library

Prolog files

aggregate.pl  -- Aggregation operators on backtrackable predicatesShow source
ansi_term.pl  -- Print decorated text to ANSI consolesShow source
apply.pl  -- Apply predicates on a listShow source
apply_macros.pl  -- Goal expansion rules to avoid meta-callingShow source
arithmetic.pl  -- Extensible arithmeticShow source
assoc.pl  -- Binary associationsShow source
atom.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.pl  -- Process CSV (Comma-Separated Values) dataShow source
ctypes.pl  -- Character code classificationShow source
is_digit/3Succeeds if `C' is a digit using `Base' as base and `Weight' represents its value.Source
is_paren/2True if Open is the open-parenthesis of Close.Source
to_lower/2Downcase a character code.Source
to_upper/2Upcase a character code.Source
upper_lower/2True when U is the character code of an uppercase character and L is the character code of the corresponding lowercase character.Source
date.plShow source
date_time_value/3Extract values from a date-time structure.Source
day_of_the_week/2Computes the day of the week for a given date.Source
day_of_the_year/2Computes the day of the year for a given date.Source
parse_time/2Stamp is a timestamp created from parsing Text using the representation Format.Source
parse_time/3Stamp is a timestamp created from parsing Text using the representation Format.Source
debug.pl  -- Print debug messages and test assertionsShow source
dialect.pl  -- Support multiple Prolog dialectsShow source
dicts.pl  -- Dict utilitiesShow source
dif.pl  -- The dif/2 constraintShow source
edinburgh.pl  -- Some traditional Edinburgh predicatesShow source
edit.pl  -- Editor interfaceShow source
error.plShow source
exceptions.pl  -- Exception classificationShow 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
can_open_file/2Succeeds if the user has access to `File' in mode `Mode'.Source
chdir/1Change Working Directory.Source
gensym.pl  -- Generate unique symbolsShow source
git.pl  -- Run GIT commandsShow source
heaps.pl  -- heaps/priority queuesShow source
increval.plShow source
incr_directly_depends/2True if Goal1 depends on Goal2 in the IDG.Source
incr_invalid_subgoals/1List is a sorted list (set) of the incremental subgoals that are currently invalid.Source
incr_invalidate_call/1This is the XSB name, but the manual says incr_invalidate_calls/1 and the comment with the code suggests this is misnamed.Source
incr_invalidate_calls/1Invalidate all tables for subgoals of Goal as well as tables that are affected by these.Source
incr_is_invalid/1True when Subgoal's table is marked as invalid.Source
incr_propagate_calls/1Activate the monotonic answer propagation similarly to when a new fact is asserted for a monotonic dynamic predicate.Source
incr_table_update/0Updated all invalid tables.Source
incr_trans_depends/2True for each pair in the transitive closure of incr_directly_depends(G1, G2).Source
is_incremental_subgoal/1This predicate non-deterministically unifies Subgoal with incrementally tabled subgoals that are currently table entries.Source
intercept.pl  -- Intercept and signal interfaceShow source
iostream.pl  -- Utilities to deal with streamsShow source
lazy_lists.pl  -- Lazy list handlingShow source
listing.pl  -- List programs and pretty print clausesShow source
lists.pl  -- List ManipulationShow source
macros.pl  -- Macro expansionShow 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.pl  -- Ordered set manipulationShow source
oset.pl  -- Ordered set manipulationShow source
pairs.pl  -- Operations on key-value listsShow source
persistency.pl  -- Provide persistent dynamic predicatesShow source
pio.pl  -- Pure I/OShow source
portray_text.pl  -- Portray textShow source
pprint.pl  -- Pretty Print Prolog termsShow source
predicate_options.pl  -- Access and analyse predicate optionsShow source
prolog_autoload.pl  -- Autoload all dependenciesShow source
prolog_breakpoints.pl  -- Manage Prolog break-pointsShow source
prolog_clause.plShow source
prolog_code.plShow source
body_term_calls/2True when BodyTerm calls Goal.Source
comma_list/2True if CommaList is a nested term over the ','/2 (';'/2) functor and List is a list expressing the elements of the conjunction.Source
extend_goal/3Extend the possibly qualified Goal0 with additional arguments from Extra.Source
head_name_arity/3Similar to functor/3, but deals with SWI-Prolog's zero-argument callable terms and avoids creating a non-callable term if Name is not an atom and Arity is zero.Source
is_control_goal/1True if Goal is a compiled Prolog control structure.Source
is_predicate_indicator/1True when Term is a predicate indicator.Source
mkconj/3Create a conjunction or disjunction from two terms.Source
mkdisj/3Create a conjunction or disjunction from two terms.Source
most_general_goal/2General is the most general version of Goal.Source
pi_head/2Translate between a PredicateIndicator and a Goal term.Source
predicate_label/2Create a human-readable label for the given predicate indicator.Source
predicate_sort_key/2Key is the (module-free) name of the predicate for sorting purposes.Source
semicolon_list/2True if CommaList is a nested term over the ','/2 (';'/2) functor and List is a list expressing the elements of the conjunction.Source
prolog_codewalk.plShow 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
subterm_pos/5True when SubTerm is a sub term of Term, compared using Cmp, TermPosition describes the term layout of Term and SubTermPos describes the term layout of SubTerm.Source
prolog_colour.pl  -- Prolog syntax colouring support.Show source
prolog_coverage.pl  -- Coverage analysis toolShow 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.pl  -- Examine Prolog source-filesShow source
prolog_stack.pl  -- Examine the Prolog stackShow source
prolog_trace.pl  -- Print access to predicatesShow source
prolog_versions.pl  -- Demand specific (Prolog) versionsShow source
prolog_wrap.plShow source
current_predicate_wrapper/4True if Head is wrapped with Body.Source
unwrap_predicate/2Remove the outermost wrapper whose name unifies with Name.
wrap_predicate/4Wrap the predicate referenced by Head using Body.Source
prolog_xref.pl  -- Prolog cross-referencer data collectionShow source
pure_input.pl  -- Pure Input from files and streamsShow source
quasi_quotations.pl  -- Define Quasi Quotation syntaxShow source
quintus.plShow source
abs/2Unify `Absolute' with the absolute value of `Number'.Source
acos/2Math library predicates.Source
asin/2Math library predicates.Source
atan/2Math library predicates.Source
atan2/3Math library predicates.Source
atom_char/2Same as ISO char_code/2.Source
ceiling/2Math library predicates.Source
compile/1Compile files.Source
cos/2Math library predicates.Source
current_stream/3SICStus/Quintus and backward compatible predicate.Source
date/1Get current date as date(Y,M,D).Source
floor/2Math library predicates.Source
genarg/3Generalised version of ISO arg/3.Source
log/2Math library predicates.Source
log10/2Math library predicates.Source
midstring/3Too difficult to explain.Source
midstring/4Too difficult to explain.Source
midstring/5Too difficult to explain.Source
midstring/6Too difficult to explain.Source
no_style_check/1Same as SWI-Prolog style_check(-Style).Source
on_exception/3Source
otherwise/0For (A -> B ; otherwise -> C).Source
pow/3Math library predicates.Source
prolog_flag/2Same as ISO current_prolog_flag/2.Source
raise_exception/1Quintus compatible exception handling.Source
round/2Math library predicates.Source
sign/2Math library predicates.Source
simple/1Term is atomic or a variable.Source
sin/2Math library predicates.Source
skip_line/0Skip the rest of the current line (on Stream).Source
skip_line/1Skip the rest of the current line (on Stream).Source
sqrt/2Math library predicates.Source
stream_position/3True when Old is the current position in Stream and the stream has been repositioned to New.Source
tan/2Math library predicates.Source
unix/1This predicate provides a partial emulation of the corresponding Quintus predicate.Source
random.pl  -- Random numbersShow source
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.pl  -- Elementary shell commandsShow source
shlib.pl  -- Utility library for loading foreign objects (DLLs, shared objects)Show source
solution_sequences.pl  -- Modify solution sequencesShow source
sort.plShow source
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
statistics.pl  -- Get information about resource usageShow 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.pl  -- XSB interface to tablesShow source
terms.pl  -- Term manipulationShow source
thread.plShow source
call_in_thread/2Run Goal as an interrupt in the context of Thread.Source
concurrent/3Run Goals in parallel using N threads.Source
concurrent_and/2Concurrent version of (Generator,Test).Source
concurrent_and/3Concurrent version of (Generator,Test).Source
concurrent_forall/2True when Action is true for all solutions of Generate.Source
concurrent_forall/3True when Action is true for all solutions of Generate.Source
concurrent_maplist/2Concurrent version of maplist/2.Source
concurrent_maplist/3Concurrent version of maplist/2.Source
concurrent_maplist/4Concurrent version of maplist/2.Source
first_solution/3Try alternative solvers concurrently, returning the first answer.Source
thread_pool.pl  -- Resource bounded thread managementShow source
threadutil.pl  -- Interactive thread utilitiesShow source
ugraphs.plShow source
add_edges/3Unify NewGraph with a new graph obtained by adding the list of Edges to Graph.Source
add_vertices/3Unify NewGraph with a new graph obtained by adding the list of Vertices to Graph.Source
complement/2UGraphOut is a ugraph with an edge between all vertices that are not connected in UGraphIn and all edges from UGraphIn removed.Source
compose/3Compose NewGraph by connecting the drains of LeftGraph to the sources of RightGraph.Source
connect_ugraph/3Adds Start as an additional vertex that is connected to all vertices in UGraphIn.Source
del_edges/3Unify NewGraph with a new graph obtained by removing the list of Edges from Graph.Source
del_vertices/3Unify NewGraph with a new graph obtained by deleting the list of Vertices and all the edges that start from or go to a vertex in Vertices to the Graph.Source
edges/2Unify Edges with all edges appearing in Graph.Source
neighbors/3Neigbours is a sorted list of the neighbours of Vertex in Graph.Source
neighbours/3Neigbours is a sorted list of the neighbours of Vertex in Graph.Source
reachable/3True when Vertices is an ordered set of vertices reachable in UGraph, including Vertex.Source
top_sort/2Sort vertices topologically.Source
transitive_closure/2Generate the graph Closure as the transitive closure of Graph.Source
transpose_ugraph/2Unify NewGraph with a new graph obtained from Graph by replacing all edges of the form V1-V2 by edges of the form V2-V1.Source
ugraph_layers/2Sort vertices topologically.Source
ugraph_union/3NewGraph is the union of Graph1 and Graph2.Source
vertices/2Unify Vertices with all vertices appearing in Graph.Source
vertices_edges_to_ugraph/3Create a UGraph from Vertices and Edges.Source
url.pl  -- Analysing and constructing URLShow source
utf8.pl  -- UTF-8 encoding/decoding on lists of character codes.Show source
varnumbers.pl  -- Utilities for numbered termsShow source
wfs.pl  -- Well Founded Semantics interfaceShow source
when.pl  -- Conditional coroutiningShow source
writef.plShow source
swritef/2Use writef/1 or writef/2 and write the result to a string.Source
swritef/3Use writef/1 or writef/2 and write the result to a string.Source
writef/1Formatted write to the current_output.Source
writef/2Formatted write to the current_output.Source
www_browser.pl  -- Open a URL in the users browserShow source
yall.pl  -- Lambda expressionsShow source