RFR: 8177650: JShell tool: packages in classpath don't appear in completions

[Christian Stein]

On Fri, 4 Jul 2025 17:32:38 GMT, Jan Lahoda <jlahoda at openjdk.org> wrote:

> JShell provides the code completion feature, where it suggests possible follow ups for a given snippet prefix. To allow completion for packages, JShell uses a background task to go through known classes and create an index for them.
> 
> There are two problems with this background task:
> - the classpath is read from the JShell's FileManager, but the FileManager may not be configured with the compile options yet, so the classpath may not be filled yet,
> - the module path is not included in the list of paths to paths to search
> 
> This PR proposes to:
> - use FileManager configured by passing the compile options through javac
> - include the module path in the search path

Marked as reviewed by cstein (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/26137#pullrequestreview-2993653306