Files
codeql/java/kotlin-extractor/src/main/kotlin/KotlinFileExtractor.kt
2022-05-10 19:51:16 +01:00

2892 lines
143 KiB
Kotlin

package com.github.codeql
import com.github.codeql.comments.CommentExtractor
import com.github.codeql.utils.TypeSubstitution
import com.github.codeql.utils.versions.functionN
import com.github.codeql.utils.substituteTypeAndArguments
import com.github.codeql.utils.substituteTypeArguments
import com.github.codeql.utils.toRawType
import com.github.codeql.utils.versions.getIrStubFromDescriptor
import com.semmle.extractor.java.OdasaOutput
import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
import org.jetbrains.kotlin.backend.common.pop
import org.jetbrains.kotlin.builtins.functions.BuiltInFunctionArity
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.java.JavaVisibilities
import org.jetbrains.kotlin.ir.IrElement
import org.jetbrains.kotlin.ir.IrStatement
import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
import org.jetbrains.kotlin.ir.declarations.*
import org.jetbrains.kotlin.ir.expressions.*
import org.jetbrains.kotlin.ir.symbols.IrConstructorSymbol
import org.jetbrains.kotlin.ir.symbols.IrSymbol
import org.jetbrains.kotlin.ir.types.*
import org.jetbrains.kotlin.ir.util.*
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.util.OperatorNameConventions
import org.jetbrains.kotlin.types.Variance
import java.io.Closeable
import java.util.*
open class KotlinFileExtractor(
override val logger: FileLogger,
override val tw: FileTrapWriter,
val filePath: String,
dependencyCollector: OdasaOutput.TrapFileManager?,
externalClassExtractor: ExternalClassExtractor,
primitiveTypeMapping: PrimitiveTypeMapping,
pluginContext: IrPluginContext,
genericSpecialisationsExtracted: MutableSet<String>
): KotlinUsesExtractor(logger, tw, dependencyCollector, externalClassExtractor, primitiveTypeMapping, pluginContext, genericSpecialisationsExtracted) {
inline fun <T> with(kind: String, element: IrElement, f: () -> T): T {
try {
return f()
} catch(exception: Exception) {
throw Exception("While extracting a $kind at ${tw.getLocationString(element)}", exception)
}
}
fun extractFileContents(file: IrFile, id: Label<DbFile>) {
with("file", file) {
val locId = tw.getWholeFileLocation()
val pkg = file.fqName.asString()
val pkgId = extractPackage(pkg)
tw.writeHasLocation(id, locId)
tw.writeCupackage(id, pkgId)
val exceptionOnFile = System.getenv("CODEQL_KOTLIN_INTERNAL_EXCEPTION_WHILE_EXTRACTING_FILE")
if(exceptionOnFile != null) {
@OptIn(kotlin.ExperimentalStdlibApi::class) // Annotation required by kotlin versions < 1.5
if(exceptionOnFile.lowercase() == file.name.lowercase()) {
throw Exception("Internal testing exception")
}
}
file.declarations.map { extractDeclaration(it) }
CommentExtractor(this, file, tw.fileId).extract()
}
}
fun extractDeclaration(declaration: IrDeclaration) {
with("declaration", declaration) {
when (declaration) {
is IrClass -> {
if (isExternalDeclaration(declaration)) {
extractExternalClassLater(declaration)
} else {
extractClassSource(declaration)
}
}
is IrFunction -> {
@Suppress("UNCHECKED_CAST")
val parentId = useDeclarationParent(declaration.parent, false) as Label<DbReftype>
extractFunctionIfReal(declaration, parentId, true, null, listOf())
}
is IrAnonymousInitializer -> {
// Leaving this intentionally empty. init blocks are extracted during class extraction.
}
is IrProperty -> {
@Suppress("UNCHECKED_CAST")
val parentId = useDeclarationParent(declaration.parent, false) as Label<DbReftype>
extractProperty(declaration, parentId, true, null, listOf())
}
is IrEnumEntry -> {
@Suppress("UNCHECKED_CAST")
val parentId = useDeclarationParent(declaration.parent, false) as Label<DbReftype>
extractEnumEntry(declaration, parentId)
}
is IrField -> {
@Suppress("UNCHECKED_CAST")
val parentId = useDeclarationParent(declaration.parent, false) as Label<DbReftype>
extractField(declaration, parentId)
}
is IrTypeAlias -> extractTypeAlias(declaration)
else -> logger.warnElement(Severity.ErrorSevere, "Unrecognised IrDeclaration: " + declaration.javaClass, declaration)
}
}
}
fun getLabel(element: IrElement) : String? {
when (element) {
is IrClass -> return getClassLabel(element, listOf()).classLabel
is IrTypeParameter -> return getTypeParameterLabel(element)
is IrFunction -> return getFunctionLabel(element, null)
is IrValueParameter -> return getValueParameterLabel(element, null)
is IrProperty -> return getPropertyLabel(element)
is IrField -> return getFieldLabel(element)
is IrEnumEntry -> return getEnumEntryLabel(element)
// Fresh entities:
is IrBody -> return null
is IrExpression -> return null
// todo add others:
else -> {
logger.warnElement(Severity.ErrorSevere, "Unhandled element type: ${element::class}", element)
return null
}
}
}
fun extractTypeParameter(tp: IrTypeParameter, apparentIndex: Int): Label<out DbTypevariable> {
with("type parameter", tp) {
val id = tw.getLabelFor<DbTypevariable>(getTypeParameterLabel(tp))
val parentId: Label<out DbClassorinterfaceorcallable> = when (val parent = tp.parent) {
is IrFunction -> useFunction(parent)
is IrClass -> useClassSource(parent)
else -> {
logger.warnElement(Severity.ErrorSevere, "Unexpected type parameter parent", tp)
fakeLabel()
}
}
// Note apparentIndex does not necessarily equal `tp.index`, because at least constructor type parameters
// have indices offset from the type parameters of the constructed class (i.e. the parameter S of
// `class Generic<T> { public <S> Generic(T t, S s) { ... } }` will have `tp.index` 1, not 0).
tw.writeTypeVars(id, tp.name.asString(), apparentIndex, 0, parentId)
val locId = tw.getLocation(tp)
tw.writeHasLocation(id, locId)
tp.superTypes.forEachIndexed { boundIdx, bound ->
if(!(bound.isAny() || bound.isNullableAny())) {
tw.getLabelFor<DbTypebound>("@\"bound;$boundIdx;{$id}\"") {
tw.writeTypeBounds(it, useType(bound).javaResult.id as Label<out DbReftype>, boundIdx, id)
}
}
}
return id
}
}
fun extractVisibility(elementForLocation: IrElement, id: Label<out DbModifiable>, v: DescriptorVisibility) {
with("visibility", elementForLocation) {
when (v) {
DescriptorVisibilities.PRIVATE -> addModifiers(id, "private")
DescriptorVisibilities.PRIVATE_TO_THIS -> addModifiers(id, "private")
DescriptorVisibilities.PROTECTED -> addModifiers(id, "protected")
DescriptorVisibilities.PUBLIC -> addModifiers(id, "public")
DescriptorVisibilities.INTERNAL -> addModifiers(id, "internal")
DescriptorVisibilities.LOCAL -> if (elementForLocation is IrFunction && elementForLocation.isLocalFunction()) {
// The containing class is `private`.
addModifiers(id, "public")
} else {
addVisibilityModifierToLocalOrAnonymousClass(id)
}
is DelegatedDescriptorVisibility -> {
when (v.delegate) {
JavaVisibilities.ProtectedStaticVisibility -> {
addModifiers(id, "protected")
addModifiers(id, "static")
}
JavaVisibilities.PackageVisibility -> {
// default java visibility (top level)
}
JavaVisibilities.ProtectedAndPackage -> {
// default java visibility (member level)
}
else -> logger.warnElement(Severity.ErrorSevere, "Unexpected delegated visibility: $v", elementForLocation)
}
}
else -> logger.warnElement(Severity.ErrorSevere, "Unexpected visibility: $v", elementForLocation)
}
}
}
fun extractClassModifiers(c: IrClass, id: Label<out DbClassorinterface>) {
with("class modifiers", c) {
when (c.modality) {
Modality.FINAL -> addModifiers(id, "final")
Modality.SEALED -> addModifiers(id, "sealed")
Modality.OPEN -> { } // This is the default
Modality.ABSTRACT -> addModifiers(id, "abstract")
else -> logger.warnElement(Severity.ErrorSevere, "Unexpected class modality: ${c.modality}", c)
}
extractVisibility(c, id, c.visibility)
}
}
// `argsIncludingOuterClasses` can be null to describe a raw generic type.
// For non-generic types it will be zero-length list.
fun extractClassInstance(c: IrClass, argsIncludingOuterClasses: List<IrTypeArgument>?): Label<out DbClassorinterface> {
with("class instance", c) {
if (argsIncludingOuterClasses?.isEmpty() == true) {
logger.warn(Severity.ErrorSevere, "Instance without type arguments: " + c.name.asString())
}
val classLabelResults = getClassLabel(c, argsIncludingOuterClasses)
val id = tw.getLabelFor<DbClassorinterface>(classLabelResults.classLabel)
val pkg = c.packageFqName?.asString() ?: ""
val cls = classLabelResults.shortName
val pkgId = extractPackage(pkg)
if(c.kind == ClassKind.INTERFACE) {
@Suppress("UNCHECKED_CAST")
val interfaceId = id as Label<out DbInterface>
@Suppress("UNCHECKED_CAST")
val sourceInterfaceId = useClassSource(c) as Label<out DbInterface>
tw.writeInterfaces(interfaceId, cls, pkgId, sourceInterfaceId)
} else {
@Suppress("UNCHECKED_CAST")
val classId = id as Label<out DbClass>
@Suppress("UNCHECKED_CAST")
val sourceClassId = useClassSource(c) as Label<out DbClass>
tw.writeClasses(classId, cls, pkgId, sourceClassId)
if (c.kind == ClassKind.ENUM_CLASS) {
tw.writeIsEnumType(classId)
}
}
val typeArgs = removeOuterClassTypeArgs(c, argsIncludingOuterClasses)
if (typeArgs != null) {
for ((idx, arg) in typeArgs.withIndex()) {
val argId = getTypeArgumentLabel(arg).id
tw.writeTypeArgs(argId, idx, id)
}
tw.writeIsParameterized(id)
} else {
tw.writeIsRaw(id)
}
val unbound = useClassSource(c)
tw.writeErasure(id, unbound)
extractClassModifiers(c, id)
extractClassSupertypes(c, id, if (argsIncludingOuterClasses == null) ExtractSupertypesMode.Raw else ExtractSupertypesMode.Specialised(argsIncludingOuterClasses))
val locId = tw.getLocation(c)
tw.writeHasLocation(id, locId)
// Extract the outer <-> inner class relationship, passing on any type arguments in excess to this class' parameters.
extractEnclosingClass(c, id, locId, argsIncludingOuterClasses?.drop(c.typeParameters.size) ?: listOf())
return id
}
}
// `typeArgs` can be null to describe a raw generic type.
// For non-generic types it will be zero-length list.
fun extractMemberPrototypes(c: IrClass, argsIncludingOuterClasses: List<IrTypeArgument>?, id: Label<out DbClassorinterface>) {
with("member prototypes", c) {
val typeParamSubstitution =
when (argsIncludingOuterClasses) {
null -> { x: IrType, _: TypeContext, _: IrPluginContext -> x.toRawType() }
else -> {
makeTypeGenericSubstitutionMap(c, argsIncludingOuterClasses).let {
{ x: IrType, useContext: TypeContext, pluginContext: IrPluginContext ->
x.substituteTypeAndArguments(
it,
useContext,
pluginContext
)
}
}
}
}
c.declarations.map {
when(it) {
is IrFunction -> extractFunctionIfReal(it, id, false, typeParamSubstitution, argsIncludingOuterClasses)
is IrProperty -> extractProperty(it, id, false, typeParamSubstitution, argsIncludingOuterClasses)
else -> {}
}
}
}
}
private fun extractLocalTypeDeclStmt(c: IrClass, callable: Label<out DbCallable>, parent: Label<out DbStmtparent>, idx: Int) {
@Suppress("UNCHECKED_CAST")
val id = extractClassSource(c) as Label<out DbClass>
extractLocalTypeDeclStmt(id, c, callable, parent, idx)
}
private fun extractLocalTypeDeclStmt(id: Label<out DbClass>, locElement: IrElement, callable: Label<out DbCallable>, parent: Label<out DbStmtparent>, idx: Int) {
val stmtId = tw.getFreshIdLabel<DbLocaltypedeclstmt>()
tw.writeStmts_localtypedeclstmt(stmtId, parent, idx, callable)
tw.writeIsLocalClassOrInterface(id, stmtId)
val locId = tw.getLocation(locElement)
tw.writeHasLocation(stmtId, locId)
}
fun extractClassSource(c: IrClass): Label<out DbClassorinterface> {
with("class source", c) {
DeclarationStackAdjuster(c).use {
val id = if (c.isAnonymousObject) {
@Suppress("UNCHECKED_CAST")
useAnonymousClass(c).javaResult.id as Label<out DbClass>
} else {
useClassSource(c)
}
val pkg = c.packageFqName?.asString() ?: ""
val cls = if (c.isAnonymousObject) "" else c.name.asString()
val pkgId = extractPackage(pkg)
if (c.kind == ClassKind.INTERFACE) {
@Suppress("UNCHECKED_CAST")
val interfaceId = id as Label<out DbInterface>
tw.writeInterfaces(interfaceId, cls, pkgId, interfaceId)
} else {
@Suppress("UNCHECKED_CAST")
val classId = id as Label<out DbClass>
tw.writeClasses(classId, cls, pkgId, classId)
if (c.kind == ClassKind.ENUM_CLASS) {
tw.writeIsEnumType(classId)
}
}
val locId = tw.getLocation(c)
tw.writeHasLocation(id, locId)
extractEnclosingClass(c, id, locId, listOf())
c.typeParameters.mapIndexed { idx, it -> extractTypeParameter(it, idx) }
c.declarations.map { extractDeclaration(it) }
extractObjectInitializerFunction(c, id)
if (c.isNonCompanionObject) {
// For `object MyObject { ... }`, the .class has an
// automatically-generated `public static final MyObject INSTANCE`
// field that may be referenced from Java code, and is used in our
// IrGetObjectValue support. We therefore need to fabricate it
// here.
val instance = useObjectClassInstance(c)
val type = useSimpleTypeClass(c, emptyList(), false)
tw.writeFields(instance.id, instance.name, type.javaResult.id, id, instance.id)
tw.writeFieldsKotlinType(instance.id, type.kotlinResult.id)
tw.writeHasLocation(instance.id, locId)
addModifiers(instance.id, "public", "static", "final")
@Suppress("UNCHECKED_CAST")
tw.writeClass_object(id as Label<DbClass>, instance.id)
}
extractClassModifiers(c, id)
val forceExtractSupertypeMembers = !isExternalDeclaration(c)
extractClassSupertypes(c, id, inReceiverContext = forceExtractSupertypeMembers)
return id
}
}
}
fun extractEnclosingClass(innerClass: IrClass, innerId: Label<out DbClassorinterface>, innerLocId: Label<DbLocation>, parentClassTypeArguments: List<IrTypeArgument>) {
with("inner class", innerClass) {
var parent: IrDeclarationParent? = innerClass.parent
while (parent != null) {
if (parent is IrClass) {
val parentId =
if (parent.isAnonymousObject) {
@Suppress("UNCHECKED_CAST")
useAnonymousClass(parent).javaResult.id as Label<out DbClass>
} else {
useClassInstance(parent, parentClassTypeArguments).typeResult.id
}
tw.writeEnclInReftype(innerId, parentId)
if(innerClass.isCompanion) {
// If we are a companion then our parent has a
// public static final ParentClass$CompanionObjectClass CompanionObjectName;
// that we need to fabricate here
val instance = useCompanionObjectClassInstance(innerClass)
if(instance != null) {
val type = useSimpleTypeClass(innerClass, emptyList(), false)
tw.writeFields(instance.id, instance.name, type.javaResult.id, innerId, instance.id)
tw.writeFieldsKotlinType(instance.id, type.kotlinResult.id)
tw.writeHasLocation(instance.id, innerLocId)
addModifiers(instance.id, "public", "static", "final")
@Suppress("UNCHECKED_CAST")
tw.writeType_companion_object(parentId, instance.id, innerId as Label<DbClass>)
}
}
break
}
parent = (parent as? IrDeclaration)?.parent
}
}
}
data class FieldResult(val id: Label<DbField>, val name: String)
fun useCompanionObjectClassInstance(c: IrClass): FieldResult? {
val parent = c.parent
if(!c.isCompanion) {
logger.warn(Severity.ErrorSevere, "Using companion instance for non-companion class")
return null
}
else if (parent !is IrClass) {
logger.warn(Severity.ErrorSevere, "Using companion instance for non-companion class")
return null
} else {
val parentId = useClassInstance(parent, listOf()).typeResult.id
val instanceName = c.name.asString()
val instanceLabel = "@\"field;{$parentId};$instanceName\""
val instanceId: Label<DbField> = tw.getLabelFor(instanceLabel)
return FieldResult(instanceId, instanceName)
}
}
fun useObjectClassInstance(c: IrClass): FieldResult {
if(!c.isNonCompanionObject) {
logger.warn(Severity.ErrorSevere, "Using instance for non-object class")
}
val classId = useClassInstance(c, listOf()).typeResult.id
val instanceName = "INSTANCE"
val instanceLabel = "@\"field;{$classId};$instanceName\""
val instanceId: Label<DbField> = tw.getLabelFor(instanceLabel)
return FieldResult(instanceId, instanceName)
}
private fun extractValueParameter(vp: IrValueParameter, parent: Label<out DbCallable>, idx: Int, typeSubstitution: TypeSubstitution?, parentSourceDeclaration: Label<out DbCallable>): TypeResults {
with("value parameter", vp) {
return extractValueParameter(useValueParameter(vp, parent), vp.type, vp.name.asString(), tw.getLocation(vp), parent, idx, typeSubstitution, useValueParameter(vp, parentSourceDeclaration))
}
}
private fun extractValueParameter(id: Label<out DbParam>, t: IrType, name: String, locId: Label<DbLocation>, parent: Label<out DbCallable>, idx: Int, typeSubstitution: TypeSubstitution?, paramSourceDeclaration: Label<out DbParam>): TypeResults {
val substitutedType = typeSubstitution?.let { it(t, TypeContext.OTHER, pluginContext) } ?: t
val type = useType(substitutedType)
tw.writeParams(id, type.javaResult.id, idx, parent, paramSourceDeclaration)
tw.writeParamsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeParamName(id, name)
return type
}
private fun extractObjectInitializerFunction(c: IrClass, parentId: Label<out DbReftype>) {
with("object initializer function", c) {
if (isExternalDeclaration(c)) {
return
}
// add method:
val obinitLabel = getFunctionLabel(c, parentId, "<obinit>", listOf(), pluginContext.irBuiltIns.unitType, extensionReceiverParameter = null, functionTypeParameters = listOf(), classTypeArgsIncludingOuterClasses = listOf())
val obinitId = tw.getLabelFor<DbMethod>(obinitLabel)
val returnType = useType(pluginContext.irBuiltIns.unitType)
tw.writeMethods(obinitId, "<obinit>", "<obinit>()", returnType.javaResult.id, parentId, obinitId)
tw.writeMethodsKotlinType(obinitId, returnType.kotlinResult.id)
val locId = tw.getLocation(c)
tw.writeHasLocation(obinitId, locId)
// add body:
val blockId = tw.getFreshIdLabel<DbBlock>()
tw.writeStmts_block(blockId, obinitId, 0, obinitId)
tw.writeHasLocation(blockId, locId)
// body content with field initializers and init blocks
var idx = 0
for (decl in c.declarations) {
when (decl) {
is IrProperty -> {
val backingField = decl.backingField
val initializer = backingField?.initializer
if (backingField == null || backingField.isStatic || initializer == null) {
continue
}
val expr = initializer.expression
if (expr is IrGetValue && expr.origin == IrStatementOrigin.INITIALIZE_PROPERTY_FROM_PARAMETER) {
// TODO: this initialization should go into the default constructor
continue
}
val declLocId = tw.getLocation(decl)
val stmtId = tw.getFreshIdLabel<DbExprstmt>()
tw.writeStmts_exprstmt(stmtId, blockId, idx++, obinitId)
tw.writeHasLocation(stmtId, declLocId)
val assignmentId = tw.getFreshIdLabel<DbAssignexpr>()
val type = useType(expr.type)
tw.writeExprs_assignexpr(assignmentId, type.javaResult.id, stmtId, 0)
tw.writeExprsKotlinType(assignmentId, type.kotlinResult.id)
tw.writeHasLocation(assignmentId, declLocId)
tw.writeCallableEnclosingExpr(assignmentId, obinitId)
tw.writeStatementEnclosingExpr(assignmentId, stmtId)
val lhsId = tw.getFreshIdLabel<DbVaraccess>()
val lhsType = useType(backingField.type)
tw.writeExprs_varaccess(lhsId, lhsType.javaResult.id, assignmentId, 0)
tw.writeExprsKotlinType(lhsId, lhsType.kotlinResult.id)
tw.writeHasLocation(lhsId, declLocId)
tw.writeCallableEnclosingExpr(lhsId, obinitId)
tw.writeStatementEnclosingExpr(lhsId, stmtId)
val vId = useField(backingField)
tw.writeVariableBinding(lhsId, vId)
extractExpressionExpr(expr, obinitId, assignmentId, 1, stmtId)
}
is IrAnonymousInitializer -> {
if (decl.isStatic) {
continue
}
for (stmt in decl.body.statements) {
extractStatement(stmt, obinitId, blockId, idx++)
}
}
else -> continue
}
}
}
}
fun extractFunctionIfReal(f: IrFunction, parentId: Label<out DbReftype>, extractBody: Boolean, typeSubstitution: TypeSubstitution?, classTypeArgsIncludingOuterClasses: List<IrTypeArgument>?) {
with("function if real", f) {
if (f.origin == IrDeclarationOrigin.FAKE_OVERRIDE)
return
extractFunction(f, parentId, extractBody, typeSubstitution, classTypeArgsIncludingOuterClasses)
}
}
fun extractFunction(f: IrFunction, parentId: Label<out DbReftype>, extractBody: Boolean, typeSubstitution: TypeSubstitution?, classTypeArgsIncludingOuterClasses: List<IrTypeArgument>?): Label<out DbCallable> {
with("function", f) {
DeclarationStackAdjuster(f).use {
getFunctionTypeParameters(f).mapIndexed { idx, tp -> extractTypeParameter(tp, idx) }
val locId = tw.getLocation(f)
val id =
if (f.isLocalFunction())
getLocallyVisibleFunctionLabels(f).function
else
useFunction<DbCallable>(f, parentId, classTypeArgsIncludingOuterClasses)
val sourceDeclaration =
if (typeSubstitution != null)
useFunction(f)
else
id
val extReceiver = f.extensionReceiverParameter
val idxOffset = if (extReceiver != null) 1 else 0
val paramTypes = f.valueParameters.mapIndexed { i, vp ->
extractValueParameter(vp, id, i + idxOffset, typeSubstitution, sourceDeclaration)
}
val allParamTypes = if (extReceiver != null) {
val extendedType = useType(extReceiver.type)
@Suppress("UNCHECKED_CAST")
tw.writeKtExtensionFunctions(id as Label<DbMethod>, extendedType.javaResult.id, extendedType.kotlinResult.id)
val t = extractValueParameter(extReceiver, id, 0, null, sourceDeclaration)
listOf(t) + paramTypes
} else {
paramTypes
}
val paramsSignature = allParamTypes.joinToString(separator = ",", prefix = "(", postfix = ")") { it.javaResult.signature!! }
val substReturnType = typeSubstitution?.let { it(f.returnType, TypeContext.RETURN, pluginContext) } ?: f.returnType
if (f.symbol is IrConstructorSymbol) {
val unitType = useType(pluginContext.irBuiltIns.unitType, TypeContext.RETURN)
val shortName = when {
f.returnType.isAnonymous -> ""
typeSubstitution != null -> useType(substReturnType).javaResult.shortName
else -> f.returnType.classFqName?.shortName()?.asString() ?: f.name.asString()
}
@Suppress("UNCHECKED_CAST")
val constrId = id as Label<DbConstructor>
tw.writeConstrs(constrId, shortName, "$shortName$paramsSignature", unitType.javaResult.id, parentId, sourceDeclaration as Label<DbConstructor>)
tw.writeConstrsKotlinType(constrId, unitType.kotlinResult.id)
} else {
val returnType = useType(substReturnType, TypeContext.RETURN)
val shortName = getFunctionShortName(f)
@Suppress("UNCHECKED_CAST")
val methodId = id as Label<DbMethod>
tw.writeMethods(methodId, shortName, "$shortName$paramsSignature", returnType.javaResult.id, parentId, sourceDeclaration as Label<DbMethod>)
tw.writeMethodsKotlinType(methodId, returnType.kotlinResult.id)
// TODO: fix `sourceId`. It doesn't always match the method ID.
}
tw.writeHasLocation(id, locId)
val body = f.body
if (body != null && extractBody) {
if (typeSubstitution != null)
logger.warnElement(Severity.ErrorSevere, "Type substitution should only be used to extract a function prototype, not the body", f)
extractBody(body, id)
}
extractVisibility(f, id, f.visibility)
return id
}
}
}
fun extractField(f: IrField, parentId: Label<out DbReftype>): Label<out DbField> {
with("field", f) {
DeclarationStackAdjuster(f).use {
declarationStack.push(f)
return extractField(useField(f), f.name.asString(), f.type, parentId, tw.getLocation(f), f.visibility, f, isExternalDeclaration(f))
}
}
}
private fun extractField(id: Label<out DbField>, name: String, type: IrType, parentId: Label<out DbReftype>, locId: Label<DbLocation>, visibility: DescriptorVisibility, errorElement: IrElement, isExternalDeclaration: Boolean): Label<out DbField> {
val t = useType(type)
tw.writeFields(id, name, t.javaResult.id, parentId, id)
tw.writeFieldsKotlinType(id, t.kotlinResult.id)
tw.writeHasLocation(id, locId)
extractVisibility(errorElement, id, visibility)
if (!isExternalDeclaration) {
val fieldDeclarationId = tw.getFreshIdLabel<DbFielddecl>()
tw.writeFielddecls(fieldDeclarationId, parentId)
tw.writeFieldDeclaredIn(id, fieldDeclarationId, 0)
tw.writeHasLocation(fieldDeclarationId, locId)
extractTypeAccess(t, locId, fieldDeclarationId, 0)
}
return id
}
fun extractProperty(p: IrProperty, parentId: Label<out DbReftype>, extractBackingField: Boolean, typeSubstitution: TypeSubstitution?, classTypeArgs: List<IrTypeArgument>?) {
with("property", p) {
DeclarationStackAdjuster(p).use {
val visibility = p.visibility
if (visibility is DelegatedDescriptorVisibility && visibility.delegate == Visibilities.InvisibleFake ||
p.isFakeOverride) {
return
}
val id = useProperty(p, parentId)
val locId = tw.getLocation(p)
tw.writeKtProperties(id, p.name.asString())
tw.writeHasLocation(id, locId)
val bf = p.backingField
val getter = p.getter
val setter = p.setter
if (getter != null) {
@Suppress("UNCHECKED_CAST")
val getterId = extractFunction(getter, parentId, extractBackingField, typeSubstitution, classTypeArgs) as Label<out DbMethod>
tw.writeKtPropertyGetters(id, getterId)
} else {
if (p.modality != Modality.FINAL || !isExternalDeclaration(p)) {
logger.warnElement(Severity.ErrorSevere, "IrProperty without a getter", p)
}
}
if (setter != null) {
if (!p.isVar) {
logger.warnElement(Severity.ErrorSevere, "!isVar property with a setter", p)
}
@Suppress("UNCHECKED_CAST")
val setterId = extractFunction(setter, parentId, extractBackingField, typeSubstitution, classTypeArgs) as Label<out DbMethod>
tw.writeKtPropertySetters(id, setterId)
} else {
if (p.isVar && !isExternalDeclaration(p)) {
logger.warnElement(Severity.ErrorSevere, "isVar property without a setter", p)
}
}
if (bf != null && extractBackingField) {
val fieldId = extractField(bf, parentId)
tw.writeKtPropertyBackingFields(id, fieldId)
}
extractVisibility(p, id, p.visibility)
}
}
}
fun extractEnumEntry(ee: IrEnumEntry, parentId: Label<out DbReftype>) {
with("enum entry", ee) {
DeclarationStackAdjuster(ee).use {
val id = useEnumEntry(ee)
val parent = ee.parent
if (parent !is IrClass) {
logger.warnElement(Severity.ErrorSevere, "Enum entry with unexpected parent: " + parent.javaClass, ee)
} else if (parent.typeParameters.isNotEmpty()) {
logger.warnElement(Severity.ErrorSevere, "Enum entry parent class has type parameters: " + parent.name, ee)
} else {
val type = useSimpleTypeClass(parent, emptyList(), false)
tw.writeFields(id, ee.name.asString(), type.javaResult.id, parentId, id)
tw.writeFieldsKotlinType(id, type.kotlinResult.id)
val locId = tw.getLocation(ee)
tw.writeHasLocation(id, locId)
}
}
}
}
fun extractTypeAlias(ta: IrTypeAlias) {
with("type alias", ta) {
if (ta.typeParameters.isNotEmpty()) {
// TODO: Extract this information
logger.warn(Severity.ErrorSevere, "Type alias type parameters ignored for " + ta.render())
}
val id = useTypeAlias(ta)
val locId = tw.getLocation(ta)
// TODO: We don't really want to generate any Java types here; we only want the KT type:
val type = useType(ta.expandedType)
tw.writeKt_type_alias(id, ta.name.asString(), type.kotlinResult.id)
tw.writeHasLocation(id, locId)
}
}
fun extractBody(b: IrBody, callable: Label<out DbCallable>) {
with("body", b) {
when (b) {
is IrBlockBody -> extractBlockBody(b, callable)
is IrSyntheticBody -> extractSyntheticBody(b, callable)
is IrExpressionBody -> extractExpressionBody(b, callable)
else -> {
logger.warnElement(Severity.ErrorSevere, "Unrecognised IrBody: " + b.javaClass, b)
}
}
}
}
fun extractBlockBody(b: IrBlockBody, callable: Label<out DbCallable>) {
with("block body", b) {
val id = tw.getFreshIdLabel<DbBlock>()
val locId = tw.getLocation(b)
tw.writeStmts_block(id, callable, 0, callable)
tw.writeHasLocation(id, locId)
for ((sIdx, stmt) in b.statements.withIndex()) {
extractStatement(stmt, callable, id, sIdx)
}
}
}
fun extractSyntheticBody(b: IrSyntheticBody, callable: Label<out DbCallable>) {
with("synthetic body", b) {
when (b.kind) {
IrSyntheticBodyKind.ENUM_VALUES -> tw.writeKtSyntheticBody(callable, 1)
IrSyntheticBodyKind.ENUM_VALUEOF -> tw.writeKtSyntheticBody(callable, 2)
}
}
}
fun extractExpressionBody(b: IrExpressionBody, callable: Label<out DbCallable>) {
with("expression body", b) {
val blockId = tw.getFreshIdLabel<DbBlock>()
val locId = tw.getLocation(b)
tw.writeStmts_block(blockId, callable, 0, callable)
tw.writeHasLocation(blockId, locId)
val returnId = tw.getFreshIdLabel<DbReturnstmt>()
tw.writeStmts_returnstmt(returnId, blockId, 0, callable)
tw.writeHasLocation(returnId, locId)
extractExpressionExpr(b.expression, callable, returnId, 0, returnId)
}
}
private fun getVariableLocationProvider(v: IrVariable): IrElement {
val init = v.initializer
if (v.startOffset < 0 && init != null) {
// IR_TEMPORARY_VARIABLEs have no proper location
return init
}
return v
}
fun extractVariable(v: IrVariable, callable: Label<out DbCallable>, parent: Label<out DbStmtparent>, idx: Int) {
with("variable", v) {
val stmtId = tw.getFreshIdLabel<DbLocalvariabledeclstmt>()
val locId = tw.getLocation(getVariableLocationProvider(v))
tw.writeStmts_localvariabledeclstmt(stmtId, parent, idx, callable)
tw.writeHasLocation(stmtId, locId)
extractVariableExpr(v, callable, stmtId, 1, stmtId)
}
}
fun extractVariableExpr(v: IrVariable, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, enclosingStmt: Label<out DbStmt>) {
with("variable expr", v) {
val varId = useVariable(v)
val exprId = tw.getFreshIdLabel<DbLocalvariabledeclexpr>()
val locId = tw.getLocation(getVariableLocationProvider(v))
val type = useType(v.type)
tw.writeLocalvars(varId, v.name.asString(), type.javaResult.id, exprId)
tw.writeLocalvarsKotlinType(varId, type.kotlinResult.id)
tw.writeHasLocation(varId, locId)
tw.writeExprs_localvariabledeclexpr(exprId, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(exprId, type.kotlinResult.id)
tw.writeHasLocation(exprId, locId)
tw.writeCallableEnclosingExpr(exprId, callable)
tw.writeStatementEnclosingExpr(exprId, enclosingStmt)
val i = v.initializer
if(i != null) {
extractExpressionExpr(i, callable, exprId, 0, enclosingStmt)
}
}
}
fun extractStatement(s: IrStatement, callable: Label<out DbCallable>, parent: Label<out DbStmtparent>, idx: Int) {
with("statement", s) {
when(s) {
is IrExpression -> {
extractExpressionStmt(s, callable, parent, idx)
}
is IrVariable -> {
extractVariable(s, callable, parent, idx)
}
is IrClass -> {
extractLocalTypeDeclStmt(s, callable, parent, idx)
}
is IrFunction -> {
if (s.isLocalFunction()) {
val classId = extractGeneratedClass(s, listOf(pluginContext.irBuiltIns.anyType))
extractLocalTypeDeclStmt(classId, s, callable, parent, idx)
val ids = getLocallyVisibleFunctionLabels(s)
tw.writeKtLocalFunction(ids.function)
} else {
logger.warnElement(Severity.ErrorSevere, "Expected to find local function", s)
}
}
is IrLocalDelegatedProperty -> {
// TODO:
logger.warnElement(Severity.ErrorSevere, "Unhandled IrLocalDelegatedProperty", s)
}
else -> {
logger.warnElement(Severity.ErrorSevere, "Unrecognised IrStatement: " + s.javaClass, s)
}
}
}
}
/**
Returns true iff `c` is a call to the function `fName` in the
`kotlin.internal.ir` package. This is used to find calls to builtin
functions, which need to be handled specially as they do not have
corresponding source definitions.
*/
private fun isBuiltinCallInternal(c: IrCall, fName: String) = isBuiltinCall(c, fName, "kotlin.internal.ir")
/**
Returns true iff `c` is a call to the function `fName` in the
`kotlin` package. This is used to find calls to builtin
functions, which need to be handled specially as they do not have
corresponding source definitions.
*/
private fun isBuiltinCallKotlin(c: IrCall, fName: String) = isBuiltinCall(c, fName, "kotlin")
/**
Returns true iff `c` is a call to the function `fName` in package
`pName`. This is used to find calls to builtin functions, which need
to be handled specially as they do not have corresponding source
definitions.
*/
private fun isBuiltinCall(c: IrCall, fName: String, pName: String): Boolean {
val verbose = false
fun verboseln(s: String) { if(verbose) println(s) }
verboseln("Attempting builtin match for $fName")
val target = c.symbol.owner
if (target.name.asString() != fName) {
verboseln("No match as function name is ${target.name.asString()} not $fName")
return false
}
val targetPkg = target.parent
if (targetPkg !is IrPackageFragment) {
verboseln("No match as didn't find target package")
return false
}
if (targetPkg.fqName.asString() != pName) {
verboseln("No match as package name is ${targetPkg.fqName.asString()}")
return false
}
verboseln("Match")
return true
}
private fun unaryOp(id: Label<out DbExpr>, c: IrCall, callable: Label<out DbCallable>, enclosingStmt: Label<out DbStmt>) {
val locId = tw.getLocation(c)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
val dr = c.dispatchReceiver
if (dr != null) {
logger.warnElement(Severity.ErrorSevere, "Unexpected dispatch receiver found", c)
}
if (c.valueArgumentsCount < 1) {
logger.warnElement(Severity.ErrorSevere, "No arguments found", c)
return
}
extractArgument(id, c, callable, enclosingStmt, 0, "Operand null")
if (c.valueArgumentsCount > 1) {
logger.warnElement(Severity.ErrorSevere, "Extra arguments found", c)
}
}
private fun binOp(id: Label<out DbExpr>, c: IrCall, callable: Label<out DbCallable>, enclosingStmt: Label<out DbStmt>) {
val locId = tw.getLocation(c)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
val dr = c.dispatchReceiver
if (dr != null) {
logger.warnElement(Severity.ErrorSevere, "Unexpected dispatch receiver found", c)
}
if (c.valueArgumentsCount < 1) {
logger.warnElement(Severity.ErrorSevere, "No arguments found", c)
return
}
extractArgument(id, c, callable, enclosingStmt, 0, "LHS null")
if (c.valueArgumentsCount < 2) {
logger.warnElement(Severity.ErrorSevere, "No RHS found", c)
return
}
extractArgument(id, c, callable, enclosingStmt, 1, "RHS null")
if (c.valueArgumentsCount > 2) {
logger.warnElement(Severity.ErrorSevere, "Extra arguments found", c)
}
}
private fun extractArgument(id: Label<out DbExpr>, c: IrCall, callable: Label<out DbCallable>, enclosingStmt: Label<out DbStmt>, idx: Int, msg: String) {
val op = c.getValueArgument(idx)
if (op == null) {
logger.warnElement(Severity.ErrorSevere, msg, c)
} else {
extractExpressionExpr(op, callable, id, idx, enclosingStmt)
}
}
private fun getDeclaringTypeArguments(callTarget: IrFunction, receiverType: IrSimpleType): List<IrTypeArgument> {
val declaringType = callTarget.parentAsClass
val receiverClass = receiverType.classifier.owner as? IrClass ?: return listOf()
val ancestorTypes = ArrayList<IrSimpleType>()
// Populate ancestorTypes with the path from receiverType's class to its ancestor, callTarget's declaring type.
fun walkFrom(c: IrClass): Boolean {
if(declaringType == c)
return true
else {
c.superTypes.forEach {
val ancestorClass = (it as? IrSimpleType)?.classifier?.owner as? IrClass ?: return false
ancestorTypes.add(it)
if (walkFrom(ancestorClass))
return true
else
ancestorTypes.pop()
}
return false
}
}
// If a path was found, repeatedly substitute types to get the corresponding specialisation of that ancestor.
return if (!walkFrom(receiverClass)) {
logger.warnElement(Severity.ErrorSevere, "Failed to find a class declaring ${callTarget.name}", callTarget)
listOf()
} else {
var subbedType = receiverType
ancestorTypes.forEach {
val thisClass = subbedType.classifier.owner as IrClass
subbedType = it.substituteTypeArguments(thisClass.typeParameters, subbedType.arguments) as IrSimpleType
}
subbedType.arguments
}
}
fun extractCall(c: IrCall, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, enclosingStmt: Label<out DbStmt>) {
with("call", c) {
fun isFunction(pkgName: String, className: String, fName: String, hasQuestionMark: Boolean = false): Boolean {
val verbose = false
fun verboseln(s: String) { if(verbose) println(s) }
verboseln("Attempting match for $pkgName $className $fName")
val target = c.symbol.owner
if (target.name.asString() != fName) {
verboseln("No match as function name is ${target.name.asString()} not $fName")
return false
}
val extensionReceiverParameter = target.extensionReceiverParameter
val targetClass = if (extensionReceiverParameter == null) {
target.parent
} else {
val st = extensionReceiverParameter.type as? IrSimpleType
if (st?.hasQuestionMark != hasQuestionMark) {
verboseln("Nullablility of type didn't match")
return false
}
st?.classifier?.owner
}
if (targetClass !is IrClass) {
verboseln("No match as didn't find target class")
return false
}
if (targetClass.name.asString() != className) {
verboseln("No match as class name is ${targetClass.name.asString()} not $className")
return false
}
val targetPkg = targetClass.parent
if (targetPkg !is IrPackageFragment) {
verboseln("No match as didn't find target package")
return false
}
if (targetPkg.fqName.asString() != pkgName) {
verboseln("No match as package name is ${targetPkg.fqName.asString()} not $pkgName")
return false
}
verboseln("Match")
return true
}
fun isNumericFunction(fName: String): Boolean {
return isFunction("kotlin", "Int", fName) ||
isFunction("kotlin", "Byte", fName) ||
isFunction("kotlin", "Short", fName) ||
isFunction("kotlin", "Long", fName) ||
isFunction("kotlin", "Float", fName) ||
isFunction("kotlin", "Double", fName)
}
fun extractMethodAccess(syntacticCallTarget: IrFunction, extractMethodTypeArguments: Boolean = true, extractClassTypeArguments: Boolean = false) {
val callTarget = syntacticCallTarget.target
val id = tw.getFreshIdLabel<DbMethodaccess>()
val type = useType(c.type)
val locId = tw.getLocation(c)
tw.writeExprs_methodaccess(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
if (extractMethodTypeArguments) {
// type arguments at index -2, -3, ...
extractTypeArguments(c, id, callable, enclosingStmt, -2, true)
}
if (callTarget.isLocalFunction()) {
val ids = getLocallyVisibleFunctionLabels(callTarget)
val methodId = ids.function
tw.writeCallableBinding(id, methodId)
val idNewexpr = tw.getFreshIdLabel<DbNewexpr>()
tw.writeExprs_newexpr(idNewexpr, ids.type.javaResult.id, id, -1)
tw.writeExprsKotlinType(idNewexpr, ids.type.kotlinResult.id)
tw.writeHasLocation(idNewexpr, locId)
tw.writeCallableEnclosingExpr(idNewexpr, callable)
tw.writeStatementEnclosingExpr(idNewexpr, enclosingStmt)
tw.writeCallableBinding(idNewexpr, ids.constructor)
@Suppress("UNCHECKED_CAST")
tw.writeIsAnonymClass(ids.type.javaResult.id as Label<DbClass>, idNewexpr)
extractTypeAccess(pluginContext.irBuiltIns.anyType, callable, idNewexpr, -3, c, enclosingStmt)
} else {
val dr = c.dispatchReceiver
// Returns true if type is C<T1, T2, ...> where C is declared `class C<T1, T2, ...> { ... }`
fun isUnspecialised(type: IrSimpleType) =
type.classifier.owner is IrClass &&
(type.classifier.owner as IrClass).typeParameters.zip(type.arguments).all { paramAndArg ->
(paramAndArg.second as? IrTypeProjection)?.let {
// Type arg refers to the class' own type parameter?
it.variance == Variance.INVARIANT &&
it.type.classifierOrNull?.owner === paramAndArg.first
} ?: false
}
val drType = dr?.type
val methodId =
if (drType != null && extractClassTypeArguments && drType is IrSimpleType && !isUnspecialised(drType))
useFunction<DbCallable>(callTarget, getDeclaringTypeArguments(callTarget, drType))
else
useFunction<DbCallable>(callTarget)
tw.writeCallableBinding(id, methodId)
if (dr != null) {
extractExpressionExpr(dr, callable, id, -1, enclosingStmt)
} else if(callTarget.isStaticMethodOfClass) {
extractTypeAccess(callTarget.parentAsClass.toRawType(), callable, id, -1, c, enclosingStmt)
}
}
val er = c.extensionReceiver
val idxOffset: Int
if (er != null) {
extractExpressionExpr(er, callable, id, 0, enclosingStmt)
idxOffset = 1
} else {
idxOffset = 0
}
for(i in 0 until c.valueArgumentsCount) {
val arg = c.getValueArgument(i)
if(arg != null) {
extractExpressionExpr(arg, callable, id, i + idxOffset, enclosingStmt)
}
}
}
fun extractSpecialEnumFunction(fnName: String){
if (c.typeArgumentsCount != 1) {
logger.warnElement(Severity.ErrorSevere, "Expected to find exactly one type argument", c)
return
}
val func = ((c.getTypeArgument(0) as? IrSimpleType)?.classifier?.owner as? IrClass)?.declarations?.find { it is IrFunction && it.name.asString() == fnName }
if (func == null) {
logger.warnElement(Severity.ErrorSevere, "Couldn't find function $fnName on enum type", c)
return
}
extractMethodAccess(func as IrFunction, false)
}
fun binopDisp(id: Label<out DbExpr>) {
val locId = tw.getLocation(c)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
val dr = c.dispatchReceiver
if(dr == null) {
logger.warnElement(Severity.ErrorSevere, "Dispatch receiver not found", c)
} else {
extractExpressionExpr(dr, callable, id, 0, enclosingStmt)
}
if(c.valueArgumentsCount < 1) {
logger.warnElement(Severity.ErrorSevere, "No RHS found", c)
} else {
if(c.valueArgumentsCount > 1) {
logger.warnElement(Severity.ErrorSevere, "Extra arguments found", c)
}
val arg = c.getValueArgument(0)
if(arg == null) {
logger.warnElement(Severity.ErrorSevere, "RHS null", c)
} else {
extractExpressionExpr(arg, callable, id, 1, enclosingStmt)
}
}
}
val dr = c.dispatchReceiver
when {
c.origin == IrStatementOrigin.PLUS &&
(isNumericFunction("plus")
|| isFunction("kotlin", "String", "plus")) -> {
val id = tw.getFreshIdLabel<DbAddexpr>()
val type = useType(c.type)
tw.writeExprs_addexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binopDisp(id)
}
isFunction("kotlin", "String", "plus", true) -> {
// TODO: this is not correct. `a + b` becomes `(a?:"\"null\"") + (b?:"\"null\"")`.
val func = pluginContext.irBuiltIns.stringType.classOrNull?.owner?.declarations?.find { it is IrFunction && it.name.asString() == "plus" }
if (func == null) {
logger.warnElement(Severity.ErrorSevere, "Couldn't find plus function on string type", c)
return
}
extractMethodAccess(func as IrFunction)
}
c.origin == IrStatementOrigin.MINUS && isNumericFunction("minus") -> {
val id = tw.getFreshIdLabel<DbSubexpr>()
val type = useType(c.type)
tw.writeExprs_subexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binopDisp(id)
}
c.origin == IrStatementOrigin.DIV && isNumericFunction("div") -> {
val id = tw.getFreshIdLabel<DbDivexpr>()
val type = useType(c.type)
tw.writeExprs_divexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binopDisp(id)
}
c.origin == IrStatementOrigin.PERC && isNumericFunction("rem") -> {
val id = tw.getFreshIdLabel<DbRemexpr>()
val type = useType(c.type)
tw.writeExprs_remexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binopDisp(id)
}
// != gets desugared into not and ==. Here we resugar it.
// TODO: This is wrong. Kotlin `a == b` is `a?.equals(b) ?: (b === null)`
c.origin == IrStatementOrigin.EXCLEQ && isFunction("kotlin", "Boolean", "not") && c.valueArgumentsCount == 0 && dr != null && dr is IrCall && isBuiltinCallInternal(dr, "EQEQ") -> {
val id = tw.getFreshIdLabel<DbNeexpr>()
val type = useType(c.type)
tw.writeExprs_neexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, dr, callable, enclosingStmt)
}
c.origin == IrStatementOrigin.EXCLEQEQ && isFunction("kotlin", "Boolean", "not") && c.valueArgumentsCount == 0 && dr != null && dr is IrCall && isBuiltinCallInternal(dr, "EQEQEQ") -> {
val id = tw.getFreshIdLabel<DbNeexpr>()
val type = useType(c.type)
tw.writeExprs_neexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, dr, callable, enclosingStmt)
}
c.origin == IrStatementOrigin.EXCLEQ && isFunction("kotlin", "Boolean", "not") && c.valueArgumentsCount == 0 && dr != null && dr is IrCall && isBuiltinCallInternal(dr, "ieee754equals") -> {
val id = tw.getFreshIdLabel<DbNeexpr>()
val type = useType(c.type)
// TODO: Is this consistent with Java?
tw.writeExprs_neexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, dr, callable, enclosingStmt)
}
// We need to handle all the builtin operators defines in BuiltInOperatorNames in
// compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/IrBuiltIns.kt
// as they can't be extracted as external dependencies.
isBuiltinCallInternal(c, "less") -> {
if(c.origin != IrStatementOrigin.LT) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for LT: ${c.origin}", c)
}
val id = tw.getFreshIdLabel<DbLtexpr>()
val type = useType(c.type)
tw.writeExprs_ltexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "lessOrEqual") -> {
if(c.origin != IrStatementOrigin.LTEQ) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for LTEQ: ${c.origin}", c)
}
val id = tw.getFreshIdLabel<DbLeexpr>()
val type = useType(c.type)
tw.writeExprs_leexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "greater") -> {
if(c.origin != IrStatementOrigin.GT) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for GT: ${c.origin}", c)
}
val id = tw.getFreshIdLabel<DbGtexpr>()
val type = useType(c.type)
tw.writeExprs_gtexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "greaterOrEqual") -> {
if(c.origin != IrStatementOrigin.GTEQ) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for GTEQ: ${c.origin}", c)
}
val id = tw.getFreshIdLabel<DbGeexpr>()
val type = useType(c.type)
tw.writeExprs_geexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "EQEQ") -> {
if(c.origin != IrStatementOrigin.EQEQ) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for EQEQ: ${c.origin}", c)
}
// TODO: This is wrong. Kotlin `a == b` is `a?.equals(b) ?: (b === null)`
val id = tw.getFreshIdLabel<DbEqexpr>()
val type = useType(c.type)
tw.writeExprs_eqexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "EQEQEQ") -> {
if(c.origin != IrStatementOrigin.EQEQEQ) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for EQEQEQ: ${c.origin}", c)
}
val id = tw.getFreshIdLabel<DbEqexpr>()
val type = useType(c.type)
tw.writeExprs_eqexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "ieee754equals") -> {
if(c.origin != IrStatementOrigin.EQEQ) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for ieee754equals: ${c.origin}", c)
}
// TODO: Is this consistent with Java?
val id = tw.getFreshIdLabel<DbEqexpr>()
val type = useType(c.type)
tw.writeExprs_eqexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
binOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "CHECK_NOT_NULL") -> {
if(c.origin != IrStatementOrigin.EXCLEXCL) {
logger.warnElement(Severity.ErrorSevere, "Unexpected origin for CHECK_NOT_NULL: ${c.origin}", c)
}
val id = tw.getFreshIdLabel<DbNotnullexpr>()
val type = useType(c.type)
tw.writeExprs_notnullexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
unaryOp(id, c, callable, enclosingStmt)
}
isBuiltinCallInternal(c, "THROW_CCE") -> {
// TODO
logger.warnElement(Severity.ErrorSevere, "Unhandled builtin", c)
}
isBuiltinCallInternal(c, "THROW_ISE") -> {
// TODO
logger.warnElement(Severity.ErrorSevere, "Unhandled builtin", c)
}
isBuiltinCallInternal(c, "noWhenBranchMatchedException") -> {
// TODO
logger.warnElement(Severity.ErrorSevere, "Unhandled builtin", c)
}
isBuiltinCallInternal(c, "illegalArgumentException") -> {
// TODO
logger.warnElement(Severity.ErrorSevere, "Unhandled builtin", c)
}
isBuiltinCallInternal(c, "ANDAND") -> {
// TODO
logger.warnElement(Severity.ErrorSevere, "Unhandled builtin", c)
}
isBuiltinCallInternal(c, "OROR") -> {
// TODO
logger.warnElement(Severity.ErrorSevere, "Unhandled builtin", c)
}
isFunction("kotlin", "Any", "toString", true) -> {
// TODO: this is not correct. `a.toString()` becomes `(a?:"\"null\"").toString()`
val func = pluginContext.irBuiltIns.anyType.classOrNull?.owner?.declarations?.find { it is IrFunction && it.name.asString() == "toString" }
if (func == null) {
logger.warnElement(Severity.ErrorSevere, "Couldn't find toString function", c)
return
}
extractMethodAccess(func as IrFunction)
}
isBuiltinCallKotlin(c, "enumValues") -> {
extractSpecialEnumFunction("values")
}
isBuiltinCallKotlin(c, "enumValueOf") -> {
extractSpecialEnumFunction("valueOf")
}
isBuiltinCallKotlin(c, "arrayOfNulls") -> {
val id = tw.getFreshIdLabel<DbArraycreationexpr>()
val type = useType(c.type)
tw.writeExprs_arraycreationexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
val locId = tw.getLocation(c)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
if (c.typeArgumentsCount == 1) {
extractTypeArguments(c, id, callable, enclosingStmt, -1)
} else {
logger.warnElement(Severity.ErrorSevere, "Expected to find exactly one type argument in an arrayOfNulls call", c)
}
if (c.valueArgumentsCount == 1) {
val dim = c.getValueArgument(0)
if (dim != null) {
extractExpressionExpr(dim, callable, id, 0, enclosingStmt)
} else {
logger.warnElement(Severity.ErrorSevere, "Expected to find non-null argument in an arrayOfNulls call", c)
}
} else {
logger.warnElement(Severity.ErrorSevere, "Expected to find only one argument in an arrayOfNulls call", c)
}
}
isBuiltinCallKotlin(c, "arrayOf")
|| isBuiltinCallKotlin(c, "doubleArrayOf")
|| isBuiltinCallKotlin(c, "floatArrayOf")
|| isBuiltinCallKotlin(c, "longArrayOf")
|| isBuiltinCallKotlin(c, "intArrayOf")
|| isBuiltinCallKotlin(c, "charArrayOf")
|| isBuiltinCallKotlin(c, "shortArrayOf")
|| isBuiltinCallKotlin(c, "byteArrayOf")
|| isBuiltinCallKotlin(c, "booleanArrayOf") -> {
val id = tw.getFreshIdLabel<DbArraycreationexpr>()
val type = useType(c.type)
tw.writeExprs_arraycreationexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
val locId = tw.getLocation(c)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
if (isBuiltinCallKotlin(c, "arrayOf")) {
if (c.typeArgumentsCount == 1) {
extractTypeArguments(c, id, callable, enclosingStmt,-1)
} else {
logger.warnElement( Severity.ErrorSevere, "Expected to find one type argument in arrayOf call", c )
}
} else {
val elementType = c.type.getArrayElementType(pluginContext.irBuiltIns)
extractTypeAccess(elementType, callable, id, -1, c, enclosingStmt)
}
if (c.valueArgumentsCount == 1) {
val vararg = c.getValueArgument(0)
if (vararg is IrVararg) {
val initId = tw.getFreshIdLabel<DbArrayinit>()
tw.writeExprs_arrayinit(initId, type.javaResult.id, id, -2)
tw.writeExprsKotlinType(initId, type.kotlinResult.id)
tw.writeHasLocation(initId, locId)
tw.writeCallableEnclosingExpr(initId, callable)
tw.writeStatementEnclosingExpr(initId, enclosingStmt)
vararg.elements.forEachIndexed { i, arg -> extractVarargElement(arg, callable, initId, i, enclosingStmt) }
val dim = vararg.elements.size
val dimId = tw.getFreshIdLabel<DbIntegerliteral>()
val dimType = useType(pluginContext.irBuiltIns.intType)
tw.writeExprs_integerliteral(dimId, dimType.javaResult.id, id, 0)
tw.writeExprsKotlinType(dimId, dimType.kotlinResult.id)
tw.writeHasLocation(dimId, locId)
tw.writeCallableEnclosingExpr(dimId, callable)
tw.writeStatementEnclosingExpr(dimId, enclosingStmt)
tw.writeNamestrings(dim.toString(), dim.toString(), dimId)
} else {
logger.warnElement(Severity.ErrorSevere, "Expected to find vararg argument in ${c.symbol.owner.name.asString()} call", c)
}
} else {
logger.warnElement(Severity.ErrorSevere, "Expected to find only one (vararg) argument in ${c.symbol.owner.name.asString()} call", c)
}
}
isBuiltinCall(c, "<unsafe-coerce>", "kotlin.jvm.internal") -> {
if (c.valueArgumentsCount != 1) {
logger.warnElement(Severity.ErrorSevere, "Expected to find only one argument for a kotlin.jvm.internal.<unsafe-coerce>() call", c)
return
}
if (c.typeArgumentsCount != 2) {
logger.warnElement(Severity.ErrorSevere, "Expected to find two type arguments for a kotlin.jvm.internal.<unsafe-coerce>() call", c)
return
}
val id = tw.getFreshIdLabel<DbUnsafecoerceexpr>()
val locId = tw.getLocation(c)
val type = useType(c.type)
tw.writeExprs_unsafecoerceexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractTypeAccess(c.getTypeArgument(1)!!, callable, id, 0, c, enclosingStmt)
extractExpressionExpr(c.getValueArgument(0)!!, callable, id, 1, enclosingStmt)
}
else -> {
extractMethodAccess(c.symbol.owner, true, true)
}
}
}
}
private fun <T : IrSymbol> extractTypeArguments(
c: IrMemberAccessExpression<T>,
id: Label<out DbExprparent>,
callable: Label<out DbCallable>,
enclosingStmt: Label<out DbStmt>,
startIndex: Int = 0,
reverse: Boolean = false
) {
for (argIdx in 0 until c.typeArgumentsCount) {
val arg = c.getTypeArgument(argIdx)!!
val mul = if (reverse) -1 else 1
extractTypeAccess(arg, callable, id, argIdx * mul + startIndex, c, enclosingStmt, TypeContext.GENERIC_ARGUMENT)
}
}
private fun extractConstructorCall(
e: IrFunctionAccessExpression,
parent: Label<out DbExprparent>,
idx: Int,
callable: Label<out DbCallable>,
enclosingStmt: Label<out DbStmt>
) {
val id = tw.getFreshIdLabel<DbNewexpr>()
val type: TypeResults
val isAnonymous = e.type.isAnonymous
if (isAnonymous) {
if (e.typeArgumentsCount > 0) {
logger.warn("Unexpected type arguments for anonymous class constructor call")
}
val c = (e.type as IrSimpleType).classifier.owner as IrClass
type = useAnonymousClass(c)
@Suppress("UNCHECKED_CAST")
tw.writeIsAnonymClass(type.javaResult.id as Label<DbClass>, id)
} else {
type = useType(e.type)
}
val locId = tw.getLocation(e)
val methodId = useFunction<DbConstructor>(e.symbol.owner, (e.type as? IrSimpleType)?.arguments)
tw.writeExprs_newexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
tw.writeCallableBinding(id, methodId)
for (i in 0 until e.valueArgumentsCount) {
val arg = e.getValueArgument(i)
if (arg != null) {
extractExpressionExpr(arg, callable, id, i, enclosingStmt)
}
}
val dr = e.dispatchReceiver
if (dr != null) {
extractExpressionExpr(dr, callable, id, -2, enclosingStmt)
}
val typeAccessType = if (isAnonymous) {
val c = (e.type as IrSimpleType).classifier.owner as IrClass
if (c.superTypes.size == 1) {
useType(c.superTypes.first())
} else {
useType(pluginContext.irBuiltIns.anyType)
}
} else {
type
}
val typeAccessId = extractTypeAccess(typeAccessType, callable, id, -3, e, enclosingStmt)
if (e is IrConstructorCall) {
// Only extract type arguments relating to the constructed type, not the constructor itself:
e.getClassTypeArguments().forEachIndexed({ argIdx, argType ->
extractTypeAccess(argType!!, callable, typeAccessId, argIdx, e, enclosingStmt, TypeContext.GENERIC_ARGUMENT)
})
} else {
extractTypeArguments(e, typeAccessId, callable, enclosingStmt)
}
}
private val loopIdMap: MutableMap<IrLoop, Label<out DbKtloopstmt>> = mutableMapOf()
// todo: add all declaration types, not only IrFunctions.
// todo: calculating the enclosing ref type could be done through this, instead of walking up the declaration parent chain
private val declarationStack: Stack<IrDeclaration> = Stack()
abstract inner class StmtExprParent {
abstract fun stmt(e: IrExpression, callable: Label<out DbCallable>): StmtParent
abstract fun expr(e: IrExpression, callable: Label<out DbCallable>): ExprParent
}
inner class StmtParent(val parent: Label<out DbStmtparent>, val idx: Int): StmtExprParent() {
override fun stmt(e: IrExpression, callable: Label<out DbCallable>): StmtParent {
return this
}
override fun expr(e: IrExpression, callable: Label<out DbCallable>): ExprParent {
val id = tw.getFreshIdLabel<DbExprstmt>()
val locId = tw.getLocation(e)
tw.writeStmts_exprstmt(id, parent, idx, callable)
tw.writeHasLocation(id, locId)
return ExprParent(id, 0, id)
}
}
inner class ExprParent(val parent: Label<out DbExprparent>, val idx: Int, val enclosingStmt: Label<out DbStmt>): StmtExprParent() {
override fun stmt(e: IrExpression, callable: Label<out DbCallable>): StmtParent {
val id = tw.getFreshIdLabel<DbStmtexpr>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_stmtexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
return StmtParent(id, 0)
}
override fun expr(e: IrExpression, callable: Label<out DbCallable>): ExprParent {
return this
}
}
fun extractExpressionStmt(e: IrExpression, callable: Label<out DbCallable>, parent: Label<out DbStmtparent>, idx: Int) {
extractExpression(e, callable, StmtParent(parent, idx))
}
fun extractExpressionExpr(e: IrExpression, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, enclosingStmt: Label<out DbStmt>) {
extractExpression(e, callable, ExprParent(parent, idx, enclosingStmt))
}
fun extractExpression(e: IrExpression, callable: Label<out DbCallable>, parent: StmtExprParent) {
with("expression", e) {
when(e) {
is IrDelegatingConstructorCall -> {
val stmtParent = parent.stmt(e, callable)
val irCallable = declarationStack.peek()
val delegatingClass = e.symbol.owner.parent as IrClass
val currentClass = irCallable.parent as IrClass
val id: Label<out DbStmt>
if (delegatingClass != currentClass) {
id = tw.getFreshIdLabel<DbSuperconstructorinvocationstmt>()
tw.writeStmts_superconstructorinvocationstmt(id, stmtParent.parent, stmtParent.idx, callable)
} else {
id = tw.getFreshIdLabel<DbConstructorinvocationstmt>()
tw.writeStmts_constructorinvocationstmt(id, stmtParent.parent, stmtParent.idx, callable)
}
val locId = tw.getLocation(e)
val methodId = useFunction<DbConstructor>(e.symbol.owner)
tw.writeHasLocation(id, locId)
@Suppress("UNCHECKED_CAST")
tw.writeCallableBinding(id as Label<DbCaller>, methodId)
for (i in 0 until e.valueArgumentsCount) {
val arg = e.getValueArgument(i)
if (arg != null) {
extractExpressionExpr(arg, callable, id, i, id)
}
}
val dr = e.dispatchReceiver
if (dr != null) {
extractExpressionExpr(dr, callable, id, -1, id)
}
// todo: type arguments at index -2, -3, ...
}
is IrThrow -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbThrowstmt>()
val locId = tw.getLocation(e)
tw.writeStmts_throwstmt(id, stmtParent.parent, stmtParent.idx, callable)
tw.writeHasLocation(id, locId)
extractExpressionExpr(e.value, callable, id, 0, id)
}
is IrBreak -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbBreakstmt>()
tw.writeStmts_breakstmt(id, stmtParent.parent, stmtParent.idx, callable)
extractBreakContinue(e, id)
}
is IrContinue -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbContinuestmt>()
tw.writeStmts_continuestmt(id, stmtParent.parent, stmtParent.idx, callable)
extractBreakContinue(e, id)
}
is IrReturn -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbReturnstmt>()
val locId = tw.getLocation(e)
tw.writeStmts_returnstmt(id, stmtParent.parent, stmtParent.idx, callable)
tw.writeHasLocation(id, locId)
extractExpressionExpr(e.value, callable, id, 0, id)
}
is IrTry -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbTrystmt>()
val locId = tw.getLocation(e)
tw.writeStmts_trystmt(id, stmtParent.parent, stmtParent.idx, callable)
tw.writeHasLocation(id, locId)
extractExpressionStmt(e.tryResult, callable, id, -1)
val finallyStmt = e.finallyExpression
if(finallyStmt != null) {
extractExpressionStmt(finallyStmt, callable, id, -2)
}
for((catchIdx, catchClause) in e.catches.withIndex()) {
val catchId = tw.getFreshIdLabel<DbCatchclause>()
tw.writeStmts_catchclause(catchId, id, catchIdx, callable)
val catchLocId = tw.getLocation(catchClause)
tw.writeHasLocation(catchId, catchLocId)
extractTypeAccess(catchClause.catchParameter.type, callable, catchId, -1, catchClause.catchParameter, catchId)
extractVariableExpr(catchClause.catchParameter, callable, catchId, 0, catchId)
extractExpressionStmt(catchClause.result, callable, catchId, 1)
}
}
is IrContainerExpression -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbBlock>()
val locId = tw.getLocation(e)
tw.writeStmts_block(id, stmtParent.parent, stmtParent.idx, callable)
tw.writeHasLocation(id, locId)
e.statements.forEachIndexed { i, s ->
extractStatement(s, callable, id, i)
}
}
is IrWhileLoop -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbWhilestmt>()
loopIdMap[e] = id
val locId = tw.getLocation(e)
tw.writeStmts_whilestmt(id, stmtParent.parent, stmtParent.idx, callable)
tw.writeHasLocation(id, locId)
extractExpressionExpr(e.condition, callable, id, 0, id)
val body = e.body
if(body != null) {
extractExpressionStmt(body, callable, id, 1)
}
loopIdMap.remove(e)
}
is IrDoWhileLoop -> {
val stmtParent = parent.stmt(e, callable)
val id = tw.getFreshIdLabel<DbDostmt>()
loopIdMap[e] = id
val locId = tw.getLocation(e)
tw.writeStmts_dostmt(id, stmtParent.parent, stmtParent.idx, callable)
tw.writeHasLocation(id, locId)
extractExpressionExpr(e.condition, callable, id, 0, id)
val body = e.body
if(body != null) {
extractExpressionStmt(body, callable, id, 1)
}
loopIdMap.remove(e)
}
is IrInstanceInitializerCall -> {
val exprParent = parent.expr(e, callable)
val irCallable = declarationStack.peek()
if (irCallable is IrConstructor && irCallable.isPrimary) {
// Todo add parameter to field assignments
}
// Add call to <obinit>:
val id = tw.getFreshIdLabel<DbMethodaccess>()
val type = useType(e.type)
val locId = tw.getLocation(e)
val methodLabel = getFunctionLabel(irCallable.parent, null, "<obinit>", listOf(), e.type, null, functionTypeParameters = listOf(), classTypeArgsIncludingOuterClasses = listOf())
val methodId = tw.getLabelFor<DbMethod>(methodLabel)
tw.writeExprs_methodaccess(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeCallableBinding(id, methodId)
}
is IrConstructorCall -> {
val exprParent = parent.expr(e, callable)
extractConstructorCall(e, exprParent.parent, exprParent.idx, callable, exprParent.enclosingStmt)
}
is IrEnumConstructorCall -> {
val exprParent = parent.expr(e, callable)
extractConstructorCall(e, exprParent.parent, exprParent.idx, callable, exprParent.enclosingStmt)
}
is IrCall -> {
val exprParent = parent.expr(e, callable)
extractCall(e, callable, exprParent.parent, exprParent.idx, exprParent.enclosingStmt)
}
is IrStringConcatenation -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbStringtemplateexpr>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_stringtemplateexpr(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
e.arguments.forEachIndexed { i, a ->
extractExpressionExpr(a, callable, id, i, exprParent.enclosingStmt)
}
}
is IrConst<*> -> {
val exprParent = parent.expr(e, callable)
when(val v = e.value) {
is Int, is Short, is Byte -> {
val id = tw.getFreshIdLabel<DbIntegerliteral>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_integerliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeNamestrings(v.toString(), v.toString(), id)
} is Long -> {
val id = tw.getFreshIdLabel<DbLongliteral>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_longliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeNamestrings(v.toString(), v.toString(), id)
} is Float -> {
val id = tw.getFreshIdLabel<DbFloatingpointliteral>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_floatingpointliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeNamestrings(v.toString(), v.toString(), id)
} is Double -> {
val id = tw.getFreshIdLabel<DbDoubleliteral>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_doubleliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeNamestrings(v.toString(), v.toString(), id)
} is Boolean -> {
val id = tw.getFreshIdLabel<DbBooleanliteral>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_booleanliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeNamestrings(v.toString(), v.toString(), id)
} is Char -> {
val id = tw.getFreshIdLabel<DbCharacterliteral>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_characterliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeNamestrings(v.toString(), v.toString(), id)
} is String -> {
val id = tw.getFreshIdLabel<DbStringliteral>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_stringliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeNamestrings(v.toString(), v.toString(), id)
}
null -> {
val id = tw.getFreshIdLabel<DbNullliteral>()
val type = useType(e.type) // class;kotlin.Nothing
val locId = tw.getLocation(e)
tw.writeExprs_nullliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
}
else -> {
logger.warnElement(Severity.ErrorSevere, "Unrecognised IrConst: " + v.javaClass, e)
}
}
}
is IrGetValue -> {
val exprParent = parent.expr(e, callable)
val owner = e.symbol.owner
if (owner is IrValueParameter && owner.index == -1) {
val id = tw.getFreshIdLabel<DbThisaccess>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_thisaccess(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
when(val ownerParent = owner.parent) {
is IrFunction -> {
if (ownerParent.dispatchReceiverParameter == owner &&
ownerParent.extensionReceiverParameter != null) {
logger.warnElement(Severity.ErrorSevere, "Function-qualifier for this", e)
}
}
is IrClass -> {
if (ownerParent.thisReceiver == owner) {
// TODO: Type arguments
extractTypeAccess(ownerParent.typeWith(listOf()), locId, callable, id, 0, exprParent.enclosingStmt)
}
}
else -> {
logger.warnElement(Severity.ErrorSevere, "Unexpected owner parent for this access: " + ownerParent.javaClass, e)
}
}
} else {
val id = tw.getFreshIdLabel<DbVaraccess>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_varaccess(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
val vId = useValueDeclaration(owner)
tw.writeVariableBinding(id, vId)
}
}
is IrGetField -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbVaraccess>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_varaccess(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
val owner = e.symbol.owner
val vId = useField(owner)
tw.writeVariableBinding(id, vId)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
val receiver = e.receiver
if (receiver != null) {
extractExpressionExpr(receiver, callable, id, -1, exprParent.enclosingStmt)
}
}
is IrGetEnumValue -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbVaraccess>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_varaccess(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
val owner = if (e.symbol.isBound) {
e.symbol.owner
}
else {
logger.warnElement(Severity.WarnLow, "Unbound enum value, trying to use enum entry stub from descriptor", e)
@OptIn(ObsoleteDescriptorBasedAPI::class)
getIrStubFromDescriptor() { it.generateEnumEntryStub(e.symbol.descriptor) }
} ?: return
val vId = useEnumEntry(owner)
tw.writeVariableBinding(id, vId)
}
is IrSetValue,
is IrSetField -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbAssignexpr>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_assignexpr(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
val lhsId = tw.getFreshIdLabel<DbVaraccess>()
tw.writeHasLocation(lhsId, locId)
tw.writeCallableEnclosingExpr(lhsId, callable)
when (e) {
is IrSetValue -> {
val lhsType = useType(e.symbol.owner.type)
tw.writeExprs_varaccess(lhsId, lhsType.javaResult.id, id, 0)
tw.writeExprsKotlinType(lhsId, lhsType.kotlinResult.id)
// TODO: location, enclosing callable?
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
val vId = useValueDeclaration(e.symbol.owner)
tw.writeVariableBinding(lhsId, vId)
extractExpressionExpr(e.value, callable, id, 1, exprParent.enclosingStmt)
}
is IrSetField -> {
val lhsType = useType(e.symbol.owner.type)
tw.writeExprs_varaccess(lhsId, lhsType.javaResult.id, id, 0)
tw.writeExprsKotlinType(lhsId, lhsType.kotlinResult.id)
// TODO: location, enclosing callable?
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
val vId = useField(e.symbol.owner)
tw.writeVariableBinding(lhsId, vId)
extractExpressionExpr(e.value, callable, id, 1, exprParent.enclosingStmt)
val receiver = e.receiver
if (receiver != null) {
extractExpressionExpr(receiver, callable, lhsId, -1, exprParent.enclosingStmt)
}
}
else -> {
logger.warnElement(Severity.ErrorSevere, "Unhandled IrSet* element.", e)
}
}
}
is IrWhen -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbWhenexpr>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_whenexpr(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
if(e.origin == IrStatementOrigin.IF) {
tw.writeWhen_if(id)
}
e.branches.forEachIndexed { i, b ->
val bId = tw.getFreshIdLabel<DbWhenbranch>()
val bLocId = tw.getLocation(b)
tw.writeWhen_branch(bId, id, i)
tw.writeHasLocation(bId, bLocId)
extractExpressionExpr(b.condition, callable, bId, 0, exprParent.enclosingStmt)
extractExpressionStmt(b.result, callable, bId, 1)
if(b is IrElseBranch) {
tw.writeWhen_branch_else(bId)
}
}
}
is IrGetClass -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbGetclassexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_getclassexpr(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 0, exprParent.enclosingStmt)
}
is IrTypeOperatorCall -> {
val exprParent = parent.expr(e, callable)
extractTypeOperatorCall(e, callable, exprParent.parent, exprParent.idx, exprParent.enclosingStmt)
}
is IrVararg -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbVarargexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_varargexpr(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
e.elements.forEachIndexed { i, arg -> extractVarargElement(arg, callable, id, i, exprParent.enclosingStmt) }
}
is IrGetObjectValue -> {
// For `object MyObject { ... }`, the .class has an
// automatically-generated `public static final MyObject INSTANCE`
// field that we are accessing here.
val exprParent = parent.expr(e, callable)
val c = if (e.symbol.isBound) {
e.symbol.owner
}
else {
logger.warnElement(Severity.WarnLow, "Unbound object value, trying to use class stub from descriptor", e)
@OptIn(ObsoleteDescriptorBasedAPI::class)
getIrStubFromDescriptor() { it.generateClassStub(e.symbol.descriptor) }
} ?: return
val instance = if (c.isCompanion) useCompanionObjectClassInstance(c) else useObjectClassInstance(c)
if (instance != null) {
val id = tw.getFreshIdLabel<DbVaraccess>()
val type = useType(e.type)
val locId = tw.getLocation(e)
tw.writeExprs_varaccess(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
tw.writeVariableBinding(id, instance.id)
}
}
is IrFunctionReference -> {
extractFunctionReference(e, parent, callable)
}
is IrFunctionExpression -> {
/*
* Extract generated class:
* ```
* class C : Any, kotlin.FunctionI<T0,T1, ... TI, R> {
* constructor() { super(); }
* fun invoke(a0:T0, a1:T1, ... aI: TI): R { ... }
* }
* ```
* or in case of big arity lambdas
* ```
* class C : Any, kotlin.FunctionN<R> {
* constructor() { super(); }
* fun invoke(a0:T0, a1:T1, ... aI: TI): R { ... }
* fun invoke(vararg args: Any?): R {
* return invoke(args[0] as T0, args[1] as T1, ..., args[I] as TI)
* }
* }
* ```
**/
val ids = getLocallyVisibleFunctionLabels(e.function)
val locId = tw.getLocation(e)
val ext = e.function.extensionReceiverParameter
val parameters = if (ext != null) {
listOf(ext) + e.function.valueParameters
} else {
e.function.valueParameters
}
var types = parameters.map { it.type }
types += e.function.returnType
val fnInterfaceType = getFunctionalInterfaceType(types)
val id = extractGeneratedClass(
e.function, // We're adding this function as a member, and changing its name to `invoke` to implement `kotlin.FunctionX<,,,>.invoke(,,)`
listOf(pluginContext.irBuiltIns.anyType, fnInterfaceType))
if (types.size > BuiltInFunctionArity.BIG_ARITY) {
implementFunctionNInvoke(e.function, ids, locId, parameters)
}
val exprParent = parent.expr(e, callable)
val idLambdaExpr = tw.getFreshIdLabel<DbLambdaexpr>()
tw.writeExprs_lambdaexpr(idLambdaExpr, ids.type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(idLambdaExpr, ids.type.kotlinResult.id)
tw.writeHasLocation(idLambdaExpr, locId)
tw.writeCallableEnclosingExpr(idLambdaExpr, callable)
tw.writeStatementEnclosingExpr(idLambdaExpr, exprParent.enclosingStmt)
tw.writeCallableBinding(idLambdaExpr, ids.constructor)
extractTypeAccess(fnInterfaceType, callable, idLambdaExpr, -3, e, exprParent.enclosingStmt)
// todo: fix hard coded block body of lambda
tw.writeLambdaKind(idLambdaExpr, 1)
tw.writeIsAnonymClass(id, idLambdaExpr)
}
is IrClassReference -> {
val exprParent = parent.expr(e, callable)
val id = tw.getFreshIdLabel<DbTypeliteral>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_typeliteral(id, type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, exprParent.enclosingStmt)
extractTypeAccess(e.classType, locId, callable, id, 0, exprParent.enclosingStmt)
}
is IrPropertyReference -> {
// TODO
logger.warnElement(Severity.ErrorSevere, "Unhandled IrPropertyReference", e)
}
else -> {
logger.warnElement(Severity.ErrorSevere, "Unrecognised IrExpression: " + e.javaClass, e)
}
}
return
}
}
private fun extractFunctionReference(
functionReferenceExpr: IrFunctionReference,
parent: StmtExprParent,
callable: Label<out DbCallable>
) {
with("function reference", functionReferenceExpr) {
val target = functionReferenceExpr.reflectionTarget ?: run {
logger.warnElement(Severity.ErrorSevere, "Expected to find reflection target for function reference. Using underlying symbol instead.", functionReferenceExpr)
functionReferenceExpr.symbol
}
/*
* Extract generated class:
* ```
* class C : Any, kotlin.FunctionI<T0,T1, ... TI, R> {
* private dispatchReceiver: TD
* private extensionReceiver: TE
* constructor(dispatchReceiver: TD, extensionReceiver: TE) {
* super()
* this.dispatchReceiver = dispatchReceiver
* this.extensionReceiver = extensionReceiver
* }
* fun invoke(a0:T0, a1:T1, ... aI: TI): R { return this.dispatchReceiver.FN(a0,a1,...,aI) } OR
* fun invoke( a1:T1, ... aI: TI): R { return this.dispatchReceiver.FN(this.dispatchReceiver,a1,...,aI) } OR
* fun invoke(a0:T0, a1:T1, ... aI: TI): R { return Ctor(a0,a1,...,aI) }
* }
* ```
* or in case of big arity lambdas ????
* ```
* class C : Any, kotlin.FunctionN<R> {
* private receiver: TD
* constructor(receiver: TD) { super(); this.receiver = receiver; }
* fun invoke(vararg args: Any?): R {
* return this.receiver.FN(args[0] as T0, args[1] as T1, ..., args[I] as TI)
* }
* }
* ```
**/
val typeArguments = if (target is IrConstructorSymbol) {
(target.owner.returnType as? IrSimpleType)?.arguments
} else {
(functionReferenceExpr.dispatchReceiver?.type as? IrSimpleType)?.arguments
}
val targetCallableId = useFunction<DbCallable>(target.owner, typeArguments)
val locId = tw.getLocation(functionReferenceExpr)
val extensionParameter = target.owner.extensionReceiverParameter
val dispatchParameter = target.owner.dispatchReceiverParameter
var parameters = LinkedList(target.owner.valueParameters)
if (extensionParameter != null && functionReferenceExpr.extensionReceiver == null) {
parameters.addFirst(extensionParameter)
}
if (dispatchParameter != null && functionReferenceExpr.dispatchReceiver == null) {
parameters.addFirst(dispatchParameter)
}
val parameterTypes = parameters.map { it.type }
val functionNTypeArguments = parameterTypes + target.owner.returnType
val fnInterfaceType = getFunctionalInterfaceType(functionNTypeArguments)
val javaResult = TypeResult(tw.getFreshIdLabel<DbClass>(), "", "")
val kotlinResult = TypeResult(tw.getFreshIdLabel<DbKt_notnull_type>(), "", "")
tw.writeKt_notnull_types(kotlinResult.id, javaResult.id)
val ids = LocallyVisibleFunctionLabels(
TypeResults(javaResult, kotlinResult),
tw.getFreshIdLabel(),
tw.getFreshIdLabel(),
tw.getFreshIdLabel()
)
val currentDeclaration = declarationStack.peek()
val id = extractGeneratedClass(ids, listOf(pluginContext.irBuiltIns.anyType, fnInterfaceType), locId, currentDeclaration)
fun writeExpressionMetadataToTrapFile(id: Label<out DbExpr>, callable: Label<out DbCallable>, stmt: Label<out DbStmt>) {
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, stmt)
}
/**
* Extract a parameter to field assignment, such as `this.field = paramName` below:
* ```
* constructor(paramName: type) {
* this.field = paramName
* }
* ```
*/
fun extractParameterToFieldAssignmentInConstructor(
paramName: String,
type: IrType,
fieldId: Label<DbField>,
paramIdx: Int,
stmtIdx: Int
) {
val paramId = tw.getFreshIdLabel<DbParam>()
val paramType = extractValueParameter(paramId, type, paramName, locId, ids.constructor, paramIdx, null, paramId)
val assignmentStmtId = tw.getFreshIdLabel<DbExprstmt>()
tw.writeStmts_exprstmt(assignmentStmtId, ids.constructorBlock, stmtIdx, ids.constructor)
tw.writeHasLocation(assignmentStmtId, locId)
val assignmentId = tw.getFreshIdLabel<DbAssignexpr>()
tw.writeExprs_assignexpr(assignmentId, paramType.javaResult.id, assignmentStmtId, 0)
tw.writeExprsKotlinType(assignmentId, paramType.kotlinResult.id)
writeExpressionMetadataToTrapFile(assignmentId, ids.constructor, assignmentStmtId)
val lhsId = tw.getFreshIdLabel<DbVaraccess>()
tw.writeExprs_varaccess(lhsId, paramType.javaResult.id, assignmentId, 0)
tw.writeExprsKotlinType(lhsId, paramType.kotlinResult.id)
tw.writeVariableBinding(lhsId, fieldId)
writeExpressionMetadataToTrapFile(lhsId, ids.constructor, assignmentStmtId)
val thisId = tw.getFreshIdLabel<DbThisaccess>()
tw.writeExprs_thisaccess(thisId, ids.type.javaResult.id, lhsId, -1)
tw.writeExprsKotlinType(thisId, ids.type.kotlinResult.id)
writeExpressionMetadataToTrapFile(thisId, ids.constructor, assignmentStmtId)
val rhsId = tw.getFreshIdLabel<DbVaraccess>()
tw.writeExprs_varaccess(rhsId, paramType.javaResult.id, assignmentId, 1)
tw.writeExprsKotlinType(rhsId, paramType.kotlinResult.id)
tw.writeVariableBinding(rhsId, paramId)
writeExpressionMetadataToTrapFile(rhsId, ids.constructor, assignmentStmtId)
}
val firstAssignmentStmtIdx = 1
val extensionParameterIndex: Int
val dispatchReceiver = functionReferenceExpr.dispatchReceiver
val dispatchFieldId: Label<DbField>?
if (dispatchReceiver != null) {
dispatchFieldId = tw.getFreshIdLabel()
extensionParameterIndex = 1
extractField(dispatchFieldId, "<dispatchReceiver>", dispatchReceiver.type, id, locId, DescriptorVisibilities.PRIVATE, functionReferenceExpr, false)
extractParameterToFieldAssignmentInConstructor("<dispatchReceiver>", dispatchReceiver.type, dispatchFieldId, 0, firstAssignmentStmtIdx)
} else {
dispatchFieldId = null
extensionParameterIndex = 0
}
val extensionReceiver = functionReferenceExpr.extensionReceiver
val extensionFieldId: Label<out DbField>?
if (extensionReceiver != null) {
extensionFieldId = tw.getFreshIdLabel()
extractField(extensionFieldId, "<extensionReceiver>", extensionReceiver.type, id, locId, DescriptorVisibilities.PRIVATE, functionReferenceExpr, false)
extractParameterToFieldAssignmentInConstructor( "<extensionReceiver>", extensionReceiver.type, extensionFieldId, 0 + extensionParameterIndex, firstAssignmentStmtIdx + extensionParameterIndex)
} else {
extensionFieldId = null
}
val funLabels = if (functionNTypeArguments.size > BuiltInFunctionArity.BIG_ARITY) {
addFunctionNInvoke(target.owner.returnType, id, locId)
} else {
addFunctionInvoke(parameterTypes, target.owner.returnType, id, locId)
}
// Return statement of generated function:
val retId = tw.getFreshIdLabel<DbReturnstmt>()
tw.writeStmts_returnstmt(retId, funLabels.blockId, 0, funLabels.methodId)
tw.writeHasLocation(retId, locId)
// Call to target function:
val dispatchReceiverIdx: Int
val callId: Label<out DbExpr>
val callType = useType(target.owner.returnType)
if (target is IrConstructorSymbol) {
callId = tw.getFreshIdLabel<DbNewexpr>()
tw.writeExprs_newexpr(callId, callType.javaResult.id, retId, 0)
tw.writeExprsKotlinType(callId, callType.kotlinResult.id)
val typeAccessId = extractTypeAccess(callType, locId, funLabels.methodId, callId, -3, retId)
extractTypeArguments(functionReferenceExpr, typeAccessId, funLabels.methodId, retId)
dispatchReceiverIdx = -2
} else {
callId = tw.getFreshIdLabel<DbMethodaccess>()
tw.writeExprs_methodaccess(callId, callType.javaResult.id, retId, 0)
tw.writeExprsKotlinType(callId, callType.kotlinResult.id)
extractTypeArguments(functionReferenceExpr, callId, funLabels.methodId, retId, -2, true)
dispatchReceiverIdx = -1
}
writeExpressionMetadataToTrapFile(callId, funLabels.methodId, retId)
@Suppress("UNCHECKED_CAST")
tw.writeCallableBinding(callId as Label<out DbCaller>, targetCallableId)
fun writeVariableAccessInInvokeBody(
pType: TypeResults,
idx: Int,
variable: Label<out DbVariable>
): Label<DbVaraccess> {
val pId = tw.getFreshIdLabel<DbVaraccess>()
tw.writeExprs_varaccess(pId, pType.javaResult.id, callId, idx)
tw.writeExprsKotlinType(pId, pType.kotlinResult.id)
tw.writeVariableBinding(pId, variable)
writeExpressionMetadataToTrapFile(pId, funLabels.methodId, retId)
return pId
}
fun writeFieldAccessInInvokeBody(pType: IrType, idx: Int, variable: Label<out DbField>) {
val accessId = writeVariableAccessInInvokeBody(useType(pType), idx, variable)
val thisId = tw.getFreshIdLabel<DbThisaccess>()
tw.writeExprs_thisaccess(thisId, ids.type.javaResult.id, accessId, -1)
tw.writeExprsKotlinType(thisId, ids.type.kotlinResult.id)
writeExpressionMetadataToTrapFile(thisId, funLabels.methodId, retId)
}
val useFirstArgAsDispatch: Boolean
if (dispatchReceiver != null) {
writeFieldAccessInInvokeBody(dispatchReceiver.type, dispatchReceiverIdx, dispatchFieldId!!)
useFirstArgAsDispatch = false
} else {
useFirstArgAsDispatch = dispatchParameter != null
}
val extensionIdxOffset: Int
if (extensionReceiver != null) {
writeFieldAccessInInvokeBody(extensionReceiver.type, 0, extensionFieldId!!)
extensionIdxOffset = 1
} else {
extensionIdxOffset = 0
}
if (functionNTypeArguments.size > BuiltInFunctionArity.BIG_ARITY) {
addArgumentsToInvocationInInvokeNBody(parameters, funLabels, retId, callId, locId, { exp -> writeExpressionMetadataToTrapFile(exp, funLabels.methodId, retId) }, extensionIdxOffset, useFirstArgAsDispatch, dispatchReceiverIdx)
} else {
val dispatchIdxOffset = if (useFirstArgAsDispatch) 1 else 0
for ((pIdx, p) in funLabels.parameters.withIndex()) {
val childIdx = if (pIdx == 0 && useFirstArgAsDispatch) {
dispatchReceiverIdx
} else {
pIdx + extensionIdxOffset - dispatchIdxOffset
}
writeVariableAccessInInvokeBody(p.second, childIdx, p.first)
}
}
// Add constructor (member ref) call:
val exprParent = parent.expr(functionReferenceExpr, callable)
val idMemberRef = tw.getFreshIdLabel<DbMemberref>()
tw.writeExprs_memberref(idMemberRef, ids.type.javaResult.id, exprParent.parent, exprParent.idx)
tw.writeExprsKotlinType(idMemberRef, ids.type.kotlinResult.id)
tw.writeHasLocation(idMemberRef, locId)
tw.writeCallableEnclosingExpr(idMemberRef, callable)
tw.writeStatementEnclosingExpr(idMemberRef, exprParent.enclosingStmt)
tw.writeCallableBinding(idMemberRef, ids.constructor)
extractTypeAccess(fnInterfaceType, locId, callable, idMemberRef, -3, exprParent.enclosingStmt)
tw.writeMemberRefBinding(idMemberRef, targetCallableId)
// constructor arguments:
if (dispatchReceiver != null) {
extractExpressionExpr(dispatchReceiver, callable, idMemberRef, 0, exprParent.enclosingStmt)
}
if (extensionReceiver != null) {
extractExpressionExpr(extensionReceiver, callable, idMemberRef, 0 + extensionParameterIndex, exprParent.enclosingStmt)
}
tw.writeIsAnonymClass(id, idMemberRef)
}
}
private fun getFunctionalInterfaceType(functionNTypeArguments: List<IrType>) =
if (functionNTypeArguments.size > BuiltInFunctionArity.BIG_ARITY) {
pluginContext.referenceClass(FqName("kotlin.jvm.functions.FunctionN"))!!
.typeWith(functionNTypeArguments.last())
} else {
functionN(pluginContext)(functionNTypeArguments.size - 1).typeWith(functionNTypeArguments)
}
private data class FunctionLabels(
val methodId: Label<DbMethod>,
val blockId: Label<DbBlock>,
val parameters: List<Pair<Label<DbParam>, TypeResults>>)
/**
* Adds a function `invoke(a: Any[])` with the specified return type to the class identified by parentId.
*/
private fun addFunctionNInvoke(returnType: IrType, parentId: Label<out DbReftype>, locId: Label<DbLocation>): FunctionLabels {
return addFunctionInvoke(listOf(pluginContext.irBuiltIns.arrayClass.typeWith(pluginContext.irBuiltIns.anyNType)), returnType, parentId, locId)
}
/**
* Adds a function named "invoke" with the specified parameter types and return type to the class identified by parentId.
*/
private fun addFunctionInvoke(parameterTypes: List<IrType>, returnType: IrType, parentId: Label<out DbReftype>, locId: Label<DbLocation>): FunctionLabels {
val methodId = tw.getFreshIdLabel<DbMethod>()
val parameters = parameterTypes.mapIndexed { idx, p ->
val paramId = tw.getFreshIdLabel<DbParam>()
val paramType = extractValueParameter(paramId, p, "a$idx", locId, methodId, idx, null, paramId)
Pair(paramId, paramType)
}
val paramsSignature = parameters.joinToString(separator = ",", prefix = "(", postfix = ")") { it.second.javaResult.signature!! }
val rt = useType(returnType, TypeContext.RETURN)
val shortName = OperatorNameConventions.INVOKE.asString()
tw.writeMethods(methodId, shortName, "$shortName$paramsSignature", rt.javaResult.id, parentId, methodId)
tw.writeMethodsKotlinType(methodId, rt.kotlinResult.id)
tw.writeHasLocation(methodId, locId)
// Block
val blockId = tw.getFreshIdLabel<DbBlock>()
tw.writeStmts_block(blockId, methodId, 0, methodId)
tw.writeHasLocation(blockId, locId)
return FunctionLabels(methodId, blockId, parameters)
}
/*
* This function generates an implementation for `fun kotlin.FunctionN<R>.invoke(vararg args: Any?): R`
*
* The following body is added:
* ```
* fun invoke(vararg args: Any?): R {
* return invoke(args[0] as T0, args[1] as T1, ..., args[I] as TI)
* }
* ```
* */
private fun implementFunctionNInvoke(
lambda: IrFunction,
ids: LocallyVisibleFunctionLabels,
locId: Label<DbLocation>,
parameters: List<IrValueParameter>
) {
@Suppress("UNCHECKED_CAST")
val funLabels = addFunctionNInvoke(lambda.returnType, ids.type.javaResult.id as Label<DbReftype>, locId)
// Return
val retId = tw.getFreshIdLabel<DbReturnstmt>()
tw.writeStmts_returnstmt(retId, funLabels.blockId, 0, funLabels.methodId)
tw.writeHasLocation(retId, locId)
fun extractCommonExpr(id: Label<out DbExpr>) {
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, funLabels.methodId)
tw.writeStatementEnclosingExpr(id, retId)
}
// Call to original `invoke`:
val callId = tw.getFreshIdLabel<DbMethodaccess>()
val callType = useType(lambda.returnType)
tw.writeExprs_methodaccess(callId, callType.javaResult.id, retId, 0)
tw.writeExprsKotlinType(callId, callType.kotlinResult.id)
extractCommonExpr(callId)
val calledMethodId = useFunction<DbMethod>(lambda)
tw.writeCallableBinding(callId, calledMethodId)
// this access
val thisId = tw.getFreshIdLabel<DbThisaccess>()
tw.writeExprs_thisaccess(thisId, ids.type.javaResult.id, callId, -1)
tw.writeExprsKotlinType(thisId, ids.type.kotlinResult.id)
extractCommonExpr(thisId)
addArgumentsToInvocationInInvokeNBody(parameters, funLabels, retId, callId, locId, ::extractCommonExpr)
}
/**
* Adds the arguments to the method call inside `invoke(a0: Any[])`. Each argument is an array access with a cast:
*
* ```
* fun invoke(args: Any[]) : T {
* return fn(args[0] as T0, args[1] as T1, ...)
* }
* ```
*/
private fun addArgumentsToInvocationInInvokeNBody(
parameters: List<IrValueParameter>,
funLabels: FunctionLabels,
retId: Label<DbReturnstmt>,
callId: Label<out DbExprparent>,
locId: Label<DbLocation>,
extractCommonExpr: (Label<out DbExpr>) -> Unit,
firstArgumentOffset: Int = 0,
useFirstArgAsDispatch: Boolean = false,
dispatchReceiverIdx: Int = -1
) {
val intType = useType(pluginContext.irBuiltIns.intType)
val argsParamType = pluginContext.irBuiltIns.arrayClass.typeWith(pluginContext.irBuiltIns.anyNType)
val argsType = useType(argsParamType)
val anyNType = useType(pluginContext.irBuiltIns.anyNType)
val arrayIndexerFunction = pluginContext.irBuiltIns.arrayClass.owner.declarations.find { it is IrFunction && it.name.asString() == "get" }
@Suppress("UNCHECKED_CAST")
val arrayIndexerFunctionId = useFunction<DbMethod>(arrayIndexerFunction as IrFunction)
val dispatchIdxOffset = if (useFirstArgAsDispatch) 1 else 0
for ((pIdx, p) in parameters.withIndex()) {
// `args[i] as Ti` is generated below for each parameter
val childIdx =
if (pIdx == 0 && useFirstArgAsDispatch) {
dispatchReceiverIdx
} else {
pIdx + firstArgumentOffset - dispatchIdxOffset
}
// cast
val castId = tw.getFreshIdLabel<DbCastexpr>()
val type = useType(p.type)
tw.writeExprs_castexpr(castId, type.javaResult.id, callId, childIdx)
tw.writeExprsKotlinType(castId, type.kotlinResult.id)
extractCommonExpr(castId)
// type access
extractTypeAccess(p.type, locId, funLabels.methodId, castId, 0, retId)
// element access: `args.get(i)`
val getCallId = tw.getFreshIdLabel<DbMethodaccess>()
tw.writeExprs_methodaccess(getCallId, anyNType.javaResult.id, castId, 1)
tw.writeExprsKotlinType(getCallId, anyNType.kotlinResult.id)
extractCommonExpr(getCallId)
tw.writeCallableBinding(getCallId, arrayIndexerFunctionId)
// parameter access:
val argsAccessId = tw.getFreshIdLabel<DbVaraccess>()
tw.writeExprs_varaccess(argsAccessId, argsType.javaResult.id, getCallId, -1)
tw.writeExprsKotlinType(argsAccessId, argsType.kotlinResult.id)
extractCommonExpr(argsAccessId)
tw.writeVariableBinding(argsAccessId, funLabels.parameters.first().first)
// index access:
val indexId = tw.getFreshIdLabel<DbIntegerliteral>()
tw.writeExprs_integerliteral(indexId, intType.javaResult.id, getCallId, pIdx)
tw.writeExprsKotlinType(indexId, intType.kotlinResult.id)
extractCommonExpr(indexId)
tw.writeNamestrings(pIdx.toString(), pIdx.toString(), indexId)
}
}
fun extractVarargElement(e: IrVarargElement, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, enclosingStmt: Label<out DbStmt>) {
with("vararg element", e) {
when(e) {
is IrExpression -> {
extractExpressionExpr(e, callable, parent, idx, enclosingStmt)
}
is IrSpreadElement -> {
// TODO:
logger.warnElement(Severity.ErrorSevere, "Unhandled IrSpreadElement", e)
}
else -> {
logger.warnElement(Severity.ErrorSevere, "Unrecognised IrVarargElement: " + e.javaClass, e)
}
}
}
}
private fun extractTypeAccess(type: TypeResults, location: Label<DbLocation>, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, enclosingStmt: Label<out DbStmt>): Label<out DbExpr> {
val id = extractTypeAccess(type, location, parent, idx)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
return id
}
private fun extractTypeAccess(type: TypeResults, location: Label<DbLocation>, parent: Label<out DbExprparent>, idx: Int): Label<out DbExpr> {
// TODO: elementForLocation allows us to give some sort of
// location, but a proper location for the type access will
// require upstream changes
val id = tw.getFreshIdLabel<DbUnannotatedtypeaccess>()
tw.writeExprs_unannotatedtypeaccess(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, location)
return id
}
private fun extractTypeAccess(t: IrType, location: Label<DbLocation>, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, enclosingStmt: Label<out DbStmt>, typeContext: TypeContext = TypeContext.OTHER): Label<out DbExpr> {
return extractTypeAccess(useType(t, typeContext), location, callable, parent, idx, enclosingStmt)
}
private fun extractTypeAccess(t: TypeResults, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, elementForLocation: IrElement, enclosingStmt: Label<out DbStmt>): Label<out DbExpr> {
return extractTypeAccess(t, tw.getLocation(elementForLocation), callable, parent, idx, enclosingStmt)
}
private fun extractTypeAccess(t: IrType, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, elementForLocation: IrElement, enclosingStmt: Label<out DbStmt>, typeContext: TypeContext = TypeContext.OTHER): Label<out DbExpr> {
return extractTypeAccess(useType(t, typeContext), callable, parent, idx, elementForLocation, enclosingStmt)
}
fun extractTypeOperatorCall(e: IrTypeOperatorCall, callable: Label<out DbCallable>, parent: Label<out DbExprparent>, idx: Int, enclosingStmt: Label<out DbStmt>) {
with("type operator call", e) {
when(e.operator) {
IrTypeOperator.CAST -> {
val id = tw.getFreshIdLabel<DbCastexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_castexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractTypeAccess(e.typeOperand, callable, id, 0, e, enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 1, enclosingStmt)
}
IrTypeOperator.IMPLICIT_CAST -> {
val id = tw.getFreshIdLabel<DbImplicitcastexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_implicitcastexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractTypeAccess(e.typeOperand, callable, id, 0, e, enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 1, enclosingStmt)
}
IrTypeOperator.IMPLICIT_NOTNULL -> {
val id = tw.getFreshIdLabel<DbImplicitnotnullexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_implicitnotnullexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractTypeAccess(e.typeOperand, callable, id, 0, e, enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 1, enclosingStmt)
}
IrTypeOperator.IMPLICIT_COERCION_TO_UNIT -> {
val id = tw.getFreshIdLabel<DbImplicitcoerciontounitexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_implicitcoerciontounitexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractTypeAccess(e.typeOperand, callable, id, 0, e, enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 1, enclosingStmt)
}
IrTypeOperator.SAFE_CAST -> {
val id = tw.getFreshIdLabel<DbSafecastexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_safecastexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractTypeAccess(e.typeOperand, callable, id, 0, e, enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 1, enclosingStmt)
}
IrTypeOperator.INSTANCEOF -> {
val id = tw.getFreshIdLabel<DbInstanceofexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_instanceofexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 0, enclosingStmt)
extractTypeAccess(e.typeOperand, callable, id, 1, e, enclosingStmt)
}
IrTypeOperator.NOT_INSTANCEOF -> {
val id = tw.getFreshIdLabel<DbNotinstanceofexpr>()
val locId = tw.getLocation(e)
val type = useType(e.type)
tw.writeExprs_notinstanceofexpr(id, type.javaResult.id, parent, idx)
tw.writeExprsKotlinType(id, type.kotlinResult.id)
tw.writeHasLocation(id, locId)
tw.writeCallableEnclosingExpr(id, callable)
tw.writeStatementEnclosingExpr(id, enclosingStmt)
extractExpressionExpr(e.argument, callable, id, 0, enclosingStmt)
extractTypeAccess(e.typeOperand, callable, id, 1, e, enclosingStmt)
}
IrTypeOperator.SAM_CONVERSION -> {
// TODO:
logger.warnElement(Severity.ErrorSevere, "Unhandled IrTypeOperatorCall for SAM_CONVERSION: " + e.render(), e)
}
else -> {
logger.warnElement(Severity.ErrorSevere, "Unrecognised IrTypeOperatorCall for ${e.operator}: " + e.render(), e)
}
}
}
}
private fun extractBreakContinue(
e: IrBreakContinue,
id: Label<out DbBreakcontinuestmt>
) {
with("break/continue", e) {
val locId = tw.getLocation(e)
tw.writeHasLocation(id, locId)
val label = e.label
if (label != null) {
tw.writeNamestrings(label, "", id)
}
val loopId = loopIdMap[e.loop]
if (loopId == null) {
logger.warnElement(Severity.ErrorSevere, "Missing break/continue target", e)
return
}
tw.writeKtBreakContinueTargets(id, loopId)
}
}
private val IrType.isAnonymous: Boolean
get() = ((this as? IrSimpleType)?.classifier?.owner as? IrClass)?.isAnonymousObject ?: false
private fun addVisibilityModifierToLocalOrAnonymousClass(id: Label<out DbModifiable>) {
addModifiers(id, "private")
}
/**
* Extracts the class around a local function, a lambda, or a function reference.
*/
private fun extractGeneratedClass(
ids: LocallyVisibleFunctionLabels,
superTypes: List<IrType>,
locId: Label<DbLocation>,
currentDeclaration: IrDeclaration
): Label<out DbClass> {
// Write class
@Suppress("UNCHECKED_CAST")
val id = ids.type.javaResult.id as Label<out DbClass>
val pkgId = extractPackage("")
tw.writeClasses(id, "", pkgId, id)
tw.writeHasLocation(id, locId)
// Extract constructor
val unitType = useType(pluginContext.irBuiltIns.unitType)
tw.writeConstrs(ids.constructor, "", "", unitType.javaResult.id, id, ids.constructor)
tw.writeConstrsKotlinType(ids.constructor, unitType.kotlinResult.id)
tw.writeHasLocation(ids.constructor, locId)
addModifiers(ids.constructor, "public")
// Constructor body
val constructorBlockId = ids.constructorBlock
tw.writeStmts_block(constructorBlockId, ids.constructor, 0, ids.constructor)
tw.writeHasLocation(constructorBlockId, locId)
// Super call
val superCallId = tw.getFreshIdLabel<DbSuperconstructorinvocationstmt>()
tw.writeStmts_superconstructorinvocationstmt(superCallId, constructorBlockId, 0, ids.constructor)
val baseConstructor = superTypes.first().classOrNull!!.owner.declarations.find { it is IrFunction && it.symbol is IrConstructorSymbol }
val baseConstructorId = useFunction<DbConstructor>(baseConstructor as IrFunction)
tw.writeHasLocation(superCallId, locId)
@Suppress("UNCHECKED_CAST")
tw.writeCallableBinding(superCallId as Label<DbCaller>, baseConstructorId)
// TODO: We might need to add an `<obinit>` function, and a call to it to match other classes
addModifiers(id, "final")
addVisibilityModifierToLocalOrAnonymousClass(id)
extractClassSupertypes(superTypes, listOf(), id)
var parent: IrDeclarationParent? = currentDeclaration.parent
while (parent != null) {
// todo: merge this with the implementation in `extractClassSource`
if (parent is IrClass) {
val parentId =
if (parent.isAnonymousObject) {
@Suppress("UNCHECKED_CAST")
useAnonymousClass(parent).javaResult.id as Label<out DbClass>
} else {
useClassInstance(parent, listOf()).typeResult.id
}
tw.writeEnclInReftype(id, parentId)
break
}
if (parent is IrFile) {
if (this.filePath != parent.path) {
logger.warn(Severity.ErrorSevere, "Unexpected file parent found")
}
val fileId = extractFileClass(parent)
tw.writeEnclInReftype(id, fileId)
break
}
parent = (parent as? IrDeclaration)?.parent
}
return id
}
/**
* Extracts the class around a local function or a lambda.
*/
private fun extractGeneratedClass(localFunction: IrFunction, superTypes: List<IrType>) : Label<out DbClass> {
with("generated class", localFunction) {
val ids = getLocallyVisibleFunctionLabels(localFunction)
val id = extractGeneratedClass(ids, superTypes, tw.getLocation(localFunction), localFunction)
// Extract local function as a member
extractFunctionIfReal(localFunction, id, true, null, listOf())
return id
}
}
private inner class DeclarationStackAdjuster(declaration: IrDeclaration): Closeable {
init {
declarationStack.push(declaration)
}
override fun close() {
declarationStack.pop()
}
}
}