| // Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.kotlin.metadata.jvmstatic_app; |
| |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.Handle; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| import org.objectweb.asm.Type; |
| |
| public class MainJava implements Opcodes { |
| |
| // The java code cannot reference the kotlin-code when running in gradle, so we have it here |
| // as a dump. |
| |
| // public static void main(String[] args) { |
| // InterfaceWithCompanion.greet("Hello"); |
| // Lib.staticFun(() -> true); |
| // Lib.setStaticProp("Foo"); |
| // System.out.println(Lib.getStaticProp()); |
| // } |
| |
| public static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_PUBLIC | ACC_SUPER, |
| "com/android/tools/r8/kotlin/metadata/jvmstatic_app/MainJava", |
| null, |
| "java/lang/Object", |
| null); |
| |
| classWriter.visitInnerClass( |
| "java/lang/invoke/MethodHandles$Lookup", |
| "java/lang/invoke/MethodHandles", |
| "Lookup", |
| ACC_PUBLIC | ACC_FINAL | ACC_STATIC); |
| |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitLdcInsn("Hello"); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/kotlin/metadata/jvmstatic_lib/InterfaceWithCompanion", |
| "greet", |
| "(Ljava/lang/String;)V", |
| true); |
| methodVisitor.visitInvokeDynamicInsn( |
| "invoke", |
| "()Lkotlin/jvm/functions/Function0;", |
| new Handle( |
| Opcodes.H_INVOKESTATIC, |
| "java/lang/invoke/LambdaMetafactory", |
| "metafactory", |
| "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;", |
| false), |
| new Object[] { |
| Type.getType("()Ljava/lang/Object;"), |
| new Handle( |
| Opcodes.H_INVOKESTATIC, |
| "com/android/tools/r8/kotlin/metadata/jvmstatic_app/MainJava", |
| "lambda$main$0", |
| "()Ljava/lang/Boolean;", |
| false), |
| Type.getType("()Ljava/lang/Boolean;") |
| }); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/kotlin/metadata/jvmstatic_lib/Lib", |
| "staticFun", |
| "(Lkotlin/jvm/functions/Function0;)V", |
| false); |
| methodVisitor.visitLdcInsn("Foo"); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/kotlin/metadata/jvmstatic_lib/Lib", |
| "setStaticProp", |
| "(Ljava/lang/String;)V", |
| false); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/kotlin/metadata/jvmstatic_lib/Lib", |
| "getStaticProp", |
| "()Ljava/lang/String;", |
| false); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PRIVATE | ACC_STATIC | ACC_SYNTHETIC, |
| "lambda$main$0", |
| "()Ljava/lang/Boolean;", |
| null, |
| null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;", false); |
| methodVisitor.visitInsn(ARETURN); |
| methodVisitor.visitMaxs(1, 0); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |