Minimize changes in 202 bunch

compiler/backend/src/org/jetbrains/kotlin/codegen/InterfaceImplBodyCodegen.kt

@@ -21,6 +21,7 @@ import org.jetbrains.kotlin.backend.common.bridges.findImplementationFromInterfa
 import org.jetbrains.kotlin.backend.common.bridges.firstSuperMethodFromKotlin
 import org.jetbrains.kotlin.codegen.context.ClassContext
 import org.jetbrains.kotlin.codegen.state.GenerationState
+import org.jetbrains.kotlin.codegen.state.JvmMethodExceptionTypes
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.load.java.descriptors.JavaMethodDescriptor
 import org.jetbrains.kotlin.psi.KtPureClassOrObject
@@ -167,7 +168,7 @@ class InterfaceImplBodyCodegen(
                 name: String,
                 desc: String,
                 signature: String?,
-                exceptions: Array<out String>?
+                exceptions: JvmMethodExceptionTypes
         ): MethodVisitor {
             if (shouldCount) {
                 isAnythingGenerated = true

compiler/backend/src/org/jetbrains/kotlin/codegen/InterfaceImplBodyCodegen.kt.202

@@ -1,182 +0,0 @@
-/*
- * Copyright 2010-2015 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.codegen
-
-import com.intellij.util.ArrayUtil
-import org.jetbrains.kotlin.backend.common.bridges.findImplementationFromInterface
-import org.jetbrains.kotlin.backend.common.bridges.firstSuperMethodFromKotlin
-import org.jetbrains.kotlin.codegen.context.ClassContext
-import org.jetbrains.kotlin.codegen.state.GenerationState
-import org.jetbrains.kotlin.descriptors.*
-import org.jetbrains.kotlin.load.java.descriptors.JavaMethodDescriptor
-import org.jetbrains.kotlin.psi.KtPureClassOrObject
-import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOriginKind
-import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature
-import org.jetbrains.org.objectweb.asm.MethodVisitor
-import org.jetbrains.org.objectweb.asm.Opcodes.*
-
-class InterfaceImplBodyCodegen(
-        aClass: KtPureClassOrObject,
-        context: ClassContext,
-        v: ClassBuilder,
-        state: GenerationState,
-        parentCodegen: MemberCodegen<*>?
-) : ClassBodyCodegen(aClass, context, InterfaceImplBodyCodegen.InterfaceImplClassBuilder(v), state, parentCodegen) {
-    private var isAnythingGenerated: Boolean = false
-        get() = (v as InterfaceImplClassBuilder).isAnythingGenerated
-
-    private val defaultImplType = typeMapper.mapDefaultImpls(descriptor)
-
-    override fun generateDeclaration() {
-        val codegenFlags = ACC_PUBLIC or ACC_FINAL or ACC_SUPER
-        val flags = if (state.classBuilderMode == ClassBuilderMode.LIGHT_CLASSES) codegenFlags or ACC_STATIC else codegenFlags
-        v.defineClass(
-                myClass.psiOrParent, state.classFileVersion, flags,
-                defaultImplType.internalName,
-                null, "java/lang/Object", ArrayUtil.EMPTY_STRING_ARRAY
-        )
-        v.visitSource(myClass.containingKtFile.name, null)
-    }
-
-    override fun classForInnerClassRecord(): ClassDescriptor? {
-        if (!isAnythingGenerated) return null
-        return InnerClassConsumer.classForInnerClassRecord(descriptor, true)
-    }
-
-    override fun generateSyntheticPartsAfterBody() {
-        for (memberDescriptor in descriptor.defaultType.memberScope.getContributedDescriptors()) {
-            if (memberDescriptor !is CallableMemberDescriptor) continue
-
-            if (memberDescriptor.kind.isReal) continue
-            if (memberDescriptor.visibility == Visibilities.INVISIBLE_FAKE) continue
-            if (memberDescriptor.modality == Modality.ABSTRACT) continue
-
-            val implementation = findImplementationFromInterface(memberDescriptor) ?: continue
-
-            // If implementation is a default interface method (JVM 8 only)
-            if (implementation.isDefinitelyNotDefaultImplsMethod()) continue
-
-            if (memberDescriptor is FunctionDescriptor) {
-                generateDelegationToSuperDefaultImpls(memberDescriptor, implementation as FunctionDescriptor)
-            }
-            else if (memberDescriptor is PropertyDescriptor) {
-                implementation as PropertyDescriptor
-                val getter = memberDescriptor.getter
-                val implGetter = implementation.getter
-                if (getter != null && implGetter != null) {
-                    generateDelegationToSuperDefaultImpls(getter, implGetter)
-                }
-                val setter = memberDescriptor.setter
-                val implSetter = implementation.setter
-                if (setter != null && implSetter != null) {
-                    generateDelegationToSuperDefaultImpls(setter, implSetter)
-                }
-            }
-        }
-
-        generateSyntheticAccessors()
-    }
-
-    private fun generateDelegationToSuperDefaultImpls(descriptor: FunctionDescriptor, implementation: FunctionDescriptor) {
-        val delegateTo = firstSuperMethodFromKotlin(descriptor, implementation) as FunctionDescriptor? ?: return
-
-        // We can't call super methods from Java 1.8 interfaces because that requires INVOKESPECIAL which is forbidden from TImpl class
-        if (delegateTo is JavaMethodDescriptor) return
-
-        functionCodegen.generateMethod(
-                JvmDeclarationOrigin(
-                        JvmDeclarationOriginKind.DEFAULT_IMPL_DELEGATION_TO_SUPERINTERFACE_DEFAULT_IMPL,
-                        DescriptorToSourceUtils.descriptorToDeclaration(descriptor), descriptor
-                ),
-                descriptor,
-                object : FunctionGenerationStrategy.CodegenBased(state) {
-                    override fun doGenerateBody(codegen: ExpressionCodegen, signature: JvmMethodSignature) {
-                        val iv = codegen.v
-
-                        val method = typeMapper.mapToCallableMethod(delegateTo, true)
-                        val myParameters = signature.valueParameters
-                        val calleeParameters = method.getValueParameters()
-
-                        if (myParameters.size != calleeParameters.size) {
-                            throw AssertionError(
-                                    "Method from super interface has a different signature.\n" +
-                                    "This method:\n%s\n%s\n%s\nSuper method:\n%s\n%s\n%s".format(
-                                            descriptor, signature, myParameters, delegateTo, method, calleeParameters
-                                    )
-                            )
-                        }
-
-                        var k = 0
-                        val it = calleeParameters.iterator()
-                        for (parameter in myParameters) {
-                            val type = parameter.asmType
-                            StackValue.local(k, type).put(it.next().asmType, iv)
-                            k += type.size
-                        }
-
-                        method.genInvokeInstruction(iv)
-                        StackValue.coerce(method.returnType, signature.returnType, iv)
-                        iv.areturn(signature.returnType)
-                    }
-                })
-    }
-
-    override fun generateKotlinMetadataAnnotation() {
-        (v as InterfaceImplClassBuilder).stopCounting()
-
-        writeSyntheticClassMetadata(v, state)
-    }
-
-    override fun done() {
-        super.done()
-        if (!isAnythingGenerated) {
-            state.factory.removeClasses(setOf(defaultImplType.internalName))
-        }
-    }
-
-    private class InterfaceImplClassBuilder(private val v: ClassBuilder) : DelegatingClassBuilder() {
-        private var shouldCount: Boolean = true
-        var isAnythingGenerated: Boolean = false
-            private set
-
-        fun stopCounting() {
-            shouldCount = false
-        }
-
-        override fun getDelegate() = v
-
-        override fun newMethod(
-                origin: JvmDeclarationOrigin,
-                access: Int,
-                name: String,
-                desc: String,
-                signature: String?,
-                exceptions: Array<out String?>?
-        ): MethodVisitor {
-            if (shouldCount) {
-                isAnythingGenerated = true
-            }
-            return super.newMethod(origin, access, name, desc, signature, exceptions)
-        }
-    }
-
-    override fun generateSyntheticPartsBeforeBody() {
-        generatePropertyMetadataArrayFieldIfNeeded(defaultImplType)
-    }
-}

compiler/backend/src/org/jetbrains/kotlin/codegen/OriginCollectingClassBuilderFactory.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.codegen
 
+import org.jetbrains.kotlin.codegen.state.JvmMethodExceptionTypes
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
 import org.jetbrains.org.objectweb.asm.*
 import org.jetbrains.org.objectweb.asm.tree.*
@@ -42,7 +43,7 @@ class OriginCollectingClassBuilderFactory(private val builderMode: ClassBuilderM
                 name: String,
                 desc: String,
                 signature: String?,
-                exceptions: Array<out String>?
+                exceptions: JvmMethodExceptionTypes
         ): MethodVisitor {
             val methodNode = super.newMethod(origin, access, name, desc, signature, exceptions) as MethodNode
             origins[methodNode] = origin

compiler/backend/src/org/jetbrains/kotlin/codegen/OriginCollectingClassBuilderFactory.kt.202

@@ -1,68 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.codegen
-
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
-import org.jetbrains.org.objectweb.asm.*
-import org.jetbrains.org.objectweb.asm.tree.*
-
-class OriginCollectingClassBuilderFactory(private val builderMode: ClassBuilderMode) : ClassBuilderFactory {
-    val compiledClasses = mutableListOf<ClassNode>()
-    val origins = mutableMapOf<Any, JvmDeclarationOrigin>()
-
-    override fun getClassBuilderMode(): ClassBuilderMode = builderMode
-
-    override fun newClassBuilder(origin: JvmDeclarationOrigin): AbstractClassBuilder.Concrete {
-        val classNode = ClassNode()
-        compiledClasses += classNode
-        origins[classNode] = origin
-        return OriginCollectingClassBuilder(classNode)
-    }
-
-    private inner class OriginCollectingClassBuilder(val classNode: ClassNode) : AbstractClassBuilder.Concrete(classNode) {
-        override fun newField(
-                origin: JvmDeclarationOrigin,
-                access: Int,
-                name: String,
-                desc: String,
-                signature: String?,
-                value: Any?
-        ): FieldVisitor {
-            val fieldNode = super.newField(origin, access, name, desc, signature, value) as FieldNode
-            origins[fieldNode] = origin
-            return fieldNode
-        }
-
-        override fun newMethod(
-                origin: JvmDeclarationOrigin,
-                access: Int,
-                name: String,
-                desc: String,
-                signature: String?,
-                exceptions: Array<out String?>?
-        ): MethodVisitor {
-            val methodNode = super.newMethod(origin, access, name, desc, signature, exceptions) as MethodNode
-            origins[methodNode] = origin
-
-            // ASM doesn't read information about local variables for the `abstract` methods so we need to get it manually
-            if ((access and Opcodes.ACC_ABSTRACT) != 0 && methodNode.localVariables == null) {
-                methodNode.localVariables = mutableListOf<LocalVariableNode>()
-            }
-
-            return methodNode
-        }
-    }
-
-    override fun asBytes(builder: ClassBuilder): ByteArray {
-        val classWriter = ClassWriter(0)
-        (builder as OriginCollectingClassBuilder).classNode.accept(classWriter)
-        return classWriter.toByteArray()
-    }
-
-    override fun asText(builder: ClassBuilder) = throw UnsupportedOperationException()
-
-    override fun close() {}
-}

compiler/backend/src/org/jetbrains/kotlin/codegen/SignatureCollectingClassBuilderFactory.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.codegen
 import com.intellij.psi.PsiElement
 import com.intellij.util.containers.LinkedMultiMap
 import com.intellij.util.containers.MultiMap
+import org.jetbrains.kotlin.codegen.state.JvmMethodExceptionTypes
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.ConflictingJvmDeclarationsData
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.MemberKind
@@ -63,7 +64,7 @@ abstract class SignatureCollectingClassBuilderFactory(
             return super.newField(origin, access, name, desc, signature, value)
         }
 
-        override fun newMethod(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, exceptions: Array<out String>?): MethodVisitor {
+        override fun newMethod(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, exceptions: JvmMethodExceptionTypes): MethodVisitor {
             signatures.putValue(RawSignature(name, desc, MemberKind.METHOD), origin)
             if (!shouldGenerate(origin)) {
                 return AbstractClassBuilder.EMPTY_METHOD_VISITOR

compiler/backend/src/org/jetbrains/kotlin/codegen/SignatureCollectingClassBuilderFactory.kt.202

@@ -1,89 +0,0 @@
-/*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.codegen
-
-import com.intellij.psi.PsiElement
-import com.intellij.util.containers.LinkedMultiMap
-import com.intellij.util.containers.MultiMap
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.ConflictingJvmDeclarationsData
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.MemberKind
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.RawSignature
-import org.jetbrains.org.objectweb.asm.FieldVisitor
-import org.jetbrains.org.objectweb.asm.MethodVisitor
-
-abstract class SignatureCollectingClassBuilderFactory(
-        delegate: ClassBuilderFactory, val shouldGenerate: (JvmDeclarationOrigin) -> Boolean
-) : DelegatingClassBuilderFactory(delegate) {
-
-    protected abstract fun handleClashingSignatures(data: ConflictingJvmDeclarationsData)
-    protected abstract fun onClassDone(classOrigin: JvmDeclarationOrigin,
-                                       classInternalName: String,
-                                       signatures: MultiMap<RawSignature, JvmDeclarationOrigin>)
-
-    override fun newClassBuilder(origin: JvmDeclarationOrigin): DelegatingClassBuilder {
-        return SignatureCollectingClassBuilder(origin, delegate.newClassBuilder(origin))
-    }
-
-    private inner class SignatureCollectingClassBuilder(
-            private val classCreatedFor: JvmDeclarationOrigin,
-            internal val _delegate: ClassBuilder
-    ) : DelegatingClassBuilder() {
-
-        override fun getDelegate() = _delegate
-
-        private lateinit var classInternalName: String
-
-        private val signatures = LinkedMultiMap<RawSignature, JvmDeclarationOrigin>()
-
-        override fun defineClass(origin: PsiElement?, version: Int, access: Int, name: String, signature: String?, superName: String, interfaces: Array<out String>) {
-            classInternalName = name
-            super.defineClass(origin, version, access, name, signature, superName, interfaces)
-        }
-
-        override fun newField(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, value: Any?): FieldVisitor {
-            signatures.putValue(RawSignature(name, desc, MemberKind.FIELD), origin)
-            if (!shouldGenerate(origin)) {
-                return AbstractClassBuilder.EMPTY_FIELD_VISITOR
-            }
-            return super.newField(origin, access, name, desc, signature, value)
-        }
-
-        override fun newMethod(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, exceptions: Array<out String?>?): MethodVisitor {
-            signatures.putValue(RawSignature(name, desc, MemberKind.METHOD), origin)
-            if (!shouldGenerate(origin)) {
-                return AbstractClassBuilder.EMPTY_METHOD_VISITOR
-            }
-            return super.newMethod(origin, access, name, desc, signature, exceptions)
-        }
-
-        override fun done() {
-            for ((signature, elementsAndDescriptors) in signatures.entrySet()) {
-                if (elementsAndDescriptors.size == 1) continue // no clash
-                handleClashingSignatures(ConflictingJvmDeclarationsData(
-                        classInternalName,
-                        classCreatedFor,
-                        signature,
-                        elementsAndDescriptors
-                ))
-            }
-            onClassDone(classCreatedFor, classInternalName, signatures)
-            super.done()
-        }
-
-    }
-}

compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/CoroutineTransformerMethodVisitor.kt

@@ -905,7 +905,7 @@ private class MethodNodeExaminer(
     val methodNode: MethodNode,
     disableTailCallOptimizationForFunctionReturningUnit: Boolean
 ) {
-    private val sourceFrames: Array<Frame<SourceValue>?> =
+    private val sourceFrames: SourceFrames =
         MethodTransformer.analyze(containingClassInternalName, methodNode, IgnoringCopyOperationSourceInterpreter())
     private val controlFlowGraph = ControlFlowGraph.build(methodNode)
 

compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/SourceFrames.kt

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen.coroutines
+
+import org.jetbrains.org.objectweb.asm.tree.analysis.Frame
+import org.jetbrains.org.objectweb.asm.tree.analysis.SourceValue
+
+typealias SourceFrames = Array<Frame<SourceValue>?>

compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/SourceFrames.kt.202

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen.coroutines
+
+import org.jetbrains.org.objectweb.asm.tree.analysis.Frame
+import org.jetbrains.org.objectweb.asm.tree.analysis.SourceValue
+
+typealias SourceFrames = Array<Frame<SourceValue>>

compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/TypeAnnotatedFrames.kt

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen.optimization.common
+
+import org.jetbrains.org.objectweb.asm.tree.analysis.BasicValue
+import org.jetbrains.org.objectweb.asm.tree.analysis.Frame
+
+typealias TypeAnnotatedFrames = Array<Frame<BasicValue>?>

compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/TypeAnnotatedFrames.kt.202

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen.optimization.common
+
+import org.jetbrains.org.objectweb.asm.tree.analysis.BasicValue
+import org.jetbrains.org.objectweb.asm.tree.analysis.Frame
+
+typealias TypeAnnotatedFrames = Array<Frame<BasicValue>>

compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/variableLiveness.kt

@@ -60,7 +60,7 @@ fun analyzeLiveness(node: MethodNode): List<VariableLivenessFrame> {
 
 private fun analyzeVisibleByDebuggerVariables(
     node: MethodNode,
-    typeAnnotatedFrames: Array<Frame<BasicValue>?>
+    typeAnnotatedFrames: TypeAnnotatedFrames
 ): Array<BitSet> {
     val res = Array(node.instructions.size()) { BitSet(node.maxLocals) }
     for (local in node.localVariables) {

compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/variableLiveness.kt.202

@@ -1,101 +0,0 @@
-/*
- * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.codegen.optimization.common
-
-import org.jetbrains.kotlin.codegen.coroutines.SUSPEND_FUNCTION_COMPLETION_PARAMETER_NAME
-import org.jetbrains.kotlin.codegen.optimization.transformer.MethodTransformer
-import org.jetbrains.kotlin.load.java.JvmAbi
-import org.jetbrains.org.objectweb.asm.Type
-import org.jetbrains.org.objectweb.asm.tree.AbstractInsnNode
-import org.jetbrains.org.objectweb.asm.tree.IincInsnNode
-import org.jetbrains.org.objectweb.asm.tree.MethodNode
-import org.jetbrains.org.objectweb.asm.tree.VarInsnNode
-import org.jetbrains.org.objectweb.asm.tree.analysis.BasicValue
-import org.jetbrains.org.objectweb.asm.tree.analysis.Frame
-import java.util.*
-
-
-class VariableLivenessFrame(val maxLocals: Int) : VarFrame<VariableLivenessFrame> {
-    private val bitSet = BitSet(maxLocals)
-
-    override fun mergeFrom(other: VariableLivenessFrame) {
-        bitSet.or(other.bitSet)
-    }
-
-    fun markAlive(varIndex: Int) {
-        bitSet.set(varIndex, true)
-    }
-
-    fun markAllAlive(bitSet: BitSet) {
-        this.bitSet.or(bitSet)
-    }
-
-    fun markDead(varIndex: Int) {
-        bitSet.set(varIndex, false)
-    }
-
-    fun isAlive(varIndex: Int): Boolean = bitSet.get(varIndex)
-
-    override fun equals(other: Any?): Boolean {
-        if (other !is VariableLivenessFrame) return false
-        return bitSet == other.bitSet
-    }
-
-    override fun hashCode() = bitSet.hashCode()
-}
-
-fun analyzeLiveness(node: MethodNode): List<VariableLivenessFrame> {
-    val typeAnnotatedFrames = MethodTransformer.analyze("fake", node, OptimizationBasicInterpreter())
-    val visibleByDebuggerVariables = analyzeVisibleByDebuggerVariables(node, typeAnnotatedFrames)
-    return analyze(node, object : BackwardAnalysisInterpreter<VariableLivenessFrame> {
-        override fun newFrame(maxLocals: Int) = VariableLivenessFrame(maxLocals)
-        override fun def(frame: VariableLivenessFrame, insn: AbstractInsnNode) = defVar(frame, insn)
-        override fun use(frame: VariableLivenessFrame, insn: AbstractInsnNode) =
-            useVar(frame, insn, node, visibleByDebuggerVariables[node.instructions.indexOf(insn)])
-    })
-}
-
-private fun analyzeVisibleByDebuggerVariables(
-    node: MethodNode,
-    typeAnnotatedFrames: Array<Frame<BasicValue>>
-): Array<BitSet> {
-    val res = Array(node.instructions.size()) { BitSet(node.maxLocals) }
-    for (local in node.localVariables) {
-        if (local.name.isInvisibleDebuggerVariable()) continue
-        for (index in node.instructions.indexOf(local.start) until node.instructions.indexOf(local.end)) {
-            if (Type.getType(local.desc).sort == typeAnnotatedFrames[index]?.getLocal(local.index)?.type?.sort) {
-                res[index].set(local.index)
-            }
-        }
-    }
-    return res
-}
-
-private fun defVar(frame: VariableLivenessFrame, insn: AbstractInsnNode) {
-    if (insn is VarInsnNode && insn.isStoreOperation()) {
-        frame.markDead(insn.`var`)
-    }
-}
-
-private fun useVar(
-    frame: VariableLivenessFrame,
-    insn: AbstractInsnNode,
-    node: MethodNode,
-    visibleByDebuggerVariables: BitSet
-) {
-    frame.markAllAlive(visibleByDebuggerVariables)
-
-    if (insn is VarInsnNode && insn.isLoadOperation()) {
-        frame.markAlive(insn.`var`)
-    } else if (insn is IincInsnNode) {
-        frame.markAlive(insn.`var`)
-    }
-}
-
-private fun String.isInvisibleDebuggerVariable(): Boolean =
-    startsWith(JvmAbi.LOCAL_VARIABLE_NAME_PREFIX_INLINE_ARGUMENT) ||
-            startsWith(JvmAbi.LOCAL_VARIABLE_NAME_PREFIX_INLINE_FUNCTION) ||
-            this == SUSPEND_FUNCTION_COMPLETION_PARAMETER_NAME

compiler/backend/src/org/jetbrains/kotlin/codegen/state/JvmMethodExceptionTypes.kt

@@ -0,0 +1,8 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen.state
+
+typealias JvmMethodExceptionTypes = Array<out String>?

compiler/backend/src/org/jetbrains/kotlin/codegen/state/JvmMethodExceptionTypes.kt.202

@@ -0,0 +1,8 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen.state
+
+typealias JvmMethodExceptionTypes = Array<out String?>?

compiler/backend/src/org/jetbrains/kotlin/codegen/state/SignatureDumpingBuilderFactory.kt

@@ -83,7 +83,7 @@ class SignatureDumpingBuilderFactory(
             super.defineClass(origin, version, access, name, signature, superName, interfaces)
         }
 
-        override fun newMethod(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, exceptions: Array<out String>?): MethodVisitor {
+        override fun newMethod(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, exceptions: JvmMethodExceptionTypes): MethodVisitor {
             signatures += RawSignature(name, desc, MemberKind.METHOD) to origin.descriptor?.let {
                 if (it is CallableDescriptor) it.unwrapInitialDescriptorForSuspendFunction() else it
             }

compiler/backend/src/org/jetbrains/kotlin/codegen/state/SignatureDumpingBuilderFactory.kt.202

@@ -1,151 +0,0 @@
-/*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.codegen.state
-
-import com.intellij.psi.PsiElement
-import org.jetbrains.kotlin.codegen.ClassBuilder
-import org.jetbrains.kotlin.codegen.ClassBuilderFactory
-import org.jetbrains.kotlin.codegen.DelegatingClassBuilder
-import org.jetbrains.kotlin.codegen.DelegatingClassBuilderFactory
-import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
-import org.jetbrains.kotlin.descriptors.DeclarationDescriptorWithVisibility
-import org.jetbrains.kotlin.renderer.DescriptorRenderer
-import org.jetbrains.kotlin.renderer.DescriptorRendererModifier
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.MemberKind
-import org.jetbrains.kotlin.resolve.jvm.diagnostics.RawSignature
-import org.jetbrains.org.objectweb.asm.FieldVisitor
-import org.jetbrains.org.objectweb.asm.MethodVisitor
-import org.jetbrains.kotlin.codegen.coroutines.unwrapInitialDescriptorForSuspendFunction
-import org.jetbrains.kotlin.descriptors.CallableDescriptor
-import java.io.BufferedWriter
-import java.io.File
-
-
-class SignatureDumpingBuilderFactory(
-        builderFactory: ClassBuilderFactory,
-        val destination: File
-) : DelegatingClassBuilderFactory(builderFactory) {
-
-    companion object {
-        val MEMBER_RENDERER = DescriptorRenderer.withOptions {
-            withDefinedIn = false
-            modifiers -= DescriptorRendererModifier.VISIBILITY
-        }
-        val TYPE_RENDERER = DescriptorRenderer.withOptions {
-            withSourceFileForTopLevel = false
-            modifiers -= DescriptorRendererModifier.VISIBILITY
-        }
-    }
-
-    private val outputStream: BufferedWriter by lazy {
-        // TODO: Replace with LOG.info and make log output go to MessageCollector
-        println("[INFO] Dumping signatures to $destination")
-        destination.parentFile?.mkdirs()
-        destination.bufferedWriter().apply { append("[\n") }
-    }
-    private var firstClassWritten: Boolean = false
-
-    override fun close() {
-        outputStream.append("\n]\n")
-        outputStream.close()
-        super.close()
-    }
-
-    override fun newClassBuilder(origin: JvmDeclarationOrigin): DelegatingClassBuilder {
-        return SignatureDumpingClassBuilder(origin, delegate.newClassBuilder(origin))
-    }
-
-
-    private inner class SignatureDumpingClassBuilder(val origin: JvmDeclarationOrigin, val _delegate: ClassBuilder) : DelegatingClassBuilder() {
-        override fun getDelegate() = _delegate
-
-        private val signatures = mutableListOf<Pair<RawSignature, DeclarationDescriptor?>>()
-        private lateinit var javaClassName: String
-
-        override fun defineClass(origin: PsiElement?, version: Int, access: Int, name: String, signature: String?, superName: String, interfaces: Array<out String>) {
-            javaClassName = name
-
-            super.defineClass(origin, version, access, name, signature, superName, interfaces)
-        }
-
-        override fun newMethod(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, exceptions: Array<out String?>?): MethodVisitor {
-            signatures += RawSignature(name, desc, MemberKind.METHOD) to origin.descriptor?.let {
-                if (it is CallableDescriptor) it.unwrapInitialDescriptorForSuspendFunction() else it
-            }
-            return super.newMethod(origin, access, name, desc, signature, exceptions)
-        }
-
-        override fun newField(origin: JvmDeclarationOrigin, access: Int, name: String, desc: String, signature: String?, value: Any?): FieldVisitor {
-            signatures += RawSignature(name, desc, MemberKind.FIELD) to origin.descriptor
-            return super.newField(origin, access, name, desc, signature, value)
-        }
-
-        override fun done() {
-            if (firstClassWritten) outputStream.append(",\n") else firstClassWritten = true
-            outputStream.append("\t{\n")
-            origin.descriptor?.let {
-                outputStream.append("\t\t").appendNameValue("declaration", TYPE_RENDERER.render(it)).append(",\n")
-                (it as? DeclarationDescriptorWithVisibility)?.visibility?.let {
-                    outputStream.append("\t\t").appendNameValue("visibility", it.internalDisplayName).append(",\n")
-                }
-            }
-            outputStream.append("\t\t").appendNameValue("class", javaClassName).append(",\n")
-
-            outputStream.append("\t\t").appendQuoted("members").append(": [\n")
-            signatures.joinTo(outputStream, ",\n") { buildString {
-                val (signature, descriptor) = it
-                append("\t\t\t{")
-                descriptor?.let {
-                    (it as? DeclarationDescriptorWithVisibility)?.visibility?.let {
-                        appendNameValue("visibility", it.internalDisplayName).append(",\t")
-                    }
-                    appendNameValue("declaration", MEMBER_RENDERER.render(it)).append(", ")
-
-                }
-                appendNameValue("name", signature.name).append(", ")
-                appendNameValue("desc", signature.desc).append("}")
-            }}
-            outputStream.append("\n\t\t]\n\t}")
-
-            super.done()
-        }
-    }
-}
-
-private fun Appendable.appendQuoted(value: String?): Appendable = value?.let { append('"').append(jsonEscape(it)).append('"') } ?: append("null")
-private fun Appendable.appendNameValue(name: String, value: String?): Appendable = appendQuoted(name).append(": ").appendQuoted(value)
-
-private fun jsonEscape(value: String): String = buildString {
-    for (index in 0..value.length - 1) {
-        val ch = value[index]
-        when (ch) {
-            '\b' -> append("\\b")
-            '\t' -> append("\\t")
-            '\n' -> append("\\n")
-            '\r' -> append("\\r")
-            '\"' -> append("\\\"")
-            '\\' -> append("\\\\")
-            else -> if (ch.toInt() < 32) {
-                append("\\u" + Integer.toHexString(ch.toInt()).padStart(4, '0'))
-            }
-            else {
-                append(ch)
-            }
-        }
-    }
-}

idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinRecursiveCallLineMarkerProvider.kt

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
 import org.jetbrains.kotlin.idea.KotlinBundle
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
+import org.jetbrains.kotlin.idea.highlighter.markers.LineMarkerInfos
 import org.jetbrains.kotlin.idea.inspections.RecursivePropertyAccessorInspection
 import org.jetbrains.kotlin.idea.util.getReceiverTargetDescriptor
 import org.jetbrains.kotlin.lexer.KtToken
@@ -45,7 +46,7 @@ import java.util.*
 class KotlinRecursiveCallLineMarkerProvider : LineMarkerProvider {
     override fun getLineMarkerInfo(element: PsiElement) = null
 
-    override fun collectSlowLineMarkers(elements: MutableList<PsiElement>, result: MutableCollection<LineMarkerInfo<*>>) {
+    override fun collectSlowLineMarkers(elements: MutableList<PsiElement>, result: LineMarkerInfos) {
         val markedLineNumbers = HashSet<Int>()
 
         for (element in elements) {

idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinRecursiveCallLineMarkerProvider.kt.202

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
 import org.jetbrains.kotlin.idea.KotlinBundle
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
+import org.jetbrains.kotlin.idea.highlighter.markers.LineMarkerInfos
 import org.jetbrains.kotlin.idea.inspections.RecursivePropertyAccessorInspection
 import org.jetbrains.kotlin.idea.util.getReceiverTargetDescriptor
 import org.jetbrains.kotlin.lexer.KtToken
@@ -45,7 +46,7 @@ import java.util.*
 class KotlinRecursiveCallLineMarkerProvider : LineMarkerProvider {
     override fun getLineMarkerInfo(element: PsiElement) = null
 
-    override fun collectSlowLineMarkers(elements: MutableList<out PsiElement>, result: MutableCollection<in LineMarkerInfo<*>>) {
+    override fun collectSlowLineMarkers(elements: MutableList<out PsiElement>, result: LineMarkerInfos) {
         val markedLineNumbers = HashSet<Int>()
 
         for (element in elements) {

idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinSuspendCallLineMarkerProvider.kt

@@ -19,6 +19,7 @@ import org.jetbrains.kotlin.descriptors.accessors
 import org.jetbrains.kotlin.idea.KotlinBundle
 import org.jetbrains.kotlin.idea.KotlinIcons
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
+import org.jetbrains.kotlin.idea.highlighter.markers.LineMarkerInfos
 import org.jetbrains.kotlin.idea.refactoring.getLineNumber
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.resolve.BindingContext
@@ -48,7 +49,7 @@ class KotlinSuspendCallLineMarkerProvider : LineMarkerProvider {
 
     override fun collectSlowLineMarkers(
         elements: MutableList<PsiElement>,
-        result: MutableCollection<LineMarkerInfo<*>>
+        result: LineMarkerInfos
     ) {
         val markedLineNumbers = HashSet<Int>()
 

idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinSuspendCallLineMarkerProvider.kt.202

@@ -19,6 +19,7 @@ import org.jetbrains.kotlin.descriptors.accessors
 import org.jetbrains.kotlin.idea.KotlinBundle
 import org.jetbrains.kotlin.idea.KotlinIcons
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
+import org.jetbrains.kotlin.idea.highlighter.markers.LineMarkerInfos
 import org.jetbrains.kotlin.idea.refactoring.getLineNumber
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.resolve.BindingContext
@@ -48,7 +49,7 @@ class KotlinSuspendCallLineMarkerProvider : LineMarkerProvider {
 
     override fun collectSlowLineMarkers(
         elements: MutableList<out PsiElement>,
-        result: MutableCollection<in LineMarkerInfo<*>>
+        result: LineMarkerInfos
     ) {
         val markedLineNumbers = HashSet<Int>()
 

idea/src/org/jetbrains/kotlin/idea/highlighter/markers/DslHighlightingMarker.kt

@@ -37,7 +37,7 @@ private val toolTipHandler = Function<PsiElement, String> {
 
 fun collectHighlightingColorsMarkers(
     ktClass: KtClass,
-    result: MutableCollection<LineMarkerInfo<*>>
+    result: LineMarkerInfos
 ) {
     if (!KotlinLineMarkerOptions.dslOption.isEnabled) return
 

idea/src/org/jetbrains/kotlin/idea/highlighter/markers/DslHighlightingMarker.kt.202

@@ -1,65 +0,0 @@
-/*
- * Copyright 2000-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.idea.highlighter.markers
-
-import com.intellij.application.options.colors.ColorAndFontOptions
-import com.intellij.codeHighlighting.Pass
-import com.intellij.codeInsight.daemon.GutterIconNavigationHandler
-import com.intellij.codeInsight.daemon.LineMarkerInfo
-import com.intellij.ide.DataManager
-import com.intellij.openapi.editor.markup.GutterIconRenderer
-import com.intellij.psi.PsiElement
-import com.intellij.util.Function
-import org.jetbrains.kotlin.descriptors.ClassDescriptor
-import org.jetbrains.kotlin.descriptors.ClassKind
-import org.jetbrains.kotlin.idea.KotlinLanguage
-import org.jetbrains.kotlin.idea.core.toDescriptor
-import org.jetbrains.kotlin.idea.KotlinBundle
-import org.jetbrains.kotlin.idea.highlighter.dsl.DslHighlighterExtension
-import org.jetbrains.kotlin.idea.highlighter.dsl.isDslHighlightingMarker
-import org.jetbrains.kotlin.psi.KtClass
-import javax.swing.JComponent
-
-private val navHandler = GutterIconNavigationHandler<PsiElement> { event, element ->
-    val dataContext = (event.component as? JComponent)?.let { DataManager.getInstance().getDataContext(it) }
-        ?: return@GutterIconNavigationHandler
-    val ktClass = element?.parent as? KtClass ?: return@GutterIconNavigationHandler
-    val styleId = ktClass.styleIdForMarkerAnnotation() ?: return@GutterIconNavigationHandler
-    ColorAndFontOptions.selectOrEditColor(dataContext, DslHighlighterExtension.styleOptionDisplayName(styleId), KotlinLanguage.NAME)
-}
-
-private val toolTipHandler = Function<PsiElement, String> {
-    KotlinBundle.message("highlighter.tool.tip.marker.annotation.for.dsl")
-}
-
-fun collectHighlightingColorsMarkers(
-    ktClass: KtClass,
-    result: MutableCollection<in LineMarkerInfo<*>>
-) {
-    if (!KotlinLineMarkerOptions.dslOption.isEnabled) return
-
-    val styleId = ktClass.styleIdForMarkerAnnotation() ?: return
-
-    val anchor = ktClass.nameIdentifier ?: return
-
-    result.add(
-        LineMarkerInfo<PsiElement>(
-            anchor,
-            anchor.textRange,
-            createDslStyleIcon(styleId),
-            Pass.LINE_MARKERS,
-            toolTipHandler, navHandler,
-            GutterIconRenderer.Alignment.RIGHT
-        )
-    )
-}
-
-private fun KtClass.styleIdForMarkerAnnotation(): Int? {
-    val classDescriptor = toDescriptor() as? ClassDescriptor ?: return null
-    if (classDescriptor.kind != ClassKind.ANNOTATION_CLASS) return null
-    if (!classDescriptor.isDslHighlightingMarker()) return null
-    return DslHighlighterExtension.styleIdByMarkerAnnotation(classDescriptor)
-}

idea/src/org/jetbrains/kotlin/idea/highlighter/markers/KotlinLineMarkerProvider.kt

@@ -83,7 +83,7 @@ class KotlinLineMarkerProvider : LineMarkerProviderDescriptor() {
         return info
     }
 
-    override fun collectSlowLineMarkers(elements: List<PsiElement>, result: MutableCollection<LineMarkerInfo<*>>) {
+    override fun collectSlowLineMarkers(elements: List<PsiElement>, result: LineMarkerInfos) {
         if (elements.isEmpty()) return
         if (KotlinLineMarkerOptions.options.none { option -> option.isEnabled }) return
 
@@ -251,7 +251,7 @@ private fun isImplementsAndNotOverrides(
     return descriptor.modality != Modality.ABSTRACT && overriddenMembers.all { it.modality == Modality.ABSTRACT }
 }
 
-private fun collectSuperDeclarationMarkers(declaration: KtDeclaration, result: MutableCollection<LineMarkerInfo<*>>) {
+private fun collectSuperDeclarationMarkers(declaration: KtDeclaration, result: LineMarkerInfos) {
     if (!(KotlinLineMarkerOptions.implementingOption.isEnabled || KotlinLineMarkerOptions.overridingOption.isEnabled)) return
 
     assert(declaration is KtNamedFunction || declaration is KtProperty || declaration is KtParameter)
@@ -287,7 +287,7 @@ private fun collectSuperDeclarationMarkers(declaration: KtDeclaration, result: M
     result.add(lineMarkerInfo)
 }
 
-private fun collectInheritedClassMarker(element: KtClass, result: MutableCollection<LineMarkerInfo<*>>) {
+private fun collectInheritedClassMarker(element: KtClass, result: LineMarkerInfos) {
     if (!(KotlinLineMarkerOptions.implementedOption.isEnabled || KotlinLineMarkerOptions.overriddenOption.isEnabled)) return
 
     if (!element.isInheritable()) {
@@ -321,7 +321,7 @@ private fun collectInheritedClassMarker(element: KtClass, result: MutableCollect
 
 private fun collectOverriddenPropertyAccessors(
     properties: Collection<KtNamedDeclaration>,
-    result: MutableCollection<LineMarkerInfo<*>>
+    result: LineMarkerInfos
 ) {
     if (!(KotlinLineMarkerOptions.implementedOption.isEnabled || KotlinLineMarkerOptions.overriddenOption.isEnabled)) return
 
@@ -368,7 +368,7 @@ private val KtNamedDeclaration.expectOrActualAnchor
 
 private fun collectMultiplatformMarkers(
     declaration: KtNamedDeclaration,
-    result: MutableCollection<LineMarkerInfo<*>>
+    result: LineMarkerInfos
 ) {
     if (KotlinLineMarkerOptions.actualOption.isEnabled) {
         if (declaration.isExpectDeclaration()) {
@@ -460,7 +460,7 @@ internal fun KtDeclaration.findMarkerBoundDeclarations(): Sequence<KtNamedDeclar
 
 private fun collectActualMarkers(
     declaration: KtNamedDeclaration,
-    result: MutableCollection<LineMarkerInfo<*>>
+    result: LineMarkerInfos
 ) {
     if (!KotlinLineMarkerOptions.actualOption.isEnabled) return
     if (declaration.requiresNoMarkers()) return
@@ -491,7 +491,7 @@ private fun collectActualMarkers(
 
 private fun collectExpectedMarkers(
     declaration: KtNamedDeclaration,
-    result: MutableCollection<LineMarkerInfo<*>>
+    result: LineMarkerInfos
 ) {
     if (!KotlinLineMarkerOptions.expectOption.isEnabled) return
 
@@ -520,7 +520,7 @@ private fun collectExpectedMarkers(
     result.add(lineMarkerInfo)
 }
 
-private fun collectOverriddenFunctions(functions: Collection<KtNamedFunction>, result: MutableCollection<LineMarkerInfo<*>>) {
+private fun collectOverriddenFunctions(functions: Collection<KtNamedFunction>, result: LineMarkerInfos) {
     if (!(KotlinLineMarkerOptions.implementedOption.isEnabled || KotlinLineMarkerOptions.overriddenOption.isEnabled)) {
         return
     }

idea/src/org/jetbrains/kotlin/idea/highlighter/markers/KotlinLineMarkerProvider.kt.202

@@ -1,561 +0,0 @@
-/*
- * Copyright 2000-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.idea.highlighter.markers
-
-import com.intellij.codeHighlighting.Pass
-import com.intellij.codeInsight.daemon.*
-import com.intellij.codeInsight.daemon.impl.LineMarkerNavigator
-import com.intellij.codeInsight.daemon.impl.MarkerType
-import com.intellij.codeInsight.daemon.impl.PsiElementListNavigator
-import com.intellij.codeInsight.navigation.ListBackgroundUpdaterTask
-import com.intellij.openapi.actionSystem.IdeActions
-import com.intellij.openapi.editor.Document
-import com.intellij.openapi.editor.colors.CodeInsightColors
-import com.intellij.openapi.editor.colors.EditorColorsManager
-import com.intellij.openapi.editor.markup.GutterIconRenderer
-import com.intellij.openapi.editor.markup.SeparatorPlacement
-import com.intellij.openapi.progress.ProgressManager
-import com.intellij.openapi.project.DumbService
-import com.intellij.openapi.util.text.StringUtil
-import com.intellij.psi.*
-import com.intellij.psi.search.searches.ClassInheritorsSearch
-import com.intellij.psi.util.PsiTreeUtil
-import org.jetbrains.kotlin.asJava.LightClassUtil
-import org.jetbrains.kotlin.asJava.toLightClass
-import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
-import org.jetbrains.kotlin.descriptors.MemberDescriptor
-import org.jetbrains.kotlin.descriptors.Modality
-import org.jetbrains.kotlin.idea.caches.lightClasses.KtFakeLightClass
-import org.jetbrains.kotlin.idea.caches.lightClasses.KtFakeLightMethod
-import org.jetbrains.kotlin.idea.caches.project.implementedDescriptors
-import org.jetbrains.kotlin.idea.caches.project.implementingDescriptors
-import org.jetbrains.kotlin.idea.caches.resolve.findModuleDescriptor
-import org.jetbrains.kotlin.idea.core.isInheritable
-import org.jetbrains.kotlin.idea.core.isOverridable
-import org.jetbrains.kotlin.idea.core.toDescriptor
-import org.jetbrains.kotlin.idea.editor.fixers.startLine
-import org.jetbrains.kotlin.idea.KotlinBundle
-import org.jetbrains.kotlin.idea.presentation.DeclarationByModuleRenderer
-import org.jetbrains.kotlin.idea.search.declarationsSearch.toPossiblyFakeLightMethods
-import org.jetbrains.kotlin.idea.util.*
-import org.jetbrains.kotlin.lexer.KtTokens
-import org.jetbrains.kotlin.psi.*
-import org.jetbrains.kotlin.psi.psiUtil.containingClassOrObject
-import org.jetbrains.kotlin.psi.psiUtil.getPrevSiblingIgnoringWhitespaceAndComments
-import java.awt.event.MouseEvent
-import java.util.*
-import javax.swing.ListCellRenderer
-
-class KotlinLineMarkerProvider : LineMarkerProviderDescriptor() {
-    override fun getName() = KotlinBundle.message("highlighter.name.kotlin.line.markers")
-
-    override fun getOptions(): Array<Option> = KotlinLineMarkerOptions.options
-
-    override fun getLineMarkerInfo(element: PsiElement): LineMarkerInfo<PsiElement>? {
-        if (DaemonCodeAnalyzerSettings.getInstance().SHOW_METHOD_SEPARATORS) {
-            if (element.canHaveSeparator()) {
-                val prevSibling = element.getPrevSiblingIgnoringWhitespaceAndComments()
-                if (prevSibling.canHaveSeparator() &&
-                    (element.wantsSeparator() || prevSibling?.wantsSeparator() == true)
-                ) {
-                    return createLineSeparatorByElement(element)
-                }
-            }
-        }
-
-        return null
-    }
-
-    private fun PsiElement?.canHaveSeparator() =
-        this is KtFunction || this is KtClassInitializer || (this is KtProperty && !isLocal)
-
-    private fun PsiElement.wantsSeparator() = this is KtFunction || StringUtil.getLineBreakCount(text) > 0
-
-    private fun createLineSeparatorByElement(element: PsiElement): LineMarkerInfo<PsiElement> {
-        val anchor = PsiTreeUtil.getDeepestFirst(element)
-
-        val info = LineMarkerInfo(anchor, anchor.textRange, null, Pass.LINE_MARKERS, null, null, GutterIconRenderer.Alignment.RIGHT)
-        info.separatorColor = EditorColorsManager.getInstance().globalScheme.getColor(CodeInsightColors.METHOD_SEPARATORS_COLOR)
-        info.separatorPlacement = SeparatorPlacement.TOP
-        return info
-    }
-
-    override fun collectSlowLineMarkers(elements: List<PsiElement>, result: MutableCollection<in LineMarkerInfo<*>>) {
-        if (elements.isEmpty()) return
-        if (KotlinLineMarkerOptions.options.none { option -> option.isEnabled }) return
-
-        val first = elements.first()
-        if (DumbService.getInstance(first.project).isDumb || !ProjectRootsUtil.isInProjectOrLibSource(first)) return
-
-        val functions = hashSetOf<KtNamedFunction>()
-        val properties = hashSetOf<KtNamedDeclaration>()
-        val declarations = hashSetOf<KtNamedDeclaration>()
-
-        for (leaf in elements) {
-            ProgressManager.checkCanceled()
-            if (leaf !is PsiIdentifier && leaf.firstChild != null) continue
-            val element = leaf.parent as? KtNamedDeclaration ?: continue
-            if (!declarations.add(element)) continue
-
-            when (element) {
-                is KtClass -> {
-                    collectInheritedClassMarker(element, result)
-                    collectHighlightingColorsMarkers(element, result)
-                }
-                is KtNamedFunction -> {
-                    functions.add(element)
-                    collectSuperDeclarationMarkers(element, result)
-                }
-                is KtProperty -> {
-                    properties.add(element)
-                    collectSuperDeclarationMarkers(element, result)
-                }
-                is KtParameter -> {
-                    if (element.hasValOrVar()) {
-                        properties.add(element)
-                        collectSuperDeclarationMarkers(element, result)
-                    }
-                }
-            }
-            collectMultiplatformMarkers(element, result)
-        }
-
-        collectOverriddenFunctions(functions, result)
-        collectOverriddenPropertyAccessors(properties, result)
-    }
-}
-
-data class NavigationPopupDescriptor(
-    val targets: Collection<NavigatablePsiElement>,
-    val title: String,
-    val findUsagesTitle: String,
-    val renderer: ListCellRenderer<*>,
-    val updater: ListBackgroundUpdaterTask? = null
-) {
-    fun showPopup(e: MouseEvent?) {
-        PsiElementListNavigator.openTargets(e, targets.toTypedArray(), title, findUsagesTitle, renderer, updater)
-    }
-}
-
-interface TestableLineMarkerNavigator {
-    fun getTargetsPopupDescriptor(element: PsiElement?): NavigationPopupDescriptor?
-}
-
-private val SUBCLASSED_CLASS = MarkerType(
-    "SUBCLASSED_CLASS",
-    { getPsiClass(it)?.let(::getSubclassedClassTooltip) },
-    object : LineMarkerNavigator() {
-        override fun browse(e: MouseEvent?, element: PsiElement?) {
-            getPsiClass(element)?.let {
-                MarkerType.navigateToSubclassedClass(e, it, DeclarationByModuleRenderer())
-            }
-        }
-    })
-
-private val OVERRIDDEN_FUNCTION = object : MarkerType(
-    "OVERRIDDEN_FUNCTION",
-    { getPsiMethod(it)?.let(::getOverriddenMethodTooltip) },
-    object : LineMarkerNavigator() {
-        override fun browse(e: MouseEvent?, element: PsiElement?) {
-            buildNavigateToOverriddenMethodPopup(e, element)?.showPopup(e)
-        }
-    }) {
-
-    override fun getNavigationHandler(): GutterIconNavigationHandler<PsiElement> {
-        val superHandler = super.getNavigationHandler()
-        return object : GutterIconNavigationHandler<PsiElement>, TestableLineMarkerNavigator {
-            override fun navigate(e: MouseEvent?, elt: PsiElement?) {
-                superHandler.navigate(e, elt)
-            }
-
-            override fun getTargetsPopupDescriptor(element: PsiElement?) = buildNavigateToOverriddenMethodPopup(null, element)
-        }
-    }
-}
-
-private val OVERRIDDEN_PROPERTY = object : MarkerType(
-    "OVERRIDDEN_PROPERTY",
-    { it?.let { getOverriddenPropertyTooltip(it.parent as KtNamedDeclaration) } },
-    object : LineMarkerNavigator() {
-        override fun browse(e: MouseEvent?, element: PsiElement?) {
-            buildNavigateToPropertyOverriddenDeclarationsPopup(e, element)?.showPopup(e)
-        }
-    }) {
-
-    override fun getNavigationHandler(): GutterIconNavigationHandler<PsiElement> {
-        val superHandler = super.getNavigationHandler()
-        return object : GutterIconNavigationHandler<PsiElement>, TestableLineMarkerNavigator {
-            override fun navigate(e: MouseEvent?, elt: PsiElement?) {
-                superHandler.navigate(e, elt)
-            }
-
-            override fun getTargetsPopupDescriptor(element: PsiElement?) = buildNavigateToPropertyOverriddenDeclarationsPopup(null, element)
-        }
-    }
-}
-
-val PsiElement.markerDeclaration
-    get() = (this as? KtDeclaration) ?: (parent as? KtDeclaration)
-
-private val PLATFORM_ACTUAL = object : MarkerType(
-    "PLATFORM_ACTUAL",
-    { element -> element?.markerDeclaration?.let { getPlatformActualTooltip(it) } },
-    object : LineMarkerNavigator() {
-        override fun browse(e: MouseEvent?, element: PsiElement?) {
-            buildNavigateToActualDeclarationsPopup(element)?.showPopup(e)
-        }
-    }) {
-    override fun getNavigationHandler(): GutterIconNavigationHandler<PsiElement> {
-        val superHandler = super.getNavigationHandler()
-        return object : GutterIconNavigationHandler<PsiElement>, TestableLineMarkerNavigator {
-            override fun navigate(e: MouseEvent?, elt: PsiElement?) {
-                superHandler.navigate(e, elt)
-            }
-
-            override fun getTargetsPopupDescriptor(element: PsiElement?): NavigationPopupDescriptor? {
-                return buildNavigateToActualDeclarationsPopup(element)
-            }
-        }
-    }
-}
-
-private val EXPECTED_DECLARATION = object : MarkerType(
-    "EXPECTED_DECLARATION",
-    { element -> element?.markerDeclaration?.let { getExpectedDeclarationTooltip(it) } },
-    object : LineMarkerNavigator() {
-        override fun browse(e: MouseEvent?, element: PsiElement?) {
-            buildNavigateToExpectedDeclarationsPopup(element)?.showPopup(e)
-        }
-    }) {
-    override fun getNavigationHandler(): GutterIconNavigationHandler<PsiElement> {
-        val superHandler = super.getNavigationHandler()
-        return object : GutterIconNavigationHandler<PsiElement>, TestableLineMarkerNavigator {
-            override fun navigate(e: MouseEvent?, elt: PsiElement?) {
-                superHandler.navigate(e, elt)
-            }
-
-            override fun getTargetsPopupDescriptor(element: PsiElement?): NavigationPopupDescriptor? {
-                return buildNavigateToExpectedDeclarationsPopup(element)
-            }
-        }
-    }
-}
-
-private fun isImplementsAndNotOverrides(
-    descriptor: CallableMemberDescriptor,
-    overriddenMembers: Collection<CallableMemberDescriptor>
-): Boolean {
-    return descriptor.modality != Modality.ABSTRACT && overriddenMembers.all { it.modality == Modality.ABSTRACT }
-}
-
-private fun collectSuperDeclarationMarkers(declaration: KtDeclaration, result: MutableCollection<in LineMarkerInfo<*>>) {
-    if (!(KotlinLineMarkerOptions.implementingOption.isEnabled || KotlinLineMarkerOptions.overridingOption.isEnabled)) return
-
-    assert(declaration is KtNamedFunction || declaration is KtProperty || declaration is KtParameter)
-
-    if (!declaration.hasModifier(KtTokens.OVERRIDE_KEYWORD)) return
-
-    val resolveWithParents = resolveDeclarationWithParents(declaration)
-    if (resolveWithParents.overriddenDescriptors.isEmpty()) return
-
-    val implements = isImplementsAndNotOverrides(resolveWithParents.descriptor!!, resolveWithParents.overriddenDescriptors)
-
-    val anchor = (declaration as? KtNamedDeclaration)?.nameIdentifier ?: declaration
-
-    // NOTE: Don't store descriptors in line markers because line markers are not deleted while editing other files and this can prevent
-    // clearing the whole BindingTrace.
-
-    val lineMarkerInfo = LineMarkerInfo(
-        anchor,
-        anchor.textRange,
-        if (implements) KotlinLineMarkerOptions.implementingOption.icon else KotlinLineMarkerOptions.overridingOption.icon,
-        Pass.LINE_MARKERS,
-        SuperDeclarationMarkerTooltip,
-        SuperDeclarationMarkerNavigationHandler(),
-        GutterIconRenderer.Alignment.RIGHT
-    )
-    NavigateAction.setNavigateAction(
-        lineMarkerInfo,
-        if (declaration is KtNamedFunction) KotlinBundle.message("highlighter.action.text.go.to.super.method") else KotlinBundle.message(
-            "highlighter.action.text.go.to.super.property"
-        ),
-        IdeActions.ACTION_GOTO_SUPER
-    )
-    result.add(lineMarkerInfo)
-}
-
-private fun collectInheritedClassMarker(element: KtClass, result: MutableCollection<in LineMarkerInfo<*>>) {
-    if (!(KotlinLineMarkerOptions.implementedOption.isEnabled || KotlinLineMarkerOptions.overriddenOption.isEnabled)) return
-
-    if (!element.isInheritable()) {
-        return
-    }
-
-    val lightClass = element.toLightClass() ?: KtFakeLightClass(element)
-
-    if (ClassInheritorsSearch.search(lightClass, false).findFirst() == null) return
-
-    val anchor = element.nameIdentifier ?: element
-
-    val lineMarkerInfo = LineMarkerInfo(
-        anchor,
-        anchor.textRange,
-        if (element.isInterface()) KotlinLineMarkerOptions.implementedOption.icon else KotlinLineMarkerOptions.overriddenOption.icon,
-        Pass.LINE_MARKERS,
-        SUBCLASSED_CLASS.tooltip,
-        SUBCLASSED_CLASS.navigationHandler,
-        GutterIconRenderer.Alignment.RIGHT
-    )
-    NavigateAction.setNavigateAction(
-        lineMarkerInfo,
-        if (element.isInterface()) KotlinBundle.message("highlighter.action.text.go.to.implementations") else KotlinBundle.message(
-            "highlighter.action.text.go.to.subclasses"
-        ),
-        IdeActions.ACTION_GOTO_IMPLEMENTATION
-    )
-    result.add(lineMarkerInfo)
-}
-
-private fun collectOverriddenPropertyAccessors(
-    properties: Collection<KtNamedDeclaration>,
-    result: MutableCollection<in LineMarkerInfo<*>>
-) {
-    if (!(KotlinLineMarkerOptions.implementedOption.isEnabled || KotlinLineMarkerOptions.overriddenOption.isEnabled)) return
-
-    val mappingToJava = HashMap<PsiElement, KtNamedDeclaration>()
-    for (property in properties) {
-        if (property.isOverridable()) {
-            property.toPossiblyFakeLightMethods().forEach { mappingToJava[it] = property }
-            mappingToJava[property] = property
-        }
-    }
-
-    val classes = collectContainingClasses(mappingToJava.keys.filterIsInstance<PsiMethod>())
-
-    for (property in getOverriddenDeclarations(mappingToJava, classes)) {
-        ProgressManager.checkCanceled()
-
-        val anchor = (property as? PsiNameIdentifierOwner)?.nameIdentifier ?: property
-
-        val lineMarkerInfo = LineMarkerInfo(
-            anchor,
-            anchor.textRange,
-            if (isImplemented(property)) KotlinLineMarkerOptions.implementedOption.icon else KotlinLineMarkerOptions.overriddenOption.icon,
-            Pass.LINE_MARKERS,
-            OVERRIDDEN_PROPERTY.tooltip,
-            OVERRIDDEN_PROPERTY.navigationHandler,
-            GutterIconRenderer.Alignment.RIGHT
-        )
-        NavigateAction.setNavigateAction(
-            lineMarkerInfo,
-            KotlinBundle.message("highlighter.action.text.go.to.overridden.properties"),
-            IdeActions.ACTION_GOTO_IMPLEMENTATION
-        )
-        result.add(lineMarkerInfo)
-    }
-}
-
-private val KtNamedDeclaration.expectOrActualAnchor
-    get() =
-        nameIdentifier ?: when (this) {
-            is KtConstructor<*> -> getConstructorKeyword() ?: getValueParameterList()?.leftParenthesis
-            is KtObjectDeclaration -> getObjectKeyword()
-            else -> null
-        } ?: this
-
-private fun collectMultiplatformMarkers(
-    declaration: KtNamedDeclaration,
-    result: MutableCollection<in LineMarkerInfo<*>>
-) {
-    if (KotlinLineMarkerOptions.actualOption.isEnabled) {
-        if (declaration.isExpectDeclaration()) {
-            collectActualMarkers(declaration, result)
-            return
-        }
-    }
-
-    if (KotlinLineMarkerOptions.expectOption.isEnabled) {
-        if (!declaration.isExpectDeclaration() && declaration.isEffectivelyActual()) {
-            collectExpectedMarkers(declaration, result)
-            return
-        }
-    }
-}
-
-private fun Document.areAnchorsOnOneLine(
-    first: KtNamedDeclaration,
-    second: KtNamedDeclaration?
-): Boolean {
-    if (second == null) return false
-    val firstAnchor = first.expectOrActualAnchor
-    val secondAnchor = second.expectOrActualAnchor
-    return firstAnchor.startLine(this) == secondAnchor.startLine(this)
-}
-
-private fun KtNamedDeclaration.requiresNoMarkers(
-    document: Document? = PsiDocumentManager.getInstance(project).getDocument(containingFile)
-): Boolean {
-    when (this) {
-        is KtPrimaryConstructor -> {
-            return true
-        }
-        is KtParameter,
-        is KtEnumEntry -> {
-            if (document?.areAnchorsOnOneLine(this, containingClassOrObject) == true) {
-                return true
-            }
-            if (this is KtEnumEntry) {
-                val enumEntries = containingClassOrObject?.body?.enumEntries.orEmpty()
-                val previousEnumEntry = enumEntries.getOrNull(enumEntries.indexOf(this) - 1)
-                if (document?.areAnchorsOnOneLine(this, previousEnumEntry) == true) {
-                    return true
-                }
-            }
-            if (this is KtParameter && hasValOrVar()) {
-                val parameters = containingClassOrObject?.primaryConstructorParameters.orEmpty()
-                val previousParameter = parameters.getOrNull(parameters.indexOf(this) - 1)
-                if (document?.areAnchorsOnOneLine(this, previousParameter) == true) {
-                    return true
-                }
-            }
-        }
-    }
-    return false
-}
-
-internal fun KtDeclaration.findMarkerBoundDeclarations(): Sequence<KtNamedDeclaration> {
-    if (this !is KtClass && this !is KtParameter) return emptySequence()
-    val document = PsiDocumentManager.getInstance(project).getDocument(containingFile)
-
-    fun <T : KtNamedDeclaration> Sequence<T>.takeBound(bound: KtNamedDeclaration) = takeWhile {
-        document?.areAnchorsOnOneLine(bound, it) == true
-    }
-
-    return when (this) {
-        is KtParameter -> {
-            val propertyParameters = takeIf { hasValOrVar() }?.containingClassOrObject?.primaryConstructorParameters
-                ?: return emptySequence()
-            propertyParameters.asSequence().dropWhile {
-                it !== this
-            }.drop(1).takeBound(this).filter { it.hasValOrVar() }
-        }
-        is KtEnumEntry -> {
-            val enumEntries = containingClassOrObject?.body?.enumEntries ?: return emptySequence()
-            enumEntries.asSequence().dropWhile {
-                it !== this
-            }.drop(1).takeBound(this)
-        }
-        is KtClass -> {
-            val boundParameters =
-                primaryConstructor?.valueParameters?.asSequence()?.takeBound(this)?.filter { it.hasValOrVar() }.orEmpty()
-            val boundEnumEntries = this.takeIf { isEnum() }?.body?.enumEntries?.asSequence()?.takeBound(this).orEmpty()
-            boundParameters + boundEnumEntries
-        }
-        else -> emptySequence()
-    }
-}
-
-private fun collectActualMarkers(
-    declaration: KtNamedDeclaration,
-    result: MutableCollection<in LineMarkerInfo<*>>
-) {
-    if (!KotlinLineMarkerOptions.actualOption.isEnabled) return
-    if (declaration.requiresNoMarkers()) return
-
-    val descriptor = declaration.toDescriptor() as? MemberDescriptor ?: return
-    val commonModuleDescriptor = declaration.containingKtFile.findModuleDescriptor()
-
-    if (commonModuleDescriptor.implementingDescriptors.none { it.hasActualsFor(descriptor) }) return
-
-    val anchor = declaration.expectOrActualAnchor
-
-    val lineMarkerInfo = LineMarkerInfo(
-        anchor,
-        anchor.textRange,
-        KotlinLineMarkerOptions.actualOption.icon,
-        Pass.LINE_MARKERS,
-        PLATFORM_ACTUAL.tooltip,
-        PLATFORM_ACTUAL.navigationHandler,
-        GutterIconRenderer.Alignment.RIGHT
-    )
-    NavigateAction.setNavigateAction(
-        lineMarkerInfo,
-        KotlinBundle.message("highlighter.action.text.go.to.actual.declarations"),
-        IdeActions.ACTION_GOTO_IMPLEMENTATION
-    )
-    result.add(lineMarkerInfo)
-}
-
-private fun collectExpectedMarkers(
-    declaration: KtNamedDeclaration,
-    result: MutableCollection<in LineMarkerInfo<*>>
-) {
-    if (!KotlinLineMarkerOptions.expectOption.isEnabled) return
-
-    if (declaration.requiresNoMarkers()) return
-
-    val descriptor = declaration.toDescriptor() as? MemberDescriptor ?: return
-    val platformModuleDescriptor = declaration.containingKtFile.findModuleDescriptor()
-    if (!platformModuleDescriptor.implementedDescriptors.any { it.hasDeclarationOf(descriptor) }) return
-
-    val anchor = declaration.expectOrActualAnchor
-
-    val lineMarkerInfo = LineMarkerInfo(
-        anchor,
-        anchor.textRange,
-        KotlinLineMarkerOptions.expectOption.icon,
-        Pass.LINE_MARKERS,
-        EXPECTED_DECLARATION.tooltip,
-        EXPECTED_DECLARATION.navigationHandler,
-        GutterIconRenderer.Alignment.RIGHT
-    )
-    NavigateAction.setNavigateAction(
-        lineMarkerInfo,
-        KotlinBundle.message("highlighter.action.text.go.to.expected.declaration"),
-        null
-    )
-    result.add(lineMarkerInfo)
-}
-
-private fun collectOverriddenFunctions(functions: Collection<KtNamedFunction>, result: MutableCollection<in LineMarkerInfo<*>>) {
-    if (!(KotlinLineMarkerOptions.implementedOption.isEnabled || KotlinLineMarkerOptions.overriddenOption.isEnabled)) {
-        return
-    }
-
-    val mappingToJava = HashMap<PsiElement, KtNamedFunction>()
-    for (function in functions) {
-        if (function.isOverridable()) {
-            val method = LightClassUtil.getLightClassMethod(function) ?: KtFakeLightMethod.get(function)
-            if (method != null) {
-                mappingToJava[method] = function
-            }
-            mappingToJava[function] = function
-        }
-    }
-
-    val classes = collectContainingClasses(mappingToJava.keys.filterIsInstance<PsiMethod>())
-
-    for (function in getOverriddenDeclarations(mappingToJava, classes)) {
-        ProgressManager.checkCanceled()
-
-        val anchor = function.nameIdentifier ?: function
-
-        val lineMarkerInfo = LineMarkerInfo(
-            anchor,
-            anchor.textRange,
-            if (isImplemented(function)) KotlinLineMarkerOptions.implementedOption.icon else KotlinLineMarkerOptions.overriddenOption.icon,
-            Pass.LINE_MARKERS, OVERRIDDEN_FUNCTION.tooltip,
-            OVERRIDDEN_FUNCTION.navigationHandler,
-            GutterIconRenderer.Alignment.RIGHT
-        )
-        NavigateAction.setNavigateAction(
-            lineMarkerInfo,
-            KotlinBundle.message("highlighter.action.text.go.to.overridden.methods"),
-            IdeActions.ACTION_GOTO_IMPLEMENTATION
-        )
-        result.add(lineMarkerInfo)
-    }
-}

idea/src/org/jetbrains/kotlin/idea/highlighter/markers/LineMarkerInfos.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.highlighter.markers
+
+import com.intellij.codeInsight.daemon.LineMarkerInfo
+
+typealias LineMarkerInfos = MutableCollection<LineMarkerInfo<*>>

idea/src/org/jetbrains/kotlin/idea/highlighter/markers/LineMarkerInfos.kt.202

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.highlighter.markers
+
+import com.intellij.codeInsight.daemon.LineMarkerInfo
+
+typealias LineMarkerInfos = MutableCollection<in LineMarkerInfo<*>>