library

Prolog files

aggregate.plShow source
aggregate/3Aggregate bindings in Goal according to Template.Source
aggregate/4Aggregate bindings in Goal according to Template.Source
aggregate_all/3Aggregate bindings in Goal according to Template.Source
aggregate_all/4Aggregate bindings in Goal according to Template.Source
foldall/4Use Folder to fold V0 to V using all answers of Goal.Source
foreach/2True when the conjunction of instances of Goal created from solutions for Generator is true.Source
free_variables/4Find free variables in bagof/setof template.Source
safe_meta/2Declare the aggregate meta-calls safe.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.plShow source
identifier_parts/2Parts is a list of atoms that make up Identifier.Source
join_identifier_parts/3Join parts of an identifier according to Style.Source
restyle_identifier/3Restyle an identifier by extracting the alnum substrings and joining them together according to Style.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
codesio.pl  -- I/O on Lists of Character CodesShow source
coinduction.plShow source
coinductive/1The declaration :- coinductive name/arity, ... defines predicates as coinductive.Source
csv.pl  -- Process CSV (Comma-Separated Values) dataShow source
ctypes.pl  -- Character code classificationShow source
date.plShow source
date_time_value/3Extract values from a date-time structure.Source
day_of_the_week/2Computes the day of the week for a given date.Source
day_of_the_year/2Computes the day of the year for a given date.Source
parse_time/2Stamp is a timestamp created from parsing Text using the representation Format.Source
parse_time/3Stamp is a timestamp created from parsing Text using the representation Format.Source
debug.plShow source
assertion_failed/2This hook is called if the Goal of assertion/1 fails.
debug_print_hook/3Hook called by debug/3.Source
assertion/1Acts similar to C assert() macro.Source
debug/1Add/remove a topic from being printed.Source
debug/3Format a message if debug topic is enabled.Source
debug_message_context/1Specify additional context for debug messages.Source
debugging/1Examine debug topics.Source
debugging/2Examine debug topics.Source
list_debug_topics/0List currently known topics for debug/3 and their setting.Source
list_debug_topics/1List currently known topics for debug/3 and their setting.Source
nodebug/1Add/remove a topic from being printed.Source
dialect.plShow source
expects_dialect/1Tell Prolog all subsequent code to the end of the file or the next :- expects_dialect/1 directive is written for the indicated Dialect.Source
source_exports/2True if Source exports Export.Source
dicts.pl  -- Dict utilitiesShow source
dif.pl  -- The dif/2 constraintShow source
edinburgh.plShow source
debug/0Switch on/off debug mode.Source
display/1Write a term, ignoring operators and special syntax constructs such as brace terms ({a}) and lists ([a,b,c]).Source
display/2Write a term, ignoring operators and special syntax constructs such as brace terms ({a}) and lists ([a,b,c]).Source
fileerrors/2Query and change the fileerrors flag.Source
nodebug/0Switch on/off debug mode.Source
reconsult/1Load source file(s), wiping the old content first.Source
unknown/2Edinburgh Prolog predicate for dealing dealing with undefined procedures.Source
edit.pl  -- Editor interfaceShow source
error.plShow source
exceptions.pl  -- Exception classificationShow source
explain.plShow source
explain/1Give an explanation on Term.Source
explain/2True when Explanation is an explanation of Term.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.plShow source
gensym/2Generate <Base>1, <Base>2, etc atoms on each subsequent call.Source
reset_gensym/0Reset gensym for all registered keys.Source
reset_gensym/1Restart generation of identifiers from Base at <Base>1.Source
git.plShow source
git/2Run a GIT command.Source
git_branches/2True when Branches is the list of branches in the repository.Source
git_default_branch/2True when BranchName is the current branch of a repository.Source
git_default_branch/2True when BranchName is the default branch of a repository.Source
git_describe/2Describe the running version based on GIT tags and hashes.Source
git_hash/2Return the hash of the indicated object.Source
git_ls_remote/3Execute git ls-remote against the remote repository to fetch references from the remote.Source
git_ls_tree/2True when Entries is a list of entries in the the GIT repository, Each entry is a term:.Source
git_open_file/4Open the file File in the given bare GIT repository on the given branch (treeisch).Source
git_process_output/3Run a git-command and process the output with OnOutput, which is called as call(OnOutput, Stream).Source
git_remote_branches/2Exploit git_ls_remote/3 to fetch the branches from a remote repository without downloading it.Source
git_remote_url/3URL is the remote (fetch) URL for the given Remote.Source
git_shortlog/3Fetch information like the GitWeb change overview.Source
git_show/4Fetch info from a GIT commit.Source
git_tags/2True when Tags is a list of git tags defined on the repository.Source
git_tags_on_branch/3Tags is a list of tags in Branch on the GIT repository Dir, most recent tag first.Source
is_git_directory/1True if Directory is a git directory (Either checked out or bare).Source
is_git_hash/1True when Atom represents a GIT hash, i.e., a 40 digit hexadecimal string.Source
heaps.pl  -- heaps/priority queuesShow source
help.pl  -- Text based manualShow 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
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.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.plShow 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.plShow source
current_persistent_predicate/1True if PI is a predicate that provides access to the persistent database DB.Source
db_assert/1Assert Term into the database and record it for persistency.Source
db_attach/2Use File as persistent database for the calling module.Source
db_attached/1True if the context module attached to the persistent database File.Source
db_detach/0Detach persistency from the calling module and delete all persistent clauses from the Prolog database.Source
db_retract/1Retract terms from the database one-by-one.Source
db_retractall/1Retract all matching facts and do the same in the database.Source
db_sync/1Synchronise database with the associated file.Source
db_sync_all/1Sync all registered databases.Source
persistent/1Declare dynamic database terms.Source
pio.pl  -- Pure I/OShow source
portray_text.pl  -- Portray textShow source
pprint.plShow source
print_term/2Pretty print a Prolog term.Source
predicate_options.plShow source
assert_predicate_options/4As predicate_options(:PI, +Arg, +Options).Source
check_predicate_option/3Verify predicate options at runtime.Source
check_predicate_options/0Analyse loaded program for erroneous options.Source
check_predicate_options/1Verify calls to predicates that have options in all clauses of the predicate indicated by PredicateIndicator.Source
current_option_arg/2True when Arg of PI processes predicate options.Source
current_predicate_option/3True when Arg of PI processes Option.Source
current_predicate_options/3True when Options is the current active option declaration for PI on Arg.Source
derive_predicate_options/0Derive new predicate option declarations.Source
derived_predicate_options/1Derive predicate option declarations for a module.Source
derived_predicate_options/3Derive option arguments using static analysis.Source
predicate_options/3Declare that the predicate PI processes options on Arg.Source
retractall_predicate_options/0Remove all dynamically (derived) predicate options.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_codewalk.pl  -- Prolog code walkerShow source
prolog_colour.pl  -- Prolog syntax colouring support.Show source
prolog_config.plShow source
prolog_config/2Get information on the configuration of the current Prolog system.Source
prolog_dump_runtime_variables/0Dump the current configuration in shell format.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.plShow source
prolog_history/1Execute Action on the history.Source
prolog_jiti.pl  -- Just In Time Indexing (JITI) utilitiesShow 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.plShow 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
prolog_wrap.pl  -- Wrapping predicatesShow source
prolog_xref.pl  -- Prolog cross-referencer data collectionShow 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
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.plShow source
is_rbtree/1True if Term is a valid Red-Black tree.Source
list_to_rbtree/2Tree is the red-black tree corresponding to the mapping in List, which should be a list of Key-Value pairs.Source
ord_list_to_rbtree/2Tree is the red-black tree corresponding to the mapping in list List, which should be a list of Key-Value pairs.Source
rb_apply/4If the value associated with key Key is Val0 in Tree, and if call(G,Val0,ValF) holds, then NewTree differs from Tree only in that Key is associated with value ValF in tree NewTree.Source
rb_clone/3`Clone' the red-back tree TreeIn into a new tree TreeOut with the same keys as the original but with all values set to unbound values.Source
rb_del_max/4Delete the largest element from the tree Tree, returning the key Key, the value Val associated with the key and a new tree NewTree.Source
rb_del_min/4Delete the least element from the tree Tree, returning the key Key, the value Val associated with the key and a new tree NewTree.Source
rb_delete/3Delete element with key Key from the tree Tree, returning the value Val associated with the key and a new tree NewTree.Source
rb_delete/4Same as rb_delete(Tree, Key, NewTree), but also unifies Val with the value associated with Key in Tree.Source
rb_empty/1Succeeds if Tree is an empty Red-Black tree.Source
rb_fold/4Fold the given predicate over all the key-value pairs in Tree, starting with initial state State0 and returning the final state State.Source
rb_in/3True when Key-Value is a key-value pair in red-black tree Tree.Source
rb_insert/4Add an element with key Key and Value to the tree Tree creating a new red-black tree NewTree.Source
rb_insert_new/4Add a new element with key Key and Value to the tree Tree creating a new red-black tree NewTree.Source
rb_keys/2Keys is unified with an ordered list of all keys in the Red-Black tree Tree.Source
rb_lookup/3True when Value is associated with Key in the Red-Black tree Tree.Source
rb_map/2True if call(Goal, Value) is true for all nodes in T.Source
rb_map/3For all nodes Key in the tree Tree, if the value associated with key Key is Val0 in tree Tree, and if call(G,Val0,ValF) holds, then the value associated with Key in NewTree is ValF.Source
rb_max/3Key is the maximal key in Tree, and is associated with Val.Source
rb_min/3Key is the minimum key in Tree, and is associated with Val.Source
rb_new/1Create a new Red-Black tree Tree.Source
rb_next/4Next is the next element after Key in Tree, and is associated with Val.Source
rb_partial_map/4For all nodes Key in Keys, if the value associated with key Key is Val0 in tree Tree, and if call(G,Val0,ValF) holds, then the value associated with Key in NewTree is ValF, otherwise it is the value associated with the key in Tree.Source
rb_previous/4Previous is the previous element after Key in Tree, and is associated with Val.Source
rb_size/2Size is the number of elements in Tree.Source
rb_update/4Tree NewTree is tree Tree, but with value for Key associated with NewVal.Source
rb_update/5Same as rb_update(Tree, Key, NewVal, NewTree) but also unifies OldVal with the value associated with Key in Tree.Source
rb_visit/2Pairs is an infix visit of tree Tree, where each element of Pairs is of the form Key-Value.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.plShow source
convert_setting_text/3Converts from textual form to Prolog Value.Source
current_setting/1True if Setting is a currently defined setting.Source
env/2Evaluate environment variables on behalf of arithmetic expressions.Source
env/3Evaluate environment variables on behalf of arithmetic expressions.Source
list_settings/0List settings to current_output.Source
list_settings/1List settings to current_output.Source
load_settings/1Load local settings from File.Source
load_settings/2Load local settings from File.Source
restore_setting/1Restore the value of setting Name to its default.Source
save_settings/0Save modified settings to File.Source
save_settings/1Save modified settings to File.Source
set_setting/2Change a setting.Source
set_setting_default/2Change the default for a setting.Source
setting/2True when Name is a currently defined setting with Value.Source
setting/4Define a setting.Source
setting_property/2Query currently defined settings.Source
shell.pl  -- Elementary shell commandsShow 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
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
ugraphs.plShow source
add_edges/3Unify NewGraph with a new graph obtained by adding the list of Edges to Graph.Source
add_vertices/3Unify NewGraph with a new graph obtained by adding the list of Vertices to Graph.Source
complement/2UGraphOut is a ugraph with an edge between all vertices that are not connected in UGraphIn and all edges from UGraphIn removed.Source
compose/3Compose NewGraph by connecting the drains of LeftGraph to the sources of RightGraph.Source
connect_ugraph/3Adds Start as an additional vertex that is connected to all vertices in UGraphIn.Source
del_edges/3Unify NewGraph with a new graph obtained by removing the list of Edges from Graph.Source
del_vertices/3Unify NewGraph with a new graph obtained by deleting the list of Vertices and all the edges that start from or go to a vertex in Vertices to the Graph.Source
edges/2Unify Edges with all edges appearing in Graph.Source
neighbors/3Neigbours is a sorted list of the neighbours of Vertex in Graph.Source
neighbours/3Neigbours is a sorted list of the neighbours of Vertex in Graph.Source
reachable/3True when Vertices is an ordered set of vertices reachable in UGraph, including Vertex.Source
top_sort/2Sort vertices topologically.Source
transitive_closure/2Generate the graph Closure as the transitive closure of Graph.Source
transpose_ugraph/2Unify NewGraph with a new graph obtained from Graph by replacing all edges of the form V1-V2 by edges of the form V2-V1.Source
ugraph_layers/2Sort vertices topologically.Source
ugraph_union/3NewGraph is the union of Graph1 and Graph2.Source
vertices/2Unify Vertices with all vertices appearing in Graph.Source
vertices_edges_to_ugraph/3Create a UGraph from Vertices and Edges.Source
url.plShow source
file_name_to_url/2Translate between a filename and a file:// URL.Source
global_url/3Translate a possibly relative URL into an absolute one.Source
http_location/2Construct or analyze an HTTP location.Source
is_absolute_url/1True if URL is an absolute URL.Source
parse_url/2Construct or analyse a URL.Source
parse_url/3Similar to parse_url/2 for relative URLs.Source
parse_url_search/2Construct or analyze an HTTP search specification.Source
set_url_encoding/2Query and set the encoding for URLs.Source
url_iri/2Convert between a URL, encoding in US-ASCII and an IRI.Source
www_form_encode/2En/decode to/from application/x-www-form-encoded.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.plShow source
when/2Execute Goal when Condition is satisfied.Source
writef.pl  -- Old-style formatted writeShow source
www_browser.pl  -- Open a URL in the users browserShow source
yall.pl  -- Lambda expressionsShow source
zip.pl  -- Access resource ZIP archivesShow source