On Thu, 16 Feb 2023 10:41:33 GMT, Adam Sotona <asot...@openjdk.org> wrote:
>> This is root pull request with Classfile API implementation, tests and >> benchmarks initial drop into JDK. >> >> Following pull requests consolidating JDK class files parsing, generating, >> and transforming >> ([JDK-8294957](https://bugs.openjdk.org/browse/JDK-8294957)) will chain to >> this one. >> >> Classfile API development is tracked at: >> https://github.com/openjdk/jdk-sandbox/tree/classfile-api-branch >> >> Development branch of consolidated JDK class files parsing, generating, and >> transforming is at: >> https://github.com/openjdk/jdk-sandbox/tree/classfile-api-dev-branch >> >> Classfile API [JEP](https://bugs.openjdk.org/browse/JDK-8280389) and [online >> API >> documentation](https://htmlpreview.github.io/?https://raw.githubusercontent.com/openjdk/jdk-sandbox/classfile-api-javadoc-branch/doc/classfile-api/javadoc/java.base/jdk/internal/classfile/package-summary.html) >> is also available. >> >> Please take you time to review this non-trivial JDK addition. >> >> Thank you, >> Adam > > Adam Sotona has updated the pull request incrementally with one additional > commit since the last revision: > > added 4-byte Unicode text to Utf8EntryTest src/java.base/share/classes/jdk/internal/classfile/constantpool/ConstantPoolBuilder.java line 96: > 94: * @param <T> the type of the option value > 95: */ > 96: <T> T optionValue(Classfile.Option.Key option); This unconstrained type parameter will result in and implicit conversion to any type that the caller assigns it to, which might result in a `ClassCastException` if the caller gets the type wrong. Is that intentional? Alternative solutions: * Convert `Key` to an ordinary class or sealed interface, and add a type parameter to it, for the value type. * Add a parameter the the method of type `Class<T>`. ------------- PR: https://git.openjdk.org/jdk/pull/10982