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fix(rosetta): incorrect transliteration for selective imports #3508

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merged 3 commits into from May 6, 2022

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RomainMuller
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Go does nto support "selective" imports, and has limited symbol aliasing
support. Instead of attempting to transliterate selective imports with
a one-to-one semantic mapping, resolve the imported symbols and emit the
correct qualified original name instead.

This results in more idiomatic (and likely more correct) go code.

For example:

import { Foo as RenamedFoo, Bar } from 'baz';

const foo = new RenamedFoo();
Bar.baz(foo);

Should transliterate to something looking like:

import "github.com/aws-samples/dummy/baz"

foo := baz.NewFoo()
Bar_baz(foo)

Bonus content:

  • Now emits README.md for submodules, too (was previously ignored).
  • Missing newlines between go import statements are now inserted.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Go does nto support "selective" imports, and has limited symbol aliasing
support. Instead of attempting to transliterate selective imports with
a one-to-one semantic mapping, resolve the imported symbols and emit the
correct qualified original name instead.

This results in more idiomatic (and likely more correct) go code.

For example:

```ts
import { Foo as RenamedFoo, Bar } from 'baz';

const foo = new RenamedFoo();
Bar.baz(foo);
```

Should transliterate to something looking like:

```go
import "github.com/aws-samples/dummy/baz"

foo := baz.NewFoo()
Bar_baz(foo)
```
@RomainMuller RomainMuller requested a review from a team May 2, 2022 10:16
@RomainMuller RomainMuller self-assigned this May 2, 2022
@mergify mergify bot added the contribution/core This is a PR that came from AWS. label May 2, 2022
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mergify bot commented May 6, 2022

Thank you for contributing! ❤️ I will now look into making sure the PR is up-to-date, then proceed to try and merge it!

@mergify mergify bot added the pr/ready-to-merge This PR is ready to be merged. label May 6, 2022
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mergify bot commented May 6, 2022

Merging (with squash)...

@mergify mergify bot merged commit 8eec086 into main May 6, 2022
@mergify mergify bot deleted the rmuller/go-requires-newlines branch May 6, 2022 10:37
@mergify mergify bot removed the pr/ready-to-merge This PR is ready to be merged. label May 6, 2022
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2 participants