Suggestions within logpoints not working as expected

[engelhardtda]

Bug Description:

Autocomplete suggestions within a log message when creating a logpoint have unexpected behavior.

• Suggestions are shown without the interpolated scope ( { } )
• When trying to add interpolation suggestions are only shown after 3 characters
• Trying to autocomplete a found suggestion with enter does add it to the already typed characters, e.g: {myVaria}-> auto completes to {myVariamyVariable}
• suggestions sometimes don't make sense in the scope currently working, expected suggestions don't show up

Steps to Reproduce:

1. Open workspace on gitpod.io
2. Add logpoint with type log message
3. Without scope trigger suggestions (ctrl space) results in suggestions to show up
4. Add interpolation via {} trigger suggentions again results in no suggestions

Additional Information

• Operating System: Win10 (Ms Edge 87.0.664.52)
• Theia Version: Can be reproduced with the gitpod sample applications

[vince-fugnitto]

For anyone interested in implementing the feature, I found the following commit from vscode which looks to hook up completion items to the debug widget (ex: logpoint breakpoints):

• https://github.com/microsoft/vscode/pull/46540/commits/e65578ef34d6517ba8eb0a0561422d17135f2c5c

It should be enough to add the code to the @theia/debug extension (provided a CQ is prepared for the copied code).

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Edit: It looks like the code is in place to handle suggesting completion items during a log breakpoint so it may just be a bug.