Example usage for org.objectweb.asm Opcodes ILOAD

Introduction

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

Prototype

int ILOAD

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

Click Source Link

Usage

From source file:org.apache.felix.scrplugin.helper.ClassModifier.java

License:Apache License

private static void createMethod(final ClassWriter cw, final String className, final String referenceName,
        final String fieldName, final String typeName, final boolean bind) {
    final org.objectweb.asm.Type type = org.objectweb.asm.Type.getType("L" + typeName.replace('.', '/') + ";");
    final String methodName = (bind ? "" : "un") + "bind" + referenceName.substring(0, 1).toUpperCase()
            + referenceName.substring(1);
    final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PROTECTED, methodName, "(" + type.toString() + ")V",
            null, null);/*from ww  w  .j  ava 2  s .  c o m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    if (bind) {
        mv.visitVarInsn(type.getOpcode(Opcodes.ILOAD), 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, className.replace('.', '/'), fieldName, type.toString());
    } else {
        mv.visitFieldInsn(Opcodes.GETFIELD, className.replace('.', '/'), fieldName, type.toString());
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        final Label jmpLabel = new Label();
        mv.visitJumpInsn(Opcodes.IF_ACMPNE, jmpLabel);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitFieldInsn(Opcodes.PUTFIELD, className.replace('.', '/'), fieldName, type.toString());
        mv.visitLabel(jmpLabel);
    }
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(2, 2);
}

---

From source file:org.apache.felix.scrplugin.tags.qdox.QDoxJavaClassDescription.java

License:Apache License

protected void createMethod(ClassWriter cw, String propertyName, String typeName, boolean bind) {
    final org.objectweb.asm.Type type = org.objectweb.asm.Type.getType("L" + typeName.replace('.', '/') + ";");
    final String methodName = (bind ? "" : "un") + "bind" + propertyName.substring(0, 1).toUpperCase()
            + propertyName.substring(1);
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PROTECTED, methodName, "(" + type.toString() + ")V", null,
            null);/*  www.  ja  va2 s  .  co  m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    if (bind) {
        mv.visitVarInsn(type.getOpcode(Opcodes.ILOAD), 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, this.getName().replace('.', '/'), propertyName, type.toString());
    } else {
        mv.visitFieldInsn(Opcodes.GETFIELD, this.getName().replace('.', '/'), propertyName, type.toString());
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        final Label jmpLabel = new Label();
        mv.visitJumpInsn(Opcodes.IF_ACMPNE, jmpLabel);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitFieldInsn(Opcodes.PUTFIELD, this.getName().replace('.', '/'), propertyName, type.toString());
        mv.visitLabel(jmpLabel);
    }
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(2, 2);
    // add to qdox
    final JavaParameter param = new JavaParameter(new Type(typeName), "param");
    final JavaParameter[] params = new JavaParameter[] { param };
    final com.thoughtworks.qdox.model.JavaMethod meth = new com.thoughtworks.qdox.model.JavaMethod();
    meth.setName(methodName);
    for (int i = 0; i < params.length; i++) {
        meth.addParameter(params[i]);
    }
    meth.setModifiers(new String[] { "protected" });
    this.javaClass.addMethod(meth);
}

---

From source file:org.apache.maven.shared.dependency.analyzer.asm.DependencyVisitorTest.java

License:Apache License

public void testVisitVarInsn() {
    visitor.visitVarInsn(Opcodes.ILOAD, 0);

    assertNoClasses();
}

---

From source file:org.apache.tuscany.sca.interfacedef.java.jaxrs.CodeGenerationHelper.java

License:Apache License

public static int getLoadOPCode(String signature) {
    if ("Z".equals(signature) || "B".equals(signature) || "C".equals(signature) || "S".equals(signature)
            || "I".equals(signature)) {
        return Opcodes.ILOAD;
    }/*  w w  w  .j  av a  2  s.  c o m*/

    if ("J".equals(signature)) {
        return Opcodes.LLOAD;
    }

    if ("F".equals(signature)) {
        return Opcodes.FLOAD;
    }

    if ("D".equals(signature)) {
        return Opcodes.DLOAD;
    }

    return Opcodes.ALOAD;

}

---

From source file:org.batoo.jpa.core.impl.instance.Enhancer.java

License:Open Source License

private static void createContainerConstructor(final String enhancingClassName, final String enhancedClassName,
        final String descEnhancer, final ClassWriter cw) {
    final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, Enhancer.CONSTRUCTOR_INIT,
            Enhancer.makeDescription(Void.TYPE, Class.class, SessionImpl.class, Object.class, Boolean.TYPE),
            null, null);// w ww  . j  a  v a2 s  .c  o m
    mv.visitCode();

    final Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, enhancingClassName, Enhancer.CONSTRUCTOR_INIT,
            Enhancer.makeDescription(Void.TYPE));

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_TYPE,
            Enhancer.DESCRIPTOR_CLASS);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitFieldInsn(Opcodes.PUTFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_SESSION,
            Enhancer.DESCRIPTOR_SESSION);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitFieldInsn(Opcodes.PUTFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_ID,
            Enhancer.DESCRIPTOR_OBJECT);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ILOAD, 4);
    mv.visitFieldInsn(Opcodes.PUTFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_INITIALIZED,
            Enhancer.DESCRIPTOR_BOOLEAN);

    mv.visitInsn(Opcodes.RETURN);

    final Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLocalVariable(Enhancer.THIS, descEnhancer, null, l0, l1, 0);
    mv.visitLocalVariable("type", Enhancer.DESCRIPTOR_CLASS, null, l0, l1, 1);
    mv.visitLocalVariable("session", Enhancer.DESCRIPTOR_SESSION, null, l0, l1, 2);
    mv.visitLocalVariable("id", Enhancer.DESCRIPTOR_OBJECT, null, l0, l1, 3);
    mv.visitLocalVariable("initialized", Enhancer.DESCRIPTOR_BOOLEAN, null, l0, l1, 4);
    mv.visitMaxs(0, 0);

    mv.visitEnd();
}

---

From source file:org.batoo.jpa.core.impl.instance.Enhancer.java

License:Open Source License

private static void createMethodSetInternal(final String enhancedClassName, final String descEnhancer,
        final ClassWriter cw) {
    final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, Enhancer.METHOD_ENHANCED_SET_INTERNAL,
            Enhancer.makeDescription(Void.TYPE, Boolean.TYPE), null, null);
    mv.visitCode();//from w  w w  . jav  a2s.c  o  m

    final Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ILOAD, 1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_INTERNAL,
            Enhancer.DESCRIPTOR_BOOLEAN);

    mv.visitInsn(Opcodes.RETURN);

    final Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLocalVariable(Enhancer.THIS, descEnhancer, null, l0, l1, 0);
    mv.visitLocalVariable("internal", Enhancer.DESCRIPTOR_BOOLEAN, null, l0, l1, 1);
    mv.visitMaxs(0, 0);
    mv.visitEnd();

    //      final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "__enhanced__$$__setInternalCall", "(Z)V", null, null);
    //      mv.visitCode();
    //      final Label l0 = new Label();
    //      mv.visitLabel(l0);
    //      mv.visitLineNumber(81, l0);
    //      mv.visitVarInsn(Opcodes.ALOAD, 0);
    //      mv.visitVarInsn(Opcodes.ILOAD, 1);
    //      mv.visitFieldInsn(Opcodes.PUTFIELD, descEnhancer, Enhancer.FIELD_ENHANCED_INTERNAL, Enhancer.DESCRIPTOR_BOOLEAN);
    //      final Label l1 = new Label();
    //      mv.visitLabel(l1);
    //      mv.visitLineNumber(82, l1);
    //      mv.visitInsn(Opcodes.RETURN);
    //      final Label l2 = new Label();
    //      mv.visitLabel(l2);
    //      mv.visitLocalVariable("this", descEnhancer, null, l0, l2, 0);
    //      mv.visitLocalVariable("internal", "Z", null, l0, l2, 1);
    //      mv.visitMaxs(2, 2);
    //      mv.visitEnd();
}

---

From source file:org.batoo.jpa.core.impl.instance.Enhancer.java

License:Open Source License

private static int getLoadType(Class<?> paramClass) {
    if (!paramClass.isPrimitive() || paramClass.isArray()) {
        return Opcodes.ALOAD;
    }// w  w  w.j  a  v  a 2 s .co m

    if (Long.TYPE == paramClass) {
        return Opcodes.LLOAD;
    }

    if (Float.TYPE == paramClass) {
        return Opcodes.FLOAD;
    }

    if (Double.TYPE == paramClass) {
        return Opcodes.DLOAD;
    }

    return Opcodes.ILOAD;
}

---

From source file:org.boretti.drools.integration.drools5.DroolsAbstractMethodVisitor.java

License:Open Source License

private void addCondition(boolean preCondition, String type, String resourceName, Type error) {
    droolsGoalExecutionLog.getLogs()/*from   w  w w .  j  av a 2s.co  m*/
            .add(new DroolsGoalExecutionLog(droolsGoalExecutionLog.getFileName(),
                    droolsGoalExecutionLog.getAction(), "Method instrumentalization for "
                            + ((preCondition) ? "pre" : "post") + "-condition " + name + "/" + desc));
    visitor.setMethodChange(true);
    Type types[] = Type.getArgumentTypes(super.methodDesc);
    //runPreCondition
    this.visitVarInsn(Opcodes.ALOAD, 0);
    this.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getObjectType(parent).getInternalName(), "getClass",
            "()Ljava/lang/Class;");
    if (type == null)
        type = "COMPILED";
    this.visitFieldInsn(Opcodes.GETSTATIC, Type.getInternalName(DroolsServiceType.class), type,
            Type.getDescriptor(DroolsServiceType.class));
    this.visitLdcInsn(resourceName);
    this.visitLdcInsn(error);
    this.visitVarInsn(Opcodes.ALOAD, 0);
    this.visitIntInsn(Opcodes.BIPUSH, types.length);
    this.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/Object");
    int position = 1;
    for (int i = 0; i < types.length; i++) {
        this.visitInsn(Opcodes.DUP);
        this.visitIntInsn(Opcodes.BIPUSH, i);
        if (types[i].equals(Type.BOOLEAN_TYPE)) {
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Boolean.class), "valueOf",
                    "(Z)Ljava/lang/Boolean;");
            position += 1;
        } else if (types[i].equals(Type.BYTE_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Byte");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Byte.class), "<init>", "(B)V");
            position += 1;
        } else if (types[i].equals(Type.CHAR_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Character");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Character.class), "<init>",
                    "(C)V");
            position += 1;
        } else if (types[i].equals(Type.DOUBLE_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Double");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.DLOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Double.class), "<init>", "(D)V");
            position += 2;
        } else if (types[i].equals(Type.FLOAT_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Float");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.FLOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Float.class), "<init>", "(F)V");
            position += 1;
        } else if (types[i].equals(Type.INT_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Integer");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Integer.class), "<init>", "(I)V");
            position += 1;
        } else if (types[i].equals(Type.LONG_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Long");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.LLOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Long.class), "<init>", "(J)V");
            position += 2;
        } else if (types[i].equals(Type.SHORT_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Short");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Short.class), "<init>", "(S)V");
            position += 1;
        } else {
            this.visitVarInsn(Opcodes.ALOAD, position);
            position += 1;
        }
        this.visitInsn(Opcodes.AASTORE);
    }
    if (preCondition)
        this.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(DroolsProvider.class),
                "runPreCondition",
                "(Ljava/lang/Class;Lorg/boretti/drools/integration/drools5/DroolsServiceType;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Object;[Ljava/lang/Object;)V");
    else
        this.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(DroolsProvider.class),
                "runPostCondition",
                "(Ljava/lang/Class;Lorg/boretti/drools/integration/drools5/DroolsServiceType;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Object;[Ljava/lang/Object;)V");
}

---

From source file:org.brutusin.instrumentation.utils.TreeInstructions.java

License:Apache License

public static VarInsnNode getLoadInst(Type type, int position) {
    int opCode = -1;
    switch (type.getDescriptor().charAt(0)) {
    case 'B':
        opCode = Opcodes.ILOAD;
        break;//from   w  ww  . j a  va 2 s  . c o  m
    case 'C':
        opCode = Opcodes.ILOAD;
        break;
    case 'D':
        opCode = Opcodes.DLOAD;
        break;
    case 'F':
        opCode = Opcodes.FLOAD;
        break;
    case 'I':
        opCode = Opcodes.ILOAD;
        break;
    case 'J':
        opCode = Opcodes.LLOAD;
        break;
    case 'L':
        opCode = Opcodes.ALOAD;
        break;
    case '[':
        opCode = Opcodes.ALOAD;
        break;
    case 'Z':
        opCode = Opcodes.ILOAD;
        break;
    case 'S':
        opCode = Opcodes.ILOAD;
        break;
    default:
        throw new ClassFormatError("Invalid method signature: " + type.getDescriptor());
    }
    return new VarInsnNode(opCode, position);
}

---

From source file:org.cacheonix.impl.transformer.ByteInstruction.java

License:LGPL

/**
 * Computes the Opcode instruction for a given Type <code><code>org.objectweb.asm.Type</code>
 *
 * @param bi ByteInstruction class that contains the ByteCode and StackIndex
 * @param t  instruction for Type <code><code>org.objectweb.asm.Type</code>
 *//*from ww  w  . ja  v  a 2 s.co m*/
public static void getInstruction(final ByteInstruction bi, final Type t) {

    bi.code = t.getOpcode(Opcodes.ILOAD);
    bi.stackIndex = bi.nextStackIndex;
    bi.nextStackIndex += t.getSize();
}

---

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