support `JEP 476: Module Import Declarations`

[xuwei-k]

Compiler version

• 3.3.3
• 3.4.2
• 3.5.0-RC1
• 3.5.1-RC1-bin-20240606-27a3f80-NIGHTLY

Minimized code

$ java --version
openjdk 23-ea 2024-09-17
OpenJDK Runtime Environment (build 23-ea+25-2094)
OpenJDK 64-Bit Server VM (build 23-ea+25-2094, mixed mode, sharing)

B.scala

class B

A.java

import module java.base;

public class A {
}

build.sbt

javacOptions ++= Seq("--enable-preview", "--release", scala.util.Properties.javaSpecVersion)

scalaVersion := "3.5.0-RC1"

project/build.properties

sbt.version=1.10.0

Output

[error] -- Error: /my-example-project/A.java:1:14 ------------------
[error] 1 |import module java.base;
[error]   |              ^^^^
[error]   |              ';' expected but identifier found.
[error] one error found
[error] (Compile / compileIncremental) Compilation failed

Expectation

don't report error

note

• Scala 2.13.14 has same issue support JEP 476: Module Import Declarations in JavaParsers bug#13005
• https://openjdk.org/jeps/476

[He-Pin]

Yes more changes in JDK23: https://openjdk.org/projects/jdk/23/

[xuwei-k]

finalized in JDK 25

• https://openjdk.org/jeps/511
• 8344708: Implement JEP 511: Module Import Declarations openjdk/jdk#23801