Examples of GetStatic

com.sun.org.apache.bcel.internal.generic.GETSTATIC
GETSTATIC - Fetch static field from class
```
Stack: ..., -> ..., value
```
OR
```
Stack: ..., -> ..., value.word1, value.word2
```
@author M. Dahm
jbe.micro.GetStatic
org.apache.bcel.generic.GETSTATIC
GETSTATIC - Fetch static field from class
```
Stack: ..., -> ..., value
```
OR
```
Stack: ..., -> ..., value.word1, value.word2
```
@version $Id: GETSTATIC.java,v 1.1.1.1 2001/10/29 20:00:13 jvanzyl Exp $ @author M. Dahm

Examples of org.apache.bcel.generic.GETSTATIC

        final int offset = xsltc.addCharacterData(_text);
        final int length = _text.length();
        String charDataFieldName =
            STATIC_CHAR_DATA_FIELD + (xsltc.getCharacterDataCount()-1);


        il.append(new GETSTATIC(cpg.addFieldref(xsltc.getClassName(),
                                       charDataFieldName,
                                       STATIC_CHAR_DATA_FIELD_SIG)));
        il.append(new PUSH(cpg, offset));
        il.append(new PUSH(cpg, _text.length()));
    }

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Examples of org.apache.bcel.generic.GETSTATIC

        Instruction ins = location.getHandle().getInstruction();
        if (ins.getOpcode() != Constants.GETSTATIC) {
            return null;
        }


        GETSTATIC getstatic = (GETSTATIC) ins;
        if (!className.equals(getstatic.getClassName(cpg)) || !fieldName.equals(getstatic.getName(cpg))
                || !fieldSig.equals(getstatic.getSignature(cpg))) {
            return null;
        }


        return new Stream(location, type.getClassName(), streamBaseClass).setIgnoreImplicitExceptions(true).setIsOpenOnCreation(
                true);

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Examples of org.apache.bcel.generic.GETSTATIC


            Location prev = getPreviousLocation(cfg, location, true);
            if (prev != null) {
                Location prev2 = getPreviousLocation(cfg, prev, true);
                if (prev2 != null && prev2.getHandle().getInstruction() instanceof GETSTATIC) {
                    GETSTATIC getStatic = (GETSTATIC) prev2.getHandle().getInstruction();
                    if (getStatic.getSignature(cpg).equals("[Ljava/lang/String;")) {
                        return true;
                    }
                }
            }
        }

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Examples of org.apache.bcel.generic.GETSTATIC

    int             _in = cp.addFieldref(class_name, "_in", "Ljava/io/BufferedReader;");


    int             out = cp.addFieldref("java.lang.System", "out",
           "Ljava/io/PrintStream;");


    il.append(new GETSTATIC(out));
    il.append(new PUSH(cp, "Please enter a number> "));
    il.append(new INVOKEVIRTUAL(cp.addMethodref("java.io.PrintStream",
            "print",
            "(Ljava/lang/String;)V")));
    il.append(new GETSTATIC(_in));
    il.append(new INVOKEVIRTUAL(cp.addMethodref("java.io.BufferedReader",
            "readLine",
            "()Ljava/lang/String;")));
    il.append(new INVOKESTATIC(cp.addMethodref("java.lang.Integer",
            "parseInt",
            "(Ljava/lang/String;)I")));
    il.append(InstructionConstants.IRETURN);


    /* private static final int _readInt() throws IOException
     */
    method = new MethodGen(ACC_STATIC | ACC_PRIVATE | ACC_FINAL,
         Type.INT, Type.NO_ARGS, null,
         "_readInt", class_name, il, cp);


    method.addException("java.io.IOException");


    method.setMaxStack(2);
    class_gen.addMethod(method.getMethod());


    /* private static final int _writeInt(int i) throws IOException
     */
    Type[]   args = { Type.INT };
    String[] argv = { "i" } ;
    il = new InstructionList();
    il.append(new GETSTATIC(out));
    il.append(new NEW(cp.addClass("java.lang.StringBuffer")));
    il.append(InstructionConstants.DUP);
    il.append(new PUSH(cp, "Result: "));
    il.append(new INVOKESPECIAL(cp.addMethodref("java.lang.StringBuffer",
            "<init>",
            "(Ljava/lang/String;)V")));


    il.append(new ILOAD(0));
    il.append(new INVOKEVIRTUAL(cp.addMethodref("java.lang.StringBuffer",
            "append",
            "(I)Ljava/lang/StringBuffer;")));


    il.append(new INVOKEVIRTUAL(cp.addMethodref("java.lang.StringBuffer",
            "toString",
            "()Ljava/lang/String;")));
    
    il.append(new INVOKEVIRTUAL(cp.addMethodref("java.io.PrintStream",
            "println",
            "(Ljava/lang/String;)V")));
    il.append(new PUSH(cp, 0));
    il.append(InstructionConstants.IRETURN); // Reuse objects, if possible


    method = new MethodGen(ACC_STATIC | ACC_PRIVATE | ACC_FINAL,
         Type.INT, args, argv,
         "_writeInt", class_name, il, cp);


    method.setMaxStack(4);
    class_gen.addMethod(method.getMethod());


    /* public <init> -- constructor
     */
    il.dispose(); // Dispose instruction handles for better memory utilization


    il = new InstructionList();
    il.append(new ALOAD(0)); // Push `this'
    il.append(new INVOKESPECIAL(cp.addMethodref("java.lang.Object",
            "<init>", "()V")));
    il.append(new RETURN());


    method = new MethodGen(ACC_PUBLIC, Type.VOID, Type.NO_ARGS, null,
         "<init>", class_name, il, cp);
    
    method.setMaxStack(1);
    class_gen.addMethod(method.getMethod());


    /* class initializer
     */
    il.dispose(); // Dispose instruction handles for better memory utilization
    il = new InstructionList();
    il.append(new NEW(cp.addClass("java.io.BufferedReader")));
    il.append(InstructionConstants.DUP);
    il.append(new NEW(cp.addClass("java.io.InputStreamReader")));
    il.append(InstructionConstants.DUP);
    il.append(new GETSTATIC(cp.addFieldref("java.lang.System", "in",
             "Ljava/io/InputStream;")));
    il.append(new INVOKESPECIAL(cp.addMethodref("java.io.InputStreamReader",
            "<init>", "(Ljava/io/InputStream;)V")));
    il.append(new INVOKESPECIAL(cp.addMethodref("java.io.BufferedReader",
            "<init>", "(Ljava/io/Reader;)V")));

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Examples of org.apache.bcel.generic.GETSTATIC

                    boolean foundDeadClassInitialization = false;
                    String initializationOf = null;
                    if (prevIns instanceof ConstantPushInstruction) {
                        continue; // not an interesting dead store
                    } else if (prevIns instanceof GETSTATIC) {
                        GETSTATIC getStatic = (GETSTATIC) prevIns;
                        ConstantPoolGen cpg = methodGen.getConstantPool();
                        foundDeadClassInitialization = getStatic.getFieldName(cpg).startsWith("class$")
                                && getStatic.getSignature(cpg).equals("Ljava/lang/Class;");
                        for (Iterator<Location> j = cfg.locationIterator(); j.hasNext();) {
                            Location location2 = j.next();
                            if (location2.getHandle().getPosition() + 15 == location.getHandle().getPosition()) {
                                Instruction instruction2 = location2.getHandle().getInstruction();
                                if (instruction2 instanceof LDC) {

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Examples of org.apache.bcel.generic.GETSTATIC


        if (ins instanceof InvokeInstruction) {
            return isAssertionCall((InvokeInstruction) ins);
        }
        if (ins instanceof GETSTATIC) {
            GETSTATIC getStatic = (GETSTATIC) ins;
            String className = getStatic.getClassName(cpg);
            String fieldName = getStatic.getFieldName(cpg);
            if (className.equals("java.util.logging.Level") && fieldName.equals("SEVERE")) {
                return true;
            }
            if (className.equals("org.apache.log4j.Level") && (fieldName.equals("ERROR") || fieldName.equals("FATAL"))) {
                return true;

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Examples of org.apache.bcel.generic.GETSTATIC

                        int index = getIndex(field);
                        if (field.isStatic()) {
                            if (isSetter) {
                                replacement = new PUTSTATIC(index);
                            } else {
                                replacement = new GETSTATIC(index);
                            }
                        } else {
                            if (isSetter) {
                                replacement = new PUTFIELD(index);
                            } else {

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Examples of org.apache.bcel.generic.GETSTATIC

           new Type[] {
             new ObjectType("java.awt.event.ActionEvent")
           }, null, "actionPerformed", "foo", il, cp);


      // System.out.println("actionPerformed:" + event);
      il.append(new GETSTATIC(out));
      il.append(factory.createNew("java.lang.StringBuffer"));
      il.append(InstructionConstants.DUP);
      il.append(new PUSH(cp, "actionPerformed:"));
      il.append(factory.createInvoke("java.lang.StringBuffer", "<init>", Type.VOID,
             new Type[] {Type.STRING}, Constants.INVOKESPECIAL));

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Examples of org.apache.bcel.generic.GETSTATIC

     */
    String mesg = "Hello from " + Utility.methodSignatureToString(m.getSignature(),
                  name, 
                  Utility.accessToString(flags));
    InstructionList patch  = new InstructionList();
    patch.append(new GETSTATIC(out));
    patch.append(new PUSH(cp, mesg));
    patch.append(new INVOKEVIRTUAL(println));
    
    MethodGen           mg  = new MethodGen(m, class_name, cp);
    InstructionList     il  = mg.getInstructionList();

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Examples of org.apache.bcel.generic.GETSTATIC

  il.append(InstructionConstants.POP); pop(); // Remove last element on stack
  end = il.append(InstructionConstants.RETURN); // Use instruction constants, if possible


  // catch
  handler = il.append(new ASTORE(slot)); // save exception object
  il.append(new GETSTATIC(cp.addFieldref("java.lang.System", "err",
                 "Ljava/io/PrintStream;")));
  il.append(new ALOAD(slot)); push(2);
  il.append(new INVOKEVIRTUAL(cp.addMethodref("java.io.PrintStream",
            "println",
            "(Ljava/lang/Object;)V")));

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