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< title > Logtalk Reference Manual< / title >
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< a href = "../index.html" > contents< / a >
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< h1 > Reference Manual< / h1 >
< h2 > < a name = "grammar" href = "grammar.html" > Grammar< / a > < / h2 >
< h3 > < a name = "compilation_units" href = "grammar.html#compilation_units" > Compilation units< / a > < / h3 >
< h3 > < a name = "object_definition" href = "grammar.html#object_definition" > Object definition< / a > < / h3 >
< h3 > < a name = "category_definition" href = "grammar.html#category_definition" > Category definition< / a > < / h3 >
< h3 > < a name = "protocol_definition" href = "grammar.html#protocol_definition" > Protocol definition< / a > < / h3 >
< h3 > < a name = "entity_relations" href = "grammar.html#entity_relations" > Entity relations< / a > < / h3 >
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< dl >
< dt > < a name = "implemented_protocols" href = "grammar.html#implemented_protocols" > Implemented protocols< / a > < / dt >
< dt > < a name = "extended_protocols" href = "grammar.html#extended_protocols" > Extended protocols< / a > < / dt >
< dt > < a name = "imported_categories" href = "grammar.html#imported_categories" > Imported categories< / a > < / dt >
< dt > < a name = "extended_objects" href = "grammar.html#extended_objects" > Extended objects< / a > < / dt >
< dt > < a name = "instantiated_objects" href = "grammar.html#instantiated_objects" > Instantiated objects< / a > < / dt >
< dt > < a name = "specialized_objects" href = "grammar.html#specialized_objects" > Specialized objects< / a > < / dt >
< dt > < a name = "scope" href = "grammar.html#scope" > Entity scope< / a > < / dt >
< / dl >
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< h3 > < a name = "entity_identifiers" href = "grammar.html#entity_identifiers" > Entity identifiers< / a > < / h3 >
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< dl >
< dt > < a name = "object_identifiers" href = "grammar.html#object_identifiers" > Object identifiers< / a > < / dt >
< dt > < a name = "category_identifiers" href = "grammar.html#category_identifiers" > Category identifiers< / a > < / dt >
< dt > < a name = "protocol_identifiers" href = "grammar.html#protocol_identifiers" > Protocol identifiers< / a > < / dt >
< / dl >
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< h3 > < a name = "directives" href = "grammar.html#directives" > Directives< / a > < / h3 >
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< dl >
< dt > < a name = "object_directives" href = "grammar.html#object_directives" > Object directives< / a > < / dt >
< dt > < a name = "category_directives" href = "grammar.html#category_directives" > Category directives< / a > < / dt >
< dt > < a name = "protocol_directives" href = "grammar.html#protocol_directives" > Protocol directives< / a > < / dt >
< dt > < a name = "predicate_directives" href = "grammar.html#predicate_directives" > Predicate directives< / a > < / dt >
< / dl >
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< h3 > < a name = "clauses" href = "grammar.html#clauses" > Clauses< / a > < / h3 >
< h3 > < a name = "entity_properties" href = "grammar.html#entity_properties" > Entity properties< / a > < / h3 >
< h3 > < a name = "predicate_properties" href = "grammar.html#predicate_properties" > Predicate properties< / a > < / h3 >
< h2 > < a name = "directives" > < / a > Directives< / h2 >
< h3 > Entity directives< / h3 >
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< dl >
< dt > < code > < a name = "calls1" href = "directives/calls1.html" > calls/1< / a > < / code > < / dt >
< dt > < code > < a name = "category1_2" href = "directives/category1_2.html" > category/1-2< / a > < / code > < / dt >
< dt > < code > < a name = "dynamic0" href = "directives/dynamic0.html" > dynamic/0< / a > < / code > < / dt >
< dt > < code > < a name = "end_category0" href = "directives/end_category0.html" > end_category/0< / a > < / code > < / dt >
< dt > < code > < a name = "end_object0" href = "directives/end_object0.html" > end_object/0< / a > < / code > < / dt >
< dt > < code > < a name = "end_protocol0" href = "directives/end_protocol0.html" > end_protocol/0< / a > < / code > < / dt >
< dt > < code > < a name = "info1" href = "directives/info1.html" > info/1< / a > < / code > < / dt >
< dt > < code > < a name = "initialization1" href = "directives/initialization1.html" > initialization/1< / a > < / code > < / dt >
< dt > < code > < a name = "object1_5" href = "directives/object1_5.html" > object/1-5< / a > < / code > < / dt >
< dt > < code > < a name = "protocol1_2" href = "directives/protocol1_2.html" > protocol/1-2< / a > < / code > < / dt >
< dt > < code > < a name = "uses1" href = "directives/uses1.html" > uses/1< / a > < / code > < / dt >
< / dl >
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< h3 > Predicate directives< / h3 >
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< dl >
< dt > < code > < a name = "discontiguous1" href = "directives/discontiguous1.html" > discontiguous/1< / a > < / code > < / dt >
< dt > < code > < a name = "dynamic1" href = "directives/dynamic1.html" > dynamic/1< / a > < / code > < / dt >
< dt > < code > < a name = "info2" href = "directives/info2.html" > info/2< / a > < / code > < / dt >
< dt > < code > < a name = "metapredicate1" href = "directives/metapredicate1.html" > metapredicate/1< / a > < / code > < / dt >
< dt > < code > < a name = "mode2" href = "directives/mode2.html" > mode/2< / a > < / code > < / dt >
< dt > < code > < a name = "op3" href = "directives/op3.html" > op/3< / a > < / code > < / dt >
< dt > < code > < a name = "private1" href = "directives/private1.html" > private/1< / a > < / code > < / dt >
< dt > < code > < a name = "protected1" href = "directives/protected1.html" > protected/1< / a > < / code > < / dt >
< dt > < code > < a name = "public1" href = "directives/public1.html" > public/1< / a > < / code > < / dt >
< / dl >
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< h2 > < a name = "builtins" > < / a > Built-in predicates< / h2 >
< h3 > Enumerating objects, categories and protocols< / h3 >
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< dl >
< dt > < code > < a name = "current_category1" href = "builtins/current_category1.html" > current_category/1< / a > < / code > < / dt >
< dt > < code > < a name = "current_object1" href = "builtins/current_object1.html" > current_object/1< / a > < / code > < / dt >
< dt > < code > < a name = "current_protocol1" href = "builtins/current_protocol1.html" > current_protocol/1< / a > < / code > < / dt >
< / dl >
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< h3 > Enumerating objects, categories and protocols properties< / h3 >
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< dl >
< dt > < code > < a name = "category_property2" href = "builtins/category_property2.html" > category_property/2< / a > < / code > < / dt >
< dt > < code > < a name = "object_property2" href = "builtins/object_property2.html" > object_property/2< / a > < / code > < / dt >
< dt > < code > < a name = "protocol_property2" href = "builtins/protocol_property2.html" > protocol_property/2< / a > < / code > < / dt >
< / dl >
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< h3 > Creating new objects, categories and protocols< / h3 >
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< dl >
< dt > < code > < a name = "create_category4" href = "builtins/create_category4.html" > create_category/4< / a > < / code > < / dt >
< dt > < code > < a name = "create_object4" href = "builtins/create_object4.html" > create_object/4< / a > < / code > < / dt >
< dt > < code > < a name = "create_protocol3" href = "builtins/create_protocol3.html" > create_protocol/3< / a > < / code > < / dt >
< / dl >
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< h3 > Abolishing objects, categories and protocols< / h3 >
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< dl >
< dt > < code > < a name = "abolish_category1" href = "builtins/abolish_category1.html" > abolish_category/1< / a > < / code > < / dt >
< dt > < code > < a name = "abolish_object1" href = "builtins/abolish_object1.html" > abolish_object/1< / a > < / code > < / dt >
< dt > < code > < a name = "abolish_protocol1" href = "builtins/abolish_protocol1.html" > abolish_protocol/1< / a > < / code > < / dt >
< / dl >
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< h3 > Objects, categories and protocols relations< / h3 >
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< dl >
< dt > < code > < a name = "extends_object2_3" href = "builtins/extends_object2_3.html" > extends_object/2-3< / a > < / code > < / dt >
< dt > < code > < a name = "extends_protocol2_3" href = "builtins/extends_protocol2_3.html" > extends_protocol/2-3< / a > < / code > < / dt >
< dt > < code > < a name = "implements_protocol2_3" href = "builtins/implements_protocol2_3.html" > implements_protocol/2-3< / a > < / code > < / dt >
< dt > < code > < a name = "imports_category2_3" href = "builtins/imports_category2_3.html" > imports_category/2-3< / a > < / code > < / dt >
< dt > < code > < a name = "instantiates_class2_3" href = "builtins/instantiates_class2_3.html" > instantiates_class/2-3< / a > < / code > < / dt >
< dt > < code > < a name = "specializes_class2_3" href = "builtins/specializes_class2_3.html" > specializes_class/2-3< / a > < / code > < / dt >
< / dl >
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< h3 > Event handling< / h3 >
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< dl >
< dt > < code > < a name = "abolish_events5" href = "builtins/abolish_events5.html" > abolish_events/5< / a > < / code > < / dt >
< dt > < code > < a name = "current_event5" href = "builtins/current_event5.html" > current_event/5< / a > < / code > < / dt >
< dt > < code > < a name = "define_events5" href = "builtins/define_events5.html" > define_events/5< / a > < / code > < / dt >
< / dl >
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< h3 > Compiling and loading objects, categories and protocols< / h3 >
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< dl >
< dt > < code > < a name = "logtalk_compile1" href = "builtins/logtalk_compile1.html" > logtalk_compile/1< / a > < / code > < / dt >
< dt > < code > < a name = "logtalk_compile2" href = "builtins/logtalk_compile2.html" > logtalk_compile/2< / a > < / code > < / dt >
< dt > < code > < a name = "logtalk_load1" href = "builtins/logtalk_load1.html" > logtalk_load/1< / a > < / code > < / dt >
< dt > < code > < a name = "logtalk_load2" href = "builtins/logtalk_load2.html" > logtalk_load/2< / a > < / code > < / dt >
< / dl >
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< h3 > Flags< / h3 >
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< dl >
< dt > < code > < a name = "current_logtalk_flag2" href = "builtins/current_logtalk_flag2.html" > current_logtalk_flag/2< / a > < / code > < / dt >
< dt > < code > < a name = "set_logtalk_flag2" href = "builtins/set_logtalk_flag2.html" > set_logtalk_flag/2< / a > < / code > < / dt >
< / dl >
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< h3 > Others< / h3 >
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< dl >
< dt > < code > < a name = "forall2" href = "builtins/forall2.html" > forall/2< / a > < / code > < / dt >
< dt > < code > < a name = "retractall1" href = "builtins/retractall1.html" > retractall/1< / a > < / code > < / dt >
< / dl >
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< h2 > < a name = "methods" > < / a > Built-in methods< / h2 >
< h3 > Local methods< / h3 >
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< dl >
< dt > < code > < a name = "parameter2" href = "methods/parameter2.html" > parameter/2< / a > < / code > < / dt >
< dt > < code > < a name = "self1" href = "methods/self1.html" > self/1< / a > < / code > < / dt >
< dt > < code > < a name = "sender1" href = "methods/sender1.html" > sender/1< / a > < / code > < / dt >
< dt > < code > < a name = "this1" href = "methods/this1.html" > this/1< / a > < / code > < / dt >
< / dl >
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< h3 > Reflection methods< / h3 >
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< dl >
< dt > < code > < a name = "current_predicate1" href = "methods/current_predicate1.html" > current_predicate/1< / a > < / code > < / dt >
< dt > < code > < a name = "predicate_property2" href = "methods/predicate_property2.html" > predicate_property/2< / a > < / code > < / dt >
< / dl >
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< h3 > Database methods< / h3 >
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< dl >
< dt > < code > < a name = "abolish1" href = "methods/abolish1.html" > abolish/1< / a > < / code > < / dt >
< dt > < code > < a name = "asserta1" href = "methods/asserta1.html" > asserta/1< / a > < / code > < / dt >
< dt > < code > < a name = "assertz1" href = "methods/assertz1.html" > assertz/1< / a > < / code > < / dt >
< dt > < code > < a name = "clause2" href = "methods/clause2.html" > clause/2< / a > < / code > < / dt >
< dt > < code > < a name = "retract1" href = "methods/retract1.html" > retract/1< / a > < / code > < / dt >
< dt > < code > < a name = "retractall1" href = "methods/retractall1.html" > retractall/1< / a > < / code > < / dt >
< / dl >
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< h3 > All solutions methods< / h3 >
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< dl >
< dt > < code > < a name = "bagof3" href = "methods/bagof3.html" > bagof/3< / a > < / code > < / dt >
< dt > < code > < a name = "findall3" href = "methods/findall3.html" > findall/3< / a > < / code > < / dt >
< dt > < code > < a name = "forall2" href = "methods/forall2.html" > forall/2< / a > < / code > < / dt >
< dt > < code > < a name = "setof3" href = "methods/setof3.html" > setof/3< / a > < / code > < / dt >
< / dl >
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< h3 > Event handler methods< / h3 >
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< dl >
< dt > < code > < a name = "before3" href = "methods/before3.html" > before/3< / a > < / code > < / dt >
< dt > < code > < a name = "after3" href = "methods/after3.html" > after/3< / a > < / code > < / dt >
< / dl >
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< h3 > DCG rules parsing methods< / h3 >
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< dl >
< dt > < code > < a name = "phrase2" href = "methods/phrase2.html" > phrase/2< / a > < / code > < / dt >
< dt > < code > < a name = "phrase3" href = "methods/phrase3.html" > phrase/3< / a > < / code > < / dt >
< / dl >
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< h2 > < a name = "constructs" > < / a > Control constructs< / h2 >
< h3 > Message sending< / h3 >
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< dl >
< dt > < code > < a name = "to_object2" href = "control/to_object2.html" > ::/2< / a > < / code > < / dt >
< dt > < code > < a name = "to_self1" href = "control/to_self1.html" > ::/1< / a > < / code > < / dt >
< dt > < code > < a name = "to_super1" href = "control/to_super1.html" > ^^/1< / a > < / code > < / dt >
< / dl >
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< h3 > Calling external code< / h3 >
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< dl >
< dt > < code > < a name = "to_object2" href = "control/external1.html" > {}/1< / a > < / code > < / dt >
< / dl >
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< div class = "navbottom" >
< a href = "../glossary.html" > glossary< / a >
< / div >
< div class = "copyright" >
Copyright © < a href = "mailto:pmoura@logtalk.org" > Paulo Moura< / a > — < a href = "http://www.logtalk.org" > Logtalk.org< / a >
< / div >
< div class = "footer" >
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< p > < span class = "bleft" > < a href = "http://validator.w3.org/check/referer" > XHTML< / a > + < a href = "http://jigsaw.w3.org/css-validator/check/referer" > CSS< / a > < / span > < span class = "bright" > Last updated on: July 22, 2004< / span > < / p >
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