/*
 * Copyright 2010-2016 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jetbrains.kotlin.extensions

import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.psi.KtModifierListOwner
import org.jetbrains.kotlin.resolve.BindingContext

interface DeclarationAttributeAltererExtension {
    companion object : ProjectExtensionDescriptor<DeclarationAttributeAltererExtension>(
        "org.jetbrains.kotlin.declarationAttributeAltererExtension",
        DeclarationAttributeAltererExtension::class.java
    )

    /**
     * Returns the new modality for the [declaration], or null if the [currentModality] is good enough.
     */
    fun refineDeclarationModality(
        modifierListOwner: KtModifierListOwner,
        declaration: DeclarationDescriptor?,
        containingDeclaration: DeclarationDescriptor?,
        currentModality: Modality,
        isImplicitModality: Boolean
    ): Modality? = null

    @Deprecated(
        "Use refineDeclarationModality(modifierListOwner, declaration, containingDeclaration, currentModality, bindingContext, isImplicitModality)",
        ReplaceWith("refineDeclarationModality(modifierListOwner, declaration, containingDeclaration, currentModality, bindingContext, false)")
    )
    fun refineDeclarationModality(
        modifierListOwner: KtModifierListOwner,
        declaration: DeclarationDescriptor?,
        containingDeclaration: DeclarationDescriptor?,
        currentModality: Modality
    ): Modality? {
        return refineDeclarationModality(modifierListOwner, declaration, containingDeclaration, currentModality, false)
    }

    fun shouldConvertFirstSAMParameterToReceiver(function: FunctionDescriptor): Boolean = false
}