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Danny Tuppeny c5f60241a8 [dds/dap] Don't provide DAP sourceReferences for non-existing scripts
This adds a check that scripts exist before we create a sourceReference to assume we can download them.

I don't have a good way to test this (in the Dart SDK) because this never happens for Dart - we can always download the scripts. However this code is triggered in Flutter because of https://github.com/flutter/flutter/issues/128880 - we can't find the source so we will try to set it up for downloading.

Fixing that would avoid the need for this change (and make the behaviour more consistent with Dart), but in the meantime I think it's better that we don't produce sourceReferences for sources that don't exist.

Change-Id: I4de3f6e87fe3ff867a1ff7e6d3a5d79f7bf9fa1d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/330780
Reviewed-by: Helin Shiah <helinx@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
2023-10-24 17:35:42 +00:00
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Dart

A client-optimized language for fast apps on any platform

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