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Replace compiler's persistent maps with ours
With one left in TODO: org.jetbrains.kotlin.incremental.LookupStorage which requires more works.
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common-util/src/main/kotlin/com/google/devtools/ksp/PersistentMap.kt
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package com.google.devtools.ksp | ||
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import com.intellij.util.io.DataExternalizer | ||
import com.intellij.util.io.IOUtil | ||
import com.intellij.util.io.KeyDescriptor | ||
import com.intellij.util.io.PersistentHashMap | ||
import java.io.DataInput | ||
import java.io.DataInputStream | ||
import java.io.DataOutput | ||
import java.io.File | ||
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abstract class PersistentMap<K, V>( | ||
storageFile: File, | ||
keyDescriptor: KeyDescriptor<K>, | ||
dataExternalizer: DataExternalizer<V> | ||
) : PersistentHashMap<K, V>( | ||
storageFile, | ||
keyDescriptor, | ||
dataExternalizer | ||
) { | ||
val keys: Collection<K> | ||
get() = mutableListOf<K>().also { list -> | ||
this.processKeysWithExistingMapping { key -> list.add(key) } | ||
} | ||
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operator fun set(key: K, value: V) = put(key, value) | ||
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fun clear() { | ||
keys.forEach { | ||
remove(it) | ||
} | ||
} | ||
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fun flush() = force() | ||
} | ||
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object FileKeyDescriptor : KeyDescriptor<File> { | ||
override fun read(input: DataInput): File { | ||
return File(IOUtil.readString(input)) | ||
} | ||
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override fun save(output: DataOutput, value: File) { | ||
IOUtil.writeString(value.path, output) | ||
} | ||
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override fun getHashCode(value: File): Int = value.hashCode() | ||
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override fun isEqual(val1: File, val2: File): Boolean = val1 == val2 | ||
} | ||
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object FileExternalizer : DataExternalizer<File> { | ||
override fun read(input: DataInput): File = File(IOUtil.readString(input)) | ||
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override fun save(output: DataOutput, value: File) { | ||
IOUtil.writeString(value.path, output) | ||
} | ||
} | ||
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class ListExternalizer<T>( | ||
private val elementExternalizer: DataExternalizer<T>, | ||
) : DataExternalizer<List<T>> { | ||
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override fun save(output: DataOutput, value: List<T>) { | ||
value.forEach { elementExternalizer.save(output, it) } | ||
} | ||
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override fun read(input: DataInput): List<T> { | ||
val result = mutableListOf<T>() | ||
val stream = input as DataInputStream | ||
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while (stream.available() > 0) { | ||
result.add(elementExternalizer.read(stream)) | ||
} | ||
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return result | ||
} | ||
} | ||
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class FileToFilesMap( | ||
storageFile: File, | ||
) : PersistentMap<File, List<File>>( | ||
storageFile, | ||
FileKeyDescriptor, | ||
ListExternalizer(FileExternalizer) | ||
) |
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