| /* |
| * Copyright 2010-2017 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.testFramework |
| |
| import org.jetbrains.org.objectweb.asm.* |
| import org.jetbrains.org.objectweb.asm.util.TraceClassVisitor |
| import java.io.PrintWriter |
| import java.lang.instrument.ClassFileTransformer |
| import java.security.ProtectionDomain |
| |
| |
| class MockApplicationCreationTracingInstrumenter(private val debugInfo: Boolean) : ClassFileTransformer { |
| |
| private fun loadTransformAndSerialize(classfileBuffer: ByteArray, lambda: (out: ClassVisitor) -> ClassVisitor): ByteArray { |
| val reader = ClassReader(classfileBuffer) |
| |
| val writer = ClassWriter(ClassWriter.COMPUTE_FRAMES or ClassWriter.COMPUTE_MAXS) |
| |
| val pv = if (debugInfo) { |
| TraceClassVisitor(writer, PrintWriter(System.out.writer())) |
| } |
| else { |
| writer |
| } |
| |
| reader.accept(lambda(pv), 0) |
| |
| return writer.toByteArray() |
| } |
| |
| private fun isMockComponentManagerCreationTracerCanBeLoaded(loader: ClassLoader): Boolean = |
| loader.getResource("org/jetbrains/kotlin/testFramework/MockComponentManagerCreationTracer.class") != null |
| |
| override fun transform( |
| loader: ClassLoader, |
| className: String, |
| classBeingRedefined: Class<*>?, |
| protectionDomain: ProtectionDomain, |
| classfileBuffer: ByteArray |
| ): ByteArray? { |
| if (loader::class.java.name == "org.jetbrains.kotlin.preloading.MemoryBasedClassLoader") return null |
| |
| if (className == "com/intellij/mock/MockComponentManager" && isMockComponentManagerCreationTracerCanBeLoaded(loader)) { |
| return loadTransformAndSerialize(classfileBuffer, this::transformMockComponentManager) |
| } |
| else if (className == "com/intellij/mock/MockComponentManager$1" && isMockComponentManagerCreationTracerCanBeLoaded(loader)) { |
| return loadTransformAndSerialize(classfileBuffer, this::transformMockComponentManagerPicoContainer) |
| } |
| |
| return null |
| } |
| |
| |
| private fun createMethodTransformClassVisitor( |
| out: ClassVisitor, |
| predicate: (name: String, desc: String) -> Boolean, |
| transform: (original: MethodVisitor) -> MethodVisitor |
| ): ClassVisitor { |
| return object : ClassVisitor(Opcodes.ASM6, out) { |
| |
| var visited = false |
| |
| override fun visitMethod(access: Int, name: String, desc: String, signature: String?, exceptions: Array<out String>?): MethodVisitor { |
| val original = super.visitMethod(access, name, desc, signature, exceptions) |
| return if (predicate(name, desc)) { |
| assert(!visited) |
| visited = true |
| transform(original) |
| } |
| else { |
| original |
| } |
| } |
| |
| override fun visitEnd() { |
| super.visitEnd() |
| assert(visited) |
| } |
| } |
| } |
| |
| private fun transformMockComponentManagerPicoContainer(out: ClassVisitor): ClassVisitor { |
| return createMethodTransformClassVisitor(out, { name, _ -> name == "getComponentInstance" }) { original -> |
| object : MethodVisitor(Opcodes.ASM6, original) { |
| override fun visitCode() { |
| super.visitCode() |
| visitLabel(Label()) |
| visitVarInsn(Opcodes.ALOAD, 0) |
| visitFieldInsn(Opcodes.GETFIELD, "com/intellij/mock/MockComponentManager$1", "this$0", "Lcom/intellij/mock/MockComponentManager;") |
| visitMethodInsn( |
| Opcodes.INVOKESTATIC, |
| "org/jetbrains/kotlin/testFramework/MockComponentManagerCreationTracer", |
| "onGetComponentInstance", |
| "(Lcom/intellij/mock/MockComponentManager;)V", |
| false |
| ) |
| } |
| } |
| } |
| } |
| |
| private fun transformMockComponentManager(out: ClassVisitor): ClassVisitor { |
| return createMethodTransformClassVisitor(out, { name, _ -> name == "<init>" }) { original -> |
| object : MethodVisitor(Opcodes.ASM6, original) { |
| override fun visitInsn(opcode: Int) { |
| if (opcode == Opcodes.RETURN) { |
| visitVarInsn(Opcodes.ALOAD, 0) |
| visitMethodInsn( |
| Opcodes.INVOKESTATIC, |
| "org/jetbrains/kotlin/testFramework/MockComponentManagerCreationTracer", |
| "onCreate", |
| "(Lcom/intellij/mock/MockComponentManager;)V", |
| false |
| ) |
| } |
| super.visitInsn(opcode) |
| } |
| } |
| } |
| } |
| } |