Example usage for org.objectweb.asm MethodVisitor visitEnd

List of usage examples for org.objectweb.asm MethodVisitor visitEnd

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Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitEnd.

Prototype

public void visitEnd()

Source Link

Document

Visits the end of the method.

Usage

From source file:lapin.comp.asm.ASMByteCodeGenerator.java

License:Open Source License

private void generateCall(CallableInfo ci, Env env) {
    /*//from  ww w  .  ja  va 2 s  .  c  o m
     * local variables
     * <Callable#call>
     * 0: this
     * 1: args (list of arguments)
     * 2: env
     *
     * <Callable0#call0>
     * 0: this
     * 1: env
     *
     * <Callable1#call1>
     * 0: this
     * 1: arg0
     * 2: env
     *
     * <Callable2#call2>
     * 0: this
     * 1: arg0
     * 2: arg1
     * 3: env
     *
     * ...
     *
     */
    MethodVisitor mv = _cw.visitMethod(
            ci.mi.implCallable() ? Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL : Opcodes.ACC_FINAL, ci.mi.name(),
            Type.getMethodDescriptor(ci.retType, ci.paramTypes), null, null);

    // instruction list
    int len = ci.mi.instLen();
    // label
    Label label = null;

    // generate code
    for (int i = 0; i < len; i++) {
        Object inst = ci.mi.getInst(i);
        if (Logger.tracelevelp(env))
            Logger.trace("[asm:gen]" + i + ":\t~S", Lists.list(inst), env);

        // inst is symbol
        // -> convert tag (Symbol) to label (ASMe Label object)
        if (Data.isSymbol(inst)) {
            Symbol tag = Data.symbol(inst);
            Label l = (Label) ci.labelTable.get(tag);
            if (l == null) {
                throw new NotReachedException("label is null: ~S.", Lists.list(tag));
            } else if (l != label) {
                mv.visitLabel(l);
                label = l;
                if (Logger.tracelevelp(env))
                    Logger.trace("[asm:gen]" + i + ":\ttag ~S -> label ~S", Lists.list(tag, l), env);
            } else {
                if (Logger.tracelevelp(env))
                    Logger.trace("[asm:gen]" + i + ":\ttag ~S -> label ~S" + " (dup)", Lists.list(tag, l), env);
            }
            continue;
        }

        // inst must be the form of (id <arg1> <arg2> ....)
        Object id = Lists.car(inst);
        if (id == Insts.CONST) {
            /* push const on the stack. */
            Object obj = Lists.cadr(inst);
            String val = Data.string(constTable.get(obj));
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val,
                    TYPE_OBJECT.getDescriptor());
        } else if (id == Insts.VAR) {
            /* push var on the stack */
            Object var = Lists.cadr(inst);
            String val = Data.string(varTable.get(var));
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val,
                    TYPE_SYMBOL.getDescriptor());
        } else if (id == Insts.LAMBDA_LIST) {
            /* push lambdaList on the stack */
            Object var = Lists.cadr(inst);
            /* push _ll_<i> on the stack */
            String val = Data.string(llTable.get(var));
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val,
                    TYPE_LAMBDA_LIST.getDescriptor());
        } else if (id == Insts.ENV_GET) {
            /* env.get */
            Class type = Data.javaClass(Lists.cadr(inst));
            if (type.equals(int.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getInt",
                        Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { TYPE_SYMBOL }));
            } else if (type.equals(double.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getDouble",
                        Type.getMethodDescriptor(Type.DOUBLE_TYPE, new Type[] { TYPE_SYMBOL }));
            } else if (type.equals(char.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getChar",
                        Type.getMethodDescriptor(Type.CHAR_TYPE, new Type[] { TYPE_SYMBOL }));
            } else if (Object.class.isAssignableFrom(type)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "get",
                        Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_SYMBOL }));
            } else {
                throw new NotReachedException("unsupported type: ~S.", Lists.list(type));
            }
        } else if (id == Insts.ENV_SET) {
            /* env.set */
            Class type = Data.javaClass(Lists.cadr(inst));
            if (type.equals(int.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.INT_TYPE }));
            } else if (type.equals(double.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.DOUBLE_TYPE }));
            } else if (type.equals(char.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.CHAR_TYPE }));
            } else if (Object.class.isAssignableFrom(type)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, TYPE_OBJECT }));
            } else {
                throw new NotReachedException("unsupported type: ~S.", Lists.list(type));
            }
        } else if (id == Insts.ENV_BIND) {
            /* env.bind */
            Class type = Data.javaClass(Lists.cadr(inst));
            if (type.equals(int.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.INT_TYPE }));
            } else if (type.equals(double.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.DOUBLE_TYPE }));
            } else if (type.equals(char.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.CHAR_TYPE }));
            } else if (Object.class.isAssignableFrom(type)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind",
                        Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, TYPE_OBJECT }));
            } else {
                throw new NotReachedException("unsupported type: ~S.", Lists.list(type));
            }
        } else if (id == Insts.ENV_UNBIND) {
            /* env.unbind */
            Class type = Data.javaClass(Lists.cadr(inst));
            if (type.equals(int.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindInt",
                        Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { TYPE_SYMBOL }));
            } else if (type.equals(double.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindDouble",
                        Type.getMethodDescriptor(Type.DOUBLE_TYPE, new Type[] { TYPE_SYMBOL }));
            } else if (type.equals(char.class)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindChar",
                        Type.getMethodDescriptor(Type.CHAR_TYPE, new Type[] { TYPE_SYMBOL }));
            } else if (Object.class.isAssignableFrom(type)) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbind",
                        Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_SYMBOL }));
            } else {
                throw new NotReachedException("unsupported type: ~S.", Lists.list(type));
            }
        } else if (id == Insts.ENV_CHILD) {
            /* env.child */
            Object oldEnvVar = Lists.cadr(inst);
            Object newEnvVar = Lists.caddr(inst);
            Object oldSlot = Lists.cadr(oldEnvVar);
            Object newSlot = Lists.cadr(newEnvVar);
            int oldLocal = Data.fixnum(ci.localTable.get(oldSlot)).intValue();
            int newLocal = Data.fixnum(ci.localTable.get(newSlot)).intValue();
            if (Logger.tracelevelp(env))
                Logger.trace("[asm:gen]" + i + ":\tenv-child: local ~S -> ~S",
                        Lists.list(Data.toFixnum(oldLocal), Data.toFixnum(newLocal)), env);
            mv.visitVarInsn(Opcodes.ALOAD, oldLocal);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "child",
                    Type.getMethodDescriptor(TYPE_ENV, TYPE_NO_ARGS));
            mv.visitVarInsn(Opcodes.ASTORE, newLocal);
        } else if (id == Insts.CALL) {
            /* funcall */
            int nargs = Data.fixnum(Lists.cadr(inst)).intValue();
            String className = "lapin.eval.Funcall";
            String methodName = nargs < 0 ? "funcall" : "funcall" + nargs;
            Class rType = Object.class;
            Class[] pTypes;
            if (nargs < 0) {
                pTypes = new Class[] { Function.class, Object.class, // list of args
                        Env.class };
            } else {
                pTypes = new Class[nargs + 2];
                pTypes[0] = Function.class;
                for (int j = 0; j < nargs; j++) {
                    pTypes[j + 1] = Object.class;
                }
                pTypes[nargs + 1] = Env.class;
            }

            Type retType = Type.getType(rType);
            Type[] paramTypes = new Type[pTypes.length];
            for (int j = 0; j < pTypes.length; j++)
                paramTypes[j] = Type.getType(pTypes[j]);

            mv.visitMethodInsn(Opcodes.INVOKESTATIC, toInternalName(className), methodName,
                    Type.getMethodDescriptor(retType, paramTypes));
        } else if (id == Insts.CALL_DIRECT) {
            /*
             * public class Foo
             *   extends CompiledExpr implements Callable2 {
             *  public Object call2(Object arg0, Object arg1, Env env) {
             *   ...
             *  }
             * }
             */
            MethodInfo mi = (MethodInfo) Lists.cadr(inst);
            String className = mi.classInfo().classname();
            int nargs = mi.nargs();
            boolean rest = mi.rest();
            String methodName = mi.name();
            Class rType = mi.retType();
            Class[] pTypes = mi.paramTypes();

            Type retType = Type.getType(rType);
            Type[] paramTypes = new Type[pTypes.length];
            for (int j = 0; j < pTypes.length; j++)
                paramTypes[j] = Type.getType(pTypes[j]);

            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, toInternalName(className), methodName,
                    Type.getMethodDescriptor(retType, paramTypes));
        } else if (id == Insts.COMPILED_EXPR) {
            /*
             * public class Foo extends CompiledExpr {
             *  static public Foo SELF;
             *  ...
             * }
             */
            String className = Data.string(Lists.cadr(inst));
            String fieldName = "SELF";
            String typeName = className;
            mv.visitFieldInsn(Opcodes.GETSTATIC, toInternalName(className), fieldName,
                    toTypeDescriptor(typeName));
        } else if (id == Insts.RETURN) {
            /* return */
            Class type = Data.javaClass(Lists.cadr(inst));
            if (type.equals(int.class) || type.equals(short.class) || type.equals(byte.class)
                    || type.equals(char.class)) {
                mv.visitInsn(Opcodes.IRETURN);
            } else if (type.equals(long.class)) {
                mv.visitInsn(Opcodes.LRETURN);
            } else if (type.equals(float.class)) {
                mv.visitInsn(Opcodes.FRETURN);
            } else if (type.equals(double.class)) {
                mv.visitInsn(Opcodes.DRETURN);
            } else if (type.equals(void.class)) {
                //mv.visitInsn(Opcodes.RETURN);
                throw new NotReachedException("unsupported returnType: ~S.", Lists.list(type));
            } else {
                mv.visitInsn(Opcodes.ARETURN);
            }
        } else if (id == Insts.IFEQ) {
            /* conditional jump */
            Symbol tag = Data.symbol(Lists.cadr(inst));
            Label l = (Label) ci.labelTable.get(tag);
            if (l == null) {
                throw new NotReachedException("label not found: ~S.", Lists.list(tag));
            }
            mv.visitJumpInsn(Opcodes.IFEQ, l);
        } else if (id == Insts.IFNE) {
            /* conditional jump */
            Symbol tag = Data.symbol(Lists.cadr(inst));
            Label l = (Label) ci.labelTable.get(tag);
            if (l == null) {
                throw new NotReachedException("label not found: ~S.", Lists.list(tag));
            }
            mv.visitJumpInsn(Opcodes.IFNE, l);
        } else if (id == Insts.GOTO) {
            /* jump */
            Symbol tag = Data.symbol(Lists.cadr(inst));
            Label l = (Label) ci.labelTable.get(tag);
            if (l == null) {
                throw new NotReachedException("label not found: ~S.", Lists.list(tag));
            }
            mv.visitJumpInsn(Opcodes.GOTO, l);
        } else if (id == Insts.LOAD) {
            /* local -> stack */
            Object localVar = Lists.cadr(inst);
            Object slot = Lists.cadr(localVar);
            Class type = Data.javaClass(Lists.caddr(localVar));
            int local = Data.fixnum(ci.localTable.get(slot)).intValue();
            int op = Type.getType(type).getOpcode(Opcodes.ILOAD);
            if (Logger.tracelevelp(env))
                Logger.trace("[asm:gen]" + i + ":\tload: local=~S type=~S",
                        Lists.list(Data.toFixnum(local), type), env);
            mv.visitVarInsn(op, local);
        } else if (id == Insts.STORE) {
            /* stack -> local */
            Object localVar = Lists.cadr(inst);
            Object slot = Lists.cadr(localVar);
            Class type = Data.javaClass(Lists.caddr(localVar));
            int local = Data.fixnum(ci.localTable.get(slot)).intValue();
            int op = Type.getType(type).getOpcode(Opcodes.ISTORE);
            if (Logger.tracelevelp(env))
                Logger.trace("[asm:gen]" + i + ":\tstore: local=~S type=~S",
                        Lists.list(Data.toFixnum(local), type), env);
            mv.visitVarInsn(op, local);
        } else if (id == Insts.POP) {
            /* pop a value and discard it */
            Class type = Data.javaClass(Lists.cadr(inst));
            int op;
            switch (Classes.sizeOf(type)) {
            case 1:
                op = Opcodes.POP;
                break;
            case 2:
                op = Opcodes.POP2;
                break;
            default:
                throw new NotReachedException("unsupported type: ~S.", Lists.list(type));
            }
            mv.visitInsn(op);
        } else if (id == Insts.DUP) {
            /* peek a value and duplicate it */
            Class type = Data.javaClass(Lists.cadr(inst));
            int op;
            switch (Classes.sizeOf(type)) {
            case 1:
                op = Opcodes.DUP;
                break;
            case 2:
                op = Opcodes.DUP2;
                break;
            default:
                throw new NotReachedException("unsupported type: ~S.", Lists.list(type));
            }
            mv.visitInsn(op);
        } else if (id == Insts.PUSH) {
            /* push a constant */
            Object val = Lists.cadr(inst);
            if (Data.isJavaBoolean(val)) {
                if (Data.javaBoolean(val).booleanValue())
                    mv.visitInsn(Opcodes.ICONST_1);
                else
                    mv.visitInsn(Opcodes.ICONST_0);
            } else if (val instanceof Byte || val instanceof Short || val instanceof Integer) {
                int n = Data.javaNumber(val).intValue();
                if (n == -1)
                    mv.visitInsn(Opcodes.ICONST_M1);
                else if (n == 0)
                    mv.visitInsn(Opcodes.ICONST_0);
                else if (n == 1)
                    mv.visitInsn(Opcodes.ICONST_1);
                else if (n == 2)
                    mv.visitInsn(Opcodes.ICONST_2);
                else if (n == 3)
                    mv.visitInsn(Opcodes.ICONST_3);
                else if (n == 4)
                    mv.visitInsn(Opcodes.ICONST_4);
                else if (n == 5)
                    mv.visitInsn(Opcodes.ICONST_5);
                else if (Byte.MIN_VALUE <= n && n <= Byte.MAX_VALUE)
                    mv.visitIntInsn(Opcodes.BIPUSH, n);
                else if (Short.MIN_VALUE <= n && n <= Short.MAX_VALUE)
                    mv.visitIntInsn(Opcodes.SIPUSH, n);
                else
                    mv.visitLdcInsn(Data.toFixnum(n));
            } else if (val instanceof Long) {
                long n = Data.javaNumber(val).longValue();
                if (n == 0L)
                    mv.visitInsn(Opcodes.LCONST_0);
                else if (n == 1L)
                    mv.visitInsn(Opcodes.LCONST_1);
                else
                    mv.visitLdcInsn(val);
            } else if (val instanceof Float) {
                float n = Data.javaNumber(val).floatValue();
                if (n == 0.0f)
                    mv.visitInsn(Opcodes.FCONST_0);
                else if (n == 1.0f)
                    mv.visitInsn(Opcodes.FCONST_1);
                else if (n == 2.0f)
                    mv.visitInsn(Opcodes.FCONST_2);
                else
                    mv.visitLdcInsn(val);
            } else if (val instanceof Double) {
                double n = Data.javaNumber(val).doubleValue();
                if (n == 0.0)
                    mv.visitInsn(Opcodes.DCONST_0);
                else if (n == 1.0)
                    mv.visitInsn(Opcodes.DCONST_1);
                else
                    mv.visitLdcInsn(val);
            } else if (Data.isCharacter(val)) {
                Character c = Data.character(val);
                int n = (int) c.charValue();
                if (Byte.MIN_VALUE <= n && n <= Byte.MAX_VALUE)
                    mv.visitIntInsn(Opcodes.BIPUSH, n);
                else if (Short.MIN_VALUE <= n && n <= Short.MAX_VALUE)
                    mv.visitIntInsn(Opcodes.SIPUSH, n);
                else
                    mv.visitLdcInsn(Data.toFixnum(n));
            } else if (Data.isString(val)) {
                mv.visitLdcInsn(val);
            } else {
                throw new NotReachedException("cannot push: ~S.", Lists.list(val));
            }
        } else if (id == Insts.GET) {
            Field f = Data.javaField(Lists.cadr(inst));
            String fieldName = f.getName();
            Class c = f.getDeclaringClass();
            String className = c.getName();
            Class t = f.getType();
            String typeName = t.getName();

            boolean isStatic = Classes.isStatic(f);
            int op = isStatic ? Opcodes.GETSTATIC : Opcodes.GETFIELD;

            mv.visitFieldInsn(op, toInternalName(className), fieldName, toTypeDescriptor(typeName));
        } else if (id == Insts.PUT) {
            Field f = Data.javaField(Lists.cadr(inst));
            String fieldName = f.getName();
            Class c = f.getDeclaringClass();
            String className = c.getName();
            Class t = f.getType();
            String typeName = t.getName();

            boolean isStatic = Classes.isStatic(f);
            int op = isStatic ? Opcodes.PUTSTATIC : Opcodes.PUTFIELD;

            mv.visitFieldInsn(op, toInternalName(className), fieldName, toTypeDescriptor(typeName));
        } else if (id == Insts.INVOKE) {
            Method m = Data.javaMethod(Lists.cadr(inst));
            String methodName = m.getName();
            Class c = m.getDeclaringClass();
            String className = c.getName();
            Class rType = m.getReturnType();
            Class[] pTypes = m.getParameterTypes();
            if (rType.equals(void.class)) {
                throw new NotReachedException("unsupported returnType: ~S.", Lists.list(rType));
            }
            Type retType = Type.getType(rType);
            Type[] paramTypes = new Type[pTypes.length];
            for (int j = 0; j < pTypes.length; j++)
                paramTypes[j] = Type.getType(pTypes[j]);

            boolean isStatic = Classes.isStatic(m);
            boolean isInterface = c.isInterface();
            int op = isStatic ? Opcodes.INVOKESTATIC
                    : isInterface ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL;

            mv.visitMethodInsn(op, toInternalName(className), methodName,
                    Type.getMethodDescriptor(retType, paramTypes));
        } else if (id == Insts.CHECKCAST) {
            Class c = Data.javaClass(Lists.cadr(inst));
            Type t = Type.getType(c);
            mv.visitTypeInsn(Opcodes.CHECKCAST, t.getInternalName());
        } else if (id == Insts.THROW) {
            mv.visitInsn(Opcodes.ATHROW);
        } else if (id == Insts.CATCH) {
            Symbol tagS = Data.symbol(Lists.cadr(inst));
            Symbol tagE = Data.symbol(Lists.caddr(inst));
            Symbol tagH = Data.symbol(Lists.cadddr(inst));
            String className;
            if (Lists.isEnd(Lists.cddddr(inst))) {
                className = null;
            } else {
                Class c = Data.javaClass(Lists.car(Lists.cddddr(inst)));
                className = toInternalName(c.getName());
            }
            Label labelS = (Label) ci.labelTable.get(tagS);
            if (labelS == null) {
                throw new NotReachedException("label not found: ~S.", Lists.list(tagS));
            }
            Label labelE = (Label) ci.labelTable.get(tagE);
            if (labelE == null) {
                throw new NotReachedException("label not found: ~S.", Lists.list(tagE));
            }
            Label labelH = (Label) ci.labelTable.get(tagH);
            if (labelH == null) {
                throw new NotReachedException("label not found: ~S.", Lists.list(tagH));
            }
            mv.visitTryCatchBlock(labelS, labelE, labelH, className);
        }
        //else if (id == Insts.CATCH_FROM ||
        //         id == Insts.CATCH_TO ||
        //         id == Insts.CATCH_HANDLER) {
        //    /* nothing emitted */
        //    continue;
        //}
        else {
            throw new NotReachedException("unknown inst: ~S.", Lists.list(inst));
        }
    }
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate constructor of the generated class
 * /* w w w . j  a va 2s. com*/
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 */
private void generateConstructor(ClassWriter p_ClassWriter, String p_ClassName) {
    MethodVisitor mv;
    // Generate "<init>(LdapBeanManager, LdapObjectManager, LdapObject)"
    mv = p_ClassWriter.visitMethod(ACC_PUBLIC, "<init>", "(Lldapbeans/bean/LdapBeanManager;"
            + "Lldapbeans/bean/LdapObjectManager;" + "Lldapbeans/bean/LdapObject;)V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitFieldInsn(PUTFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapBeanManager",
            "Lldapbeans/bean/LdapBeanManager;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 2);
    mv.visitFieldInsn(PUTFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObjectManager",
            "Lldapbeans/bean/LdapObjectManager;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 3);
    mv.visitFieldInsn(PUTFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObject",
            "Lldapbeans/bean/LdapObject;");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * //  w w  w .  j  a v a 2 s  .  c o m
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 */
private void generateMethodGetDn(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor) {
    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, p_Method.getName(), p_MethodDescriptor, null,
            null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObject",
            "Lldapbeans/bean/LdapObject;");
    mv.visitMethodInsn(INVOKEVIRTUAL, "ldapbeans/bean/LdapObject", "getDn", "()Ljava/lang/String;");
    mv.visitInsn(ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * //from   ww w . ja  v a 2  s  . c o m
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 */
private void generateMethodStore(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor) {
    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, "store", "()V", null,
            new String[] { "javax/naming/NamingException" });
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObjectManager",
            "Lldapbeans/bean/LdapObjectManager;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObject",
            "Lldapbeans/bean/LdapObject;");
    mv.visitMethodInsn(INVOKEVIRTUAL, "ldapbeans/bean/LdapObjectManager", "storeLdapObject",
            "(Lldapbeans/bean/LdapObject;)V");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * //  www.  j av  a2 s  .  c om
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 */
private void generateMethodRestore(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor) {
    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, "restore", "()V", null,
            new String[] { "javax/naming/NamingException" });
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObjectManager",
            "Lldapbeans/bean/LdapObjectManager;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObject",
            "Lldapbeans/bean/LdapObject;");
    mv.visitMethodInsn(INVOKEVIRTUAL, "ldapbeans/bean/LdapObjectManager", "restoreLdapObject",
            "(Lldapbeans/bean/LdapObject;)V");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * //from w  ww  . j a v a2 s.  co  m
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 */
private void generateMethodMove(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor) {
    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, "move", "(Ljava/lang/String;)V", null,
            new String[] { "javax/naming/NamingException" });
    mv.visitCode();
    // this.m_LdapObjectManager.moveLdapObject(this.m_LdapObject, p_Dn);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObjectManager",
            "Lldapbeans/bean/LdapObjectManager;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObject",
            "Lldapbeans/bean/LdapObject;");
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKEVIRTUAL, "ldapbeans/bean/LdapObjectManager", "moveLdapObject",
            "(Lldapbeans/bean/LdapObject;Ljava/lang/String;)V");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * // w w  w  . ja va 2s . c  om
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 */
private void generateMethodRemove(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor) {
    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, "remove", "()V", null,
            new String[] { "javax/naming/NamingException" });
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObjectManager",
            "Lldapbeans/bean/LdapObjectManager;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObject",
            "Lldapbeans/bean/LdapObject;");
    mv.visitMethodInsn(INVOKEVIRTUAL, "ldapbeans/bean/LdapObjectManager", "removeLdapObject",
            "(Lldapbeans/bean/LdapObject;)V");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * //from  ww  w .  jav a 2 s .c  o m
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 */
private void generateMethodToString(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor) {
    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, INTERNAL_PACKAGE_NAME + '/' + p_ClassName, "m_LdapObject",
            "Lldapbeans/bean/LdapObject;");
    mv.visitMethodInsn(INVOKEVIRTUAL, "ldapbeans/bean/LdapObject", "toString", "()Ljava/lang/String;");
    mv.visitInsn(ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * /*ww  w  . j  a v  a 2  s.c o m*/
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 */
private void generateMethodEquals(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor) {
    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, "equals", "(Ljava/lang/Object;)Z", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 1);
    mv.visitTypeInsn(INSTANCEOF, "ldapbeans/bean/LdapBean");
    Label l0 = new Label();
    mv.visitJumpInsn(IFEQ, l0);
    mv.visitVarInsn(ALOAD, 1);
    Label l1 = new Label();
    mv.visitJumpInsn(IFNULL, l1);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKEINTERFACE, "ldapbeans/bean/LdapBean", "getDN", "()Ljava/lang/String;");
    mv.visitVarInsn(ALOAD, 1);
    mv.visitTypeInsn(CHECKCAST, "ldapbeans/bean/LdapBean");
    mv.visitMethodInsn(INVOKEINTERFACE, "ldapbeans/bean/LdapBean", "getDN", "()Ljava/lang/String;");
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z");
    mv.visitJumpInsn(IFEQ, l1);
    mv.visitInsn(ICONST_1);
    mv.visitInsn(IRETURN);
    mv.visitLabel(l1);
    mv.visitInsn(ICONST_0);
    mv.visitInsn(IRETURN);
    mv.visitLabel(l0);
    mv.visitInsn(ICONST_0);
    mv.visitInsn(IRETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:ldapbeans.bean.LdapBeanClassManager.java

License:LGPL

/**
 * Generate a method of the generated class
 * /*  w w  w.j  a  v  a  2s  .  c om*/
 * @param p_ClassWriter
 *            The {@link ClassWriter} of the generated class
 * @param p_ClassName
 *            The name of the class
 * @param p_Method
 *            the method to generate
 * @param p_MethodDescriptor
 *            The method descriptor
 * @param p_LineNumber
 *            Line number of the method (used for debug)
 */
private void generateMethod(ClassWriter p_ClassWriter, String p_ClassName, Method p_Method,
        String p_MethodDescriptor, final int p_LineNumber) {
    Class<?> returnType = p_Method.getReturnType();
    Class<?>[] parameterTypes = p_Method.getParameterTypes();
    LdapAttribute ldapAttribute = LdapBeanHelper.getInstance().getLdapAttribute(p_Method);

    MethodVisitor mv = p_ClassWriter.visitMethod(ACC_PUBLIC, p_Method.getName(), p_MethodDescriptor, null,
            null);
    if (CONFIG.isDebugLineNumberEnabled()) {
        // Add line number debug information
        mv = new MethodAdapter(mv) {
            private int m_LineNumber = p_LineNumber;

            public void visitLineNumber(int p_Line, Label p_Start) {
            }

            public void visitLabel(Label p_Label) {
                Label l0 = new Label();
                super.visitLabel(l0);
                super.visitLineNumber(m_LineNumber++, l0);
                super.visitLabel(p_Label);
            };

            public void visitVarInsn(int p_Opcode, int p_Var) {
                Label l0 = new Label();
                super.visitLabel(l0);
                super.visitLineNumber(m_LineNumber++, l0);
                super.visitVarInsn(p_Opcode, p_Var);
            }
        };
    }
    mv.visitCode();
    if (void.class.equals(returnType) && (parameterTypes.length > 0)) {
        // It must be a setter
        generateMethodSetter(mv, p_ClassName, p_Method, ldapAttribute, parameterTypes);
    } else if ((!void.class.equals(returnType)) && (parameterTypes.length == 0)) {
        // It must be a getter
        generateMethodGetter(mv, p_ClassName, ldapAttribute, returnType);
    } else {
        throw new UnsupportedOperationException();
    }
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}