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// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.kotlin.idea.decompiler.stubBuilder.flags
import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
import org.jetbrains.kotlin.lexer.KtToken
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.deserialization.Flags
abstract class FlagsToModifiers {
abstract fun getModifiers(flags: Int): KtModifierKeywordToken?
}
val MODALITY: FlagsToModifiers = object : FlagsToModifiers() {
override fun getModifiers(flags: Int): KtModifierKeywordToken {
val modality = Flags.MODALITY.get(flags)
return when (modality) {
ProtoBuf.Modality.ABSTRACT -> KtTokens.ABSTRACT_KEYWORD
ProtoBuf.Modality.FINAL -> KtTokens.FINAL_KEYWORD
ProtoBuf.Modality.OPEN -> KtTokens.OPEN_KEYWORD
ProtoBuf.Modality.SEALED -> KtTokens.SEALED_KEYWORD
null -> throw IllegalStateException("Unexpected modality: null")
}
}
}
val VISIBILITY: FlagsToModifiers = object : FlagsToModifiers() {
override fun getModifiers(flags: Int): KtModifierKeywordToken? {
val visibility = Flags.VISIBILITY.get(flags)
return when (visibility) {
ProtoBuf.Visibility.PRIVATE, ProtoBuf.Visibility.PRIVATE_TO_THIS -> KtTokens.PRIVATE_KEYWORD
ProtoBuf.Visibility.INTERNAL -> KtTokens.INTERNAL_KEYWORD
ProtoBuf.Visibility.PROTECTED -> KtTokens.PROTECTED_KEYWORD
ProtoBuf.Visibility.PUBLIC -> KtTokens.PUBLIC_KEYWORD
else -> throw IllegalStateException("Unexpected visibility: $visibility")
}
}
}
val INNER = createBooleanFlagToModifier(Flags.IS_INNER, KtTokens.INNER_KEYWORD)
val CONST = createBooleanFlagToModifier(Flags.IS_CONST, KtTokens.CONST_KEYWORD)
val LATEINIT = createBooleanFlagToModifier(Flags.IS_LATEINIT, KtTokens.LATEINIT_KEYWORD)
val OPERATOR = createBooleanFlagToModifier(Flags.IS_OPERATOR, KtTokens.OPERATOR_KEYWORD)
val INFIX = createBooleanFlagToModifier(Flags.IS_INFIX, KtTokens.INFIX_KEYWORD)
val DATA = createBooleanFlagToModifier(Flags.IS_DATA, KtTokens.DATA_KEYWORD)
val EXTERNAL_FUN = createBooleanFlagToModifier(Flags.IS_EXTERNAL_FUNCTION, KtTokens.EXTERNAL_KEYWORD)
val EXTERNAL_PROPERTY = createBooleanFlagToModifier(Flags.IS_EXTERNAL_PROPERTY, KtTokens.EXTERNAL_KEYWORD)
val EXTERNAL_CLASS = createBooleanFlagToModifier(Flags.IS_EXTERNAL_CLASS, KtTokens.EXTERNAL_KEYWORD)
val INLINE = createBooleanFlagToModifier(Flags.IS_INLINE, KtTokens.INLINE_KEYWORD)
val VALUE_CLASS = createBooleanFlagToModifier(Flags.IS_INLINE_CLASS, KtTokens.VALUE_KEYWORD)
val FUN_INTERFACE = createBooleanFlagToModifier(Flags.IS_FUN_INTERFACE, KtTokens.FUN_KEYWORD)
val TAILREC = createBooleanFlagToModifier(Flags.IS_TAILREC, KtTokens.TAILREC_KEYWORD)
val SUSPEND = createBooleanFlagToModifier(Flags.IS_SUSPEND, KtTokens.SUSPEND_KEYWORD)
private fun createBooleanFlagToModifier(
flagField: Flags.BooleanFlagField, ktModifierKeywordToken: KtModifierKeywordToken
): FlagsToModifiers = BooleanFlagToModifier(flagField, ktModifierKeywordToken)
private class BooleanFlagToModifier(
private val flagField: Flags.BooleanFlagField,
private val ktModifierKeywordToken: KtModifierKeywordToken
) : FlagsToModifiers() {
override fun getModifiers(flags: Int): KtModifierKeywordToken? = if (flagField.get(flags)) ktModifierKeywordToken else null
}
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