Package com.sun.org.apache.bcel.internal.generic

Examples of com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL

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            final int equals = cpg.addMethodref(STRING_CLASS,
                                                "equals",
                                                "(" + OBJECT_SIG +")Z");
            _left.translate(classGen, methodGen);
            _right.translate(classGen, methodGen);
            il.append(new INVOKEVIRTUAL(equals));

        if (_op == Operators.NE) {
                il.append(ICONST_1);
                il.append(IXOR);                        // not x <-> x xor 1
            }
            return;
        }

        BranchHandle truec, falsec;

        if (tleft instanceof ResultTreeType) {
            if (tright instanceof BooleanType) {
                _right.translate(classGen, methodGen);
        if (_op == Operators.NE) {
                    il.append(ICONST_1);
                    il.append(IXOR); // not x <-> x xor 1
                }
                return;
            }

            if (tright instanceof RealType) {
                _left.translate(classGen, methodGen);
                tleft.translateTo(classGen, methodGen, Type.Real);
                _right.translate(classGen, methodGen);

                il.append(DCMPG);
        falsec = il.append(_op == Operators.EQ ?
                                   (BranchInstruction) new IFNE(null) :
                                   (BranchInstruction) new IFEQ(null));
                il.append(ICONST_1);
                truec = il.append(new GOTO(null));
                falsec.setTarget(il.append(ICONST_0));
                truec.setTarget(il.append(NOP));
                return;
            }

            // Next, result-tree/string and result-tree/result-tree comparisons

            _left.translate(classGen, methodGen);
            tleft.translateTo(classGen, methodGen, Type.String);
            _right.translate(classGen, methodGen);

            if (tright instanceof ResultTreeType) {
                tright.translateTo(classGen, methodGen, Type.String);
            }

            final int equals = cpg.addMethodref(STRING_CLASS,
                                                "equals",
                                                "(" +OBJECT_SIG+ ")Z");
            il.append(new INVOKEVIRTUAL(equals));

        if (_op == Operators.NE) {
                il.append(ICONST_1);
                il.append(IXOR);                        // not x <-> x xor 1
            }
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            il.append(new PUSH(cpg, _resolvedQName.toString()));
        }
        else {
            _name.translate(classGen, methodGen);
        }
        il.append(new INVOKEVIRTUAL(get));
        il.append(new INVOKESTATIC(fn3arg));
    }
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            // Call setValue on the node counter
            index = cpg.addMethodref(NODE_COUNTER,
                                     "setValue",
                                     "(D)" + NODE_COUNTER_SIG);
            il.append(new INVOKEVIRTUAL(index));
        }
        else if (isDefault()) {
            compileDefault(classGen, methodGen);
        }
        else {
            compilePatterns(classGen, methodGen);
        }

        // Call setStartNode()
        if (!hasValue()) {
            il.append(methodGen.loadContextNode());
            index = cpg.addMethodref(NODE_COUNTER,
                                     SET_START_NODE,
                                     "(I)" + NODE_COUNTER_SIG);
            il.append(new INVOKEVIRTUAL(index));
        }

        // Call getCounter() with or without args
        if (_formatNeeded) {
            if (_format != null) {
                _format.translate(classGen, methodGen);
            }
            else {
                il.append(new PUSH(cpg, "1"));
            }

            if (_lang != null) {
                _lang.translate(classGen, methodGen);
            }
            else {
                il.append(new PUSH(cpg, "en"));         // TODO ??
            }

            if (_letterValue != null) {
                _letterValue.translate(classGen, methodGen);
            }
            else {
                il.append(new PUSH(cpg, Constants.EMPTYSTRING));
            }

            if (_groupingSeparator != null) {
                _groupingSeparator.translate(classGen, methodGen);
            }
            else {
                il.append(new PUSH(cpg, Constants.EMPTYSTRING));
            }

            if (_groupingSize != null) {
                _groupingSize.translate(classGen, methodGen);
            }
            else {
                il.append(new PUSH(cpg, "0"));
            }

            index = cpg.addMethodref(NODE_COUNTER, "getCounter",
                                     "(" + STRING_SIG + STRING_SIG
                                     + STRING_SIG + STRING_SIG
                                     + STRING_SIG + ")" + STRING_SIG);
            il.append(new INVOKEVIRTUAL(index));
        }
        else {
            index = cpg.addMethodref(NODE_COUNTER, "setDefaultFormatting",
                                     "()" + NODE_COUNTER_SIG);
            il.append(new INVOKEVIRTUAL(index));

            index = cpg.addMethodref(NODE_COUNTER, "getCounter",
                                     "()" + STRING_SIG);
            il.append(new INVOKEVIRTUAL(index));
        }

        // Output the resulting string to the handler
        il.append(methodGen.loadHandler());
        index = cpg.addMethodref(TRANSLET_CLASS,
                                 CHARACTERSW,
                                 CHARACTERSW_SIG);
        il.append(new INVOKEVIRTUAL(index));
    }
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        il.append(methodGen.loadDOM());
        il.append(methodGen.loadCurrentNode());
        il.append(new INVOKEINTERFACE(getNodeValue, 2));

        // Finally do the call to add an entry in the index for this key.
        il.append(new INVOKEVIRTUAL(buildKeyIndex));

        il.append(classGen.loadTranslet());
        il.append(new PUSH(cpg, getName()));
        il.append(methodGen.loadDOM());
        il.append(new INVOKEVIRTUAL(keyDom));

        nextNode.setTarget(il.append(methodGen.loadIterator()));
        il.append(methodGen.nextNode());

        il.append(DUP);
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            il.append(DUP);
            il.append(new PUSH(cpg, _name.toString()));
            il.append(DUP_X1);
            il.append(methodGen.loadCurrentNode());
            _use.translate(classGen, methodGen);
            il.append(new INVOKEVIRTUAL(key));

            il.append(methodGen.loadDOM());
            il.append(new INVOKEVIRTUAL(keyDom));
        }

        // Get the next node from the iterator and do loop again...
        final InstructionHandle skip = il.append(NOP);
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        // Add the various iterators to the UnionIterator
        final int length = _components.length;
        for (int i = 0; i < length; i++) {
            _components[i].translate(classGen, methodGen);
            il.append(new INVOKEVIRTUAL(iter));
        }

        // Order the iterator only if strictly needed
        if (_reverse) {
            final int order = cpg.addInterfaceMethodref(DOM_INTF,
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            final ConstantPoolGen cpg = classGen.getConstantPool();
            final InstructionList il = methodGen.getInstructionList();
            final int initBuffer = cpg.addMethodref(STRING_BUFFER_CLASS,
                                                    "<init>", "()V");
            final Instruction append =
                new INVOKEVIRTUAL(cpg.addMethodref(STRING_BUFFER_CLASS,
                                                   "append",
                                                   "(" + STRING_SIG + ")"
                                                   + STRING_BUFFER_SIG));

            final int toString = cpg.addMethodref(STRING_BUFFER_CLASS,
                                                  "toString",
                                                  "()"+STRING_SIG);
            il.append(new NEW(cpg.addClass(STRING_BUFFER_CLASS)));
            il.append(DUP);
            il.append(new INVOKESPECIAL(initBuffer));
            // StringBuffer is on the stack
            final Enumeration elements = elements();
            while (elements.hasMoreElements()) {
                final Expression exp = (Expression)elements.nextElement();
                exp.translate(classGen, methodGen);
                il.append(append);
            }
            il.append(new INVOKEVIRTUAL(toString));
        }
    }
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                                             MethodGenerator methodGen,
                                             BooleanType type) {
        final ConstantPoolGen cpg = classGen.getConstantPool();
        final InstructionList il = methodGen.getInstructionList();

        il.append(new INVOKEVIRTUAL(cpg.addMethodref(STRING_CLASS,
                                                     "length", "()I")));
        return new FlowList(il.append(new IFEQ(null)));
    }
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            il.append(classGen.loadTranslet());
            il.append(methodGen.loadDOM());
            il.append(methodGen.loadIterator());
            il.append(methodGen.loadHandler());
            il.append(methodGen.loadCurrentNode());
            il.append(new INVOKEVIRTUAL(cpg.addMethodref(className,
                                                         methodName,
                                                         "("
                                                         + DOM_INTF_SIG
                                                         + NODE_ITERATOR_SIG
                                                         + TRANSLET_OUTPUT_SIG
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                // Push parameter frame
                final int push = cpg.addMethodref(TRANSLET_CLASS,
                                                  PUSH_PARAM_FRAME,
                                                  PUSH_PARAM_FRAME_SIG);
                il.append(classGen.loadTranslet());
                il.append(new INVOKEVIRTUAL(push));
                translateContents(classGen, methodGen);
            }
        }

        // Generate a valid Java method name
        final String className = stylesheet.getClassName();
        String methodName = Util.escape(_name.toString());

        // Load standard arguments
        il.append(classGen.loadTranslet());
        il.append(methodGen.loadDOM());
        il.append(methodGen.loadIterator());
        il.append(methodGen.loadHandler());
        il.append(methodGen.loadCurrentNode());

        // Initialize prefix of method signature
        StringBuffer methodSig = new StringBuffer("(" + DOM_INTF_SIG
            + NODE_ITERATOR_SIG + TRANSLET_OUTPUT_SIG + NODE_SIG);

        // If calling a simply named template, push actual arguments
        if (_calleeTemplate != null) {
            Vector calleeParams = _calleeTemplate.getParameters();
            int numParams = _parameters.length;

            for (int i = 0; i < numParams; i++) {
                SyntaxTreeNode node = (SyntaxTreeNode)_parameters[i];
                methodSig.append(OBJECT_SIG);   // append Object to signature

                // Push 'null' if Param to indicate no actual parameter specified
                if (node instanceof Param) {
                    il.append(ACONST_NULL);
                }
                else {  // translate WithParam
                    node.translate(classGen, methodGen);
                }
            }
        }

        // Complete signature and generate invokevirtual call
        methodSig.append(")V");
        il.append(new INVOKEVIRTUAL(cpg.addMethodref(className,
                                                     methodName,
                                                     methodSig.toString())));

        // Do not need to call Translet.popParamFrame() if we are
        // calling a simple named template.
        if (_calleeTemplate == null && (stylesheet.hasLocalParams() || hasContents())) {
            // Pop parameter frame
            final int pop = cpg.addMethodref(TRANSLET_CLASS,
                                             POP_PARAM_FRAME,
                                             POP_PARAM_FRAME_SIG);
            il.append(classGen.loadTranslet());
            il.append(new INVOKEVIRTUAL(pop));
        }
    }
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