Example usage for org.objectweb.asm Opcodes NEW

Introduction

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

Prototype

int NEW

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

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Usage

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

License:Apache License

/**
 * Creates bytecode in a separate method for evaluating this for each tag part.
 * /* w w  w.j a  va2  s  .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);

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

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

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

    visitor.visitLabel(tryLabel);

    visitor.visitTypeInsn(Opcodes.NEW, "java/text/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 ava2s . 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.nway.spring.jdbc.bean.AsmBeanProcessor.java

License:Apache License

/**
 *
 * /*from   w  ww.ja v a  2  s .  c  o  m*/
 *
 * @param cw
 * @param mv
 * @param processorName com/nway/commons/dbutils/DynamicBeanProcessorImpl
 * @param beanName com/nway/commons/dbutils/test/User
 * @return [0]:bean[1]createBean
 */
private Object[] prepScript(ClassWriter cw, MethodVisitor mv, String processorName, String beanName) {

    Object[] lab = new Object[2];

    cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, processorName, null,
            "com/nway/spring/jdbc/bean/DbBeanFactory", null);

    cw.visitSource(processorName.substring(processorName.lastIndexOf('/') + 1) + ".java", null);

    {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(6, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nway/spring/jdbc/bean/DbBeanFactory", "<init>", "()V",
                false);
        mv.visitInsn(Opcodes.RETURN);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + processorName + ";", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "createBean",
                "(Ljava/sql/ResultSet;Ljava/lang/Class;)Ljava/lang/Object;",
                "<T:Ljava/lang/Object;>(Ljava/sql/ResultSet;Ljava/lang/Class<TT;>;)TT;",
                new String[] { "java/sql/SQLException" });
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(10, l0);
        mv.visitTypeInsn(Opcodes.NEW, beanName);
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, beanName, "<init>", "()V", false);
        mv.visitVarInsn(Opcodes.ASTORE, 3);

        lab[0] = l0;
        lab[1] = mv;
    }

    return lab;
}

---

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

License:Open Source License

/**
 * Calls a constructor with a set of arguments. After execution the stack should have an extra item pushed on it: the object that was
 * created by this constructor.//from   ww w.  j a v a2 s  .c o  m
 * @param constructor constructor to call
 * @param args constructor argument instruction lists -- each instruction list must leave one item on the stack of the type expected
 * by the constructor
 * @return instructions to invoke a constructor
 * @throws NullPointerException if any argument is {@code null} or array contains {@code null}
 * @throws IllegalArgumentException if the length of {@code args} doesn't match the number of parameters in {@code constructor}
 */
public static InsnList construct(Constructor<?> constructor, InsnList... args) {
    Validate.notNull(constructor);
    Validate.notNull(args);
    Validate.noNullElements(args);
    Validate.isTrue(constructor.getParameterCount() == args.length);

    InsnList ret = new InsnList();

    Type clsType = Type.getType(constructor.getDeclaringClass());
    Type methodType = Type.getType(constructor);

    ret.add(new TypeInsnNode(Opcodes.NEW, clsType.getInternalName()));
    ret.add(new InsnNode(Opcodes.DUP));
    for (InsnList arg : args) {
        ret.add(arg);
    }
    ret.add(new MethodInsnNode(Opcodes.INVOKESPECIAL, clsType.getInternalName(), "<init>",
            methodType.getDescriptor(), false));

    return ret;
}

---

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 .co 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.generators.GenericGenerators.java

License:Open Source License

/**
 * Generates instructions to throw an exception of type {@link RuntimeException} with a constant message.
 * @param message message of exception/*from   w ww.  j ava2 s.c o  m*/
 * @return instructions to throw an exception
 * @throws NullPointerException if any argument is {@code null}
 */
public static InsnList throwRuntimeException(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.trigersoft.jaque.expression.ExpressionMethodVisitor.java

License:Apache License

@Override
public void visitTypeInsn(int opcode, String type) {
    Class<?> resultType = _classVisitor.getClass(Type.getObjectType(type));
    Expression e;/*from  www  .  j  av a 2s .c o m*/
    switch (opcode) {
    case Opcodes.NEW:
        e = Expression.constant(null, resultType);
        break;
    case Opcodes.CHECKCAST:
        if (resultType == Object.class)
            // there is no point in casting to object
            return;
        // TODO
        return;
    case Opcodes.ANEWARRAY:
    default:
        throw notLambda(opcode);
    case Opcodes.INSTANCEOF:
        e = Expression.instanceOf(_exprStack.pop(), resultType);
        break;
    }

    _exprStack.push(e);
}

---

From source file:com.yahoo.yqlplus.engine.internal.bytecode.types.gambit.ConstructInvocation.java

@Override
protected void generate(Location loc, CodeEmitter code, List<BytecodeExpression> args) {
    Preconditions.checkArgument(args.size() == getArgumentTypes().size(),
            "exactInvoker argument length mismatch: %s != expected %s", args.size(), getArgumentTypes().size());
    MethodVisitor mv = code.getMethodVisitor();
    List<BytecodeExpression> pre = Lists.newArrayListWithCapacity(args.size());
    CodeEmitter scope = code.createScope();
    for (BytecodeExpression arg : args) {
        pre.add(scope.evaluateOnce(arg));
    }//w  w w .j a  va2  s . c om
    mv.visitTypeInsn(Opcodes.NEW, ownerInternalName);
    mv.visitInsn(Opcodes.DUP);
    for (BytecodeExpression arg : pre) {
        arg.generate(scope);
    }
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, ownerInternalName, "<init>", desc, false);
    scope.endScope();
}

---

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