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/*
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.load.java
import org.jetbrains.kotlin.load.kotlin.SignatureBuildingComponents
import org.jetbrains.kotlin.load.kotlin.signatures
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.jvm.JvmPrimitiveType
open class SpecialGenericSignatures {
enum class TypeSafeBarrierDescription(val defaultValue: Any?) {
NULL(null), INDEX(-1), FALSE(false),
MAP_GET_OR_DEFAULT(null) {
override fun checkParameter(index: Int) = index != 1
};
open fun checkParameter(index: Int) = true
}
enum class SpecialSignatureInfo(val valueParametersSignature: String?, val isObjectReplacedWithTypeParameter: Boolean) {
ONE_COLLECTION_PARAMETER("Ljava/util/Collection<+Ljava/lang/Object;>;", false),
OBJECT_PARAMETER_NON_GENERIC(null, true),
OBJECT_PARAMETER_GENERIC("Ljava/lang/Object;", true)
}
companion object {
fun getSpecialSignatureInfo(builtinSignature: String): SpecialSignatureInfo {
if (builtinSignature in ERASED_COLLECTION_PARAMETER_SIGNATURES) return SpecialSignatureInfo.ONE_COLLECTION_PARAMETER
val defaultValue = SIGNATURE_TO_DEFAULT_VALUES_MAP.getValue(builtinSignature)
return if (defaultValue == TypeSafeBarrierDescription.NULL) {
// return type is some generic type as 'Map.get'
SpecialSignatureInfo.OBJECT_PARAMETER_GENERIC
} else
SpecialSignatureInfo.OBJECT_PARAMETER_NON_GENERIC
}
data class NameAndSignature internal constructor(val name: Name, val signature: String)
private fun String.method(name: String, parameters: String, returnType: String) =
NameAndSignature(
Name.identifier(name),
SignatureBuildingComponents.signature(this@method, "$name($parameters)$returnType")
)
private val ERASED_COLLECTION_PARAMETER_NAME_AND_SIGNATURES = setOf(
"containsAll", "removeAll", "retainAll"
).map { "java/util/Collection".method(it, "Ljava/util/Collection;", JvmPrimitiveType.BOOLEAN.desc) }
val ERASED_COLLECTION_PARAMETER_SIGNATURES = ERASED_COLLECTION_PARAMETER_NAME_AND_SIGNATURES.map { it.signature }
val ERASED_COLLECTION_PARAMETER_NAMES = ERASED_COLLECTION_PARAMETER_NAME_AND_SIGNATURES.map { it.name.asString() }
private val GENERIC_PARAMETERS_METHODS_TO_DEFAULT_VALUES_MAP =
signatures {
mapOf(
javaUtil("Collection")
.method("contains", "Ljava/lang/Object;", JvmPrimitiveType.BOOLEAN.desc) to TypeSafeBarrierDescription.FALSE,
javaUtil("Collection")
.method("remove", "Ljava/lang/Object;", JvmPrimitiveType.BOOLEAN.desc) to TypeSafeBarrierDescription.FALSE,
javaUtil("Map")
.method("containsKey", "Ljava/lang/Object;", JvmPrimitiveType.BOOLEAN.desc) to TypeSafeBarrierDescription.FALSE,
javaUtil("Map")
.method("containsValue", "Ljava/lang/Object;", JvmPrimitiveType.BOOLEAN.desc) to TypeSafeBarrierDescription.FALSE,
javaUtil("Map")
.method(
"remove", "Ljava/lang/Object;Ljava/lang/Object;",
JvmPrimitiveType.BOOLEAN.desc
) to TypeSafeBarrierDescription.FALSE,
javaUtil("Map")
.method(
"getOrDefault", "Ljava/lang/Object;Ljava/lang/Object;",
"Ljava/lang/Object;"
) to TypeSafeBarrierDescription.MAP_GET_OR_DEFAULT,
javaUtil("Map")
.method("get", "Ljava/lang/Object;", "Ljava/lang/Object;") to TypeSafeBarrierDescription.NULL,
javaUtil("Map")
.method("remove", "Ljava/lang/Object;", "Ljava/lang/Object;") to TypeSafeBarrierDescription.NULL,
javaUtil("List")
.method("indexOf", "Ljava/lang/Object;", JvmPrimitiveType.INT.desc) to TypeSafeBarrierDescription.INDEX,
javaUtil("List")
.method("lastIndexOf", "Ljava/lang/Object;", JvmPrimitiveType.INT.desc) to TypeSafeBarrierDescription.INDEX
)
}
val SIGNATURE_TO_DEFAULT_VALUES_MAP = GENERIC_PARAMETERS_METHODS_TO_DEFAULT_VALUES_MAP.mapKeys { it.key.signature }
val ERASED_VALUE_PARAMETERS_SHORT_NAMES: Set
val ERASED_VALUE_PARAMETERS_SIGNATURES: Set
init {
val allMethods = GENERIC_PARAMETERS_METHODS_TO_DEFAULT_VALUES_MAP.keys + ERASED_COLLECTION_PARAMETER_NAME_AND_SIGNATURES
ERASED_VALUE_PARAMETERS_SHORT_NAMES = allMethods.map { it.name }.toSet()
ERASED_VALUE_PARAMETERS_SIGNATURES = allMethods.map { it.signature }.toSet()
}
// Note that signatures here are not real,
// e.g. 'java/lang/CharSequence.get(I)C' does not actually exist in JDK
// But it doesn't matter here, because signatures are only used to distinguish overloaded built-in definitions
val REMOVE_AT_NAME_AND_SIGNATURE =
"java/util/List".method("removeAt", JvmPrimitiveType.INT.desc, "Ljava/lang/Object;")
private val NAME_AND_SIGNATURE_TO_JVM_REPRESENTATION_NAME_MAP: Map = signatures {
mapOf(
javaLang("Number").method("toByte", "", JvmPrimitiveType.BYTE.desc) to Name.identifier("byteValue"),
javaLang("Number").method("toShort", "", JvmPrimitiveType.SHORT.desc) to Name.identifier("shortValue"),
javaLang("Number").method("toInt", "", JvmPrimitiveType.INT.desc) to Name.identifier("intValue"),
javaLang("Number").method("toLong", "", JvmPrimitiveType.LONG.desc) to Name.identifier("longValue"),
javaLang("Number").method("toFloat", "", JvmPrimitiveType.FLOAT.desc) to Name.identifier("floatValue"),
javaLang("Number").method("toDouble", "", JvmPrimitiveType.DOUBLE.desc) to Name.identifier("doubleValue"),
REMOVE_AT_NAME_AND_SIGNATURE to Name.identifier("remove"),
javaLang("CharSequence")
.method("get", JvmPrimitiveType.INT.desc, JvmPrimitiveType.CHAR.desc) to Name.identifier("charAt")
)
}
val SIGNATURE_TO_JVM_REPRESENTATION_NAME: Map =
NAME_AND_SIGNATURE_TO_JVM_REPRESENTATION_NAME_MAP.mapKeys { it.key.signature }
val ORIGINAL_SHORT_NAMES: List = NAME_AND_SIGNATURE_TO_JVM_REPRESENTATION_NAME_MAP.keys.map { it.name }
val JVM_SHORT_NAME_TO_BUILTIN_SHORT_NAMES_MAP: Map> =
NAME_AND_SIGNATURE_TO_JVM_REPRESENTATION_NAME_MAP.entries
.map { Pair(it.key.name, it.value) }
.groupBy({ it.second }, { it.first })
}
}
