library

Prolog files

aggregate.pl  -- Aggregation operators on backtrackable predicatesShow source
ansi_term.pl  -- Print decorated text to ANSI consolesShow source
apply.pl  -- Apply predicates on a listShow source
apply_macros.pl  -- Goal expansion rules to avoid meta-callingShow source
arithmetic.pl  -- Extensible arithmeticShow source
assoc.pl  -- Binary associationsShow source
atom.pl  -- Operations on atomsShow source
backcomp.plShow source
$apropos_match/2True if Needle is a sub atom of Haystack.Source
$arch/2Source
$argv/1Source
$declare_module/3Used in triple20 particle library.Source
$home/1Source
$module/2Source
$set_prompt/1Set the prompt for the toplevel.Source
$sig_atomic/1Execute Goal without processing signals.Source
$strip_module/3This used to be an internal predicate.Source
$version/1Source
C/3Used to be generated by DCG.Source
at_initialization/1Register goal only to be run if a saved state is restored.Source
call_cleanup/3Call Cleanup with an indication of the reason unified to Catcher.Source
checklist/2Source
concat/3Source
concat_atom/2Concatenate a list of atomic values to an atom.Source
concat_atom/3Concatenate a list of atomic values to an atom, inserting Separator between each consecutive elements.Source
convert_time/2Convert a time-stamp as obtained though get_time/1 into a textual representation using the C-library function ctime().Source
convert_time/8Convert a time stamp, provided by get_time/1, time_file/2, etc.Source
current_module/2True if Module is a module loaded from File.Source
current_mutex/3Source
current_thread/2Source
displayq/1Write term ignoring operators and quote atoms.Source
displayq/2Write term ignoring operators and quote atoms.Source
eval_license/0Source
export_list/2Module exports the predicates of List.Source
feature/2Control Prolog flags.Source
flush/0Source
free_variables/2Return a list of unbound variables in Term.Source
hash/1Demands PredInd to be indexed using a hash-table.Source
hash_term/2If Term is ground, Hash is unified to an integer representing a hash for Term.Source
index/1Prepare the predicate indicated by Head for multi-argument indexing.Source
lock_predicate/2Source
merge/3Merge the ordered sets List1 and List2 into a new ordered list.Source
merge_set/3Merge the ordered sets Set1 and Set2 into a new ordered set without duplicates.Source
message_queue_size/2True if Queue holds Size terms.Source
proper_list/1Old SWI-Prolog predicate to check for a list that really ends in a [].Source
read_clause/1Source
read_clause/2Source
read_history/6Source
read_pending_input/3Source
read_variables/2Source
read_variables/3Source
set_base_module/1Set the default module from which we inherit.Source
set_feature/2Control Prolog flags.Source
setup_and_call_cleanup/3Call Cleanup once after Goal is finished.Source
setup_and_call_cleanup/4Call Cleanup once after Goal is finished, with Catcher unified to the reason.Source
sformat/2Source
sformat/3Source
string_to_atom/2Bi-directional conversion between string and atom.Source
string_to_list/2Bi-directional conversion between a string and a list of character codes.Source
sublist/3Succeeds if List2 unifies with a list holding those terms for which call(Goal, Elem) succeeds.Source
substring/4Predecessor of sub_string using 1-based Offset.Source
sumlist/2True when Sum is the list of all numbers in List.Source
thread_at_exit/1Register Goal to be called when the calling thread exits.Source
trie_insert_new/3Source
unlock_predicate/2Source
write_ln/1Source
base32.pl  -- Base32 encoding and decodingShow source
base64.pl  -- Base64 encoding and decodingShow source
broadcast.pl  -- Event serviceShow source
charsio.pl  -- I/O on Lists of Character CodesShow source
check.pl  -- Consistency checkingShow source
codesio.pl  -- I/O on Lists of Character CodesShow source
coinduction.pl  -- Co-Logic ProgrammingShow source
csv.pl  -- Process CSV (Comma-Separated Values) dataShow source
ctypes.pl  -- Character code classificationShow source
date.pl  -- Process dates and timesShow source
debug.pl  -- Print debug messages and test assertionsShow source
dialect.pl  -- Support multiple Prolog dialectsShow source
dicts.pl  -- Dict utilitiesShow source
dif.pl  -- The dif/2 constraintShow source
edinburgh.pl  -- Some traditional Edinburgh predicatesShow source
edit.plShow source
edit/0Edit associated or script file.Source
edit/1Edit indicated object.Source
edit_command/2This predicate should specify the shell-command called to invoke the user's editor.Source
locate/2Locate object from the specified location.Source
locate/3Source
select_location/3Source
error.plShow source
gensym.pl  -- Generate unique symbolsShow source
git.pl  -- Run GIT commandsShow source
heaps.pl  -- heaps/priority queuesShow source
increval.plShow source
incr_directly_depends/2True if Goal1 depends on Goal2 in the IDG.Source
incr_invalid_subgoals/1List is a sorted list (set) of the incremental subgoals that are currently invalid.Source
incr_invalidate_call/1This is the XSB name, but the manual says incr_invalidate_calls/1 and the comment with the code suggests this is misnamed.Source
incr_invalidate_calls/1Invalidate all tables for subgoals of Goal as well as tables that are affected by these.Source
incr_is_invalid/1True when Subgoal's table is marked as invalid.Source
incr_propagate_calls/1Activate the monotonic answer propagation similarly to when a new fact is asserted for a monotonic dynamic predicate.Source
incr_table_update/0Updated all invalid tables.Source
incr_trans_depends/2True for each pair in the transitive closure of incr_directly_depends(G1, G2).Source
is_incremental_subgoal/1This predicate non-deterministically unifies Subgoal with incrementally tabled subgoals that are currently table entries.Source
iostream.pl  -- Utilities to deal with streamsShow source
lazy_lists.pl  -- Lazy list handlingShow source
listing.pl  -- List programs and pretty print clausesShow source
lists.pl  -- List ManipulationShow source
macros.plShow source
expand_macros/5Perform macro expansion on TermIn with layout PosIn to produce TermOut with layout PosOut.Source
include_macros/3Include macros from another module.Source
macro_position/1True when Position is the position of the macro.Source
main.pl  -- Provide entry point for scriptsShow source
make.pl  -- Reload modified source filesShow source
modules.pl  -- Module utility predicatesShow source
nb_set.pl  -- Non-backtrackable setsShow source
occurs.pl  -- Finding and counting sub-termsShow source
operators.pl  -- Manage operatorsShow source
option.pl  -- Option list processingShow source
optparse.pl  -- command line parsingShow source
ordsets.pl  -- Ordered set manipulationShow source
pairs.pl  -- Operations on key-value listsShow source
persistency.pl  -- Provide persistent dynamic predicatesShow source
pio.pl  -- Pure I/OShow source
portray_text.pl  -- Portray textShow source
pprint.pl  -- Pretty Print Prolog termsShow source
predicate_options.pl  -- Access and analyse predicate optionsShow source
prolog_autoload.pl  -- Autoload all dependenciesShow source
prolog_breakpoints.pl  -- Manage Prolog break-pointsShow source
prolog_clause.plShow source
prolog_code.pl  -- Utilities for reasoning about codeShow source
prolog_colour.pl  -- Prolog syntax colouring support.Show source
prolog_config.pl  -- Provide configuration informationShow source
prolog_coverage.pl  -- Coverage analysis toolShow source
prolog_debug.pl  -- User level debugging toolsShow source
prolog_format.pl  -- Analyse format specificationsShow source
prolog_history.pl  -- Per-directory persistent commandline historyShow source
prolog_jiti.pl  -- Just In Time Indexing (JITI) utilitiesShow source
prolog_pack.pl  -- A package manager for PrologShow source
prolog_source.pl  -- Examine Prolog source-filesShow source
prolog_stack.pl  -- Examine the Prolog stackShow source
prolog_trace.plShow source
list_tracing/0List predicates we are currently tracing.Source
notraceall/0Remove all trace points.Source
trace/1Print passes through ports of specified predicates.Source
trace/2Print passes through ports of specified predicates.Source
tracing/2True if Spec is traced using Ports.Source
prolog_versions.pl  -- Demand specific (Prolog) versionsShow source
prolog_xref.plShow source
called_by/2If this succeeds, the cross-referencer assumes Goal may call any of the goals in ListOfCalled.Source
called_by/4True when Called is a list of callable terms called from Goal, handled by the predicate Module:Goal and executed in the context of the module Context.Source
hook/1True if Goal is a hook that is called spontaneously (e.g., from foreign code).Source
meta_goal/2Define meta-predicates.Source
xref_called/3True when By is called from Called in Source.Source
xref_called/4True when By is called from Called in Source.Source
xref_called/5True when By is called from Called in Source.Source
xref_clean/1Reset the database for the given source.Source
xref_comment/3Is true when Source has a section comment with Title and Comment.Source
xref_comment/4Is true when Head in Source has the given PlDoc comment.Source
xref_current_source/1Check what sources have been analysed.Source
xref_defined/3Test if Goal is accessible in Source.Source
xref_definition_line/2If the 3th argument of xref_defined contains line info, return this in Line.Source
xref_done/2Cross-reference executed at Time.Source
xref_exported/2True when Source exports Head.Source
xref_hook/1Definition of known hooks.Source
xref_meta/2True when Called is a list of terms called from Head.Source
xref_meta/3True when Head calls Called in Source.Source
xref_mode/3Is true when Source provides a predicate with Mode and determinism.Source
xref_module/2True if Module is defined in Source.Source
xref_op/2Give the operators active inside the module.Source
xref_option/2True when Source was processed using Option.Source
xref_prolog_flag/4True when Flag is set to Value at Line in Source.Source
xref_public_list/3Find meta-information about File.Source
xref_public_list/4Find meta-information about File.Source
xref_public_list/6Find meta-information about File.Source
xref_public_list/7Find meta-information about File.Source
xref_source/1Generate the cross-reference data for Source if not already done and the source is not modified.Source
xref_source/2Generate the cross-reference data for Source if not already done and the source is not modified.Source
xref_source_file/3Find named source file from Spec, relative to Src.Source
xref_source_file/4Find named source file from Spec, relative to Src.Source
xref_uses_file/3True when Source tries to load a file using Spec.Source
pure_input.plShow source
lazy_list_character_count/3True when CharCount is the current character count in the Lazy list.Source
lazy_list_location/3Determine current (error) location in a lazy list.Source
phrase_from_file/2Process the content of File using the DCG rule Grammar.Source
phrase_from_file/3As phrase_from_file/2, providing additional Options.Source
phrase_from_stream/2Run Grammer against the character codes on Stream.Source
stream_to_lazy_list/2Create a lazy list representing the character codes in Stream.Source
syntax_error/3Throw the syntax error Error at the current location of the input.Source
quasi_quotations.pl  -- Define Quasi Quotation syntaxShow source
quintus.pl  -- Quintus compatibilityShow source
random.pl  -- Random numbersShow source
rbtrees.pl  -- Red black treesShow source
readln.plShow source
readutil.pl  -- Read utilitiesShow source
record.pl  -- Access compound arguments by nameShow source
sandbox.plShow source
settings.pl  -- Setting managementShow source
shlib.pl  -- Utility library for loading foreign objects (DLLs, shared objects)Show source
solution_sequences.pl  -- Modify solution sequencesShow source
sort.plShow source
statistics.pl  -- Get information about resource usageShow source
strings.pl  -- String utilitiesShow source
system.pl  -- System utilitiesShow source
tables.plShow source
abolish_table_call/1Same as abolish_table_subgoals/1.Source
abolish_table_call/2Same as abolish_table_subgoals/1.Source
abolish_table_pred/1Invalidates all tabled subgoals for the predicate denoted by the predicate or term indicator Pred.Source
abolish_table_subgoals/2Behaves as abolish_table_subgoals/1, but allows the default table_gc_action to be over-ridden with a flag, which can be either abolish_tables_transitively or abolish_tables_singly.Source
get_call/3True when Trie is an answer trie for a variant of CallTerm.Source
get_calls/3True when Trie is an answer trie for a variant that unifies with CallTerm and Skeleton is the answer skeleton.Source
get_residual/2True if CallTerm appears in a table and has DelayList.Source
get_returns/2True when Return is an answer template for the AnswerTrie.Source
get_returns/3True when Return is an answer template for the AnswerTrie and the answer is represented by the trie node NodeID.Source
get_returns_and_dls/3True when Return appears in AnswerTrie with the given DelayLists.Source
get_returns_and_tvs/3Identical to get_returns/2, but also obtains the truth value of a given answer, setting TruthValue to t if the answer is unconditional and to u if it is conditional.Source
get_returns_for_call/2True if AnswerTerm appears in the tables for the variant CallTerm.Source
set_pil_off/0Dummy predicates for XSB compatibility.Source
set_pil_on/0Dummy predicates for XSB compatibility.Source
t not/1Tabled negation.Source
tfindall/3This predicate emerged in XSB in an attempt to provide a safer alternative to findall/3.Source
terms.pl  -- Term manipulationShow source
thread.pl  -- High level thread primitivesShow source
thread_pool.plShow source
create_pool/1Hook to create a thread pool lazily.Source
current_thread_pool/1True if Name refers to a defined thread pool.Source
thread_create_in_pool/4Create a thread in Pool.Source
thread_pool_create/3Create a pool of threads.Source
thread_pool_destroy/1Destroy the thread pool named Name.Source
thread_pool_property/2True if Property is a property of thread pool Name.Source
worker_exitted/3It is possible that '__thread_pool_manager' no longer exists while closing down the process because the manager was killed before the worker.Source
threadutil.pl  -- Interactive thread utilitiesShow source
tty.pl  -- Terminal operationsShow source
ugraphs.pl  -- Graph manipulation libraryShow source
url.pl  -- Analysing and constructing URLShow source
utf8.pl  -- UTF-8 encoding/decoding on lists of character codes.Show source
varnumbers.pl  -- Utilities for numbered termsShow source
wfs.pl  -- Well Founded Semantics interfaceShow source
when.pl  -- Conditional coroutiningShow source
www_browser.plShow source
expand_url_path/2Expand URL specifications similar to absolute_file_name/3.Source
known_browser/2True if browser FileBaseName has a remote protocol compatible to Compatible.Source
www_open_url/1Open URL in running version of the users' browser or start a new browser.Source
yall.pl  -- Lambda expressionsShow source