Description Florian Philipp 2010-07-19 04:40:10 EDT

Build Identifier: 20100617-1415

When I start my RCP application or open a file in it, the validation is not triggered automatically. So I see the content, complete with outline and syntax highlighting but parser errors are not shown and my own validators are not executed. I need to make some change to the file, for example inserting a blank line, in order to trigger evaluation.

It is my understanding that this is a desired behavior because it avoids possibly resource intensive validations and builds. However, there should be some way to trigger validation nonetheless.

I tried the following code snippet:
for(IProject project: ResourcesPlugin.getWorkspace().getRoot().getProjects())
    for(IResource member: project.members())
        if(member.getType() == IResource.FILE)
            member.touch(new NullProgressMonitor());

It did not work, though. Since the documentation for IResource.touch specifically states that it can be used for triggering rebuilds and that it causes a resource change event, I'm wondering whether XText's behavior is really conforming.

Reproducible: Always

Steps to Reproduce:
1. Extend AbstractDeclarativeValidator
2. Open a new file which contains an error
3. Notice that no error is shown
4. Make a minor change to the file
5. Notice that the error suddenly appears
6. Restart the application
7. Notice that the error is once again gone