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Prolog files

aggregate.pl  -- Aggregation operators on backtrackable predicatesShow 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
foreach/2True if conjunction of results 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
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 a list, using arguments of the list as left argument.Source
foldl/5Fold a list, using arguments of the list as left argument.Source
foldl/6Fold a list, using arguments of the list as left argument.Source
foldl/7Fold a list, using arguments of the list as left argument.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/4Left scan of list.Source
scanl/5Left scan of list.Source
scanl/6Left scan of list.Source
scanl/7Left scan of list.Source
apply_macros.pl  -- Goal expansion rules to avoid meta-callingShow source
archive.pl  -- Access several archive formatsShow source
arithmetic.pl  -- Extensible arithmeticShow source
arithmetic_expression_value/2True when Result unifies with the arithmetic result of evaluating Expression.Source
arithmetic_function/1Declare a predicate as an arithmetic function.Source
assoc.pl  -- Binary associationsShow source
assoc_to_keys/2True if Keys is the list of keys in Assoc.Source
assoc_to_list/2Translate Assoc to a list Pairs of Key-Value pairs.Source
assoc_to_values/2True if Values is the list of values in Assoc.Source
del_assoc/4True if Key-Value is in Assoc0.Source
del_max_assoc/4True if Key-Value is in Assoc0 and Key is the greatest key.Source
del_min_assoc/4True if Key-Value is in Assoc0 and Key is the smallest key.Source
empty_assoc/1Is true if Assoc is the empty association list.Source
gen_assoc/3True if Key-Value is an association in Assoc.Source
get_assoc/3True if Key-Value is an association in Assoc.Source
get_assoc/5True if Key-Val0 is in Assoc0 and Key-Val is in Assoc.Source
is_assoc/1True if Assoc is an association list.Source
list_to_assoc/2Create an association from a list Pairs of Key-Value pairs.Source
map_assoc/2True if Pred(Value) is true for all values in Assoc.Source
map_assoc/3Map corresponding values.Source
max_assoc/3True if Key-Value is in Assoc and Key is the largest key.Source
min_assoc/3True if Key-Value is in assoc and Key is the smallest key.Source
ord_list_to_assoc/2Assoc is created from an ordered list Pairs of Key-Value pairs.Source
put_assoc/4Assoc is Assoc0, except that Key is associated with Value.Source
atom.pl  -- Operations on atomsShow 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
$apropos_match/2True if Needle is a sub atom of Haystack.Source
$arch/2Source
$argv/1Source
$declare_module/3Used in triple20 particle library.Source
$home/1Source
$module/2Source
$set_prompt/1Set the prompt for the toplevel.Source
$strip_module/3This used to be an internal predicate.Source
$version/1Source
C/3Used to be generated by DCG.Source
at_initialization/1Register goal only to be run if a saved state is restored.Source
checklist/2Source
concat/3Source
concat_atom/2Concatenate a list of atomic values to an atom.Source
concat_atom/3Concatenate a list of atomic values to an atom, inserting Separator between each consecutive elements.Source
convert_time/2Convert a time-stamp as obtained though get_time/1 into a textual representation using the C-library function ctime().Source
convert_time/8Convert a time stamp, provided by get_time/1, time_file/2, etc.Source
current_module/2True if Module is a module loaded from File.Source
current_mutex/3Source
current_thread/2Source
displayq/1Write term ignoring operators and quote atoms.Source
displayq/2Write term ignoring operators and quote atoms.Source
eval_license/0Source
export_list/2Module exports the predicates of List.Source
feature/2Control Prolog flags.Source
flush/0Source
free_variables/2Return a list of unbound variables in Term.Source
hash/1Demands PredInd to be indexed using a hash-table.Source
hash_term/2If Term is ground, Hash is unified to an integer representing a hash for Term.Source
index/1Prepare the predicate indicated by Head for multi-argument indexing.Source
lock_predicate/2Source
merge/3Merge the ordered sets List1 and List2 into a new ordered list.Source
merge_set/3Merge the ordered sets Set1 and Set2 into a new ordered set without duplicates.Source
message_queue_size/2True if Queue holds Size terms.Source
proper_list/1Old SWI-Prolog predicate to check for a list that really ends in a [].Source
read_clause/1Source
read_clause/2Source
read_pending_input/3Source
read_variables/2Source
read_variables/3Source
set_base_module/1Set the default module from whic we inherit.Source
set_feature/2Control Prolog flags.Source
setup_and_call_cleanup/3Call Cleanup once after Goal is finished.Source
setup_and_call_cleanup/4Call Cleanup once after Goal is finished, with Catcher unified to the reason.Source
sformat/2Source
sformat/3Source
string_to_atom/2Bi-directional conversion between string and atom.Source
string_to_list/2Bi-directional conversion between a string and a list of character codes.Source
sublist/3Succeeds if List2 unifies with a list holding those terms for wich call(Goal, Elem) succeeds.Source
substring/4Predecessor of sub_string using 1-based Offset.Source
sumlist/2True when Sum is the list of all numbers in List.Source
thread_at_exit/1Register Goal to be called when the calling thread exits.Source
trie_insert_new/3Source
unlock_predicate/2Source
write_ln/1Source
base32.pl  -- Base32 encoding and decodingShow source
base32/2Translates between plaintext and base32 encoded atom or string.Source
base32/3Encode/decode list of character codes using base32.Source
base64.pl  -- Base64 encoding and decodingShow source
base64/2Translates between plaintext and base64 encoded atom or string.Source
base64/3Encode/decode list of character codes using base64.Source
base64_encoded/3General the base64 encoding and decoding.Source
base64_encoded/4Source
base64url/2Translates between plaintext and base64url encoded atom or string.Source
base64url/3Encode/decode list of character codes using Base64URL.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
c14n2.pl  -- C14n2 canonical XML documentsShow source
cgi.pl  -- Read CGI parametersShow source
charsio.pl  -- I/O on Lists of Character CodesShow source
atom_to_chars/2Convert Atom into a list of character codes.Source
atom_to_chars/3Convert Atom into a difference list of character codes.Source
format_to_chars/3Use format/2 to write to a list of character codes.Source
format_to_chars/4Use format/2 to write to a difference list of character codes.Source
number_to_chars/2Convert Atom into a list of character codes.Source
number_to_chars/3Convert Number into a difference list of character codes.Source
open_chars_stream/2Open Codes as an input stream.Source
read_from_chars/2Read Codes into Term.Source
read_term_from_chars/3Read Codes into Term.Source
with_output_to_chars/2Run Goal as with once/1.Source
with_output_to_chars/3Run Goal as with once/1.Source
with_output_to_chars/4Same as with_output_to_chars/3 using an explicit stream.Source
write_to_chars/2Write a term to a code list.Source
write_to_chars/3Write a term to a code list.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
check_installation.pl  -- Check installation issues and featuresShow source
check_config_files/0Examines the locations of config files.Source
check_installation/0Check features of the installed system.Source
check_installation/1As check_installation/0, but additionally returns a list of Component-Problem pairs.Source
test_installation/0Run regression tests in the installed system.Source
test_installation/1Run regression tests in the installed system.Source
update_config_files/0Move config files from their old location to the new if the file or directory exists in the old location but not in the new.Source
chr.plShow source
debug_ask_continue/1Hook to ask for a CHR debug continuation.Source
debug_event/2Hook into the CHR debugger.Source
debug_interact/3Hook into the CHR debugger to display Event and ask for the next command to execute.Source
codesio.pl  -- I/O on Lists of Character CodesShow source
format_to_codes/3Use format/2 to write to a list of character codes.Source
format_to_codes/4Use format/2 to write to a difference list of character codes.Source
open_codes_stream/2Open Codes as an input stream.Source
read_from_codes/2Read Codes into Term.Source
read_term_from_codes/3Read Codes into Term.Source
with_output_to_codes/2Run Goal with as once/1.Source
with_output_to_codes/3Run Goal with as once/1.Source
with_output_to_codes/4As with_output_to_codes/3, but Stream is unified with the temporary stream.Source
write_term_to_codes/3True when Codes is a string that matches the output of write_term/3 using Options.Source
write_term_to_codes/4True when Codes\Tail is a difference list containing the character codes that matches the output of write_term/3 using Options.Source
write_to_codes/2Codes is a list of character codes produced by write/1 on Term.Source
write_to_codes/3Codes is a difference-list of character codes produced by write/1 on Term.Source
coinduction.pl  -- Co-Logic ProgrammingShow source
console_input.plShow source
crypt.plShow source
crypto.pl  -- Cryptography and authentication libraryShow source
csv.pl  -- Process CSV (Comma-Separated Values) dataShow source
csv/3Prolog DCG to `read/write' CSV data.Source
csv/4Prolog DCG to `read/write' CSV data.Source
csv_options/2Compiled is the compiled representation of the CSV processing options as they may be passed into csv//2, etc.Source
csv_read_file/2Read a CSV file into a list of rows.Source
csv_read_file/3Read a CSV file into a list of rows.Source
csv_read_file_row/3True when Row is a row in File.Source
csv_read_row/3Read the next CSV record from Stream and unify the result with Row.Source
csv_read_stream/3Read CSV data from Stream.Source
csv_write_file/2Write a list of Prolog terms to a CSV file.Source
csv_write_file/3Write a list of Prolog terms to a CSV file.Source
csv_write_stream/3Write the rows in Data to Stream.Source
ctypes.pl  -- Character code classificationShow source
date.pl  -- Process dates and timesShow 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.pl  -- Print debug messages and test assertionsShow 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 debug topics and their setting.Source
nodebug/1Add/remove a topic from being printed.Source
dialect.pl  -- Support multiple Prolog dialectsShow source
dicts.pl  -- Dict utilitiesShow source
dict_fill/4Implementation for the dicts_to_same_keys/3 OnEmpty closure that fills new cells with a copy of ValueIn.Source
dict_keys/2True when Keys is an ordered set of the keys appearing in Dict.Source
dicts_join/3Join dicts in Dicts that have the same value for Key, provided they do not have conflicting values on other keys.Source
dicts_join/4Join two lists of dicts (Dicts1 and Dicts2) on Key.Source
dicts_same_keys/2True if List is a list of dicts that all have the same keys and Keys is an ordered set of these keys.Source
dicts_same_tag/2True when List is a list of dicts that all have the tag Tag.Source
dicts_slice/3DictsOut is a list of Dicts only containing values for Keys.Source
dicts_to_compounds/4True when Dicts and Compounds are lists of the same length and each element of Compounds is a compound term whose arguments represent the values associated with the corresponding keys in Keys.Source
dicts_to_same_keys/3DictsOut is a copy of DictsIn, where each dict contains all keys appearing in all dicts of DictsIn.Source
dif.pl  -- The dif/2 constraintShow source
doc_files.pl  -- Create stand-alone documentation filesShow source
doc_save/2Save documentation for FileOrDir to file(s).Source
doc_http.pl  -- Documentation serverShow source
doc_browser/0Open user's default browser on the documentation server.Source
doc_browser/1Open user's default browser on the documentation server.Source
doc_enable/1Actually activate the PlDoc server.Source
doc_server/1Start a documentation server in the current Prolog process.Source
doc_server/2Start a documentation server in the current Prolog process.Source
doc_latex.pl  -- PlDoc LaTeX backendShow source
doc_latex/3Process one or more objects, writing the LaTeX output to OutFile.Source
latex_for_file/3Generate a LaTeX description of all commented predicates in File, writing the LaTeX text to the stream Out.Source
latex_for_predicates/3Generate LaTeX for a list of predicate indicators.Source
latex_for_wiki_file/3Write a LaTeX translation of a Wiki file to the steam Out.Source
double_metaphone.pl  -- Phonetic string matchingShow source
edinburgh.pl  -- Some traditional Edinburgh predicatesShow source
edit.pl  -- Editor interfaceShow source
editline.pl  -- BSD libedit based command line editingShow source
error.pl  -- Error generating supportShow 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
explain.pl  -- Describe Prolog TermsShow 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
fast_read/1The next term is read from current standard input and is unified with Term.Source
fast_write/1Output Term in a way that fast_read/1 and fast_read/2 will be able to read it back.Source
fast_write_to_string/3Perform a fast-write to the difference-slist String\Tail.Source
files.plShow source
can_open_file/2Succeeds if the user has access to `File' in mode `Mode'.Source
chdir/1Change Working Directory.Source
filesex.pl  -- Extended operations on filesShow source
chmod/2Set the mode of the target file.Source
copy_directory/2Copy the contents of the directory From to To (recursively).Source
copy_file/2Copy a file into a new file or directory.Source
delete_directory_and_contents/1Recursively remove the directory Dir and its contents.Source
delete_directory_contents/1Remove all content from directory Dir, without removing Dir itself.Source
directory_file_path/3True when Path is the full path-name for File in Dir.Source
directory_member/3True when Member is a path inside Directory.Source
link_file/3Create a link in the filesystem from NewPath to OldPath.Source
make_directory_path/1Create Dir and all required components (like mkdir -p).Source
relative_file_name/3True when RelPath is Path, relative to the file RelToFile.Source
set_time_file/3Query and set POSIX time attributes of a file.Source
gensym.pl  -- Generate unique symbolsShow source
gensym/2Generate <Base>1, <Base>2, etc atoms on each subsequent call.Source
reset_gensym/0Reset all gensym counters.Source
reset_gensym/1Reset a specific gensym counter.Source
git.pl  -- Run GIT commandsShow 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 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_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
hash_stream.pl  -- Maintain a hash on a streamShow source
heaps.pl  -- heaps/priority queuesShow source
add_to_heap/4Adds Key with priority Priority to Heap0, constructing a new heap in Heap.Source
delete_from_heap/4Deletes Key from Heap0, leaving its priority in Priority and the resulting data structure in Heap.Source
empty_heap/1True if Heap is an empty heap.Source
get_from_heap/4Retrieves the minimum-priority pair Priority-Key from Heap0.Source
heap_size/2Determines the number of elements in Heap.Source
heap_to_list/2Constructs a list List of Priority-Element terms, ordered by (ascending) priority.Source
is_heap/1Returns true if X is a heap.Source
list_to_heap/2If List is a list of Priority-Element terms, constructs a heap out of List.Source
merge_heaps/3Merge the two heaps Heap0 and Heap1 in Heap.Source
min_of_heap/3Unifies Key with the minimum-priority element of Heap and Priority with its priority value.Source
min_of_heap/5Gets the two minimum-priority elements from Heap.Source
singleton_heap/3True if Heap is a heap with the single element Priority-Key.Source
help.pl  -- Text based manualShow 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
show_html_hook/1Hook called to display the extracted HTML document.Source
hotfix.pl  -- Load hotfixes into executablesShow source
load_hotfixes/1Load all hotfixes that have not yet been applied into the current state.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
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
iso_639.plShow source
isub.pl  -- isub: a string similarity measureShow source
isub/4Similarity is a measure for the distance between Text1 and Text2.Source
jpl.pl  -- A Java interface for SWI Prolog 7.xShow source
jpl_array_to_length/2Array should be a JPL reference to a Java array of any type.Source
jpl_array_to_list/2Array should be a JPL reference to a Java array of any type.Source
jpl_array_to_terms/2JRef should be a JPL reference to a Java array of org.jpl7.Term instances (or ots subtypes); Terms will be a list of the terms which the respective array elements represent.Source
jpl_c_lib_version/1Version is the fully qualified version identifier of the in-use C component (jpl.c) of JPL.Source
jpl_call/4X should be either * an object reference, e.g.Source
jpl_class_to_classname/2Class is a reference to a class object.Source
jpl_class_to_type/2ClassObject is a reference to a class object of Type.Source
jpl_classname_to_class/2ClassName unambiguously represents a class, e.g.Source
jpl_classname_to_type/2Classname is any of: a source-syntax (dotted) class name, e.g.Source
jpl_datum_to_type/2Datum must be a JPL representation of an instance of one (or more) Java types;.Source
jpl_datums_to_array/2A will be a JPL reference to a new Java array, whose base type is the most specific Java type of which each member of Datums is (directly or indirectly) an instance.Source
jpl_enumeration_element/2Generates each Element from Enumeration.Source
jpl_enumeration_to_list/2Enumeration should be a JPL reference to an object which implements the Enumeration interface.Source
jpl_false/1X is @(false), the JPL representation of the Java boolean value 'false'.Source
jpl_get/3X can be.Source
jpl_get_actual_jvm_opts/1Returns (as a list of atoms) the options with which the JVM was initialised.Source
jpl_get_default_jvm_opts/1Returns (as a list of atoms) the options which will be passed to the JVM when it is initialised, e.g.Source
jpl_hashtable_pair/2Generates Key-Value pairs from the given HashTable.Source
jpl_is_class/1True if Term is a JPL reference to an instance of java.lang.Class.Source
jpl_is_false/1True if Term is @(false), the JPL representation of the Java boolean value 'false'.Source
jpl_is_null/1True if Term is @(null), the JPL representation of Java's 'null' reference.Source
jpl_is_object/1True if Term is a well-formed JPL object reference.Source
jpl_is_object_type/1True if Term is an object (class or array) type, not e.g.Source
jpl_is_ref/1True if Term is a well-formed JPL reference, either to a Java object or to Java's notional but important 'null' non-object.Source
jpl_is_true/1True if Term is @(true), the JPL representation of the Java boolean value 'true'.Source
jpl_is_type/1True if Term is a well-formed JPL type structure.Source
jpl_is_void/1True if Term is @(void), the JPL representation of the pseudo Java value 'void' (which is returned by jpl_call/4 when invoked on void methods).Source
jpl_iterator_element/2Iterator should be a JPL reference to an object which implements the java.util.Iterator interface.Source
jpl_list_to_array/2Datums should be a proper Prolog list of JPL datums (values or references).Source
jpl_map_element/2Map must be a JPL Reference to an object which implements the java.util.Map interface.Source
jpl_new/3X can be: * an atomic classname, e.g.Source
jpl_null/1X is @(null), the JPL representation of Java's 'null' reference.Source
jpl_object_to_class/2fails silently if Object is not a valid reference to a Java object.Source
jpl_object_to_type/2Object must be a proper JPL reference to a Java object (i.e.Source
jpl_pl_lib_version/1Version is the fully qualified version identifier of the in-use Prolog component (jpl.pl) of JPL.Source
jpl_pl_syntax/1Unifies Syntax with 'traditional' or 'modern' according to the mode in which SWI Prolog 7.x was started.Source
jpl_primitive_type/1Type is an atomic JPL representation of one of Java's primitive types.Source
jpl_ref_to_type/2Ref must be a proper JPL reference (to an object, null or void).Source
jpl_servlet_byref/3This serves the byref servlet demo, exemplifying one tactic for implementing a servlet in Prolog by accepting the Request and Response objects as JPL references and accessing their members via JPL as required;.Source
jpl_servlet_byval/3This exemplifies an alternative (to jpl_servlet_byref) tactic for implementing a servlet in Prolog; most Request fields are extracted in Java before this is called, and passed in as a multimap (a map, some of whose values are maps).Source
jpl_set/3sets the Fspec-th field of (class or object) X to value V iff it is assignable.Source
jpl_set_default_jvm_opts/1Replaces the default JVM initialisation options with those supplied.Source
jpl_set_element/2Set must be a JPL reference to an object which implements the java.util.Set interface.Source
jpl_terms_to_array/2Terms should be a proper Prolog list of arbitrary terms.Source
jpl_true/1X is @(true), the JPL representation of the Java boolean value 'true'.Source
jpl_type_to_class/2Incomplete types are now never cached (or otherwise passed around).Source
jpl_type_to_classname/2Type, which is a class or array type (not sure about the others...), is denoted by ClassName in dotted syntax.Source
jpl_void/1X is @(void), the JPL representation of the pseudo Java value 'void'.Source
lazy_lists.pl  -- Lazy list handlingShow source
lazy_engine_next/4Lazy list iterator for engines.Source
lazy_findall/3True when List is a lazy list containing the instantiations for Template for each answer of Goal.Source
lazy_findall/4True when List is a lazy list containing the instantiations for Template for each answer of Goal.Source
lazy_get_codes/4Lazy list iterator to get character codes from a stream.Source
lazy_list/2Create a lazy list from a callback.Source
lazy_list/3Create a lazy list where the next element is defined by.Source
lazy_list_iterator/4Directive to create a lazy list iterator from a predicate that gets a single next value.Source
lazy_list_length/2True if Len is the length of the materialized lazy list.Source
lazy_list_materialize/1Materialize the lazy list.Source
lazy_message_queue/4Lazy list iterator for message queues.Source
lazy_read_lines/4Lazy list iterator to read lines from Stream.Source
lazy_read_terms/4Turn a stream into a lazy list of Prolog terms.Source
listing.pl  -- List programs and pretty print clausesShow source
lists.pl  -- List ManipulationShow source
append/2Concatenate a list of lists.Source
append/3List1AndList2 is the concatenation of List1 and List2.Source
delete/3Delete matching elements from a list.Source
flatten/2Is true if FlatList is a non-nested version of NestedList.Source
intersection/3True if Set3 unifies with the intersection of Set1 and Set2.Source
is_set/1True if Set is a proper list without duplicates.Source
last/2Succeeds when Last is the last element of List.Source
list_to_set/2True when Set has the same elements as List in the same order.Source
max_list/2True if Max is the largest number in List.Source
max_member/2True when Max is the largest member in the standard order of terms.Source
member/2True if Elem is a member of List.Source
min_list/2True if Min is the smallest number in List.Source
min_member/2True when Min is the smallest member in the standard order of terms.Source
nextto/3True if Y directly follows X in List.Source
nth0/3True when Elem is the Index'th element of List.Source
nth0/4Select/insert element at index.Source
nth1/3Is true when Elem is the Index'th element of List.Source
nth1/4As nth0/4, but counting starts at 1.Source
numlist/3List is a list [Low, Low+1, ... High].Source
permutation/2True when Xs is a permutation of Ys.Source
prefix/2True iff Part is a leading substring of Whole.Source
proper_length/2True when Length is the number of elements in the proper list List.Source
reverse/2Is true when the elements of List2 are in reverse order compared to List1.Source
same_length/2Is true when List1 and List2 are lists with the same number of elements.Source
select/3Is true when List1, with Elem removed, results in List2.Source
select/4Select from two lists at the same positon.Source
selectchk/3Semi-deterministic removal of first element in List that unifies with Elem.Source
selectchk/4Semi-deterministic version of select/4.Source
subset/2True if all elements of SubSet belong to Set as well.Source
subtract/3Delete all elements in Delete from Set.Source
sum_list/2Sum is the result of adding all numbers in List.Source
union/3True if Set3 unifies with the union of the lists Set1 and Set2.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
md5.pl  -- MD5 hashesShow source
md5_hash/3Hash is the MD5 hash of Data, The conversion is controlled by Options:.Source
memfile.plShow source
modules.pl  -- Module utility predicatesShow source
in_temporary_module/3Run Goal on temporary loaded sources and discard the module and loaded predicates after completion.Source
nb_rbtrees.pl  -- Non-backtrackable operations on red black treesShow source
nb_rb_get_node/3True if Node is the node in RBTree associated to Key.Source
nb_rb_insert/3Add Key-Value to the tree RBTree using non-backtrackable destructive assignment.Source
nb_rb_node_value/2Value is the value associated to Node.Source
nb_rb_set_node_value/2Associate Value with Node.Source
nb_set.pl  -- Non-backtrackable setsShow source
occurs.pl  -- Finding and counting sub-termsShow source
contains_term/2Succeeds if Sub is contained in Term (=, deterministically).Source
contains_var/2Succeeds if Sub is contained in Term (==, deterministically).Source
free_of_term/2Succeeds of Sub does not unify to any subterm of Term.Source
free_of_var/2Succeeds of Sub is not equal (==) to any subterm of Term.Source
occurrences_of_term/3Count the number of SubTerms in Term.Source
occurrences_of_var/3Count the number of SubTerms in Term.Source
sub_term/2Generates (on backtracking) all subterms of Term.Source
sub_var/2Generates (on backtracking) all subterms (==) of Term.Source
odbc.plShow source
odbc_current_connection/2True if Conn is an open ODBC connection to DSN.Source
odbc_current_table/2Enumerate the existing tables.Source
odbc_data_source/2Enumerate the available data-sources.Source
odbc_driver_connect/3Connects to a database using SQLDriverConnect().Source
odbc_query/2Execute SQL-statement that does not produce a result.Source
odbc_query/3Run query without options.Source
odbc_table_column/3True if Column appears in Table on Connection.Source
odbc_table_column/4Source
odbc_table_foreign_key/5Enumerate foreign keys columns.Source
odbc_table_primary_key/3Enumerate columns in primary key for table.Source
odbc_type/3Source
operators.pl  -- Manage operatorsShow source
pop_operators/0Revert all changes to the operator table realised since the last push_operators/1.Source
pop_operators/1Reset operators as pushed by push_operators/2.Source
push_op/3As op/3, but this call must appear between push_operators/1 and pop_operators/0.Source
push_operators/1Installs the operators from New, where New is a list of op(Prec, Type, :Name).Source
push_operators/2Installs the operators from New, where New is a list of op(Prec, Type, :Name).Source
option.pl  -- Option list processingShow source
optparse.pl  -- command line parsingShow source
opt_arguments/3Extract commandline options according to a specification.Source
opt_help/2True when Help is a help string synthesized from OptsSpec.Source
opt_parse/4Equivalent to opt_parse(OptsSpec, ApplArgs, Opts, PositionalArgs, []).Source
opt_parse/5Parse the arguments Args (as list of atoms) according to OptsSpec.Source
parse_type/3Hook to parse option text Codes to an object of type Type.Source
ordsets.pl  -- Ordered set manipulationShow source
oset.pl  -- Ordered set manipulationShow 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/3Source
pairs.pl  -- Operations on key-value listsShow source
group_pairs_by_key/2Group values with equivalent (==/2) consecutive keys.Source
map_list_to_pairs/3Create a Key-Value list by mapping each element of List.Source
pairs_keys/2Remove the values from a list of Key-Value pairs.Source
pairs_keys_values/3True if Keys holds the keys of Pairs and Values the values.Source
pairs_values/2Remove the keys from a list of Key-Value pairs.Source
transpose_pairs/2Swap Key-Value to Value-Key.Source
paxos.pl  -- A Replicated Data StoreShow source
paxos_get/1Equivalent to paxos_key(Term,Key), pasox_get(Key,Term).Source
paxos_get/2unifies Term with the entry retrieved from the Paxon's ledger.Source
paxos_get/3unifies Term with the entry retrieved from the Paxon's ledger.Source
paxos_initialize/1Initialize this Prolog process as a paxos node.Source
paxos_ledger_hook/5Hook called for all operations on the ledger.Source
paxos_on_change/2Executes the specified Goal when Key changes.Source
paxos_on_change/3Executes the specified Goal when Key changes.Source
paxos_property/1True if Property is a current property for the paxos network.Source
paxos_quorum_ask/4Ask the paxos forum for their opinion.Source
paxos_replicate_key/3Replicate a Key to Nodes.Source
paxos_set/1Equivalent to paxos_key(Term,Key), pasox_set(Key,Term).Source
paxos_set/2negotiates to have Key-Value recorded in the ledger for each of the quorum's members.Source
paxos_set/3negotiates to have Key-Value recorded in the ledger for each of the quorum's members.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
binding_term/5Hook to render a Prolog result term as HTML.Source
message_lines_to_html/3Helper that translates the Lines argument from user:message_hook/3 into an HTML string.Source
pengine_bind_io_to_html/1Redefine the built-in predicates for IO to send HTML messages using pengine_output/1.Source
pengine_display/1Redirect the corresponding Prolog output predicates.Source
pengine_flush_output/0No-op.Source
pengine_format/1As format/1,2.Source
pengine_format/2As format/1,2.Source
pengine_io_predicate/1True when Head describes the head of a (system) IO predicate that is redefined by the HTML binding.Source
pengine_listing/0List the content of the current pengine or a specified predicate in the pengine.Source
pengine_listing/1List the content of the current pengine or a specified predicate in the pengine.Source
pengine_nl/0Emit a <br/> to the pengine.Source
pengine_print/1Redirect the corresponding Prolog output predicates.Source
pengine_write/1Redirect the corresponding Prolog output predicates.Source
pengine_write_canonical/1Redirect the corresponding Prolog output predicates.Source
pengine_write_term/2Writes term as <span class=Class>Term</span>.Source
pengine_writeln/1Emit Term as <span class=writeln>Term<br></span>.Source
pengine_writeq/1Redirect the corresponding Prolog output predicates.Source
show_html_hook/1Hook into help/1 to render the help output in the SWISH console.Source
message_hook/3Send output from print_message/2 to the pengine.Source
persistency.pl  -- Provide persistent dynamic predicatesShow source
current_persistent_predicate/1True if PI is a predicate that provides access to the persistent database DB.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_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
pldoc.pl  -- Process source documentationShow source
plunit.pl  -- Unit TestingShow source
begin_tests/1Start a test-unit.Source
begin_tests/2Start a test-unit.Source
end_tests/1Close a unit-test module.Source
load_test_files/1Load .plt test-files related to loaded source-files.Source
run_tests/0Run tests and report about the results.Source
run_tests/1Run tests and report about the results.Source
running_tests/0Print the currently running test.Source
set_test_options/1Specifies how to deal with test suites.Source
test_report/1Produce reports on test results after the run.Source
message_hook/3Redefine printing some messages.Source
porter_stem.plShow source
portray_text.pl  -- Portray textShow 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
is_process/1True if PID might be a process.Source
process_create/3Create a new process running the file Exe and using arguments from the given list.Source
process_group_kill/1Send signal to the group containing process PID.Source
process_group_kill/2Send signal to the group containing process PID.Source
process_id/1True if PID is the process id of the running Prolog process.Source
process_id/2PID is the process id of Process.Source
process_kill/1Send signal to process PID.Source
process_kill/2Send signal to process PID.Source
process_release/1Release process handle.Source
process_set_method/1Determine how the process is created on Unix systems.Source
process_wait/2True if PID completed with Status.Source
process_wait/3True if PID completed with Status.Source
prolog_autoload.pl  -- Autoload all dependenciesShow 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.pl  -- Get detailed source-information about a clauseShow source
prolog_code.pl  -- Utilities for reasoning about codeShow 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_deps.pl  -- Compute file dependenciesShow source
file_auto_import/2Update the autoload/2 directives for File.Source
file_autoload_directives/3Compute the dependencies as autoload/2 directives.Source
prolog_format.pl  -- Analyse format specificationsShow source
prolog_history.pl  -- Per-directory persistent commandline historyShow source
prolog_install.pl  -- Installation support predicatesShow source
cmake_qcompile/2Qcompile on behalf of CMAKE installation.Source
cmake_save_man_index/0Create swi('doc/manindex.db') during the build process.Source
qcompile_libraries/0Quick-load compilation of the Prolog libraries.Source
prolog_jiti.pl  -- Just In Time Indexing (JITI) utilitiesShow 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
prolog_metainference.pl  -- Infer meta-predicate propertiesShow 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
environment/2Hook to define the environment for building packs.Source
pack_info/1Print more detailed information about Pack.Source
pack_install/1Install a package.Source
pack_install/2Install package Name.Source
pack_list/1Query package server and installed packages and display results.Source
pack_list_installed/0List currently installed packages.Source
pack_property/2True when Property is a property of an installed Pack.Source
pack_rebuild/0Rebuild foreign components of all packages.Source
pack_rebuild/1Rebuilt possible foreign components of Pack.Source
pack_remove/1Remove the indicated package.Source
pack_search/1Query package server and installed packages and display results.Source
pack_upgrade/1Try to upgrade the package Pack.Source
pack_url_file/2True if File is a unique id for the referenced pack and version.Source
prolog_server.plShow source
prolog_server/2Create a TCP/IP based server on the given Port, so you can telnet into Prolog and run an interactive session.Source
prolog_source.pl  -- Examine Prolog source-filesShow source
prolog_stack.pl  -- Examine the Prolog stackShow source
backtrace/1Get and print a stacktrace to the user_error stream.Source
get_prolog_backtrace/2Obtain a backtrace from the current location.Source
get_prolog_backtrace/3Obtain a backtrace from the current location.Source
print_prolog_backtrace/2Print a stacktrace in human readable form to Stream.Source
print_prolog_backtrace/3Print a stacktrace in human readable form to Stream.Source
prolog_stack_frame_property/2True when Property is a property of Frame.Source
stack_guard/1Dynamic multifile hook that is normally not defined.Source
stack_guard/1Dynamic multifile predicate.Source
prolog_stream.pl  -- A stream with Prolog callbacksShow source
prolog_trace.pl  -- Print access to predicatesShow source
prolog_wrap.pl  -- Wrapping predicatesShow source
prolog_xref.pl  -- Prolog cross-referencer data collectionShow source
protobufs.pl  -- Google's Protocol BuffersShow source
protobuf_message/2Marshalls and unmarshalls byte streams encoded using Google's Protobuf grammars.Source
protobuf_message/3Marshalls and unmarshalls byte streams encoded using Google's Protobuf grammars.Source
pure_input.pl  -- Pure Input from files and streamsShow 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
pwp.pl  -- Prolog Well-formed PagesShow source
pwp_files/2loads an Xml document from the file named In, transforms it using the PWP attributes, and writes the transformed version to the new file named Out.Source
pwp_stream/3Loads an Xml document from the given Input stream, transforms it using the PWP attributes, and writes the transformed version to the given Output stream.Source
pwp_xml/3maps down a list of XML items, acting specially on elements and copying everything else unchanged, including white space.Source
qpforeign.pl  -- Quintus compatible foreign loaderShow source
load_foreign_files/0Calls make_foreign_wrapper_file(+File), compiles the wrapper and loads the predicates.Source
load_foreign_files/2Calls make_foreign_wrapper_file(+File), compiles the wrapper and loads the predicates.Source
load_foreign_files/3Calls make_foreign_wrapper_file(+File), compiles the wrapper and loads the predicates.Source
load_foreign_resource/2Load a foreign module.Source
make_foreign_resource_wrapper/3Create a wrapper-file for the given foreign resource.Source
make_foreign_wrapper_file/1Just output the wrapper file to the named .c file.Source
make_foreign_wrapper_file/2Just output the wrapper file to the named .c file.Source
make_shared_object/3Generate a wrapper and link it using plld to the given SharedObject.Source
qsave.pl  -- Save current program as a state or executableShow 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
quasi_quotations.pl  -- Define Quasi Quotation syntaxShow source
phrase_from_quasi_quotation/2Process the quasi quotation using the DCG Grammar.Source
quasi_quotation_syntax/1Declare the predicate SyntaxName/4 to implement the the quasi quote syntax SyntaxName.Source
quasi_quotation_syntax_error/1Report syntax_error(Error) using the current location in the quasi quoted input parser.Source
with_quasi_quotation_input/3Process the quasi-quoted Content using Stream parsed by Goal.Source
quintus.pl  -- Quintus compatibilityShow 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
rdf_triple.pl  -- Create triples from intermediate representationShow source
anon_prefix/1If defined, it is the prefix used to generate a blank node.Source
rdf_end_file/1Cleanup reaching the end of an RDF file.Source
rdf_reset_ids/0Utility predicate to reset the gensym counters for the various generated identifiers.Source
rdf_start_file/2Initialise for the translation of a file.Source
rdf_triples/2Convert an object as parsed by rdf.pl into a list of rdf/3 triples.Source
rdf_triples/3Convert an object as parsed by rdf.pl into a list of rdf/3 triples.Source
rdf_write.pl  -- Write RDF/XML from a list of triplesShow source
rdf_write_xml/2Write an RDF/XML serialization of Triples to Out.Source
readline.pl  -- GNU readline interfaceShow source
readln.pl  -- Read line as list of tokensShow source
readutil.pl  -- Read utilitiesShow source
read_file_to_codes/3Read the file Spec into a list of Codes.Source
read_file_to_string/3Read the file Spec into a the string String.Source
read_file_to_terms/3Read the file Spec into a list of terms.Source
read_line_to_codes/2Read the next line of input from Stream.Source
read_line_to_codes/3Difference-list version to read an input line to a list of character codes.Source
read_line_to_string/2Read the next line from Stream into String.Source
read_stream_to_codes/2Read input from Stream to a list of character codes.Source
read_stream_to_codes/3Read input from Stream to a list of character codes.Source
record.pl  -- Access compound arguments by nameShow source
current_record/2True if Name is the name of a record defined in the module associated with Term and Term is the user-provided record declaration.Source
current_record_predicate/2True if PI is the predicate indicator for an access predicate to Record.Source
record/1Define access predicates for a compound-term.Source
rewrite_term.plShow source
rewrite_term/2Invoke the term-rewriting system.Source
rlimit.plShow source
saml.pl  -- SAML AuthenticationShow source
sandbox.pl  -- Sandboxed Prolog codeShow 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
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
settings.pl  -- Setting managementShow source
convert_setting_text/3Converts from textual form to Prolog Value.Source
current_setting/1True if Setting is a currently defined setting.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
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
html_write/2Write a term as created by the SGML/XML parser to a stream in SGML or XML format.Source
html_write/3Write a term as created by the SGML/XML parser to a stream in SGML or XML format.Source
sgml_write/2Write a term as created by the SGML/XML parser to a stream in SGML or XML format.Source
sgml_write/3Write a term as created by the SGML/XML parser to a stream in SGML or XML format.Source
xml_write/2Write a term as created by the SGML/XML parser to a stream in SGML or XML format.Source
xml_write/3Write a term as created by the SGML/XML parser to a stream in SGML or XML format.Source
xmlns/2Hook to define human readable abbreviations for XML namespaces.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
compat_arch/2User definable hook to establish if Arch1 is compatible with Arch2 when running a shared object.Source
current_foreign_library/2Query currently loaded shared libraries.Source
load_foreign_library/1Load a shared object or DLL.Source
load_foreign_library/2Load a shared object or DLL.Source
reload_foreign_libraries/0Reload all foreign libraries loaded (after restore of a state created using qsave_program/2.Source
unload_foreign_library/1Unload a shared object or DLL.Source
unload_foreign_library/2Unload a shared object or DLL.Source
use_foreign_library/1Load and install a foreign library as load_foreign_library/1,2 and register the installation using initialization/2 with the option now.Source
use_foreign_library/2Load and install a foreign library as load_foreign_library/1,2 and register the installation using initialization/2 with the option now.Source
win_add_dll_directory/1Add AbsDir to the directories where dependent DLLs are searched on Windows systems.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
profile/1Run Goal under the execution profiler.Source
profile/2Run 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
statistics/0Print information about resource usage using print_message/2.Source
statistics/1Stats is a dict representing the same information as statistics/0.Source
thread_statistics/2Obtain statistical information about a single thread.Source
time/1Execute Goal, reporting statistics to the user.Source
streaminfo.plShow source
stream_info/1Print detailed information about a stream or a file-number to the error output.Source
streampool.pl  -- Input multiplexingShow source
close_stream_pool/0Close all streams in the pool.Source
delete_stream_from_pool/1Retract stream from the pool.Source
dispatch_stream_pool/1Wait for input on one or more streams and handle that.Source
stream_pool_main_loop/0Keep handling input from the streams in the pool until they have all died away.Source
syslog.pl  -- Unix syslog interfaceShow source
system.pl  -- System utilitiesShow source
table.plShow source
table_util.pl  -- Tabular file handling utilitiesShow source
sort_table/2Read the records from the given table, sort them according to the ordering information on the key field and write the result to the given filename.Source
verify_table_order/1If Table is a handle to a defined table and the table contains a key-fields, check that the fields in the table are really sorted according to the order defined in the table.Source
tables.pl  -- XSB interface to tablesShow source
abolish_table_call/1Same as abolish_table_subgoals/1.Source
abolish_table_call/2Same as abolish_table_subgoals/1.Source
abolish_table_pred/1Invalidates all tabled subgoals for the predicate denoted by the predicate or term indicator Pred.Source
abolish_table_subgoals/2Behaves as abolish_table_subgoals/1, but allows the default table_gc_action to be over-ridden with a flag, which can be either abolish_tables_transitively or abolish_tables_singly.Source
get_call/3True when Trie is an answer trie for a variant of CallTerm.Source
get_calls/3True when Trie is an answer trie for a variant that unifies with CallTerm and Skeleton is the answer skeleton.Source
get_residual/2True if CallTerm appears in a table and has DelayList.Source
get_returns/2True when Return is an answer template for the AnswerTrie.Source
get_returns/3True when Return is an answer template for the AnswerTrie and the answer is represented by the trie node NodeID.Source
get_returns_and_dls/3True when Return appears in AnswerTrie with the given DelayLists.Source
get_returns_and_tvs/3Identical to get_returns/2, but also obtains the truth value of a given answer, setting TruthValue to t if the answer is unconditional and to u if it is conditional.Source
get_returns_for_call/2True if AnswerTerm appears in the tables for the variant CallTerm.Source
set_pil_off/0Dummy predicates for XSB compatibility.Source
set_pil_on/0Dummy predicates for XSB compatibility.Source
t not/1Tabled negation.Source
tfindall/3This predicate emerged in XSB in an attempt to provide a safer alternative to findall/3.Source
term_to_json.plShow source
term_to_json/2Convert any general Prolog term into a JSON term.Source
term_to_json/3Convert any general Prolog term into a JSON term.Source
terms.pl  -- Term manipulationShow source
test_cover.pl  -- Clause cover analysisShow source
show_coverage/1Report on coverage by Goal.Source
show_coverage/2Report on coverage by Goal.Source
test_wizard.pl  -- Test Generation WizardShow source
make_test/3Generate a test from a query.Source
make_tests/3Create tests from queries stored in File and write the tests for Module to the stream Out.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 Test is true for all solutions of Generate.Source
concurrent_forall/3True when Test 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
create_pool/1Hook to create a thread pool lazily.Source
current_thread_pool/1True if Name refers to a defined thread pool.Source
thread_create_in_pool/4Create a thread in Pool.Source
thread_pool_create/3Create a pool of threads.Source
thread_pool_destroy/1Destroy the thread pool named Name.Source
thread_pool_property/2True if Property is a property of thread pool Name.Source
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
interactor/0Run a Prolog toplevel in another thread with a new console window.Source
interactor/1Run a Prolog toplevel in another thread with a new console window.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
thread_run_interactor/0Attach a console and run a Prolog toplevel in the current thread.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
xterm_args/1Multifile and dynamic hook that provides (additional) arguments for the xterm(1) process opened for additional thread consoles.Source
time.pl  -- Time and alarm libraryShow source
alarm/3Set up an alarm to be signaled Time seconds from now.Source
alarm/4Set up an alarm to be signaled Time seconds from now.Source
alarm_at/3As alarm/3 and alarm/4, but schedule the alarm at an absolute point in time.Source
alarm_at/4As alarm/3 and alarm/4, but schedule the alarm at an absolute point in time.Source
call_with_time_limit/2Call Goal, while watching out for a (wall-time) limit.Source
current_alarm/4Enumerate the alarms in the schedule.Source
install_alarm/1Install an alarm allocated using alarm/4 with the install(false) option or de-activated using uninstall_alarm/1.Source
install_alarm/2Install an alarm allocated using alarm/4 with the install(false) option or de-activated using uninstall_alarm/1.Source
remove_alarm/1Remove an alarm.Source
uninstall_alarm/1De-activate an alarm.Source
tty.pl  -- Terminal operationsShow source
udp_broadcast.pl  -- A UDP broadcast proxyShow source
udp_broadcast_close/1Close a UDP broadcast scope.Source
udp_broadcast_initialize/2Initialized UDP broadcast bridge.Source
udp_peer/2Manage and query the set of known peers for a unicast network.Source
udp_peer_add/2Manage and query the set of known peers for a unicast network.Source
udp_peer_del/2Manage and query the set of known peers for a unicast network.Source
udp_term_string_hook/3Hook for serializing the message Term.Source
udp_unicast_join_hook/3This multifile hook is called if an UDP package is received on the port of the unicast network identified by Scope.Source
ugraphs.pl  -- Graph manipulation libraryShow source
uid.pl  -- User and group management on Unix systemsShow source
getegid/1GID is the effective group ID of the calling process.Source
geteuid/1UID is the effective user ID of the calling process.Source
getgid/1GID is the real group ID of the calling process.Source
getgroups/1GroupsIDs is the set of supplementary group IDs of the calling process.Source
getuid/1UID is the real user ID of the calling process.Source
group_data/3Value is the value for Field GroupData.Source
group_info/2GroupData represent the group information for Group.Source
initgroups/2Initialise the group access list of the calling process to the registered groups for User and the group Group.Source
set_user_and_group/1Set the UID and GID to the User.Source
set_user_and_group/2Set the UID and GID to the User.Source
setegid/1Set the effective group id of the calling process.Source
seteuid/1Set the effective user id of the calling process.Source
setgid/1Set the group id of the calling process.Source
setgroups/1Set the group access list of the caling process to the indicated groups.Source
setuid/1Set the user id of the calling process.Source
user_data/3Value is the value for Field in UserData.Source
user_info/2UserData represent the passwd information for User.Source
unicode.pl  -- Unicode string handlingShow source
unicode_map/3Perform unicode normalization operations.Source
unicode_nfc/2Characters are decomposed and then recomposed by canonical equivalence.Source
unicode_nfd/2Characters are decomposed by canonical equivalence.Source
unicode_nfkc/2Characters are decomposed by compatibility equivalence, then recomposed by canonical equivalence.Source
unicode_nfkd/2Characters are decomposed by compatibility equivalence.Source
unicode_property/2True if Property is defined for Char.Source
unix.pl  -- Unix specific operationsShow source
uri.pl  -- Process URIsShow source
iri_normalized/2NormalizedIRI is the normalized form of IRI.Source
iri_normalized/3NormalizedGlobalIRI is the normalized global version of IRI.Source
uri_authority_components/2Break-down the authority component of a URI.Source
uri_authority_data/3Provide access the uri_authority structure.Source
uri_components/2Break a URI into its 5 basic components according to the RFC-3986 regular expression:.Source
uri_data/3Provide access the uri_component structure.Source
uri_data/4NewComponents is the same as Components with Field set to Data.Source
uri_encoded/3Encoded is the URI encoding for Value.Source
uri_file_name/2Convert between a URI and a local file_name.Source
uri_iri/2Convert between a URI, encoded in US-ASCII and an IRI.Source
uri_is_global/1True if URI has a scheme.Source
uri_normalized/2NormalizedURI is the normalized form of URI.Source
uri_normalized/3NormalizedGlobalURI is the normalized global version of URI.Source
uri_normalized_iri/2As uri_normalized/2, but percent-encoding is translated into IRI Unicode characters.Source
uri_normalized_iri/3NormalizedGlobalIRI is the normalized global IRI of URI.Source
uri_query_components/2Perform encoding and decoding of an URI query string.Source
uri_resolve/3Resolve a possibly local URI relative to Base.Source
url.pl  -- Analysing and constructing URLShow 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
uuid.pl  -- Universally Unique Identifier (UUID) LibraryShow source
uuid/1UUID is an atom representing a new UUID.Source
varnumbers.pl  -- Utilities for numbered termsShow source
max_var_number/3True when Max is the max of Start and the highest numbered $VAR(N) term.Source
numbervars/1Number variables in Term using $VAR(N).Source
varnumbers/2Inverse of numbervars/1.Source
varnumbers/3Inverse of numbervars/3.Source
varnumbers_names/3If Term is a term with numbered and named variables using the reserved term '$VAR'(X), Copy is a copy of Term where each '$VAR'(X) is consistently replaced by a fresh variable and Bindings is a list X = Var, relating the X terms with the variable it is mapped to.Source
vm.pl  -- SWI-Prolog Virtual Machine utilitiesShow source
vm_list/1Lists the definition of the predicates matching Spec to current_output.Source
wfs.pl  -- Well Founded Semantics interfaceShow source
answer_residual/2True when Goal resolves to a tabled predicate and Residual is the residual goal associated with an answer for Goal.Source
call_delays/2True when Goal is true with Delays.Source
call_residual_program/2Call Goal and return the full residual program as a list of Clauses.Source
delays_residual_program/2Given a delay as returned by call_delays/2, produce a set of clauses the represents the complete residual program responsible for these delays, The program contains at least one loop through tnot/1 and is either inconsistent or has multiple models according to the stable model semantics.Source
when.pl  -- Conditional coroutiningShow source
win_menu.pl  -- Console window menuShow source
writef.pl  -- Old-style formatted writeShow source
www_browser.pl  -- Open a URL in the users browserShow source
expand_url_path/2Expand URL specifications similar to absolute_file_name/3.Source
known_browser/2True if browser FileBaseName has a remote protocol compatible to Compatible.Source
www_open_url/1Open URL in running version of the users' browser or start a new browser.Source
xmldsig.pl  -- XML Digital signatureShow source
xmlenc.pl  -- XML encryption libraryShow source
xpath.pl  -- Select nodes in an XML DOMShow source
xsdp_types.pl  -- XML-Schema primitive typesShow source
xsdp_convert/3Convert the content model Content to an object of the given XSD type and return the Prolog value in Value.Source
xsdp_numeric_uri/2Table mapping all XML-Schema numeric URIs into the type they promote to.Source
xsdp_subtype_of/2True if Type is a (transitive) subtype of Super.Source
xsdp_type/1Test/generate the names for the XML schema primitive types.Source
xsdp_uri_type/2True if URI is the URI for the the XML-Schema primitive Type.Source
yall.pl  -- Lambda expressionsShow source
yaml.pl  -- Process YAML dataShow source
zip.pl  -- Access resource ZIP archivesShow 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.
zlib.pl  -- Zlib wrapper for SWI-PrologShow source
encoding_filter/3Act as plugin for library(http/http_open) for processing content with Content-encoding: gzip.Source
gzopen/3Open a file compatible with the gzip program.Source
gzopen/4Open a file compatible with the gzip program.Source