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org.jetbrains.kotlin.fir.deserialization.FirConstDeserializer.kt Maven / Gradle / Ivy
/*
* 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.fir.deserialization
import org.jetbrains.kotlin.fir.FirSession
import org.jetbrains.kotlin.fir.expressions.FirExpression
import org.jetbrains.kotlin.fir.expressions.builder.buildConstExpression
import org.jetbrains.kotlin.name.CallableId
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.deserialization.Flags
import org.jetbrains.kotlin.metadata.deserialization.NameResolver
import org.jetbrains.kotlin.metadata.deserialization.getExtensionOrNull
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.serialization.deserialization.builtins.BuiltInSerializerProtocol
import org.jetbrains.kotlin.types.ConstantValueKind
open class FirConstDeserializer(
val session: FirSession
) {
protected val constantCache = mutableMapOf()
open fun loadConstant(propertyProto: ProtoBuf.Property, callableId: CallableId, nameResolver: NameResolver): FirExpression? {
if (!Flags.HAS_CONSTANT.get(propertyProto.flags)) return null
constantCache[callableId]?.let { return it }
val value = propertyProto.getExtensionOrNull(BuiltInSerializerProtocol.compileTimeValue) ?: return null
return buildFirConstant(value, null, value.type.name, nameResolver)?.also { constantCache[callableId] = it }
}
}
fun buildFirConstant(
protoValue: ProtoBuf.Annotation.Argument.Value?, sourceValue: Any?, constKind: String, nameResolver: NameResolver
): FirExpression? {
return when (constKind) {
"BYTE", "B" -> buildConstExpression(null, ConstantValueKind.Byte, ((protoValue?.intValue ?: sourceValue) as Number).toByte())
"CHAR", "C" -> buildConstExpression(null, ConstantValueKind.Char, ((protoValue?.intValue ?: sourceValue) as Number).toInt().toChar())
"SHORT", "S" -> buildConstExpression(null, ConstantValueKind.Short, ((protoValue?.intValue ?: sourceValue) as Number).toShort())
"INT", "I" -> buildConstExpression(null, ConstantValueKind.Int, protoValue?.intValue?.toInt() ?: sourceValue as Int)
"LONG", "J" -> buildConstExpression(null, ConstantValueKind.Long, protoValue?.intValue ?: sourceValue as Long)
"FLOAT", "F" -> buildConstExpression(null, ConstantValueKind.Float, protoValue?.floatValue ?: sourceValue as Float)
"DOUBLE", "D" -> buildConstExpression(null, ConstantValueKind.Double, protoValue?.doubleValue ?: sourceValue as Double)
"BOOLEAN", "Z" -> buildConstExpression(null, ConstantValueKind.Boolean, (protoValue?.intValue?.toInt() ?: sourceValue) != 0)
"STRING", "Ljava/lang/String;" -> buildConstExpression(
null, ConstantValueKind.String, protoValue?.stringValue?.let { nameResolver.getString(it) } ?: sourceValue as String
)
else -> null
}
}
fun CallableId.replaceName(newName: Name): CallableId {
return CallableId(this.packageName, this.className, newName)
}