On Thu, 3 Apr 2025 18:12:54 GMT, Jan Lahoda <jlah...@openjdk.org> wrote:

>> The `java.io.Console` has several backends: a simple on in `java.base`, a 
>> more convenient one in `jdk.internal.le` (with line-reading based on JLine) 
>> and one for JShell.
>> 
>> The backend based on JLine is proving to be a somewhat problematic - JLine 
>> is very powerful, possibly too powerful and complex for the simple task of 
>> editing a line with no completion, no history, no variables, no commands, 
>> etc. As a consequence, there are inevitable sharp edges in this backend.
>> 
>> The idea in this PR is to replace the use of JLine in the `jdk.internal.le` 
>> backend with a simple escape code interpreter, that only handles a handful 
>> of keys/codes (left/right arrow, home, end, delete, backspace, enter), and 
>> ignores the rest. The goal is to have something simple with less surprising 
>> behavior.
>
> Jan Lahoda has updated the pull request with a new target base due to a merge 
> or a rebase. The pull request now contains six commits:
> 
>  - Merge branch 'master' into JDK-8352693
>  - Using control characters to get backspace control character.
>  - If there's no native library available, fall back to the standard provider.
>  - Reflecting review feedback.
>  - Removing trailing whitespace
>  - 8352693: Use a simpler console reader instead of JLine for System.console()

make/modules/jdk.internal.le/Lib.gmk line 31:

> 29: 
> 30: ifeq ($(call isTargetOs, linux macosx windows), true)
> 31: 

Can you please insert the standardized header we use for native libraries? 
(These are extremely helpful to find/locate where certain libraries are built, 
since there is no existing proper IDE support for makefiles.)

Suggestion:

  ##############################################################################
  ## Build lible
  ##############################################################################

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/24242#discussion_r2028914120

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