Ktlint autoformat fails with KtOperationReferenceExpression cannot be cast to LeafPsiElement

[vanniktech]

This is the stacktrace I'm getting with 0.23.0:

com.github.shyiko.ktlint.core.RuleExecutionException: java.lang.ClassCastException: org.jetbrains.kotlin.psi.KtOperationReferenceExpression cannot be cast to org.jetbrains.kotlin.com.intellij.psi.impl.source.tree.LeafPsiElement
        at com.github.shyiko.ktlint.core.KtLint$format$1.invoke(KtLint.kt:345)
        at com.github.shyiko.ktlint.core.KtLint$format$1.invoke(KtLint.kt:36)
        at com.github.shyiko.ktlint.core.KtLint$visitor$2$2.invoke(KtLint.kt:207)
        at com.github.shyiko.ktlint.core.KtLint$visitor$2$2.invoke(KtLint.kt:36)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:487)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.visit(KtLint.kt:488)
        at com.github.shyiko.ktlint.core.KtLint.access$visit(KtLint.kt:36)
        at com.github.shyiko.ktlint.core.KtLint$visitor$2.invoke(KtLint.kt:206)
        at com.github.shyiko.ktlint.core.KtLint$visitor$2.invoke(KtLint.kt:36)
        at com.github.shyiko.ktlint.core.KtLint.format(KtLint.kt:328)
        at com.github.shyiko.ktlint.core.KtLint.format(KtLint.kt:279)
        at com.github.shyiko.ktlint.Main.format(Main.kt:639)
        at com.github.shyiko.ktlint.Main.access$format(Main.kt:84)
        at com.github.shyiko.ktlint.Main$main$2.invoke(Main.kt:286)
        at com.github.shyiko.ktlint.Main$main$5$1.call(Main.kt:334)
        at com.github.shyiko.ktlint.Main$main$5$1.call(Main.kt:84)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassCastException: org.jetbrains.kotlin.psi.KtOperationReferenceExpression cannot be cast to org.jetbrains.kotlin.com.intellij.psi.impl.source.tree.LeafPsiElement
        at com.github.shyiko.ktlint.ruleset.standard.PackageKt.nextLeaf(package.kt:14)
        at com.github.shyiko.ktlint.ruleset.standard.IndentationRule.previousIndentSize(IndentationRule.kt:67)
        at com.github.shyiko.ktlint.ruleset.standard.IndentationRule.visit(IndentationRule.kt:34)
        at com.github.shyiko.ktlint.core.KtLint$format$1.invoke(KtLint.kt:333)
        ... 29 more

Unfortunately I can't share the source code and can't break it down to a minimal example.

[shyiko]

Hey Niklas. Can you please try latest 0.0.0-SNAPSHOT?

[vanniktech]

Yup it no longer crashes. Hence will close.

[shyiko]

0.23.1 deployed to Maven Central.