aggregate.pl -- Aggregation operators on backtrackable predicates |
ansi_term.pl -- Print decorated text to ANSI consoles |
apply.pl -- Apply predicates on a list |
apply_macros.pl -- Goal expansion rules to avoid meta-calling |
arithmetic.pl -- Extensible arithmetic |
assoc.pl |
| assoc_to_keys/2 | True if Keys is the list of keys in Assoc. |  |
| assoc_to_list/2 | Translate Assoc to a list Pairs of Key-Value pairs. |  |
| assoc_to_values/2 | True if Values is the list of values in Assoc. |  |
| del_assoc/4 | True if Key-Value is in Assoc0. |  |
| del_max_assoc/4 | True if Key-Value is in Assoc0 and Key is the greatest key. |  |
| del_min_assoc/4 | True if Key-Value is in Assoc0 and Key is the smallest key. |  |
| empty_assoc/1 | Is true if Assoc is the empty association list. |  |
| gen_assoc/3 | True if Key-Value is an association in Assoc. |  |
| get_assoc/3 | True if Key-Value is an association in Assoc. |  |
| get_assoc/5 | True if Key-Val0 is in Assoc0 and Key-Val is in Assoc. |  |
| is_assoc/1 | True if Assoc is an association list. |  |
| list_to_assoc/2 | Create an association from a list Pairs of Key-Value pairs. |  |
| map_assoc/2 | True if Pred(Value) is true for all values in Assoc. |  |
| map_assoc/3 | Map corresponding values. |  |
| max_assoc/3 | True if Key-Value is in Assoc and Key is the largest key. |  |
| min_assoc/3 | True if Key-Value is in assoc and Key is the smallest key. |  |
| ord_list_to_assoc/2 | Assoc is created from an ordered list Pairs of Key-Value pairs. |  |
| put_assoc/4 | Assoc is Assoc0, except that Key is associated with Value. |  |
atom.pl -- Operations on atoms |
backcomp.pl -- Backward compatibility |
base32.pl -- Base32 encoding and decoding |
base64.pl -- Base64 encoding and decoding |
broadcast.pl -- Event service |
charsio.pl -- I/O on Lists of Character Codes |
check.pl -- Consistency checking |
codesio.pl |
| format_to_codes/3 | Use format/2 to write to a list of character codes. |  |
| format_to_codes/4 | Use format/2 to write to a difference list of character codes. |  |
| open_codes_stream/2 | Open Codes as an input stream. |  |
| read_from_codes/2 | Read Codes into Term. |  |
| read_term_from_codes/3 | Read Codes into Term. |  |
| with_output_to_codes/2 | Run Goal with as once/1. |  |
| with_output_to_codes/3 | Run Goal with as once/1. |  |
| with_output_to_codes/4 | As with_output_to_codes/3, but Stream is unified with the temporary stream. |  |
| write_term_to_codes/3 | True when Codes is a string that matches the output of write_term/3 using Options. |  |
| write_term_to_codes/4 | True when Codes\Tail is a difference list containing the character codes that matches the output of write_term/3 using Options. |  |
| write_to_codes/2 | Codes is a list of character codes produced by write/1 on Term. |  |
| write_to_codes/3 | Codes is a difference-list of character codes produced by write/1 on Term. |  |
coinduction.pl |
| coinductive/1 | The declaration :- coinductive name/arity, ... defines predicates as coinductive. |  |
csv.pl |
| csv/3 | Prolog DCG to `read/write' CSV data. |  |
| csv/4 | Prolog DCG to `read/write' CSV data. |  |
| csv_options/2 | Compiled is the compiled representation of the CSV processing options as they may be passed into csv//2, etc. |  |
| csv_read_file/2 | Read a CSV file into a list of rows. |  |
| csv_read_file/3 | Read a CSV file into a list of rows. |  |
| csv_read_file_row/3 | True when Row is a row in File. |  |
| csv_read_row/3 | Read the next CSV record from Stream and unify the result with Row. |  |
| csv_read_stream/3 | Read CSV data from Stream. |  |
| csv_write_file/2 | Write a list of Prolog terms to a CSV file. |  |
| csv_write_file/3 | Write a list of Prolog terms to a CSV file. |  |
| csv_write_stream/3 | Write the rows in Data to Stream. |  |
ctypes.pl -- Character code classification |
date.pl -- Process dates and times |
debug.pl |
| assertion_failed/2 | This hook is called if the Goal of assertion/1 fails. | |
| debug_print_hook/3 | Hook called by debug/3. |  |
| assertion/1 | Acts similar to C assert() macro. |  |
| debug/1 | Add/remove a topic from being printed. |  |
| debug/3 | Format a message if debug topic is enabled. |  |
| debug_message_context/1 | Specify additional context for debug messages. |  |
| debugging/1 | Examine debug topics. |  |
| debugging/2 | Examine debug topics. |  |
| list_debug_topics/0 | List currently known topics for debug/3 and their setting. |  |
| list_debug_topics/1 | List currently known topics for debug/3 and their setting. |  |
| nodebug/1 | Add/remove a topic from being printed. |  |
dialect.pl |
| expects_dialect/1 | Tell Prolog all subsequent code to the end of the file or the next :- expects_dialect/1 directive is written for the indicated Dialect. |  |
| source_exports/2 | True if Source exports Export. |  |
dicts.pl |
| dict_fill/4 | Implementation for the dicts_to_same_keys/3 OnEmpty closure that fills new cells with a copy of ValueIn. |  |
| dict_keys/2 | True when Keys is an ordered set of the keys appearing in Dict. |  |
| dict_size/2 | True when KeyCount is the number of keys in Dict. |  |
| dicts_join/3 | Join dicts in Dicts that have the same value for Key, provided they do not have conflicting values on other keys. |  |
| dicts_join/4 | Join two lists of dicts (Dicts1 and Dicts2) on Key. |  |
| dicts_same_keys/2 | True if List is a list of dicts that all have the same keys and Keys is an ordered set of these keys. |  |
| dicts_same_tag/2 | True when List is a list of dicts that all have the tag Tag. |  |
| dicts_slice/3 | DictsOut is a list of Dicts only containing values for Keys. |  |
| dicts_to_compounds/4 | True 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. |  |
| dicts_to_same_keys/3 | DictsOut is a copy of DictsIn, where each dict contains all keys appearing in all dicts of DictsIn. |  |
| mapdict/2 | True when all dicts have the same set of keys and call(Goal, Key, V1, ...) is true for all keys in the dicts. |  |
| mapdict/3 | True when all dicts have the same set of keys and call(Goal, Key, V1, ...) is true for all keys in the dicts. |  |
| mapdict/4 | True when all dicts have the same set of keys and call(Goal, Key, V1, ...) is true for all keys in the dicts. |  |
dif.pl |
| dif/2 | Constraint that expresses that Term1 and Term2 never become identical (==/2). |  |
edinburgh.pl |
| debug/0 | Switch on/off debug mode. |  |
| display/1 | Write a term, ignoring operators and special syntax constructs such as brace terms ({a}) and lists ([a,b,c]). |  |
| display/2 | Write a term, ignoring operators and special syntax constructs such as brace terms ({a}) and lists ([a,b,c]). |  |
| fileerrors/2 | Query and change the fileerrors flag. |  |
| nodebug/0 | Switch on/off debug mode. |  |
| reconsult/1 | Load source file(s), wiping the old content first. |  |
| unknown/2 | Edinburgh Prolog predicate for dealing dealing with undefined procedures. |  |
edit.pl -- Editor interface |
error.pl |
exceptions.pl -- Exception classification |
explain.pl |
| explain/1 | Give an explanation on Term. |  |
| explain/2 | True when Explanation is an explanation of Term. |  |
fastrw.pl |
| fast_read/1 | The next term is read from current standard input and is unified with Term. |  |
| fast_write/1 | Output Term in a way that fast_read/1 and fast_read/2 will be able to read it back. |  |
| fast_write_to_string/3 | Perform a fast-write to the difference-slist String\Tail. |  |
gensym.pl |
| gensym/2 | Generate <Base>1, <Base>2, etc atoms on each subsequent call. |  |
| reset_gensym/0 | Reset gensym for all registered keys. |  |
| reset_gensym/1 | Restart generation of identifiers from Base at <Base>1. |  |
git.pl -- Run GIT commands |
hashtable.pl |
| ht_del/3 | Delete Key-Value from HT. |  |
| ht_gen/3 | True when Key-Value is in HT. |  |
| ht_get/3 | True when Key is in HT and associated with Value. |  |
| ht_is_hashtable/1 | True when HT is a hash table. |  |
| ht_keys/2 | True when Keys is an ordered set of all keys in HT. |  |
| ht_new/1 | Create a new hash table. |  |
| ht_pairs/2 | True when Pairs and HT represent the same association. |  |
| ht_put/3 | Add a Key-Value to HT. |  |
| ht_put/5 | Add Key-Value to HT. |  |
| ht_put_new/3 | As ht_put/3, but fails if Key is already in HT instead of updating the associated value. |  |
| ht_size/2 | True when Size is the number of key-value pairs in HT. |  |
| ht_update/4 | True when HT holds Key-Old before and Key-New after this call. |  |
heaps.pl -- heaps/priority queues |
help.pl |
| apropos/1 | Print objects from the manual whose name or summary match with Query. |  |
| help/0 | Show help for What. |  |
| help/1 | Show help for What. |  |
| help_text/2 | When Predicate is a term of the form Name/Arity for which documentation exists, HelpText is the documentation in textual format (parsed from the HTML help). |  |
| show_html_hook/1 | Hook called to display the extracted HTML document. |  |
increval.pl |
| incr_directly_depends/2 | True if Goal1 depends on Goal2 in the IDG. |  |
| incr_invalid_subgoals/1 | List is a sorted list (set) of the incremental subgoals that are currently invalid. |  |
| incr_invalidate_call/1 | This is the XSB name, but the manual says incr_invalidate_calls/1 and the comment with the code suggests this is misnamed. |  |
| incr_invalidate_calls/1 | Invalidate all tables for subgoals of Goal as well as tables that are affected by these. |  |
| incr_is_invalid/1 | True when Subgoal's table is marked as invalid. |  |
| incr_propagate_calls/1 | Activate the monotonic answer propagation similarly to when a new fact is asserted for a monotonic dynamic predicate. |  |
| incr_table_update/0 | Updated all invalid tables. |  |
| incr_trans_depends/2 | True for each pair in the transitive closure of incr_directly_depends(G1, G2). |  |
| is_incremental_subgoal/1 | This predicate non-deterministically unifies Subgoal with incrementally tabled subgoals that are currently table entries. |  |
intercept.pl -- Intercept and signal interface |
iostream.pl -- Utilities to deal with streams |
lazy_lists.pl -- Lazy list handling |
listing.pl -- List programs and pretty print clauses |
lists.pl -- List Manipulation |
main.pl -- Provide entry point for scripts |
make.pl -- Reload modified source files |
modules.pl -- Module utility predicates |
nb_set.pl |
| add_nb_set/2 | Insert Key into the set. |  |
| add_nb_set/3 | Insert Key into the set. |  |
| empty_nb_set/1 | Create an empty non-backtrackable set. |  |
| gen_nb_set/2 | Enumerate the members of a set in the standard order of terms. |  |
| nb_set_to_list/2 | Get the elements of a an nb_set. |  |
| size_nb_set/2 | Unify Size with the number of elements in the set. |  |
occurs.pl -- Finding and counting sub-terms |
operators.pl |
| pop_operators/0 | Revert all changes to the operator table realised since the last push_operators/1. |  |
| pop_operators/1 | Reset operators as pushed by push_operators/2. |  |
| push_op/3 | As op/3, but this call must appear between push_operators/1 and pop_operators/0. |  |
| push_operators/1 | Installs the operators from New, where New is a list of op(Prec, Type, :Name). |  |
| push_operators/2 | Installs the operators from New, where New is a list of op(Prec, Type, :Name). |  |
option.pl -- Option list processing |
optparse.pl -- command line parsing |
ordsets.pl -- Ordered set manipulation |
pairs.pl -- Operations on key-value lists |
persistency.pl -- Provide persistent dynamic predicates |
pio.pl -- Pure I/O |
portray_text.pl -- Portray text |
pprint.pl -- Pretty Print Prolog terms |
predicate_options.pl -- Access and analyse predicate options |
prolog_autoload.pl |
| autoload_all/0 | Force all necessary autoloading to be done now. |  |
| autoload_all/1 | Force all necessary autoloading to be done now. |  |
prolog_breakpoints.pl -- Manage Prolog break-points |
prolog_clause.pl |
prolog_code.pl -- Utilities for reasoning about code |
prolog_codewalk.pl -- Prolog code walker |
prolog_colour.pl -- Prolog syntax colouring support. |
prolog_config.pl |
| prolog_config/2 | Get information on the configuration of the current Prolog system. |  |
| prolog_dump_runtime_variables/0 | Dump the current configuration in shell format. |  |
prolog_debug.pl -- User level debugging tools |
prolog_format.pl -- Analyse format specifications |
prolog_jiti.pl |
| jiti_list/0 | List the JITI (Just In Time Indexes) of selected predicates. |  |
| jiti_list/1 | List the JITI (Just In Time Indexes) of selected predicates. |  |
| jiti_suggest_modes/0 | Propose modes for the predicates referenced by Spec. |  |
| jiti_suggest_modes/1 | Propose modes for the predicates referenced by Spec. |  |
prolog_pack.pl -- A package manager for Prolog |
prolog_profile.pl |
| profile/1 | Run once(Goal) under the execution profiler. |  |
| profile/2 | Run once(Goal) under the execution profiler. |  |
| profile_data/1 | Gather all relevant data from profiler. |  |
| profile_procedure_data/2 | Collect data for Pred. |  |
| show_profile/1 | Display last collected profiling data. |  |
prolog_source.pl |
| quasi_quotation_syntax/2 | True when the quasi quotation syntax Syntax can be loaded from Library. |  |
| xref_close_source/2 | Called by prolog_close_source/1 to close a source previously opened by the hook prolog:xref_open_source/2. |  |
| xref_open_source/2 | Hook to open an xref SourceID. |  |
| directory_source_files/3 | True when Files is a sorted list of Prolog source files in Dir. |  |
| file_alias_path/2 | True if file Alias points to Dir. |  |
| file_name_on_path/2 | True if OnPath a description of File based on the file search path. |  |
| load_quasi_quotation_syntax/2 | Import quasi quotation syntax Syntax from Path into the module specified by the first argument. |  |
| path_segments_atom/2 | Translate between a path represented as a/b/c and an atom representing the same path. |  |
| prolog_canonical_source/2 | Given a user-specification of a source, generate a unique and indexable identifier for it. |  |
| prolog_close_source/1 | Close a stream opened using prolog_open_source/2. |  |
| prolog_file_directives/3 | True when Directives is a list of directives that appear in the source file File. |  |
| prolog_open_source/2 | Open source with given canonical id (see prolog_canonical_source/2) and remove the #! |  |
| prolog_read_source_term/4 | Read a term from a Prolog source-file. |  |
| read_source_term_at_location/3 | Try to read a Prolog term form an arbitrary location inside a file. |  |
| requires_library/2 | known expansion hooks. |  |
| valid_term_position/2 | Check that a Term has an appropriate TermPos layout. |  |
prolog_stack.pl |
| backtrace/1 | Get and print a stacktrace to the user_error stream. |  |
| get_prolog_backtrace/2 | Obtain a backtrace from the current location. |  |
| get_prolog_backtrace/3 | Obtain a backtrace from the current location. |  |
| print_last_choicepoint/0 | Print details on the last open choice point. |  |
| print_last_choicepoint/2 | |  |
| print_prolog_backtrace/2 | Print a stacktrace in human readable form to Stream. |  |
| print_prolog_backtrace/3 | Print a stacktrace in human readable form to Stream. |  |
| prolog_stack_frame_property/2 | True when Property is a property of Frame. |  |
| stack_guard/1 | Dynamic multifile hook that is normally not defined. |  |
| stack_guard/1 | Dynamic multifile predicate. |  |
prolog_trace.pl -- Print access to predicates |
prolog_versions.pl -- Demand specific (Prolog) versions |
prolog_xref.pl |
| called_by/2 | If this succeeds, the cross-referencer assumes Goal may call any of the goals in ListOfCalled. |  |
| called_by/4 | True when Called is a list of callable terms called from Goal, handled by the predicate Module:Goal and executed in the context of the module Context. |  |
| hook/1 | True if Goal is a hook that is called spontaneously (e.g., from foreign code). |  |
| meta_goal/2 | Define meta-predicates. |  |
| xref_called/3 | True when By is called from Called in Source. |  |
| xref_called/4 | True when By is called from Called in Source. |  |
| xref_called/5 | True when By is called from Called in Source. |  |
| xref_clean/1 | Reset the database for the given source. |  |
| xref_comment/3 | Is true when Source has a section comment with Title and Comment. |  |
| xref_comment/4 | Is true when Head in Source has the given PlDoc comment. |  |
| xref_current_source/1 | Check what sources have been analysed. |  |
| xref_defined/3 | Test if Goal is accessible in Source. |  |
| xref_definition_line/2 | If the 3th argument of xref_defined contains line info, return this in Line. |  |
| xref_done/2 | Cross-reference executed at Time. |  |
| xref_exported/2 | True when Source exports Head. |  |
| xref_hook/1 | Definition of known hooks. |  |
| xref_meta/2 | True when Called is a list of terms called from Head. |  |
| xref_meta/3 | True when Head calls Called in Source. |  |
| xref_mode/3 | Is true when Source provides a predicate with Mode and determinism. |  |
| xref_module/2 | True if Module is defined in Source. |  |
| xref_op/2 | Give the operators active inside the module. |  |
| xref_option/2 | True when Source was processed using Option. |  |
| xref_prolog_flag/4 | True when Flag is set to Value at Line in Source. |  |
| xref_public_list/3 | Find meta-information about File. |  |
| xref_public_list/4 | Find meta-information about File. |  |
| xref_public_list/6 | Find meta-information about File. |  |
| xref_public_list/7 | Find meta-information about File. |  |
| xref_source/1 | Generate the cross-reference data for Source if not already done and the source is not modified. |  |
| xref_source/2 | Generate the cross-reference data for Source if not already done and the source is not modified. |  |
| xref_source_file/3 | Find named source file from Spec, relative to Src. |  |
| xref_source_file/4 | Find named source file from Spec, relative to Src. |  |
| xref_uses_file/3 | True when Source tries to load a file using Spec. |  |
pure_input.pl -- Pure Input from files and streams |
qsave.pl |
| arch_shlib/3 | This is a user defined hook called by qsave_program/2. |  |
| qsave_program/1 | Make a saved state in file `File'. |  |
| qsave_program/2 | Make a saved state in file `File'. |  |
| qsave_toplevel/0 | Called to handle `-c file` compilaton. |  |
quasi_quotations.pl -- Define Quasi Quotation syntax |
quintus.pl -- Quintus compatibility |
random.pl |
| getrand/1 | Query/set the state of the random generator. |  |
| maybe/0 | Succeed/fail with equal probability (variant of maybe/1). |  |
| maybe/1 | Succeed with probability P, fail with probability 1-P. |  |
| maybe/2 | Succeed with probability K/N (variant of maybe/1). |  |
| random/1 | Binds R to a new random float in the open interval (0.0,1.0). |  |
| random/3 | Generate a random integer or float in a range. |  |
| random_between/3 | Binds R to a random integer in [L,U] (i.e., including both L and U). |  |
| random_member/2 | X is a random member of List. |  |
| random_numlist/4 | Unify List with an ascending list of integers between L and U (inclusive). |  |
| random_perm2/4 | Does X=A,Y=B or X=B,Y=A with equal probability. |  |
| random_permutation/2 | Permutation is a random permutation of List. |  |
| random_select/3 | Randomly select or insert an element. |  |
| random_subseq/3 | Selects a random subsequence Subseq of List, with Complement containing all elements of List that were not selected. |  |
| randseq/3 | S is a list of K unique random integers in the range 1..N. |  |
| randset/3 | S is a sorted list of K unique random integers in the range 1..N. |  |
| setrand/1 | Query/set the state of the random generator. |  |
rbtrees.pl -- Red black trees |
readutil.pl -- Read utilities |
record.pl -- Access compound arguments by name |
sandbox.pl |
settings.pl -- Setting management |
shlib.pl |
| compat_arch/2 | User definable hook to establish if Arch1 is compatible with Arch2 when running a shared object. |  |
| current_foreign_library/2 | Query currently loaded shared libraries. |  |
| load_foreign_library/1 | Load a shared object or DLL. |  |
| load_foreign_library/2 | Load a shared object or DLL. |  |
| reload_foreign_libraries/0 | Reload all foreign libraries loaded (after restore of a state created using qsave_program/2. |  |
| unload_foreign_library/1 | Unload a shared object or DLL. |  |
| unload_foreign_library/2 | Unload a shared object or DLL. |  |
| use_foreign_library/1 | Load and install a foreign library as load_foreign_library/1,2 and register the installation using initialization/2 with the option now. |  |
| use_foreign_library/2 | Load and install a foreign library as load_foreign_library/1,2 and register the installation using initialization/2 with the option now. |  |
solution_sequences.pl -- Modify solution sequences |
sort.pl |
statistics.pl -- Get information about resource usage |
streams.pl -- Manage Prolog streams |
strings.pl -- String utilities |
system.pl -- System utilities |
tables.pl -- XSB interface to tables |
terms.pl -- Term manipulation |
thread.pl -- High level thread primitives |
thread_pool.pl -- Resource bounded thread management |
threadutil.pl -- Interactive thread utilities |
ugraphs.pl |
| add_edges/3 | Unify NewGraph with a new graph obtained by adding the list of Edges to Graph. |  |
| add_vertices/3 | Unify NewGraph with a new graph obtained by adding the list of Vertices to Graph. |  |
| complement/2 | UGraphOut is a ugraph with an edge between all vertices that are not connected in UGraphIn and all edges from UGraphIn removed. |  |
| compose/3 | Compose NewGraph by connecting the drains of LeftGraph to the sources of RightGraph. |  |
| connect_ugraph/3 | Adds Start as an additional vertex that is connected to all vertices in UGraphIn. |  |
| del_edges/3 | Unify NewGraph with a new graph obtained by removing the list of Edges from Graph. |  |
| del_vertices/3 | Unify 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. |  |
| edges/2 | Unify Edges with all edges appearing in Graph. |  |
| neighbors/3 | Neigbours is a sorted list of the neighbours of Vertex in Graph. |  |
| neighbours/3 | Neigbours is a sorted list of the neighbours of Vertex in Graph. |  |
| reachable/3 | True when Vertices is an ordered set of vertices reachable in UGraph, including Vertex. |  |
| top_sort/2 | Sort vertices topologically. |  |
| transitive_closure/2 | Generate the graph Closure as the transitive closure of Graph. |  |
| transpose_ugraph/2 | Unify NewGraph with a new graph obtained from Graph by replacing all edges of the form V1-V2 by edges of the form V2-V1. |  |
| ugraph_layers/2 | Sort vertices topologically. |  |
| ugraph_union/3 | NewGraph is the union of Graph1 and Graph2. |  |
| vertices/2 | Unify Vertices with all vertices appearing in Graph. |  |
| vertices_edges_to_ugraph/3 | Create a UGraph from Vertices and Edges. |  |
url.pl -- Analysing and constructing URL |
utf8.pl -- UTF-8 encoding/decoding on lists of character codes. |
varnumbers.pl -- Utilities for numbered terms |
wfs.pl -- Well Founded Semantics interface |
when.pl -- Conditional coroutining |
writef.pl |
| swritef/2 | Use writef/1 or writef/2 and write the result to a string. |  |
| swritef/3 | Use writef/1 or writef/2 and write the result to a string. |  |
| writef/1 | Formatted write to the current_output. |  |
| writef/2 | Formatted write to the current_output. |  |
www_browser.pl -- Open a URL in the users browser |
yall.pl -- Lambda expressions |
zip.pl -- Access resource ZIP archives |