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[kotlin][debugger] Introduce Kotin class metadata helper #2951
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[kotlin][debugger] Introduce Kotin class metadata helper #2951
nikita-nazarov
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Kotlin compiler stores meta information about every class in the `kotlin.Metadata` annotation. Unfortunately, there is no way to fetch this annotation using plain JDI interface, because unlike method information, class annotations are not exposed to the debugger. This commit adds a helper class that allows fetching `kotlin.Metadata` of a specific class as a JSON string.
nikita-nazarov
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Feb 20, 2025
...ugger/core/src/org/jetbrains/kotlin/idea/debugger/core/KotlinMetadataDebuggerCacheService.kt
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zuevmaxim
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Feb 21, 2025
zuevmaxim
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.../jvm-debugger/core/src/org/jetbrains/kotlin/idea/debugger/core/render/KotlinClassRenderer.kt
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...ugger/core/src/org/jetbrains/kotlin/idea/debugger/core/KotlinMetadataDebuggerCacheService.kt
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I'll dig into details on Monday. In general, it looks great! Thank you!
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zuevmaxim
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java/java-runtime/src/com/intellij/rt/debugger/MetadataDebugHelper.java
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plugins/kotlin/jvm-debugger/test/testData/stepping/packets/evaluatableGetters.out
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Previously, filtering of evaluatable getters in variables view relied on bytecode inspections. Because of this, in some cases incorrect getters were shown, and also filtering was disabled completely in Android Studio.
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Related issue: https://youtrack.jetbrains.com/issue/IDEA-357870
This pull requests introduces
MetadataDebugHelper
- a helper class that allows fetching Kotlin class metadata in the debugger.Also, "evaluatable getters" filtering is reimplemented using the mentioned helper class. Unfortunately the new implementation of filtering is slower than the previous one that relied on bytecode inspections:
However, at the same time the new implementation allows the debugger to filter out getters like:
Which were previously shown. And show getters like:
Which were previously filtered out.