List of usage examples for org.objectweb.asm Opcodes IFNONNULL
int IFNONNULL
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From source file:com.google.test.metric.asm.MethodVisitorBuilder.java
License:Apache License
public void visitJumpInsn(final int opcode, final Label label) { if (opcode == Opcodes.GOTO) { recorder.add(new Runnable() { public void run() { block.addOp(new Transform(lineNumber, "GOTO", null, null, null)); block.unconditionalGoto(label); }// w w w . j ava 2 s .c o m }); } else if (opcode == Opcodes.JSR) { recorder.add(new Runnable() { public void run() { block.jumpSubroutine(label, lineNumber); } }); } else { recorder.add(new Runnable() { public void run() { cyclomaticComplexity.add(lineNumber); switch (opcode) { case Opcodes.IFEQ: if1("IFEQ"); break; case Opcodes.IFNE: if1("IFNE"); break; case Opcodes.IFLT: if1("IFLT"); break; case Opcodes.IFGE: if1("IFGE"); break; case Opcodes.IFGT: if1("IFGT"); break; case Opcodes.IFLE: if1("IFLE"); break; case Opcodes.IFNONNULL: if1("IFNONNULL"); break; case Opcodes.IFNULL: if1("IFNULL"); break; case Opcodes.IF_ACMPEQ: if2("IF_ACMPEQ"); break; case Opcodes.IF_ACMPNE: if2("IF_ACMPNE"); break; case Opcodes.IF_ICMPEQ: if2("IF_ICMPEQ"); break; case Opcodes.IF_ICMPGE: if2("IF_ICMPGE"); break; case Opcodes.IF_ICMPGT: if2("IF_ICMPGT"); break; case Opcodes.IF_ICMPLE: if2("IF_ICMPLE"); break; case Opcodes.IF_ICMPLT: if2("IF_ICMPLT"); break; case Opcodes.IF_ICMPNE: if2("IF_ICMPNE"); break; default: throw new UnsupportedOperationException("" + opcode); } block.conditionalGoto(label); } private void if1(String name) { block.addOp(new Transform(lineNumber, name, JavaType.INT, null, null)); } private void if2(String name) { block.addOp(new Transform(lineNumber, name, JavaType.INT, JavaType.INT, null)); } }); } }
From source file:com.googlecode.ddom.weaver.ext.ModelExtensionFactoryImplementation.java
License:Apache License
public void accept(ClassVisitor classVisitor) { // Note: the name chosen here must match what is expected in ExtensionFactoryLocator String name = Util.classNameToInternalName(implementationInfo.getFactoryInterface().getName() + "$$Impl"); String factoryInterfaceName = Util .classNameToInternalName(implementationInfo.getFactoryInterface().getName()); classVisitor.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC, name, null, "java/lang/Object", new String[] { factoryInterfaceName }); {//from w w w. ja v a 2 s . c o m FieldVisitor fw = classVisitor.visitField(Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL | Opcodes.ACC_STATIC, "INSTANCE", "L" + factoryInterfaceName + ";", null, null); if (fw != null) { fw.visitEnd(); } } { FieldVisitor fw = classVisitor.visitField(Opcodes.ACC_PRIVATE | Opcodes.ACC_FINAL, "delegates", "Ljava/util/Map;", null, null); if (fw != null) { fw.visitEnd(); } } { MethodVisitor mv = classVisitor.visitMethod(Opcodes.ACC_PRIVATE, "<init>", "()V", null, null); if (mv != null) { mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); // Call constructor from superclass mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); // Create delegates map mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitTypeInsn(Opcodes.NEW, "java/util/HashMap"); mv.visitInsn(Opcodes.DUP); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/HashMap", "<init>", "()V"); mv.visitFieldInsn(Opcodes.PUTFIELD, name, "delegates", "Ljava/util/Map;"); // Populate delegates map for (ModelExtensionInfo modelExtensionInfo : implementationInfo.getModelExtensions()) { for (ModelExtensionInterfaceInfo extensionInterface : modelExtensionInfo .getExtensionInterfaces()) { if (!extensionInterface.isAbstract()) { // TODO: this is stupid; we should not recreate the info object here ModelExtensionClassInfo modelExtensionClassInfo = new ModelExtensionClassInfo( implementationInfo.getImplementation(), modelExtensionInfo.getRootInterface(), extensionInterface); String factoryDelegateImplName = Util.classNameToInternalName( modelExtensionClassInfo.getFactoryDelegateImplementationClassName()); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, name, "delegates", "Ljava/util/Map;"); mv.visitLdcInsn(Type.getObjectType(Util.classNameToInternalName( modelExtensionClassInfo.getExtensionInterface().getClassInfo().getName()))); mv.visitTypeInsn(Opcodes.NEW, factoryDelegateImplName); mv.visitInsn(Opcodes.DUP); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, factoryDelegateImplName, "<init>", "()V"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); mv.visitInsn(Opcodes.POP); } } } mv.visitInsn(Opcodes.RETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + ";", null, l0, l1, 0); mv.visitMaxs(4, 1); mv.visitEnd(); } } String factoryDelegateInterfaceName = Util .classNameToInternalName(implementationInfo.getFactoryDelegateInterfaceName()); String getDelegateDesc = "(Ljava/lang/Class;)L" + factoryDelegateInterfaceName + ";"; { MethodVisitor mv = classVisitor.visitMethod(Opcodes.ACC_PRIVATE, "getDelegate", getDelegateDesc, null, null); if (mv != null) { mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, name, "delegates", "Ljava/util/Map;"); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "get", "(Ljava/lang/Object;)Ljava/lang/Object;"); mv.visitTypeInsn(Opcodes.CHECKCAST, factoryDelegateInterfaceName); mv.visitInsn(Opcodes.ARETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + ";", null, l0, l1, 0); mv.visitLocalVariable("extensionInterface", "Ljava/lang/Class;", null, l0, l1, 1); mv.visitMaxs(2, 2); mv.visitEnd(); } } String implementationName = Util.classNameToInternalName(implementationInfo.getImplementation().getName()); for (ConstructorInfo constructor : implementationInfo.getConstructors()) { Type[] constructorArgumentTypes = constructor.getArgumentTypes(); Type[] argumentTypes = new Type[constructorArgumentTypes.length + 1]; argumentTypes[0] = Type.getObjectType("java/lang/Class"); System.arraycopy(constructorArgumentTypes, 0, argumentTypes, 1, constructorArgumentTypes.length); MethodVisitor mv = classVisitor.visitMethod(Opcodes.ACC_PUBLIC, "create", Type.getMethodDescriptor(Type.getObjectType(implementationName), argumentTypes), null, null); if (mv != null) { mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 1); Label l1 = new Label(); mv.visitJumpInsn(Opcodes.IFNONNULL, l1); mv.visitTypeInsn(Opcodes.NEW, implementationName); mv.visitInsn(Opcodes.DUP); for (int i = 0; i < constructorArgumentTypes.length; i++) { mv.visitVarInsn(constructorArgumentTypes[i].getOpcode(Opcodes.ILOAD), i + 2); } mv.visitMethodInsn(Opcodes.INVOKESPECIAL, implementationName, "<init>", constructor.getDescriptor()); mv.visitInsn(Opcodes.ARETURN); mv.visitLabel(l1); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, name, "getDelegate", getDelegateDesc); for (int i = 0; i < constructorArgumentTypes.length; i++) { mv.visitVarInsn(constructorArgumentTypes[i].getOpcode(Opcodes.ILOAD), i + 2); } mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, factoryDelegateInterfaceName, "create", constructor.getFactoryDelegateMethodDescriptor()); mv.visitInsn(Opcodes.ARETURN); Label l3 = new Label(); mv.visitLabel(l3); mv.visitLocalVariable("this", "L" + name + ";", null, l0, l3, 0); mv.visitLocalVariable("extensionInterface", "Ljava/lang/Class;", null, l0, l3, 1); for (int i = 0; i < constructorArgumentTypes.length; i++) { mv.visitLocalVariable("arg" + i, constructorArgumentTypes[i].getDescriptor(), null, l0, l3, i + 2); } mv.visitMaxs(argumentTypes.length + 1, argumentTypes.length + 1); mv.visitEnd(); } } { MethodVisitor mv = classVisitor.visitMethod(Opcodes.ACC_STATIC, "<clinit>", "()V", null, null); if (mv != null) { mv.visitCode(); mv.visitTypeInsn(Opcodes.NEW, name); mv.visitInsn(Opcodes.DUP); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, name, "<init>", "()V"); mv.visitFieldInsn(Opcodes.PUTSTATIC, name, "INSTANCE", "L" + factoryInterfaceName + ";"); mv.visitInsn(Opcodes.RETURN); mv.visitMaxs(2, 0); mv.visitEnd(); } } classVisitor.visitEnd(); }
From source file:com.intellij.compiler.notNullVerification.ThrowOnNullMethodVisitor.java
License:Apache License
/** * Visits a zero operand instruction (ie return). * <p>/*from www . j ava 2 s .c om*/ * {@inheritDoc} */ public void visitInsn(final int opcode) { if (shouldInclude() && opcode == Opcodes.ARETURN) { if (isReturnNotNull) { mv.visitInsn(Opcodes.DUP); final Label skipLabel = new Label(); mv.visitJumpInsn(Opcodes.IFNONNULL, skipLabel); generateThrow(ISE_CLASS_NAME, "NotNull method " + classInfo.getName() + "." + methodName + " must not return null", skipLabel); } } mv.visitInsn(opcode); }
From source file:com.intellij.compiler.notNullVerification.ThrowOnNullMethodVisitor.java
License:Apache License
/** * Starts the visit of the method's code, if any (ie non abstract method). *///from w w w .ja v a 2 s . com @Override public void visitCode() { if (shouldInclude()) { if (!notNullParams.isEmpty()) { startGeneratedCodeLabel = new Label(); mv.visitLabel(startGeneratedCodeLabel); } for (final Integer notNullParam : notNullParams) { int var = ((methodAccess & Opcodes.ACC_STATIC) == 0) ? 1 : 0; for (int i = 0; i < notNullParam + syntheticCount; ++i) { var += argumentTypes[i].getSize(); } mv.visitVarInsn(Opcodes.ALOAD, var); final Label end = new Label(); mv.visitJumpInsn(Opcodes.IFNONNULL, end); generateThrow(IAE_CLASS_NAME, getThrowMessage(notNullParam), end); } } mv.visitCode(); }
From source file:com.mebigfatguy.junitflood.jvm.OperandStack.java
License:Apache License
public void performJumpInsn(int opcode, Label label) { switch (opcode) { case Opcodes.IFEQ: case Opcodes.IFNE: case Opcodes.IFLT: case Opcodes.IFGE: case Opcodes.IFGT: case Opcodes.IFLE: case Opcodes.IFNULL: case Opcodes.IFNONNULL: pop();//from www . j a v a2 s .c om break; case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPNE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPGE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPLE: case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: pop2(); break; case Opcodes.GOTO: //nop break; case Opcodes.JSR: //nop -- a fudge break; } }
From source file:com.nginious.http.serialize.JsonSerializerCreator.java
License:Apache License
/** * Creates bytecode which implements the {@link JsonSerializer#serializeProperties(org.json.JSONObject, Object)} * method for the serializer class being created. * //from ww w .j a v a2 s.c o m * @param writer class byte code writer * @param intBeanClazzName binary name of serializer class being generated * @return a method visitor for writing bytecode inside the generated method */ private MethodVisitor createSerializeMethod(ClassWriter writer, String intBeanClazzName) { String[] exceptions = { "com/nginious/serialize/SerializerException" }; MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PUBLIC, "serializeProperties", "(Lorg/json/JSONObject;Ljava/lang/Object;)V", null, exceptions); visitor.visitCode(); Label label = new Label(); visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitJumpInsn(Opcodes.IFNONNULL, label); visitor.visitInsn(Opcodes.RETURN); visitor.visitLabel(label); visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitTypeInsn(Opcodes.CHECKCAST, intBeanClazzName); visitor.visitIntInsn(Opcodes.ASTORE, 3); return visitor; }
From source file:com.nginious.http.serialize.XmlSerializerCreator.java
License:Apache License
/** * Creates bytecode which implements the {@link XmlSerializer#serializeProperties(javax.xml.transform.sax.TransformerHandler, Object)} * method for the serializer class being created. * /*from ww w. j av a 2 s.c o m*/ * @param writer class byte code writer * @param intBeanClazzName binary name of serializer class being generated * @return a method visitor for writing bytecode inside the generated method */ private MethodVisitor createSerializeMethod(ClassWriter writer, String intBeanClazzName) { String[] exceptions = { "com/nginious/serialize/SerializerException" }; MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PUBLIC, "serializeProperties", "(Ljavax/xml/transform/sax/TransformerHandler;Ljava/lang/Object;)V", null, exceptions); visitor.visitCode(); Label label = new Label(); visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitJumpInsn(Opcodes.IFNONNULL, label); visitor.visitInsn(Opcodes.RETURN); visitor.visitLabel(label); visitor.visitVarInsn(Opcodes.ALOAD, 0); visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitTypeInsn(Opcodes.CHECKCAST, intBeanClazzName); visitor.visitIntInsn(Opcodes.ASTORE, 3); return visitor; }
From source file:com.retroduction.carma.transformer.asm.ror.IFNONNULL_2_IFNULL_Transition.java
License:Open Source License
public IFNONNULL_2_IFNULL_Transition() { super(); this.sourceInstruction = Opcodes.IFNONNULL; this.targetInstruction = Opcodes.IFNULL; }
From source file:com.retroduction.carma.transformer.asm.ror.IFNULL_2_IFNONNULL_Transition.java
License:Open Source License
public IFNULL_2_IFNONNULL_Transition() { super(); this.sourceInstruction = Opcodes.IFNULL; this.targetInstruction = Opcodes.IFNONNULL; }
From source file:com.tencent.tinker.build.auxiliaryclass.AuxiliaryClassInjectAdapter.java
License:Open Source License
@Override public void visitEnd() { // If method <clinit> and <init> are not found, we should generate a <clinit>. if (!this.isClInitExists && !this.isInitExists) { MethodVisitor mv = super.visitMethod(Opcodes.ACC_STATIC, "<clinit>", "()V", null, null); mv.visitCode();//from w w w . j a v a 2s. c o m mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/System", "lineSeparator", "()Ljava/lang/String;", false); Label lblSkipInvalidInsn = new Label(); mv.visitJumpInsn(Opcodes.IFNONNULL, lblSkipInvalidInsn); mv.visitLdcInsn(Type.getType(this.auxiliaryClassDesc)); mv.visitVarInsn(Opcodes.ASTORE, 0); mv.visitLabel(lblSkipInvalidInsn); mv.visitInsn(Opcodes.RETURN); mv.visitMaxs(1, 1); mv.visitEnd(); } super.visitEnd(); }