* [ANN] Dezyne 2.15.0 released as Free Software
@ 2022-05-06 13:08 Jan Nieuwenhuizen
2022-05-06 17:23 ` Nala Ginrut
0 siblings, 1 reply; 2+ messages in thread
From: Jan Nieuwenhuizen @ 2022-05-06 13:08 UTC (permalink / raw)
To: dezyne-devel; +Cc: guile-user
We are thrilled to announce Dezyne 2.15: Dezyne is now being released as
Free Software (FLOSS).
* About
Dezyne[0] is a programming language and a set of tools to specify,
validate, verify, simulate, document, and implement concurrent control
software.
The Dezyne language has formal semantics expressed in mCRL2[1] developed at
the department of Mathematics and Computer Science of the Eindhoven
University of Technology (TUE[2]). Dezyne requires that every model is
finite, deterministic and free of deadlocks, livelocks, and contract
violations. This achieved by means of the language itself as well as
by builtin verification through model checking. This allows the
construction of complex systems by assembling independently verified
components.
* Summary
This release completes full support for blocking: This finally marks
the Grand Unification into single threaded execution semantics.
The documentation has seen a major rewrite and is available here:
<https://dezyne.org/documentation.html>.
We will evaluate your reports and track them via the
Gitlab dezyne-issues project[3], see our guide to writing
helpful bug reports[4].
* What's next?
Verification with system scope and automatically exploring possible
traces in a system. Introducing a new keyword `defer' for asynchronous
behavior and deprecation of `async'.
* Future
Looking beyond the next releases we will introduce implicit interface
constraints. Hierarchical behaviors, module-specifications and
data-interfaces. Support for Model Based Testing.
Please do not hesitate to forward this announcement to other fora
interested in formal methods and verification!
Enjoy!
The Dezyne developers.
* Download
git clone git://git.savannah.nongnu.org/dezyne.git
Here are the compressed sources and a GPG detached signature[*]:
https://dezyne.org/download/dezyne/dezyne-2.15.0.tar.gz
https://dezyne.org/download/dezyne/dezyne-2.15.0.tar.gz.sig
Here are the SHA1 and SHA256 checksums:
395ff05e4f2c17bcee895fd9436d696fb0aab93d dezyne-2.15.0.tar.gz
982d8f7cca9de23225e2f06b4c8524c0b57acfba81beaaff1a0c045c1e6409ea dezyne-2.15.0.tar.gz
[*] Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact. First, be sure to download both the .sig file
and the corresponding tarball. Then, run a command like this:
gpg --verify dezyne-2.15.0.tar.gz.sig
If that command fails because you don't have the required public key,
then run this command to import it:
gpg --keyserver keys.gnupg.net --recv-keys 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273
and rerun the 'gpg --verify' command.
Alternatively, Dezyne can be installed using GNU Guix[5]:
guix pull
guix install dezyne
* NEWS
* Changes in 2.15.0 since 2.14.0
** Language
- Blocking is now fully supported, it may be used:
+ In non-toplevel components,
+ In a component with multiple provides ports, but see the
`Blocking' section in the manual for caveats.
+ A new `blocking' qualifier for ports must be used if a port can
block, or block collateraly.
- Using unobservable non-determinism in interfaces is no longer
supported.
- An action or function call can now also be used in a return
expression (#67[5]). Note that recursive functions still cannot be
valued.
** Commands
- The `dzn explore' command has been removed.
** Verification
- The verifier now supports blocking for components with multiple
provides ports.
- The verifier now detects possible deadlock errors due to a requires
action blocking collaterally, which could happen when a component
deeper in the system hierarchy uses blocking.
- The option `--no-interface-determinism' has been removed for `dzn
verify'.
** Simulation
- The simulator now supports collateral blocking.
- In interactive mode:
+ The new `,state' command shows the state (#66[6]),
+ The new `,quit' command exits the session,
+ The simulator does not exit when supplying empty input.
- The simulator now detects possible deadlock errors due to a requires
action blocking collaterally, which could happen when a component
deeper in the system hierarchy uses blocking.
- The simulator now detects livelocks in interfaces at end of trail.
- The simulator now detects queue-full errors caused by external at
end of trail.
- The `dzn simulate' command now supports the `-C,--no-compliance',
`--no-interface-livelock' and `-Q,--no-queue-full' options,
** Code
- The C++ and C# code generators and runtime now fully support
collaterally blocking components.
** Views
- Returns are no longer removed from the state-diagram. Using the new
`--hide=returns' (or `--hide=actions') now removes void action
returns.
** Documentation
- Blocking has been updated and extended.
- A new section on foreign components was added.
** Noteworthy bug fixes
- Using the construct `provides external' (which has no semantics) no
longer confuses the simulator.
- A bug has been fixed that would cause the well-welformness check for
system bindings to ignore certain missing bindings.
- A bug has been fixed when assigning a value to a formal parameter of
a function.
- A bug has been fixed in the vm that would cause graph or simulate to
hang when using a foreign component that has both provides and
requires ports (note: don't do that!).
- The test framework can be built using gcc-11.
- A bug has been fixed in the code generator when assiging to a local
variable that shadows a formal parameter or member variable.
- A bug has been fixed in the verifier when creating a new local
variable or assigning a variable that remains otherwise unused.
- The simulation function now supports injection of foreign
components.
- The trace produced by running dezyne code is now correct when using
injected foreign components.
- A bug has been fixed that would cause the verifier to overlook
non-determinism in a component.
- Using external data in binary expressions is now reported as an
error (#64[7]).
- The parser no longer reports "<unknown-type>" expected when an
external type definition is missing.
- The well-formedness check of the parser no longer hangs when a
component has the same name as one of its interfaces.
- An interface can now have the same name as its namespace.
* Links
[0] https://dezyne.org
[1] https://mcrl2.org
[2] https://tue.nl
[3] https://gitlab.com/groups/dezyne/-/issues
[4] https://dezyne.org/bugreport
[5] https://gitlab.com/dezyne/dezyne-issues/-/issues/67
[6] https://gitlab.com/dezyne/dezyne-issues/-/issues/66
[7] https://gitlab.com/dezyne/dezyne-issues/-/issues/61
--
Jan Nieuwenhuizen <janneke@gnu.org> | GNU LilyPond https://lilypond.org
Freelance IT https://JoyOfSource.com | Avatar® https://AvatarAcademy.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [ANN] Dezyne 2.15.0 released as Free Software
2022-05-06 13:08 [ANN] Dezyne 2.15.0 released as Free Software Jan Nieuwenhuizen
@ 2022-05-06 17:23 ` Nala Ginrut
0 siblings, 0 replies; 2+ messages in thread
From: Nala Ginrut @ 2022-05-06 17:23 UTC (permalink / raw)
To: Jan Nieuwenhuizen; +Cc: dezyne-devel, Guile User
It's really nice!!
On Fri, May 6, 2022, 21:09 Jan Nieuwenhuizen <janneke@gnu.org> wrote:
> We are thrilled to announce Dezyne 2.15: Dezyne is now being released as
> Free Software (FLOSS).
>
> * About
>
> Dezyne[0] is a programming language and a set of tools to specify,
> validate, verify, simulate, document, and implement concurrent control
> software.
>
> The Dezyne language has formal semantics expressed in mCRL2[1] developed at
> the department of Mathematics and Computer Science of the Eindhoven
> University of Technology (TUE[2]). Dezyne requires that every model is
> finite, deterministic and free of deadlocks, livelocks, and contract
> violations. This achieved by means of the language itself as well as
> by builtin verification through model checking. This allows the
> construction of complex systems by assembling independently verified
> components.
>
> * Summary
>
> This release completes full support for blocking: This finally marks
> the Grand Unification into single threaded execution semantics.
>
> The documentation has seen a major rewrite and is available here:
> <https://dezyne.org/documentation.html>.
>
> We will evaluate your reports and track them via the
> Gitlab dezyne-issues project[3], see our guide to writing
> helpful bug reports[4].
>
> * What's next?
>
> Verification with system scope and automatically exploring possible
> traces in a system. Introducing a new keyword `defer' for asynchronous
> behavior and deprecation of `async'.
>
> * Future
>
> Looking beyond the next releases we will introduce implicit interface
> constraints. Hierarchical behaviors, module-specifications and
> data-interfaces. Support for Model Based Testing.
>
> Please do not hesitate to forward this announcement to other fora
> interested in formal methods and verification!
>
> Enjoy!
> The Dezyne developers.
>
> * Download
>
> git clone git://git.savannah.nongnu.org/dezyne.git
>
> Here are the compressed sources and a GPG detached signature[*]:
> https://dezyne.org/download/dezyne/dezyne-2.15.0.tar.gz
> https://dezyne.org/download/dezyne/dezyne-2.15.0.tar.gz.sig
>
> Here are the SHA1 and SHA256 checksums:
>
> 395ff05e4f2c17bcee895fd9436d696fb0aab93d dezyne-2.15.0.tar.gz
> 982d8f7cca9de23225e2f06b4c8524c0b57acfba81beaaff1a0c045c1e6409ea
> dezyne-2.15.0.tar.gz
>
> [*] Use a .sig file to verify that the corresponding file (without the
> .sig suffix) is intact. First, be sure to download both the .sig file
> and the corresponding tarball. Then, run a command like this:
>
> gpg --verify dezyne-2.15.0.tar.gz.sig
>
> If that command fails because you don't have the required public key,
> then run this command to import it:
>
> gpg --keyserver keys.gnupg.net --recv-keys
> 1A858392E331EAFDB8C27FFBF3C1A0D9C1D65273
>
> and rerun the 'gpg --verify' command.
>
> Alternatively, Dezyne can be installed using GNU Guix[5]:
> guix pull
> guix install dezyne
>
> * NEWS
>
> * Changes in 2.15.0 since 2.14.0
> ** Language
> - Blocking is now fully supported, it may be used:
> + In non-toplevel components,
> + In a component with multiple provides ports, but see the
> `Blocking' section in the manual for caveats.
> + A new `blocking' qualifier for ports must be used if a port can
> block, or block collateraly.
> - Using unobservable non-determinism in interfaces is no longer
> supported.
> - An action or function call can now also be used in a return
> expression (#67[5]). Note that recursive functions still cannot be
> valued.
> ** Commands
> - The `dzn explore' command has been removed.
> ** Verification
> - The verifier now supports blocking for components with multiple
> provides ports.
> - The verifier now detects possible deadlock errors due to a requires
> action blocking collaterally, which could happen when a component
> deeper in the system hierarchy uses blocking.
> - The option `--no-interface-determinism' has been removed for `dzn
> verify'.
> ** Simulation
> - The simulator now supports collateral blocking.
> - In interactive mode:
> + The new `,state' command shows the state (#66[6]),
> + The new `,quit' command exits the session,
> + The simulator does not exit when supplying empty input.
> - The simulator now detects possible deadlock errors due to a requires
> action blocking collaterally, which could happen when a component
> deeper in the system hierarchy uses blocking.
> - The simulator now detects livelocks in interfaces at end of trail.
> - The simulator now detects queue-full errors caused by external at
> end of trail.
> - The `dzn simulate' command now supports the `-C,--no-compliance',
> `--no-interface-livelock' and `-Q,--no-queue-full' options,
> ** Code
> - The C++ and C# code generators and runtime now fully support
> collaterally blocking components.
> ** Views
> - Returns are no longer removed from the state-diagram. Using the new
> `--hide=returns' (or `--hide=actions') now removes void action
> returns.
> ** Documentation
> - Blocking has been updated and extended.
> - A new section on foreign components was added.
> ** Noteworthy bug fixes
> - Using the construct `provides external' (which has no semantics) no
> longer confuses the simulator.
> - A bug has been fixed that would cause the well-welformness check for
> system bindings to ignore certain missing bindings.
> - A bug has been fixed when assigning a value to a formal parameter of
> a function.
> - A bug has been fixed in the vm that would cause graph or simulate to
> hang when using a foreign component that has both provides and
> requires ports (note: don't do that!).
> - The test framework can be built using gcc-11.
> - A bug has been fixed in the code generator when assiging to a local
> variable that shadows a formal parameter or member variable.
> - A bug has been fixed in the verifier when creating a new local
> variable or assigning a variable that remains otherwise unused.
> - The simulation function now supports injection of foreign
> components.
> - The trace produced by running dezyne code is now correct when using
> injected foreign components.
> - A bug has been fixed that would cause the verifier to overlook
> non-determinism in a component.
> - Using external data in binary expressions is now reported as an
> error (#64[7]).
> - The parser no longer reports "<unknown-type>" expected when an
> external type definition is missing.
> - The well-formedness check of the parser no longer hangs when a
> component has the same name as one of its interfaces.
> - An interface can now have the same name as its namespace.
>
> * Links
>
> [0] https://dezyne.org
> [1] https://mcrl2.org
> [2] https://tue.nl
> [3] https://gitlab.com/groups/dezyne/-/issues
> [4] https://dezyne.org/bugreport
> [5] https://gitlab.com/dezyne/dezyne-issues/-/issues/67
> [6] https://gitlab.com/dezyne/dezyne-issues/-/issues/66
> [7] https://gitlab.com/dezyne/dezyne-issues/-/issues/61
>
> --
> Jan Nieuwenhuizen <janneke@gnu.org> | GNU LilyPond https://lilypond.org
> Freelance IT https://JoyOfSource.com | Avatar® https://AvatarAcademy.com
>
>
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