com.sun.org.apache.bcel.internal.generic.IFGT Java Examples

The following examples show how to use com.sun.org.apache.bcel.internal.generic.IFGT. 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: Key.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Gather all nodes that match the expression in the attribute "match"
 * and add one (or more) entries in this key's index.
 */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    final int current = methodGen.getLocalIndex("current");

    // AbstractTranslet.buildKeyIndex(name,node_id,value) => void
    final int key = cpg.addMethodref(TRANSLET_CLASS,
                                     "buildKeyIndex",
                                     "("+STRING_SIG+"I"+STRING_SIG+")V");

    // AbstractTranslet.SetKeyIndexDom(name, Dom) => void
    final int keyDom = cpg.addMethodref(TRANSLET_CLASS,
                                     "setKeyIndexDom",
                                     "("+STRING_SIG+DOM_INTF_SIG+")V");

    final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
                                                       "getNodeIdent",
                                                       "(I)"+NODE_SIG);

    // DOM.getAxisIterator(root) => NodeIterator
    final int git = cpg.addInterfaceMethodref(DOM_INTF,
                                              "getAxisIterator",
                                              "(I)"+NODE_ITERATOR_SIG);

    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Get an iterator for all nodes in the DOM
    il.append(methodGen.loadDOM());
    il.append(new PUSH(cpg,Axis.DESCENDANT));
    il.append(new INVOKEINTERFACE(git, 2));

    // Reset the iterator to start with the root node
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.setStartNode());
    il.append(methodGen.storeIterator());

    // Loop for traversing all nodes in the DOM
    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    // Check if the current node matches the pattern in "match"
    il.append(methodGen.loadCurrentNode());
    _match.translate(classGen, methodGen);
    _match.synthesize(classGen, methodGen); // Leaves 0 or 1 on stack
    final BranchHandle skipNode = il.append(new IFEQ(null));

    // If this is a node-set we must go through each node in the set
    if (_useType instanceof NodeSetType) {
        // Pass current node as parameter (we're indexing on that node)
        il.append(methodGen.loadCurrentNode());
        traverseNodeSet(classGen, methodGen, key);
    }
    else {
        il.append(classGen.loadTranslet());
        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);

    il.append(methodGen.loadIterator());
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());

    nextNode.setTarget(skip);
    skipNode.setTarget(skip);
}
 
Example #2
Source File: BooleanType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #3
Source File: ForEach.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Save current node and current iterator on the stack
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Collect sort objects associated with this instruction
    final List<Sort> sortObjects = new ArrayList<>();
    Iterator<SyntaxTreeNode> children = elements();
    while (children.hasNext()) {
        final SyntaxTreeNode child = children.next();
        if (child instanceof Sort) {
            sortObjects.add((Sort)child);
        }
    }

    if ((_type != null) && (_type instanceof ResultTreeType)) {
        // Store existing DOM on stack - must be restored when loop is done
        il.append(methodGen.loadDOM());

        // <xsl:sort> cannot be applied to a result tree - issue warning
        if (sortObjects.size() > 0) {
            ErrorMsg msg = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
            getParser().reportError(WARNING, msg);
        }

        // Put the result tree on the stack (DOM)
        _select.translate(classGen, methodGen);
        // Get an iterator for the whole DOM - excluding the root node
        _type.translateTo(classGen, methodGen, Type.NodeSet);
        // Store the result tree as the default DOM
        il.append(SWAP);
        il.append(methodGen.storeDOM());
    }
    else {
        // Compile node iterator
        if (sortObjects.size() > 0) {
            Sort.translateSortIterator(classGen, methodGen,
                                       _select, sortObjects);
        }
        else {
            _select.translate(classGen, methodGen);
        }

        if (_type instanceof ReferenceType == false) {
            il.append(methodGen.loadContextNode());
            il.append(methodGen.setStartNode());
        }
    }


    // Overwrite current iterator
    il.append(methodGen.storeIterator());

    // Give local variables (if any) default values before starting loop
    initializeVariables(classGen, methodGen);

    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    translateContents(classGen, methodGen);

    nextNode.setTarget(il.append(methodGen.loadIterator()));
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current DOM (if result tree was used instead for this loop)
    if ((_type != null) && (_type instanceof ResultTreeType)) {
        il.append(methodGen.storeDOM());
    }

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());
}
 
Example #4
Source File: Key.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up
/**
 * Gather all nodes that match the expression in the attribute "match"
 * and add one (or more) entries in this key's index.
 */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    final int current = methodGen.getLocalIndex("current");

    // AbstractTranslet.buildKeyIndex(name,node_id,value) => void
    final int key = cpg.addMethodref(TRANSLET_CLASS,
                                     "buildKeyIndex",
                                     "("+STRING_SIG+"I"+STRING_SIG+")V");

    // AbstractTranslet.SetKeyIndexDom(name, Dom) => void
    final int keyDom = cpg.addMethodref(TRANSLET_CLASS,
                                     "setKeyIndexDom",
                                     "("+STRING_SIG+DOM_INTF_SIG+")V");

    final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
                                                       "getNodeIdent",
                                                       "(I)"+NODE_SIG);

    // DOM.getAxisIterator(root) => NodeIterator
    final int git = cpg.addInterfaceMethodref(DOM_INTF,
                                              "getAxisIterator",
                                              "(I)"+NODE_ITERATOR_SIG);

    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Get an iterator for all nodes in the DOM
    il.append(methodGen.loadDOM());
    il.append(new PUSH(cpg,Axis.DESCENDANT));
    il.append(new INVOKEINTERFACE(git, 2));

    // Reset the iterator to start with the root node
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.setStartNode());
    il.append(methodGen.storeIterator());

    // Loop for traversing all nodes in the DOM
    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    // Check if the current node matches the pattern in "match"
    il.append(methodGen.loadCurrentNode());
    _match.translate(classGen, methodGen);
    _match.synthesize(classGen, methodGen); // Leaves 0 or 1 on stack
    final BranchHandle skipNode = il.append(new IFEQ(null));

    // If this is a node-set we must go through each node in the set
    if (_useType instanceof NodeSetType) {
        // Pass current node as parameter (we're indexing on that node)
        il.append(methodGen.loadCurrentNode());
        traverseNodeSet(classGen, methodGen, key);
    }
    else {
        il.append(classGen.loadTranslet());
        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);

    il.append(methodGen.loadIterator());
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());

    nextNode.setTarget(skip);
    skipNode.setTarget(skip);
}
 
Example #5
Source File: IntType.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #6
Source File: BooleanType.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #7
Source File: ForEach.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Save current node and current iterator on the stack
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Collect sort objects associated with this instruction
    final Vector sortObjects = new Vector();
    Iterator<SyntaxTreeNode> children = elements();
    while (children.hasNext()) {
        final Object child = children.next();
        if (child instanceof Sort) {
            sortObjects.addElement(child);
        }
    }

    if ((_type != null) && (_type instanceof ResultTreeType)) {
        // Store existing DOM on stack - must be restored when loop is done
        il.append(methodGen.loadDOM());

        // <xsl:sort> cannot be applied to a result tree - issue warning
        if (sortObjects.size() > 0) {
            ErrorMsg msg = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
            getParser().reportError(WARNING, msg);
        }

        // Put the result tree on the stack (DOM)
        _select.translate(classGen, methodGen);
        // Get an iterator for the whole DOM - excluding the root node
        _type.translateTo(classGen, methodGen, Type.NodeSet);
        // Store the result tree as the default DOM
        il.append(SWAP);
        il.append(methodGen.storeDOM());
    }
    else {
        // Compile node iterator
        if (sortObjects.size() > 0) {
            Sort.translateSortIterator(classGen, methodGen,
                                       _select, sortObjects);
        }
        else {
            _select.translate(classGen, methodGen);
        }

        if (_type instanceof ReferenceType == false) {
            il.append(methodGen.loadContextNode());
            il.append(methodGen.setStartNode());
        }
    }


    // Overwrite current iterator
    il.append(methodGen.storeIterator());

    // Give local variables (if any) default values before starting loop
    initializeVariables(classGen, methodGen);

    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    translateContents(classGen, methodGen);

    nextNode.setTarget(il.append(methodGen.loadIterator()));
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current DOM (if result tree was used instead for this loop)
    if ((_type != null) && (_type instanceof ResultTreeType)) {
        il.append(methodGen.storeDOM());
    }

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());
}
 
Example #8
Source File: Key.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Gather all nodes that match the expression in the attribute "match"
 * and add one (or more) entries in this key's index.
 */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    final int current = methodGen.getLocalIndex("current");

    // AbstractTranslet.buildKeyIndex(name,node_id,value) => void
    final int key = cpg.addMethodref(TRANSLET_CLASS,
                                     "buildKeyIndex",
                                     "("+STRING_SIG+"I"+STRING_SIG+")V");

    // AbstractTranslet.SetKeyIndexDom(name, Dom) => void
    final int keyDom = cpg.addMethodref(TRANSLET_CLASS,
                                     "setKeyIndexDom",
                                     "("+STRING_SIG+DOM_INTF_SIG+")V");

    final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
                                                       "getNodeIdent",
                                                       "(I)"+NODE_SIG);

    // DOM.getAxisIterator(root) => NodeIterator
    final int git = cpg.addInterfaceMethodref(DOM_INTF,
                                              "getAxisIterator",
                                              "(I)"+NODE_ITERATOR_SIG);

    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Get an iterator for all nodes in the DOM
    il.append(methodGen.loadDOM());
    il.append(new PUSH(cpg,Axis.DESCENDANT));
    il.append(new INVOKEINTERFACE(git, 2));

    // Reset the iterator to start with the root node
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.setStartNode());
    il.append(methodGen.storeIterator());

    // Loop for traversing all nodes in the DOM
    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    // Check if the current node matches the pattern in "match"
    il.append(methodGen.loadCurrentNode());
    _match.translate(classGen, methodGen);
    _match.synthesize(classGen, methodGen); // Leaves 0 or 1 on stack
    final BranchHandle skipNode = il.append(new IFEQ(null));

    // If this is a node-set we must go through each node in the set
    if (_useType instanceof NodeSetType) {
        // Pass current node as parameter (we're indexing on that node)
        il.append(methodGen.loadCurrentNode());
        traverseNodeSet(classGen, methodGen, key);
    }
    else {
        il.append(classGen.loadTranslet());
        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);

    il.append(methodGen.loadIterator());
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());

    nextNode.setTarget(skip);
    skipNode.setTarget(skip);
}
 
Example #9
Source File: IntType.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #10
Source File: BooleanType.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #11
Source File: ForEach.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Save current node and current iterator on the stack
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Collect sort objects associated with this instruction
    final Vector sortObjects = new Vector();
    Iterator<SyntaxTreeNode> children = elements();
    while (children.hasNext()) {
        final SyntaxTreeNode child = children.next();
        if (child instanceof Sort) {
            sortObjects.addElement(child);
        }
    }

    if ((_type != null) && (_type instanceof ResultTreeType)) {
        // Store existing DOM on stack - must be restored when loop is done
        il.append(methodGen.loadDOM());

        // <xsl:sort> cannot be applied to a result tree - issue warning
        if (sortObjects.size() > 0) {
            ErrorMsg msg = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
            getParser().reportError(WARNING, msg);
        }

        // Put the result tree on the stack (DOM)
        _select.translate(classGen, methodGen);
        // Get an iterator for the whole DOM - excluding the root node
        _type.translateTo(classGen, methodGen, Type.NodeSet);
        // Store the result tree as the default DOM
        il.append(SWAP);
        il.append(methodGen.storeDOM());
    }
    else {
        // Compile node iterator
        if (sortObjects.size() > 0) {
            Sort.translateSortIterator(classGen, methodGen,
                                       _select, sortObjects);
        }
        else {
            _select.translate(classGen, methodGen);
        }

        if (_type instanceof ReferenceType == false) {
            il.append(methodGen.loadContextNode());
            il.append(methodGen.setStartNode());
        }
    }


    // Overwrite current iterator
    il.append(methodGen.storeIterator());

    // Give local variables (if any) default values before starting loop
    initializeVariables(classGen, methodGen);

    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    translateContents(classGen, methodGen);

    nextNode.setTarget(il.append(methodGen.loadIterator()));
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current DOM (if result tree was used instead for this loop)
    if ((_type != null) && (_type instanceof ResultTreeType)) {
        il.append(methodGen.storeDOM());
    }

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());
}
 
Example #12
Source File: IntType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #13
Source File: IntType.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #14
Source File: BooleanType.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #15
Source File: ForEach.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Save current node and current iterator on the stack
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Collect sort objects associated with this instruction
    final Vector sortObjects = new Vector();
    Enumeration children = elements();
    while (children.hasMoreElements()) {
        final Object child = children.nextElement();
        if (child instanceof Sort) {
            sortObjects.addElement(child);
        }
    }

    if ((_type != null) && (_type instanceof ResultTreeType)) {
        // Store existing DOM on stack - must be restored when loop is done
        il.append(methodGen.loadDOM());

        // <xsl:sort> cannot be applied to a result tree - issue warning
        if (sortObjects.size() > 0) {
            ErrorMsg msg = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
            getParser().reportError(WARNING, msg);
        }

        // Put the result tree on the stack (DOM)
        _select.translate(classGen, methodGen);
        // Get an iterator for the whole DOM - excluding the root node
        _type.translateTo(classGen, methodGen, Type.NodeSet);
        // Store the result tree as the default DOM
        il.append(SWAP);
        il.append(methodGen.storeDOM());
    }
    else {
        // Compile node iterator
        if (sortObjects.size() > 0) {
            Sort.translateSortIterator(classGen, methodGen,
                                       _select, sortObjects);
        }
        else {
            _select.translate(classGen, methodGen);
        }

        if (_type instanceof ReferenceType == false) {
            il.append(methodGen.loadContextNode());
            il.append(methodGen.setStartNode());
        }
    }


    // Overwrite current iterator
    il.append(methodGen.storeIterator());

    // Give local variables (if any) default values before starting loop
    initializeVariables(classGen, methodGen);

    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    translateContents(classGen, methodGen);

    nextNode.setTarget(il.append(methodGen.loadIterator()));
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current DOM (if result tree was used instead for this loop)
    if ((_type != null) && (_type instanceof ResultTreeType)) {
        il.append(methodGen.storeDOM());
    }

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());
}
 
Example #16
Source File: Key.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Gather all nodes that match the expression in the attribute "match"
 * and add one (or more) entries in this key's index.
 */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    final int current = methodGen.getLocalIndex("current");

    // AbstractTranslet.buildKeyIndex(name,node_id,value) => void
    final int key = cpg.addMethodref(TRANSLET_CLASS,
                                     "buildKeyIndex",
                                     "("+STRING_SIG+"I"+OBJECT_SIG+")V");

    // AbstractTranslet.SetKeyIndexDom(name, Dom) => void
    final int keyDom = cpg.addMethodref(TRANSLET_CLASS,
                                     "setKeyIndexDom",
                                     "("+STRING_SIG+DOM_INTF_SIG+")V");

    final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
                                                       "getNodeIdent",
                                                       "(I)"+NODE_SIG);

    // DOM.getAxisIterator(root) => NodeIterator
    final int git = cpg.addInterfaceMethodref(DOM_INTF,
                                              "getAxisIterator",
                                              "(I)"+NODE_ITERATOR_SIG);

    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Get an iterator for all nodes in the DOM
    il.append(methodGen.loadDOM());
    il.append(new PUSH(cpg,Axis.DESCENDANT));
    il.append(new INVOKEINTERFACE(git, 2));

    // Reset the iterator to start with the root node
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.setStartNode());
    il.append(methodGen.storeIterator());

    // Loop for traversing all nodes in the DOM
    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    // Check if the current node matches the pattern in "match"
    il.append(methodGen.loadCurrentNode());
    _match.translate(classGen, methodGen);
    _match.synthesize(classGen, methodGen); // Leaves 0 or 1 on stack
    final BranchHandle skipNode = il.append(new IFEQ(null));

    // If this is a node-set we must go through each node in the set
    if (_useType instanceof NodeSetType) {
        // Pass current node as parameter (we're indexing on that node)
        il.append(methodGen.loadCurrentNode());
        traverseNodeSet(classGen, methodGen, key);
    }
    else {
        il.append(classGen.loadTranslet());
        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);

    il.append(methodGen.loadIterator());
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());

    nextNode.setTarget(skip);
    skipNode.setTarget(skip);
}
 
Example #17
Source File: IntType.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #18
Source File: BooleanType.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #19
Source File: ForEach.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Save current node and current iterator on the stack
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Collect sort objects associated with this instruction
    final Vector sortObjects = new Vector();
    Enumeration children = elements();
    while (children.hasMoreElements()) {
        final Object child = children.nextElement();
        if (child instanceof Sort) {
            sortObjects.addElement(child);
        }
    }

    if ((_type != null) && (_type instanceof ResultTreeType)) {
        // Store existing DOM on stack - must be restored when loop is done
        il.append(methodGen.loadDOM());

        // <xsl:sort> cannot be applied to a result tree - issue warning
        if (sortObjects.size() > 0) {
            ErrorMsg msg = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
            getParser().reportError(WARNING, msg);
        }

        // Put the result tree on the stack (DOM)
        _select.translate(classGen, methodGen);
        // Get an iterator for the whole DOM - excluding the root node
        _type.translateTo(classGen, methodGen, Type.NodeSet);
        // Store the result tree as the default DOM
        il.append(SWAP);
        il.append(methodGen.storeDOM());
    }
    else {
        // Compile node iterator
        if (sortObjects.size() > 0) {
            Sort.translateSortIterator(classGen, methodGen,
                                       _select, sortObjects);
        }
        else {
            _select.translate(classGen, methodGen);
        }

        if (_type instanceof ReferenceType == false) {
            il.append(methodGen.loadContextNode());
            il.append(methodGen.setStartNode());
        }
    }


    // Overwrite current iterator
    il.append(methodGen.storeIterator());

    // Give local variables (if any) default values before starting loop
    initializeVariables(classGen, methodGen);

    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    translateContents(classGen, methodGen);

    nextNode.setTarget(il.append(methodGen.loadIterator()));
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current DOM (if result tree was used instead for this loop)
    if ((_type != null) && (_type instanceof ResultTreeType)) {
        il.append(methodGen.storeDOM());
    }

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());
}
 
Example #20
Source File: Key.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Gather all nodes that match the expression in the attribute "match"
 * and add one (or more) entries in this key's index.
 */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    final int current = methodGen.getLocalIndex("current");

    // AbstractTranslet.buildKeyIndex(name,node_id,value) => void
    final int key = cpg.addMethodref(TRANSLET_CLASS,
                                     "buildKeyIndex",
                                     "("+STRING_SIG+"I"+OBJECT_SIG+")V");

    // AbstractTranslet.SetKeyIndexDom(name, Dom) => void
    final int keyDom = cpg.addMethodref(TRANSLET_CLASS,
                                     "setKeyIndexDom",
                                     "("+STRING_SIG+DOM_INTF_SIG+")V");

    final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
                                                       "getNodeIdent",
                                                       "(I)"+NODE_SIG);

    // DOM.getAxisIterator(root) => NodeIterator
    final int git = cpg.addInterfaceMethodref(DOM_INTF,
                                              "getAxisIterator",
                                              "(I)"+NODE_ITERATOR_SIG);

    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Get an iterator for all nodes in the DOM
    il.append(methodGen.loadDOM());
    il.append(new PUSH(cpg,Axis.DESCENDANT));
    il.append(new INVOKEINTERFACE(git, 2));

    // Reset the iterator to start with the root node
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.setStartNode());
    il.append(methodGen.storeIterator());

    // Loop for traversing all nodes in the DOM
    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    // Check if the current node matches the pattern in "match"
    il.append(methodGen.loadCurrentNode());
    _match.translate(classGen, methodGen);
    _match.synthesize(classGen, methodGen); // Leaves 0 or 1 on stack
    final BranchHandle skipNode = il.append(new IFEQ(null));

    // If this is a node-set we must go through each node in the set
    if (_useType instanceof NodeSetType) {
        // Pass current node as parameter (we're indexing on that node)
        il.append(methodGen.loadCurrentNode());
        traverseNodeSet(classGen, methodGen, key);
    }
    else {
        il.append(classGen.loadTranslet());
        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);

    il.append(methodGen.loadIterator());
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());

    nextNode.setTarget(skip);
    skipNode.setTarget(skip);
}
 
Example #21
Source File: IntType.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #22
Source File: BooleanType.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #23
Source File: BooleanType.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #24
Source File: Key.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up
/**
 * Gather all nodes that match the expression in the attribute "match"
 * and add one (or more) entries in this key's index.
 */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    final int current = methodGen.getLocalIndex("current");

    // AbstractTranslet.buildKeyIndex(name,node_id,value) => void
    final int key = cpg.addMethodref(TRANSLET_CLASS,
                                     "buildKeyIndex",
                                     "("+STRING_SIG+"I"+STRING_SIG+")V");

    // AbstractTranslet.SetKeyIndexDom(name, Dom) => void
    final int keyDom = cpg.addMethodref(TRANSLET_CLASS,
                                     "setKeyIndexDom",
                                     "("+STRING_SIG+DOM_INTF_SIG+")V");

    final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
                                                       "getNodeIdent",
                                                       "(I)"+NODE_SIG);

    // DOM.getAxisIterator(root) => NodeIterator
    final int git = cpg.addInterfaceMethodref(DOM_INTF,
                                              "getAxisIterator",
                                              "(I)"+NODE_ITERATOR_SIG);

    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Get an iterator for all nodes in the DOM
    il.append(methodGen.loadDOM());
    il.append(new PUSH(cpg,Axis.DESCENDANT));
    il.append(new INVOKEINTERFACE(git, 2));

    // Reset the iterator to start with the root node
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.setStartNode());
    il.append(methodGen.storeIterator());

    // Loop for traversing all nodes in the DOM
    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    // Check if the current node matches the pattern in "match"
    il.append(methodGen.loadCurrentNode());
    _match.translate(classGen, methodGen);
    _match.synthesize(classGen, methodGen); // Leaves 0 or 1 on stack
    final BranchHandle skipNode = il.append(new IFEQ(null));

    // If this is a node-set we must go through each node in the set
    if (_useType instanceof NodeSetType) {
        // Pass current node as parameter (we're indexing on that node)
        il.append(methodGen.loadCurrentNode());
        traverseNodeSet(classGen, methodGen, key);
    }
    else {
        il.append(classGen.loadTranslet());
        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);

    il.append(methodGen.loadIterator());
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());

    nextNode.setTarget(skip);
    skipNode.setTarget(skip);
}
 
Example #25
Source File: IntType.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #26
Source File: BooleanType.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #27
Source File: ForEach.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Save current node and current iterator on the stack
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Collect sort objects associated with this instruction
    final Vector sortObjects = new Vector();
    Iterator<SyntaxTreeNode> children = elements();
    while (children.hasNext()) {
        final SyntaxTreeNode child = children.next();
        if (child instanceof Sort) {
            sortObjects.addElement(child);
        }
    }

    if ((_type != null) && (_type instanceof ResultTreeType)) {
        // Store existing DOM on stack - must be restored when loop is done
        il.append(methodGen.loadDOM());

        // <xsl:sort> cannot be applied to a result tree - issue warning
        if (sortObjects.size() > 0) {
            ErrorMsg msg = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
            getParser().reportError(WARNING, msg);
        }

        // Put the result tree on the stack (DOM)
        _select.translate(classGen, methodGen);
        // Get an iterator for the whole DOM - excluding the root node
        _type.translateTo(classGen, methodGen, Type.NodeSet);
        // Store the result tree as the default DOM
        il.append(SWAP);
        il.append(methodGen.storeDOM());
    }
    else {
        // Compile node iterator
        if (sortObjects.size() > 0) {
            Sort.translateSortIterator(classGen, methodGen,
                                       _select, sortObjects);
        }
        else {
            _select.translate(classGen, methodGen);
        }

        if (_type instanceof ReferenceType == false) {
            il.append(methodGen.loadContextNode());
            il.append(methodGen.setStartNode());
        }
    }


    // Overwrite current iterator
    il.append(methodGen.storeIterator());

    // Give local variables (if any) default values before starting loop
    initializeVariables(classGen, methodGen);

    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    translateContents(classGen, methodGen);

    nextNode.setTarget(il.append(methodGen.loadIterator()));
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current DOM (if result tree was used instead for this loop)
    if ((_type != null) && (_type instanceof ResultTreeType)) {
        il.append(methodGen.storeDOM());
    }

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());
}
 
Example #28
Source File: Key.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Gather all nodes that match the expression in the attribute "match"
 * and add one (or more) entries in this key's index.
 */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    final int current = methodGen.getLocalIndex("current");

    // AbstractTranslet.buildKeyIndex(name,node_id,value) => void
    final int key = cpg.addMethodref(TRANSLET_CLASS,
                                     "buildKeyIndex",
                                     "("+STRING_SIG+"I"+STRING_SIG+")V");

    // AbstractTranslet.SetKeyIndexDom(name, Dom) => void
    final int keyDom = cpg.addMethodref(TRANSLET_CLASS,
                                     "setKeyIndexDom",
                                     "("+STRING_SIG+DOM_INTF_SIG+")V");

    final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
                                                       "getNodeIdent",
                                                       "(I)"+NODE_SIG);

    // DOM.getAxisIterator(root) => NodeIterator
    final int git = cpg.addInterfaceMethodref(DOM_INTF,
                                              "getAxisIterator",
                                              "(I)"+NODE_ITERATOR_SIG);

    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.loadIterator());

    // Get an iterator for all nodes in the DOM
    il.append(methodGen.loadDOM());
    il.append(new PUSH(cpg,Axis.DESCENDANT));
    il.append(new INVOKEINTERFACE(git, 2));

    // Reset the iterator to start with the root node
    il.append(methodGen.loadCurrentNode());
    il.append(methodGen.setStartNode());
    il.append(methodGen.storeIterator());

    // Loop for traversing all nodes in the DOM
    final BranchHandle nextNode = il.append(new GOTO(null));
    final InstructionHandle loop = il.append(NOP);

    // Check if the current node matches the pattern in "match"
    il.append(methodGen.loadCurrentNode());
    _match.translate(classGen, methodGen);
    _match.synthesize(classGen, methodGen); // Leaves 0 or 1 on stack
    final BranchHandle skipNode = il.append(new IFEQ(null));

    // If this is a node-set we must go through each node in the set
    if (_useType instanceof NodeSetType) {
        // Pass current node as parameter (we're indexing on that node)
        il.append(methodGen.loadCurrentNode());
        traverseNodeSet(classGen, methodGen, key);
    }
    else {
        il.append(classGen.loadTranslet());
        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);

    il.append(methodGen.loadIterator());
    il.append(methodGen.nextNode());
    il.append(DUP);
    il.append(methodGen.storeCurrentNode());
    il.append(new IFGT(loop));

    // Restore current node and current iterator from the stack
    il.append(methodGen.storeIterator());
    il.append(methodGen.storeCurrentNode());

    nextNode.setTarget(skip);
    skipNode.setTarget(skip);
}
 
Example #29
Source File: IntType.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}
 
Example #30
Source File: BooleanType.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
public BranchInstruction GT(boolean tozero) {
    return tozero ? (BranchInstruction) new IFGT(null) :
        (BranchInstruction) new IF_ICMPGT(null);
}