org.jetbrains.kotlin.fir.resolve.transformers.TransformUtils.kt Maven / Gradle / Ivy

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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.fir.resolve.transformers

import org.jetbrains.kotlin.fir.FirElement
import org.jetbrains.kotlin.fir.FirFakeSourceElementKind
import org.jetbrains.kotlin.fir.declarations.FirTypedDeclaration
import org.jetbrains.kotlin.fir.declarations.FirValueParameter
import org.jetbrains.kotlin.fir.expressions.*
import org.jetbrains.kotlin.fir.references.*
import org.jetbrains.kotlin.fir.types.*
import org.jetbrains.kotlin.fir.visitors.*

internal object StoreType : FirDefaultTransformer() {
    override fun  transformElement(element: E, data: FirTypeRef): CompositeTransformResult {
        return element.compose()
    }

    override fun transformTypeRef(typeRef: FirTypeRef, data: FirTypeRef): CompositeTransformResult {
        return data.compose()
    }
}

internal object TransformImplicitType : FirDefaultTransformer() {
    override fun  transformElement(element: E, data: FirTypeRef): CompositeTransformResult {
        return element.compose()
    }

    override fun transformImplicitTypeRef(
        implicitTypeRef: FirImplicitTypeRef,
        data: FirTypeRef
    ): CompositeTransformResult {
        return data.compose()
    }
}


internal object StoreNameReference : FirDefaultTransformer() {
    override fun  transformElement(element: E, data: FirNamedReference): CompositeTransformResult {
        return element.compose()
    }

    override fun transformNamedReference(
        namedReference: FirNamedReference,
        data: FirNamedReference
    ): CompositeTransformResult {
        return data.compose()
    }

    override fun transformThisReference(thisReference: FirThisReference, data: FirNamedReference): CompositeTransformResult {
        return data.compose()
    }

    override fun transformSuperReference(
        superReference: FirSuperReference,
        data: FirNamedReference
    ): CompositeTransformResult {
        return data.compose()
    }
}

internal object StoreCalleeReference : FirTransformer() {
    override fun  transformElement(element: E, data: FirNamedReference): CompositeTransformResult {
        return element.compose()
    }

    override fun transformNamedReference(
        namedReference: FirNamedReference,
        data: FirNamedReference
    ): CompositeTransformResult {
        return data.compose()
    }

    override fun transformResolvedNamedReference(
        resolvedNamedReference: FirResolvedNamedReference,
        data: FirNamedReference
    ): CompositeTransformResult {
        return data.compose()
    }
}

internal object StoreReceiver : FirTransformer() {
    override fun  transformElement(element: E, data: FirExpression): CompositeTransformResult {
        @Suppress("UNCHECKED_CAST")
        return (data as E).compose()
    }
}

internal fun FirValueParameter.transformVarargTypeToArrayType() {
    if (isVararg) {
        this.transformTypeToArrayType()
    }
}

internal fun FirTypedDeclaration.transformTypeToArrayType() {
    val returnType = returnTypeRef.coneType
    transformReturnTypeRef(
        StoreType,
        returnTypeRef.withReplacedConeType(
            ConeKotlinTypeProjectionOut(returnType).createArrayType(),
            FirFakeSourceElementKind.ArrayTypeFromVarargParameter
        )
    )
}

inline fun  withScopeCleanup(scopes: MutableList<*>, crossinline l: () -> T): T {
    val sizeBefore = scopes.size
    return try {
        l()
    } finally {
        val size = scopes.size
        assert(size >= sizeBefore)
        repeat(size - sizeBefore) {
            scopes.let { it.removeAt(it.size - 1) }
        }
    }
}