[FIR2IR] Use FIR-specific methods to search for overridden functions

This commit is contained in:
Mikhail Glukhikh
2020-07-10 14:52:38 +03:00
parent 59cc9d4bc6
commit 1bbed6c4ed
19 changed files with 73 additions and 33 deletions
@@ -5,6 +5,7 @@
package org.jetbrains.kotlin.fir.backend
import org.jetbrains.kotlin.fir.declarations.FirClass
import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
import org.jetbrains.kotlin.fir.expressions.FirReturnExpression
import org.jetbrains.kotlin.ir.declarations.*
@@ -13,6 +14,8 @@ import org.jetbrains.kotlin.ir.util.parentClassOrNull
class Fir2IrConversionScope {
private val parentStack = mutableListOf<IrDeclarationParent>()
private val containingFirClassStack = mutableListOf<FirClass<*>>()
fun <T : IrDeclarationParent?> withParent(parent: T, f: T.() -> Unit): T {
if (parent == null) return parent
parentStack += parent
@@ -21,6 +24,12 @@ class Fir2IrConversionScope {
return parent
}
fun withContainingFirClass(containingFirClass: FirClass<*>, f: () -> Unit) {
containingFirClassStack += containingFirClass
f()
containingFirClassStack.removeAt(containingFirClassStack.size - 1)
}
fun parentFromStack(): IrDeclarationParent = parentStack.last()
fun parentAccessorOfPropertyFromStack(property: IrProperty): IrSimpleFunction? {
@@ -38,6 +47,8 @@ class Fir2IrConversionScope {
return declaration
}
fun containerFirClass(): FirClass<*>? = containingFirClassStack.lastOrNull()
private val functionStack = mutableListOf<IrFunction>()
fun <T : IrFunction> withFunction(function: T, f: T.() -> Unit): T {
@@ -75,7 +75,7 @@ class Fir2IrConverter(
fun processFileAndClassMembers(file: FirFile) {
val irFile = declarationStorage.getIrFile(file)
for (declaration in file.declarations) {
val irDeclaration = processMemberDeclaration(declaration, irFile) ?: continue
val irDeclaration = processMemberDeclaration(declaration, null, irFile) ?: continue
irFile.declarations += irDeclaration
}
}
@@ -92,7 +92,7 @@ class Fir2IrConverter(
registerClassAndNestedClasses(declaration, irClass)
processClassAndNestedClassHeaders(declaration)
}
val irDeclaration = processMemberDeclaration(declaration, irClass) ?: continue
val irDeclaration = processMemberDeclaration(declaration, anonymousObject, irClass) ?: continue
irClass.declarations += irDeclaration
}
return irClass
@@ -113,7 +113,7 @@ class Fir2IrConverter(
irClass.declarations += declarationStorage.createIrConstructor(it, irClass)
}
for (declaration in sortBySynthetic(regularClass.declarations)) {
val irDeclaration = processMemberDeclaration(declaration, irClass) ?: continue
val irDeclaration = processMemberDeclaration(declaration, regularClass, irClass) ?: continue
irClass.declarations += irDeclaration
}
return irClass
@@ -138,7 +138,11 @@ class Fir2IrConverter(
}
}
private fun processMemberDeclaration(declaration: FirDeclaration, parent: IrDeclarationParent): IrDeclaration? {
private fun processMemberDeclaration(
declaration: FirDeclaration,
containingClass: FirClass<*>?,
parent: IrDeclarationParent
): IrDeclaration? {
return when (declaration) {
is FirRegularClass -> {
processClassMembers(declaration)
@@ -420,9 +420,6 @@ class Fir2IrDeclarationStorage(
created.overriddenSymbols += getIrFunctionSymbol(it) as IrSimpleFunctionSymbol
}
}
if (!created.isFakeOverride && thisReceiverOwner != null) {
created.populateOverriddenSymbols(thisReceiverOwner)
}
functionCache[function] = created
return created
}
@@ -109,9 +109,12 @@ class Fir2IrVisitor(
val correspondingClass = irEnumEntry.correspondingClass ?: return irEnumEntry
declarationStorage.enterScope(irEnumEntry)
classifierStorage.putEnumEntryClassInScope(enumEntry, correspondingClass)
converter.processAnonymousObjectMembers(enumEntry.initializer as FirAnonymousObject, correspondingClass)
val anonymousObject = enumEntry.initializer as FirAnonymousObject
converter.processAnonymousObjectMembers(anonymousObject, correspondingClass)
conversionScope.withParent(correspondingClass) {
memberGenerator.convertClassContent(correspondingClass, enumEntry.initializer as FirAnonymousObject)
conversionScope.withContainingFirClass(anonymousObject) {
memberGenerator.convertClassContent(correspondingClass, anonymousObject)
}
val constructor = correspondingClass.constructors.first()
irEnumEntry.initializerExpression = IrExpressionBodyImpl(
IrEnumConstructorCallImpl(
@@ -141,7 +144,9 @@ class Fir2IrVisitor(
}
val irClass = classifierStorage.getCachedIrClass(regularClass)!!
return conversionScope.withParent(irClass) {
memberGenerator.convertClassContent(irClass, regularClass)
conversionScope.withContainingFirClass(regularClass) {
memberGenerator.convertClassContent(irClass, regularClass)
}
}
}
@@ -152,7 +157,9 @@ class Fir2IrVisitor(
?: classifierStorage.createIrAnonymousObject(anonymousObject, irParent = irParent)
converter.processAnonymousObjectMembers(anonymousObject, irAnonymousObject)
conversionScope.withParent(irAnonymousObject) {
memberGenerator.convertClassContent(irAnonymousObject, anonymousObject)
conversionScope.withContainingFirClass(anonymousObject) {
memberGenerator.convertClassContent(irAnonymousObject, anonymousObject)
}
}
val anonymousClassType = irAnonymousObject.thisReceiver!!.type
return anonymousObject.convertWithOffsets { startOffset, endOffset ->
@@ -178,7 +185,7 @@ class Fir2IrVisitor(
override fun visitConstructor(constructor: FirConstructor, data: Any?): IrElement {
val irConstructor = declarationStorage.getCachedIrConstructor(constructor)!!
return conversionScope.withFunction(irConstructor) {
memberGenerator.convertFunctionContent(irConstructor, constructor)
memberGenerator.convertFunctionContent(irConstructor, constructor, containingClass = conversionScope.containerFirClass())
}
}
@@ -192,21 +199,26 @@ class Fir2IrVisitor(
override fun visitSimpleFunction(simpleFunction: FirSimpleFunction, data: Any?): IrElement {
val irFunction = if (simpleFunction.visibility == Visibilities.LOCAL) {
val irParent = conversionScope.parent()
declarationStorage.createIrFunction(simpleFunction, irParent)
declarationStorage.createIrFunction(
simpleFunction, irParent = conversionScope.parent()
)
} else {
declarationStorage.getCachedIrFunction(simpleFunction)!!
}
return conversionScope.withFunction(irFunction) {
memberGenerator.convertFunctionContent(irFunction, simpleFunction)
memberGenerator.convertFunctionContent(
irFunction, simpleFunction, containingClass = conversionScope.containerFirClass()
)
}
}
override fun visitAnonymousFunction(anonymousFunction: FirAnonymousFunction, data: Any?): IrElement {
return anonymousFunction.convertWithOffsets { startOffset, endOffset ->
val irFunction = declarationStorage.createIrFunction(anonymousFunction, conversionScope.parent())
val irFunction = declarationStorage.createIrFunction(
anonymousFunction, irParent = conversionScope.parent()
)
conversionScope.withFunction(irFunction) {
memberGenerator.convertFunctionContent(irFunction, anonymousFunction)
memberGenerator.convertFunctionContent(irFunction, anonymousFunction, containingClass = null)
}
val type = anonymousFunction.typeRef.toIrType()
@@ -15,6 +15,8 @@ import org.jetbrains.kotlin.fir.expressions.FirExpression
import org.jetbrains.kotlin.fir.expressions.impl.FirNoReceiverExpression
import org.jetbrains.kotlin.fir.references.FirResolvedNamedReference
import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
import org.jetbrains.kotlin.fir.scopes.ProcessorAction
import org.jetbrains.kotlin.fir.scopes.unsubstitutedScope
import org.jetbrains.kotlin.fir.symbols.impl.FirConstructorSymbol
import org.jetbrains.kotlin.fir.types.*
import org.jetbrains.kotlin.ir.declarations.*
@@ -22,6 +24,7 @@ import org.jetbrains.kotlin.ir.expressions.IrExpression
import org.jetbrains.kotlin.ir.expressions.IrFieldAccessExpression
import org.jetbrains.kotlin.ir.expressions.impl.*
import org.jetbrains.kotlin.ir.symbols.IrConstructorSymbol
import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
import org.jetbrains.kotlin.ir.types.IrType
import org.jetbrains.kotlin.ir.util.*
@@ -49,7 +52,7 @@ internal class ClassMemberGenerator(
enterScope(irPrimaryConstructor)
irPrimaryConstructor.valueParameters.forEach { symbolTable.introduceValueParameter(it) }
irPrimaryConstructor.putParametersInScope(primaryConstructor)
convertFunctionContent(irPrimaryConstructor, primaryConstructor)
convertFunctionContent(irPrimaryConstructor, primaryConstructor, containingClass = klass)
}
}
val processedCallableNames = klass.declarations.mapNotNullTo(mutableSetOf()) {
@@ -102,7 +105,7 @@ internal class ClassMemberGenerator(
declarationStorage.leaveScope(irClass)
}
fun <T : IrFunction> convertFunctionContent(irFunction: T, firFunction: FirFunction<*>?): T {
fun <T : IrFunction> convertFunctionContent(irFunction: T, firFunction: FirFunction<*>?, containingClass: FirClass<*>?): T {
conversionScope.withParent(irFunction) {
if (firFunction != null) {
if (irFunction !is IrConstructor || !irFunction.isPrimary) {
@@ -167,6 +170,20 @@ internal class ClassMemberGenerator(
// Scope for primary constructor should be left after class declaration
declarationStorage.leaveScope(irFunction)
}
if (irFunction is IrSimpleFunction && firFunction != null && containingClass != null) {
val scope = containingClass.unsubstitutedScope(session, scopeSession)
scope.processFunctionsByName(name) {}
val overriddenSet = mutableSetOf<IrSimpleFunctionSymbol>()
scope.processDirectlyOverriddenFunctions(firFunction.symbol) {
if ((it.fir as FirSimpleFunction).visibility == Visibilities.PRIVATE) {
return@processDirectlyOverriddenFunctions ProcessorAction.NEXT
}
val overridden = declarationStorage.getIrFunctionSymbol(it)
overriddenSet += overridden as IrSimpleFunctionSymbol
ProcessorAction.NEXT
}
irFunction.overriddenSymbols = overriddenSet.toList()
}
}
return irFunction
}
@@ -213,7 +230,7 @@ internal class ClassMemberGenerator(
) {
conversionScope.withFunction(this) {
applyParentFromStackTo(this)
convertFunctionContent(this, propertyAccessor)
convertFunctionContent(this, propertyAccessor, containingClass = null)
if (isDefault) {
conversionScope.withParent(this) {
declarationStorage.enterScope(this)
@@ -88,7 +88,8 @@ class FakeOverrideGenerator(
// That's why we must check parent during caching...
val irFunction = declarationStorage.getCachedIrFunction(originalFunction)?.takeIf { it.parent == this }
?: declarationStorage.createIrFunction(
originalFunction, irParent = this,
originalFunction,
irParent = this,
thisReceiverOwner = declarationStorage.findIrParent(baseSymbol.fir) as? IrClass,
origin = origin
)
@@ -111,7 +112,8 @@ class FakeOverrideGenerator(
classifierStorage.preCacheTypeParameters(originalFunction)
val irFunction = declarationStorage.createIrFunction(
fakeOverrideFunction, irParent = this,
fakeOverrideFunction,
irParent = this,
thisReceiverOwner = declarationStorage.findIrParent(originalFunction) as? IrClass,
origin = origin
)
@@ -136,7 +138,7 @@ class FakeOverrideGenerator(
) {
// Substitution case
// NB: see comment above about substituted function' parent
val irProperty = declarationStorage.getCachedIrProperty(originalProperty)?.takeIf { it.parent == this}
val irProperty = declarationStorage.getCachedIrProperty(originalProperty)?.takeIf { it.parent == this }
?: declarationStorage.createIrProperty(
originalProperty, irParent = this,
thisReceiverOwner = declarationStorage.findIrParent(baseSymbol.fir) as? IrClass,