It is irritating that one is a type descriptor and one is a signature, but we can launder that by observing that both are Utf8Entry.

On 6/29/2023 9:53 AM, Chen Liang wrote:
On Thu, 29 Jun 2023 13:41:17 GMT, Brian Goetz<briango...@openjdk.org>  wrote:

`LocalVariable` and `LocalVariableType` includes `writeTo(BufWriter)`, which 
should be implementation details.

Seehttps://mail.openjdk.org/pipermail/classfile-api-dev/2023-June/000381.html  
for context.

This patch moves the implementation to `DirectCodeBuilder`'s original use 
sites; the old `b.canWriteDirect` branch   is redundant, as `writeIndex`'s 
implementation already performs such an optimization.
src/java.base/share/classes/jdk/internal/classfile/impl/DirectCodeBuilder.java 
line 280:

278:                             b.writeIndex(l.name());
279:                             b.writeIndex(l.type());
280:                             b.writeU2(l.slot());
This idiom is repeated four times; seems like it can be factored somewhere into 
a helper?
Good idea. The same routine is used in attribute mapper for the two tables, 
which could be factored as well.

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PR Review Comment:https://git.openjdk.org/jdk/pull/14705#discussion_r1246652541

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