Examples of org.apache.bcel.generic.GETFIELD

org.apache.bcel.generic.GETFIELD
GETFIELD - Fetch field from object
```
Stack: ..., objectref -> ..., value
```
OR
```
Stack: ..., objectref -> ..., value.word1, value.word2
```
@version $Id: GETFIELD.java 386056 2006-03-15 11:31:56Z tcurdt $ @author M. Dahm

      il.append(classGen.loadTranslet());
      if (classGen.isExternal()) {
    il.append(new CHECKCAST(cpg.addClass(className)));
      }
      il.append(DUP);
      il.append(new GETFIELD(cpg.addFieldref(className, "_dom",
               DOM_INTF_SIG)));


      // Create a new instance of a StringValueHandler
      int index = cpg.addMethodref(STRING_VALUE_HANDLER, "<init>", "()V");
      il.append(new NEW(cpg.addClass(STRING_VALUE_HANDLER)));

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  // DOM adapters containing a result tree are not initialised with
  // translet-type to DOM-type mapping. This must be done now for
  // XPath expressions and patterns to work for the iterator we create.
  il.append(classGen.loadTranslet()); // get names array
  il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
                 NAMES_INDEX,
                 NAMES_INDEX_SIG)));
  il.append(classGen.loadTranslet()); // get namespaces array
  il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
                 NAMESPACE_INDEX,
                 NAMESPACE_INDEX_SIG)));
  // Pass the type mappings to the DOM adapter
  final int mapping = cpg.addInterfaceMethodref(DOM_INTF,
                  "setupMapping",

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  il.append(new PUSH(cpg, getStylesheet().getSystemId()));


  // Feck the rest of the parameters on the stack
  il.append(classGen.loadTranslet());
  il.append(DUP);
  il.append(new GETFIELD(domField));
  il.append(new INVOKESTATIC(docIdx));
    }

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           Util.getJCRefType(DOM_INTF_SIG),
           null, null);
  final String className = classGen.getClassName();
  il.append(filterGen.loadTranslet());
  il.append(new CHECKCAST(cpg.addClass(className)));
  il.append(new GETFIELD(cpg.addFieldref(className,
                 DOM_FIELD, DOM_INTF_SIG)));
  il.append(new ASTORE(local.getIndex()));


  // Store the dom index in the test generator
  testGen.setDomIndex(local.getIndex());

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      }


      // Use getfield if in an inner class
      if (variableClosure != null) {
    il.append(ALOAD_0);
    il.append(new GETFIELD(
        cpg.addFieldref(variableClosure.getInnerClassName(), 
      var.getVariable(), varType.toSignature())));
      }
      else {
    // Use a load of instruction if in translet class

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      il.append(DUP);


      // Get field from factory class
      il.append(ALOAD_0);
      il.append(new GETFIELD(
    cpg.addFieldref(className,
        var.getEscapedName(), varType.toSignature())));


      // Put field in record class
      il.append(new PUTFIELD(

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                 "topLevel",
                 topLevelSig);
      // Push all parameters on the stack and call topLevel()
      il.append(classGen.loadTranslet()); // The 'this' pointer
      il.append(classGen.loadTranslet());
      il.append(new GETFIELD(domField));  // The DOM reference
      il.append(transf.loadIterator());
      il.append(transf.loadHandler());    // The output handler
      il.append(new INVOKEVIRTUAL(topLevelIdx));
  }  


  // start document
  il.append(transf.loadHandler());
  il.append(transf.startDocument());


  // push first arg for applyTemplates
  il.append(classGen.loadTranslet());
  // push translet for GETFIELD to get DOM arg
  il.append(classGen.loadTranslet());
  il.append(new GETFIELD(domField));
  // push remaining 2 args
  il.append(transf.loadIterator());
  il.append(transf.loadHandler());
  il.append(new INVOKEVIRTUAL(applyTemplates));
  // endDocument

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                                // method to copy the value from a field in
                                // CopyLocals to the new local in the outlined
                                // method
                                newMethCopyInIL.append(
                                        InstructionConstants.ALOAD_1);
                                newMethCopyInIL.append(new GETFIELD(fieldRef));
                                newMethCopyInIL.append(
                                        storeLocal(newLocalVarIndex, varType));
                            }


                            if (copyOutLocalValue) {
                                // Generate code for the end of the outlined
                                // method to copy the value from the new local
                                // variable into a field in CopyLocals
                                // method
                                newMethCopyOutIL.append(
                                        InstructionConstants.ALOAD_1);
                                newMethCopyOutIL.append(
                                        loadLocal(newLocalVarIndex, varType));
                                newMethCopyOutIL.append(new PUTFIELD(fieldRef));


                                // Generate code to copy the value from a field
                                // in CopyLocals into a local in the original
                                // method following invocation of the outlined
                                // method.
                                oldMethCopyOutIL.append(
                                        InstructionConstants.DUP);
                                oldMethCopyOutIL.append(new GETFIELD(fieldRef));
                                InstructionHandle copyOutStore =
                                    oldMethCopyOutIL.append(
                                        storeLocal(oldLocalVarIndex, varType));


                                // If the start of the live range of the old

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    il.append(new INVOKESPECIAL(index));
      }
      else {
    // Push name arrays on the stack
    il.append(ALOAD_0);
    il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
             NAMES_INDEX,
             NAMES_INDEX_SIG))); 
    il.append(ALOAD_0);
    il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
             URIS_INDEX,
             URIS_INDEX_SIG))); 
    il.append(ALOAD_0);
    il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
             TYPES_INDEX,
             TYPES_INDEX_SIG))); 
    il.append(ALOAD_0);
    il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
             NAMESPACE_INDEX,
             NAMESPACE_INDEX_SIG)));


    // Initialized DOM adapter
    il.append(new INVOKESPECIAL(index));

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               DOM_INTF_SIG);


  buildKeys.addException("org.apache.xalan.xsltc.TransletException");


  il.append(classGen.loadTranslet());
  il.append(new GETFIELD(domField));  // The DOM reference
  il.append(new ASTORE(1));
  
  final Enumeration elements = elements();
  // Compile code for other top-level elements
  while (elements.hasMoreElements()) {

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