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| 2.1:
character ::= graphic_character | format_effector | other_control_function
2.1:
graphic_character ::= identifier_letter | digit | space_character | special_character
2.3:
identifier ::=
identifier_letter {[underline] letter_or_digit}
2.3:
letter_or_digit ::= identifier_letter | digit
2.4:
numeric_literal ::= decimal_literal | based_literal
2.4.1:
decimal_literal ::= numeral [.numeral] [exponent]
2.4.1:
numeral ::= digit {[underline] digit}
2.4.1:
exponent ::= E [+] numeral | E - numeral
2.4.2:
based_literal ::=
base # based_numeral [.based_numeral] # [exponent]
2.4.2:
base ::= numeral
2.4.2:
based_numeral ::=
extended_digit {[underline] extended_digit}
2.4.2:
extended_digit ::= digit | A | B | C | D | E | F
2.5:
character_literal ::= 'graphic_character'
2.6:
string_literal ::= "{string_element}"
2.6:
string_element ::= "" | non_quotation_mark_graphic_character
A string_element is either a pair of quotation marks (""),
or a single graphic_character other than a quotation mark.
2.7:
comment ::= --{non_end_of_line_character}
2.8:
pragma ::=
pragma identifier [(pragma_argument_association {, pragma_argument_association})];
2.8:
pragma_argument_association ::=
[pragma_argument_identifier =>] name
| [pragma_argument_identifier =>] expression
3.1:
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
3.1:
defining_identifier ::= identifier
3.2.1:
type_declaration ::= full_type_declaration
| incomplete_type_declaration
| private_type_declaration
| private_extension_declaration
3.2.1:
full_type_declaration ::=
type defining_identifier [known_discriminant_part] is type_definition;
| task_type_declaration
| protected_type_declaration
3.2.1:
type_definition ::=
enumeration_type_definition | integer_type_definition
| real_type_definition | array_type_definition
| record_type_definition | access_type_definition
| derived_type_definition
3.2.2:
subtype_declaration ::=
subtype defining_identifier is subtype_indication;
3.2.2:
subtype_indication ::= subtype_mark [constraint]
3.2.2:
subtype_mark ::= subtype_name
3.2.2:
constraint ::= scalar_constraint | composite_constraint
3.2.2:
scalar_constraint ::=
range_constraint | digits_constraint | delta_constraint
3.2.2:
composite_constraint ::=
index_constraint | discriminant_constraint
3.3.1:
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
3.3.1:
defining_identifier_list ::=
defining_identifier {, defining_identifier}
3.3.2:
number_declaration ::=
defining_identifier_list : constant := static_expression;
3.4:
derived_type_definition ::= [abstract] new parent_subtype_indication [record_extension_part]
3.5:
range_constraint ::= range range
3.5:
range ::= range_attribute_reference
| simple_expression .. simple_expression
3.5.1:
enumeration_type_definition ::=
(enumeration_literal_specification {, enumeration_literal_specification})
3.5.1:
enumeration_literal_specification ::= defining_identifier | defining_character_literal
3.5.1:
defining_character_literal ::= character_literal
3.5.4:
integer_type_definition ::= signed_integer_type_definition | modular_type_definition
3.5.4:
signed_integer_type_definition ::= range static_simple_expression .. static_simple_expression
3.5.4:
modular_type_definition ::= mod static_expression
3.5.6:
real_type_definition ::=
floating_point_definition | fixed_point_definition
3.5.7:
floating_point_definition ::=
digits static_expression [real_range_specification]
3.5.7:
real_range_specification ::=
range static_simple_expression .. static_simple_expression
3.5.9:
fixed_point_definition ::= ordinary_fixed_point_definition | decimal_fixed_point_definition
3.5.9:
ordinary_fixed_point_definition ::=
delta static_expression real_range_specification
3.5.9:
decimal_fixed_point_definition ::=
delta static_expression digits static_expression [real_range_specification]
3.5.9:
digits_constraint ::=
digits static_expression [range_constraint]
3.6:
array_type_definition ::=
unconstrained_array_definition | constrained_array_definition
3.6:
unconstrained_array_definition ::=
array(index_subtype_definition {, index_subtype_definition}) of component_definition
3.6:
index_subtype_definition ::= subtype_mark range <>
3.6:
constrained_array_definition ::=
array (discrete_subtype_definition {, discrete_subtype_definition}) of component_definition
3.6:
discrete_subtype_definition ::= discrete_subtype_indication | range
3.6:
component_definition ::= [aliased] subtype_indication
3.6.1:
index_constraint ::= (discrete_range {, discrete_range})
3.6.1:
discrete_range ::= discrete_subtype_indication | range
3.7:
discriminant_part ::= unknown_discriminant_part | known_discriminant_part
3.7:
unknown_discriminant_part ::= (<>)
3.7:
known_discriminant_part ::=
(discriminant_specification {; discriminant_specification})
3.7:
discriminant_specification ::=
defining_identifier_list : subtype_mark [:= default_expression]
| defining_identifier_list : access_definition [:= default_expression]
3.7:
default_expression ::= expression
3.7.1:
discriminant_constraint ::=
(discriminant_association {, discriminant_association})
3.7.1:
discriminant_association ::=
[discriminant_selector_name {| discriminant_selector_name} =>] expression
3.8:
record_type_definition ::= [[abstract] tagged] [limited] record_definition
3.8:
record_definition ::=
record
component_list
end record
| null record
3.8:
component_list ::=
component_item {component_item}
| {component_item} variant_part
| null;
3.8:
component_item ::= component_declaration | representation_clause
3.8:
component_declaration ::=
defining_identifier_list : component_definition [:= default_expression];
3.8.1:
variant_part ::=
case discriminant_direct_name is
variant
{variant}
end case;
3.8.1:
variant ::=
when discrete_choice_list =>
component_list
3.8.1:
discrete_choice_list ::= discrete_choice {| discrete_choice}
3.8.1:
discrete_choice ::= expression | discrete_range | others
3.9.1:
record_extension_part ::= with record_definition
3.10:
access_type_definition ::=
access_to_object_definition
| access_to_subprogram_definition
3.10:
access_to_object_definition ::=
access [general_access_modifier] subtype_indication
3.10:
general_access_modifier ::= all | constant
3.10:
access_to_subprogram_definition ::=
access [protected] procedure parameter_profile
| access [protected] function parameter_and_result_profile
3.10:
access_definition ::= access subtype_mark
3.10.1:
incomplete_type_declaration ::= type defining_identifier [discriminant_part];
3.11:
declarative_part ::= {declarative_item}
3.11:
declarative_item ::=
basic_declarative_item | body
3.11:
basic_declarative_item ::=
basic_declaration | representation_clause | use_clause
3.11:
body ::= proper_body | body_stub
3.11:
proper_body ::=
subprogram_body | package_body | task_body | protected_body
4.1:
name ::=
direct_name | explicit_dereference
| indexed_component | slice
| selected_component | attribute_reference
| type_conversion | function_call
| character_literal
4.1:
direct_name ::= identifier | operator_symbol
4.1:
prefix ::= name | implicit_dereference
4.1:
explicit_dereference ::= name.all
4.1:
implicit_dereference ::= name
4.1.1:
indexed_component ::= prefix(expression {, expression})
4.1.2:
slice ::= prefix(discrete_range)
4.1.3:
selected_component ::= prefix . selector_name
4.1.3:
selector_name ::= identifier | character_literal | operator_symbol
4.1.4:
attribute_reference ::= prefix'attribute_designator
4.1.4:
attribute_designator ::=
identifier[(static_expression)]
| Access | Delta | Digits
4.1.4:
range_attribute_reference ::= prefix'range_attribute_designator
4.1.4:
range_attribute_designator ::= Range[(static_expression)]
4.3:
aggregate ::= record_aggregate | extension_aggregate | array_aggregate
4.3.1:
record_aggregate ::= (record_component_association_list)
4.3.1:
record_component_association_list ::=
record_component_association {, record_component_association}
| null record
4.3.1:
record_component_association ::=
[ component_choice_list => ] expression
4.3.1:
component_choice_list ::=
component_selector_name {| component_selector_name}
| others
4.3.2:
extension_aggregate ::=
(ancestor_part with record_component_association_list)
4.3.2:
ancestor_part ::= expression | subtype_mark
4.3.3:
array_aggregate ::=
positional_array_aggregate | named_array_aggregate
4.3.3:
positional_array_aggregate ::=
(expression, expression {, expression})
| (expression {, expression}, others => expression)
4.3.3:
named_array_aggregate ::=
(array_component_association {, array_component_association})
4.3.3:
array_component_association ::=
discrete_choice_list => expression
4.4:
expression ::=
relation {and relation} | relation {and then relation}
| relation {or relation} | relation {or else relation}
| relation {xor relation}
4.4:
relation ::=
simple_expression [relational_operator simple_expression]
| simple_expression [not] in range
| simple_expression [not] in subtype_mark
4.4:
simple_expression ::= [unary_adding_operator] term {binary_adding_operator term}
4.4:
term ::= factor {multiplying_operator factor}
4.4:
factor ::= primary [** primary] | abs primary | not primary
4.4:
primary ::=
numeric_literal | null | string_literal | aggregate
| name | qualified_expression | allocator | (expression)
4.5:
logical_operator ::= and | or | xor
4.5:
relational_operator ::= = | /= | < | <= | > | >=
4.5:
binary_adding_operator ::= + | - | &
4.5:
unary_adding_operator ::= + | --
4.5:
multiplying_operator ::= * | / | mod | rem
4.5:
highest_precedence_operator ::= ** | abs | not
4.6:
type_conversion ::=
subtype_mark(expression)
| subtype_mark(name)
4.7:
qualified_expression ::=
subtype_mark'(expression) | subtype_mark'aggregate
4.8:
allocator ::=
new subtype_indication | new qualified_expression
5.1:
sequence_of_statements ::= statement {statement}
5.1:
statement ::=
{label} simple_statement | {label} compound_statement
5.1:
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
5.1:
compound_statement ::=
if_statement | case_statement
| loop_statement | block_statement
| accept_statement | select_statement
5.1:
null_statement ::= null;
5.1:
label ::= <<label_statement_identifier>>
5.1:
statement_identifier ::= direct_name
5.2:
assignment_statement ::=
variable_name := expression;
5.3:
if_statement ::=
if condition then
sequence_of_statements
{elsif condition then
sequence_of_statements}
[else
sequence_of_statements]
end if;
5.3:
condition ::= boolean_expression
5.4:
case_statement ::=
case expression is
case_statement_alternative
{case_statement_alternative}
end case;
5.4:
case_statement_alternative ::=
when discrete_choice_list =>
sequence_of_statements
5.5:
loop_statement ::=
[loop_statement_identifier:]
[iteration_scheme] loop
sequence_of_statements
end loop [loop_identifier];
5.5:
iteration_scheme ::= while condition
| for loop_parameter_specification
5.5:
loop_parameter_specification ::=
defining_identifier in [reverse] discrete_subtype_definition
5.6:
block_statement ::=
[block_statement_identifier:]
[declare
declarative_part]
begin
handled_sequence_of_statements
end [block_identifier];
5.7:
exit_statement ::=
exit [loop_name] [when condition];
5.8:
goto_statement ::= goto label_name;
6.1:
subprogram_declaration ::= subprogram_specification;
6.1:
abstract_subprogram_declaration ::= subprogram_specification is abstract;
6.1:
subprogram_specification ::=
procedure defining_program_unit_name parameter_profile
| function defining_designator parameter_and_result_profile
6.1:
designator ::= [parent_unit_name . ]identifier | operator_symbol
6.1:
defining_designator ::= defining_program_unit_name | defining_operator_symbol
6.1:
defining_program_unit_name ::= [parent_unit_name . ]defining_identifier
6.1:
operator_symbol ::= string_literal
6.1:
defining_operator_symbol ::= operator_symbol
6.1:
parameter_profile ::= [formal_part]
6.1:
parameter_and_result_profile ::= [formal_part] return subtype_mark
6.1:
formal_part ::=
(parameter_specification {; parameter_specification})
6.1:
parameter_specification ::=
defining_identifier_list : mode subtype_mark [:= default_expression]
| defining_identifier_list : access_definition [:= default_expression]
6.1:
mode ::= [in] | in out | out
6.3:
subprogram_body ::=
subprogram_specification is
declarative_part
begin
handled_sequence_of_statements
end [designator];
6.4:
procedure_call_statement ::=
procedure_name;
| procedure_prefix actual_parameter_part;
6.4:
function_call ::=
function_name
| function_prefix actual_parameter_part
6.4:
actual_parameter_part ::=
(parameter_association {, parameter_association})
6.4:
parameter_association ::=
[formal_parameter_selector_name =>] explicit_actual_parameter
6.4:
explicit_actual_parameter ::= expression | variable_name
6.5:
return_statement ::= return [expression];
7.1:
package_declaration ::= package_specification;
7.1:
package_specification ::=
package defining_program_unit_name is
{basic_declarative_item}
[private
{basic_declarative_item}]
end [[parent_unit_name.]identifier]
7.2:
package_body ::=
package body defining_program_unit_name is
declarative_part
[begin
handled_sequence_of_statements]
end [[parent_unit_name.]identifier];
7.3:
private_type_declaration ::=
type defining_identifier [discriminant_part] is [[abstract] tagged] [limited] private;
7.3:
private_extension_declaration ::=
type defining_identifier [discriminant_part] is
[abstract] new ancestor_subtype_indication with private;
8.4:
use_clause ::= use_package_clause | use_type_clause
8.4:
use_package_clause ::= use package_name {, package_name};
8.4:
use_type_clause ::= use type subtype_mark {, subtype_mark};
8.5:
renaming_declaration ::=
object_renaming_declaration
| exception_renaming_declaration
| package_renaming_declaration
| subprogram_renaming_declaration
| generic_renaming_declaration
8.5.1:
object_renaming_declaration ::= defining_identifier : subtype_mark renames object_name;
8.5.2:
exception_renaming_declaration ::= defining_identifier : exception renames exception_name;
8.5.3:
package_renaming_declaration ::= package defining_program_unit_name renamespackage_name;
8.5.4:
subprogram_renaming_declaration ::= subprogram_specification renames callable_entity_name;
8.5.5:
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;
9.1:
task_type_declaration ::=
task type defining_identifier [known_discriminant_part] [is task_definition];
9.1:
single_task_declaration ::=
task defining_identifier [is task_definition];
9.1:
task_definition ::=
{task_item}
[ private
{task_item}]
end [task_identifier]
9.1:
task_item ::= entry_declaration | representation_clause
9.1:
task_body ::=
task body defining_identifier is
declarative_part
begin
handled_sequence_of_statements
end [task_identifier];
9.4:
protected_type_declaration ::=
protected type defining_identifier [known_discriminant_part] is protected_definition;
9.4:
single_protected_declaration ::=
protected defining_identifier is protected_definition;
9.4:
protected_definition ::=
{ protected_operation_declaration }
[ private
{ protected_element_declaration } ]
end [protected_identifier]
9.4:
protected_operation_declaration ::= subprogram_declaration
| entry_declaration
| representation_clause
9.4:
protected_element_declaration ::= protected_operation_declaration
| component_declaration
9.4:
protected_body ::=
protected body defining_identifier is
{ protected_operation_item }
end [protected_identifier];
9.4:
protected_operation_item ::= subprogram_declaration
| subprogram_body
| entry_body
| representation_clause
9.5.2:
entry_declaration ::=
entry defining_identifier [(discrete_subtype_definition)] parameter_profile;
9.5.2:
accept_statement ::=
accept entry_direct_name [(entry_index)] parameter_profile [do
handled_sequence_of_statements
end [entry_identifier]];
9.5.2:
entry_index ::= expression
9.5.2:
entry_body ::=
entry defining_identifier entry_body_formal_part entry_barrier is
declarative_part
begin
handled_sequence_of_statements
end [entry_identifier];
9.5.2:
entry_body_formal_part ::= [(entry_index_specification)] parameter_profile
9.5.2:
entry_barrier ::= when condition
9.5.2:
entry_index_specification ::= for defining_identifier in discrete_subtype_definition
9.5.3:
entry_call_statement ::= entry_name [actual_parameter_part];
9.5.4:
requeue_statement ::= requeue entry_name [with abort];
9.6:
delay_statement ::= delay_until_statement | delay_relative_statement
9.6:
delay_until_statement ::= delay until delay_expression;
9.6:
delay_relative_statement ::= delay delay_expression;
9.7:
select_statement ::=
selective_accept
| timed_entry_call
| conditional_entry_call
| asynchronous_select
9.7.1:
selective_accept ::=
select
[guard]
select_alternative
{ or
[guard]
select_alternative }
[ else
sequence_of_statements ]
end select;
9.7.1:
guard ::= when condition =>
9.7.1:
select_alternative ::=
accept_alternative
| delay_alternative
| terminate_alternative
9.7.1:
accept_alternative ::=
accept_statement [sequence_of_statements]
9.7.1:
delay_alternative ::=
delay_statement [sequence_of_statements]
9.7.1:
terminate_alternative ::= terminate;
9.7.2:
timed_entry_call ::=
select
entry_call_alternative
or
delay_alternative
end select;
9.7.2:
entry_call_alternative ::=
entry_call_statement [sequence_of_statements]
9.7.3:
conditional_entry_call ::=
select
entry_call_alternative
else
sequence_of_statements
end select;
9.7.4:
asynchronous_select ::=
select
triggering_alternative
then abort
abortable_part
end select;
9.7.4:
triggering_alternative ::= triggering_statement [sequence_of_statements]
9.7.4:
triggering_statement ::= entry_call_statement | delay_statement
9.7.4:
abortable_part ::= sequence_of_statements
9.8:
abort_statement ::= abort task_name {, task_name};
10.1.1:
compilation ::= {compilation_unit}
10.1.1:
compilation_unit ::=
context_clause library_item
| context_clause subunit
10.1.1:
library_item ::= [private] library_unit_declaration
| library_unit_body
| [private] library_unit_renaming_declaration
10.1.1:
library_unit_declaration ::=
subprogram_declaration | package_declaration
| generic_declaration | generic_instantiation
10.1.1:
library_unit_renaming_declaration ::=
package_renaming_declaration
| generic_renaming_declaration
| subprogram_renaming_declaration
10.1.1:
library_unit_body ::= subprogram_body | package_body
10.1.1:
parent_unit_name ::= name
10.1.2:
context_clause ::= {context_item}
10.1.2:
context_item ::= with_clause | use_clause
10.1.2:
with_clause ::= with library_unit_name {, library_unit_name};
10.1.3:
body_stub ::= subprogram_body_stub | package_body_stub | task_body_stub | protected_body_stub
10.1.3:
subprogram_body_stub ::= subprogram_specification is separate;
10.1.3:
package_body_stub ::= package body defining_identifier is separate;
10.1.3:
task_body_stub ::= task body defining_identifier is separate;
10.1.3:
protected_body_stub ::= protected body defining_identifier is separate;
10.1.3:
subunit ::= separate (parent_unit_name) proper_body
11.1:
exception_declaration ::= defining_identifier_list : exception;
11.2:
handled_sequence_of_statements ::=
sequence_of_statements
[exception
exception_handler
{exception_handler}]
11.2:
exception_handler ::=
when [choice_parameter_specification:] exception_choice {| exception_choice} =>
sequence_of_statements
11.2:
choice_parameter_specification ::= defining_identifier
11.2:
exception_choice ::= exception_name | others
11.3:
raise_statement ::= raise [exception_name];
12.1:
generic_declaration ::= generic_subprogram_declaration | generic_package_declaration
12.1:
generic_subprogram_declaration ::=
generic_formal_part subprogram_specification;
12.1:
generic_package_declaration ::=
generic_formal_part package_specification;
12.1:
generic_formal_part ::= generic {generic_formal_parameter_declaration | use_clause}
12.1:
generic_formal_parameter_declaration ::=
formal_object_declaration
| formal_type_declaration
| formal_subprogram_declaration
| formal_package_declaration
12.3:
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];
12.3:
generic_actual_part ::=
(generic_association {, generic_association})
12.3:
generic_association ::=
[generic_formal_parameter_selector_name =>] explicit_generic_actual_parameter
12.3:
explicit_generic_actual_parameter ::= expression | variable_name
| subprogram_name | entry_name | subtype_mark
| package_instance_name
12.4:
formal_object_declaration ::=
defining_identifier_list : mode subtype_mark [:= default_expression];
12.5:
formal_type_declaration ::=
type defining_identifier[discriminant_part] is formal_type_definition;
12.5:
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
12.5.1:
formal_private_type_definition ::= [[abstract] tagged] [limited] private
12.5.1:
formal_derived_type_definition ::= [abstract] new subtype_mark [with private]
12.5.2:
formal_discrete_type_definition ::= (<>)
12.5.2:
formal_signed_integer_type_definition ::= range <>
12.5.2:
formal_modular_type_definition ::= mod <>
12.5.2:
formal_floating_point_definition ::= digits <>
12.5.2:
formal_ordinary_fixed_point_definition ::= delta <>
12.5.2:
formal_decimal_fixed_point_definition ::= delta <> digits <>
12.5.3:
formal_array_type_definition ::= array_type_definition
12.5.4:
formal_access_type_definition ::= access_type_definition
12.6:
formal_subprogram_declaration ::= with subprogram_specification [is subprogram_default];
12.6:
subprogram_default ::= default_name | <>
12.6:
default_name ::= name
12.7:
formal_package_declaration ::=
with package defining_identifier is new generic_package_name formal_package_actual_part;
12.7:
formal_package_actual_part ::=
(<>) | [generic_actual_part]
13.1:
representation_clause ::= attribute_definition_clause
| enumeration_representation_clause
| record_representation_clause
| at_clause
13.1:
local_name ::= direct_name
| direct_name'attribute_designator
| library_unit_name
13.3:
attribute_definition_clause ::=
for local_name'attribute_designator use expression;
| for local_name'attribute_designator use name;
13.4:
enumeration_representation_clause ::=
for first_subtype_local_name use enumeration_aggregate;
13.4:
enumeration_aggregate ::= array_aggregate
13.5.1:
record_representation_clause ::=
for first_subtype_local_name use
record [mod_clause]
{component_clause}
end record;
13.5.1:
component_clause ::=
component_local_name at position range first_bit .. last_bit;
13.5.1:
position ::= static_expression
13.5.1:
first_bit ::= static_simple_expression
13.5.1:
last_bit ::= static_simple_expression
13.8:
code_statement ::= qualified_expression;
13.12:
restriction ::= restriction_identifier
| restriction_parameter_identifier => expression
J.3:
delta_constraint ::= delta static_expression [range_constraint]
J.7:
at_clause ::= for direct_name use at expression;
J.8:
mod_clause ::= at mod static_expression;
|
| |
| 
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