Grammar
The Logtalk grammar is here described using Backus-Naur Form syntax.
Non-terminal symbols in italics have the definition found in the ISO
Prolog Core standard. Terminal symbols are represented in a
fixed width font and between double-quotes.
Entities
entity ::=
object |
category |
protocol
Object definition
object ::=
begin_object_directive [ object_terms ] end_object_directive.
begin_object_directive ::=
“
:- object(” object_identifier [ “,” object_relations ] “).”end_object_directive ::=
“
:- end_object.”object_relations ::=
prototype_relations |
non_prototype_relations
prototype_relations ::=
prototype_relation |
prototype_relation “
,” prototype_relationsprototype_relation ::=
implements_protocols |
imports_categories |
extends_objects
non_prototype_relations ::=
non_prototype_relation |
non_prototype_relation “
,” non_prototype_relationsnon_prototype_relation ::=
implements_protocols |
imports_categories |
instantiates_classes |
specializes_classes
Category definition
category ::=
begin_category_directive [ category_terms ] end_category_directive.
begin_category_directive ::=
“
:- category(” category_identifier [ “,” category_relations ] “).”end_category_directive ::=
“
:- end_category.”category_relations ::=
category_relation |
category_relation “
,” category_relationscategory_relation ::=
implements_protocols |
extends_categories |
complements_objects
Protocol definition
protocol ::=
begin_protocol_directive [ protocol_directives ] end_protocol_directive.
begin_protocol_directive ::=
“
:- protocol(” protocol_identifier [ “,” extends_protocols ] “).”end_protocol_directive ::=
“
:- end_protocol.”Entity relations
extends_protocols ::=
“
extends(” extended_protocols “)”extends_objects ::=
“
extends(” extended_objects “)”extends_categories ::=
“
extends(” extended_categories “)”implements_protocols ::=
“
implements(” implemented_protocols “)”imports_categories ::=
“
imports(” imported_categories “)”instantiates_classes ::=
“
instantiates(” instantiated_objects “)”specializes_classes ::=
“
specializes(” specialized_objects “)”complements_objects ::=
“
complements(” complemented_objects “)”Implemented protocols
implemented_protocols ::=
implemented_protocol |
implemented_protocol_sequence |
implemented_protocol_list
implemented_protocol ::=
protocol_identifier |
scope “
::” protocol_identifierimplemented_protocol_sequence ::=
implemented_protocol |
implemented_protocol “
,” implemented_protocol_sequenceimplemented_protocol_list ::=
“
[” implemented_protocol_sequence “]”Extended protocols
extended_protocols ::=
extended_protocol |
extended_protocol_sequence |
extended_protocol_list
extended_protocol ::=
protocol_identifier |
scope “
::” protocol_identifierextended_protocol_sequence ::=
extended_protocol |
extended_protocol “
,” extended_protocol_sequenceextended_protocol_list ::=
“
[” extended_protocol_sequence “]”Imported categories
imported_categories ::=
imported_category |
imported_category_sequence |
imported_category_list
imported_category ::=
category_identifier |
scope “
::” category_identifierimported_category_sequence ::=
imported_category |
imported_category “
,” imported_category_sequenceimported_category_list ::=
“
[” imported_category_sequence “]”Extended objects
extended_objects ::=
extended_object |
extended_object_sequence |
extended_object_list
extended_object ::=
object_identifier |
scope “
::” object_identifierextended_object_sequence ::=
extended_object |
extended_object “
,” extended_object_sequenceextended_object_list ::=
“
[” extended_object_sequence “]”Extended categories
extended_categories ::=
extended_category |
extended_category_sequence |
extended_category_list
extended_category ::=
category_identifier |
scope “
::” category_identifierextended_category_sequence ::=
extended_category |
extended_category “
,” extended_category_sequenceextended_category_list ::=
“
[” extended_category_sequence “]”Instantiated objects
instantiated_objects ::=
instantiated_object |
instantiated_object_sequence |
instantiated_object_list
instantiated_object ::=
object_identifier |
scope “
::” object_identifierinstantiated_object_sequence ::=
instantiated_object
instantiated_object “
,” instantiated_object_sequence |instantiated_object_list ::=
“
[” instantiated_object_sequence “]”Specialized objects
specialized_objects ::=
specialized_object |
specialized_object_sequence |
specialized_object_list
specialized_object ::=
object_identifier |
scope “
::” object_identifierspecialized_object_sequence ::=
specialized_object |
specialized_object “
,” specialized_object_sequencespecialized_object_list ::=
“
[” specialized_object_sequence “]”Complemented objects
complemented_objects ::=
object_identifier |
complemented_object_sequence |
complemented_object_list
complemented_object_sequence ::=
object_identifier |
object_identifier “
,” complemented_object_sequencecomplemented_object_list ::=
“
[” complemented_object_sequence “]”Entity and predicate scope
scope ::=
“
public” |“
protected” |“
private”Entity identifiers
entity_identifiers ::=
entity_identifier |
entity_identifier_sequence |
entity_identifier_list
entity_identifier ::=
object_identifier |
protocol_identifier |
category_identifier
entity_identifier_sequence ::=
entity_identifier |
entity_identifier “
,” entity_identifier_sequenceentity_identifier_list ::=
“
[” entity_identifier_sequence “]”Object identifiers
object_identifiers ::=
object_identifier |
object_identifier_sequence |
object_identifier_list
object_identifier ::=
atom |
compound
object_identifier_sequence ::=
object_identifier |
object_identifier “
,” object_identifier_sequenceobject_identifier_list ::=
“
[” object_identifier_sequence “]”Category identifiers
category_identifiers ::=
category_identifier |
category_identifier_sequence |
category_identifier_list
category_identifier ::=
atom |
compound
category_identifier_sequence ::=
category_identifier |
category_identifier “
,” category_identifier_sequencecategory_identifier_list ::=
“
[” category_identifier_sequence “]”Protocol identifiers
protocol_identifiers ::=
protocol_identifier |
protocol_identifier_sequence |
protocol_identifier_list
protocol_identifier ::=
atom
protocol_identifier_sequence ::=
protocol_identifier |
protocol_identifier “
,” protocol_identifier_sequenceprotocol_identifier_list ::=
“
[” protocol_identifier_sequence “]”Module identifiers
module_identifier ::=
atom
Source file names
source_file_names ::=
source_file_name |
source_file_name_list
source_file_name ::=
atom |
library_source_file_name
library_source_file_name ::=
library_name “
(” atom “)”library_name ::=
atom
source_file_name_sequence ::=
source_file_name |
source_file_name “
,” source_file_name_sequencesource_file_name_list ::=
“
[” source_file_name_sequence “]”Terms
Object terms
object_terms ::=
object_term |
object_term object_terms
object_term ::=
object_directive |
clause |
grammar_rule
Category terms
category_terms ::=
category_term |
category_term category_terms
category_term ::=
category_directive |
clause |
grammar_rule
Directives
Source file directives
source_file_directives ::=
source_file_directive |
source_file_directive source_file_directives
source_file_directive ::=
“
:- encoding(” atom “).” |“
:- set_logtalk_flag(” atom “,” nonvar “).” |“
:- include(” source_file_name “).”Prolog directives
Conditional compilation directives
conditional_compilation_directives ::=
conditional_compilation_directive |
conditional_compilation_directive conditional_compilation_directives
conditional_compilation_directive ::=
“
:- if(” callable “).” |“
:- elif(” callable “).” |“
:- else.” |“
:- endif.”Object directives
object_directives ::=
object_directive |
object_directive object_directives
object_directive ::=
“
:- initialization(” callable “).” |“
:- built_in.” |“
:- threaded.” |“
:- dynamic.” |“
:- info(” entity_info_list “).” |“
:- set_logtalk_flag(” atom “,” nonvar “).” |“
:- include(” source_file_name “).” |“
:- uses(” object_alias_list “).” |predicate_directives
Category directives
category_directives ::=
category_directive |
category_directive category_directives
category_directive ::=
“
:- built_in.” |“
:- dynamic.” |“
:- info(” entity_info_list “).” |“
:- set_logtalk_flag(” atom “,” nonvar “).” |“
:- include(” source_file_name “).” |“
:- uses(” object_alias_list “).” |predicate_directives
Protocol directives
protocol_directives ::=
protocol_directive |
protocol_directive protocol_directives
protocol_directive ::=
“
:- built_in.” |“
:- dynamic.” |“
:- info(” entity_info_list “).” |“
:- set_logtalk_flag(” atom “,” nonvar “).” |“
:- include(” source_file_name “).” |predicate_directives
Predicate directives
predicate_directives ::=
predicate_directive |
predicate_directive predicate_directives
predicate_directive ::=
alias_directive |
synchronized_directive |
uses_directive |
use_module_directive |
scope_directive |
mode_directive |
meta_predicate_directive |
meta_non_terminal_directive |
info_directive |
dynamic_directive |
discontiguous_directive |
multifile_directive |
coinductive_directive |
operator_directive
alias_directive ::=
“
:- alias(”entity_identifier “
,”predicate_indicator_alias_list | non_terminal_indicator_alias_list
“
).”synchronized_directive ::=
“
:- synchronized(” predicate_indicator_term | non_terminal_indicator_term “).”uses_directive ::=
“
:- uses(”object_identifier | parameter_variable “
,”predicate_indicator_alias_list | non_terminal_indicator_alias_list | operator_list
“
).”use_module_directive ::=
“
:- use_module(”module_identifier | parameter_variable “
,”module_predicate_indicator_alias_list | module_non_terminal_indicator_alias_list | operator_list
“
).”scope_directive ::=
“
:- public(” predicate_indicator_term | non_terminal_indicator_term “).” |“
:- protected(” predicate_indicator_term | non_terminal_indicator_term “).” |“
:- private(” predicate_indicator_term | non_terminal_indicator_term “).”mode_directive ::=
“
:- mode(”predicate_mode_term | non_terminal_mode_term “
,”number_of_proofs
“
).”meta_predicate_directive ::=
“
:- meta_predicate(” meta_predicate_template_term “).”meta_non_terminal_directive ::=
“
:- meta_non_terminal(” meta_non_terminal_template_term “).”info_directive ::=
“
:- info(”predicate_indicator | non_terminal_indicator “
,”predicate_info_list
“
).”dynamic_directive ::=
“
:- dynamic(” qualified_predicate_indicator_term | qualified_non_terminal_indicator_term “).”discontiguous_directive ::=
“
:- discontiguous(” predicate_indicator_term |non_terminal_indicator_term “
).”multifile_directive ::=
“
:- multifile(” qualified_predicate_indicator_term |qualified_non_terminal_indicator_term “
).”coinductive_directive ::=
“
:- coinductive(” predicate_indicator_term |coinductive_predicate_template_term “
).”parameter_variable ::=
_variable_
entity_resources_list ::=
predicate_indicator_list |
operator_list
predicate_indicator_term ::=
predicate_indicator |
predicate_indicator_sequence |
predicate_indicator_list
predicate_indicator_sequence ::=
predicate_indicator |
predicate_indicator “
,” predicate_indicator_sequencepredicate_indicator_list ::=
“
[” predicate_indicator_sequence “]”qualified_predicate_indicator_term ::=
qualified_predicate_indicator |
qualified_predicate_indicator_sequence |
qualified_predicate_indicator_list
qualified_predicate_indicator_sequence ::=
qualified_predicate_indicator |
qualified_predicate_indicator “
,” qualified_predicate_indicator_sequencequalified_predicate_indicator_list ::=
“
[” qualified_predicate_indicator_sequence “]”qualified_predicate_indicator ::=
predicate_indicator |
object_identifier “
::” predicate_indicator |category_identifier “
::” predicate_indicator |module_identifier “
:” predicate_indicatorpredicate_indicator_alias ::=
predicate_indicator |
predicate_indicator “
as” predicate_indicator |predicate_indicator “
::” predicate_indicatorpredicate_indicator_alias_sequence ::=
predicate_indicator_alias |
predicate_indicator_alias “
,” predicate_indicator_alias_sequencepredicate_indicator_alias_list ::=
“
[” predicate_indicator_alias_sequence “]”predicate_template_alias ::=
callable “
as” callable |callable “
::” callablepredicate_template_alias_sequence ::=
predicate_template_alias |
predicate_template_alias “
,” predicate_template_alias_sequencepredicate_template_alias_list ::=
“
[” predicate_template_alias_sequence “]”module_predicate_indicator_alias ::=
predicate_indicator |
predicate_indicator “
as” predicate_indicator |predicate_indicator “
:” predicate_indicatormodule_predicate_indicator_alias_sequence ::=
module_predicate_indicator_alias |
module_predicate_indicator_alias “
,” module_predicate_indicator_alias_sequencemodule_predicate_indicator_alias_list ::=
“
[” module_predicate_indicator_alias_sequence “]”module_non_terminal_indicator_alias ::=
non_terminal_indicator |
non_terminal_indicator “
as” non_terminal_indicatornon_terminal_indicator “
:” non_terminal_indicatormodule_non_terminal_indicator_alias_sequence ::=
module_non_terminal_indicator_alias |
module_non_terminal_indicator_alias “
,” module_non_terminal_indicator_alias_sequencemodule_non_terminal_indicator_alias_list ::=
“
[” module_non_terminal_indicator_alias_sequence “]”non_terminal_indicator_term ::=
non_terminal_indicator |
non_terminal_indicator_sequence |
non_terminal_indicator_list
non_terminal_indicator_sequence ::=
non_terminal_indicator |
non_terminal_indicator “
,” non_terminal_indicator_sequencenon_terminal_indicator_list ::=
“
[” non_terminal_indicator_sequence “]”non_terminal_indicator ::=
functor “
//” arityqualified_non_terminal_indicator_term ::=
qualified_non_terminal_indicator |
qualified_non_terminal_indicator_sequence |
qualified_non_terminal_indicator_list
qualified_non_terminal_indicator_sequence ::=
qualified_non_terminal_indicator |
qualified_non_terminal_indicator “
, ” qualified_non_terminal_indicator_sequencequalified_non_terminal_indicator_list ::=
“
[” qualified_non_terminal_indicator_sequence “]”qualified_non_terminal_indicator ::=
non_terminal_indicator |
object_identifier “
::” non_terminal_indicator |category_identifier “
::” non_terminal_indicator |module_identifier “
:” non_terminal_indicatornon_terminal_indicator_alias ::=
non_terminal_indicator |
non_terminal_indicator “
as” non_terminal_indicatornon_terminal_indicator “
::” non_terminal_indicatornon_terminal_indicator_alias_sequence ::=
non_terminal_indicator_alias |
non_terminal_indicator_alias “
,”non_terminal_indicator_alias_sequence
non_terminal_indicator_alias_list ::=
“
[” non_terminal_indicator_alias_sequence “]”operator_sequence ::=
operator specification |
operator specification “
,”operator_sequence
operator_list ::=
“
[” operator_sequence “]”coinductive_predicate_template_term ::=
coinductive_predicate_template |
coinductive_predicate_template_sequence |
coinductive_predicate_template_list
coinductive_predicate_template_sequence ::=
coinductive_predicate_template |
coinductive_predicate_template “
,”coinductive_predicate_template_sequence
coinductive_predicate_template_list ::=
“
[” coinductive_predicate_template_sequence “]”coinductive_predicate_template ::=
atom “
(” coinductive_mode_terms “)”coinductive_mode_terms ::=
coinductive_mode_term |
coinductive_mode_terms “
,” coinductive_mode_termscoinductive_mode_term ::=
“
+” | “-”predicate_mode_term ::=
atom “
(” mode_terms “)”non_terminal_mode_term ::=
atom “
(” mode_terms “)”mode_terms ::=
mode_term |
mode_term “
,” mode_termsmode_term ::=
“
@” [ type ] | “+” [ type ] | “-” [ type ] | “?” [type ] |
“
++” [ type ] | “--” [ type ]type ::=
prolog_type | logtalk_type | user_defined_type
prolog_type ::=
“
term” | “nonvar” | “var” |“
compound” | “ground” | “callable” | “list” |“
atomic” | “atom” |“
number” | “integer” | “float”logtalk_type ::=
“
object” | “category” | “protocol” |“
event”user_defined_type ::=
atom |
compound
number_of_proofs ::=
“
zero” | “zero_or_one” | “zero_or_more” | “one” |“
one_or_more” | “zero_or_error” | “one_or_error” |“
zero_or_one_or_error” | “error”meta_predicate_template_term ::=
meta_predicate_template |
meta_predicate_template_sequence |
meta_predicate_template_list
meta_predicate_template_sequence ::=
meta_predicate_template |
meta_predicate_template “
,” meta_predicate_template_sequencemeta_predicate_template_list ::=
“
[” meta_predicate_template_sequence “]”meta_predicate_template ::=
object_identifier “
::” atom “(” meta_predicate_specifiers “)” |category_identifier “
::” atom “(” meta_predicate_specifiers “)” |atom “
(” meta_predicate_specifiers “)”meta_predicate_specifiers ::=
meta_predicate_specifier |
meta_predicate_specifier “
,” meta_predicate_specifiersmeta_predicate_specifier ::=
non-negative integer | “
::” | “^” |“
*”meta_non_terminal_template_term ::=
meta_predicate_template_term
entity_info_list ::=
“
[]” |“
[” entity_info_item “is” nonvar “|” entity_info_list“
]”entity_info_item ::=
“
comment” | “remarks” |“
author” | “version” | “date” |“
copyright” | “license” |“
parameters” | “parnames” |“
see_also” |atom
predicate_info_list ::=
“
[]” |“
[” predicate_info_item “is” nonvar “|” predicate_info_list “]”predicate_info_item ::=
“
comment” | “remarks” |“
arguments” | “argnames” |“
redefinition” | “allocation” |“
examples” | “exceptions” |atom
object_alias ::=
object_identifier “
as” object_identifierobject_alias_sequence ::=
object_alias |
object_alias “
,” object_alias_sequenceobject_alias_list ::=
“
[” object_alias_sequence “]”Clauses and goals
clause ::=
object_identifier “
::” head “:-” body |module_identifier “
:” head “:-” body |head :- body |
fact
goal ::=
message_sending |
super_call |
external_call |
context_switching_call |
callable
message_sending ::=
message_to_object |
message_delegation |
message_to_self
message_to_object ::=
receiver “
::” messagesmessage_delegation ::=
“
[” message_to_object “]”message_to_self ::=
“
::” messagessuper_call ::=
“
^^” messagemessages ::=
message |
“
(” message “,” messages “)” |“
(” message “;” messages “)” |“
(” message “->” messages “)”message ::=
callable |
variable
receiver ::=
“
{” callable “}” |object_identifier |
variable
external_call ::=
“
{” callable “}”context_switching_call ::=
object_identifier “
<<” goalLambda expressions
lambda_expression ::=
lambda_free_variables “
/” lambda_parameters “>>” callable |lambda_free_variables “
/” callable |lambda_parameters “
>>” callablelambda_free_variables ::=
“
{” conjunction of variables “}” |“
{” variable “}” |“
{}”lambda_parameters ::=
list of terms |
“
[]”Entity properties
category_property ::=
“
static” |“
dynamic” |“
built_in” |“
file(” atom “)” |“
file(” atom “,” atom “)” |“
lines(” integer “,” integer “)” |“
events” |“
source_data” |“
public(” entity_resources_list “)” |“
protected(” entity_resources_list “)” |“
private(” entity_resources_list “)” |“
declares(” predicate_indicator “,” predicate_declaration_property_list “)” |“
defines(” predicate_indicator “,” predicate_definition_property_list “)” |“
includes(” predicate_indicator “,” object_identifier | category_identifier “,” predicate_definition_property_list “)” |“
provides(” predicate_indicator “,” object_identifier | category_identifier “,” predicate_definition_property_list “)” |“
alias(” predicate_indicator “,” predicate_alias_property_list “)” |“
calls(” predicate “,” predicate_call_update_property_list “)” |“
updates(” predicate “,” predicate_call_update_property_list “)” |“
number_of_clauses(” integer “)” |“
number_of_rules(” integer “)” |“
number_of_user_clauses(” integer “)” |“
number_of_user_rules(” integer “)” |“
debugging”object_property ::=
“
static” |“
dynamic” |“
built_in” |“
threaded” |“
file(” atom “)” |“
file(” atom “,” atom “)” |“
lines(” integer “,” integer “)” |“
context_switching_calls” |“
dynamic_declarations” |“
events” |“
source_data” |“
complements(” “allow” | “restrict” “)” |“
complements” |“
public(” entity_resources_list “)” |“
protected(” entity_resources_list “)” |“
private(” entity_resources_list “)” |“
declares(” predicate_indicator “,” predicate_declaration_property_list “)” |“
defines(” predicate_indicator “,” predicate_definition_property_list “)” |“
includes(” predicate_indicator “,” object_identifier | category_identifier “,” predicate_definition_property_list “)” |“
provides(” predicate_indicator “,” object_identifier | category_identifier “,” predicate_definition_property_list “)”“
alias(” predicate_indicator “,” predicate_alias_property_list “)” |“
calls(” predicate “,” predicate_call_update_property_list “)” |“
updates(” predicate “,” predicate_call_update_property_list “)” |“
number_of_clauses(” integer “)” |“
number_of_rules(” integer “)” |“
number_of_user_clauses(” integer “)”“
number_of_user_rules(” integer “)” |“
module |”“
debugging”protocol_property ::=
“
static” |“
dynamic” |“
built_in” |“
source_data” |“
file(” atom “)” |“
file(” atom “,” atom “)” |“
lines(” integer “,” integer “)” |“
public(” entity_resources_list “)” |“
protected(” entity_resources_list “)” |“
private(” entity_resources_list “)” |“
declares(” predicate_indicator “,” predicate_declaration_property_list “)” |“
alias(” predicate_indicator “,” predicate_alias_property_list “)” |“
debugging”predicate_declaration_property_list ::=
“
[” predicate_declaration_property_sequence “]”predicate_declaration_property_sequence ::=
predicate_declaration_property |
predicate_declaration_property “
,”predicate_declaration_property_sequence
predicate_declaration_property ::=
“
static” | “dynamic” |“
scope(” scope “)” |“
private” | “protected” | “public” |“
coinductive” |“
multifile” |“
synchronized” |“
meta_predicate(” meta_predicate_template “)” |“
coinductive(” coinductive_predicate_template “)” |“
non_terminal(” non_terminal_indicator “)” |“
include(” atom “)” |“
line_count(” integer “)” |“
mode(” predicate_mode_term | non_terminal_mode_term “,” number_of_proofs “)” |“
info(” list “)”predicate_definition_property_list ::=
“
[” predicate_definition_property_sequence “]”predicate_definition_property_sequence ::=
predicate_definition_property |
predicate_definition_property “
,”predicate_definition_property_sequence
predicate_definition_property ::=
“
inline” | “auxiliary” |“
non_terminal(” non_terminal_indicator “)” |“
include(” atom “)” |“
line_count(” integer “)” |“
number_of_clauses(” integer “)” |“
number_of_rules(” integer “)”predicate_alias_property_list ::=
“
[” predicate_alias_property_sequence “]”predicate_alias_property_sequence ::=
predicate_alias_property |
predicate_alias_property “
,” predicate_alias_property_sequencepredicate_alias_property ::=
“
for(” predicate_indicator “)” |“
from(” entity_identifier “)” |“
non_terminal(” non_terminal_indicator “)” |“
include(” atom “)” |“
line_count(” integer “)”predicate ::=
predicate_indicator |
“
^^” predicate_indicator |“
::” predicate_indicator |variable “
::” predicate_indicator |object_identifier “
::” predicate_indicator |variable “
:” predicate_indicator |module_identifier “
:” predicate_indicatorpredicate_call_update_property_list ::=
“
[” predicate_call_update_property_sequence “]”predicate_call_update_property_sequence ::=
predicate_call_update_property |
predicate_call_update_property “
,”predicate_call_update_property_sequence
predicate_call_update_property ::=
“
caller(” predicate_indicator “)” |“
include(” atom “)” |“
line_count(” integer “)” |“
as(” predicate_indicator “)”Predicate properties
predicate_property ::=
“
static” | “dynamic” |“
scope(” scope “)” |“
private” | “protected” | “public” |“
logtalk” | “prolog” | “foreign” |“
coinductive(” coinductive_predicate_template “)” |“
multifile” |“
synchronized” |“
built_in” |“
inline” |“
declared_in(” entity_identifier “)” |“
defined_in(” object_identifier | category_identifier “)” |“
redefined_from(” object_identifier | category_identifier “)” |“
meta_predicate(” meta_predicate_template “)” |“
alias_of(” callable “)” |“
alias_declared_in(” entity_identifier “)” |“
non_terminal(” non_terminal_indicator “)” |“
mode(” predicate_mode_term | non_terminal_mode_term “,” number_of_proofs “)” |“
info(” list “)” |“
number_of_clauses(” integer “)” |“
number_of_rules(” integer “)” |“
declared_in(” entity_identifier “,” line_count “)” |“
defined_in(” object_identifier | category_identifier “,” line_count “)” |“
redefined_from(” object_identifier | category_identifier “,” line_count “)” |“
alias_declared_in(” entity_identifier “,” line_count “)”line_count ::=
integer”
Compiler flags
compiler_flag ::=
flag(flag_value)