List of usage examples for org.objectweb.asm MethodVisitor visitLdcInsn
public void visitLdcInsn(final Object value)
From source file:com.googlecode.d2j.converter.IR2JConverter.java
License:Apache License
private static void reBuildE2Expression(E2Expr e2, MethodVisitor asm) { String type = e2.op2.valueType; accept(e2.op1, asm);//from w w w .ja v a 2s .c o m if ((e2.vt == VT.ADD || e2.vt == VT.SUB) && e2.op2.vt == VT.CONSTANT) { // [x + (-1)] to [x - 1] // [x - (-1)] to [x + 1] Constant constant = (Constant) e2.op2; String t = constant.valueType; switch (t.charAt(0)) { case 'S': case 'B': case 'I': { int s = (Integer) constant.value; if (s < 0) { asm.visitLdcInsn(-s); asm.visitInsn(getOpcode(type, e2.vt == VT.ADD ? ISUB : IADD)); return; } } break; case 'F': { float s = (Float) constant.value; if (s < 0) { asm.visitLdcInsn(-s); asm.visitInsn(getOpcode(type, e2.vt == VT.ADD ? ISUB : IADD)); return; } } break; case 'J': { long s = (Long) constant.value; if (s < 0) { asm.visitLdcInsn(-s); asm.visitInsn(getOpcode(type, e2.vt == VT.ADD ? ISUB : IADD)); return; } } break; case 'D': { double s = (Double) constant.value; if (s < 0) { asm.visitLdcInsn(-s); asm.visitInsn(getOpcode(type, e2.vt == VT.ADD ? ISUB : IADD)); return; } } break; } } accept(e2.op2, asm); String tp1 = e2.op1.valueType; switch (e2.vt) { case ARRAY: String tp2 = e2.valueType; if (tp1.charAt(0) == '[') { asm.visitInsn(getOpcode(tp1.substring(1), IALOAD)); } else { asm.visitInsn(getOpcode(tp2, IALOAD)); } break; case ADD: asm.visitInsn(getOpcode(type, IADD)); break; case SUB: asm.visitInsn(getOpcode(type, ISUB)); break; case DIV: asm.visitInsn(getOpcode(type, IDIV)); break; case MUL: asm.visitInsn(getOpcode(type, IMUL)); break; case REM: asm.visitInsn(getOpcode(type, IREM)); break; case AND: asm.visitInsn(getOpcode(type, IAND)); break; case OR: asm.visitInsn(getOpcode(type, IOR)); break; case XOR: asm.visitInsn(getOpcode(type, IXOR)); break; case SHL: asm.visitInsn(getOpcode(tp1, ISHL)); break; case SHR: asm.visitInsn(getOpcode(tp1, ISHR)); break; case USHR: asm.visitInsn(getOpcode(tp1, IUSHR)); break; case LCMP: asm.visitInsn(LCMP); break; case FCMPG: asm.visitInsn(FCMPG); break; case DCMPG: asm.visitInsn(DCMPG); break; case FCMPL: asm.visitInsn(FCMPL); break; case DCMPL: asm.visitInsn(DCMPL); break; } }
From source file:com.googlecode.d2j.dex.BaseDexExceptionHandler.java
License:Apache License
@Override public void handleMethodTranslateException(Method method, DexMethodNode methodNode, MethodVisitor mv, Exception e) {/*from ww w.j ava 2 s . com*/ // replace the generated code with // 'return new RuntimeException("D2jFail translate: xxxxxxxxxxxxx");' StringWriter s = new StringWriter(); s.append("d2j fail translate: "); e.printStackTrace(new PrintWriter(s)); String msg = s.toString(); mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException"); mv.visitInsn(Opcodes.DUP); mv.visitLdcInsn(msg); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Runtime", "<init>", "(Ljava/lang/String;)V"); mv.visitInsn(Opcodes.ATHROW); }
From source file:com.googlecode.ddom.weaver.asm.MethodVisitorTee.java
License:Apache License
public void visitLdcInsn(Object cst) { for (MethodVisitor visitor : visitors) { visitor.visitLdcInsn(cst); } }
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 . j a va 2s.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.ibm.layout.GenArray1D.java
License:Open Source License
/** * Generate bytecodes for runtime class//from ww w .ja v a 2s . c o m * * @return byte array containing bytecodes for runtime class * @throws Exception */ public byte[] genBytecode() throws Exception { ClassWriter cw = new ClassWriter(0); MethodVisitor mv; FieldVisitor fv; final boolean itf = false; /* If user-defined array class is supplied, use it as superclass, and use its name instead of generating it */ cw.visit(V1_8, ACC_FINAL + ACC_SUPER, arrayImplClassName, arrayInterfaceClassSig, "java/lang/Object", new String[] { arrayInterfaceClassName }); { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "elementSize", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PRIVATE + ACC_FINAL, "arraySize", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "length", "J", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "<init>", "(JJ)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "length", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 3); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "elementSize", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitInsn(LMUL); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(RETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "sizeof", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, "java/lang/StringBuffer"); mv.visitInsn(DUP); mv.visitLdcInsn("["); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuffer", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ASTORE, 1); mv.visitInsn(LCONST_0); mv.visitVarInsn(LSTORE, 2); Label l0 = new Label(); mv.visitJumpInsn(GOTO, l0); Label l1 = new Label(); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_APPEND, 2, new Object[] { "java/lang/StringBuffer", Opcodes.LONG }, 0, null); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(NEW, "java/lang/StringBuilder"); mv.visitInsn(DUP); mv.visitLdcInsn(" "); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", false); mv.visitMethodInsn(INVOKEINTERFACE, elementInterfaceClassName, "toString", "()Ljava/lang/String;", true); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(LLOAD, 2); mv.visitInsn(LCONST_1); mv.visitInsn(LADD); mv.visitVarInsn(LSTORE, 2); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(LLOAD, 2); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LCMP); mv.visitJumpInsn(IFLT, l1); mv.visitVarInsn(ALOAD, 1); mv.visitLdcInsn(" ]"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "toString", "()Ljava/lang/String;", false); mv.visitInsn(ARETURN); mv.visitMaxs(5, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "getComponentType", "()Ljava/lang/Class;", "()Ljava/lang/Class<*>;", null); mv.visitCode(); mv.visitLdcInsn(Type.getType("L" + elementInterfaceClassName + ";")); mv.visitInsn(ARETURN); mv.visitMaxs(1, 0); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "getLength", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)L" + elementInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, elementImplClassName); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, elementImplClassName, "<init>", "()V", itf); mv.visitVarInsn(ASTORE, 3); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "sizeof", "()J", itf); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 3); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ARETURN); mv.visitMaxs(7, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)Lcom/ibm/layout/Array1D;", "(JJ)Lcom/ibm/layout/Array1D<" + elementInterfaceClassName + ";>;", null); mv.visitCode(); mv.visitTypeInsn(NEW, arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "elementSize", "J"); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(JJ)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "elementSize", "J"); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JL" + elementInterfaceClassName + ";)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", itf); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitVarInsn(ALOAD, 3); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "copyFrom", "(L" + elementImplClassName + ";)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(3, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "at", "(J)Lcom/ibm/layout/Layout;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(3, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "put", "(JLcom/ibm/layout/Layout;)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 3); mv.visitTypeInsn(CHECKCAST, elementInterfaceClassName); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "put", "(JL" + elementInterfaceClassName + ";)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(4, 4); mv.visitEnd(); } ImplHelper.genLayoutTypeImpl(cw, mv, fv, arrayImplClassName, false); cw.visitEnd(); return cw.toByteArray(); }
From source file:com.ibm.layout.GenArray2D.java
License:Open Source License
/** * Generate bytecodes for runtime class/* w w w . j av a 2s. c om*/ * * @return byte array containing bytecodes for runtime class * @throws Exception */ public byte[] genBytecode() throws Exception { ClassWriter cw = new ClassWriter(0); MethodVisitor mv = null; FieldVisitor fv = null; final boolean itf = false; cw.visit(V1_8, ACC_FINAL + ACC_SUPER, arrayImplClassName, arrayInterfaceClassSig, "java/lang/Object", new String[] { arrayInterfaceClassName }); { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "dim1", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "dim2", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PRIVATE + ACC_FINAL, "elementSize", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PRIVATE + ACC_FINAL, "arraySize", "J", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "<init>", "(JJJ)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "dim1", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 3); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "dim2", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 5); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "elementSize", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 5); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LMUL); mv.visitVarInsn(LLOAD, 3); mv.visitInsn(LMUL); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(RETURN); mv.visitMaxs(5, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "at", "(JJ)L" + elementInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, elementImplClassName); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, elementImplClassName, "<init>", "()V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "dim2", "J"); mv.visitInsn(LMUL); mv.visitVarInsn(LLOAD, 3); mv.visitInsn(LADD); mv.visitVarInsn(ALOAD, 5); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "sizeof", "()J", itf); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JJL" + elementInterfaceClassName + ";)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(JJ)L" + elementInterfaceClassName + ";", itf); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitVarInsn(ALOAD, 5); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "copyFrom", "(L" + elementImplClassName + ";)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(5, 6); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "at", "(JJ)Lcom/ibm/layout/Layout;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(JJ)L" + elementInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "put", "(JJLcom/ibm/layout/Layout;)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitVarInsn(ALOAD, 5); mv.visitTypeInsn(CHECKCAST, elementInterfaceClassName); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "put", "(JJL" + elementInterfaceClassName + ";)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(6, 6); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "dim1", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "dim1", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "dim2", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "dim2", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "sizeof", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, "java/lang/StringBuffer"); mv.visitInsn(DUP); mv.visitLdcInsn("["); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuffer", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ASTORE, 1); mv.visitInsn(LCONST_0); mv.visitVarInsn(LSTORE, 2); Label l0 = new Label(); mv.visitJumpInsn(GOTO, l0); Label l1 = new Label(); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_APPEND, 2, new Object[] { "java/lang/StringBuffer", Opcodes.LONG }, 0, null); mv.visitInsn(LCONST_0); mv.visitVarInsn(LSTORE, 4); Label l2 = new Label(); mv.visitJumpInsn(GOTO, l2); Label l3 = new Label(); mv.visitLabel(l3); mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { Opcodes.LONG }, 0, null); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(NEW, "java/lang/StringBuilder"); mv.visitInsn(DUP); mv.visitLdcInsn(" "); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 2); mv.visitVarInsn(LLOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(JJ)Lcom/ibm/layout/Layout;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "toString", "()Ljava/lang/String;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(LLOAD, 4); mv.visitInsn(LCONST_1); mv.visitInsn(LADD); mv.visitVarInsn(LSTORE, 4); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(LLOAD, 4); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "dim2", "J"); mv.visitInsn(LCMP); mv.visitJumpInsn(IFLT, l3); mv.visitVarInsn(LLOAD, 2); mv.visitInsn(LCONST_1); mv.visitInsn(LADD); mv.visitVarInsn(LSTORE, 2); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null); mv.visitVarInsn(LLOAD, 2); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "dim1", "J"); mv.visitInsn(LCMP); mv.visitJumpInsn(IFLT, l1); mv.visitVarInsn(ALOAD, 1); mv.visitLdcInsn(" ]"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "toString", "()Ljava/lang/String;", false); mv.visitInsn(ARETURN); mv.visitMaxs(7, 6); mv.visitEnd(); } ImplHelper.genLayoutTypeImpl(cw, mv, fv, arrayImplClassName, false); cw.visitEnd(); return cw.toByteArray(); }
From source file:com.ibm.layout.GenLayout.java
License:Open Source License
/** * Generate bytecodes for runtime class/* ww w.j a va 2 s . c o m*/ * * @return byte array containing bytecodes for runtime class * @throws Exception */ public byte[] genBytecode() throws Exception { ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS); FieldVisitor fv = null; MethodVisitor mv = null; ImplHelper.FieldDesc[] fieldDesc = ImplHelper.getFieldDesc(clazz); boolean isVariableLengthLayout = false; final boolean itf = false; { mv = cw.visitMethod(ACC_PUBLIC, "sizeof", "()J", null, null); mv.visitCode(); mv.visitLdcInsn(new Long(getClassSize(fieldDesc))); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } cw.visit(V1_8, ACC_FINAL + ACC_SUPER, implClassName, null, "java/lang/Object", new String[] { interfaceClassName }); { mv = cw.visitMethod(0, "<init>", "()V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); mv.visitInsn(RETURN); mv.visitMaxs(1, 1); mv.visitEnd(); } // getters for (int i = 0; i < fieldDesc.length; i++) { if (!ImplHelper.isPointerType(fieldDesc[i].rawType)) { if (ImplHelper.isTypePrimitive(fieldDesc[i].sig)) { mv = cw.visitMethod(ACC_PUBLIC, fieldDesc[i].name, "()" + fieldDesc[i].sig, null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, implClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "get" + ImplHelper.fieldSig2MethodType(fieldDesc[i].sig), "(Ljava/lang/Object;J)" + fieldDesc[i].sig, itf); if (fieldDesc[i].sig == "D") { mv.visitInsn(DRETURN); } else if (fieldDesc[i].sig == "J") { mv.visitInsn(LRETURN); } else if (fieldDesc[i].sig == "F") { mv.visitInsn(FRETURN); } else { mv.visitInsn(IRETURN); } mv.visitMaxs(6, 1); mv.visitEnd(); } else if (fieldDesc[i].repeatCountMember != null) { { isVariableLengthLayout = true; ImplHelper.FieldDesc repeatCountField = ImplHelper.findField(fieldDesc[i].repeatCountMember, fieldDesc); mv = cw.visitMethod(ACC_PUBLIC, fieldDesc[i].name, "()" + fieldDesc[i].sig, "()" + fieldDesc[i].elementImpl, null); mv.visitCode(); if ("" != fieldDesc[i].elementImpl) { mv.visitTypeInsn(NEW, fieldDesc[i].elementImpl); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].elementImpl, "<init>", "()V", false); mv.visitVarInsn(ASTORE, 1); mv.visitTypeInsn(NEW, fieldDesc[i].impl); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, implClassName, fieldDesc[i].repeatCountMember, "()" + repeatCountField.sig, false); if (!repeatCountField.sig.equals("J")) { mv.visitInsn(I2L); } mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, fieldDesc[i].elementImpl, "sizeof", "()J", false); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].impl, "<init>", "(JJ)V", false); mv.visitVarInsn(ASTORE, 2); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", false); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 2); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEINTERFACE, "com/ibm/layout/VLArray", "bindLocation", "(Lcom/ibm/layout/Location;)V", true); mv.visitVarInsn(ALOAD, 2); mv.visitInsn(ARETURN); mv.visitMaxs(6, 4); mv.visitEnd(); } else { throw new RuntimeException("primitive VLAs are unsupported"); } { mv = cw.visitMethod(ACC_PUBLIC, "bindLocation", "(Lcom/ibm/layout/Location;" + repeatCountField.sig + ")V", null, new String[] { "java/lang/UnsupportedOperationException" }); mv.visitCode(); mv.visitVarInsn(ALOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, implClassName, "sizeof", "()J", false); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "checkDataFits", "(J)Z", false); Label l0 = new Label(); mv.visitJumpInsn(IFEQ, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitFieldInsn(PUTFIELD, implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); if (repeatCountField.sig.equals("J")) { mv.visitVarInsn(LLOAD, 2); } else { mv.visitVarInsn(ILOAD, 2); } mv.visitMethodInsn(INVOKEVIRTUAL, implClassName, fieldDesc[i].repeatCountMember, "(" + repeatCountField.sig + ")V", false); mv.visitInsn(RETURN); mv.visitMaxs(3, 3); mv.visitEnd(); } } } else if (fieldDesc[i].dims == null) { /* nested field */ mv = cw.visitMethod(ACC_PUBLIC, fieldDesc[i].name, "()" + fieldDesc[i].sig, null, null); mv.visitCode(); mv.visitTypeInsn(NEW, ImplHelper.getImplClassName(fieldDesc[i].rawType)); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, ImplHelper.getImplClassName(fieldDesc[i].rawType), "<init>", "()V", itf); mv.visitVarInsn(ASTORE, 1); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 1); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, ImplHelper.getImplClassName(fieldDesc[i].rawType), "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 1); mv.visitInsn(ARETURN); mv.visitMaxs(5, 3); mv.visitEnd(); } else if (fieldDesc[i].dims.length == 1) { mv = cw.visitMethod(ACC_PUBLIC, fieldDesc[i].name, "()" + fieldDesc[i].sig, "()" + fieldDesc[i].sigGeneric, null); mv.visitCode(); if ("" != fieldDesc[i].elementImpl) { mv.visitTypeInsn(NEW, fieldDesc[i].elementImpl); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].elementImpl, "<init>", "()V", itf); mv.visitVarInsn(ASTORE, 1); mv.visitTypeInsn(NEW, fieldDesc[i].impl); mv.visitInsn(DUP); mv.visitLdcInsn(fieldDesc[i].dims[0]); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, fieldDesc[i].elementImpl, "sizeof", "()J", itf); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].impl, "<init>", "(JJ)V", itf); mv.visitVarInsn(ASTORE, 2); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 2); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, fieldDesc[i].impl, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 2); mv.visitInsn(ARETURN); mv.visitMaxs(6, 4); mv.visitEnd(); } else { mv.visitTypeInsn(NEW, fieldDesc[i].impl); mv.visitInsn(DUP); mv.visitLdcInsn(fieldDesc[i].dims[0]); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].impl, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 1); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 1); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, fieldDesc[i].impl, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 1); mv.visitInsn(ARETURN); mv.visitMaxs(5, 3); mv.visitEnd(); } } else if (fieldDesc[i].dims.length == 2) { if ("" != fieldDesc[i].elementImpl) { mv = cw.visitMethod(ACC_PUBLIC, fieldDesc[i].name, "()" + fieldDesc[i].sig, "()" + fieldDesc[i].sigGeneric, null); mv.visitCode(); mv.visitTypeInsn(NEW, fieldDesc[i].elementImpl); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].elementImpl, "<init>", "()V", itf); mv.visitVarInsn(ASTORE, 1); mv.visitTypeInsn(NEW, fieldDesc[i].impl); mv.visitInsn(DUP); mv.visitLdcInsn(fieldDesc[i].dims[0]); mv.visitLdcInsn(fieldDesc[i].dims[1]); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, fieldDesc[i].elementImpl, "sizeof", "()J", itf); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].impl, "<init>", "(JJJ)V", itf); mv.visitVarInsn(ASTORE, 2); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 2); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, fieldDesc[i].impl, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 2); mv.visitInsn(ARETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } else { mv = cw.visitMethod(ACC_PUBLIC, fieldDesc[i].name, "()" + fieldDesc[i].sig, "()" + fieldDesc[i].sigGeneric, null); mv.visitCode(); mv.visitTypeInsn(NEW, fieldDesc[i].impl); mv.visitInsn(DUP); mv.visitLdcInsn(fieldDesc[i].dims[0]); mv.visitLdcInsn(fieldDesc[i].dims[1]); mv.visitMethodInsn(INVOKESPECIAL, fieldDesc[i].impl, "<init>", "(JJ)V", itf); mv.visitVarInsn(ASTORE, 1); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 1); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, fieldDesc[i].impl, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 1); mv.visitInsn(ARETURN); mv.visitMaxs(6, 3); mv.visitEnd(); } } } } // setters for (int i = 0; i < fieldDesc.length; i++) { if (ImplHelper.isTypePrimitive(fieldDesc[i].sig)) { mv = cw.visitMethod(ACC_PUBLIC, fieldDesc[i].name, "(" + fieldDesc[i].sig + ")V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, implClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, implClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitLdcInsn(fieldDesc[i].offset); mv.visitInsn(LADD); if (fieldDesc[i].sig == "D") { mv.visitVarInsn(DLOAD, 1); } else if (fieldDesc[i].sig == "J") { mv.visitVarInsn(LLOAD, 1); } else if (fieldDesc[i].sig == "F") { mv.visitVarInsn(FLOAD, 1); } else { mv.visitVarInsn(ILOAD, 1); } mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "put" + ImplHelper.fieldSig2MethodType(fieldDesc[i].sig), "(Ljava/lang/Object;J" + fieldDesc[i].sig + ")V", itf); mv.visitInsn(RETURN); mv.visitMaxs(6, 2); mv.visitEnd(); } } { mv = cw.visitMethod(ACC_PUBLIC, "copyFrom", "(L" + implClassName + ";)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKESPECIAL, implClassName, "copyFrom", "(Lcom/ibm/layout/Layout;)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(2, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, "java/lang/StringBuilder"); mv.visitInsn(DUP); mv.visitLdcInsn("("); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V", false); for (int i = 0; i < fieldDesc.length; i++) { if (ImplHelper.isTypePrimitive(fieldDesc[i].sig)) { mv.visitLdcInsn(fieldDesc[i].name + ": "); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, implClassName, fieldDesc[i].name, "()" + fieldDesc[i].sig, false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(" + ImplHelper.getByteCodeSig(fieldDesc[i].sig) + ")Ljava/lang/StringBuilder;", false); if (i < (fieldDesc.length - 1)) { mv.visitLdcInsn(", "); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); } } else { mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, implClassName, fieldDesc[i].name, "()" + fieldDesc[i].sig, false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "toString", "()Ljava/lang/String;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); } } mv.visitLdcInsn(")"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false); mv.visitInsn(ARETURN); mv.visitMaxs(3, 1); mv.visitEnd(); } ImplHelper.genLayoutTypeImpl(cw, mv, fv, implClassName, isVariableLengthLayout); ImplHelper.getLayoutImpl(cw, mv, implClassName); cw.visitEnd(); return cw.toByteArray(); }
From source file:com.ibm.layout.GenPrimArray1D.java
License:Open Source License
/** * Generate bytecodes for runtime class/*from w w w . ja v a 2s .c o m*/ * * @return byte array containing bytecodes for runtime class * @throws Exception */ public byte[] genBytecode() throws Exception { ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS); FieldVisitor fv; MethodVisitor mv; final boolean itf = false; cw.visit(V1_8, ACC_FINAL + ACC_SUPER, arrayImplClassName, null, "java/lang/Object", new String[] { arrayInterfaceClassName }); { fv = cw.visitField(ACC_PRIVATE + ACC_FINAL, "length", "J", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(J)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(RETURN); mv.visitMaxs(3, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "getLength", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } if (byte.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)B", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LCONST_1); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getByte", "(Ljava/lang/Object;J)B", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JB)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LCONST_1); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putByte", "(Ljava/lang/Object;JB)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LCONST_1); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/ByteArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (boolean.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)Z", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getBoolean", "(Ljava/lang/Object;J)Z", itf); mv.visitInsn(IRETURN); mv.visitMaxs(6, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JZ)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putBoolean", "(Ljava/lang/Object;JZ)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(6, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(5, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/BooleanArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (short.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)S", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getShort", "(Ljava/lang/Object;J)S", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JS)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putShort", "(Ljava/lang/Object;JS)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/ShortArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "range", "(JJ)L" + arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (char.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)C", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getChar", "(Ljava/lang/Object;J)C", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JC)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putChar", "(Ljava/lang/Object;JC)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/CharArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (int.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)I", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getInt", "(Ljava/lang/Object;J)I", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JI)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putInt", "(Ljava/lang/Object;JI)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/IntArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (long.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)J", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getLong", "(Ljava/lang/Object;J)J", itf); mv.visitInsn(LRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JJ)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putLong", "(Ljava/lang/Object;JJ)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/LongArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (float.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)F", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getFloat", "(Ljava/lang/Object;J)F", itf); mv.visitInsn(FRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JF)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(FLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putFloat", "(Ljava/lang/Object;JF)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/FloatArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (double.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)D", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getDouble", "(Ljava/lang/Object;J)D", itf); mv.visitInsn(DRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JD)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(DLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putDouble", "(Ljava/lang/Object;JD)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/DoubleArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "range", "(JJ)L" + arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else { throw new Exception(); } { mv = cw.visitMethod(ACC_PUBLIC, "sizeof", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } ImplHelper.genLayoutTypeImpl(cw, mv, fv, arrayImplClassName, false); cw.visitEnd(); return cw.toByteArray(); }
From source file:com.ibm.layout.GenVLArray.java
License:Open Source License
/** * Generate bytecodes for runtime class/*from w w w . j av a 2 s . co m*/ * * @return byte array containing bytecodes for runtime class * @throws Exception */ public byte[] genBytecode() throws Exception { ClassWriter cw = new ClassWriter(0); MethodVisitor mv; FieldVisitor fv; final boolean itf = false; /* If user-defined array class is supplied, use it as superclass, and use its name instead of generating it */ cw.visit(V1_8, ACC_FINAL + ACC_SUPER, arrayImplClassName, arrayInterfaceClassSig, "java/lang/Object", new String[] { arrayInterfaceClassName }); { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "length", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "elementSize", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PRIVATE, "arraySize", "J", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "<init>", "(JJ)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 3); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "elementSize", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "length", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 3); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LMUL); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(RETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "sizeof", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "getComponentType", "()Ljava/lang/Class;", "()Ljava/lang/Class<*>;", null); mv.visitCode(); mv.visitLdcInsn(Type.getType("L" + elementInterfaceClassName + ";")); mv.visitInsn(ARETURN); mv.visitMaxs(1, 0); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "getVLALength", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)L" + elementInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, elementImplClassName); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, elementImplClassName, "<init>", "()V", false); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 3); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "elementSize", "J"); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", false); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", false); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ARETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)Lcom/ibm/layout/Array1D;", "(JJ)Lcom/ibm/layout/Array1D<" + elementInterfaceClassName + ";>;", null); mv.visitCode(); mv.visitTypeInsn(NEW, arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "elementSize", "J"); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(JJ)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "elementSize", "J"); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JLcom/ibm/layout/Layout;)V", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, elementImplClassName); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, elementImplClassName, "<init>", "()V", false); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "elementSize", "J"); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", false); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", false); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "copyFrom", "(Lcom/ibm/layout/Layout;)V", false); mv.visitInsn(RETURN); mv.visitMaxs(8, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JL" + elementInterfaceClassName + ";)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", itf); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitVarInsn(ALOAD, 3); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "copyFrom", "(L" + elementImplClassName + ";)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(3, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "at", "(J)Lcom/ibm/layout/Layout;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(3, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, "java/lang/StringBuffer"); mv.visitInsn(DUP); mv.visitLdcInsn("["); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuffer", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ASTORE, 1); mv.visitInsn(LCONST_0); mv.visitVarInsn(LSTORE, 2); Label l0 = new Label(); mv.visitJumpInsn(GOTO, l0); Label l1 = new Label(); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_APPEND, 2, new Object[] { "java/lang/StringBuffer", Opcodes.LONG }, 0, null); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(NEW, "java/lang/StringBuilder"); mv.visitInsn(DUP); mv.visitLdcInsn(" "); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", false); mv.visitMethodInsn(INVOKEINTERFACE, elementInterfaceClassName, "toString", "()Ljava/lang/String;", true); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(LLOAD, 2); mv.visitInsn(LCONST_1); mv.visitInsn(LADD); mv.visitVarInsn(LSTORE, 2); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(LLOAD, 2); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LCMP); mv.visitJumpInsn(IFLT, l1); mv.visitVarInsn(ALOAD, 1); mv.visitLdcInsn(" ]"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "toString", "()Ljava/lang/String;", false); mv.visitInsn(ARETURN); mv.visitMaxs(5, 4); mv.visitEnd(); } ImplHelper.genLayoutTypeImpl(cw, mv, fv, arrayImplClassName, false); cw.visitEnd(); return cw.toByteArray(); }
From source file:com.ibm.layout.ImplHelper.java
License:Open Source License
static void genLayoutTypeImpl(ClassVisitor cw, MethodVisitor mv, FieldVisitor fv, String typeName, boolean layoutContainsVLA) { {//from w w w. java2 s . co m fv = cw.visitField(ACC_PRIVATE + ACC_FINAL + ACC_STATIC, "unsafe", "Lsun/misc/Unsafe;", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "containsVLA", "()Z", null, null); mv.visitCode(); //if layout contains VLA return true, otherwise false if (layoutContainsVLA) { mv.visitInsn(ICONST_1); } else { mv.visitInsn(ICONST_0); } mv.visitInsn(IRETURN); mv.visitMaxs(1, 1); mv.visitEnd(); } { fv = cw.visitField(ACC_PROTECTED, "location", "Lcom/ibm/layout/Location;", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "bindLocation", "(Lcom/ibm/layout/Location;)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "checkDataFits", "(J)Z", false); Label l0 = new Label(); mv.visitJumpInsn(IFEQ, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitFieldInsn(PUTFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitInsn(RETURN); mv.visitMaxs(3, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "writeToByteArray", "(J[BII)I", null, null); mv.visitCode(); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(LCMP); Label l0 = new Label(); mv.visitJumpInsn(IFLE, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(L2I); mv.visitVarInsn(ISTORE, 5); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l1 = new Label(); mv.visitJumpInsn(IFNULL, l1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(L2I); mv.visitVarInsn(ALOAD, 3); mv.visitVarInsn(ILOAD, 4); mv.visitVarInsn(ILOAD, 5); mv.visitMethodInsn(INVOKESTATIC, "java/lang/System", "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V", false); Label l2 = new Label(); mv.visitJumpInsn(GOTO, l2); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitInsn(ACONST_NULL); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitVarInsn(ALOAD, 3); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "arrayBaseOffset", "(Ljava/lang/Class;)I", false); mv.visitInsn(I2L); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "copyMemory", "(Ljava/lang/Object;JLjava/lang/Object;JJ)V", false); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(IRETURN); mv.visitMaxs(9, 6); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "readFromByteArray", "(J[BII)I", null, null); mv.visitCode(); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(LCMP); Label l0 = new Label(); mv.visitJumpInsn(IFLE, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(L2I); mv.visitVarInsn(ISTORE, 5); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l1 = new Label(); mv.visitJumpInsn(IFNULL, l1); mv.visitVarInsn(ALOAD, 3); mv.visitVarInsn(ILOAD, 4); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(L2I); mv.visitVarInsn(ILOAD, 5); mv.visitMethodInsn(INVOKESTATIC, "java/lang/System", "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V", false); Label l2 = new Label(); mv.visitJumpInsn(GOTO, l2); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 3); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "arrayBaseOffset", "(Ljava/lang/Class;)I", false); mv.visitVarInsn(ILOAD, 4); mv.visitInsn(IADD); mv.visitInsn(I2L); mv.visitInsn(ACONST_NULL); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "copyMemory", "(Ljava/lang/Object;JLjava/lang/Object;JJ)V", false); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(IRETURN); mv.visitMaxs(9, 6); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "asByteBuffer", "()Ljava/nio/ByteBuffer;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l0 = new Label(); mv.visitJumpInsn(IFNULL, l0); mv.visitTypeInsn(NEW, "java/lang/UnsupportedOperationException"); mv.visitInsn(DUP); mv.visitLdcInsn("not off-heap"); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>", "(Ljava/lang/String;)V", false); mv.visitInsn(ATHROW); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/UnsafeHelper", "bufferFromAddress", "(JJ)Ljava/nio/ByteBuffer;", false); mv.visitVarInsn(ASTORE, 1); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKESTATIC, "java/nio/ByteOrder", "nativeOrder", "()Ljava/nio/ByteOrder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/nio/ByteBuffer", "order", "(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 1); mv.visitInsn(ARETURN); mv.visitMaxs(4, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL + ACC_STATIC, "asByteBuffer", "(Lcom/ibm/layout/Location;J)Ljava/nio/ByteBuffer;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l0 = new Label(); mv.visitJumpInsn(IFNULL, l0); mv.visitTypeInsn(NEW, "java/lang/UnsupportedOperationException"); mv.visitInsn(DUP); mv.visitLdcInsn("not off-heap"); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>", "(Ljava/lang/String;)V", false); mv.visitInsn(ATHROW); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/UnsafeHelper", "bufferFromAddress", "(JJ)Ljava/nio/ByteBuffer;", false); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKESTATIC, "java/nio/ByteOrder", "nativeOrder", "()Ljava/nio/ByteOrder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/nio/ByteBuffer", "order", "(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ARETURN); mv.visitMaxs(4, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "unsafeCast", "(Ljava/lang/Class;)Lcom/ibm/layout/Layout;", "<T::Lcom/ibm/layout/Layout;>(Ljava/lang/Class<TT;>;)TT;", null); mv.visitCode(); Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitTryCatchBlock(l0, l1, l2, "java/lang/NoSuchMethodException"); Label l3 = new Label(); mv.visitTryCatchBlock(l0, l1, l3, "java/lang/SecurityException"); Label l4 = new Label(); mv.visitTryCatchBlock(l0, l1, l4, "java/lang/InstantiationException"); Label l5 = new Label(); mv.visitTryCatchBlock(l0, l1, l5, "java/lang/IllegalAccessException"); Label l6 = new Label(); mv.visitTryCatchBlock(l0, l1, l6, "java/lang/IllegalArgumentException"); Label l7 = new Label(); mv.visitTryCatchBlock(l0, l1, l7, "java/lang/reflect/InvocationTargetException"); mv.visitLabel(l0); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/LayoutHelper", "getFactory", "()Lcom/ibm/layout/LayoutHelper;", false); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/LayoutHelper", "genLayoutImpl", "(Ljava/lang/Class;)Ljava/lang/Class;", false); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Class"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getDeclaredConstructor", "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;", false); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ICONST_1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "setAccessible", "(Z)V", false); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Object"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "newInstance", "([Ljava/lang/Object;)Ljava/lang/Object;", false); mv.visitTypeInsn(CHECKCAST, "com/ibm/layout/Layout"); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEINTERFACE, "com/ibm/layout/Layout", "bindLocation", "(Lcom/ibm/layout/Location;)V", true); mv.visitVarInsn(ALOAD, 4); mv.visitLabel(l1); mv.visitInsn(ARETURN); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/NoSuchMethodException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/NoSuchMethodException", "printStackTrace", "()V", false); Label l8 = new Label(); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l3); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/SecurityException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/SecurityException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l4); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/InstantiationException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/InstantiationException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l5); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalAccessException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalAccessException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l6); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalArgumentException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalArgumentException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l7); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/reflect/InvocationTargetException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "printStackTrace", "()V", false); mv.visitLabel(l8); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitInsn(ACONST_NULL); mv.visitInsn(ARETURN); mv.visitMaxs(2, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "unsafeCast", "(Ljava/lang/Class;J)Lcom/ibm/layout/Array1D;", "<T::Lcom/ibm/layout/Layout;>(Ljava/lang/Class<TT;>;J)Lcom/ibm/layout/Array1D<TT;>;", null); mv.visitCode(); Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitTryCatchBlock(l0, l1, l2, "java/lang/NoSuchMethodException"); Label l3 = new Label(); mv.visitTryCatchBlock(l0, l1, l3, "java/lang/SecurityException"); Label l4 = new Label(); mv.visitTryCatchBlock(l0, l1, l4, "java/lang/InstantiationException"); Label l5 = new Label(); mv.visitTryCatchBlock(l0, l1, l5, "java/lang/IllegalAccessException"); Label l6 = new Label(); mv.visitTryCatchBlock(l0, l1, l6, "java/lang/IllegalArgumentException"); Label l7 = new Label(); mv.visitTryCatchBlock(l0, l1, l7, "java/lang/reflect/InvocationTargetException"); mv.visitLabel(l0); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/LayoutHelper", "getFactory", "()Lcom/ibm/layout/LayoutHelper;", false); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/LayoutHelper", "genLayoutImpl", "(Ljava/lang/Class;)Ljava/lang/Class;", false); mv.visitVarInsn(ASTORE, 5); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Class"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getDeclaredConstructor", "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;", false); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 6); mv.visitInsn(ICONST_1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "setAccessible", "(Z)V", false); mv.visitVarInsn(ALOAD, 6); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Object"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "newInstance", "([Ljava/lang/Object;)Ljava/lang/Object;", false); mv.visitTypeInsn(CHECKCAST, "com/ibm/layout/Layout"); mv.visitMethodInsn(INVOKEINTERFACE, "com/ibm/layout/Layout", "sizeof", "()J", true); mv.visitVarInsn(LSTORE, 7); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/LayoutHelper", "genArray1DImpl", "(Ljava/lang/Class;)Ljava/lang/Class;", false); mv.visitVarInsn(ASTORE, 9); mv.visitVarInsn(ALOAD, 9); mv.visitInsn(ICONST_2); mv.visitTypeInsn(ANEWARRAY, "java/lang/Class"); mv.visitInsn(DUP); mv.visitInsn(ICONST_0); mv.visitFieldInsn(GETSTATIC, "java/lang/Long", "TYPE", "Ljava/lang/Class;"); mv.visitInsn(AASTORE); mv.visitInsn(DUP); mv.visitInsn(ICONST_1); mv.visitFieldInsn(GETSTATIC, "java/lang/Long", "TYPE", "Ljava/lang/Class;"); mv.visitInsn(AASTORE); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getDeclaredConstructor", "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;", false); mv.visitVarInsn(ASTORE, 10); mv.visitVarInsn(ALOAD, 10); mv.visitInsn(ICONST_1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "setAccessible", "(Z)V", false); mv.visitVarInsn(ALOAD, 10); mv.visitInsn(ICONST_2); mv.visitTypeInsn(ANEWARRAY, "java/lang/Object"); mv.visitInsn(DUP); mv.visitInsn(ICONST_0); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false); mv.visitInsn(AASTORE); mv.visitInsn(DUP); mv.visitInsn(ICONST_1); mv.visitVarInsn(LLOAD, 7); mv.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false); mv.visitInsn(AASTORE); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "newInstance", "([Ljava/lang/Object;)Ljava/lang/Object;", false); mv.visitTypeInsn(CHECKCAST, "com/ibm/layout/Array1D"); mv.visitVarInsn(ASTORE, 11); mv.visitVarInsn(ALOAD, 11); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEINTERFACE, "com/ibm/layout/Array1D", "bindLocation", "(Lcom/ibm/layout/Location;)V", true); mv.visitVarInsn(ALOAD, 11); mv.visitLabel(l1); mv.visitInsn(ARETURN); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/NoSuchMethodException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/NoSuchMethodException", "printStackTrace", "()V", false); Label l8 = new Label(); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l3); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/SecurityException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/SecurityException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l4); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/InstantiationException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/InstantiationException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l5); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalAccessException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalAccessException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l6); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalArgumentException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalArgumentException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l7); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/reflect/InvocationTargetException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "printStackTrace", "()V", false); mv.visitLabel(l8); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitInsn(ACONST_NULL); mv.visitInsn(ARETURN); mv.visitMaxs(6, 12); mv.visitEnd(); } }