Raw FIR: get rid of array gets, use array sets only for modifications

(a[b] += c etc. cannot be replaced with get/set calls easily)

compiler/fir/tree/src/org/jetbrains/kotlin/fir/FirRenderer.kt

@@ -858,14 +858,6 @@ class FirRenderer(builder: StringBuilder) : FirVisitorVoid() {
         visitCall(operatorCall)
     }
 
-    override fun visitArrayGetCall(arrayGetCall: FirArrayGetCall) {
-        arrayGetCall.annotations.renderAnnotations()
-        arrayGetCall.array.accept(this)
-        print("[")
-        arrayGetCall.arguments.renderSeparated()
-        print("]")
-    }
-
     override fun visitComponentCall(componentCall: FirComponentCall) {
         componentCall.annotations.renderAnnotations()
         componentCall.explicitReceiver.accept(this)

compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/FirArrayGetCall.kt

@@ -1,20 +0,0 @@
-/*
- * Copyright 2010-2019 JetBrains s.r.o. 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.expressions
-
-import org.jetbrains.kotlin.fir.visitors.FirVisitor
-
-interface FirArrayGetCall : FirCall {
-    val array: FirExpression
-
-    override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R =
-        visitor.visitArrayGetCall(this, data)
-
-    override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {
-        array.accept(visitor, data)
-        super.acceptChildren(visitor, data)
-    }
-}

compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/impl/FirArrayGetCallImpl.kt

@@ -1,25 +0,0 @@
-/*
- * Copyright 2010-2019 JetBrains s.r.o. 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.expressions.impl
-
-import com.intellij.psi.PsiElement
-import org.jetbrains.kotlin.fir.FirElement
-import org.jetbrains.kotlin.fir.FirSession
-import org.jetbrains.kotlin.fir.expressions.FirArrayGetCall
-import org.jetbrains.kotlin.fir.expressions.FirExpression
-import org.jetbrains.kotlin.fir.transformSingle
-import org.jetbrains.kotlin.fir.visitors.FirTransformer
-
-class FirArrayGetCallImpl(
-    session: FirSession,
-    psi: PsiElement?,
-    override var array: FirExpression
-) : FirAbstractCall(session, psi), FirArrayGetCall {
-    override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirElement {
-        array = array.transformSingle(transformer, data)
-        return super<FirAbstractCall>.transformChildren(transformer, data)
-    }
-}

compiler/fir/tree/visitors/org/jetbrains/kotlin/fir/visitors/FirTransformerGenerated.kt

@@ -200,10 +200,6 @@ abstract class FirTransformer<in D> : FirVisitor<CompositeTransformResult<FirEle
         return transformCall(annotationCall, data)
     }
 
-    open fun transformArrayGetCall(arrayGetCall: FirArrayGetCall, data: D): CompositeTransformResult<FirStatement> {
-        return transformCall(arrayGetCall, data)
-    }
-
     open fun transformArrayOfCall(arrayOfCall: FirArrayOfCall, data: D): CompositeTransformResult<FirStatement> {
         return transformCall(arrayOfCall, data)
     }
@@ -396,10 +392,6 @@ abstract class FirTransformer<in D> : FirVisitor<CompositeTransformResult<FirEle
         return transformAnonymousObject(anonymousObject, data)
     }
 
-    final override fun visitArrayGetCall(arrayGetCall: FirArrayGetCall, data: D): CompositeTransformResult<FirElement> {
-        return transformArrayGetCall(arrayGetCall, data)
-    }
-
     final override fun visitArrayOfCall(arrayOfCall: FirArrayOfCall, data: D): CompositeTransformResult<FirElement> {
         return transformArrayOfCall(arrayOfCall, data)
     }

compiler/fir/tree/visitors/org/jetbrains/kotlin/fir/visitors/FirVisitorGenerated.kt

@@ -200,10 +200,6 @@ abstract class FirVisitor<out R, in D> {
         return visitCall(annotationCall, data)
     }
 
-    open fun visitArrayGetCall(arrayGetCall: FirArrayGetCall, data: D): R {
-        return visitCall(arrayGetCall, data)
-    }
-
     open fun visitArrayOfCall(arrayOfCall: FirArrayOfCall, data: D): R {
         return visitCall(arrayOfCall, data)
     }

compiler/fir/tree/visitors/org/jetbrains/kotlin/fir/visitors/FirVisitorVoidGenerated.kt

@@ -200,10 +200,6 @@ abstract class FirVisitorVoid : FirVisitor<Unit, Nothing?>() {
         visitCall(annotationCall, null)
     }
 
-    open fun visitArrayGetCall(arrayGetCall: FirArrayGetCall) {
-        visitCall(arrayGetCall, null)
-    }
-
     open fun visitArrayOfCall(arrayOfCall: FirArrayOfCall) {
         visitCall(arrayOfCall, null)
     }
@@ -396,10 +392,6 @@ abstract class FirVisitorVoid : FirVisitor<Unit, Nothing?>() {
         visitAnonymousObject(anonymousObject)
     }
 
-    final override fun visitArrayGetCall(arrayGetCall: FirArrayGetCall, data: Nothing?) {
-        visitArrayGetCall(arrayGetCall)
-    }
-
     final override fun visitArrayOfCall(arrayOfCall: FirArrayOfCall, data: Nothing?) {
         visitArrayOfCall(arrayOfCall)
     }