| // Copyright (c) 2018, 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.debug; |
| |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.FieldVisitor; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| public class StepIntoMethodWithTypeParameterArgumentsTestDump implements Opcodes { |
| |
| public static byte[] dump(boolean moveFirstLineEntry) { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| FieldVisitor fieldVisitor; |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_PUBLIC | ACC_SUPER, |
| "com/android/tools/r8/debug/StepIntoMethodWithTypeParameterArgumentsTest", |
| null, |
| "java/lang/Object", |
| null); |
| |
| classWriter.visitSource("StepIntoMethodWithTypeParameterArgumentsTest.java", null); |
| |
| { |
| fieldVisitor = |
| classWriter.visitField( |
| ACC_PUBLIC | ACC_STATIC, |
| "field", |
| "Ljava/util/List;", |
| "Ljava/util/List<Ljava/lang/Object;>;", |
| null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(9, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| methodVisitor.visitInsn(RETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable( |
| "this", |
| "Lcom/android/tools/r8/debug/StepIntoMethodWithTypeParameterArgumentsTest;", |
| null, |
| label0, |
| label1, |
| 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC, |
| "foo", |
| "(Ljava/util/List;)V", |
| "(Ljava/util/List<Ljava/lang/String;>;)V", |
| null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| if (!moveFirstLineEntry) { |
| // Removed to have 'strings' start at undefined line number. |
| methodVisitor.visitLineNumber(14, label0); |
| } |
| methodVisitor.visitFieldInsn( |
| GETSTATIC, |
| "com/android/tools/r8/debug/StepIntoMethodWithTypeParameterArgumentsTest", |
| "field", |
| "Ljava/util/List;"); |
| methodVisitor.visitVarInsn(ASTORE, 1); |
| if (moveFirstLineEntry) { |
| // Move the line entry to after 'strings' has already become live. |
| Label labelNop = new Label(); |
| methodVisitor.visitLabel(labelNop); |
| methodVisitor.visitLineNumber(14, labelNop); |
| methodVisitor.visitInsn(NOP); |
| } |
| // Now at line 13 objects will be live. |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(15, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "strings", "Ljava/util/List;", "Ljava/util/List<Ljava/lang/String;>;", label0, label2, 0); |
| methodVisitor.visitLocalVariable( |
| "objects", |
| "Ljava/util/Collection;", |
| "Ljava/util/Collection<Ljava/lang/Object;>;", |
| label1, |
| label2, |
| 1); |
| methodVisitor.visitMaxs(1, 2); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(18, label0); |
| methodVisitor.visitInsn(ACONST_NULL); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/debug/StepIntoMethodWithTypeParameterArgumentsTest", |
| "foo", |
| "(Ljava/util/List;)V", |
| false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(19, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable("args", "[Ljava/lang/String;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(11, label0); |
| methodVisitor.visitInsn(ACONST_NULL); |
| methodVisitor.visitFieldInsn( |
| PUTSTATIC, |
| "com/android/tools/r8/debug/StepIntoMethodWithTypeParameterArgumentsTest", |
| "field", |
| "Ljava/util/List;"); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(1, 0); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |