library

Prolog files

aggregate.pl  -- Aggregation operators on backtrackable predicatesShow source
ansi_term.pl  -- Print decorated text to ANSI consolesShow source
ansi_format/3Format text with ANSI attributes.Source
ansi_get_color/2Obtain the RGB color for an ANSI color parameter.Source
ansi_hyperlink/2Create a hyperlink for a terminal emulator.Source
ansi_hyperlink/3Create a hyperlink for a terminal emulator.Source
tty_url_hook/2Hook for location_url/2.Source
console_color/2Hook that allows for mapping abstract terms to concrete ANSI attributes.
message_line_element/2Hook implementation that deals with ansi(+Attr, +Fmt, +Args) in message specifications.Source
apply.pl  -- Apply predicates on a listShow source
apply_macros.pl  -- Goal expansion rules to avoid meta-callingShow source
apply_macros_sentinel/0Used to detect that library(apply_macros) is loaded into the current context explicitly.Source
expand_phrase/2Provide goal-expansion for PhraseGoal.Source
expand_phrase/4Provide goal-expansion for PhraseGoal.Source
arithmetic.pl  -- Extensible arithmeticShow source
assoc.pl  -- Binary associationsShow source
atom.pl  -- Operations on atomsShow source
backcomp.pl  -- Backward compatibilityShow source
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
check/0Run all consistency checks defined by checker/2.Source
checker/2Register code validation routines.Source
list_autoload/0Report predicates that may be auto-loaded.Source
list_cross_module_calls/0List 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.Source
list_format_errors/0List argument errors for format/2,3.Source
list_format_errors/1List argument errors for format/2,3.Source
list_rationals/0List rational numbers that appear in clauses.Source
list_rationals/1List rational numbers that appear in clauses.Source
list_redefined/0Lists 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.Source
list_strings/0List strings that appear in clauses.Source
list_strings/1List strings that appear in clauses.Source
list_trivial_fails/0List goals that trivially fail because there is no matching clause.Source
list_trivial_fails/1List goals that trivially fail because there is no matching clause.Source
list_undefined/0Report undefined predicates.Source
list_undefined/1Report undefined predicates.Source
list_void_declarations/0List predicates that have declared attributes, but no clauses.Source
string_predicate/1Multifile hook to disable list_strings/0 on the given predicate.Source
trivial_fail_goal/1Multifile hook that tells list_trivial_fails/0 to accept Goal as valid.Source
valid_string_goal/1Multifile hook that qualifies Goal as valid for list_strings/0.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
is_digit/3Succeeds if `C' is a digit using `Base' as base and `Weight' represents its value.Source
is_paren/2True if Open is the open-parenthesis of Close.Source
to_lower/2Downcase a character code.Source
to_upper/2Upcase a character code.Source
upper_lower/2True when U is the character code of an uppercase character and L is the character code of the corresponding lowercase character.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.pl  -- Editor interfaceShow source
error.plShow source
current_encoding/1True if Name is the name of a supported encoding.Source
current_type/3True when Type is a currently defined type and Var satisfies Type of the body term Body succeeds.Source
domain_error/2The argument is of the proper type, but has a value that is outside the supported values.Source
existence_error/2Culprit is of the correct type and correct domain, but there is no existing (external) resource of type ObjectType that is represented by it.Source
existence_error/3Culprit is of the correct type and correct domain, but there is no existing (external) resource of type ObjectType that is represented by it in the provided set.Source
has_type/2True if Term satisfies Type.Source
instantiation_error/1An argument is under-instantiated.Source
is_of_type/2True if Term satisfies Type.Source
must_be/2True if Term satisfies the type constraints for Type.Source
permission_error/3It is not allowed to perform Operation on (whatever is represented by) Culprit that is of the given PermissionType (in fact, the ISO Standard is confusing and vague about these terms' meaning).Source
representation_error/1A representation error indicates a limitation of the implementation.Source
resource_error/1A goal cannot be completed due to lack of resources.Source
syntax_error/1A text has invalid syntax.Source
type_error/2Tell the user that Culprit is not of the expected ValidType.Source
uninstantiation_error/1An argument is over-instantiated.Source
exceptions.plShow source
catch/4As catch/3, only catching exceptions for which exception(ErrorType,Ball) is true.Source
error_term/2Describe the formal part of error(Formal,ImplDefined) exceptions.Source
exception/2If Ball is unbound, adds a delayed goal that tests the error belongs to Type when Ball is instantiated (by catch/3).Source
exception_term/2Describe exceptions that are not error(Formal, _) terms.Source
exception_type/2Declare all exceptions subsumed by Term to be an exception of Type.Source
explain.plShow source
explain/1Give an explanation on Term.Source
explain/2True when Explanation is an explanation of Term.Source
fastrw.pl  -- Fast reading and writing of termsShow source
files.plShow source
can_open_file/2Succeeds if the user has access to `File' in mode `Mode'.Source
chdir/1Change Working Directory.Source
gensym.pl  -- Generate unique symbolsShow source
git.pl  -- Run GIT commandsShow source
hashtable.plShow source
ht_del/3Delete Key-Value from HT.Source
ht_gen/3True when Key-Value is in HT.Source
ht_get/3True when Key is in HT and associated with Value.Source
ht_is_hashtable/1True when HT is a hash table.Source
ht_keys/2True when Keys is an ordered set of all keys in HT.Source
ht_new/1Create a new hash table.Source
ht_pairs/2True when Pairs and HT represent the same association.Source
ht_put/3Add a Key-Value to HT.Source
ht_put/5Add Key-Value to HT.Source
ht_put_new/3As ht_put/3, but fails if Key is already in HT instead of updating the associated value.Source
ht_size/2True when Size is the number of key-value pairs in HT.Source
ht_update/4True when HT holds Key-Old before and Key-New after this call.Source
heaps.pl  -- heaps/priority queuesShow source
help.plShow source
apropos/1Print objects from the manual whose name or summary match with Query.Source
help/0Show help for What.Source
help/1Show help for What.Source
help_text/2When 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).Source
show_html_hook/1Hook called to display the extracted HTML document.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
intercept.pl  -- Intercept and signal interfaceShow source
iostream.pl  -- Utilities to deal with streamsShow source
close_any/1Execute the Close closure returned by open_any/5.Source
open_any/5Establish a stream from Specification that should be closed using Close, which can either be called or passed to close_any/1.Source
lazy_lists.pl  -- Lazy list handlingShow source
listing.pl  -- List programs and pretty print clausesShow source
listing/0Lists all predicates defined in the calling module.Source
listing/1List matching clauses.Source
listing/2List matching clauses.Source
portray_clause/1Portray `Clause' on the current output stream.Source
portray_clause/2Portray `Clause' on the current output stream.Source
portray_clause/3Portray `Clause' on the current output stream.Source
lists.pl  -- List ManipulationShow source
macros.pl  -- Macro expansionShow source
main.pl  -- Provide entry point for scriptsShow source
make.plShow source
make/0Reload all source files that have been changed since they were loaded.Source
make_reload_file/1Reload file into the proper module.Source
modules.pl  -- Module utility predicatesShow source
nb_set.pl  -- Non-backtrackable setsShow source
add_nb_set/2Insert Key into the set.Source
add_nb_set/3Insert Key into the set.Source
empty_nb_set/1Create an empty non-backtrackable set.Source
gen_nb_set/2Enumerate the members of a set in the standard order of terms.Source
nb_set_to_list/2Get the elements of a an nb_set.Source
size_nb_set/2Unify Size with the number of elements in the set.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
oset.plShow source
oset_addel/3Ordered set element addition.Source
oset_delel/3Ordered set element deletion.Source
oset_diff/3Ordered set difference.Source
oset_dint/2Distributed intersection.Source
oset_dunion/2Distributed union.Source
oset_int/3ordered set intersection.Source
oset_is/1check that OSet in correct format (standard order).Source
oset_power/2True when PSet is the powerset of Set.Source
oset_union/3Union is the union of OSet1 and OSet2.Source
pairs.pl  -- Operations on key-value listsShow source
persistency.pl  -- Provide persistent dynamic predicatesShow source
pio.pl  -- Pure I/OShow source
portray_text.plShow source
portray_text/1Switch portraying on or off.Source
set_portray_text/2Set options for portraying.Source
set_portray_text/3Set options for portraying.Source
pprint.pl  -- Pretty Print Prolog termsShow source
predicate_options.pl  -- Access and analyse predicate optionsShow source
prolog_autoload.plShow source
autoload_all/0Force all necessary autoloading to be done now.Source
autoload_all/1Force all necessary autoloading to be done now.Source
prolog_breakpoints.pl  -- Manage Prolog break-pointsShow source
prolog_clause.plShow source
clause_info/4Fetches source information for the given clause.Source
clause_info/5Fetches source information for the given clause.Source
clause_name/2Provide a suitable description of the indicated clause.Source
initialization_layout/4Find term-layout of :- initialization directives.Source
make_varnames/5Create a Term varnames(...) where each argument contains the name of the variable at that offset.Source
open_source/2Hook into clause_info/5 that opens the stream holding the source for a specific clause.Source
predicate_name/2Describe a predicate as [Module:]Name/Arity.Source
unify_goal/5This hook is called to fix up source code manipulations that result from goal expansions.Source
unify_term/2Unify 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.Source
prolog_code.pl  -- Utilities for reasoning about codeShow source
prolog_codewalk.pl  -- Prolog code walkerShow source
prolog_colour.pl  -- Prolog syntax colouring support.Show source
prolog_config.pl  -- Provide configuration informationShow source
prolog_coverage.plShow source
cov_load_data/2Reload coverage data from File.Source
cov_property/1True when coverage analysis satisfies Property.Source
cov_reset/0Discard all collected coverage data.Source
cov_save_data/2Save the coverage information to File.Source
coverage/1As call(Goal), collecting coverage information while Goal is running.Source
coverage/2Collect and optionally report coverage by Goal.Source
report_hook/2This hook is called after the data collection.Source
show_coverage/1Show collected coverage data.Source
prolog_debug.pl  -- User level debugging toolsShow source
debug_control_hook/1Allow user-hooks in the Prolog debugger interaction.
debugging/0Report current status of the debugger.Source
debugging_hook/1Multifile hook that is called as forall(debugging_hook(DebugMode), true) and that may be used to extend the information printed from other debugging libraries.Source
exception_hook/5Trap exceptions and consider whether or not to start the tracer.Source
nospy/1Set/clear spy-points.Source
nospyall/0Set/clear spy-points.Source
notrap/1Install a trap on error(Formal, Context) exceptions that unify.Source
spy/1Set/clear spy-points.Source
trap/1Install a trap on error(Formal, Context) exceptions that unify.Source
trap_alias/2Define short hands for commonly used exceptions.Source
prolog_format.pl  -- Analyse format specificationsShow source
prolog_history.pl  -- Per-directory persistent commandline historyShow source
prolog_jiti.plShow source
jiti_list/0List the JITI (Just In Time Indexes) of selected predicates.Source
jiti_list/1List the JITI (Just In Time Indexes) of selected predicates.Source
jiti_suggest_modes/0Propose modes for the predicates referenced by Spec.Source
jiti_suggest_modes/1Propose modes for the predicates referenced by Spec.Source
prolog_metainference.plShow source
infer_meta_predicate/2True when MetaSpec is a meta-predicate specifier for the predicate Head.Source
inferred_meta_predicate/2True when MetaSpec is an inferred meta-predicate specification for Head.Source
prolog_pack.pl  -- A package manager for PrologShow source
prolog_profile.pl  -- Execution profilerShow source
profile/1Run once(Goal) under the execution profiler.Source
profile/2Run once(Goal) under the execution profiler.Source
profile_data/1Gather all relevant data from profiler.Source
profile_procedure_data/2Collect data for Pred.Source
show_profile/1Display last collected profiling data.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
cmp_versions/3Compare to versions.Source
require_prolog_version/2Claim that the running Prolog version is at least version Required and provides the requested Features.Source
require_version/3Require Component to have version CmpRequired, while Component is know to have version Available.Source
prolog_wrap.pl  -- Wrapping predicatesShow source
prolog_xref.pl  -- Prolog cross-referencer data collectionShow source
pure_input.pl  -- Pure Input from files and streamsShow source
qsave.plShow source
arch_shlib/3This is a user defined hook called by qsave_program/2.Source
qsave_program/1Make a saved state in file `File'.Source
qsave_program/2Make a saved state in file `File'.Source
qsave_toplevel/0Called to handle `-c file` compilaton.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
rwlocks.plShow source
with_rwlock/3Run Goal, synchronized with LockId in ModeSpec.Source
with_rwlock/4Run Goal, synchronized with LockId in ModeSpec.Source
sandbox.plShow source
sandbox_allowed_directive/1Throws an exception if G is not considered a safe directive.Source
sandbox_allowed_expansion/1Throws an exception if G is not considered a safe expansion goal.Source
sandbox_allowed_goal/1Throw an exception if it is not safe to call G.Source
format_calls/3Find ~@ calls from Format and Args.Source
safe_call/1Call Goal if it complies with the sandboxing rules.Source
safe_directive/1Hook to declare additional directives as safe.Source
safe_global_variable/1Declare the given global variable safe to write to.Source
safe_goal/1True if calling Goal provides no security risc.Source
safe_meta/2Hook.Source
safe_primitive/1True if Goal is safe to call (i.e., cannot access dangerous system-resources and cannot upset other parts of the Prolog process).Source
safe_prolog_flag/2True if it is safe to set the flag Flag to Value.Source
settings.pl  -- Setting managementShow source
shell.pl  -- Elementary shell commandsShow source
cd/0Change working directory.Source
cd/1Change working directory.Source
dirs/0Manage the directory stack:.Source
file_style/2True when File should be listed as a terminal hyperlink.Source
ls/0Listing similar to Unix =ls -F=, flagging directories with =/=.Source
ls/1Listing similar to Unix =ls -F=, flagging directories with =/=.Source
mv/2Move (Rename) a file.Source
popd/0Manage the directory stack:.Source
pushd/0Manage the directory stack:.Source
pushd/1Manage the directory stack:.Source
pwd/0Print current working directory.Source
rm/1Remove (unlink) a file.Source
shell/0Execute an interactive shell.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
streams.pl  -- Manage Prolog streamsShow source
with_output_to/3Run Goal and once/1 while capturing all output to all streams (current_output, user_output and user_error) in the string Output.Source
strings.pl  -- String utilitiesShow source
system.pl  -- System utilitiesShow source
tables.pl  -- XSB interface to tablesShow source
terms.pl  -- Term manipulationShow source
thread.pl  -- High level thread primitivesShow source
call_in_thread/2Run Goal as an interrupt in the context of Thread.Source
concurrent/3Run Goals in parallel using N threads.Source
concurrent_and/2Concurrent version of (Generator,Test).Source
concurrent_and/3Concurrent version of (Generator,Test).Source
concurrent_forall/2True when Action is true for all solutions of Generate.Source
concurrent_forall/3True when Action is true for all solutions of Generate.Source
concurrent_maplist/2Concurrent version of maplist/2.Source
concurrent_maplist/3Concurrent version of maplist/2.Source
concurrent_maplist/4Concurrent version of maplist/2.Source
first_solution/3Try alternative solvers concurrently, returning the first answer.Source
thread_pool.pl  -- Resource bounded thread managementShow source
threadutil.pl  -- Interactive thread utilitiesShow source
attach_console/0Create a new console and make the standard Prolog streams point to it.Source
attach_console/1Create a new console and make the standard Prolog streams point to it.Source
join_threads/0Join all terminated threads.Source
tbacktrace/1Print a backtrace for Thread to the stream user_error of the calling thread.Source
tbacktrace/2Print a backtrace for Thread to the stream user_error of the calling thread.Source
tdebug/0Enable debug-mode, trapping the graphical debugger on reaching spy-points or errors.Source
tdebug/1Enable debug-mode, trapping the graphical debugger on reaching spy-points or errors.Source
thread_has_console/0True when the calling thread has an attached console.Source
threads/0List currently known threads with their status.Source
tnodebug/0Disable debug-mode in all threads or the specified Thread.Source
tnodebug/1Disable debug-mode in all threads or the specified Thread.Source
tprofile/1Profile the operation of Thread until the user hits a key.Source
tspy/1Trap the graphical debugger on reaching Spec in the specified or any thread.Source
tspy/2Trap the graphical debugger on reaching Spec in the specified or any thread.Source
with_stopped_threads/2Stop all threads except the caller while running once(Goal).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
writef.plShow source
swritef/2Use writef/1 or writef/2 and write the result to a string.Source
swritef/3Use writef/1 or writef/2 and write the result to a string.Source
writef/1Formatted write to the current_output.Source
writef/2Formatted write to the current_output.Source
www_browser.pl  -- Open a URL in the users browserShow source
yall.pl  -- Lambda expressionsShow source
zip.plShow source
with_zipper/2Run Goal while holding ownership over Zipper.Source
zip_close/1Close a zipper.Source
zip_close/2Close a zipper.Source
zip_open/4Create a Zipper, providing access to File.Source
zipper_file_info/3Obtain information about the current zip entry.Source
zipper_goto/2Seek Zipper to a specified entry.
zipper_members/2True when Members is the list of file names in the Zipper.Source
zipper_open_current/3Open the current entry as an input stream.