The second release candidate of MPS 2018.3 is ready.

This release candidate eliminates a few bugs that were annoying. Here are some of them:

  • IntelliJ IDEA plugin exception is fixed. (MPS-28733)
  • The error in the theSimplestLanguage sample is gone. (MPS-28928)
  • The “Search Everywhere” popup now works as it should. (MPS-28932)
  • No more exception of VCS when you don’t have Pull requests. (MPS-28918)
  • The problem with the migration data ignored is solved. (MPS-28918)
  • More User-friendly wizard & scripts for RCP. (MPS-27580)
  • Annoying bug in concept declaration is fixed. (MPS-28827)

Download MPS 2018.3 RC2

Keep reporting things to our issue tracker (thanks!) and see the complete list of fixed bugs here.
Have a nice day!

Your JetBrains MPS Team

The Drive to Develop
MPS 2018.1

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Bug fix for MPS 2018.2

The new bug fix for MPS 2018.2 is here to fix some critical problems.

Update to MPS 2018.2.6

  • No more exceptions when opening VCS (MPS-28918)
  • Error message update (MPS-25970)
  • Roots no longer disappear after merges (MPS-28822)
  • The “View usages” exception has been solved (MPS-28801)

See the complete list of bugs fixed here and please remember to keep reporting your issues to our tracker.
Have a nice day!

Your JetBrains MPS Team

The Drive to Develop
MPS 2018.1

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Try the first release candidate for MPS 2018.3

MPS is getting ready for its last major release this year. In this RC, we’ve fixed some critical bugs that were caused by the new improvements. These are just some of them:

  • Cell properties and Cell in explorer action were failing… not anymore! (MPS-28829 and MPS-28830)
  • The terminal tool was not working on Windows, and now it does. (MPS-28653)
  • Foreign files removed from source_gen after rebuild. (MPS-28797)
  • Issues with package customization. (MPS-28895)

Download MPS 2018.3 RC1

You can see the complete list here. Keep those reports coming in our issue tracker!

 

Have a nice day!

Your JetBrains MPS Team

The Drive to Develop
MPS 2018.1

 

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MPS 2018.3 Beta is out

The first beta version for this new version is ready for you to try. The Beta includes a more user-friendly wizard and scripts for the Rich Client Platform (RCP) build, and fixes for some merge conflict issues.

Download MPS 2018.3 BETA

We are doing a lot of bug fixing, so please keep reporting them in our issue tracker. You can see the complete list of bugs fixed here.

Have a nice day!

Your JetBrains MPS Team

The Drive to Develop
MPS 2018.1

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Last version of the Early Access Program for MPS 2018.3 is ready

This is our last version of the Early Access Program for 2018.3, which means feature development is put on hold and we’re focusing only on proper integration of the new features and fixing bugs.

This version introduces new actions to find deprecated code, improved conflict resolution, customization of tips and tricks, and custom packages for BaseLanguage classes.

Download MPS 2018.3 EAP

 

Improved conflict resolution

Previously, it was impossible to apply changes from both local and remote sides, as applying from one side simply rejected the changes from the other.

For children in multiple roles, it is not convenient if both changes are applied. This why now, after you apply changes from one side of the conflict, the other conflicting changes are converted into an addition at the end of the changed group. You can apply or ignore them separately.

For example:

Conflict_1

After applying the left version of the conflict, you still can apply or ignore the line from the right side:

Conflict_2

 

New actions to find deprecated code

Find Usages of Deprecated can find all usages of deprecated elements. Now, the report of the found usages groups the entries by the expected version of code removal, so it’s easier to recognize their severity and prioritize their elimination. In addition, we’ve reviewed our own deprecations in MPS code and added some additional migrations to help you minimize the amount of deprecated code in projects using MPS.

Deprecated_1

 

Custom packages for BaseLanguage Classes

For a long time, the only way to manage Java packages of generated classes was through the name of a containing model:

BLClasses_1

In the previous screenshot, we’ve got 3 BaseLanguage roots in a jetbrains.mps.samples.files.blpack model. The generated code used to end up in a package with the same name.

However, with the new Classifier property ‘packageName’, you can manage the Java package of a generated class. The property is available for root classifiers:

ClassConcept:

BLClasses_2

Interface:

BLCLasses_3

EnumClass:

BLCLasses_4

The generated code for the model now uses the property:

BLClasses_5

with files arranged appropriately:

BLClasses_6

 

Tips & Tricks

The default Tips & Tricks for MPS can now be customized. This can be done with the new tips & tricks concept in the build script:

Tips_1

Tips can be reused from the general MPS distribution, or imported from a directory or solution:

Tips_2

  • The first option, “from MPS,” just adds all MPS tips to the final distribution. This is the default option for the build script generated with the wizard.
  • The second option, “from directory,” requires you to manually create a folder with the correct structure of the tips and an IdeTipsAndTricks.xml file. The correct structure can be obtained from mps-tips.jar.
  • The last option, “from solution,” lets you use the jetbrains.mps.build.tips and jetbrains.mps.core.xml languages to quickly create basic tips in MPS itself.

Finally, tips must be packaged into a build script layout in the /lib folder. In the build script generated with the wizard, MPS tips & tricks are packaged in the /lib folder by default:

Tips_3

 

Tips & Tricks language

To import tips & tricks from a solution, create a solution with a model and add the languages jetbrains.mps.build.tips and jetbrains.mps.core.xml to model the used languages. Then you can create an instance of the MPSTipsAndTricks concept, where multiple tips can be created.

Each tip is HTML-formatted text and may include up to one image:

TipsLanguage_1

A solution with the MPSTipsAndTricks concept will generate a special xml (in the /source_gen folder) which knows how to package tips & tricks in the distribution:

TipsLanguage_2

 

Find the complete list of all the bugs fixed here and keep reporting issues on our tracker.

 

Have a nice day!

Your JetBrains MPS Team

The Drive to Develop

MPS 2018.1

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The bug fix 2018.2.5 is here!

We have solved some critical issues for this version. These were the main issues we have worked out:

  • Editor tests were failing. (MPS-28578)
  • Java stubs support JDK8. (MPS-20439)
  • Ant builds sometimes crashed. (MPS-28795
  • Starting a language from scratch improvements. (MPS-20611)

Download MPS 2018.2.5

Check the complete list here and keep using our issue tracker to report bugs.

 

Have a nice day!

Your JetBrains MPS Team

The Drive to Develop
MPS 2018.1

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Touch Bar support for Mac in MPS 2018.3 EAP6!

With the Touch Bar in the new MacBook, Apple brought a new host of opportunities for the creators of the application. In MPS we don’t want to fall behind, so we are exploring new possibilities with using the touch bar. The Touch Bar is located above the keyboard on supported Apple MacBook Pro models. It provides additional controls for quick access based on the current context.

Download MPS 2018.3 EAP

  • The default context is used most of the time:

It includes controls for running, building, and debugging the application, with the ability to quickly select or create a new run/debug configuration. It also provides VCS controls for updating your project and committing changes, which can be replaced in some contexts.

default_bar

  • The debugger context is used when the focus is on the Debug Tool Window.

It includes controls to stop, pause, and resume the debugger, as well as stepping through and evaluating expressions.

debugger_bar

  • The Touch Bar with dialog confirmation buttons

When the focus is on a dialog, the confirmation controls are displayed (for example, Cancel, Apply, OK, and other relevant buttons).

dialog_bar

 

The Touch Bar actions can be configured. If you have a laptop with a Touch Bar, there is now a new Touch Bar page under Preferences | Appearance & Behavior | Menus and Toolbars.
Screen Shot 2018-10-22 at 11.10.09

We are nearing our final release of MPS 2018.3, so please keep reporting your bugs on our issue tracker.

 

Have a nice day!

Your JetBrains MPS Team

The Drive to Develop
MPS 2018.1

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Early Access Program 5 of MPS 2018.3

The new version is really shaping up with every EAP. For this new version, we have made some improvements and fixed a critical failing test bug.

Download MPS 2018.3 EAP

These are the new improvements for this EAP:

  • Integration of CodeStyleFacadeImpl. (MPS-28657)
  • We have solved a critical bug that was failing type system tests. (MPS-28717)
  • Dialog error in the IDEA plugin. (MPS-28604)
  • Improvements for presenting errors in the Node Explorer. (MPS-25668)
  • Better wording for the action “Paste as Java Statements”. (MPS-25970)

Find the complete list of all the bugs fixed here and keep reporting issues on our tracker.

Have a nice day!

Your JetBrains MPS Team

The Drive to Develop

MPS 2018.1

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Let’s welcome the new version of the Early Access Program of MPS 2018.3

When September ends 🎧🎧, October comes with a new version of EAP. This is just one step towards the major release of MPS 2018.3.


Download MPS 2018.3 EAP

You can expect the following improvements for this version:

  • Fixed a critical bug because some of our commands were not working. (MPS-28597)
  • Changes in some labels in our settings to improve the user experience. (MPS-25861 and MPS-25860)
  • Smodel improvements (MPS-24474)
  • And more!

See the complete list here. Keep reporting bugs on our issue tracker.
Have a nice day!

Your JetBrains MPS Team

The Drive to Develop

MPS 2018.1

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The new version of the Early Access program is ready

For this version of the early access program, we have some improvements in the Generator and Base languages. You can see the full list of features and bugs fixed here.
We are preparing more features for 2018.3, so stay tuned!


Download MPS 2018.3 EAP

Have a nice day!

Your JetBrains MPS Team

The Drive to Develop

MPS 2018.1

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