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Kotlin: specialise extension receivers the same as other function parameters

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This arises when a generic class extends one of its parameters; for example, `class G<T> { val T.v; get() = 1 }`, where specialisation `G<List>` should generate a method specialisation `getV(List)`.
This commit is contained in:
Chris Smowton
2022-10-27 18:29:36 +01:00
parent 19b7e9ebc7
commit 45a4cd89a6
6 changed files with 34 additions and 11 deletions
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16
java/kotlin-extractor/src/main/kotlin/KotlinFileExtractor.kt
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@@ -1188,22 +1188,16 @@ open class KotlinFileExtractor(
id
val extReceiver = f.extensionReceiverParameter
val idxOffset = if (extReceiver != null) 1 else 0
val fParameters = overriddenAttributes?.valueParameters ?: f.valueParameters
val fParameters = (overriddenAttributes?.valueParameters ?: f.valueParameters) + listOfNotNull(extReceiver)
val paramTypes = fParameters.mapIndexed { i, vp ->
extractValueParameter(vp, id, i + idxOffset, typeSubstitution, sourceDeclaration, classTypeArgsIncludingOuterClasses, extractTypeAccess = extractMethodAndParameterTypeAccesses, overriddenAttributes?.sourceLoc)
extractValueParameter(vp, id, i, typeSubstitution, sourceDeclaration, classTypeArgsIncludingOuterClasses, extractTypeAccess = extractMethodAndParameterTypeAccesses, overriddenAttributes?.sourceLoc)
}
val allParamTypes = if (extReceiver != null) {
val extendedType = useType(extReceiver.type)
if (extReceiver != null) {
val extendedType = paramTypes[0]
tw.writeKtExtensionFunctions(id.cast<DbMethod>(), extendedType.javaResult.id, extendedType.kotlinResult.id)
val t = extractValueParameter(extReceiver, id, 0, null, sourceDeclaration, classTypeArgsIncludingOuterClasses, extractTypeAccess = extractMethodAndParameterTypeAccesses, overriddenAttributes?.sourceLoc)
listOf(t) + paramTypes
} else {
paramTypes
}
val paramsSignature = allParamTypes.joinToString(separator = ",", prefix = "(", postfix = ")") { signatureOrWarn(it.javaResult, f) }
val paramsSignature = paramTypes.joinToString(separator = ",", prefix = "(", postfix = ")") { signatureOrWarn(it.javaResult, f) }
val adjustedReturnType = addJavaLoweringWildcards(getAdjustedReturnType(f), false, (javaCallable as? JavaMethod)?.returnType)
val substReturnType = typeSubstitution?.let { it(adjustedReturnType, TypeContext.RETURN, pluginContext) } ?: adjustedReturnType