library

Prolog files

aggregate.pl  -- Aggregation operators on backtrackable predicates
ansi_term.pl  -- Print decorated text to ANSI consoles
apply.pl  -- Apply predicates on a list
apply_macros.pl  -- Goal expansion rules to avoid meta-calling
apply_macros_sentinel/0	Used to detect that library(apply_macros) is loaded into the current context explicitly.
expand_phrase/2	Provide goal-expansion for PhraseGoal.
expand_phrase/4	Provide goal-expansion for PhraseGoal.
arithmetic.pl
arithmetic_expression_value/2	True when Result unifies with the arithmetic result of evaluating Expression.
arithmetic_function/1	Declare a predicate as an arithmetic function.
assoc.pl  -- Binary associations
atom.pl  -- Operations on atoms
backcomp.pl  -- Backward compatibility
base32.pl
base32/2	Translates between plaintext and base32 encoded atom or string.
base32/3	Encode/decode list of character codes using base32.
base64.pl
base64/2	Equivalent to base64_encoded/3 using the options as(atom) and encoding(iso_latin_1).
base64/3	Encode/decode list of character codes using base64.
base64_encoded/3	General the base64 encoding and decoding.
base64_encoded/4
base64url/2	Translates between plaintext and base64url encoded atom or string.
base64url/3	Encode/decode list of character codes using Base64URL.
broadcast.pl
broadcast/1	Broadcast given event.
broadcast_request/1	Broadcast given event till accepted.
listen/2	Open a channel for listening for events of the given `Templ'.
listen/3	Open a channel for listening for events of the given `Templ'.
listening/3	returns currently open channels.
unlisten/1	Destroy a channel.
unlisten/2	Destroy a channel.
unlisten/3	Destroy a channel.
charsio.pl  -- I/O on Lists of Character Codes
check.pl
check/0	Run all consistency checks defined by checker/2.
checker/2	Register code validation routines.
list_autoload/0	Report predicates that may be auto-loaded.
list_cross_module_calls/0	List calls from one module to another using Module:Goal where the callee is not defined exported, public or multifile, i.e., where the callee should be considered private.
list_format_errors/0	List argument errors for format/2,3.
list_format_errors/1	List argument errors for format/2,3.
list_rationals/0	List rational numbers that appear in clauses.
list_rationals/1	List rational numbers that appear in clauses.
list_redefined/0	Lists predicates that are defined in the global module user as well as in a normal module; that is, predicates for which the local definition overrules the global default definition.
list_strings/0	List strings that appear in clauses.
list_strings/1	List strings that appear in clauses.
list_trivial_fails/0	List goals that trivially fail because there is no matching clause.
list_trivial_fails/1	List goals that trivially fail because there is no matching clause.
list_undefined/0	Report undefined predicates.
list_undefined/1	Report undefined predicates.
list_void_declarations/0	List predicates that have declared attributes, but no clauses.
string_predicate/1	Multifile hook to disable list_strings/0 on the given predicate.
trivial_fail_goal/1	Multifile hook that tells list_trivial_fails/0 to accept Goal as valid.
valid_string_goal/1	Multifile hook that qualifies Goal as valid for list_strings/0.
codesio.pl  -- I/O on Lists of Character Codes
coinduction.pl
coinductive/1	The declaration :- coinductive name/arity, ... defines predicates as coinductive.
csv.pl  -- Process CSV (Comma-Separated Values) data
ctypes.pl  -- Character code classification
date.pl  -- Process dates and times
debug.pl  -- Print debug messages and test assertions
dialect.pl  -- Support multiple Prolog dialects
dicts.pl  -- Dict utilities
dif.pl  -- The dif/2 constraint
edinburgh.pl
debug/0	Switch on/off debug mode.
display/1	Write a term, ignoring operators and special syntax constructs such as brace terms ({a}) and lists ([a,b,c]).
display/2	Write a term, ignoring operators and special syntax constructs such as brace terms ({a}) and lists ([a,b,c]).
fileerrors/2	Query and change the fileerrors flag.
nodebug/0	Switch on/off debug mode.
reconsult/1	Load source file(s), wiping the old content first.
unknown/2	Edinburgh Prolog predicate for dealing dealing with undefined procedures.
edit.pl
edit/0	Edit associated or script file.
edit/1	Edit indicated object.
edit_command/2	This predicate should specify the shell-command called to invoke the user's editor.
locate/2	Locate object from the specified location.
locate/3
select_location/3
error.pl
exceptions.pl
catch/4	As catch/3, only catching exceptions for which exception(ErrorType,Ball) is true.
error_term/2	Describe the formal part of error(Formal,ImplDefined) exceptions.
exception/2	If Ball is unbound, adds a delayed goal that tests the error belongs to Type when Ball is instantiated (by catch/3).
exception_term/2	Describe exceptions that are not error(Formal, _) terms.
exception_type/2	Declare all exceptions subsumed by Term to be an exception of Type.
files.pl
gensym.pl  -- Generate unique symbols
git.pl  -- Run GIT commands
hashtable.pl
ht_del/3	Delete Key-Value from HT.
ht_gen/3	True when Key-Value is in HT.
ht_get/3	True when Key is in HT and associated with Value.
ht_is_hashtable/1	True when HT is a hash table.
ht_keys/2	True when Keys is an ordered set of all keys in HT.
ht_new/1	Create a new hash table.
ht_pairs/2	True when Pairs and HT represent the same association.
ht_put/3	Add a Key-Value to HT.
ht_put/5	Add Key-Value to HT.
ht_put_new/3	As ht_put/3, but fails if Key is already in HT instead of updating the associated value.
ht_size/2	True when Size is the number of key-value pairs in HT.
ht_update/4	True when HT holds Key-Old before and Key-New after this call.
heaps.pl  -- heaps/priority queues
help.pl
apropos/1	Print objects from the manual whose name or summary match with Query.
help/0	Show help for What.
help/1	Show help for What.
help_text/2	When Predicate is a term of the form Name/Arity for which documentation exists, HelpText is the documentation in textual format (parsed from the HTML help).
show_html_hook/1	Hook called to display the extracted HTML document.
intercept.pl
intercept/3	Run Goal as call/1.
intercept/4	Similar to intercept/3, but the copy of Handler is called as call(Copy,Arg), which allows passing large context arguments or arguments subject to unification or destructive assignment.
intercept_all/4	True when List contains all instances of Template that have been sent using send_signal/1 where the argument unifies with Ball.
nb_intercept_all/4	As intercept_all/4, but backtracing inside Goal does not reset List.
send_signal/1	If this predicate is called from a sub-goal of intercept/3, execute the associated Handler of the intercept/3 environment.
send_silent_signal/1	As send_signal/1, but succeed silently if there is no matching intercept environment.
iostream.pl  -- Utilities to deal with streams
close_any/1	Execute the Close closure returned by open_any/5.
open_any/5	Establish a stream from Specification that should be closed using Close, which can either be called or passed to close_any/1.
lazy_lists.pl
lazy_engine_next/4	Lazy list iterator for engines.
lazy_findall/3	True when List is a lazy list containing the instantiations for Template for each answer of Goal.
lazy_findall/4	True when List is a lazy list containing the instantiations for Template for each answer of Goal.
lazy_get_codes/4	Lazy list iterator to get character codes from a stream.
lazy_list/2	Create a lazy list from a callback.
lazy_list/3	Create a lazy list where the next element is defined by.
lazy_list_iterator/4	Directive to create a lazy list iterator from a predicate that gets a single next value.
lazy_list_length/2	True if Len is the length of the materialized lazy list.
lazy_list_materialize/1	Materialize the lazy list.
lazy_message_queue/4	Lazy list iterator for message queues.
lazy_read_lines/4	Lazy list iterator to read lines from Stream.
lazy_read_terms/4	Turn a stream into a lazy list of Prolog terms.
listing.pl
listing/0	Lists all predicates defined in the calling module.
listing/1	List matching clauses.
listing/2	List matching clauses.
portray_clause/1	Portray `Clause' on the current output stream.
portray_clause/2	Portray `Clause' on the current output stream.
portray_clause/3	Portray `Clause' on the current output stream.
lists.pl  -- List Manipulation
macros.pl
expand_macros/5	Perform macro expansion on TermIn with layout PosIn to produce TermOut with layout PosOut.
include_macros/3	Include macros from another module.
macro_position/1	True when Position is the position of the macro.
main.pl  -- Provide entry point for scripts
make.pl  -- Reload modified source files
modules.pl  -- Module utility predicates
nb_set.pl  -- Non-backtrackable sets
occurs.pl  -- Finding and counting sub-terms
operators.pl  -- Manage operators
option.pl  -- Option list processing
optparse.pl  -- command line parsing
ordsets.pl  -- Ordered set manipulation
oset.pl  -- Ordered set manipulation
pairs.pl  -- Operations on key-value lists
persistency.pl  -- Provide persistent dynamic predicates
pio.pl  -- Pure I/O
portray_text.pl  -- Portray text
pprint.pl  -- Pretty Print Prolog terms
predicate_options.pl  -- Access and analyse predicate options
prolog_autoload.pl
autoload_all/0	Force all necessary autoloading to be done now.
autoload_all/1	Force all necessary autoloading to be done now.
prolog_breakpoints.pl  -- Manage Prolog break-points
prolog_clause.pl
clause_info/4	Fetches source information for the given clause.
clause_info/5	Fetches source information for the given clause.
clause_name/2	Provide a suitable description of the indicated clause.
initialization_layout/4	Find term-layout of :- initialization directives.
make_varnames/5	Create a Term varnames(...) where each argument contains the name of the variable at that offset.
open_source/2	Hook into clause_info/5 that opens the stream holding the source for a specific clause.
predicate_name/2	Describe a predicate as [Module:]Name/Arity.
unify_goal/5	This hook is called to fix up source code manipulations that result from goal expansions.
unify_term/2	Unify the two terms, where T2 is created by writing the term and reading it back in, but be aware that rounding problems may cause floating point numbers not to unify.
prolog_code.pl  -- Utilities for reasoning about code
prolog_codewalk.pl  -- Prolog code walker
prolog_colour.pl  -- Prolog syntax colouring support.
prolog_config.pl
prolog_config/2	Get information on the configuration of the current Prolog system.
prolog_dump_runtime_variables/0	Dump the current configuration in shell format.
prolog_coverage.pl  -- Coverage analysis tool
prolog_debug.pl  -- User level debugging tools
prolog_format.pl  -- Analyse format specifications
prolog_history.pl
prolog_history/1	Execute Action on the history.
prolog_jiti.pl
jiti_list/0	List the JITI (Just In Time Indexes) of selected predicates.
jiti_list/1	List the JITI (Just In Time Indexes) of selected predicates.
jiti_suggest_modes/0	Propose modes for the predicates referenced by Spec.
jiti_suggest_modes/1	Propose modes for the predicates referenced by Spec.
prolog_metainference.pl  -- Infer meta-predicate properties
prolog_pack.pl
pack_info/1	Print more detailed information about Pack.
pack_install/1	Install one or more packs from SpecOrList.
pack_install/2	Install one or more packs from SpecOrList.
pack_install_local/3	Install a number of packages in a local directory.
pack_list/1	Query package server and installed packages and display results.
pack_list/2	Query package server and installed packages and display results.
pack_list_installed/0	List currently installed packages and report possible dependency issues.
pack_property/2	True when Property is a property of an installed Pack.
pack_publish/2	Publish a package.
pack_rebuild/0	Rebuild possible foreign components of Pack.
pack_rebuild/1	Rebuild possible foreign components of Pack.
pack_remove/1	Remove the indicated package.
pack_remove/2	Remove the indicated package.
pack_search/1	Query package server and installed packages and display results.
pack_upgrade/1	Upgrade Pack.
pack_url_file/2	True if File is a unique id for the referenced pack and version.
prolog_profile.pl  -- Execution profiler
prolog_source.pl
quasi_quotation_syntax/2	True when the quasi quotation syntax Syntax can be loaded from Library.
xref_close_source/2	Called by prolog_close_source/1 to close a source previously opened by the hook prolog:xref_open_source/2.
xref_open_source/2	Hook to open an xref SourceID.
directory_source_files/3	True when Files is a sorted list of Prolog source files in Dir.
file_alias_path/2	True if file Alias points to Dir.
file_name_on_path/2	True if OnPath a description of File based on the file search path.
load_quasi_quotation_syntax/2	Import quasi quotation syntax Syntax from Path into the module specified by the first argument.
path_segments_atom/2	Translate between a path represented as a/b/c and an atom representing the same path.
prolog_canonical_source/2	Given a user-specification of a source, generate a unique and indexable identifier for it.
prolog_close_source/1	Close a stream opened using prolog_open_source/2.
prolog_file_directives/3	True when Directives is a list of directives that appear in the source file File.
prolog_open_source/2	Open source with given canonical id (see prolog_canonical_source/2) and remove the #!
prolog_read_source_term/4	Read a term from a Prolog source-file.
read_source_term_at_location/3	Try to read a Prolog term form an arbitrary location inside a file.
requires_library/2	known expansion hooks.
valid_term_position/2	Check that a Term has an appropriate TermPos layout.
prolog_stack.pl  -- Examine the Prolog stack
prolog_trace.pl  -- Print access to predicates
prolog_versions.pl  -- Demand specific (Prolog) versions
cmp_versions/3	Compare to versions.
require_prolog_version/2	Claim that the running Prolog version is at least version Required and provides the requested Features.
require_version/3	Require Component to have version CmpRequired, while Component is know to have version Available.
prolog_xref.pl  -- Prolog cross-referencer data collection
pure_input.pl  -- Pure Input from files and streams
qsave.pl
arch_shlib/3	This is a user defined hook called by qsave_program/2.
qsave_program/1	Make a saved state in file `File'.
qsave_program/2	Make a saved state in file `File'.
qsave_toplevel/0	Called to handle `-c file` compilaton.
quasi_quotations.pl  -- Define Quasi Quotation syntax
quintus.pl  -- Quintus compatibility
random.pl  -- Random numbers
rbtrees.pl  -- Red black trees
readln.pl
readutil.pl
read_file_to_codes/3	Read the file Spec into a list of Codes.
read_file_to_string/3	Read the file Spec into a the string String.
read_file_to_terms/3	Read the file Spec into a list of terms.
read_line_to_codes/2	Read the next line of input from Stream.
read_line_to_codes/3	Difference-list version to read an input line to a list of character codes.
read_line_to_string/2	Read the next line from Stream into String.
read_stream_to_codes/2	Read input from Stream to a list of character codes.
read_stream_to_codes/3	Read input from Stream to a list of character codes.
record.pl
current_record/2	True if Name is the name of a record defined in the module associated with Term and Term is the user-provided record declaration.
current_record_predicate/2	True if PI is the predicate indicator for an access predicate to Record.
record/1	Define access predicates for a compound-term.
sandbox.pl
settings.pl  -- Setting management
shell.pl  -- Elementary shell commands
shlib.pl  -- Utility library for loading foreign objects (DLLs, shared objects)
solution_sequences.pl  -- Modify solution sequences
sort.pl
statistics.pl  -- Get information about resource usage
streams.pl  -- Manage Prolog streams
with_output_to/3	Run Goal and once/1 while capturing all output to all streams (current_output, user_output and user_error) in the string Output.
strings.pl
dedent_lines/3	Remove shared indentation for all lines in a string.
indent_lines/3	Add Prefix to the beginning of lines in In.
indent_lines/4	Similar to indent_lines/3, but only adds Prefix to lines for which call(Filter, Line) succeeds.
interpolate_string/4	Establish a string from a template by replacing patterns.
string/4	Implements the quasi quotation syntax string.
string_lines/2	True when String represents Lines.
system.pl  -- System utilities
tables.pl  -- XSB interface to tables
terms.pl  -- Term manipulation
thread.pl
call_in_thread/2	Run Goal as an interrupt in the context of Thread.
concurrent/3	Run Goals in parallel using N threads.
concurrent_and/2	Concurrent version of (Generator,Test).
concurrent_and/3	Concurrent version of (Generator,Test).
concurrent_forall/2	True when Action is true for all solutions of Generate.
concurrent_forall/3	True when Action is true for all solutions of Generate.
concurrent_maplist/2	Concurrent version of maplist/2.
concurrent_maplist/3	Concurrent version of maplist/2.
concurrent_maplist/4	Concurrent version of maplist/2.
first_solution/3	Try alternative solvers concurrently, returning the first answer.
thread_pool.pl
create_pool/1	Hook to create a thread pool lazily.
current_thread_pool/1	True if Name refers to a defined thread pool.
thread_create_in_pool/4	Create a thread in Pool.
thread_pool_create/3	Create a pool of threads.
thread_pool_destroy/1	Destroy the thread pool named Name.
thread_pool_property/2	True if Property is a property of thread pool Name.
worker_exitted/3	It is possible that '__thread_pool_manager' no longer exists while closing down the process because the manager was killed before the worker.
threadutil.pl  -- Interactive thread utilities
attach_console/0	Create a new console and make the standard Prolog streams point to it.
attach_console/1	Create a new console and make the standard Prolog streams point to it.
join_threads/0	Join all terminated threads.
tbacktrace/1	Print a backtrace for Thread to the stream user_error of the calling thread.
tbacktrace/2	Print a backtrace for Thread to the stream user_error of the calling thread.
tdebug/0	Enable debug-mode, trapping the graphical debugger on reaching spy-points or errors.
tdebug/1	Enable debug-mode, trapping the graphical debugger on reaching spy-points or errors.
thread_has_console/0	True when the calling thread has an attached console.
threads/0	List currently known threads with their status.
tnodebug/0	Disable debug-mode in all threads or the specified Thread.
tnodebug/1	Disable debug-mode in all threads or the specified Thread.
tprofile/1	Profile the operation of Thread until the user hits a key.
tspy/1	Trap the graphical debugger on reaching Spec in the specified or any thread.
tspy/2	Trap the graphical debugger on reaching Spec in the specified or any thread.
with_stopped_threads/2	Stop all threads except the caller while running once(Goal).
tty.pl
menu/3	Show a menu.
tty_clear/0	Clear the display.
tty_flash/0	Give visual signal if possible, otherwise beep.
ugraphs.pl  -- Graph manipulation library
url.pl
file_name_to_url/2	Translate between a filename and a file:// URL.
global_url/3	Translate a possibly relative URL into an absolute one.
http_location/2	Construct or analyze an HTTP location.
is_absolute_url/1	True if URL is an absolute URL.
parse_url/2	Construct or analyse a URL.
parse_url/3	Similar to parse_url/2 for relative URLs.
parse_url_search/2	Construct or analyze an HTTP search specification.
set_url_encoding/2	Query and set the encoding for URLs.
url_iri/2	Convert between a URL, encoding in US-ASCII and an IRI.
www_form_encode/2	En/decode to/from application/x-www-form-encoded.
utf8.pl  -- UTF-8 encoding/decoding on lists of character codes.
varnumbers.pl  -- Utilities for numbered terms
wfs.pl  -- Well Founded Semantics interface
when.pl  -- Conditional coroutining
writef.pl  -- Old-style formatted write
www_browser.pl  -- Open a URL in the users browser
yall.pl  -- Lambda expressions
zip.pl  -- Access resource ZIP archives