Java Code Examples for com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator#getLocalIndex()
The following examples show how to use
com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator#getLocalIndex() .
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Example 1
| Source File: Whitespace.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 2
| Source File: Key.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* 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 3
| Source File: Whitespace.java From hottub with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 4
| Source File: Key.java From hottub with GNU General Public License v2.0 | 4 votes |
|
/**
* 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: Whitespace.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 6
| Source File: Whitespace.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 7
| Source File: Whitespace.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(List<WhitespaceRule> rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = rules.get(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 8
| Source File: Key.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* 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: Whitespace.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 10
| Source File: Key.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
/**
* 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 11
| Source File: Key.java From jdk1.8-source-analysis with Apache License 2.0 | 4 votes |
|
/**
* 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 12
| Source File: Key.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
/**
* 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 13
| Source File: Key.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* 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 14
| Source File: Key.java From JDKSourceCode1.8 with MIT License | 4 votes |
|
/**
* 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 15
| Source File: ApplyTemplates.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* Translate call-template. A parameter frame is pushed only if
* some template in the stylesheet uses parameters.
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
boolean setStartNodeCalled = false;
final Stylesheet stylesheet = classGen.getStylesheet();
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final int current = methodGen.getLocalIndex("current");
// check if sorting nodes is required
final Vector sortObjects = new Vector();
final Enumeration children = elements();
while (children.hasMoreElements()) {
final Object child = children.nextElement();
if (child instanceof Sort) {
sortObjects.addElement(child);
}
}
// Push a new parameter frame
if (stylesheet.hasLocalParams() || hasContents()) {
il.append(classGen.loadTranslet());
final int pushFrame = cpg.addMethodref(TRANSLET_CLASS,
PUSH_PARAM_FRAME,
PUSH_PARAM_FRAME_SIG);
il.append(new INVOKEVIRTUAL(pushFrame));
// translate with-params
translateContents(classGen, methodGen);
}
il.append(classGen.loadTranslet());
// The 'select' expression is a result-tree
if ((_type != null) && (_type instanceof ResultTreeType)) {
// <xsl:sort> cannot be applied to a result tree - issue warning
if (sortObjects.size() > 0) {
ErrorMsg err = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
getParser().reportError(WARNING, err);
}
// Put the result tree (a DOM adapter) on the stack
_select.translate(classGen, methodGen);
// Get back the DOM and iterator (not just iterator!!!)
_type.translateTo(classGen, methodGen, Type.NodeSet);
}
else {
il.append(methodGen.loadDOM());
// compute node iterator for applyTemplates
if (sortObjects.size() > 0) {
Sort.translateSortIterator(classGen, methodGen,
_select, sortObjects);
int setStartNode = cpg.addInterfaceMethodref(NODE_ITERATOR,
SET_START_NODE,
"(I)"+
NODE_ITERATOR_SIG);
il.append(methodGen.loadCurrentNode());
il.append(new INVOKEINTERFACE(setStartNode,2));
setStartNodeCalled = true;
}
else {
if (_select == null)
Mode.compileGetChildren(classGen, methodGen, current);
else
_select.translate(classGen, methodGen);
}
}
if (_select != null && !setStartNodeCalled) {
_select.startIterator(classGen, methodGen);
}
//!!! need to instantiate all needed modes
final String className = classGen.getStylesheet().getClassName();
il.append(methodGen.loadHandler());
final String applyTemplatesSig = classGen.getApplyTemplatesSig();
final int applyTemplates = cpg.addMethodref(className,
_functionName,
applyTemplatesSig);
il.append(new INVOKEVIRTUAL(applyTemplates));
// Pop parameter frame
if (stylesheet.hasLocalParams() || hasContents()) {
il.append(classGen.loadTranslet());
final int popFrame = cpg.addMethodref(TRANSLET_CLASS,
POP_PARAM_FRAME,
POP_PARAM_FRAME_SIG);
il.append(new INVOKEVIRTUAL(popFrame));
}
}
Example 16
| Source File: ApplyTemplates.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Translate call-template. A parameter frame is pushed only if
* some template in the stylesheet uses parameters.
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
boolean setStartNodeCalled = false;
final Stylesheet stylesheet = classGen.getStylesheet();
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final int current = methodGen.getLocalIndex("current");
// check if sorting nodes is required
final Vector sortObjects = new Vector();
final Enumeration children = elements();
while (children.hasMoreElements()) {
final Object child = children.nextElement();
if (child instanceof Sort) {
sortObjects.addElement(child);
}
}
// Push a new parameter frame
if (stylesheet.hasLocalParams() || hasContents()) {
il.append(classGen.loadTranslet());
final int pushFrame = cpg.addMethodref(TRANSLET_CLASS,
PUSH_PARAM_FRAME,
PUSH_PARAM_FRAME_SIG);
il.append(new INVOKEVIRTUAL(pushFrame));
// translate with-params
translateContents(classGen, methodGen);
}
il.append(classGen.loadTranslet());
// The 'select' expression is a result-tree
if ((_type != null) && (_type instanceof ResultTreeType)) {
// <xsl:sort> cannot be applied to a result tree - issue warning
if (sortObjects.size() > 0) {
ErrorMsg err = new ErrorMsg(ErrorMsg.RESULT_TREE_SORT_ERR,this);
getParser().reportError(WARNING, err);
}
// Put the result tree (a DOM adapter) on the stack
_select.translate(classGen, methodGen);
// Get back the DOM and iterator (not just iterator!!!)
_type.translateTo(classGen, methodGen, Type.NodeSet);
}
else {
il.append(methodGen.loadDOM());
// compute node iterator for applyTemplates
if (sortObjects.size() > 0) {
Sort.translateSortIterator(classGen, methodGen,
_select, sortObjects);
int setStartNode = cpg.addInterfaceMethodref(NODE_ITERATOR,
SET_START_NODE,
"(I)"+
NODE_ITERATOR_SIG);
il.append(methodGen.loadCurrentNode());
il.append(new INVOKEINTERFACE(setStartNode,2));
setStartNodeCalled = true;
}
else {
if (_select == null)
Mode.compileGetChildren(classGen, methodGen, current);
else
_select.translate(classGen, methodGen);
}
}
if (_select != null && !setStartNodeCalled) {
_select.startIterator(classGen, methodGen);
}
//!!! need to instantiate all needed modes
final String className = classGen.getStylesheet().getClassName();
il.append(methodGen.loadHandler());
final String applyTemplatesSig = classGen.getApplyTemplatesSig();
final int applyTemplates = cpg.addMethodref(className,
_functionName,
applyTemplatesSig);
il.append(new INVOKEVIRTUAL(applyTemplates));
// Pop parameter frame
if (stylesheet.hasLocalParams() || hasContents()) {
il.append(classGen.loadTranslet());
final int popFrame = cpg.addMethodref(TRANSLET_CLASS,
POP_PARAM_FRAME,
POP_PARAM_FRAME_SIG);
il.append(new INVOKEVIRTUAL(popFrame));
}
}
Example 17
| Source File: Key.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* 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 18
| Source File: Whitespace.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 19
| Source File: Whitespace.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
Example 20
| Source File: Whitespace.java From jdk1.8-source-analysis with Apache License 2.0 | 4 votes |
|
/**
* Compiles the predicate method
*/
private static void compilePredicate(Vector rules,
int defaultAction,
ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// private boolean Translet.stripSpace(int type) - cannot be static
final MethodGenerator stripSpace =
new MethodGenerator(ACC_PUBLIC | ACC_FINAL ,
com.sun.org.apache.bcel.internal.generic.Type.BOOLEAN,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom","node","type" },
"stripSpace",classGen.getClassName(),il,cpg);
classGen.addInterface("com/sun/org/apache/xalan/internal/xsltc/StripFilter");
final int paramDom = stripSpace.getLocalIndex("dom");
final int paramCurrent = stripSpace.getLocalIndex("node");
final int paramType = stripSpace.getLocalIndex("type");
BranchHandle strip[] = new BranchHandle[rules.size()];
BranchHandle preserve[] = new BranchHandle[rules.size()];
int sCount = 0;
int pCount = 0;
// Traverse all strip/preserve rules
for (int i = 0; i<rules.size(); i++) {
// Get the next rule in the prioritised list
WhitespaceRule rule = (WhitespaceRule)rules.elementAt(i);
// Returns the namespace for a node in the DOM
final int gns = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)Ljava/lang/String;");
final int strcmp = cpg.addMethodref("java/lang/String",
"compareTo",
"(Ljava/lang/String;)I");
// Handle elements="ns:*" type rule
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));
}
else {
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
// Handle elements="ns:el" type rule
else if (rule.getStrength() == RULE_ELEMENT) {
// Create the QName for the element
final Parser parser = classGen.getParser();
QName qname;
if (rule.getNamespace() != Constants.EMPTYSTRING )
qname = parser.getQName(rule.getNamespace(), null,
rule.getElement());
else
qname = parser.getQName(rule.getElement());
// Register the element.
final int elementType = xsltc.registerElement(qname);
il.append(new ILOAD(paramType));
il.append(new PUSH(cpg, elementType));
// Compare current node type with wanted element type
if (rule.getAction() == STRIP_SPACE)
strip[sCount++] = il.append(new IF_ICMPEQ(null));
else
preserve[pCount++] = il.append(new IF_ICMPEQ(null));
}
}
if (defaultAction == STRIP_SPACE) {
compileStripSpace(strip, sCount, il);
compilePreserveSpace(preserve, pCount, il);
}
else {
compilePreserveSpace(preserve, pCount, il);
compileStripSpace(strip, sCount, il);
}
classGen.addMethod(stripSpace);
}
