On Thu, 1 May 2025 00:01:08 GMT, Chen Liang <[email protected]> wrote:
> As another step toward the removal of the old generics infrastructure, I
> propose to remove the usages of generic parsing utilities and use the
> facilities provided by BytecodeDescriptor, already used by
> MethodType.fromDescriptorString. This also prevents extra validation cost in
> use sites to defend against generic types.
>
> In this patch, BytecodeDescriptor and Wrapper see minor updates, mainly for
> better exception messages - previously, an unparseable char in the descriptor
> string just reports that char, and now the whole descriptor string is
> reported.
>
> These behaviors are already covered by the tests added in JDK-8350704 #23788.
>
> Testing: reflect/annotation/Class, running tier 1+2
src/java.base/share/classes/sun/invoke/util/BytecodeDescriptor.java line 48:
> 46: int[] i = {0};
> 47: var ret = parseSig(descriptor, i, descriptor.length(), loader);
> 48: if (i[0] != descriptor.length() || ret == null) {
var ret = parseSig(descriptor, new int[] {0}, descriptor.length(), loader);
if (descriptor.length() != 0 || ret == null) {
Can it be rewritten like this?
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PR Review Comment: https://git.openjdk.org/jdk/pull/24978#discussion_r2071109091