Functional threads as future values.

added Concurrent/future.ML;

Default (mostly dummy) implementation of thread structures. formerly in multithreading.ML; create mutexes / condition variables without failure;

*** MESSAGE REFERS TO PREVIOUS VERSION *** removed dummy thread structures from multithreading.ML;

*** empty log message ***

explicit use of universal.ML and dummy_thread.ML;

added no_interrupts; tuned;

added no_interrupts; moved dummy thread structures to dummy_thread.ML;

tuned;

send: broadcast to all waiting threads;

added ML-Systems/thread_dummy.ML;

dropped "run" marker in monad syntax

multithreading.ML provides dummy thread structures;

different bookkeeping for code equations

renamed structure CodeTarget to Code_Target

instances comm_semiring_0_cancel < comm_semiring_0, comm_ring < comm_semiring_0_cancel

proper header;

added receive_timeout; tuned comments;

check WRAPPER_OUTPUT node type;

init: disallow "" as out stream;

fixed deps: no Concurrent/receiver.ML yet;

Concurrent message exchange via mailbox -- with unbounded queueing.

added Concurrent/mailbox.ML;

reorganize subsections

rename INF_drop_prefix to INFM_drop_prefix

add lemma power_Suc2; generalize power_minus from class comm_ring_1 to ring_1

move diff_add_cancel, add_diff_cancel from class ab_group_add to group_add

tuned signature;

added General/queue.ML;

Efficient queues.

moved Multithreading.task/schedule to Concurrent/schedule.ML

multithreading.ML provides dummy thread structures;

moved Multithreading.task/schedule to Concurrent/schedule.ML;

provide dummy thread structures, including proper Thread.getLocal/setLocal; moved task/schedule to Concurrent/schedule.ML;

Thread.getLocal/setLocal;

Scheduling -- multiple threads working on a queue of tasks. formerly in ML-Systems/multithreading_polyml.ML; simplified -- less tracing; use regular Isabelle/ML functions instead of NJ stuff;

added Concurrent/schedule.ML;

update tags

use /home/isabelle/mercurial/bin/hg wrapper;

exclude large .mov files;

simplified add_axiom: no hyps;

discontinued local axioms -- too difficult to implement, too easy to produce nonsense;

axiomatization is now global-only;

added const_decl;

simplified specify_const: canonical args, global deps;

declare_const: Name.binding, store/report position;

Sign.declare_const: Name.binding;

removed ex/Puzzle

added qualified: string -> binding -> binding;

Name.qualified;

theorem dependency hook: check previous state;

added pos_of;

-> AFP

simplified Toplevel.add_hook: cover successful transactions only;

retired Ben Porter's DenumRat in favour of the shorter proof in Real/Rational.thy

made SML/NJ happy;

refined theorem dependency output: previous state needs to contain a theory (not empty toplevel); new_thms_deps: explicity theory values;

* Generic Toplevel.add_hook interface allows to analyze the result of transactions (including failed ones). For example, see src/Pure/ProofGeneral/proof_general_pgip.ML for theorem dependency output of transactions resulting in a new theory state.

Replaced Library/NatPair by Nat_Int_Bij.

added new_thms_deps (operates on global facts, some name_hint approximation); theorem dependency output: Toplevel.add_hook, ProofGeneralPgip.new_thms_deps;

theorem dependency output: Toplevel.add_hook, ProofGeneralPgip.new_thms_deps;

added add_hook interface for post-transition hooks;

tuned;

ProofDisplay.print_results;