Example usage for org.objectweb.asm Opcodes ATHROW

List of usage examples for org.objectweb.asm Opcodes ATHROW

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ATHROW.

Prototype

int ATHROW

To view the source code for org.objectweb.asm Opcodes ATHROW.

Click Source Link

Usage

From source file:com.microsoft.applicationinsights.agent.internal.agent.AdvancedAdviceAdapter.java

License:Open Source License

@Override
public void visitMaxs(int maxStack, int maxLocals) {
    visitTryCatchBlock(startTryFinallyBlock, endTryFinallyBlock, endTryFinallyBlock, null);
    mark(endTryFinallyBlock);/*ww w.  jav  a2  s .  c o m*/

    byteCodeForMethodExit(Opcodes.ATHROW);

    mv.visitInsn(Opcodes.ATHROW);
    mv.visitMaxs(maxStack, maxLocals);
}

From source file:com.microsoft.applicationinsights.agent.internal.agent.AdvancedAdviceAdapter.java

License:Open Source License

@Override
protected void onMethodExit(int opcode) {
    if (!reportExecutionTime) {
        return;//  w  w w  .  ja  va  2  s .c  om
    }

    if (opcode != Opcodes.ATHROW) {
        byteCodeForMethodExit(opcode);
    }
}

From source file:com.microsoft.applicationinsights.agent.internal.agent.AdvancedAdviceAdapter.java

License:Open Source License

protected ExitStatus translateExitCode(int opcode) {
    switch (opcode) {
    case Opcodes.ATHROW:
        return ExitStatus.EXIT_WITH_EXCEPTION;

    case Opcodes.IRETURN:
    case Opcodes.FRETURN:
    case Opcodes.LRETURN:
    case Opcodes.DRETURN:
    case Opcodes.ARETURN:
        return ExitStatus.EXIT_WITH_RETURN_VALUE;

    case Opcodes.RETURN:
        return ExitStatus.EXIT_VOID;

    default://  w ww  .j  av  a2  s  .  com
        return ExitStatus.EXIT_UNKNOWN;
    }
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

public void loadInterceptorThrowVar(final InsnList instructions) {
    assertInitializedInterceptorLocalVariables();
    loadVar(instructions, this.throwableVarIndex);
    instructions.add(new InsnNode(Opcodes.ATHROW));
}

From source file:com.nginious.http.xsp.ForEachTagPart.java

License:Apache License

/**
 * Creates bytecode in a separate method for evaluating this for each tag part.
 * /*from  w w w  . ja  va2  s  .co  m*/
 * @param intClassName the binary class name of the class being created
 * @param writer the class writer
 * @throws XspException if unable to create bytecode
 */
void compileMethod(String intClassName, ClassWriter writer) throws XspException {
    String[] exceptions = { "com/nginious/http/xsp/XspException" };
    MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PRIVATE, this.methodName,
            "(Lcom/nginious/http/HttpRequest;Lcom/nginious/http/HttpResponse;Ljava/lang/StringBuffer;)V", null,
            exceptions);
    visitor.visitCode();

    Label tryLabel = new Label();
    Label startCatchLabel = new Label();

    // Start try block
    visitor.visitTryCatchBlock(tryLabel, startCatchLabel, startCatchLabel, "java/lang/Exception");
    visitor.visitLabel(tryLabel);

    try {
        String expression = setValue.getExpressionContent();
        ExpressionParser parser = new ExpressionParser();
        TreeExpression expr = parser.parse(expression);

        if (expr.getType() != Type.ANY) {
            throw new XspException("Expression in attribute set in tag " + getName()
                    + " is not an attribute or bean property " + " at line " + getLocationDescriptor());
        }

        expr.compile(visitor, Type.ANY);
        visitor.visitTypeInsn(Opcodes.CHECKCAST, "java/util/Collection");
        visitor.visitVarInsn(Opcodes.ASTORE, 4);
    } catch (ExpressionException e) {
        throw new XspException("Invalid expression in attribute set in tag " + getName() + " at line "
                + getLocationDescriptor(), e);
    }

    Label labelOut = new Label();
    visitor.visitVarInsn(Opcodes.ALOAD, 4);
    visitor.visitJumpInsn(Opcodes.IFNULL, labelOut);

    // Start
    if (this.start != null) {
        start.compile(visitor, Type.INT);
    } else {
        visitor.visitLdcInsn((int) 0);
    }

    visitor.visitVarInsn(Opcodes.ISTORE, 5);

    // End
    if (this.end != null) {
        end.compile(visitor, Type.INT);
    } else {
        visitor.visitVarInsn(Opcodes.ALOAD, 4);
        visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "size", "()I");
    }

    visitor.visitVarInsn(Opcodes.ISTORE, 6);

    // Step
    if (this.step != null) {
        step.compile(visitor, Type.INT);
    } else {
        visitor.visitLdcInsn((int) 1);
    }

    visitor.visitVarInsn(Opcodes.ISTORE, 7);

    // Current pos
    visitor.visitLdcInsn(0);
    visitor.visitVarInsn(Opcodes.ISTORE, 8);

    visitor.visitVarInsn(Opcodes.ALOAD, 4);
    visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "iterator",
            "()Ljava/util/Iterator;");
    visitor.visitVarInsn(Opcodes.ASTORE, 9);

    Label labelStart = new Label();

    // Start of loop
    visitor.visitLabel(labelStart);

    // iterator.hasNext();
    visitor.visitVarInsn(Opcodes.ALOAD, 9);
    visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "hasNext", "()Z");
    visitor.visitJumpInsn(Opcodes.IFEQ, labelOut);

    // iterator.next();
    visitor.visitVarInsn(Opcodes.ALOAD, 9);
    visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;");
    visitor.visitVarInsn(Opcodes.ASTORE, 10);

    // pos >= start && pos <= end && (pos - start) % step == 0
    Label labelIncr = new Label();

    visitor.visitVarInsn(Opcodes.ILOAD, 8);
    visitor.visitVarInsn(Opcodes.ILOAD, 5);
    visitor.visitJumpInsn(Opcodes.IF_ICMPLT, labelIncr);

    visitor.visitVarInsn(Opcodes.ILOAD, 8);
    visitor.visitVarInsn(Opcodes.ILOAD, 6);
    visitor.visitJumpInsn(Opcodes.IF_ICMPGT, labelIncr);

    visitor.visitVarInsn(Opcodes.ILOAD, 8);
    visitor.visitVarInsn(Opcodes.ILOAD, 5);
    visitor.visitInsn(Opcodes.ISUB);
    visitor.visitVarInsn(Opcodes.ILOAD, 7);
    visitor.visitInsn(Opcodes.IREM);
    visitor.visitJumpInsn(Opcodes.IFNE, labelIncr);

    visitor.visitVarInsn(Opcodes.ALOAD, 1);
    varName.compile(visitor, Type.STRING);
    visitor.visitVarInsn(Opcodes.ALOAD, 10);
    visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpRequest", "setAttribute",
            "(Ljava/lang/String;Ljava/lang/Object;)V");

    // Call sub parts
    for (XspPart part : this.contentParts) {
        part.compile(intClassName, writer, visitor);
    }

    // pos++
    visitor.visitLabel(labelIncr);
    visitor.visitIincInsn(8, 1);
    visitor.visitJumpInsn(Opcodes.GOTO, labelStart);

    visitor.visitLabel(labelOut);
    visitor.visitInsn(Opcodes.RETURN);

    visitor.visitLabel(startCatchLabel);

    visitor.visitVarInsn(Opcodes.ASTORE, 3);
    visitor.visitTypeInsn(Opcodes.NEW, "com/nginious/http/xsp/XspException");
    visitor.visitInsn(Opcodes.DUP);
    visitor.visitLdcInsn("Attribute set contains an invalid collection for tag " + getName() + " at "
            + getLocationDescriptor());
    visitor.visitVarInsn(Opcodes.ALOAD, 3);
    visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nginious/http/xsp/XspException", "<init>",
            "(Ljava/lang/String;Ljava/lang/Throwable;)V");
    visitor.visitInsn(Opcodes.ATHROW);

    visitor.visitMaxs(11, 11);
    visitor.visitEnd();
}

From source file:com.nginious.http.xsp.FormatDateTagPart.java

License:Apache License

/**
 * Creates bytecode in a separate method for evaluating this format date tag part.
 * //from  w  w w . ja v  a  2 s. com
 * @param intClassName the binary class name of the class being created
 * @param writer the class writer
 * @throws XspException if unable to create bytecode
 */
void compileMethod(String intClassName, ClassWriter writer) throws XspException {
    String[] exceptions = { "com/nginious/http/xsp/XspException" };
    MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PRIVATE, this.methodName,
            "(Lcom/nginious/http/HttpRequest;Lcom/nginious/http/HttpResponse;Ljava/lang/StringBuffer;)V", null,
            exceptions);
    visitor.visitCode();

    Label tryLabel = new Label();
    Label startCatchLabel = new Label();

    // Start try block
    visitor.visitTryCatchBlock(tryLabel, startCatchLabel, startCatchLabel, "java/lang/Exception");

    visitor.visitLabel(tryLabel);

    visitor.visitTypeInsn(Opcodes.NEW, "java/text/SimpleDateFormat");
    visitor.visitInsn(Opcodes.DUP);
    pattern.compile(visitor, Type.STRING);
    visitor.visitVarInsn(Opcodes.ALOAD, 2);
    visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpResponse", "getLocale",
            "()Ljava/util/Locale;");
    visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/text/SimpleDateFormat", "<init>",
            "(Ljava/lang/String;Ljava/util/Locale;)V");
    visitor.visitVarInsn(Opcodes.ASTORE, 4);

    if (this.timeZone != null) {
        visitor.visitVarInsn(Opcodes.ALOAD, 4);
        String timeZoneDesc = timeZone.getStringContent();
        visitor.visitLdcInsn(timeZoneDesc);
        visitor.visitMethodInsn(Opcodes.INVOKESTATIC, "java/util/TimeZone", "getTimeZone",
                "(Ljava/lang/String;)Ljava/util/TimeZone;");
        visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/text/SimpleDateFormat", "setTimeZone",
                "(Ljava/util/TimeZone;)V");
    }

    try {
        String expression = value.getExpressionContent();
        ExpressionParser parser = new ExpressionParser();
        TreeExpression expr = parser.parse(expression);

        if (expr.getType() != Type.ANY) {
            throw new XspException("Expression in attribute value in tag " + getName()
                    + " is not an attribute or bean property " + " at line " + getLocationDescriptor());
        }

        expr.compile(visitor, Type.ANY);
        visitor.visitTypeInsn(Opcodes.CHECKCAST, "java/util/Date");
        visitor.visitVarInsn(Opcodes.ASTORE, 5);
    } catch (ExpressionException e) {
        throw new XspException("Invalid expression in attribute value in tag " + getName() + " at line "
                + getLocationDescriptor(), e);
    }

    Label nullLabel = new Label();
    visitor.visitVarInsn(Opcodes.ALOAD, 5);
    visitor.visitJumpInsn(Opcodes.IFNULL, nullLabel);

    visitor.visitVarInsn(Opcodes.ALOAD, 4);
    visitor.visitVarInsn(Opcodes.ALOAD, 5);
    visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/text/SimpleDateFormat", "format",
            "(Ljava/util/Date;)Ljava/lang/String;");
    visitor.visitVarInsn(Opcodes.ASTORE, 5);

    if (this.var != null) {
        visitor.visitVarInsn(Opcodes.ALOAD, 1);
        var.compile(visitor, Type.STRING);
        visitor.visitVarInsn(Opcodes.ALOAD, 5);
        visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpRequest", "setAttribute",
                "(Ljava/lang/String;Ljava/lang/Object;)V");
    } else {
        visitor.visitVarInsn(Opcodes.ALOAD, 3);
        visitor.visitVarInsn(Opcodes.ALOAD, 5);
        visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuffer", "append",
                "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        visitor.visitInsn(Opcodes.POP);
    }

    visitor.visitLabel(nullLabel);
    visitor.visitInsn(Opcodes.RETURN);

    visitor.visitLabel(startCatchLabel);

    visitor.visitVarInsn(Opcodes.ASTORE, 3);
    visitor.visitTypeInsn(Opcodes.NEW, "com/nginious/http/xsp/XspException");
    visitor.visitInsn(Opcodes.DUP);
    visitor.visitLdcInsn(
            "Attribute value contains an invalid date for tag " + getName() + " at " + getLocationDescriptor());
    visitor.visitVarInsn(Opcodes.ALOAD, 3);
    visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nginious/http/xsp/XspException", "<init>",
            "(Ljava/lang/String;Ljava/lang/Throwable;)V");
    visitor.visitInsn(Opcodes.ATHROW);

    visitor.visitMaxs(6, 6);
    visitor.visitEnd();

    super.compileMethod(intClassName, writer);
}

From source file:com.nginious.http.xsp.FormatNumberTagPart.java

License:Apache License

/**
 * Creates bytecode in a separate method for evaluating this format number tag part.
 * /*from  ww w .  j  ava  2s . c  o m*/
 * @param intClassName the binary class name of the class being created
 * @param writer the class writer
 * @throws XspException if unable to create bytecode
 */
void compileMethod(String intClassName, ClassWriter writer) throws XspException {
    String[] exceptions = { "com/nginious/http/xsp/XspException" };
    MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PRIVATE, this.methodName,
            "(Lcom/nginious/http/HttpRequest;Lcom/nginious/http/HttpResponse;Ljava/lang/StringBuffer;)V", null,
            exceptions);
    visitor.visitCode();

    Label tryLabel = new Label();
    Label startCatchLabel = new Label();

    // Start try block
    visitor.visitTryCatchBlock(tryLabel, startCatchLabel, startCatchLabel, "java/lang/Exception");

    visitor.visitLabel(tryLabel);

    visitor.visitTypeInsn(Opcodes.NEW, "java/text/DecimalFormat");
    visitor.visitInsn(Opcodes.DUP);
    pattern.compile(visitor, Type.STRING);
    visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/text/DecimalFormat", "<init>",
            "(Ljava/lang/String;)V");
    visitor.visitVarInsn(Opcodes.ASTORE, 4);

    ExpressionParser parser = null;
    TreeExpression expr = null;

    try {
        String expression = value.getExpressionContent();
        parser = new ExpressionParser();
        expr = parser.parse(expression);

        if (expr.getType() != Type.ANY) {
            throw new XspException("Expression in attribute value in tag " + getName()
                    + " is not an attribute or bean property " + " at line " + getLocationDescriptor());
        }
    } catch (ExpressionException e) {
        throw new XspException("Invalid expression in attribute value in tag " + getName() + " at line "
                + getLocationDescriptor(), e);
    }

    visitor.visitVarInsn(Opcodes.ALOAD, 4);
    expr.compile(visitor, Type.DOUBLE);
    visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/text/DecimalFormat", "format",
            "(D)Ljava/lang/String;");
    visitor.visitVarInsn(Opcodes.ASTORE, 5);

    if (this.var != null) {
        visitor.visitVarInsn(Opcodes.ALOAD, 1);
        var.compile(visitor, Type.STRING);
        visitor.visitVarInsn(Opcodes.ALOAD, 5);
        visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpRequest", "setAttribute",
                "(Ljava/lang/String;Ljava/lang/Object;)V");
    } else {
        visitor.visitVarInsn(Opcodes.ALOAD, 3);
        visitor.visitVarInsn(Opcodes.ALOAD, 5);
        visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuffer", "append",
                "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        visitor.visitInsn(Opcodes.POP);
    }

    visitor.visitInsn(Opcodes.RETURN);

    visitor.visitLabel(startCatchLabel);

    visitor.visitVarInsn(Opcodes.ASTORE, 4);
    visitor.visitTypeInsn(Opcodes.NEW, "com/nginious/http/xsp/XspException");
    visitor.visitInsn(Opcodes.DUP);
    visitor.visitLdcInsn("Attribute value contains an invalid number for tag " + getName() + " at "
            + getLocationDescriptor());
    visitor.visitVarInsn(Opcodes.ALOAD, 4);
    visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nginious/http/xsp/XspException", "<init>",
            "(Ljava/lang/String;Ljava/lang/Throwable;)V");
    visitor.visitInsn(Opcodes.ATHROW);

    visitor.visitMaxs(6, 6);
    visitor.visitEnd();

    super.compileMethod(intClassName, writer);
}

From source file:com.nginious.http.xsp.XspCompiler.java

License:Apache License

/**
 * Creates subclass of {@link XspService} for the XSP file represented by the specified document
 * tree node structure./*from  w w w .j  a v  a  2 s  .  c  o  m*/
 * 
 * @param document the document tree node structure
 * @param srcFilePath the XSP file source path
 * @return a descriptor for the generated subclass
 * @throws XspException if unable to create subclass
 */
private ClassDescriptor compileService(DocumentPart document, String srcFilePath) throws XspException {
    ClassWriter writer = new ClassWriter(0);

    // Create class
    String packageName = document.getMetaContent("package");
    String intServiceClazzName = createIntServiceClassName(packageName, srcFilePath);
    String serviceClazzName = createServiceClassName(packageName, srcFilePath);
    writer.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, intServiceClazzName, "Lcom/nginious/http/xsp/XspService;",
            "com/nginious/http/xsp/XspService", null);

    // Create constructor
    createConstructor(writer, "com/nginious/http/xsp/XspService");

    // Create xsp service method
    MethodVisitor visitor = createXspMethod(writer);

    Label tryLabel = new Label();
    Label startCatchLabel = new Label();
    Label endCatchLabel = new Label();

    // Start try block
    visitor.visitTryCatchBlock(tryLabel, startCatchLabel, endCatchLabel, "java/lang/Throwable");

    visitor.visitLabel(tryLabel);

    visitor.visitTypeInsn(Opcodes.NEW, "com/nginious/http/xsp/expr/HttpRequestVariables");
    visitor.visitInsn(Opcodes.DUP);
    visitor.visitVarInsn(Opcodes.ALOAD, 1);
    visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nginious/http/xsp/expr/HttpRequestVariables", "<init>",
            "(Lcom/nginious/http/HttpRequest;)V");
    visitor.visitMethodInsn(Opcodes.INVOKESTATIC, "com/nginious/http/xsp/expr/Expression", "setVariables",
            "(Lcom/nginious/http/xsp/expr/Variables;)V");

    document.compile(intServiceClazzName, writer, visitor);

    visitor.visitLabel(startCatchLabel);
    visitor.visitMethodInsn(Opcodes.INVOKESTATIC, "com/nginious/http/xsp/expr/Expression", "removeVariables",
            "()V");

    visitor.visitLdcInsn(true);
    visitor.visitInsn(Opcodes.IRETURN);

    // Start finally block
    visitor.visitLabel(endCatchLabel);
    visitor.visitMethodInsn(Opcodes.INVOKESTATIC, "com/nginious/http/xsp/expr/Expression", "removeVariables",
            "()V");
    visitor.visitInsn(Opcodes.ATHROW);

    visitor.visitMaxs(12, 12);
    visitor.visitEnd();

    document.compileMethod(intServiceClazzName, writer);

    writer.visitEnd();
    byte[] clazzBytes = writer.toByteArray();
    return new ClassDescriptor(serviceClazzName, clazzBytes);
}

From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java

License:Open Source License

/**
 * Generates instructions to throw an exception of type {@link RuntimeException} with a constant message.
 * @param message message of exception/*ww  w.  j a v  a  2 s .c o  m*/
 * @return instructions to throw an exception
 * @throws NullPointerException if any argument is {@code null}
 */
public static InsnList throwException(String message) {
    Validate.notNull(message);

    InsnList ret = new InsnList();

    ret.add(new TypeInsnNode(Opcodes.NEW, "java/lang/RuntimeException"));
    ret.add(new InsnNode(Opcodes.DUP));
    ret.add(new LdcInsnNode(message));
    ret.add(new MethodInsnNode(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException", "<init>",
            "(Ljava/lang/String;)V", false));
    ret.add(new InsnNode(Opcodes.ATHROW));

    return ret;
}

From source file:com.offbynull.coroutines.instrumenter.ContinuationPointInstructionUtils.java

License:Open Source License

static InsnList throwThrowableInVariable(Variable variable) {
    Validate.notNull(variable);//  ww w .ja  v  a  2s . com
    Validate.isTrue(variable.getType().equals(Type.getType(Object.class)));

    InsnList ret = new InsnList();

    ret.add(loadVar(variable)); // load it in to the returnValObj
    ret.add(new TypeInsnNode(Opcodes.CHECKCAST, "java/lang/Throwable"));
    ret.add(new InsnNode(Opcodes.ATHROW));

    return ret;
}