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Home » Modeling » TMF (Xtext) » generator output relative to dsl file(generator output relative to dsl file)
generator output relative to dsl file [message #1857216] Wed, 25 January 2023 09:27 Go to next message
Eclipse UserFriend
Hello everyone,

I want to generate the src-gen folder next to my dsl file. The problem is that I have mutliple dsl files in my project. Is there a way that I can define the OutputConfiguration to do this?

I have seen that there exsists a IContextualOutputConfigurationProvider but I can't get this to work. If I understood that correctly, I would then overwrite the default output configuration for each resource every time I want to generate the code. That might not be perfect but might work.

When I generate the files "manually" in the generator ( generate file at location: resource.URI / generatedFile ) I get problems with deleting old files. In this scenario I have an OutputConfiguration with output folder: "." (the project root)

Thank you for helping!
Re: generator output relative to dsl file [message #1857217 is a reply to message #1857216] Wed, 25 January 2023 09:52 Go to previous messageGo to next message
Eclipse UserFriend
hi, can you please be more percise on your exact requirements
Re: generator output relative to dsl file [message #1857218 is a reply to message #1857216] Wed, 25 January 2023 10:36 Go to previous messageGo to next message
Eclipse UserFriend
Hello Christian,
For example I have this project structure:

https://tree.nathanfriend.io/?s=(%27options!(%27fancy8~fullPath!false~trailingSlash8~rootDot8)~A(%27A%27Root0514052B1G*othCEsB2G7*9*60534%27)~vCsion!%271%27)*%20%200%5Cn*407965foldC6**genCatedE7*mydsl.dslG8!true9src-gen0Asource!BGsub5CerEFileG0*%01GECBA9876540*

And I only want to have for each mydsl.dsl file the src-gen folder next to it.
Re: generator output relative to dsl file [message #1857224 is a reply to message #1857218] Wed, 25 January 2023 15:07 Go to previous messageGo to next message
Eclipse UserFriend
i dont know an easy solution for that.
is there a specific reason for that requirement?

[Updated on: Wed, 25 January 2023 15:28] by Moderator

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Re: generator output relative to dsl file [message #1857312 is a reply to message #1857224] Mon, 30 January 2023 08:02 Go to previous messageGo to next message
Eclipse UserFriend
Hey,

sorry for the late response.
There are reasons that are kind of stupid but it is what it is. That's unfortunately nothing that I can change. But back to the topic.
I found kind of an solution:
@Override
	public Set<OutputConfiguration> getOutputConfigurations(ResourceSet context) {
		Set<OutputConfiguration> set = new HashSet<>();
		set.add(OutputConfigurationProvider.DEFAULT());
		for (Resource res : context.getResources()) {
			OutputConfiguration outputConfiguration = new OutputConfiguration(res.toString());
			String path = res.getURI().toPlatformString(true);
			path = path + "folder";
			outputConfiguration.setOutputDirectory(path);
			outputConfiguration.setCleanUpDerivedResources(true);
			outputConfiguration.setCanClearOutputDirectory(true);
			outputConfiguration.setOverrideExistingResources(true);
			outputConfiguration.setCreateOutputDirectory(true);
			set.add(outputConfiguration);
		}
		return set;
	}

this is the output configuration and this is how I generate my files:

fsa.generateFile("pom.xml", resource.toString, generatePom(""))


So I generate my files for a resource with the right OutputConfiguration.
The problem I have now is that the old files are not deleted. I thought that is what setOverrideExistingResources does.
Does anyone knows a solution? Thanks!
Re: generator output relative to dsl file [message #1857314 is a reply to message #1857312] Mon, 30 January 2023 09:51 Go to previous message
Eclipse UserFriend
i still dont understand: why not generating to a top level src-gen. which usecase do you solve by generating next to the file
for the incremental deletion you need to debug
the code in BuilderParticipant.getDerivedResources
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