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
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
convlist/3Similar to maplist/3, but elements for which call(Goal, ElemIn, _) fails are omitted from ListOut.Source
exclude/3Filter elements for which Goal fails.Source
foldl/4Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal.Source
foldl/5Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal.Source
foldl/6Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal.Source
foldl/7Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal.Source
include/3Filter elements for which Goal succeeds.Source
maplist/2True if Goal is successfully applied on all matching elements of the list.Source
maplist/3True if Goal is successfully applied on all matching elements of the list.Source
maplist/4True if Goal is successfully applied on all matching elements of the list.Source
maplist/5True if Goal is successfully applied on all matching elements of the list.Source
partition/4Filter elements of List according to Pred.Source
partition/5Filter List according to Pred in three sets.Source
scanl/4Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal.Source
scanl/5Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal.Source
scanl/6Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal.Source
scanl/7Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal.Source
apply_macros.pl  -- Goal expansion rules to avoid meta-callingShow source
archive.pl  -- Access several archive formatsShow source
archive_close/1Close the archive.Source
archive_create/3Convenience predicate to create an archive in OutputFile with data from a list of InputFiles and the given Options.Source
archive_data_stream/3True when DataStream is a stream to a data object inside Archive.Source
archive_entries/2True when Paths is a list of pathnames appearing in Archive.Source
archive_extract/3Extract files from the given archive into Dir.Source
archive_foldl/4Operates like foldl/4 but for the entries in the archive.Source
archive_header_property/2True when Property is a property of the current header.Source
archive_next_header/2Forward to the next entry of the archive for which Name unifies with the pathname of the entry.Source
archive_open/3Wrapper around archive_open/4 that opens the archive in read mode.Source
archive_open/4Open the archive in Data and unify Archive with a handle to the opened archive.Source
archive_open_entry/2Open the current entry as a stream.Source
archive_property/2True when Property is a property of the archive Handle.Source
archive_set_header_property/2Set Property of the current header.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
bdb.pl  -- Berkeley DB interfaceShow source
broadcast.pl  -- Event serviceShow source
broadcast/1Broadcast given event.Source
broadcast_request/1Broadcast given event till accepted.Source
listen/2Open a channel for listening for events of the given `Templ'.Source
listen/3Open a channel for listening for events of the given `Templ'.Source
listening/3returns currently open channels.Source
unlisten/1Destroy a channel.Source
unlisten/2Destroy a channel.Source
unlisten/3Destroy a channel.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
crypt.plShow source
crypto.pl  -- Cryptography and authentication libraryShow 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
doc_http.pl  -- Documentation serverShow source
doc_latex.pl  -- PlDoc LaTeX backendShow source
edinburgh.pl  -- Some traditional Edinburgh predicatesShow source
editline.pl  -- BSD libedit based command line editingShow source
error.pl  -- Error generating supportShow source
filesex.pl  -- Extended operations on filesShow source
gensym.pl  -- Generate unique symbolsShow source
git.pl  -- Run GIT commandsShow source
hash_stream.pl  -- Maintain a hash on a streamShow source
heaps.pl  -- heaps/priority queuesShow source
intercept.pl  -- Intercept and signal interfaceShow source
intercept/3Run Goal as call/1.Source
intercept/4Similar 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.Source
intercept_all/4True when List contains all instances of Template that have been sent using send_signal/1 where the argument unifies with Ball.Source
nb_intercept_all/4As intercept_all/4, but backtracing inside Goal does not reset List.Source
send_signal/1If this predicate is called from a sub-goal of intercept/3, execute the associated Handler of the intercept/3 environment.Source
send_silent_signal/1As send_signal/1, but succeed silently if there is no matching intercept environment.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
main.pl  -- Provide entry point for scriptsShow source
make.pl  -- Reload modified source filesShow source
make/0Reload all source files that have been changed since they were loaded.Source
mallocinfo.pl  -- Memory allocation detailsShow source
md5.pl  -- MD5 hashesShow source
memfile.plShow source
modules.pl  -- Module utility predicatesShow source
nb_rbtrees.pl  -- Non-backtrackable operations on red black treesShow 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
odbc.plShow source
operators.pl  -- Manage operatorsShow source
option.pl  -- Option list processingShow source
dict_options/2Convert between an option list and a dictionary.Source
merge_options/3Merge two option lists.Source
meta_options/3Perform meta-expansion on options that are module-sensitive.Source
option/2Get an Option from OptionList.Source
option/3Get an Option from OptionList.Source
select_option/3Get and remove Option from an option list.Source
select_option/4Get and remove Option with default value.Source
ordsets.pl  -- Ordered set manipulationShow source
oset.pl  -- Ordered set manipulationShow source
pairs.pl  -- Operations on key-value listsShow source
paxos.pl  -- A Replicated Data StoreShow source
pcre.pl  -- Perl compatible regular expression matching for SWI-PrologShow source
pengines.pl  -- Pengines: Web Logic Programming Made EasyShow source
pengines_io.pl  -- Provide Prolog I/O for HTML clientsShow source
persistency.pl  -- Provide persistent dynamic predicatesShow source
pldoc.pl  -- Process source documentationShow source
porter_stem.plShow source
pprint.pl  -- Pretty Print Prolog termsShow source
predicate_options.pl  -- Access and analyse predicate optionsShow source
process.pl  -- Create processes and redirect I/OShow source
prolog_breakpoints.pl  -- Manage Prolog break-pointsShow source
prolog_clause.pl  -- Get detailed source-information about a clauseShow source
prolog_code.pl  -- Utilities for reasoning about codeShow source
body_term_calls/2True when BodyTerm calls Goal.Source
comma_list/2True if CommaList is a nested term over the ','/2 (';'/2) functor and List is a list expressing the elements of the conjunction.Source
extend_goal/3Extend the possibly qualified Goal0 with additional arguments from Extra.Source
head_name_arity/3Similar to functor/3, but deals with SWI-Prolog's zero-argument callable terms and avoids creating a non-callable term if Name is not an atom and Arity is zero.Source
is_control_goal/1True if Goal is a compiled Prolog control structure.Source
is_predicate_indicator/1True when Term is a predicate indicator.Source
mkconj/3Create a conjunction or disjunction from two terms.Source
mkdisj/3Create a conjunction or disjunction from two terms.Source
most_general_goal/2General is the most general version of Goal.Source
pi_head/2Translate between a PredicateIndicator and a Goal term.Source
predicate_label/2Create a human-readable label for the given predicate indicator.Source
predicate_sort_key/2Key is the (module-free) name of the predicate for sorting purposes.Source
semicolon_list/2True if CommaList is a nested term over the ','/2 (';'/2) functor and List is a list expressing the elements of the conjunction.Source
prolog_codewalk.pl  -- Prolog code walkerShow source
prolog_program_clause/2True when ClauseRef is a reference for clause in the program.Source
prolog_walk_code/1Walk over all loaded (user) Prolog code.Source
prolog_colour.pl  -- Prolog syntax colouring support.Show source
prolog_config.pl  -- Provide configuration informationShow source
prolog_format.pl  -- Analyse format specificationsShow source
prolog_metainference.pl  -- Infer meta-predicate propertiesShow source
prolog_pack.pl  -- A package manager for PrologShow source
prolog_source.pl  -- Examine Prolog source-filesShow source
prolog_xref.pl  -- Prolog cross-referencer data collectionShow 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.pl  -- Pure Input from files and streamsShow source
quasi_quotations.pl  -- Define Quasi Quotation syntaxShow source
quintus.pl  -- Quintus compatibilityShow source
abs/2Unify `Absolute' with the absolute value of `Number'.Source
acos/2Math library predicates.Source
asin/2Math library predicates.Source
atan/2Math library predicates.Source
atan2/3Math library predicates.Source
atom_char/2Same as ISO char_code/2.Source
ceiling/2Math library predicates.Source
compile/1Compile files.Source
cos/2Math library predicates.Source
current_stream/3SICStus/Quintus and backward compatible predicate.Source
date/1Get current date as date(Y,M,D).Source
floor/2Math library predicates.Source
genarg/3Generalised version of ISO arg/3.Source
log/2Math library predicates.Source
log10/2Math library predicates.Source
midstring/3Too difficult to explain.Source
midstring/4Too difficult to explain.Source
midstring/5Too difficult to explain.Source
midstring/6Too difficult to explain.Source
mode/1Ignore a DEC10/Quintus :- mode(Head) declaration.Source
no_style_check/1Same as SWI-Prolog style_check(-Style).Source
on_exception/3Source
otherwise/0For (A -> B ; otherwise -> C).Source
pow/3Math library predicates.Source
prolog_flag/2Same as ISO current_prolog_flag/2.Source
raise_exception/1Quintus compatible exception handling.Source
round/2Math library predicates.Source
sign/2Math library predicates.Source
simple/1Term is atomic or a variable.Source
sin/2Math library predicates.Source
skip_line/0Skip the rest of the current line (on Stream).Source
skip_line/1Skip the rest of the current line (on Stream).Source
sqrt/2Math library predicates.Source
stream_position/3True when Old is the current position in Stream and the stream has been repositioned to New.Source
tan/2Math library predicates.Source
unix/1This predicate provides a partial emulation of the corresponding Quintus predicate.Source
random.pl  -- Random numbersShow source
getrand/1Query/set the state of the random generator.Source
maybe/0Succeed/fail with equal probability (variant of maybe/1).Source
maybe/1Succeed with probability P, fail with probability 1-P.Source
maybe/2Succeed with probability K/N (variant of maybe/1).Source
random/1Binds R to a new random float in the open interval (0.0,1.0).Source
random/3Generate a random integer or float in a range.Source
random_between/3Binds R to a random integer in [L,U] (i.e., including both L and U).Source
random_member/2X is a random member of List.Source
random_perm2/4Does X=A,Y=B or X=B,Y=A with equal probability.Source
random_permutation/2Permutation is a random permutation of List.Source
random_select/3Randomly select or insert an element.Source
randseq/3S is a list of K unique random integers in the range 1..N.Source
randset/3S is a sorted list of K unique random integers in the range 1..N.Source
setrand/1Query/set the state of the random generator.Source
rbtrees.pl  -- Red black treesShow source
is_rbtree/1True if Term is a valide 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/4Delete element with key Key from the tree Tree, returning the value Val associated with the key and a new tree NewTree.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.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/5Tree NewTree is tree Tree, but with value for Key associated with NewVal.Source
rb_visit/2Pairs is an infix visit of tree Tree, where each element of Pairs is of the form Key-Value.Source
rdf.pl  -- RDF/XML parserShow source
rdf_parser.plShow source
element_to_plrdf/3Rewrite a single XML element.Source
rdf_name_space/1True if URL must be handled as rdf: Determines special handling of rdf:about, rdf:resource, etc.Source
xml_to_plrdf/3Translate an XML (using namespaces) term into an Prolog term representing the RDF data.Source
rdf_triple.pl  -- Create triples from intermediate representationShow source
rdf_write.pl  -- Write RDF/XML from a list of triplesShow source
readutil.pl  -- Read utilitiesShow source
record.pl  -- Access compound arguments by nameShow source
redis.pl  -- Redis clientShow source
redis_streams.pl  -- Using Redis streamsShow source
rewrite_term.plShow source
sandbox.pl  -- Sandboxed Prolog codeShow source
settings.pl  -- Setting managementShow source
sgml.pl  -- SGML, XML and HTML parserShow source
dtd/2DTD is a DTD object created from the file dtd(Type).Source
load_dtd/3Load DtdFile into a DTD.Source
load_html/3Load HTML text from Input and unify the resulting DOM structure with DOM.Source
load_html_file/2Load HTML from File and unify the resulting DOM structure with DOM.Source
load_sgml/3Load SGML text from Input and unify the resulting DOM structure with DOM.Source
load_sgml_file/2Load SGML from File and unify the resulting DOM structure with DOM.Source
load_structure/3Parse Source and return the resulting structure in ListOfContent.Source
load_xml/3Load XML text from Input and unify the resulting DOM structure with DOM.Source
load_xml_file/2Load XML from File and unify the resulting DOM structure with DOM.Source
xml_basechar/1XML character classification predicates.Source
xml_combining_char/1XML character classification predicates.Source
xml_digit/1XML character classification predicates.Source
xml_extender/1XML character classification predicates.Source
xml_ideographic/1XML character classification predicates.Source
xml_is_dom/1True if term statisfies the structure as returned by load_structure/3 and friends.Source
xml_name/1True if Atom is a valid XML name.Source
xml_quote_attribute/2Backward compatibility for versions that allow to specify encoding.Source
xml_quote_cdata/2Backward compatibility for versions that allow to specify encoding.Source
sgml_write.pl  -- XML/SGML writer moduleShow source
sha.pl  -- SHA secure hashesShow source
shell.pl  -- Elementary shell commandsShow source
shlib.pl  -- Utility library for loading foreign objects (DLLs, shared objects)Show source
snowball.pl  -- The Snowball multi-lingual stemmer libraryShow source
socket.pl  -- Network socket (TCP and UDP) libraryShow source
gethostname/1Return the canonical fully qualified name of this host.Source
negotiate_socks_connection/2Negotiate a connection to DesiredEndpoint over StreamPair.Source
proxy_for_url/3This hook can be implemented to return a proxy to try when connecting to URL.Source
tcp_accept/3This predicate waits on a server socket for a connection request by a client.Source
tcp_bind/2Bind the socket to Address on the current machine.Source
tcp_close_socket/1Closes the indicated socket, making SocketId invalid.Source
tcp_connect/2Connect SocketId.Source
tcp_connect/3Establish a TCP communication as a client.Source
tcp_connect/4Connect a (client) socket to Address and return a bi-directional connection through the stream-handles Read and Write.Source
tcp_fcntl/3Interface to the fcntl() call.Source
tcp_getopt/2Get information about Socket.Source
tcp_host_to_address/2Translate between a machines host-name and it's (IP-)address.Source
tcp_listen/2Tells, after tcp_bind/2, the socket to listen for incoming requests for connections.Source
tcp_open_socket/2Create streams to communicate to SocketId.Source
tcp_open_socket/3Similar to tcp_open_socket/2, but creates two separate sockets where tcp_open_socket/2 would have created a stream pair.Source
tcp_select/3Same as the built-in wait_for_input/3.Source
tcp_setopt/2Set options on the socket.Source
tcp_socket/1Creates an INET-domain stream-socket and unifies an identifier to it with SocketId.Source
try_proxy/4Attempt a socket-level connection via the given proxy to TargetAddress.Source
solution_sequences.pl  -- Modify solution sequencesShow source
sort.plShow source
locale_sort/2Sort a list of atoms using the current locale.Source
predsort/3Sorts similar to sort/2, but determines the order of two terms by calling Compare(-Delta, +E1, +E2).Source
ssl.pl  -- Secure Socket Layer (SSL) libraryShow source
statistics.pl  -- Get information about resource usageShow source
strings.pl  -- String utilitiesShow source
dedent_lines/3Remove shared indentation for all lines in a string.Source
indent_lines/3Add Prefix to the beginning of lines in In.Source
indent_lines/4Similar to indent_lines/3, but only adds Prefix to lines for which call(Filter, Line) succeeds.Source
interpolate_string/4Establish a string from a template by replacing patterns.Source
string/4Implements the quasi quotation syntax string.Source
string_lines/2True when String represents Lines.Source
syslog.pl  -- Unix syslog interfaceShow source
term_to_json.plShow source
terms.pl  -- Term manipulationShow source
thread.pl  -- High level thread primitivesShow source
thread_pool.pl  -- Resource bounded thread managementShow source
time.pl  -- Time and alarm libraryShow source
ugraphs.pl  -- Graph manipulation libraryShow source
uid.pl  -- User and group management on Unix systemsShow source
unix.pl  -- Unix specific operationsShow source
uri.pl  -- Process URIsShow source
url.pl  -- Analysing and constructing URLShow source
utf8.pl  -- UTF-8 encoding/decoding on lists of character codes.Show source
uuid.pl  -- Universally Unique Identifier (UUID) LibraryShow source
varnumbers.pl  -- Utilities for numbered termsShow source
when.pl  -- Conditional coroutiningShow source
www_browser.pl  -- Open a URL in the users browserShow source
xpath.pl  -- Select nodes in an XML DOMShow source
xsdp_types.pl  -- XML-Schema primitive typesShow source
yall.pl  -- Lambda expressionsShow source
yaml.pl  -- Process YAML dataShow source
yaml_read/2Parse Input to a YALM DOM.Source
yaml_write/2Emit a YAML DOM object as a serialized YAML document to the stream Out.Source
yaml_write/3Emit a YAML DOM object as a serialized YAML document to the stream Out.Source
zlib.pl  -- Zlib wrapper for SWI-PrologShow source