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See project page ( http://rustdt.github.io/ ) for user information.

Developers Guide

Build Status

Setting up the development environment:

  • You need Eclipse PDE to develop Eclipse plugins. Download and start it.
  • Clone the Git repository.
  • In Eclipse, click "File / Import... ", and then "General / Existing projects into workspace". Select the Git repository folder as the "root directory", and select all the Eclipse projects that show up. Click finish to import those projects.

Note: The actual project names will vary: the "LANG_PROJECT_ID" name segment will be different.
* Note: Java compiler settings will be automatically configured, since Eclipse compiler settings are stored in source version control. * Setup the target platform: Open the target platform file: `releng/target-platform/IDE.target` (You can use the Open Resource dialog to help find this file, press Ctrl-R and type `IDE.target` in the dialog). Then click "Set as Target Platform" once the file is opened, as seen here:
* Build the workspace ( "Project / Build All"). Everything should build fine now, there should be no errors. * To start the IDE from your workspace: Open "Run / Run Configurations ...". Click on "Eclipse Application" to create a new launch for the plugins in your workspace. The default new configuration that is created should already be ready to be launched.

Running the tests in Eclipse:

Automated Building and Testing:

Using Maven (and Tycho), it is possible to automatically build RustDT, create an update site, and run all the tests. Download Maven (minimum version 3.0), and run the following commands on the root folder of the repository:

  • Run mvn package to build the RustDT feature into a p2 repository (which is a local update site). It will be placed at bin-maven/features.repository/repository
  • Run mvn integration-test to build RustDT as above and also run the test suites. You can do mvn integration-test -P TestsLiteMode to run the test suites in "Lite Mode" (skip certain long-running tests).

Creating and deploying a new release:

A release is a web site with an Eclipse p2 update site. The website may contain no web pages at all, rather it can be just the p2 site. To create and deploy a new release:

  1. Ensure the version numbers of all plugins/features/etc. are properly updated, if they haven't been already.
  2. Run mvn clean integration-test to perform the Tycho build (see section above). Ensure all tests pass.
  3. Create and push a new release tag for the current release commit.
  4. Go to the Github releases page and edit the newly present release. Add the corresponding (ChangeLog.md) entries to the release notes.
  5. Locally, run ant -f releng/ CreateProjectSite. This last step will prepare the project web site under bin-maven/ProjectSite.
  6. To actually publish the project site, run ant -f releng/ PublishProjectSite -DreleaseTag=<tagName>. What happens here is that the whole project site will be pushed into a Git repository, to then be served in some way (for example Github Pages). If projectSiteGitURL is not specified, the default value in releng-build.properties will be used.
  • For more info on the Release Engineering script, run ant -f releng/, this will print the help.
  1. A branch or tag named latest should also be created in Github, pointing to the latest release commit. The previous latest tag can be deleted/overwritten. The documentation pages use this tag/branch in their links.

Project design info and notes

LangEclipseIDE

This project uses the LangEclipseIDE framework, which is designed to have its source embedded in the host IDE. See this section for more info on how this should be managed.

Unit tests double-method wrapper:

What is this code idiom seen so often in Junit tests? :

@Test
public void testXXX() throws Exception { testXXX$(); }
public void testXXX$() throws Exception {

This is donely solely as an aid when debugging code, so that the "Drop to frame" functionality can be used on the unit-test method. It seems the Eclipse debugger cannot drop-to-frame to a method that is invoked dynamically (such as the unit-test method). So we wrap the unit-test method on another one. So while we now cannot drop-to-frame in testXXX, we can do it in testXXX$, which basically allows us to restart the unit-test.

TODO: investigate if there is an alternate way to achieve the same. I haven't actually checked that.