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• FirRenderer.kt

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org.jetbrains.kotlin.fir.renderer.FirRenderer.kt Maven / Gradle / Ivy

/*
 * Copyright 2010-2024 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.renderer

import org.jetbrains.kotlin.builtins.functions.AllowedToUsedOnlyInK1
import org.jetbrains.kotlin.builtins.functions.FunctionTypeKindExtractor
import org.jetbrains.kotlin.descriptors.annotations.AnnotationUseSiteTarget
import org.jetbrains.kotlin.fir.FirAnnotationContainer
import org.jetbrains.kotlin.fir.FirElement
import org.jetbrains.kotlin.fir.FirPackageDirective
import org.jetbrains.kotlin.fir.contracts.FirContractDescription
import org.jetbrains.kotlin.fir.contracts.FirEffectDeclaration
import org.jetbrains.kotlin.fir.contracts.description.ConeContractRenderer
import org.jetbrains.kotlin.fir.declarations.*
import org.jetbrains.kotlin.fir.expressions.*
import org.jetbrains.kotlin.fir.expressions.impl.FirElseIfTrueCondition
import org.jetbrains.kotlin.fir.expressions.impl.FirExpressionStub
import org.jetbrains.kotlin.fir.expressions.impl.FirLazyDelegatedConstructorCall
import org.jetbrains.kotlin.fir.expressions.impl.FirUnitExpression
import org.jetbrains.kotlin.fir.isCatchParameter
import org.jetbrains.kotlin.fir.references.*
import org.jetbrains.kotlin.fir.symbols.ConeClassLikeLookupTag
import org.jetbrains.kotlin.fir.types.*
import org.jetbrains.kotlin.fir.visitors.FirVisitorVoid
import org.jetbrains.kotlin.name.StandardClassIds
import org.jetbrains.kotlin.types.Variance
import org.jetbrains.kotlin.util.OperatorNameConventions
import org.jetbrains.kotlin.utils.addToStdlib.applyIf
import org.jetbrains.kotlin.utils.addToStdlib.shouldNotBeCalled
import java.util.*

class FirRenderer(
    builder: StringBuilder = StringBuilder(),
    override val annotationRenderer: FirAnnotationRenderer? = FirAnnotationRenderer(),
    override val bodyRenderer: FirBodyRenderer? = FirBodyRenderer(),
    override val callArgumentsRenderer: FirCallArgumentsRenderer? = FirCallArgumentsRenderer(),
    override val classMemberRenderer: FirClassMemberRenderer? = FirClassMemberRenderer(),
    override val contractRenderer: ConeContractRenderer? = ConeContractRenderer(),
    override val declarationRenderer: FirDeclarationRenderer? = FirDeclarationRenderer(),
    override val idRenderer: ConeIdRenderer = ConeIdRendererForDebugging(),
    override val modifierRenderer: FirModifierRenderer? = FirAllModifierRenderer(),
    override val packageDirectiveRenderer: FirPackageDirectiveRenderer? = null,
    override val propertyAccessorRenderer: FirPropertyAccessorRenderer? = FirPropertyAccessorRenderer(),
    override val resolvePhaseRenderer: FirResolvePhaseRenderer? = null,
    override val typeRenderer: ConeTypeRenderer = ConeTypeRendererForDebugging(),
    override val referencedSymbolRenderer: FirSymbolRenderer = FirSymbolRenderer(),
    override val valueParameterRenderer: FirValueParameterRenderer? = FirValueParameterRenderer(),
    override val errorExpressionRenderer: FirErrorExpressionRenderer? = FirErrorExpressionOnlyErrorRenderer(),
    override val resolvedNamedReferenceRenderer: FirResolvedNamedReferenceRenderer = FirResolvedNamedReferenceRendererWithLabel(),
    override val resolvedQualifierRenderer: FirResolvedQualifierRenderer = FirResolvedQualifierRendererWithLabel(),
    private val lineBreakAfterContextReceivers: Boolean = true,
    private val renderFieldAnnotationSeparately: Boolean = true,
    override val getClassCallRenderer: FirGetClassCallRenderer = FirGetClassCallRendererForDebugging(),
) : FirRendererComponents {

    override val visitor: Visitor = Visitor()
    override val printer: FirPrinter = FirPrinter(builder)

    companion object {
        fun noAnnotationBodiesAccessorAndArguments(): FirRenderer = FirRenderer(
            annotationRenderer = null,
            bodyRenderer = null,
            propertyAccessorRenderer = null,
            callArgumentsRenderer = FirCallNoArgumentsRenderer(),
        )

        fun withResolvePhase(): FirRenderer = FirRenderer(
            resolvePhaseRenderer = FirResolvePhaseRenderer(),
        )

        fun withDeclarationAttributes(): FirRenderer = FirRenderer(
            declarationRenderer = FirDeclarationRendererWithAttributes(),
        )

        fun forReadability(): FirRenderer = FirRenderer(
            typeRenderer = ConeTypeRenderer(),
            idRenderer = ConeIdShortRenderer(),
            classMemberRenderer = FirNoClassMemberRenderer(),
            bodyRenderer = null,
            propertyAccessorRenderer = null,
            callArgumentsRenderer = FirCallNoArgumentsRenderer(),
            modifierRenderer = FirPartialModifierRenderer(),
            valueParameterRenderer = FirValueParameterRendererForReadability(),
            declarationRenderer = FirDeclarationRenderer("local "),
        )
    }

    init {
        annotationRenderer?.components = this
        bodyRenderer?.components = this
        callArgumentsRenderer?.components = this
        classMemberRenderer?.components = this
        contractRenderer?.components = this
        declarationRenderer?.components = this
        idRenderer.builder = builder
        modifierRenderer?.components = this
        packageDirectiveRenderer?.components = this
        propertyAccessorRenderer?.components = this
        resolvePhaseRenderer?.components = this
        typeRenderer.builder = builder
        typeRenderer.idRenderer = idRenderer
        referencedSymbolRenderer.components = this
        valueParameterRenderer?.components = this
        errorExpressionRenderer?.components = this
        resolvedNamedReferenceRenderer.components = this
        resolvedQualifierRenderer.components = this
        getClassCallRenderer.components = this
    }

    fun renderElementAsString(element: FirElement, trim: Boolean = false): String {
        element.accept(visitor)
        return printer.toString().applyIf(trim, String::trim)
    }

    fun renderElementWithTypeAsString(element: FirElement): String {
        print(element)
        print(": ")
        return renderElementAsString(element)
    }

    fun renderAsCallableDeclarationString(callableDeclaration: FirCallableDeclaration): String {
        visitor.visitCallableDeclaration(callableDeclaration)
        return printer.toString()
    }

    fun renderMemberDeclarationClass(firClass: FirClass) {
        visitor.visitMemberDeclaration(firClass)
    }

    fun renderAnnotations(annotationContainer: FirAnnotationContainer) {
        annotationRenderer?.render(annotationContainer)
    }

    fun renderSupertypes(regularClass: FirRegularClass) {
        if (regularClass.superTypeRefs.isNotEmpty()) {
            print(" : ")
            renderSeparated(regularClass.superTypeRefs, visitor)
        }
    }

    private fun Variance.renderVariance() {
        label.let {
            print(it)
            if (it.isNotEmpty()) {
                print(" ")
            }
        }
    }

    private fun renderContexts(contextReceivers: List) {
        if (contextReceivers.isEmpty()) return
        print("context(")
        renderSeparated(contextReceivers, visitor)
        print(")")

        if (lineBreakAfterContextReceivers) {
            printer.newLine()
        } else {
            print(" ")
        }
    }

    private fun List.renderTypeParameters() {
        if (isNotEmpty()) {
            print("<")
            renderSeparated(this, visitor)
            print(">")
        }
    }

    private fun List.renderTypeArguments() {
        if (isNotEmpty()) {
            print("<")
            renderSeparated(this, visitor)
            print(">")
        }
    }

    private fun print(s: Any) {
        printer.print(s)
    }

    private fun renderSeparated(elements: List, visitor: Visitor) {
        printer.renderSeparated(elements, visitor)
    }

    private fun renderType(type: ConeKotlinType?) {
        if (type == null) return
        print("R|")
        typeRenderer.render(type)
        print("|")
    }

    inner class Visitor internal constructor() : FirVisitorVoid() {

        override fun visitElement(element: FirElement) {
            element.acceptChildren(this)
        }

        override fun visitFile(file: FirFile) {
            printer.print("FILE: ")
            resolvePhaseRenderer?.render(file)
            printer.println(file.name)

            printer.pushIndent()
            annotationRenderer?.render(file)
            visitPackageDirective(file.packageDirective)
            file.imports.forEach { it.accept(this) }
            file.declarations.forEach { it.accept(this) }
            printer.popIndent()
        }

        override fun visitScript(script: FirScript) {
            annotationRenderer?.render(script)
            printer.print("SCRIPT: ")
            declarationRenderer?.renderPhaseAndAttributes(script) ?: resolvePhaseRenderer?.render(script)
            printer.println(script.name)

            printer.pushIndent()
            // following the function convention, although in a compiled script parameters are passed before receivers
            script.receivers.forEach {
                it.accept(this)
                printer.newLine()
            }
            script.parameters.forEach {
                it.accept(this)
                printer.newLine()
            }

            printer.newLine()

            script.declarations.forEach {
                it.accept(this)
                printer.newLine()
            }

            printer.popIndent()
        }

        override fun visitScriptReceiverParameter(scriptReceiverParameter: FirScriptReceiverParameter) {
            print("