Java Code Examples for org.apache.bcel.generic.FieldInstruction#getOpcode()

The following examples show how to use org.apache.bcel.generic.FieldInstruction#getOpcode() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: Hierarchy.java From spotbugs with GNU Lesser General Public License v2.1

6 votes

/**
 * Look up the field referenced by given FieldInstruction, returning it as
 * an {@link XField XField} object.
 *
 * @param fins
 *            the FieldInstruction
 * @param cpg
 *            the ConstantPoolGen used by the class containing the
 *            instruction
 * @return an XField object representing the field, or null if no such field
 *         could be found
 */
public static @CheckForNull XField findXField(FieldInstruction fins, @Nonnull ConstantPoolGen cpg) {

    String className = fins.getClassName(cpg);
    String fieldName = fins.getFieldName(cpg);
    String fieldSig = fins.getSignature(cpg);

    boolean isStatic = (fins.getOpcode() == Const.GETSTATIC || fins.getOpcode() == Const.PUTSTATIC);

    XField xfield = findXField(className, fieldName, fieldSig, isStatic);
    short opcode = fins.getOpcode();
    if (xfield != null && xfield.isResolved()
            && xfield.isStatic() == (opcode == Const.GETSTATIC || opcode == Const.PUTSTATIC)) {
        return xfield;
    } else {
        return null;
    }
}

Example 2

Source File: XFactory.java From spotbugs with GNU Lesser General Public License v2.1

5 votes

public static XField createXField(FieldInstruction fieldInstruction, ConstantPoolGen cpg) {
    String className = fieldInstruction.getClassName(cpg);
    String fieldName = fieldInstruction.getName(cpg);
    String fieldSig = fieldInstruction.getSignature(cpg);

    int opcode = fieldInstruction.getOpcode();
    return createXField(className, fieldName, fieldSig, opcode == Const.GETSTATIC || opcode == Const.PUTSTATIC);
}

Example 3

Source File: BCELFactory.java From commons-bcel with Apache License 2.0

5 votes

@Override
public void visitFieldInstruction( final FieldInstruction i ) {
    final short opcode = i.getOpcode();
    final String class_name = i.getClassName(_cp);
    final String field_name = i.getFieldName(_cp);
    final Type type = i.getFieldType(_cp);
    _out.println("il.append(_factory.createFieldAccess(\"" + class_name + "\", \"" + field_name
            + "\", " + BCELifier.printType(type) + ", " + CONSTANT_PREFIX
            + Const.getOpcodeName(opcode).toUpperCase(Locale.ENGLISH) + "));");
}