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tree-sitter-ada.ebnf
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//
// From tree-sitter-ada/src/grammar.json
//
//
// EBNF to generate railroad diagram at
// (IPV6) https://www.bottlecaps.de/rr/ui
// (IPV4) https://rr.red-dove.com/ui
//
compilation ::=
compilation_unit*
identifier ::=
[a-zA-Z\u{80}-\u{10FFFF}][0-9a-zA-Z_\u{80}-\u{10FFFF}]*
gnatprep_identifier ::=
'\$'[a-zA-Z\u{80}-\u{10FFFF}][0-9a-zA-Z_\u{80}-\u{10FFFF}]*
comment ::=
( '--' '.'* )
string_literal ::=
'"'('""'|[^"])*'"'
character_literal ::=
"'.'"
numeric_literal ::=
( [0-9][0-9_]*('.'[0-9_]+)?([eE][+-]?[0-9_]+)? | [0-9]+'#'[0-9a-fA-F._-]+'#'([eE][+-]?[0-9_]+)? )
git_conflict_mark ::=
( [<<][<<][<<][<<][<<][<<][<<] '.'* )
| ( [>>][>>][>>][>>][>>][>>][>>] '.'* )
| ( [==][==][==][==][==][==][==] '.'* )
relational_operator ::=
'='
| '/='
| '<'
| '<='
| '>'
| '>='
binary_adding_operator ::=
'+'
| '-'
| '&'
unary_adding_operator ::=
'+'
| '-'
multiplying_operator ::=
'*'
| '/'
| 'mod'
| 'rem'
tick ::=
"'"
_name_not_function_call ::=
identifier
| gnatprep_identifier
| selected_component
| _attribute_reference
| qualified_expression
| target_name
| slice
| character_literal
| string_literal
_name ::=
_name_not_function_call
| function_call
_name_for_component_choice ::=
identifier
| string_literal
selected_component ::=
_name '.' ( identifier | character_literal | string_literal )
target_name ::=
'@'
_name_list ::=
_name ( ',' _name )*
_defining_identifier_list ::=
identifier ( ',' identifier )*
slice ::=
_name '(' range_g ')'
_attribute_reference ::=
_name tick attribute_designator
| _reduction_attribute_reference
_reduction_attribute_reference ::=
value_sequence tick reduction_attribute_designator
reduction_attribute_designator ::=
identifier '(' reduction_specification ')'
reduction_specification ::=
_name ',' expression
value_sequence ::=
'[' ( [pP][aA][rR][aA][lL][lL][eE][lL] ( '(' chunk_specification ')' )? )? iterated_element_association ']'
chunk_specification ::=
_simple_expression
| identifier [iI][nN] _discrete_subtype_definition
iterated_element_association ::=
[fF][oO][rR] ( loop_parameter_specification | iterator_specification ) ( [uU][sS][eE] expression )? '=>' expression
_discrete_subtype_definition ::=
_subtype_indication
| range_g
loop_parameter_specification ::=
identifier [iI][nN] [rR][eE][vV][eE][rR][sS][eE]? _discrete_subtype_definition iterator_filter?
_loop_parameter_subtype_indication ::=
_subtype_indication
| access_definition
iterator_filter ::=
[wW][hH][eE][nN] expression
iterator_specification ::=
identifier ( ':' _loop_parameter_subtype_indication )? ( [iI][nN] | [oO][fF] ) [rR][eE][vV][eE][rR][sS][eE]? _name iterator_filter?
attribute_designator ::=
identifier
| [aA][cC][cC][eE][sS][sS]
| [dD][eE][lL][tT][aA]
| [dD][iI][gG][iI][tT][sS]
| [mM][oO][dD]
qualified_expression ::=
_name tick ( _aggregate | _parenthesized_expression )
compilation_unit ::=
with_clause
| [pP][rR][iI][vV][aA][tT][eE]? _declarative_item
| _statement
| subunit
| entry_declaration
_declarative_item ::=
_basic_declarative_item
| _proper_body
| body_stub
_basic_declarative_item ::=
_basic_declaration
| _aspect_clause
| use_clause
_basic_declaration ::=
_type_declaration
| subtype_declaration
| object_declaration
| number_declaration
| subprogram_declaration
| expression_function_declaration
| null_procedure_declaration
| package_declaration
| _renaming_declaration
| exception_declaration
| _generic_declaration
| generic_instantiation
package_declaration ::=
_package_specification ';'
_package_specification ::=
[pP][aA][cC][kK][aA][gG][eE] _name aspect_specification? [iI][sS] _basic_declarative_item_pragma* ( [pP][rR][iI][vV][aA][tT][eE] _basic_declarative_item_pragma* )? [eE][nN][dD] _name?
with_clause ::=
[lL][iI][mM][iI][tT][eE][dD]? [pP][rR][iI][vV][aA][tT][eE]? [wW][iI][tT][hH] _name_list ';'
use_clause ::=
[uU][sS][eE] ( [aA][lL][lL]? [tT][yY][pP][eE] )? _name_list ';'
subunit ::=
[sS][eE][pP][aA][rR][aA][tT][eE] '(' _name ')' _proper_body
_proper_body ::=
subprogram_body
| package_body
| task_body
| protected_body
subprogram_body ::=
overriding_indicator? _subprogram_specification aspect_specification? [iI][sS] non_empty_declarative_part? [bB][eE][gG][iI][nN] handled_sequence_of_statements [eE][nN][dD] _name? ';'
package_body ::=
[pP][aA][cC][kK][aA][gG][eE] [bB][oO][dD][yY] _name aspect_specification? [iI][sS] non_empty_declarative_part? ( [bB][eE][gG][iI][nN] handled_sequence_of_statements )? [eE][nN][dD] _name? ';'
_subtype_indication ::=
null_exclusion? _name_not_function_call _constraint?
discriminant_constraint ::=
_parenthesized_expression
| '(' discriminant_association ( ',' discriminant_association )* ')'
discriminant_association ::=
( _name_for_component_choice ( '|' _name_for_component_choice )* '=>' )? expression
_constraint ::=
_scalar_constraint
| index_constraint
| discriminant_constraint
_scalar_constraint ::=
range_constraint
| digits_constraint
| delta_constraint
range_g ::=
( _name tick range_attribute_designator )
| _simple_expression '..' _simple_expression
range_attribute_designator ::=
[rR][aA][nN][gG][eE] ( '(' expression ')' )?
range_constraint ::=
[rR][aA][nN][gG][eE] range_g
expression ::=
_relation ( [aA][nN][dD] [tT][hH][eE][nN]? _relation )*
| _relation ( [oO][rR] [eE][lL][sS][eE]? _relation )*
| _relation ( [xX][oO][rR] _relation )*
_relation ::=
_simple_expression ( relational_operator _simple_expression )?
| relation_membership
| raise_expression
relation_membership ::=
_simple_expression [nN][oO][tT]? [iI][nN] membership_choice_list
raise_expression ::=
[rR][aA][iI][sS][eE] _name ( [wW][iI][tT][hH] _simple_expression )?
membership_choice_list ::=
_membership_choice ( '|' _membership_choice )*
_membership_choice ::=
_simple_expression
| range_g
_simple_expression ::=
unary_adding_operator? term ( binary_adding_operator term )*
term ::=
_factor ( multiplying_operator _factor )*
_factor ::=
_primary
| factor_power
| factor_abs
| factor_not
factor_power ::=
_primary '**' _primary
factor_abs ::=
[aA][bB][sS] _primary
factor_not ::=
[nN][oO][tT] _primary
_parenthesized_expression ::=
'(' ( expression | _conditional_expression | quantified_expression | declare_expression ) ')'
_primary ::=
numeric_literal | primary_null | _aggregate | _name | allocator | _parenthesized_expression
primary_null ::=
[nN][uU][lL][lL]
allocator ::=
[nN][eE][wW] subpool_specification? _subtype_indication_paren_constraint
_subtype_indication_paren_constraint ::=
null_exclusion? _name index_constraint?
subpool_specification ::=
'(' _name ')'
_access_type_definition ::=
null_exclusion? ( access_to_object_definition | access_to_subprogram_definition )
access_to_subprogram_definition ::=
[aA][cC][cC][eE][sS][sS] [pP][rR][oO][tT][eE][cC][tT][eE][dD]? ( [pP][rR][oO][cC][eE][dD][uU][rR][eE] formal_part? | [fF][uU][nN][cC][tT][iI][oO][nN] _parameter_and_result_profile )
access_to_object_definition ::=
[aA][cC][cC][eE][sS][sS] general_access_modifier? _subtype_indication
general_access_modifier ::=
[aA][lL][lL]
| [cC][oO][nN][sS][tT][aA][nN][tT]
access_definition ::=
null_exclusion? [aA][cC][cC][eE][sS][sS] ( [cC][oO][nN][sS][tT][aA][nN][tT]? _name | [pP][rR][oO][tT][eE][cC][tT][eE][dD]? [pP][rR][oO][cC][eE][dD][uU][rR][eE] formal_part? | [pP][rR][oO][tT][eE][cC][tT][eE][dD]? [fF][uU][nN][cC][tT][iI][oO][nN] _parameter_and_result_profile )
actual_parameter_part ::=
'(' ( parameter_association ( ',' parameter_association )* | _conditional_expression | quantified_expression | declare_expression ) ')'
parameter_association ::=
component_choice_list '=>' ( expression | '<>' )
| expression
| '<>'
_conditional_expression ::=
if_expression
| case_expression
_conditional_quantified_declare_expression ::=
_conditional_expression
| quantified_expression
| declare_expression
quantified_expression ::=
[fF][oO][rR] quantifier ( loop_parameter_specification | iterator_specification ) '=>' expression
declare_expression ::=
[dD][eE][cC][lL][aA][rR][eE] _declare_item* [bB][eE][gG][iI][nN] expression
_declare_item ::=
object_declaration
| object_renaming_declaration
| pragma_g
quantifier ::=
[aA][lL][lL]
| [sS][oO][mM][eE]
case_expression ::=
[cC][aA][sS][eE] expression [iI][sS] case_expression_alternative ( ',' case_expression_alternative )*
case_expression_alternative ::=
[wW][hH][eE][nN] discrete_choice_list '=>' expression
component_choice_list ::=
[oO][tT][hH][eE][rR][sS]
| _name_for_component_choice ( '|' _name_for_component_choice )*
_aggregate ::=
record_aggregate
| extension_aggregate
| _array_aggregate
| _delta_aggregate
_delta_aggregate ::=
record_delta_aggregate
| array_delta_aggregate
extension_aggregate ::=
'(' expression [wW][iI][tT][hH] _record_component_association_list_or_expression ')'
record_delta_aggregate ::=
'(' expression [wW][iI][tT][hH] [dD][eE][lL][tT][aA] _record_component_association_list_or_expression ')'
array_delta_aggregate ::=
'(' expression [wW][iI][tT][hH] [dD][eE][lL][tT][aA] _array_component_association_list ')'
| '[' expression [wW][iI][tT][hH] [dD][eE][lL][tT][aA] _array_component_association_list ']'
record_aggregate ::=
'(' record_component_association_list ')'
record_component_association_list ::=
[nN][uU][lL][lL] [rR][eE][cC][oO][rR][dD]
| expression ',' ( expression | _named_record_component_association ) ( ',' ( expression | _named_record_component_association ) )*
| _named_record_component_association ( ',' _named_record_component_association )*
_record_component_association_list_or_expression ::=
record_component_association_list
| expression
_named_record_component_association ::=
component_choice_list '=>' ( expression | '<>' )
null_exclusion ::=
[nN][oO][tT] [nN][uU][lL][lL]
index_constraint ::=
'(' _discrete_range ( ',' _discrete_range )* ')'
digits_constraint ::=
[dD][iI][gG][iI][tT][sS] _simple_expression range_constraint?
delta_constraint ::=
[dD][eE][lL][tT][aA] _simple_expression range_constraint?
_basic_declarative_item_pragma ::=
_basic_declarative_item
| pragma_g
_type_declaration ::=
full_type_declaration
| incomplete_type_declaration
| private_type_declaration
| private_extension_declaration
full_type_declaration ::=
[tT][yY][pP][eE] identifier known_discriminant_part? [iI][sS] _type_definition aspect_specification? ';'
| task_type_declaration
| protected_type_declaration
private_type_declaration ::=
[tT][yY][pP][eE] identifier _discriminant_part? [iI][sS] ( [aA][bB][sS][tT][rR][aA][cC][tT]? [tT][aA][gG][gG][eE][dD] )? [lL][iI][mM][iI][tT][eE][dD]? [pP][rR][iI][vV][aA][tT][eE] aspect_specification? ';'
private_extension_declaration ::=
[tT][yY][pP][eE] identifier _discriminant_part? [iI][sS] [aA][bB][sS][tT][rR][aA][cC][tT]? ( [lL][iI][mM][iI][tT][eE][dD] | [sS][yY][nN][cC][hH][rR][oO][nN][iI][zZ][eE][dD] )? [nN][eE][wW] _subtype_indication ( [aA][nN][dD] _interface_list )? [wW][iI][tT][hH] [pP][rR][iI][vV][aA][tT][eE] aspect_specification? ';'
_discriminant_part ::=
known_discriminant_part
| unknown_discriminant_part
unknown_discriminant_part ::=
'(' '<>' ')'
known_discriminant_part ::=
'(' discriminant_specification_list ')'
incomplete_type_declaration ::=
[tT][yY][pP][eE] identifier _discriminant_part? ( [iI][sS] [tT][aA][gG][gG][eE][dD] )? ';'
discriminant_specification_list ::=
discriminant_specification ( ';' discriminant_specification )*
discriminant_specification ::=
_defining_identifier_list ':' ( null_exclusion? _name | access_definition ) _assign_value? aspect_specification?
_type_definition ::=
enumeration_type_definition
| _integer_type_definition
| _real_type_definition
| array_type_definition
| record_type_definition
| _access_type_definition
| derived_type_definition
| interface_type_definition
array_type_definition ::=
[aA][rR][rR][aA][yY] '(' ( _discrete_subtype_definition_list | _index_subtype_definition_list ) ')' [oO][fF] component_definition
_discrete_subtype_definition_list ::=
_discrete_subtype_definition ( ',' _discrete_subtype_definition )*
_discrete_range ::=
_subtype_indication
| range_g
_index_subtype_definition_list ::=
index_subtype_definition ( ',' index_subtype_definition )*
index_subtype_definition ::=
_name [rR][aA][nN][gG][eE] '<>'
enumeration_type_definition ::=
'(' _enumeration_literal_list ')'
_enumeration_literal_list ::=
_enumeration_literal_specification ( ',' _enumeration_literal_specification )*
_enumeration_literal_specification ::=
identifier
| character_literal
_integer_type_definition ::=
signed_integer_type_definition
| modular_type_definition
modular_type_definition ::=
[mM][oO][dD] expression
_real_type_definition ::=
floating_point_definition
| _fixed_point_definition
floating_point_definition ::=
[dD][iI][gG][iI][tT][sS] expression real_range_specification?
real_range_specification ::=
[rR][aA][nN][gG][eE] _simple_expression '..' _simple_expression
_fixed_point_definition ::=
ordinary_fixed_point_definition
| decimal_fixed_point_definition
decimal_fixed_point_definition ::=
[dD][eE][lL][tT][aA] expression [dD][iI][gG][iI][tT][sS] expression real_range_specification?
ordinary_fixed_point_definition ::=
[dD][eE][lL][tT][aA] expression real_range_specification
signed_integer_type_definition ::=
[rR][aA][nN][gG][eE] _simple_expression '..' _simple_expression
derived_type_definition ::=
[aA][bB][sS][tT][rR][aA][cC][tT]? [lL][iI][mM][iI][tT][eE][dD]? [nN][eE][wW] _subtype_indication ( ( [aA][nN][dD] _interface_list )? record_extension_part )?
interface_type_definition ::=
( [lL][iI][mM][iI][tT][eE][dD] | [tT][aA][sS][kK] | [pP][rR][oO][tT][eE][cC][tT][eE][dD] | [sS][yY][nN][cC][hH][rR][oO][nN][iI][zZ][eE][dD] )? [iI][nN][tT][eE][rR][fF][aA][cC][eE] ( [aA][nN][dD] _interface_list )?
_interface_list ::=
_name ( [aA][nN][dD] _name )*
record_extension_part ::=
[wW][iI][tT][hH] record_definition
record_type_definition ::=
( [aA][bB][sS][tT][rR][aA][cC][tT]? [tT][aA][gG][gG][eE][dD] )? [lL][iI][mM][iI][tT][eE][dD]? record_definition
record_definition ::=
[rR][eE][cC][oO][rR][dD] component_list [eE][nN][dD] [rR][eE][cC][oO][rR][dD] identifier?
| [nN][uU][lL][lL] [rR][eE][cC][oO][rR][dD]
component_list ::=
_component_item+
| _component_item* variant_part
| [nN][uU][lL][lL] [;;]
_component_item ::=
component_declaration
| _aspect_clause
| pragma_g
component_declaration ::=
_defining_identifier_list ':' component_definition _assign_value? aspect_specification? ';'
component_definition ::=
[aA][lL][iI][aA][sS][eE][dD]? ( _subtype_indication | access_definition )
_array_aggregate ::=
positional_array_aggregate
| null_array_aggregate
| named_array_aggregate
positional_array_aggregate ::=
'(' expression ',' expression ( ',' expression )* ')'
| '(' expression ( ',' expression )* ',' [oO][tT][hH][eE][rR][sS] '=>' ( expression | '<>' ) ')'
| '[' expression ( ',' expression )* ( ',' [oO][tT][hH][eE][rR][sS] '=>' ( expression | '<>' ) )? ']'
null_array_aggregate ::=
'[' ']'
named_array_aggregate ::=
'(' _array_component_association_list ')'
| '[' _array_component_association_list ']'
_array_component_association_list ::=
array_component_association ( ',' array_component_association )*
array_component_association ::=
discrete_choice_list '=>' ( expression | '<>' )
| iterated_element_association
discrete_choice_list ::=
discrete_choice ( '|' discrete_choice )*
discrete_choice ::=
expression
| _subtype_indication
| range_g
| [oO][tT][hH][eE][rR][sS]
aspect_association ::=
_aspect_mark ( '=>' _aspect_definition )?
_aspect_clause ::=
attribute_definition_clause
| enumeration_representation_clause
| record_representation_clause
| at_clause
_aspect_definition ::=
expression
| global_aspect_definition
_aspect_mark ::=
identifier ( tick [CC][lL][aA][sS][sS] )?
aspect_mark_list ::=
aspect_association ( ',' aspect_association )*
aspect_specification ::=
[wW][iI][tT][hH] aspect_mark_list
_assign_value ::=
':=' expression
at_clause ::=
[fF][oO][rR] identifier [uU][sS][eE] [aA][tT] expression ';'
attribute_definition_clause ::=
[fF][oO][rR] _name tick attribute_designator [uU][sS][eE] expression ';'
body_stub ::=
subprogram_body_stub
| package_body_stub
| task_body_stub
| protected_body_stub
subprogram_body_stub ::=
overriding_indicator? _subprogram_specification [iI][sS] [sS][eE][pP][aA][rR][aA][tT][eE] aspect_specification? ';'
package_body_stub ::=
[pP][aA][cC][kK][aA][gG][eE] [bB][oO][dD][yY] identifier [iI][sS] [sS][eE][pP][aA][rR][aA][tT][eE] aspect_specification? ';'
task_body ::=
[tT][aA][sS][kK] [bB][oO][dD][yY] identifier aspect_specification? [iI][sS] non_empty_declarative_part? [bB][eE][gG][iI][nN] handled_sequence_of_statements [eE][nN][dD] identifier? ';'
task_body_stub ::=
[tT][aA][sS][kK] [bB][oO][dD][yY] identifier [iI][sS] [sS][eE][pP][aA][rR][aA][tT][eE] aspect_specification? ';'
_protected_operation_declaration ::=
subprogram_declaration
| pragma_g
| entry_declaration
| _aspect_clause
_protected_element_declaration ::=
_protected_operation_declaration
| component_declaration
_protected_operation_item ::=
subprogram_declaration
| subprogram_body
| null_procedure_declaration
| expression_function_declaration
| entry_body
| _aspect_clause
protected_definition ::=
_protected_operation_declaration* ( [pP][rR][iI][vV][aA][tT][eE] _protected_element_declaration* )? [eE][nN][dD] identifier?
protected_type_declaration ::=
[pP][rR][oO][tT][eE][cC][tT][eE][dD] [tT][yY][pP][eE] identifier known_discriminant_part? aspect_specification? [iI][sS] ( [nN][eE][wW] _interface_list [wW][iI][tT][hH] )? protected_definition ';'
single_protected_declaration ::=
[pP][rR][oO][tT][eE][cC][tT][eE][dD] identifier aspect_specification? [iI][sS] ( [nN][eE][wW] _interface_list [wW][iI][tT][hH] )? protected_definition ';'
protected_body ::=
[pP][rR][oO][tT][eE][cC][tT][eE][dD] [bB][oO][dD][yY] identifier aspect_specification? [iI][sS] _protected_operation_item* [eE][nN][dD] identifier? ';'
protected_body_stub ::=
[pP][rR][oO][tT][eE][cC][tT][eE][dD] [bB][oO][dD][yY] identifier [iI][sS] [sS][eE][pP][aA][rR][aA][tT][eE] aspect_specification? ';'
choice_parameter_specification ::=
identifier
component_clause ::=
_name [aA][tT] expression [rR][aA][nN][gG][eE] _simple_expression '..' _simple_expression ';'
_declarative_item_pragma ::=
_declarative_item
| pragma_g
| gnatprep_declarative_if_statement
non_empty_declarative_part ::=
_declarative_item_pragma+
entry_declaration ::=
overriding_indicator? [eE][nN][tT][rR][yY] identifier ( '(' _discrete_subtype_definition ')' )? formal_part? aspect_specification? ';'
entry_body ::=
[eE][nN][tT][rR][yY] identifier ( '(' entry_index_specification ')' )? formal_part? aspect_specification? entry_barrier [iI][sS] non_empty_declarative_part? [bB][eE][gG][iI][nN] handled_sequence_of_statements [eE][nN][dD] identifier? ';'
entry_barrier ::=
[wW][hH][eE][nN] expression
entry_index_specification ::=
[fF][oO][rR] identifier [iI][nN] _discrete_subtype_definition aspect_specification?
enumeration_aggregate ::=
_array_aggregate
enumeration_representation_clause ::=
[fF][oO][rR] _name [uU][sS][eE] enumeration_aggregate ';'
exception_choice_list ::=
exception_choice ( '|' exception_choice )*
exception_choice ::=
_name
| [oO][tT][hH][eE][rR][sS]
exception_declaration ::=
_defining_identifier_list ':' [eE][xX][cC][eE][pP][tT][iI][oO][nN] aspect_specification? ';'
exception_handler ::=
[wW][hH][eE][nN] ( choice_parameter_specification ':' )? exception_choice_list '=>' _sequence_of_statements
formal_part ::=
'(' _parameter_specification_list ')'
function_specification ::=
[fF][uU][nN][cC][tT][iI][oO][nN] _name _parameter_and_result_profile
_generic_declaration ::=
generic_subprogram_declaration
| generic_package_declaration
generic_formal_part ::=
[gG][eE][nN][eE][rR][iI][cC] _generic_formal_parameter_declaration*
_generic_formal_parameter_declaration ::=
formal_object_declaration
| _formal_type_declaration
| formal_subprogram_declaration
| formal_package_declaration
| use_clause
| pragma_g
generic_subprogram_declaration ::=
generic_formal_part _subprogram_specification aspect_specification? ';'
generic_package_declaration ::=
generic_formal_part package_declaration
generic_instantiation ::=
( [pP][aA][cC][kK][aA][gG][eE] _name | overriding_indicator? ( [pP][rR][oO][cC][eE][dD][uU][rR][eE] _name | [fF][uU][nN][cC][tT][iI][oO][nN] _name ) ) [iI][sS] [nN][eE][wW] _name aspect_specification? ';'
formal_object_declaration ::=
_defining_identifier_list ':' non_empty_mode? null_exclusion? _name _assign_value? aspect_specification? ';'
| _defining_identifier_list ':' non_empty_mode? access_definition _assign_value? aspect_specification? ';'
_formal_type_declaration ::=
formal_complete_type_declaration
| formal_incomplete_type_declaration
formal_complete_type_declaration ::=
[tT][yY][pP][eE] identifier _discriminant_part? [iI][sS] _formal_type_definition ( [oO][rR] [uU][sS][eE] _name )? aspect_specification? ';'
formal_incomplete_type_declaration ::=
[tT][yY][pP][eE] identifier _discriminant_part? ( [iI][sS] [tT][aA][gG][gG][eE][dD] )? ( [oO][rR] [uU][sS][eE] _name )? ';'
_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_interface_type_definition
formal_private_type_definition ::=
( [aA][bB][sS][tT][rR][aA][cC][tT]? [tT][aA][gG][gG][eE][dD] )? [lL][iI][mM][iI][tT][eE][dD]? [pP][rR][iI][vV][aA][tT][eE]
formal_derived_type_definition ::=
[aA][bB][sS][tT][rR][aA][cC][tT]? ( [lL][iI][mM][iI][tT][eE][dD] | [sS][yY][nN][cC][hH][rR][oO][nN][iI][zZ][eE][dD] )? [nN][eE][wW] _name ( ( [aA][nN][dD] _interface_list )? [wW][iI][tT][hH] [pP][rR][iI][vV][aA][tT][eE] )?
formal_discrete_type_definition ::=
'(' '<>' ')'
formal_signed_integer_type_definition ::=
[rR][aA][nN][gG][eE] '<>'
formal_modular_type_definition ::=
[mM][oO][dD] '<>'
formal_floating_point_definition ::=
[dD][iI][gG][iI][tT][sS] '<>'
formal_ordinary_fixed_point_definition ::=
[dD][eE][lL][tT][aA] '<>'
formal_decimal_fixed_point_definition ::=
[dD][eE][lL][tT][aA] '<>' [dD][iI][gG][iI][tT][sS] '<>'
formal_array_type_definition ::=
array_type_definition
formal_access_type_definition ::=
_access_type_definition
formal_interface_type_definition ::=
interface_type_definition
formal_subprogram_declaration ::=
formal_concrete_subprogram_declaration
| formal_abstract_subprogram_declaration
formal_concrete_subprogram_declaration ::=
[wW][iI][tT][hH] _subprogram_specification ( [iI][sS] subprogram_default )? aspect_specification? ';'
formal_abstract_subprogram_declaration ::=
[wW][iI][tT][hH] _subprogram_specification [iI][sS] [aA][bB][sS][tT][rR][aA][cC][tT] subprogram_default? aspect_specification? ';'
subprogram_default ::=
_name
| '<>'
| [nN][uU][lL][lL]
formal_package_declaration ::=
[wW][iI][tT][hH] [pP][aA][cC][kK][aA][gG][eE] identifier [iI][sS] [nN][eE][wW] _name aspect_specification? ';'
formal_group_designator ::=
'null'
| 'all'
extended_global_aspect_element ::=
[uU][sS][eE] ( formal_group_designator | _name ( ',' _name )* )
global_aspect_definition ::=
global_mode
| '(' global_aspect_element ( ',' global_aspect_element )* ')'
global_aspect_element ::=
global_mode _name_list
global_mode ::=
non_empty_mode
| [oO][vV][eE][rR][rR][iI][dD][iI][nN][gG]
handled_sequence_of_statements ::=
_sequence_of_statements ( [eE][xX][cC][eE][pP][tT][iI][oO][nN] exception_handler+ )?
loop_label ::=
identifier ':'
label ::=
'<<' identifier '>>'
mod_clause ::=
[aA][tT] [mM][oO][dD] expression ';'
non_empty_mode ::=
[iI][nN]
| [iI][nN] [oO][uU][tT]
| [oO][uU][tT]
null_procedure_declaration ::=
overriding_indicator? procedure_specification [iI][sS] [nN][uU][lL][lL] aspect_specification? ';'
null_statement ::=
[nN][uU][lL][lL] ';'
number_declaration ::=
_defining_identifier_list ':' [cC][oO][nN][sS][tT][aA][nN][tT] _assign_value ';'
object_declaration ::=
_defining_identifier_list ':' [aA][lL][iI][aA][sS][eE][dD]? [cC][oO][nN][sS][tT][aA][nN][tT]? ( _subtype_indication | access_definition | array_type_definition ) _assign_value? aspect_specification? ';'
| single_task_declaration
| single_protected_declaration
single_task_declaration ::=
[tT][aA][sS][kK] identifier aspect_specification? ( [iI][sS] ( [nN][eE][wW] _interface_list [wW][iI][tT][hH] )? task_definition )? ';'
task_type_declaration ::=
[tT][aA][sS][kK] [tT][yY][pP][eE] identifier known_discriminant_part? aspect_specification? ( [iI][sS] ( [nN][eE][wW] _interface_list [wW][iI][tT][hH] )? task_definition )? ';'
_task_item ::=
entry_declaration
| _aspect_clause
| pragma_g
task_definition ::=
_task_item* ( [pP][rR][iI][vV][aA][tT][eE] _task_item* )? [eE][nN][dD] identifier?
overriding_indicator ::=
[nN][oO][tT]? [oO][vV][eE][rR][rR][iI][dD][iI][nN][gG]
_parameter_and_result_profile ::=
formal_part? result_profile
parameter_specification ::=
_defining_identifier_list ':' ( [aA][lL][iI][aA][sS][eE][dD]? non_empty_mode? null_exclusion? _name | access_definition ) _assign_value? aspect_specification?
_parameter_specification_list ::=
parameter_specification ( ';' parameter_specification )*
pragma_g ::=
[pP][rR][aA][gG][mM][aA] identifier ( '(' ( pragma_argument_association ( ',' pragma_argument_association )* | _conditional_quantified_declare_expression ) ')' )? ';'
pragma_argument_association ::=
( _aspect_mark '=>' )? expression
if_expression ::=
[iI][fF] expression [tT][hH][eE][nN] expression elsif_expression_item* ( [eE][lL][sS][eE] expression )?
elsif_expression_item ::=
[eE][lL][sS][iI][fF] expression [tT][hH][eE][nN] expression
procedure_specification ::=
[pP][rR][oO][cC][eE][dD][uU][rR][eE] _name formal_part?
record_representation_clause ::=
[fF][oO][rR] _name [uU][sS][eE] [rR][eE][cC][oO][rR][dD] mod_clause? component_clause* [eE][nN][dD] [rR][eE][cC][oO][rR][dD] _name? ';'
_renaming_declaration ::=
object_renaming_declaration
| exception_renaming_declaration
| package_renaming_declaration
| subprogram_renaming_declaration
| generic_renaming_declaration
object_renaming_declaration ::=
identifier ( ':' null_exclusion? _name )? [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
| identifier ':' access_definition [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
exception_renaming_declaration ::=
identifier ':' [eE][xX][cC][eE][pP][tT][iI][oO][nN] [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
package_renaming_declaration ::=
[pP][aA][cC][kK][aA][gG][eE] _name [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
subprogram_renaming_declaration ::=
overriding_indicator? _subprogram_specification [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
generic_renaming_declaration ::=
[gG][eE][nN][eE][rR][iI][cC] [pP][aA][cC][kK][aA][gG][eE] _name [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
| [gG][eE][nN][eE][rR][iI][cC] [pP][rR][oO][cC][eE][dD][uU][rR][eE] _name [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
| [gG][eE][nN][eE][rR][iI][cC] [fF][uU][nN][cC][tT][iI][oO][nN] _name [rR][eE][nN][aA][mM][eE][sS] _name aspect_specification? ';'
result_profile ::=
[rR][eE][tT][uU][rR][nN] ( null_exclusion? _name | access_definition )
_sequence_of_statements ::=
_statement+ label*
_simple_statement ::=
null_statement
| assignment_statement
| exit_statement
| goto_statement
| procedure_call_statement
| simple_return_statement
| requeue_statement
| _delay_statement
| abort_statement
| raise_statement
| pragma_g
_statement ::=
label* ( _simple_statement | _compound_statement )
_compound_statement ::=
if_statement
| gnatprep_if_statement
| case_statement
| loop_statement
| block_statement
| extended_return_statement
| accept_statement
| _select_statement
_select_statement ::=
selective_accept
| timed_entry_call
| conditional_entry_call
| asynchronous_select
entry_call_alternative ::=
procedure_call_statement _sequence_of_statements?
asynchronous_select ::=
[sS][eE][lL][eE][cC][tT] triggering_alternative [tT][hH][eE][nN] [aA][bB][oO][rR][tT] _sequence_of_statements [eE][nN][dD] [sS][eE][lL][eE][cC][tT] ';'
triggering_alternative ::=
procedure_call_statement _sequence_of_statements?
| _delay_statement _sequence_of_statements?
conditional_entry_call ::=
[sS][eE][lL][eE][cC][tT] entry_call_alternative [eE][lL][sS][eE] _sequence_of_statements [eE][nN][dD] [sS][eE][lL][eE][cC][tT] ';'
delay_alternative ::=
_delay_statement _sequence_of_statements?
timed_entry_call ::=
[sS][eE][lL][eE][cC][tT] entry_call_alternative [oO][rR] delay_alternative [eE][nN][dD] [sS][eE][lL][eE][cC][tT] ';'
guard ::=
[wW][hH][eE][nN] expression '=>'
select_alternative ::=
accept_alternative
| delay_alternative
| terminate_alternative
accept_alternative ::=
accept_statement _sequence_of_statements?
terminate_alternative ::=
[tT][eE][rR][mM][iI][nN][aA][tT][eE] ';'
selective_accept ::=
[sS][eE][lL][eE][cC][tT] guard? select_alternative ( [oO][rR] guard? select_alternative )* ( [eE][lL][sS][eE] _sequence_of_statements )? [eE][nN][dD] [sS][eE][lL][eE][cC][tT] ';'