute_designator "use" expression ";" "for" local_name "'" attribute_designator "use" name ";"
enumeration_representation_clause ::= "for" first_subtype_local_name "use" enumeration_aggregate ";"
enumeration_aggregate ::= array_aggregate
record_representation_clause ::= "for" first_subtype_local_name "use" "record" mod_clause component_clause "end" "record" ";"
component_clause ::= component_local_name "at" position "range" first_bit ".." last_bit ";"
position ::= static_expression
first_bit ::= static_simple_expression
last_bit ::= static_simple_expression
code_statement ::=
qualified_expression ";"restriction ::=
restriction_identifier
restriction_parameter_identifier "=>" expressiondelta_constraint ::= "delta" static_expression range_constraint
at_clause ::= "for" direct_name "use" "at" expression ";"
mod_clause ::= "at" "mod" static_expression ";"
