Try to guess packages using BetterReflection.

[guillaume-perreal]

See #52.

There are still a couple of issues:

* I do not like loading the project autoloader, since it automatically registers. Yet it is a cheap way to resolve symbols.
* I am not satisfied with the handling of the autoloader-path configuration.

Use BetterReflection to guess the source package of unknown symbols from the vendor directory.

Known limitations:

• Find classes only.
• Do not support non-standard vendor locations (https://getcomposer.org/doc/06-config.md#vendor-dir), since BetterReflection does not either.

[Ocramius]

I do not like loading the project autoloader, since it automatically registers. Yet it is a cheap way to resolve symbols.

It's a simple/reliable way to get things done - if you want to avoid it, then please use an approach like https://github.com/Roave/BetterReflection/blob/14f329c5a3201ee890d3d8c4959c8779b9de7f63/src/SourceLocator/Type/Composer/Factory/MakeLocatorForComposerJson.php (usage example in https://github.com/Roave/BackwardCompatibilityCheck/blob/d1175788acc330a8a02e92267247f9734e4ca04f/src/LocateSources/LocateSourcesViaComposerJson.php)

[Ocramius]

If this is about solving the problem of having to include the autoloader, then let's please go with BetterReflection, which includes abstractions to figure out where things are 👍

If this is about having a configurable autoloader path, then I'd be 👎 for it, because it adds a lot of un-needed complexity, whereas simplifying the autoload setup is less effort and less maintenance.

[guillaume-perreal]

MakeLocatorForComposerJson seems to be the right tool. I'll give it a try. Thanks for the pointer.

[guillaume-perreal]

@Ocramius any comment on this ?

[Ocramius]

Haven't had time to check most of OSS work, sorry Marco Pivetta http://twitter.com/Ocramius http://ocramius.github.com/

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[DanielBadura]

I would like to see this feature 👍

Can i somehow help here out @Ocramius?
There was already one attempt to implement the same feature #91 but there the autoloader was used to get it done. But i like the AST approach via BetterReflection alot.
This PR needs a rebase for sure.

[Ocramius]

@DanielBadura since we now support "php": "^8", beware that you will have to wait until roave/better-reflection is tagged with PHP 8 support for a potential merge of such a feature.

In newer versions of BetterReflection, I added support for composer.json and installed.json scanning, which I use in:

• https://github.com/Roave/BackwardCompatibilityCheck/blob/7917779c5ccc3df603c41a90146af113c5429a9f/src/LocateSources/LocateSourcesViaComposerJson.php#L22-L23
• https://github.com/Roave/BackwardCompatibilityCheck/blob/7917779c5ccc3df603c41a90146af113c5429a9f/src/LocateDependencies/LocateDependenciesViaComposer.php#L57-L59

[DanielBadura]

Alright, tryin then my best over there 🚀