Examples of INVOKEVIRTUAL

com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL
INVOKEVIRTUAL - Invoke instance method; dispatch based on class
```
Stack: ..., objectref, [arg1, [arg2 ...]] -> ...
```
@version $Id: INVOKEVIRTUAL.java,v 1.1.2.1 2005/07/31 23:45:19 jeffsuttor Exp $ @author M. Dahm
jbe.micro.InvokeVirtual
org.allspice.bytecode.instructions.InvokeVirtual
The invoke virtual operation: (S,O,A1,A2,...,An) => (S,O.method(A1,A2,...)) Invokes a method on an object using inheritance rules. @author egoff
org.apache.bcel.generic.INVOKEVIRTUAL
INVOKEVIRTUAL - Invoke instance method; dispatch based on class
```
Stack: ..., objectref, [arg1, [arg2 ...]] -> ...
```
@version $Id: INVOKEVIRTUAL.java,v 1.1.1.1 2001/10/29 20:00:17 jvanzyl Exp $ @author M. Dahm

Examples of org.apache.bcel.generic.INVOKEVIRTUAL

      il.append(DUP);
  }
  
  il.append(classGen.loadTranslet());
  il.append(transf.loadDOM());
  il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
                 "makeDOMAdapter",
                 "("+DOM_INTF_SIG+")"+
                 DOM_ADAPTER_SIG)));
  // DOMAdapter is on the stack


  if (isMultiDocument()) {
      final int init = cpg.addMethodref(MULTI_DOM_CLASS,
                "<init>",
                "("+DOM_INTF_SIG+")V");
      il.append(new INVOKESPECIAL(init));
      // MultiDOM is on the stack
  }
  
  //store to _dom variable
  il.append(new PUTFIELD(domField));


  // continue with globals initialization
  il.append(new PUSH(cpg, DOM.ROOTNODE));
  il.append(new ISTORE(current.getIndex()));


  // Transfer the output settings to the output post-processor
  il.append(classGen.loadTranslet());
  il.append(transf.loadHandler());
  final int index = cpg.addMethodref(TRANSLET_CLASS,
             "transferOutputSettings",
             "("+OUTPUT_HANDLER_SIG+")V");
  il.append(new INVOKEVIRTUAL(index));


  // Compile buildKeys -- TODO: omit if not needed
  final String keySig = compileBuildKeys(classGen);
  final int    keyIdx = cpg.addMethodref(getClassName(),
                 "buildKeys", keySig);
  il.append(classGen.loadTranslet());     // The 'this' pointer
  il.append(classGen.loadTranslet());
  il.append(new GETFIELD(domField));      // The DOM reference
  il.append(transf.loadIterator());       // Not really used, but...
  il.append(transf.loadHandler());        // The output handler
  il.append(new PUSH(cpg, DOM.ROOTNODE)); // Start with the root node
  il.append(new INVOKEVIRTUAL(keyIdx));


  // Look for top-level elements that need handling
  final Enumeration toplevel = elements();
  if ((_globals.size() > 0) || (toplevel.hasMoreElements())) {
      // Compile method for handling top-level elements
      final String topLevelSig = compileTopLevel(classGen, toplevel);
      // Get a reference to that method
      final int topLevelIdx = cpg.addMethodref(getClassName(),
                 "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
  il.append(transf.loadHandler());
  il.append(transf.endDocument());


  il.append(RETURN);

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

        }
        Instruction nextNextNextInstruction = nextNextNextHandle.getInstruction();
        if (!(nextNextNextInstruction instanceof INVOKEVIRTUAL)) {
            return false;
        }
        INVOKEVIRTUAL invokeVirtual = (INVOKEVIRTUAL) nextNextNextInstruction;
        String methodName = invokeVirtual.getMethodName(classContext.getConstantPoolGen());
        String methodSig = invokeVirtual.getSignature(classContext.getConstantPoolGen());
        if (!methodName.equals("close")) {
            return false;
        }
        if (!methodSig.equals("()V")) {
            return false;

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

      if (rule.getStrength() == RULE_NAMESPACE) {
    il.append(new ALOAD(paramDom));
    il.append(new ILOAD(paramCurrent));
    il.append(new INVOKEINTERFACE(gns,2));
    il.append(new PUSH(cpg, rule.getNamespace()));
    il.append(new INVOKEVIRTUAL(strcmp));
    il.append(ICONST_0);


    if (rule.getAction() == STRIP_SPACE) {
        strip[sCount++] = il.append(new IF_ICMPEQ(null));
    }

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

  }
  else {
      il.append(classGen.loadTranslet());
      _select.translate(classGen, methodGen);
      il.append(methodGen.loadHandler());
      il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
               CHARACTERSW,
               CHARACTERSW_SIG)));
  }


    }

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL


  // Call getKeyIndex in AbstractTranslet with the name of the key
  // to get the index for this key (which is also a node iterator).
  il.append(classGen.loadTranslet());
  il.append(new PUSH(cpg,_index));
  il.append(new INVOKEVIRTUAL(getKeyIndex));
  
  // Now use the value in the second argument to determine what nodes
  // the iterator should return.
  il.append(SWAP);
  il.append(new PUSH(cpg,_value));
  if (this instanceof IdPattern)
  {
      il.append(new INVOKEVIRTUAL(lookupId));
  }
  else
  {
      il.append(new INVOKEVIRTUAL(lookupKey));
  }


  _trueList.add(il.append(new IFNE(null)));
  _falseList.add(il.append(new GOTO(null)));
    }

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

  }
  else {
      il.append(methodGen.loadContextNode());
      Type.Node.translateTo(classGen, methodGen, Type.String);
  }
  il.append(new INVOKEVIRTUAL(cpg.addMethodref(STRING_CLASS,
                 "length", "()I")));
    }

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

  // Load the current processing instruction's name
  il.append(methodGen.loadDOM());
  il.append(methodGen.loadCurrentNode());
  il.append(new INVOKEINTERFACE(gname, 2));
  // Compare the two strings
  il.append(new INVOKEVIRTUAL(cmp));
  _falseList.add(il.append(new IFEQ(null)));
    
  // Compile the expressions within the predicates
  if (hasPredicates()) {
      final int n = _predicates.size();

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

  // Generete the value of the parameter (use value in 'select' by def.)
  translateValue(classGen, methodGen);
  // Mark this parameter value is not being the default value
  il.append(new PUSH(cpg, false));
  // Pass the parameter to the template
  il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
                 ADD_PARAMETER,
                 ADD_PARAMETER_SIG)));
  il.append(POP); // cleanup stack
    }

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

        final int charDataCount = getXSLTC().getCharacterDataCount();
        final int toCharArray = cpg.addMethodref(STRING, "toCharArray", "()[C");
        for (int i = 0; i < charDataCount; i++) {
            staticConst.markChunkStart();
            il.append(new PUSH(cpg, getXSLTC().getCharacterData(i)));
            il.append(new INVOKEVIRTUAL(toCharArray));
            il.append(new PUTSTATIC(cpg.addFieldref(_className,
                                               STATIC_CHAR_DATA_FIELD+i,
                                               STATIC_CHAR_DATA_FIELD_SIG)));
            staticConst.markChunkEnd();
        }

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Examples of org.apache.bcel.generic.INVOKEVIRTUAL

      il.append(DUP);
  }
  
  il.append(classGen.loadTranslet());
  il.append(transf.loadDOM());
  il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
                 "makeDOMAdapter",
                 "("+DOM_INTF_SIG+")"+
                 DOM_ADAPTER_SIG)));
  // DOMAdapter is on the stack


  if (isMultiDocument()) {
      final int init = cpg.addMethodref(MULTI_DOM_CLASS,
                "<init>",
                "("+DOM_INTF_SIG+")V");
      il.append(new INVOKESPECIAL(init));
      // MultiDOM is on the stack
  }
  
  //store to _dom variable
  il.append(new PUTFIELD(domField));


  // continue with globals initialization
  final int gitr = cpg.addInterfaceMethodref(DOM_INTF,
              "getIterator",
              "()"+NODE_ITERATOR_SIG);
  il.append(transf.loadDOM());
  il.append(new INVOKEINTERFACE(gitr, 1));
        il.append(transf.nextNode());
  current.setStart(il.append(new ISTORE(current.getIndex())));


  // Transfer the output settings to the output post-processor
  il.append(classGen.loadTranslet());
  il.append(transf.loadHandler());
  final int index = cpg.addMethodref(TRANSLET_CLASS,
             "transferOutputSettings",
             "("+OUTPUT_HANDLER_SIG+")V");
  il.append(new INVOKEVIRTUAL(index));


        /*
         * Compile buildKeys() method. Note that this method is not 
         * invoked here as keys for the input document are now created
         * in topLevel(). However, this method is still needed by the
         * LoadDocument class.
         */        
        final String keySig = compileBuildKeys(classGen);
        final int keyIdx = cpg.addMethodref(getClassName(),
                                               "buildKeys", keySig);
                
        // Look for top-level elements that need handling
  final Enumeration toplevel = elements();
  if (_globals.size() > 0 || toplevel.hasMoreElements()) {
      // Compile method for handling top-level elements
      final String topLevelSig = compileTopLevel(classGen);
      // Get a reference to that method
      final int topLevelIdx = cpg.addMethodref(getClassName(),
                 "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
  il.append(transf.loadHandler());
  il.append(transf.endDocument());


  il.append(RETURN);

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