pengines

Prolog files

pengines.pl  -- Pengines: Web Logic Programming Made Easy
add_error_details/3	Add format error code and location information to an error.
authentication_hook/3	This hook is called from the =/pengine/create= HTTP handler to discover whether the server is accessed by an authorized user.
current_pengine_application/1	True when Application is a currently defined application.
event_to_json/3	Hook that translates a Pengine event structure into a term suitable for reply_json_dict/1, according to the language specification Lang.
not_sandboxed/2	This hook is called to see whether the Pengine must be executed in a protected environment.
output/2	Hook to handle pengine_output/1 from the remote pengine.
pengine_abort/1	Aborts the running query.
pengine_application/1	Directive that must be used to declare a pengine application module.
pengine_ask/3	Asks pengine NameOrID a query Query.
pengine_create/1	Creates a new pengine.
pengine_debug/2	Create a message using format/3 from Format and Args and send this to the client.
pengine_destroy/1	Destroys the pengine NameOrID.
pengine_destroy/2	Destroys the pengine NameOrID.
pengine_done/0	Called from the pengine thread at_exit option.
pengine_event/2	Examines the pengine's event queue and if necessary blocks execution until a term that unifies to Term arrives in the queue.
pengine_event_loop/2	Starts an event loop accepting event terms sent to the current pengine or thread.
pengine_input/2	Sends Prompt to the master (parent) pengine and waits for input.
pengine_next/2	Asks pengine NameOrID for the next solution to a query started by pengine_ask/3.
pengine_output/1	Sends Term to the parent pengine or thread.
pengine_property/2	True when Property is a property of the given Pengine.
pengine_pull_response/2	Pulls a response (an event term) from the slave Pengine if Pengine is a remote process, else does nothing at all.
pengine_respond/3	Sends a response in the form of the term Input to a slave (child) pengine that has prompted its master (parent) for input.
pengine_rpc/2	Semantically equivalent to the sequence below, except that the query is executed in (and in the Prolog context of) the pengine server referred to by URL, rather than locally.
pengine_rpc/3	Semantically equivalent to the sequence below, except that the query is executed in (and in the Prolog context of) the pengine server referred to by URL, rather than locally.
pengine_self/1	True if the current thread is a pengine with Id.
pengine_stop/2	Tells pengine NameOrID to stop looking for more solutions to a query started by pengine_ask/3.
pengine_user/1	True when the pengine was create by an HTTP request that authorized User.
portray_blob/2	Portray non-text blobs that may appear in output terms.
prepare_goal/3	Pre-preparation hook for running Goal0.
prepare_module/3	Hook, called to initialize the temporary private module that provides the working context of a pengine.
prompt/3	Hook to handle pengine_input/2 from the remote pengine.
write_result/3	Hook that allows for different output formats.
create_pool/1	On demand creation of a thread pool for a pengine application.
pengines_io.pl  -- Provide Prolog I/O for HTML clients
pengines_sandbox.pl  -- Declare Pengine interaction sandbox-safe
safe_meta/2	Declare the pengine meta-predicates as safe.
safe_primitive/1	Declare the core pengine operations as safe.
term_to_json.pl
term_to_json/2	Convert any general Prolog term into a JSON term.
term_to_json/3	Convert any general Prolog term into a JSON term.