Example usage for org.objectweb.asm MethodVisitor visitIntInsn

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

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Introduction

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

Prototype

public void visitIntInsn(final int opcode, final int operand)

Source Link

Document

Visits an instruction with a single int operand.

Usage

From source file:org.teavm.flavour.regex.bytecode.MatcherClassBuilder.java

License:Apache License

private void generateTransition(MethodVisitor mv, DfaState source, DfaState target) {
    if (source.isTerminal() && source != target) {
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ICONST_M1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, className, "domain", "I");
    }//  w w  w.  ja  va  2 s  .  c  om
    mv.visitIntInsn(Opcodes.SIPUSH, target.getIndex());
    mv.visitVarInsn(Opcodes.ISTORE, 5);
    if (target.isTerminal() && source != target) {
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitIntInsn(Opcodes.SIPUSH, target.getDomains()[0]);
        mv.visitFieldInsn(Opcodes.PUTFIELD, className, "domain", "I");
    }

    debug(mv, "DFA: " + source.getIndex() + " -> " + target.getIndex() + " "
            + Arrays.toString(target.getDomains()));
    if (target.isTerminal()) {
        Label noReluctant = new Label();
        mv.visitVarInsn(Opcodes.ILOAD, 4);
        mv.visitJumpInsn(Opcodes.IFEQ, noReluctant);
        mv.visitIincInsn(2, 1);
        debug(mv, "DFA reached terminal state");
        mv.visitJumpInsn(Opcodes.GOTO, saveLabel);
        mv.visitLabel(noReluctant);
    }
    if (source.getIndex() + 1 == target.getIndex()) {
        mv.visitIincInsn(2, 1);
        generateLengthGuard(mv);
        mv.visitJumpInsn(Opcodes.GOTO, stateLabels[target.getIndex()]);
    } else {
        mv.visitJumpInsn(Opcodes.GOTO, continueLabel);
    }
}

From source file:org.teiid.jboss.rest.RestASMBasedWebArchiveBuilder.java

License:Open Source License

private void buildRestService(String vdbName, int vdbVersion, String modelName, Procedure procedure,
        String method, String uri, ClassWriter cw, String contentType, String charSet,
        boolean passthroughAuth) {

    List<ProcedureParameter> params = new ArrayList<ProcedureParameter>(procedure.getParameters().size());
    boolean usingReturn = false;
    boolean hasLobInput = false;
    for (ProcedureParameter p : procedure.getParameters()) {
        if (p.getType() == Type.In || p.getType() == Type.InOut) {
            params.add(p);/*from  w ww  .  ja v a  2  s.c  o m*/
        } else if (p.getType() == Type.ReturnValue && procedure.getResultSet() == null) {
            usingReturn = true;
        }
        if (!hasLobInput) {
            String runtimeType = p.getRuntimeType();
            hasLobInput = DataTypeManager.isLOB(runtimeType);
        }
    }
    int paramsSize = params.size();
    MethodVisitor mv;

    boolean useMultipart = false;
    if (method.toUpperCase().equals("POST") && hasLobInput) {
        useMultipart = true;
    }

    AnnotationVisitor av0;
    {

        StringBuilder paramSignature = new StringBuilder();
        paramSignature.append("(");
        for (int i = 0; i < paramsSize; i++) {
            paramSignature.append("Ljava/lang/String;");
        }
        paramSignature.append(")");

        if (useMultipart) {
            mv = cw.visitMethod(ACC_PUBLIC, procedure.getName() + contentType.replace('/', '_'),
                    "(Lorg/jboss/resteasy/plugins/providers/multipart/MultipartFormDataInput;)Ljavax/ws/rs/core/StreamingOutput;",
                    null, new String[] { "javax/ws/rs/WebApplicationException" });
        } else {
            mv = cw.visitMethod(ACC_PUBLIC, procedure.getName() + contentType.replace('/', '_'),
                    paramSignature + "Ljavax/ws/rs/core/StreamingOutput;", null,
                    new String[] { "javax/ws/rs/WebApplicationException" });
        }
        {
            av0 = mv.visitAnnotation("Ljavax/ws/rs/Produces;", true);
            {
                AnnotationVisitor av1 = av0.visitArray("value");
                av1.visit(null, contentType);
                av1.visitEnd();
            }
            av0.visitEnd();
        }
        {
            av0 = mv.visitAnnotation("Ljavax/ws/rs/" + method.toUpperCase() + ";", true);
            av0.visitEnd();
        }
        {
            av0 = mv.visitAnnotation("Ljavax/ws/rs/Path;", true);
            av0.visit("value", uri);
            av0.visitEnd();
        }
        {
            av0 = mv.visitAnnotation("Ljavax/annotation/security/PermitAll;", true);
            av0.visitEnd();
        }

        if (useMultipart) {
            av0 = mv.visitAnnotation("Ljavax/ws/rs/Consumes;", true);
            {
                AnnotationVisitor av1 = av0.visitArray("value");
                av1.visit(null, "multipart/form-data");
                av1.visitEnd();
            }
            av0.visitEnd();
        }

        if (!useMultipart) {
            // post only accepts Form inputs, not path params
            HashSet<String> pathParms = getPathParameters(uri);
            for (int i = 0; i < paramsSize; i++) {
                String paramType = "Ljavax/ws/rs/FormParam;";
                if (method.toUpperCase().equals("GET")) {
                    paramType = "Ljavax/ws/rs/QueryParam;";
                }
                if (pathParms.contains(params.get(i).getName())) {
                    paramType = "Ljavax/ws/rs/PathParam;";
                }

                av0 = mv.visitParameterAnnotation(i, paramType, true);
                av0.visit("value", params.get(i).getName());
                av0.visitEnd();
            }
        }

        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        Label l2 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, "java/sql/SQLException");
        mv.visitLabel(l0);

        if (!useMultipart) {
            mv.visitTypeInsn(NEW, "java/util/LinkedHashMap");
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, "java/util/LinkedHashMap", "<init>", "()V");

            mv.visitVarInsn(ASTORE, paramsSize + 1);
            for (int i = 0; i < paramsSize; i++) {
                mv.visitVarInsn(ALOAD, paramsSize + 1);
                mv.visitLdcInsn(params.get(i).getName());
                mv.visitVarInsn(ALOAD, i + 1);
                mv.visitMethodInsn(INVOKEINTERFACE, "java/util/Map", "put",
                        "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                mv.visitInsn(POP);
            }
            mv.visitVarInsn(ALOAD, 0);
            mv.visitLdcInsn(vdbName);
            mv.visitIntInsn(BIPUSH, vdbVersion);

            mv.visitLdcInsn(procedure.getSQLString());

            mv.visitVarInsn(ALOAD, paramsSize + 1);
            mv.visitLdcInsn(charSet == null ? "" : charSet);
            mv.visitInsn(passthroughAuth ? ICONST_1 : ICONST_0);
            mv.visitInsn(usingReturn ? ICONST_1 : ICONST_0);
            mv.visitMethodInsn(INVOKEVIRTUAL, "org/teiid/jboss/rest/" + modelName, "execute",
                    "(Ljava/lang/String;ILjava/lang/String;Ljava/util/LinkedHashMap;Ljava/lang/String;ZZ)Ljavax/ws/rs/core/StreamingOutput;");
            mv.visitLabel(l1);
            mv.visitInsn(ARETURN);
            mv.visitLabel(l2);
            mv.visitFrame(F_SAME1, 0, null, 1, new Object[] { "java/sql/SQLException" });
            mv.visitVarInsn(ASTORE, paramsSize + 1);
            mv.visitTypeInsn(NEW, "javax/ws/rs/WebApplicationException");
            mv.visitInsn(DUP);
            mv.visitVarInsn(ALOAD, paramsSize + 1);
            mv.visitFieldInsn(GETSTATIC, "javax/ws/rs/core/Response$Status", "INTERNAL_SERVER_ERROR",
                    "Ljavax/ws/rs/core/Response$Status;");
            mv.visitMethodInsn(INVOKESPECIAL, "javax/ws/rs/WebApplicationException", "<init>",
                    "(Ljava/lang/Throwable;Ljavax/ws/rs/core/Response$Status;)V");
            mv.visitInsn(ATHROW);
            mv.visitMaxs(7, paramsSize + 2);
            mv.visitEnd();
        } else {
            mv.visitVarInsn(ALOAD, 0);
            mv.visitLdcInsn(vdbName);
            mv.visitIntInsn(BIPUSH, vdbVersion);
            mv.visitLdcInsn(procedure.getSQLString());
            mv.visitVarInsn(ALOAD, 1);
            mv.visitLdcInsn(charSet == null ? "" : charSet);
            mv.visitInsn(passthroughAuth ? ICONST_1 : ICONST_0);
            mv.visitInsn(usingReturn ? ICONST_1 : ICONST_0);
            mv.visitMethodInsn(INVOKEVIRTUAL, "org/teiid/jboss/rest/" + modelName, "executePost",
                    "(Ljava/lang/String;ILjava/lang/String;Lorg/jboss/resteasy/plugins/providers/multipart/MultipartFormDataInput;Ljava/lang/String;ZZ)Ljavax/ws/rs/core/StreamingOutput;");
            mv.visitLabel(l1);
            mv.visitInsn(ARETURN);
            mv.visitLabel(l2);
            mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/sql/SQLException" });
            mv.visitVarInsn(ASTORE, 2);
            mv.visitTypeInsn(NEW, "javax/ws/rs/WebApplicationException");
            mv.visitInsn(DUP);
            mv.visitVarInsn(ALOAD, 2);
            mv.visitFieldInsn(GETSTATIC, "javax/ws/rs/core/Response$Status", "INTERNAL_SERVER_ERROR",
                    "Ljavax/ws/rs/core/Response$Status;");
            mv.visitMethodInsn(INVOKESPECIAL, "javax/ws/rs/WebApplicationException", "<init>",
                    "(Ljava/lang/Throwable;Ljavax/ws/rs/core/Response$Status;)V");
            mv.visitInsn(ATHROW);
            mv.visitMaxs(8, 3);
            mv.visitEnd();
        }
    }
}

From source file:org.teiid.jboss.rest.RestASMBasedWebArchiveBuilder.java

License:Open Source License

private void buildQueryProcedure(String vdbName, int vdbVersion, String modelName, String context,
        ClassWriter cw, boolean passthroughAuth) {
    MethodVisitor mv;
    {// w  ww  . j av a2s .  c o m
        AnnotationVisitor av0;
        mv = cw.visitMethod(ACC_PUBLIC, "sqlQuery" + context,
                "(Ljava/lang/String;)Ljavax/ws/rs/core/StreamingOutput;", null, null);
        {
            av0 = mv.visitAnnotation("Ljavax/ws/rs/Produces;", true);
            {
                AnnotationVisitor av1 = av0.visitArray("value");
                av1.visit(null, "application/" + context);
                av1.visitEnd();
            }
            av0.visitEnd();
        }
        {
            av0 = mv.visitAnnotation("Ljavax/ws/rs/POST;", true);
            av0.visitEnd();
        }
        {
            av0 = mv.visitAnnotation("Ljavax/ws/rs/Path;", true);
            av0.visit("value", "/query");
            av0.visitEnd();
        }
        {
            av0 = mv.visitParameterAnnotation(0, "Ljavax/ws/rs/FormParam;", true);
            av0.visit("value", "sql");
            av0.visitEnd();
        }
        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        Label l2 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, "java/sql/SQLException");
        mv.visitLabel(l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitLdcInsn(vdbName);
        mv.visitIntInsn(BIPUSH, vdbVersion);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitInsn(context.equals("xml") ? ICONST_0 : ICONST_1);
        mv.visitInsn(passthroughAuth ? ICONST_1 : ICONST_0);
        mv.visitMethodInsn(INVOKEVIRTUAL, "org/teiid/jboss/rest/" + modelName, "executeQuery",
                "(Ljava/lang/String;ILjava/lang/String;ZZ)Ljavax/ws/rs/core/StreamingOutput;");
        mv.visitLabel(l1);
        mv.visitInsn(ARETURN);
        mv.visitLabel(l2);
        mv.visitFrame(F_SAME1, 0, null, 1, new Object[] { "java/sql/SQLException" });
        mv.visitVarInsn(ASTORE, 2);
        mv.visitTypeInsn(NEW, "javax/ws/rs/WebApplicationException");
        mv.visitInsn(DUP);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitFieldInsn(GETSTATIC, "javax/ws/rs/core/Response$Status", "INTERNAL_SERVER_ERROR",
                "Ljavax/ws/rs/core/Response$Status;");
        mv.visitMethodInsn(INVOKESPECIAL, "javax/ws/rs/WebApplicationException", "<init>",
                "(Ljava/lang/Throwable;Ljavax/ws/rs/core/Response$Status;)V");
        mv.visitInsn(ATHROW);
        mv.visitMaxs(6, 3);
        mv.visitEnd();
    }
}

From source file:org.truelicense.maven.plugin.obfuscation.core.Obfuscator.java

License:Open Source License

private void addComputationMethod(final ConstantStringReference csr) {
    final int access = csr.access;
    final boolean keepField = csr.keepField();
    final boolean isStatic = csr.isStatic();
    final String name = csr.name;
    final String value = csr.value;
    final String lvalue = literal(value);
    final MethodVisitor mv;
    if (keepField && isStatic) {
        mv = cv.visitMethod(access, "<clinit>", "()V", null, null);
        if (null == mv)
            return;
        logger().debug("Adding method <clinit> to compute \"{}\" and put it into field {}.", lvalue, name);
    } else {//from   w ww  . j ava  2 s .  c o m
        mv = cv.visitMethod(access, name, "()Ljava/lang/String;", null, null);
        if (null == mv)
            return;
        logger().debug("Adding method {} to compute \"{}\".", name, lvalue);
    }
    mv.visitCode();
    mv.visitTypeInsn(NEW, OBFUSCATED_STRING_INTERNAL_NAME);
    mv.visitInsn(DUP);
    final long[] obfuscated = array(value);
    addInsn(mv, obfuscated.length);
    mv.visitIntInsn(NEWARRAY, T_LONG);
    for (int i = 0; i < obfuscated.length; i++) {
        mv.visitInsn(DUP);
        addInsn(mv, i);
        mv.visitLdcInsn(obfuscated[i]);
        mv.visitInsn(LASTORE);
    }
    mv.visitMethodInsn(INVOKESPECIAL, OBFUSCATED_STRING_INTERNAL_NAME, "<init>", "([J)V", false);
    mv.visitMethodInsn(INVOKEVIRTUAL, OBFUSCATED_STRING_INTERNAL_NAME, cmn, "()Ljava/lang/String;", false);
    if (keepField && isStatic) {
        mv.visitFieldInsn(PUTSTATIC, internalClassName(), name, "Ljava/lang/String;");
        mv.visitInsn(RETURN);
        mv.visitMaxs(7, 0);
    } else {
        mv.visitInsn(ARETURN);
        mv.visitMaxs(7, isStatic ? 0 : 1);
    }
    mv.visitEnd();
}

From source file:org.truelicense.maven.plugin.obfuscation.core.Obfuscator.java

License:Open Source License

private static void addInsn(final MethodVisitor mv, final int index) {
    switch (index) {
    case 0:/*from ww w.  j  a va 2 s .co  m*/
        mv.visitInsn(ICONST_0);
        break;
    case 1:
        mv.visitInsn(ICONST_1);
        break;
    case 2:
        mv.visitInsn(ICONST_2);
        break;
    case 3:
        mv.visitInsn(ICONST_3);
        break;
    case 4:
        mv.visitInsn(ICONST_4);
        break;
    case 5:
        mv.visitInsn(ICONST_5);
        break;
    default:
        mv.visitIntInsn(BIPUSH, index);
    }
}

From source file:org.ubiquity.mirror.impl.MirrorGenerator.java

License:Apache License

private static void generateConstructor(ClassWriter writer) {
    MethodVisitor visitor = writer.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    visitor.visitIntInsn(ALOAD, 0);
    visitor.visitMethodInsn(INVOKESPECIAL, "org/ubiquity/mirror/impl/AbstractMirror", "<init>", "()V");
    visitor.visitInsn(RETURN);/*from  w w w.  j  a v  a2 s .com*/
    visitor.visitMaxs(1, 1);
    visitor.visitEnd();
}

From source file:org.ubiquity.mirror.impl.MirrorGenerator.java

License:Apache License

private static void mapArrayValue(MethodVisitor visitor, AnnotationProperty property) {
    final String arrayType = property.getDesc().substring(1);
    final String arrayByteCodeName = byteCodeName(arrayType);
    Class concreteClass = toJavaClass(arrayByteCodeName);

    final String arrayBytecodeType = concreteClass.isAnnotation() ? "org/ubiquity/mirror/Annotation"
            : arrayByteCodeName;//from   w  w  w  .  j a v a 2s  . c  o  m
    if (!concreteClass.isPrimitive()) {
        Object[] array = (Object[]) property.getValue();
        visitor.visitLdcInsn(array.length);
        visitor.visitTypeInsn(ANEWARRAY, arrayBytecodeType);

        for (int i = 0; i < array.length; i++) {
            visitor.visitInsn(DUP);
            visitor.visitLdcInsn(i);
            addArrayValueInStack(visitor, array[i], arrayBytecodeType);
            visitor.visitInsn(AASTORE);
        }
    } else {
        final String arrayByteCodeUpperName = property.getDesc().toUpperCase();
        final int length = Array.getLength(property.getValue());
        visitor.visitLdcInsn(length);
        visitor.visitIntInsn(NEWARRAY, PRIMITIVE_ARRAY_CREATION.get(arrayByteCodeUpperName));
        for (int i = 0; i < length; i++) {
            visitor.visitInsn(DUP);
            visitor.visitLdcInsn(i);
            visitor.visitLdcInsn(Array.get(property.getValue(), i));
            visitor.visitInsn(PRIMITIVE_ARRAY_STORE.get(arrayByteCodeUpperName));
        }
    }
}

From source file:org.ubiquity.mirror.impl.MirrorGenerator.java

License:Apache License

private static void createInnerClassConstructor(ClassWriter writer, BytecodeProperty property) {
    MethodVisitor constructor = writer.visitMethod(ACC_PROTECTED, "<init>", "()V", null, null);
    constructor.visitIntInsn(ALOAD, 0);
    constructor.visitLdcInsn(property.getName());
    String propertyObjectName = property.getType();
    if (property.isPrimitive()) {
        propertyObjectName = byteCodeName(Constants.SIMPLE_PROPERTIES.get(getDescription(propertyObjectName)));
    }//from w w  w .jav  a2s.  c  o  m
    constructor.visitLdcInsn(Type.getObjectType(propertyObjectName));
    constructor.visitMethodInsn(INVOKESPECIAL, "org/ubiquity/mirror/impl/AbstractProperty", "<init>",
            "(Ljava/lang/String;Ljava/lang/Class;)V");
    constructor.visitInsn(RETURN);
    constructor.visitMaxs(0, 0);
    constructor.visitEnd();
}

From source file:org.ubiquity.mirror.impl.MirrorGenerator.java

License:Apache License

private static void createGet(ClassWriter writer, BytecodeProperty property, String handledClassName,
        String innerClassName) {/*from w ww .j a va 2s .c  o  m*/
    // Create actual get code
    String resolvedArgumentType = getDescription(property.getTypeGetter());
    if (property.isPrimitive()) {
        resolvedArgumentType = Constants.SIMPLE_PROPERTIES.get(resolvedArgumentType);
    }
    String description = "(" + getDescription(handledClassName) + ")" + resolvedArgumentType;
    MethodVisitor visitor = writer.visitMethod(ACC_PUBLIC, "get", description, null, null);

    visitor.visitIntInsn(ALOAD, 1);
    visitor.visitMethodInsn(INVOKEVIRTUAL, handledClassName, property.getGetter(),
            "()" + getDescription(property.getTypeGetter()));
    if (property.isPrimitive()) {
        visitor.visitMethodInsn(INVOKESTATIC, "org/ubiquity/util/NativeConverter", "convert",
                "(" + property.getType() + ")" + resolvedArgumentType);
    }
    visitor.visitInsn(ARETURN);
    visitor.visitMaxs(0, 0);
    visitor.visitEnd();

    // Create bridge code
    visitor = writer.visitMethod(ACC_PUBLIC | ACC_BRIDGE | ACC_VOLATILE | ACC_SYNTHETIC, "get",
            "(Ljava/lang/Object;)Ljava/lang/Object;", null, null);
    visitor.visitIntInsn(ALOAD, 0);
    visitor.visitIntInsn(ALOAD, 1);
    visitor.visitTypeInsn(CHECKCAST, byteCodeName(handledClassName));
    visitor.visitMethodInsn(INVOKEVIRTUAL, innerClassName, "get", description);
    visitor.visitInsn(ARETURN);
    visitor.visitMaxs(0, 0);
    visitor.visitEnd();
}

From source file:org.ubiquity.mirror.impl.MirrorGenerator.java

License:Apache License

private static void createSet(ClassWriter writer, BytecodeProperty property, String handledClassName,
        String innerClassName) {//from w w w  . j  a  v  a2 s .c  o  m
    // Create actual code
    String resolvedArgumentType = getDescription(property.getTypeSetter());
    if (property.isPrimitive()) {
        resolvedArgumentType = Constants.SIMPLE_PROPERTIES.get(resolvedArgumentType);
    }
    String description = "(" + getDescription(handledClassName) + resolvedArgumentType + ")V";
    MethodVisitor visitor = writer.visitMethod(ACC_PUBLIC, "set", description, null, null);
    visitor.visitIntInsn(ALOAD, 1);
    visitor.visitIntInsn(ALOAD, 2);
    if (property.isPrimitive()) {
        visitor.visitMethodInsn(INVOKESTATIC, "org/ubiquity/util/NativeConverter", "convert",
                "(" + resolvedArgumentType + ")" + property.getType());
    }
    visitor.visitMethodInsn(INVOKEVIRTUAL, handledClassName, property.getSetter(),
            "(" + getDescription(property.getTypeSetter()) + ")V");
    visitor.visitInsn(RETURN);
    visitor.visitMaxs(0, 0);
    visitor.visitEnd();

    // create bridge
    visitor = writer.visitMethod(ACC_PUBLIC | ACC_BRIDGE | ACC_VOLATILE | ACC_SYNTHETIC, "set",
            "(Ljava/lang/Object;Ljava/lang/Object;)V", null, null);
    visitor.visitIntInsn(ALOAD, 0);
    visitor.visitIntInsn(ALOAD, 1);
    visitor.visitTypeInsn(CHECKCAST, handledClassName);
    visitor.visitIntInsn(ALOAD, 2);
    visitor.visitTypeInsn(CHECKCAST, byteCodeName(resolvedArgumentType));
    visitor.visitMethodInsn(INVOKEVIRTUAL, innerClassName, "set", description);
    visitor.visitInsn(RETURN);
    visitor.visitMaxs(0, 0);
    visitor.visitEnd();
}