library

Prolog files

aggregate.pl  -- Aggregation operators on backtrackable predicatesShow source
ansi_term.pl  -- Print decorated text to ANSI consolesShow source
apply.plShow 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
arithmetic.pl  -- Extensible arithmeticShow source
assoc.pl  -- Binary associationsShow source
atom.pl  -- Operations on atomsShow source
backcomp.pl  -- Backward compatibilityShow source
base32.pl  -- Base32 encoding and decodingShow source
base64.pl  -- Base64 encoding and decodingShow source
broadcast.pl  -- Event serviceShow source
charsio.pl  -- I/O on Lists of Character CodesShow source
check.pl  -- Consistency checkingShow source
codesio.pl  -- I/O on Lists of Character CodesShow source
coinduction.pl  -- Co-Logic ProgrammingShow source
csv.plShow 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
debug.pl  -- Print debug messages and test assertionsShow source
dialect.pl  -- Support multiple Prolog dialectsShow source
dicts.pl  -- Dict utilitiesShow source
dif.pl  -- The dif/2 constraintShow source
edinburgh.pl  -- Some traditional Edinburgh predicatesShow source
edit.plShow source
edit/0Edit associated or script file.Source
edit/1Edit indicated object.Source
edit_command/2This predicate should specify the shell-command called to invoke the user's editor.Source
locate/2Locate object from the specified location.Source
locate/3Source
select_location/3Source
error.plShow source
fastrw.plShow 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
gensym.pl  -- Generate unique symbolsShow source
git.pl  -- Run GIT commandsShow source
heaps.pl  -- heaps/priority queuesShow source
increval.pl  -- Incremental dynamic predicate modificationShow source
intercept.pl  -- Intercept and signal interfaceShow source
iostream.pl  -- Utilities to deal with streamsShow source
lazy_lists.pl  -- Lazy list handlingShow source
listing.plShow source
listing/0Lists all predicates defined in the calling module.Source
listing/1List matching clauses.Source
listing/2List matching clauses.Source
portray_clause/1Portray `Clause' on the current output stream.Source
portray_clause/2Portray `Clause' on the current output stream.Source
portray_clause/3Portray `Clause' on the current output stream.Source
lists.pl  -- List ManipulationShow source
macros.plShow source
expand_macros/5Perform macro expansion on TermIn with layout PosIn to produce TermOut with layout PosOut.Source
include_macros/3Include macros from another module.Source
macro_position/1True when Position is the position of the macro.Source
main.pl  -- Provide entry point for scriptsShow source
make.pl  -- Reload modified source filesShow source
modules.pl  -- Module utility predicatesShow source
nb_set.pl  -- Non-backtrackable setsShow source
occurs.pl  -- Finding and counting sub-termsShow source
operators.pl  -- Manage operatorsShow source
option.pl  -- Option list processingShow source
optparse.plShow 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.plShow source
is_ordset/1True if Term is an ordered set.Source
list_to_ord_set/2Transform a list into an ordered set.Source
ord_add_element/3Insert an element into the set.Source
ord_del_element/3Delete an element from an ordered set.Source
ord_disjoint/2True if Set1 and Set2 have no common elements.Source
ord_empty/1True when List is the empty ordered set.Source
ord_intersect/2True if both ordered sets have a non-empty intersection.Source
ord_intersect/3Intersection holds the common elements of Set1 and Set2.Source
ord_intersection/2Intersection of a powerset.Source
ord_intersection/3Intersection holds the common elements of Set1 and Set2.Source
ord_intersection/4Intersection and difference between two ordered sets.Source
ord_memberchk/2True if Element is a member of OrdSet, compared using ==.Source
ord_selectchk/3Selectchk/3, specialised for ordered sets.Source
ord_seteq/2True if Set1 and Set2 have the same elements.Source
ord_subset/2Is true if all elements of Sub are in Super.Source
ord_subtract/3Diff is the set holding all elements of InOSet that are not in NotInOSet.Source
ord_symdiff/3Is true when Difference is the symmetric difference of Set1 and Set2.Source
ord_union/2True if Union is the union of all elements in the superset SetOfSets.Source
ord_union/3Union is the union of Set1 and Set2.Source
ord_union/4True iff ord_union(Set1, Set2, Union) and ord_subtract(Set2, Set1, New).Source
pairs.pl  -- Operations on key-value listsShow source
persistency.pl  -- Provide persistent dynamic predicatesShow source
pio.pl  -- Pure I/OShow source
portray_text.plShow source
portray_text/1Switch portraying on or off.Source
set_portray_text/2Set options for portraying.Source
set_portray_text/3Set options for portraying.Source
pprint.plShow source
print_term/2Pretty print a Prolog term.Source
predicate_options.pl  -- Access and analyse predicate optionsShow source
prolog_autoload.plShow source
autoload_all/0Force all necessary autoloading to be done now.Source
autoload_all/1Force all necessary autoloading to be done now.Source
prolog_breakpoints.plShow source
breakpoint_property/2True when Property is a property of the breakpoint Id.Source
delete_breakpoint/1Delete breakpoint with given Id.Source
set_breakpoint/4Put a breakpoint at the indicated source-location.Source
set_breakpoint/5Put a breakpoint at the indicated source-location.Source
set_breakpoint_condition/2Set a condition for of the breakpoint with given Id.Source
prolog_clause.plShow source
clause_info/4Fetches source information for the given clause.Source
clause_info/5Fetches source information for the given clause.Source
clause_name/2Provide a suitable description of the indicated clause.Source
initialization_layout/4Find term-layout of :- initialization directives.Source
make_varnames/5Create a Term varnames(...) where each argument contains the name of the variable at that offset.Source
open_source/2Hook into clause_info/5 that opens the stream holding the source for a specific clause.Source
predicate_name/2Describe a predicate as [Module:]Name/Arity.Source
unify_goal/5This hook is called to fix up source code manipulations that result from goal expansions.Source
unify_term/2Unify the two terms, where T2 is created by writing the term and reading it back in, but be aware that rounding problems may cause floating point numbers not to unify.Source
prolog_code.pl  -- Utilities for reasoning about codeShow source
prolog_codewalk.pl  -- Prolog code walkerShow source
prolog_colour.plShow source
prolog_colourise_query/3Colourise a query, to be executed in the context of SourceId.Source
prolog_colourise_stream/3Determine colour fragments for the data on Stream.Source
prolog_colourise_stream/4Determine colour fragments for the data on Stream.Source
prolog_colourise_term/4Colourise the next term on Stream.Source
syntax_colour/2True when a range classified Class must be coloured using Attributes.Source
vararg_goal_classification/3Multifile hookable classification for vararg predicates.Source
prolog_config.plShow source
prolog_config/2Get information on the configuration of the current Prolog system.Source
prolog_dump_runtime_variables/0Dump the current configuration in shell format.Source
prolog_coverage.pl  -- Coverage analysis toolShow source
prolog_debug.pl  -- User level debugging toolsShow source
prolog_format.pl  -- Analyse format specificationsShow source
prolog_jiti.plShow source
jiti_list/0List the JITI (Just In Time Indexes) of selected predicates.Source
jiti_list/1List the JITI (Just In Time Indexes) of selected predicates.Source
jiti_suggest_modes/0Propose modes for the predicates referenced by Spec.Source
jiti_suggest_modes/1Propose modes for the predicates referenced by Spec.Source
prolog_metainference.pl  -- Infer meta-predicate propertiesShow source
prolog_pack.pl  -- A package manager for PrologShow source
prolog_profile.plShow source
profile/1Run once(Goal) under the execution profiler.Source
profile/2Run once(Goal) under the execution profiler.Source
profile_data/1Gather all relevant data from profiler.Source
profile_procedure_data/2Collect data for Pred.Source
show_profile/1Display last collected profiling data.Source
prolog_source.plShow source
quasi_quotation_syntax/2True when the quasi quotation syntax Syntax can be loaded from Library.Source
xref_close_source/2Called by prolog_close_source/1 to close a source previously opened by the hook prolog:xref_open_source/2.Source
xref_open_source/2Hook to open an xref SourceID.Source
directory_source_files/3True when Files is a sorted list of Prolog source files in Dir.Source
file_alias_path/2True if file Alias points to Dir.Source
file_name_on_path/2True if OnPath a description of File based on the file search path.Source
load_quasi_quotation_syntax/2Import quasi quotation syntax Syntax from Path into the module specified by the first argument.Source
path_segments_atom/2Translate between a path represented as a/b/c and an atom representing the same path.Source
prolog_canonical_source/2Given a user-specification of a source, generate a unique and indexable identifier for it.Source
prolog_close_source/1Close a stream opened using prolog_open_source/2.Source
prolog_file_directives/3True when Directives is a list of directives that appear in the source file File.Source
prolog_open_source/2Open source with given canonical id (see prolog_canonical_source/2) and remove the #!Source
prolog_read_source_term/4Read a term from a Prolog source-file.Source
read_source_term_at_location/3Try to read a Prolog term form an arbitrary location inside a file.Source
requires_library/2known expansion hooks.Source
valid_term_position/2Check that a Term has an appropriate TermPos layout.Source
prolog_stack.pl  -- Examine the Prolog stackShow source
prolog_trace.pl  -- Print access to predicatesShow source
prolog_versions.plShow source
cmp_versions/3Compare to versions.Source
require_prolog_version/2Claim that the running Prolog version is at least version Required and provides the requested Features.Source
require_version/3Require Component to have version CmpRequired, while Component is know to have version Available.Source
prolog_xref.pl  -- Prolog cross-referencer data collectionShow source
pure_input.pl  -- Pure Input from files and streamsShow source
qsave.plShow source
arch_shlib/3This is a user defined hook called by qsave_program/2.Source
qsave_program/1Make a saved state in file `File'.Source
qsave_program/2Make a saved state in file `File'.Source
qsave_toplevel/0Called to handle `-c file` compilaton.Source
quasi_quotations.plShow 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.plShow 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_numlist/4Unify List with an ascending list of integers between L and U (inclusive).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
random_subseq/3Selects a random subsequence Subseq of List, with Complement containing all elements of List that were not selected.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
readutil.pl  -- Read utilitiesShow source
record.pl  -- Access compound arguments by nameShow source
sandbox.plShow source
settings.pl  -- Setting managementShow source
shell.plShow source
cd/0Change working directory.Source
cd/1Change working directory.Source
dirs/0Manage the directory stack:.Source
file_style/2True when File should be listed as a terminal hyperlink.Source
ls/0Listing similar to Unix =ls -F=, flagging directories with =/=.Source
ls/1Listing similar to Unix =ls -F=, flagging directories with =/=.Source
mv/2Move (Rename) a file.Source
popd/0Manage the directory stack:.Source
pushd/0Manage the directory stack:.Source
pushd/1Manage the directory stack:.Source
pwd/0Print current working directory.Source
rm/1Remove (unlink) a file.Source
shell/0Execute an interactive shell.Source
shlib.pl  -- Utility library for loading foreign objects (DLLs, shared objects)Show source
solution_sequences.pl  -- Modify solution sequencesShow source
sort.plShow source
statistics.pl  -- Get information about resource usageShow source
streams.plShow source
with_output_to/3Run Goal and once/1 while capturing all output to all streams (current_output, user_output and user_error) in the string Output.Source
strings.plShow 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
system.pl  -- System utilitiesShow source
tables.plShow 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
terms.pl  -- Term manipulationShow source
thread.pl  -- High level thread primitivesShow source
thread_pool.pl  -- Resource bounded thread managementShow source
threadutil.pl  -- Interactive thread utilitiesShow source
tty.pl  -- Terminal operationsShow source
ugraphs.pl  -- Graph manipulation libraryShow source
url.pl  -- Analysing and constructing URLShow source
utf8.plShow source
utf8_codes/3DCG translating between a Unicode code-list and its UTF-8 encoded byte-string.Source
varnumbers.pl  -- Utilities for numbered termsShow source
wfs.pl  -- Well Founded Semantics interfaceShow source
when.pl  -- Conditional coroutiningShow source
writef.pl  -- Old-style formatted writeShow source
www_browser.pl  -- Open a URL in the users browserShow source
yall.pl  -- Lambda expressionsShow source
zip.pl  -- Access resource ZIP archivesShow source