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Revision as of 08:19, 11 December 2013
This page summarizes the work that is being done to add Java™ 8 support into Eclipse.
Contents
Java 8 features that are complete and ready to be tested (save for some very minor defects)
- JSR 308 - Type Annotations
- Meta data enhancement specification:
- JEP120: Repeating annotations
- JEP118: Runtime access to parameter names
- JSR269 Enhancements for Pluggable Annotation Processor API and javax.lang.model APIs
- Formatter, Code completion, code navigation, search & indexing, Reconciler support for all the above
- Basic IDE enablement (AST APIs) for all of Java 8
- JSR308 type annotations based null analysis (substantially complete - some open issues exist)
- Default & static Methods in interfaces (part of JSR 335)
- JSR 335 features are substantially in place except in the areas of overload resolution and type inference.
What work is pending ?
Updates are filed in the top level bug [380190 - Add support for Java SE 8]
JDT UI changes are tracked in JDT UI/Java8
Lambda Expressions | Method references | Default Methods | Overload resolution | Type Inference | |
---|---|---|---|---|---|
Grammar / Parser | NA | NA | |||
Compiler | |||||
Reconciler | NA | NA | |||
Syntax Error recovery | NA | NA | |||
Class file generation | NA | NA | |||
Search Engine (Manoj) | NA | NA | |||
Code select (Anirban) | NA | NA | |||
Code completion (Anirban) | NA | NA |
Done | |
Substantially complete, with open items | |
In Progress | |
|
Not Started yet |
NA | Not Applicable |
IMPORTANT NOTE
- The following lines must be added in all headers of modified files for Java™ 8 implementation:
* This is an implementation of an early-draft specification developed under the Java * Community Process (JCP) and is made available for testing and evaluation purposes * only. The code is not compatible with any specification of the JCP. *
- Use the following @since tag on all newly added members: "3.9 BETA_JAVA8"
What to do to set up the IDE
- You need to install a JDK 8 build as an installed JRE in order to compile org.eclipse.jdt.annotation and run the tests using the JavaSE-1.8 Execution Environment.
- Use the exact name "JavaSE-1.8" for the JRE
- Checkout the BETA_JAVA8 branch of the following git repositories:
- JDT Core repository - git://git.eclipse.org/gitroot/jdt/eclipse.jdt.core.git
- JDT UI repository - git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git
- JDT Debug repository - git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git
- Equinox OSGi repository: git://git.eclipse.org/gitroot/equinox/rt.equinox.framework.git
- For tests:
- Releng repository - git://git.eclipse.org/gitroot/platform/eclipse.platform.releng.git
- Text repository - git://git.eclipse.org/gitroot/platform/eclipse.platform.text.git
- For more information on how to work with git repositories, look at http://wiki.eclipse.org/Platform-releng/Git_Workflows .
- Set R4.3.1 as Target Platform.
- Set R4.3.1 as API Baseline.
- If you are going to be running Ant builds (stand-alone or as project builders) using the 1.8 javac target, you should read the following wiki: Ant / Java 8.
Early access binaries
Please see JDT/Eclipse Java 8 Support (BETA) for details.
Disclaimer
This is a work in progress. The contents of the BETA_JAVA8 branch will be updated as the changes are made to the JSR Specification. Please use the early access builds only in a test/evaluation mode and not in the real development environment. If you need any help with this, please contact the JDT/Core team through either the forum or Bugzilla.