List of usage examples for org.objectweb.asm Opcodes INVOKEINTERFACE
int INVOKEINTERFACE
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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 }); {// w ww. 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.lodgon.parboiled.transform.AsmUtils.java
License:Open Source License
public static boolean isCallOnContextAware(AbstractInsnNode insn) { checkArgNotNull(insn, "insn"); if (insn.getOpcode() != Opcodes.INVOKEVIRTUAL && insn.getOpcode() != Opcodes.INVOKEINTERFACE) return false; MethodInsnNode mi = (MethodInsnNode) insn; return isAssignableTo(mi.owner, ContextAware.class); }
From source file:com.lucidtechnics.blackboard.TargetConstructor.java
License:Apache License
private static final byte[] createWrapperObjectByteArray(String _targetName, Class _class) { ClassWriter classWriter = new ClassWriter(true); FieldVisitor fieldVisitor;/*from w w w .ja v a 2s. com*/ MethodVisitor methodVisitor; String superClassName = _class.getCanonicalName().replaceAll("\\.", "/"); String[] superClassNameParts = superClassName.split("/"); String simpleClassName = superClassNameParts[superClassNameParts.length - 1]; String blackboardSubClassName = "com/lucidtechnics/blackboard/wrapper/" + superClassName + "Wrapper"; classWriter.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, blackboardSubClassName, null, superClassName, new String[] { "com/lucidtechnics/blackboard/Target" }); classWriter.visitSource(simpleClassName, null); { fieldVisitor = classWriter.visitField(Opcodes.ACC_PRIVATE, "blackboardObject", "Ljava/lang/Object;", null, null); fieldVisitor.visitEnd(); } { fieldVisitor = classWriter.visitField(Opcodes.ACC_PRIVATE, "intercepter", "Lcom/lucidtechnics/blackboard/Intercepter;", null, null); fieldVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "getBlackboardObject", "()Ljava/lang/Object;", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitFieldInsn(Opcodes.GETFIELD, blackboardSubClassName, "blackboardObject", "Ljava/lang/Object;"); methodVisitor.visitInsn(Opcodes.ARETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "getIntercepter", "()Lcom/lucidtechnics/blackboard/Intercepter;", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitFieldInsn(Opcodes.GETFIELD, blackboardSubClassName, "intercepter", "Lcom/lucidtechnics/blackboard/Intercepter;"); methodVisitor.visitInsn(Opcodes.ARETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "setBlackboardObject", "(Ljava/lang/Object;)V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, blackboardSubClassName, "blackboardObject", "Ljava/lang/Object;"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "setIntercepter", "(Lcom/lucidtechnics/blackboard/Intercepter;)V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, blackboardSubClassName, "intercepter", "Lcom/lucidtechnics/blackboard/Intercepter;"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, superClassName, "<init>", "()V"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } List mutatorMethodList = findMutatorMethods(_class); Iterator mutatorMethods = mutatorMethodList.iterator(); while (mutatorMethods.hasNext() == true) { Method method = (Method) mutatorMethods.next(); MethodInfo methodInfo = (MethodInfo) MethodInfoTransformer.getInstance().transform(method); Signature signature = methodInfo.getSignature(); String methodName = signature.getName(); String parameterType = signature.getArgumentTypes()[0].getDescriptor(); String returnType = signature.getReturnType().getDescriptor(); String[] exceptionTypeArray = createExceptionTypeArray(methodInfo.getExceptionTypes()); { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(" + parameterType + ")" + returnType, null, exceptionTypeArray); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getIntercepter", "()Lcom/lucidtechnics/blackboard/Intercepter;"); Label l1 = new Label(); methodVisitor.visitJumpInsn(Opcodes.IFNULL, l1); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getIntercepter", "()Lcom/lucidtechnics/blackboard/Intercepter;"); methodVisitor.visitLdcInsn(superClassName); methodVisitor.visitLdcInsn(blackboardSubClassName); methodVisitor.visitLdcInsn(methodName); methodVisitor.visitLdcInsn(_targetName); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); int tempOpCode = getLoadOpcode(parameterType); methodVisitor.visitVarInsn(tempOpCode, 1); if (tempOpCode == Opcodes.ALOAD) { //this is an object. methodVisitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/lucidtechnics/blackboard/Intercepter", "monitor", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V"); } else { //it is a primitive. methodVisitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/lucidtechnics/blackboard/Intercepter", "monitor", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;" + parameterType + ")V"); } methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getBlackboardObject", "()Ljava/lang/Object;"); methodVisitor.visitTypeInsn(Opcodes.CHECKCAST, superClassName); methodVisitor.visitVarInsn(getLoadOpcode(parameterType), 1); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, superClassName, methodName, "(" + parameterType + ")" + returnType); methodVisitor.visitLabel(l1); methodVisitor.visitInsn(getReturnOpcode(returnType)); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } } List otherPublicMethodList = findOtherPublicMethods(_class); Iterator otherPublicMethods = otherPublicMethodList.iterator(); while (otherPublicMethods.hasNext() == true) { Method method = (Method) otherPublicMethods.next(); MethodInfo methodInfo = (MethodInfo) MethodInfoTransformer.getInstance().transform(method); Signature signature = methodInfo.getSignature(); String methodName = signature.getName(); String parameterTypes = constructParameterTypes(signature.getArgumentTypes()); String returnType = signature.getReturnType().getDescriptor(); String[] exceptionTypeArray = createExceptionTypeArray(methodInfo.getExceptionTypes()); if (logger.isDebugEnabled() == true) { logger.debug("Processing method: " + methodName); } if (logger.isDebugEnabled() == true) { logger.debug("Parameter types are: " + parameterTypes); } if ("toString".equalsIgnoreCase(methodName) == false) { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(" + parameterTypes + ")" + returnType, null, exceptionTypeArray); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getBlackboardObject", "()Ljava/lang/Object;"); methodVisitor.visitTypeInsn(Opcodes.CHECKCAST, superClassName); methodVisitor.visitVarInsn(Opcodes.ASTORE, signature.getArgumentTypes().length + 1); methodVisitor.visitVarInsn(Opcodes.ALOAD, signature.getArgumentTypes().length + 1); loadParameters(methodVisitor, signature.getArgumentTypes()); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, superClassName, methodName, "(" + parameterTypes + ")" + returnType); methodVisitor.visitInsn(getReturnOpcode(returnType)); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } } List protectedMethodList = findProtectedMethods(_class); Iterator protectedMethods = protectedMethodList.iterator(); while (protectedMethods.hasNext() == true) { Method method = (Method) protectedMethods.next(); MethodInfo methodInfo = (MethodInfo) MethodInfoTransformer.getInstance().transform(method); Signature signature = methodInfo.getSignature(); String methodName = signature.getName(); String parameterTypes = constructParameterTypes(signature.getArgumentTypes()); String returnType = signature.getReturnType().getDescriptor(); String[] exceptionTypeArray = createExceptionTypeArray(methodInfo.getExceptionTypes()); if (logger.isDebugEnabled() == true) { logger.debug("Processing method: " + methodName + " and parameter types are: " + parameterTypes); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PROTECTED, methodName, "(" + parameterTypes + ")" + returnType, null, exceptionTypeArray); methodVisitor.visitCode(); methodVisitor.visitTypeInsn(Opcodes.NEW, "com/lucidtechnics/blackboard/BlackboardException"); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitLdcInsn("Unable to access protected methods on Blackboard object"); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/lucidtechnics/blackboard/BlackboardException", "<init>", "(Ljava/lang/String;)V"); methodVisitor.visitInsn(Opcodes.ATHROW); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getBlackboardObject", "()Ljava/lang/Object;"); methodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, "com/lucidtechnics/blackboard/util/Utility", "toString", "(Ljava/lang/Object;)Ljava/lang/String;"); methodVisitor.visitInsn(getReturnOpcode("Ljava/lang/String;")); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } classWriter.visitEnd(); if (logger.isDebugEnabled() == true) { logger.debug("Finished creating new class: " + blackboardSubClassName + " for target class: " + superClassName + "."); } return classWriter.toByteArray(); }
From source file:com.mebigfatguy.exagent.StackTraceMethodVisitor.java
License:Apache License
private void injectCallStackPopulation() { // ExAgent.METHOD_INFO.get(); super.visitFieldInsn(Opcodes.GETSTATIC, EXASUPPORT_CLASS_NAME, "METHOD_INFO", signaturizeClass(THREADLOCAL_CLASS_NAME)); super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, THREADLOCAL_CLASS_NAME, "get", "()Ljava/lang/Object;", false); super.visitTypeInsn(Opcodes.CHECKCAST, LIST_CLASS_NAME); super.visitInsn(Opcodes.DUP); super.visitMethodInsn(Opcodes.INVOKEINTERFACE, LIST_CLASS_NAME, "size", "()I", true); super.visitVarInsn(Opcodes.ISTORE, depthLocalSlot); //new MethodInfo(cls, name, parmMap); super.visitTypeInsn(Opcodes.NEW, METHODINFO_CLASS_NAME); super.visitInsn(Opcodes.DUP); super.visitLdcInsn(clsName.replace('.', '/')); super.visitLdcInsn(methodName); if (parms.isEmpty()) { super.visitMethodInsn(Opcodes.INVOKESTATIC, COLLECTIONS_CLASS_NAME, "emptyList", "()Ljava/util/List;", false);/*from w ww . j ava2s .co m*/ } else { super.visitTypeInsn(Opcodes.NEW, ARRAYLIST_CLASS_NAME); super.visitInsn(Opcodes.DUP); super.visitIntInsn(Opcodes.BIPUSH, parms.size()); super.visitMethodInsn(Opcodes.INVOKESPECIAL, ARRAYLIST_CLASS_NAME, CTOR_NAME, "(I)V", false); for (Parm parm : parms) { super.visitInsn(Opcodes.DUP); switch (parm.signature) { case "C": super.visitVarInsn(Opcodes.ILOAD, parm.register); super.visitMethodInsn(Opcodes.INVOKESTATIC, STRING_CLASS_NAME, "valueOf", "(C)Ljava/lang/String;", false); break; case "Z": super.visitVarInsn(Opcodes.ILOAD, parm.register); super.visitMethodInsn(Opcodes.INVOKESTATIC, STRING_CLASS_NAME, "valueOf", "(Z)Ljava/lang/String;", false); break; case "B": case "S": case "I": super.visitVarInsn(Opcodes.ILOAD, parm.register); super.visitMethodInsn(Opcodes.INVOKESTATIC, STRING_CLASS_NAME, "valueOf", "(I)Ljava/lang/String;", false); break; case "J": super.visitVarInsn(Opcodes.LLOAD, parm.register); super.visitMethodInsn(Opcodes.INVOKESTATIC, STRING_CLASS_NAME, "valueOf", "(J)Ljava/lang/String;", false); break; case "F": super.visitVarInsn(Opcodes.FLOAD, parm.register); super.visitMethodInsn(Opcodes.INVOKESTATIC, STRING_CLASS_NAME, "valueOf", "(F)Ljava/lang/String;", false); break; case "D": super.visitVarInsn(Opcodes.DLOAD, parm.register); super.visitMethodInsn(Opcodes.INVOKESTATIC, STRING_CLASS_NAME, "valueOf", "(D)Ljava/lang/String;", false); break; default: super.visitVarInsn(Opcodes.ALOAD, parm.register); if (parm.signature.startsWith("[")) { char arrayElemTypeChar = parm.signature.charAt(1); if ((arrayElemTypeChar == 'L') || (arrayElemTypeChar == '[')) { super.visitMethodInsn(Opcodes.INVOKESTATIC, ARRAYS_CLASS_NAME, "toString", "([Ljava/lang/Object;)Ljava/lang/String;", false); } else { super.visitMethodInsn(Opcodes.INVOKESTATIC, ARRAYS_CLASS_NAME, "toString", "([" + arrayElemTypeChar + ")Ljava/lang/String;", false); } } else { super.visitMethodInsn(Opcodes.INVOKESTATIC, STRING_CLASS_NAME, "valueOf", "(Ljava/lang/Object;)Ljava/lang/String;", false); } break; } if (maxParmSize > 0) { super.visitInsn(Opcodes.DUP); super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, STRING_CLASS_NAME, "length", "()I", false); if (maxParmSize <= 127) { super.visitIntInsn(Opcodes.BIPUSH, maxParmSize); } else { super.visitLdcInsn(maxParmSize); } Label falseLabel = new Label(); super.visitJumpInsn(Opcodes.IF_ICMPLE, falseLabel); super.visitIntInsn(Opcodes.BIPUSH, 0); super.visitLdcInsn(maxParmSize); super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, STRING_CLASS_NAME, "substring", "(II)Ljava/lang/String;", false); super.visitLabel(falseLabel); } super.visitMethodInsn(Opcodes.INVOKEINTERFACE, LIST_CLASS_NAME, "add", "(Ljava/lang/Object;)Z", true); super.visitInsn(Opcodes.POP); } } super.visitMethodInsn(Opcodes.INVOKESPECIAL, METHODINFO_CLASS_NAME, CTOR_NAME, "(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;)V", false); //add(methodInfo); super.visitMethodInsn(Opcodes.INVOKEINTERFACE, LIST_CLASS_NAME, "add", "(Ljava/lang/Object;)Z", true); super.visitInsn(Opcodes.POP); }
From source file:com.mebigfatguy.junitflood.jvm.OperandStack.java
License:Apache License
public void performMethodInsn(int opcode, String owner, String name, String desc) { switch (opcode) { case Opcodes.INVOKEVIRTUAL: case Opcodes.INVOKESPECIAL: case Opcodes.INVOKESTATIC: case Opcodes.INVOKEINTERFACE: String[] parmSigs = SignatureUtils.splitMethodParameterSignatures(desc); int numParms = parmSigs.length; while ((numParms--) > 0) { pop();/* w w w . j a va 2 s. c o m*/ } if (opcode != Opcodes.INVOKESTATIC) { pop(); } String returnSig = SignatureUtils.getReturnSignature(desc); if (!"V".equals(returnSig)) { Operand op = new Operand(); op.setSignature(returnSig); push(op); } break; case Opcodes.INVOKEDYNAMIC: //no idea break; } }
From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodNodeAdapter.java
License:Apache License
public void addBeforeInterceptor(final int interceptorId, final InterceptorDefinition interceptorDefinition, final int apiId) { initInterceptorLocalVariables(interceptorId, interceptorDefinition, apiId); final InsnList instructions = new InsnList(); this.methodVariables.loadInterceptorLocalVariables(instructions, interceptorDefinition, false); final String description = Type.getMethodDescriptor(interceptorDefinition.getBeforeMethod()); instructions.add(new MethodInsnNode(Opcodes.INVOKEINTERFACE, Type.getInternalName(interceptorDefinition.getInterceptorBaseClass()), "before", description, true));/*from www.ja v a2 s . c o m*/ this.methodNode.instructions.insertBefore(this.methodVariables.getEnterInsnNode(), instructions); }
From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodNodeAdapter.java
License:Apache License
private void invokeAfterInterceptor(final InsnList instructions, final InterceptorDefinition interceptorDefinition, final boolean throwable) { this.methodVariables.loadInterceptorLocalVariables(instructions, interceptorDefinition, true); final String description = Type.getMethodDescriptor(interceptorDefinition.getAfterMethod()); instructions.add(new MethodInsnNode(Opcodes.INVOKEINTERFACE, Type.getInternalName(interceptorDefinition.getInterceptorBaseClass()), "after", description, true)); }
From source file:com.nginious.http.xsp.DocumentPart.java
License:Apache License
/** * Creates bytecode for this document tag part using the specified class writer and method visitor. * /* w ww . j a v a 2s . c o m*/ * @param intClassName the binary class name of the class being created * @param writer the class writer * @param visitor the method visitor * @throws XspException if unable to create bytecode */ void compile(String intClassName, ClassWriter writer, MethodVisitor visitor) throws XspException { // 0 = this, 1 = HttpRequest, 2 = HttpResponse, 3 = StringBuffer // StringBuffer buffer = new StringBuffer(); visitor.visitTypeInsn(Opcodes.NEW, "java/lang/StringBuffer"); visitor.visitInsn(Opcodes.DUP); visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/StringBuffer", "<init>", "()V"); visitor.visitVarInsn(Opcodes.ASTORE, 3); for (XspPart part : contentParts) { part.compile(intClassName, writer, visitor); } // response.setContentLength(buffer.length()); visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitVarInsn(Opcodes.ALOAD, 3); visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuffer", "length", "()I"); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpResponse", "setContentLength", "(I)V"); // response.addHeader(contentType); String contentType = getMetaContent("Content-Type"); if (contentType == null) { contentType = "application/unknown"; } visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitLdcInsn("Content-Type"); visitor.visitLdcInsn(contentType); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpResponse", "addHeader", "(Ljava/lang/String;Ljava/lang/String;)V"); // PrintWriter writer = response.getWriter(); // writer.print(buffer.toString()); visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpResponse", "getWriter", "()Ljava/io/PrintWriter;"); visitor.visitVarInsn(Opcodes.ALOAD, 3); visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuffer", "toString", "()Ljava/lang/String;"); visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintWriter", "print", "(Ljava/lang/String;)V"); }
From source file:com.nginious.http.xsp.ForEachTagPart.java
License:Apache License
/** * Creates bytecode in a separate method for evaluating this for each tag part. * //w w w . j a v a 2 s . co m * @param intClassName the binary class name of the class being created * @param writer the class writer * @throws XspException if unable to create bytecode */ void compileMethod(String intClassName, ClassWriter writer) throws XspException { String[] exceptions = { "com/nginious/http/xsp/XspException" }; MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PRIVATE, this.methodName, "(Lcom/nginious/http/HttpRequest;Lcom/nginious/http/HttpResponse;Ljava/lang/StringBuffer;)V", null, exceptions); visitor.visitCode(); Label tryLabel = new Label(); Label startCatchLabel = new Label(); // Start try block visitor.visitTryCatchBlock(tryLabel, startCatchLabel, startCatchLabel, "java/lang/Exception"); visitor.visitLabel(tryLabel); try { String expression = setValue.getExpressionContent(); ExpressionParser parser = new ExpressionParser(); TreeExpression expr = parser.parse(expression); if (expr.getType() != Type.ANY) { throw new XspException("Expression in attribute set in tag " + getName() + " is not an attribute or bean property " + " at line " + getLocationDescriptor()); } expr.compile(visitor, Type.ANY); visitor.visitTypeInsn(Opcodes.CHECKCAST, "java/util/Collection"); visitor.visitVarInsn(Opcodes.ASTORE, 4); } catch (ExpressionException e) { throw new XspException("Invalid expression in attribute set in tag " + getName() + " at line " + getLocationDescriptor(), e); } Label labelOut = new Label(); visitor.visitVarInsn(Opcodes.ALOAD, 4); visitor.visitJumpInsn(Opcodes.IFNULL, labelOut); // Start if (this.start != null) { start.compile(visitor, Type.INT); } else { visitor.visitLdcInsn((int) 0); } visitor.visitVarInsn(Opcodes.ISTORE, 5); // End if (this.end != null) { end.compile(visitor, Type.INT); } else { visitor.visitVarInsn(Opcodes.ALOAD, 4); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "size", "()I"); } visitor.visitVarInsn(Opcodes.ISTORE, 6); // Step if (this.step != null) { step.compile(visitor, Type.INT); } else { visitor.visitLdcInsn((int) 1); } visitor.visitVarInsn(Opcodes.ISTORE, 7); // Current pos visitor.visitLdcInsn(0); visitor.visitVarInsn(Opcodes.ISTORE, 8); visitor.visitVarInsn(Opcodes.ALOAD, 4); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "iterator", "()Ljava/util/Iterator;"); visitor.visitVarInsn(Opcodes.ASTORE, 9); Label labelStart = new Label(); // Start of loop visitor.visitLabel(labelStart); // iterator.hasNext(); visitor.visitVarInsn(Opcodes.ALOAD, 9); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "hasNext", "()Z"); visitor.visitJumpInsn(Opcodes.IFEQ, labelOut); // iterator.next(); visitor.visitVarInsn(Opcodes.ALOAD, 9); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;"); visitor.visitVarInsn(Opcodes.ASTORE, 10); // pos >= start && pos <= end && (pos - start) % step == 0 Label labelIncr = new Label(); visitor.visitVarInsn(Opcodes.ILOAD, 8); visitor.visitVarInsn(Opcodes.ILOAD, 5); visitor.visitJumpInsn(Opcodes.IF_ICMPLT, labelIncr); visitor.visitVarInsn(Opcodes.ILOAD, 8); visitor.visitVarInsn(Opcodes.ILOAD, 6); visitor.visitJumpInsn(Opcodes.IF_ICMPGT, labelIncr); visitor.visitVarInsn(Opcodes.ILOAD, 8); visitor.visitVarInsn(Opcodes.ILOAD, 5); visitor.visitInsn(Opcodes.ISUB); visitor.visitVarInsn(Opcodes.ILOAD, 7); visitor.visitInsn(Opcodes.IREM); visitor.visitJumpInsn(Opcodes.IFNE, labelIncr); visitor.visitVarInsn(Opcodes.ALOAD, 1); varName.compile(visitor, Type.STRING); visitor.visitVarInsn(Opcodes.ALOAD, 10); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpRequest", "setAttribute", "(Ljava/lang/String;Ljava/lang/Object;)V"); // Call sub parts for (XspPart part : this.contentParts) { part.compile(intClassName, writer, visitor); } // pos++ visitor.visitLabel(labelIncr); visitor.visitIincInsn(8, 1); visitor.visitJumpInsn(Opcodes.GOTO, labelStart); visitor.visitLabel(labelOut); visitor.visitInsn(Opcodes.RETURN); visitor.visitLabel(startCatchLabel); visitor.visitVarInsn(Opcodes.ASTORE, 3); visitor.visitTypeInsn(Opcodes.NEW, "com/nginious/http/xsp/XspException"); visitor.visitInsn(Opcodes.DUP); visitor.visitLdcInsn("Attribute set contains an invalid collection for tag " + getName() + " at " + getLocationDescriptor()); visitor.visitVarInsn(Opcodes.ALOAD, 3); visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nginious/http/xsp/XspException", "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V"); visitor.visitInsn(Opcodes.ATHROW); visitor.visitMaxs(11, 11); visitor.visitEnd(); }
From source file:com.nginious.http.xsp.FormatDateTagPart.java
License:Apache License
/** * Creates bytecode in a separate method for evaluating this format date tag part. * /*from www. j a v a 2 s. c om*/ * @param intClassName the binary class name of the class being created * @param writer the class writer * @throws XspException if unable to create bytecode */ void compileMethod(String intClassName, ClassWriter writer) throws XspException { String[] exceptions = { "com/nginious/http/xsp/XspException" }; MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PRIVATE, this.methodName, "(Lcom/nginious/http/HttpRequest;Lcom/nginious/http/HttpResponse;Ljava/lang/StringBuffer;)V", null, exceptions); visitor.visitCode(); Label tryLabel = new Label(); Label startCatchLabel = new Label(); // Start try block visitor.visitTryCatchBlock(tryLabel, startCatchLabel, startCatchLabel, "java/lang/Exception"); visitor.visitLabel(tryLabel); visitor.visitTypeInsn(Opcodes.NEW, "java/text/SimpleDateFormat"); visitor.visitInsn(Opcodes.DUP); pattern.compile(visitor, Type.STRING); visitor.visitVarInsn(Opcodes.ALOAD, 2); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpResponse", "getLocale", "()Ljava/util/Locale;"); visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/text/SimpleDateFormat", "<init>", "(Ljava/lang/String;Ljava/util/Locale;)V"); visitor.visitVarInsn(Opcodes.ASTORE, 4); if (this.timeZone != null) { visitor.visitVarInsn(Opcodes.ALOAD, 4); String timeZoneDesc = timeZone.getStringContent(); visitor.visitLdcInsn(timeZoneDesc); visitor.visitMethodInsn(Opcodes.INVOKESTATIC, "java/util/TimeZone", "getTimeZone", "(Ljava/lang/String;)Ljava/util/TimeZone;"); visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/text/SimpleDateFormat", "setTimeZone", "(Ljava/util/TimeZone;)V"); } try { String expression = value.getExpressionContent(); ExpressionParser parser = new ExpressionParser(); TreeExpression expr = parser.parse(expression); if (expr.getType() != Type.ANY) { throw new XspException("Expression in attribute value in tag " + getName() + " is not an attribute or bean property " + " at line " + getLocationDescriptor()); } expr.compile(visitor, Type.ANY); visitor.visitTypeInsn(Opcodes.CHECKCAST, "java/util/Date"); visitor.visitVarInsn(Opcodes.ASTORE, 5); } catch (ExpressionException e) { throw new XspException("Invalid expression in attribute value in tag " + getName() + " at line " + getLocationDescriptor(), e); } Label nullLabel = new Label(); visitor.visitVarInsn(Opcodes.ALOAD, 5); visitor.visitJumpInsn(Opcodes.IFNULL, nullLabel); visitor.visitVarInsn(Opcodes.ALOAD, 4); visitor.visitVarInsn(Opcodes.ALOAD, 5); visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/text/SimpleDateFormat", "format", "(Ljava/util/Date;)Ljava/lang/String;"); visitor.visitVarInsn(Opcodes.ASTORE, 5); if (this.var != null) { visitor.visitVarInsn(Opcodes.ALOAD, 1); var.compile(visitor, Type.STRING); visitor.visitVarInsn(Opcodes.ALOAD, 5); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpRequest", "setAttribute", "(Ljava/lang/String;Ljava/lang/Object;)V"); } else { visitor.visitVarInsn(Opcodes.ALOAD, 3); visitor.visitVarInsn(Opcodes.ALOAD, 5); visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;"); visitor.visitInsn(Opcodes.POP); } visitor.visitLabel(nullLabel); visitor.visitInsn(Opcodes.RETURN); visitor.visitLabel(startCatchLabel); visitor.visitVarInsn(Opcodes.ASTORE, 3); visitor.visitTypeInsn(Opcodes.NEW, "com/nginious/http/xsp/XspException"); visitor.visitInsn(Opcodes.DUP); visitor.visitLdcInsn( "Attribute value contains an invalid date for tag " + getName() + " at " + getLocationDescriptor()); visitor.visitVarInsn(Opcodes.ALOAD, 3); visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nginious/http/xsp/XspException", "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V"); visitor.visitInsn(Opcodes.ATHROW); visitor.visitMaxs(6, 6); visitor.visitEnd(); super.compileMethod(intClassName, writer); }