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ileasile/classloader-graphs.ipynb

Created August 7, 2025 00:19
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classloader-graphs.ipynb
{
"cells" : [ {
"cell_type" : "code",
"metadata" : {
"collapsed" : true,
"ExecuteTime" : {
"end_time" : "2025-08-07T00:13:36.589463Z",
"start_time" : "2025-08-07T00:13:28.866780Z"
}
},
"source" : "%use intellij-platform(0.0.3-4-SNAPSHOT)",
"id" : "76a9992435b1b5b4",
"outputs" : [ {
"data" : {
"text/plain" : [ "IntelliJ Platform integration is loaded" ]
},
"metadata" : { },
"output_type" : "display_data",
"jetTransient" : {
"display_id" : null
}
} ],
"execution_count" : 1
}, {
"metadata" : {
"ExecuteTime" : {
"end_time" : "2025-08-07T00:14:07.515772Z",
"start_time" : "2025-08-07T00:14:04.645629Z"
}
},
"cell_type" : "code",
"source" : [ "USE {\n", " dependencies {\n", " implementation(\"org.graalvm.js:js:21.3.12\")\n", " implementation(\"guru.nidi:graphviz-java-all-j2v8:0.18.1\")\n", " }\n", "}" ],
"id" : "739a3ba6f08e8a77",
"outputs" : [ ],
"execution_count" : 3
}, {
"metadata" : {
"ExecuteTime" : {
"end_time" : "2025-08-07T00:14:21.310509Z",
"start_time" : "2025-08-07T00:14:21.245131Z"
}
},
"cell_type" : "code",
"source" : [ "import guru.nidi.graphviz.engine.Format\n", "import guru.nidi.graphviz.engine.Graphviz\n", "\n", "USE {\n", " render<Graphviz> {\n", " it.render(Format.SVG)\n", " .toString()\n", " .let { svgText ->\n", " MIME(\"image/svg+xml\" to svgText)\n", " }\n", " }\n", "}" ],
"id" : "8911100deffa37cd",
"outputs" : [ ],
"execution_count" : 4
}, {
"metadata" : {
"ExecuteTime" : {
"end_time" : "2025-08-07T00:15:33.336940Z",
"start_time" : "2025-08-07T00:15:33.077220Z"
}
},
"cell_type" : "code",
"source" : [ "fun <T> drawGraph(\n", " nodes: List<T>,\n", " getParents: (T) -> List<T>,\n", "): Graphviz {\n", " val nodeIndices = nodes.withIndex().associate { it.value to it.index }\n", " val sb = StringBuilder()\n", " sb.appendLine(\"digraph G {\")\n", "\n", " for ((childIndex, child) in nodes.withIndex()) {\n", " for (parent in getParents(child)) {\n", " val parentIndex = nodeIndices[parent]\n", " if (parentIndex != null) {\n", " sb.appendLine(\" $childIndex -> $parentIndex;\")\n", " }\n", " }\n", " }\n", "\n", " sb.appendLine(\"}\")\n", " return Graphviz.fromString(sb.toString())\n", "}" ],
"id" : "646fdc710ed82c7b",
"outputs" : [ ],
"execution_count" : 5
}, {
"metadata" : {
"ExecuteTime" : {
"end_time" : "2025-08-07T00:15:59.228842Z",
"start_time" : "2025-08-07T00:15:59.132508Z"
}
},
"cell_type" : "code",
"source" : [ "import com.intellij.ide.plugins.cl.PluginClassLoader\n", "\n", "fun getParents(classLoader: ClassLoader): List<ClassLoader> {\n", " val allParents = when {\n", " classLoader is PluginClassLoader -> classLoader.getAllParentsClassLoaders().toList()\n", " else -> generateSequence(classLoader.parent) { it.parent }.toList()\n", " }\n", "\n", " return allParents.filterNot { it === classLoader }\n", "}" ],
"id" : "60bf2794b8b8fcc1",
"outputs" : [ ],
"execution_count" : 6
}, {
"metadata" : {
"ExecuteTime" : {
"end_time" : "2025-08-07T00:13:39.260826Z",
"start_time" : "2025-08-07T00:13:39.149514Z"
}
},
"cell_type" : "code",
"source" : [ "import com.intellij.openapi.extensions.PluginId\n", "\n", "val propPlugin = pluginManager.findEnabledPlugin(PluginId.getId(\"com.intellij.properties\"))" ],
"id" : "4efe5da3c0ffaeee",
"outputs" : [ ],
"execution_count" : 2
}, {
"metadata" : {
"ExecuteTime" : {
"end_time" : "2025-08-07T00:17:05.859704Z",
"start_time" : "2025-08-07T00:17:05.711743Z"
}
},
"cell_type" : "code",
"source" : [ "import com.intellij.ide.plugins.PluginMainDescriptor\n", "\n", "val classLoaders = propPlugin.let { plugin ->\n", " plugin as PluginMainDescriptor\n", " plugin.content.modules\n", " .map { it.descriptor.classLoader } + listOf(plugin.classLoader)\n", "}\n", "\n", "val allClassLoaders = classLoaders.flatMap { getParents(it) + it }" ],
"id" : "aadfa71595895bd3",
"outputs" : [ ],
"execution_count" : 7
}, {
"metadata" : {
"ExecuteTime" : {
"end_time" : "2025-08-07T00:17:54.479433Z",
"start_time" : "2025-08-07T00:17:46.155229Z"
}
},
"cell_type" : "code",
"source" : "drawGraph(allClassLoaders, ::getParents)",
"id" : "f8a87ed529c8e4ff",
"outputs" : [ {
"data" : {
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