com.sun.org.apache.bcel.internal.classfile.Field Java Examples
The following examples show how to use
com.sun.org.apache.bcel.internal.classfile.Field.
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Example #1
| Source File: FieldGen.java From Bytecoder with Apache License 2.0 | 6 votes |
|
/**
* Instantiate from existing field.
*
* @param field Field object
* @param cp constant pool (must contain the same entries as the field's constant pool)
*/
public FieldGen(final Field field, final ConstantPoolGen cp) {
this(field.getAccessFlags(), Type.getType(field.getSignature()), field.getName(), cp);
final Attribute[] attrs = field.getAttributes();
for (final Attribute attr : attrs) {
if (attr instanceof ConstantValue) {
setValue(((ConstantValue) attr).getConstantValueIndex());
} else if (attr instanceof Annotations) {
final Annotations runtimeAnnotations = (Annotations)attr;
final AnnotationEntry[] annotationEntries = runtimeAnnotations.getAnnotationEntries();
for (final AnnotationEntry element : annotationEntries) {
addAnnotationEntry(new AnnotationEntryGen(element,cp,false));
}
} else {
addAttribute(attr);
}
}
}
Example #2
| Source File: MethodHTML.java From Bytecoder with Apache License 2.0 | 6 votes |
|
/**
* Print field of class.
*
* @param field field to print
* @throws java.io.IOException
*/
private void writeField( final Field field ) throws IOException {
final String type = Utility.signatureToString(field.getSignature());
final String name = field.getName();
String access = Utility.accessToString(field.getAccessFlags());
Attribute[] attributes;
access = Utility.replace(access, " ", " ");
file.print("<TR><TD><FONT COLOR=\"#FF0000\">" + access + "</FONT></TD>\n<TD>"
+ Class2HTML.referenceType(type) + "</TD><TD><A NAME=\"field" + name + "\">" + name
+ "</A></TD>");
attributes = field.getAttributes();
// Write them to the Attributes.html file with anchor "<name>[<i>]"
for (int i = 0; i < attributes.length; i++) {
attribute_html.writeAttribute(attributes[i], name + "@" + i);
}
for (int i = 0; i < attributes.length; i++) {
if (attributes[i].getTag() == Const.ATTR_CONSTANT_VALUE) { // Default value
final String str = ((ConstantValue) attributes[i]).toString();
// Reference attribute in _attributes.html
file.print("<TD>= <A HREF=\"" + class_name + "_attributes.html#" + name + "@" + i
+ "\" TARGET=\"Attributes\">" + str + "</TD>\n");
break;
}
}
file.println("</TR>");
}
Example #3
| Source File: ClassGen.java From Bytecoder with Apache License 2.0 | 6 votes |
|
/**
* @return the (finally) built up Java class object.
*/
public JavaClass getJavaClass() {
final int[] interfaces = getInterfaces();
final Field[] fields = getFields();
final Method[] methods = getMethods();
Attribute[] attributes = null;
if (annotation_vec.isEmpty()) {
attributes = getAttributes();
} else {
// TODO: Sometime later, trash any attributes called 'RuntimeVisibleAnnotations' or 'RuntimeInvisibleAnnotations'
final Attribute[] annAttributes = AnnotationEntryGen.getAnnotationAttributes(cp, getAnnotationEntries());
attributes = new Attribute[attribute_vec.size()+annAttributes.length];
attribute_vec.toArray(attributes);
System.arraycopy(annAttributes,0,attributes,attribute_vec.size(),annAttributes.length);
}
// Must be last since the above calls may still add something to it
final ConstantPool _cp = this.cp.getFinalConstantPool();
return new JavaClass(class_name_index, superclass_name_index, file_name, major, minor,
super.getAccessFlags(), _cp, interfaces, fields, methods, attributes);
}
Example #4
| Source File: MethodHTML.java From Bytecoder with Apache License 2.0 | 6 votes |
|
MethodHTML(final String dir, final String class_name, final Method[] methods, final Field[] fields,
final ConstantHTML constant_html, final AttributeHTML attribute_html) throws IOException {
this.class_name = class_name;
this.attribute_html = attribute_html;
this.constant_html = constant_html;
file = new PrintWriter(new FileOutputStream(dir + class_name + "_methods.html"));
file.println("<HTML><BODY BGCOLOR=\"#C0C0C0\"><TABLE BORDER=0>");
file.println("<TR><TH ALIGN=LEFT>Access flags</TH><TH ALIGN=LEFT>Type</TH>"
+ "<TH ALIGN=LEFT>Field name</TH></TR>");
for (final Field field : fields) {
writeField(field);
}
file.println("</TABLE>");
file.println("<TABLE BORDER=0><TR><TH ALIGN=LEFT>Access flags</TH>"
+ "<TH ALIGN=LEFT>Return type</TH><TH ALIGN=LEFT>Method name</TH>"
+ "<TH ALIGN=LEFT>Arguments</TH></TR>");
for (int i = 0; i < methods.length; i++) {
writeMethod(methods[i], i);
}
file.println("</TABLE></BODY></HTML>");
file.close();
}
Example #5
| Source File: BCELifier.java From Bytecoder with Apache License 2.0 | 5 votes |
|
@Override
public void visitField( final Field field ) {
_out.println();
_out.println(" field = new FieldGen(" + printFlags(field.getAccessFlags()) + ", "
+ printType(field.getSignature()) + ", \"" + field.getName() + "\", _cp);");
final ConstantValue cv = field.getConstantValue();
if (cv != null) {
final String value = cv.toString();
_out.println(" field.setInitValue(" + value + ")");
}
_out.println(" _cg.addField(field.getField());");
}
Example #6
| Source File: BCELifier.java From Bytecoder with Apache License 2.0 | 5 votes |
|
private void printCreate() {
_out.println(" public void create(OutputStream out) throws IOException {");
final Field[] fields = _clazz.getFields();
if (fields.length > 0) {
_out.println(" createFields();");
}
final Method[] methods = _clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
_out.println(" createMethod_" + i + "();");
}
_out.println(" _cg.getJavaClass().dump(out);");
_out.println(" }");
_out.println();
}
Example #7
| Source File: BytecodeTest.java From netbeans with Apache License 2.0 | 5 votes |
|
public void visitField(Field obj) {
if (obj.isStatic()) {
// System.out.println("signature "+obj.getSignature());
Type name = Type.getReturnType(obj.getSignature());
if (pdType.equals(name) ||
bdType.equals(name) ||
mdType.equals(name) ||
edType.equals(name)) {
hasDescFields = true;
}
}
}
Example #8
| Source File: BytecodeTest.java From netbeans with Apache License 2.0 | 5 votes |
|
@Override public void visitField(Field obj) {
if (obj.isStatic()) {
// System.out.println("signature "+obj.getSignature());
Type name = Type.getReturnType(obj.getSignature());
if (imageType.equals(name) ||
image1Type.equals(name) ||
image2Type.equals(name)) {
hasImageFields = true;
}
if (bType.equals(name) ||
b2Type.equals(name)) {
hasPropFields = true;
}
}
}
Example #9
| Source File: ClassGen.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/** Replace given field with new one. If the old one does not exist
* add the new_ field to the class anyway.
*/
public void replaceField( final Field old, final Field new_ ) {
if (new_ == null) {
throw new ClassGenException("Replacement method must not be null");
}
final int i = field_vec.indexOf(old);
if (i < 0) {
field_vec.add(new_);
} else {
field_vec.set(i, new_);
}
}
Example #10
| Source File: ClassGen.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/** @return field object with given name, or null
*/
public Field containsField( final String name ) {
for (final Field f : field_vec) {
if (f.getName().equals(name)) {
return f;
}
}
return null;
}
Example #11
| Source File: ClassGen.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/**
* Initialize with existing class.
* @param clazz JavaClass object (e.g. read from file)
*/
public ClassGen(final JavaClass clazz) {
super(clazz.getAccessFlags());
class_name_index = clazz.getClassNameIndex();
superclass_name_index = clazz.getSuperclassNameIndex();
class_name = clazz.getClassName();
super_class_name = clazz.getSuperclassName();
file_name = clazz.getSourceFileName();
cp = new ConstantPoolGen(clazz.getConstantPool());
major = clazz.getMajor();
minor = clazz.getMinor();
final Attribute[] attributes = clazz.getAttributes();
// J5TODO: Could make unpacking lazy, done on first reference
final AnnotationEntryGen[] annotations = unpackAnnotations(attributes);
final Method[] methods = clazz.getMethods();
final Field[] fields = clazz.getFields();
final String[] interfaces = clazz.getInterfaceNames();
for (final String interface1 : interfaces) {
addInterface(interface1);
}
for (final Attribute attribute : attributes) {
if (!(attribute instanceof Annotations)) {
addAttribute(attribute);
}
}
for (final AnnotationEntryGen annotation : annotations) {
addAnnotationEntry(annotation);
}
for (final Method method : methods) {
addMethod(method);
}
for (final Field field : fields) {
addField(field);
}
}
Example #12
| Source File: FieldGen.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/**
* Get field object after having set up all necessary values.
*/
public Field getField() {
final String signature = getSignature();
final int name_index = super.getConstantPool().addUtf8(super.getName());
final int signature_index = super.getConstantPool().addUtf8(signature);
if (value != null) {
checkType(super.getType());
final int index = addConstant();
addAttribute(new ConstantValue(super.getConstantPool().addUtf8("ConstantValue"), 2, index,
super.getConstantPool().getConstantPool())); // sic
}
addAnnotationsAsAttribute(super.getConstantPool());
return new Field(super.getAccessFlags(), name_index, signature_index, getAttributes(),
super.getConstantPool().getConstantPool()); // sic
}
Example #13
| Source File: Variable.java From hottub with GNU General Public License v2.0 | 4 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Don't generate code for unreferenced variables
if (_refs.isEmpty()) {
_ignore = true;
}
// Make sure that a variable instance is only compiled once
if (_ignore) return;
_ignore = true;
final String name = getEscapedName();
if (isLocal()) {
// Compile variable value computation
translateValue(classGen, methodGen);
// Add a new local variable and store value
boolean createLocal = _local == null;
if (createLocal) {
mapRegister(methodGen);
}
InstructionHandle storeInst =
il.append(_type.STORE(_local.getIndex()));
// If the local is just being created, mark the store as the start
// of its live range. Note that it might have been created by
// initializeVariables already, which would have set the start of
// the live range already.
if (createLocal) {
_local.setStart(storeInst);
}
}
else {
String signature = _type.toSignature();
// Global variables are store in class fields
if (classGen.containsField(name) == null) {
classGen.addField(new Field(ACC_PUBLIC,
cpg.addUtf8(name),
cpg.addUtf8(signature),
null, cpg.getConstantPool()));
// Push a reference to "this" for putfield
il.append(classGen.loadTranslet());
// Compile variable value computation
translateValue(classGen, methodGen);
// Store the variable in the allocated field
il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(),
name, signature)));
}
}
}
Example #14
| Source File: ClassGen.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public Field[] getFields() {
return field_vec.toArray(new Field[field_vec.size()]);
}
Example #15
| Source File: Sort.java From hottub with GNU General Public License v2.0 | 4 votes |
|
/**
* Create a new auxillary class extending NodeSortRecord.
*/
private static String compileSortRecord(Vector<Sort> sortObjects,
ClassGenerator classGen,
MethodGenerator methodGen) {
final XSLTC xsltc = sortObjects.firstElement().getXSLTC();
final String className = xsltc.getHelperClassName();
// This generates a new class for handling this specific sort
final NodeSortRecordGenerator sortRecord =
new NodeSortRecordGenerator(className,
NODE_SORT_RECORD,
"sort$0.java",
ACC_PUBLIC | ACC_SUPER | ACC_FINAL,
new String[] {},
classGen.getStylesheet());
final ConstantPoolGen cpg = sortRecord.getConstantPool();
// Add a new instance variable for each var in closure
final int nsorts = sortObjects.size();
final ArrayList<VariableRefBase> dups = new ArrayList<>();
for (int j = 0; j < nsorts; j++) {
final Sort sort = sortObjects.get(j);
// Set the name of the inner class in this sort object
sort.setInnerClassName(className);
final int length = (sort._closureVars == null) ? 0 :
sort._closureVars.size();
for (int i = 0; i < length; i++) {
final VariableRefBase varRef = (VariableRefBase) sort._closureVars.get(i);
// Discard duplicate variable references
if (dups.contains(varRef)) continue;
final VariableBase var = varRef.getVariable();
sortRecord.addField(new Field(ACC_PUBLIC,
cpg.addUtf8(var.getEscapedName()),
cpg.addUtf8(var.getType().toSignature()),
null, cpg.getConstantPool()));
dups.add(varRef);
}
}
MethodGenerator init = compileInit(sortRecord, cpg, className);
MethodGenerator extract = compileExtract(sortObjects, sortRecord,
cpg, className);
sortRecord.addMethod(init);
sortRecord.addMethod(extract);
xsltc.dumpClass(sortRecord.getJavaClass());
return className;
}
Example #16
| Source File: StepPattern.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
private void translateGeneralContext(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
int iteratorIndex = 0;
BranchHandle ifBlock = null;
LocalVariableGen iter, node, node2;
final String iteratorName = getNextFieldName();
// Store node on the stack into a local variable
node = methodGen.addLocalVariable("step_pattern_tmp1",
Util.getJCRefType(NODE_SIG),
null, null);
node.setStart(il.append(new ISTORE(node.getIndex())));
// Create a new local to store the iterator
iter = methodGen.addLocalVariable("step_pattern_tmp2",
Util.getJCRefType(NODE_ITERATOR_SIG),
null, null);
// Add a new private field if this is the main class
if (!classGen.isExternal()) {
final Field iterator =
new Field(ACC_PRIVATE,
cpg.addUtf8(iteratorName),
cpg.addUtf8(NODE_ITERATOR_SIG),
null, cpg.getConstantPool());
classGen.addField(iterator);
iteratorIndex = cpg.addFieldref(classGen.getClassName(),
iteratorName,
NODE_ITERATOR_SIG);
il.append(classGen.loadTranslet());
il.append(new GETFIELD(iteratorIndex));
il.append(DUP);
iter.setStart(il.append(new ASTORE(iter.getIndex())));
ifBlock = il.append(new IFNONNULL(null));
il.append(classGen.loadTranslet());
}
// Compile the step created at type checking time
_step.translate(classGen, methodGen);
InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex()));
// If in the main class update the field too
if (!classGen.isExternal()) {
il.append(new ALOAD(iter.getIndex()));
il.append(new PUTFIELD(iteratorIndex));
ifBlock.setTarget(il.append(NOP));
} else {
// If class is not external, start of range for iter variable was
// set above
iter.setStart(iterStore);
}
// Get the parent of the node on the stack
il.append(methodGen.loadDOM());
il.append(new ILOAD(node.getIndex()));
int index = cpg.addInterfaceMethodref(DOM_INTF,
GET_PARENT, GET_PARENT_SIG);
il.append(new INVOKEINTERFACE(index, 2));
// Initialize the iterator with the parent
il.append(new ALOAD(iter.getIndex()));
il.append(SWAP);
il.append(methodGen.setStartNode());
/*
* Inline loop:
*
* int node2;
* while ((node2 = iter.next()) != NodeIterator.END
* && node2 < node);
* return node2 == node;
*/
BranchHandle skipNext;
InstructionHandle begin, next;
node2 = methodGen.addLocalVariable("step_pattern_tmp3",
Util.getJCRefType(NODE_SIG),
null, null);
skipNext = il.append(new GOTO(null));
next = il.append(new ALOAD(iter.getIndex()));
node2.setStart(next);
begin = il.append(methodGen.nextNode());
il.append(DUP);
il.append(new ISTORE(node2.getIndex()));
_falseList.add(il.append(new IFLT(null))); // NodeIterator.END
il.append(new ILOAD(node2.getIndex()));
il.append(new ILOAD(node.getIndex()));
iter.setEnd(il.append(new IF_ICMPLT(next)));
node2.setEnd(il.append(new ILOAD(node2.getIndex())));
node.setEnd(il.append(new ILOAD(node.getIndex())));
_falseList.add(il.append(new IF_ICMPNE(null)));
skipNext.setTarget(begin);
}
Example #17
| Source File: Number.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private void compileDefault(ClassGenerator classGen,
MethodGenerator methodGen) {
int index;
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
int[] fieldIndexes = getXSLTC().getNumberFieldIndexes();
if (fieldIndexes[_level] == -1) {
Field defaultNode = new Field(ACC_PRIVATE,
cpg.addUtf8(FieldNames[_level]),
cpg.addUtf8(NODE_COUNTER_SIG),
null,
cpg.getConstantPool());
// Add a new private field to this class
classGen.addField(defaultNode);
// Get a reference to the newly added field
fieldIndexes[_level] = cpg.addFieldref(classGen.getClassName(),
FieldNames[_level],
NODE_COUNTER_SIG);
}
// Check if field is initialized (runtime)
il.append(classGen.loadTranslet());
il.append(new GETFIELD(fieldIndexes[_level]));
final BranchHandle ifBlock1 = il.append(new IFNONNULL(null));
// Create an instance of DefaultNodeCounter
index = cpg.addMethodref(ClassNames[_level],
"getDefaultNodeCounter",
"(" + TRANSLET_INTF_SIG
+ DOM_INTF_SIG
+ NODE_ITERATOR_SIG
+ ")" + NODE_COUNTER_SIG);
il.append(classGen.loadTranslet());
il.append(methodGen.loadDOM());
il.append(methodGen.loadIterator());
il.append(new INVOKESTATIC(index));
il.append(DUP);
// Store the node counter in the field
il.append(classGen.loadTranslet());
il.append(SWAP);
il.append(new PUTFIELD(fieldIndexes[_level]));
final BranchHandle ifBlock2 = il.append(new GOTO(null));
// Backpatch conditionals
ifBlock1.setTarget(il.append(classGen.loadTranslet()));
il.append(new GETFIELD(fieldIndexes[_level]));
ifBlock2.setTarget(il.append(NOP));
}
Example #18
| Source File: Param.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (_ignore) return;
_ignore = true;
/*
* To fix bug 24518 related to setting parameters of the form
* {namespaceuri}localName which will get mapped to an instance
* variable in the class.
*/
final String name = BasisLibrary.mapQNameToJavaName(_name.toString());
final String signature = _type.toSignature();
final String className = _type.getClassName();
if (isLocal()) {
/*
* If simple named template then generate a conditional init of the
* param using its default value:
* if (param == null) param = <default-value>
*/
if (_isInSimpleNamedTemplate) {
il.append(loadInstruction());
BranchHandle ifBlock = il.append(new IFNONNULL(null));
translateValue(classGen, methodGen);
il.append(storeInstruction());
ifBlock.setTarget(il.append(NOP));
return;
}
il.append(classGen.loadTranslet());
il.append(new PUSH(cpg, name));
translateValue(classGen, methodGen);
il.append(new PUSH(cpg, true));
// Call addParameter() from this class
il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
ADD_PARAMETER,
ADD_PARAMETER_SIG)));
if (className != EMPTYSTRING) {
il.append(new CHECKCAST(cpg.addClass(className)));
}
_type.translateUnBox(classGen, methodGen);
if (_refs.isEmpty()) { // nobody uses the value
il.append(_type.POP());
_local = null;
}
else { // normal case
_local = methodGen.addLocalVariable2(name,
_type.toJCType(),
il.getEnd());
// Cache the result of addParameter() in a local variable
il.append(_type.STORE(_local.getIndex()));
}
}
else {
if (classGen.containsField(name) == null) {
classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name),
cpg.addUtf8(signature),
null, cpg.getConstantPool()));
il.append(classGen.loadTranslet());
il.append(DUP);
il.append(new PUSH(cpg, name));
translateValue(classGen, methodGen);
il.append(new PUSH(cpg, true));
// Call addParameter() from this class
il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
ADD_PARAMETER,
ADD_PARAMETER_SIG)));
_type.translateUnBox(classGen, methodGen);
// Cache the result of addParameter() in a field
if (className != EMPTYSTRING) {
il.append(new CHECKCAST(cpg.addClass(className)));
}
il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(),
name, signature)));
}
}
}
Example #19
| Source File: StepPattern.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private void translateGeneralContext(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
int iteratorIndex = 0;
BranchHandle ifBlock = null;
LocalVariableGen iter, node, node2;
final String iteratorName = getNextFieldName();
// Store node on the stack into a local variable
node = methodGen.addLocalVariable("step_pattern_tmp1",
Util.getJCRefType(NODE_SIG),
null, null);
node.setStart(il.append(new ISTORE(node.getIndex())));
// Create a new local to store the iterator
iter = methodGen.addLocalVariable("step_pattern_tmp2",
Util.getJCRefType(NODE_ITERATOR_SIG),
null, null);
// Add a new private field if this is the main class
if (!classGen.isExternal()) {
final Field iterator =
new Field(ACC_PRIVATE,
cpg.addUtf8(iteratorName),
cpg.addUtf8(NODE_ITERATOR_SIG),
null, cpg.getConstantPool());
classGen.addField(iterator);
iteratorIndex = cpg.addFieldref(classGen.getClassName(),
iteratorName,
NODE_ITERATOR_SIG);
il.append(classGen.loadTranslet());
il.append(new GETFIELD(iteratorIndex));
il.append(DUP);
iter.setStart(il.append(new ASTORE(iter.getIndex())));
ifBlock = il.append(new IFNONNULL(null));
il.append(classGen.loadTranslet());
}
// Compile the step created at type checking time
_step.translate(classGen, methodGen);
InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex()));
// If in the main class update the field too
if (!classGen.isExternal()) {
il.append(new ALOAD(iter.getIndex()));
il.append(new PUTFIELD(iteratorIndex));
ifBlock.setTarget(il.append(NOP));
} else {
// If class is not external, start of range for iter variable was
// set above
iter.setStart(iterStore);
}
// Get the parent of the node on the stack
il.append(methodGen.loadDOM());
il.append(new ILOAD(node.getIndex()));
int index = cpg.addInterfaceMethodref(DOM_INTF,
GET_PARENT, GET_PARENT_SIG);
il.append(new INVOKEINTERFACE(index, 2));
// Initialize the iterator with the parent
il.append(new ALOAD(iter.getIndex()));
il.append(SWAP);
il.append(methodGen.setStartNode());
/*
* Inline loop:
*
* int node2;
* while ((node2 = iter.next()) != NodeIterator.END
* && node2 < node);
* return node2 == node;
*/
BranchHandle skipNext;
InstructionHandle begin, next;
node2 = methodGen.addLocalVariable("step_pattern_tmp3",
Util.getJCRefType(NODE_SIG),
null, null);
skipNext = il.append(new GOTO(null));
next = il.append(new ALOAD(iter.getIndex()));
node2.setStart(next);
begin = il.append(methodGen.nextNode());
il.append(DUP);
il.append(new ISTORE(node2.getIndex()));
_falseList.add(il.append(new IFLT(null))); // NodeIterator.END
il.append(new ILOAD(node2.getIndex()));
il.append(new ILOAD(node.getIndex()));
iter.setEnd(il.append(new IF_ICMPLT(next)));
node2.setEnd(il.append(new ILOAD(node2.getIndex())));
node.setEnd(il.append(new ILOAD(node.getIndex())));
_falseList.add(il.append(new IF_ICMPNE(null)));
skipNext.setTarget(begin);
}
Example #20
| Source File: Variable.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Don't generate code for unreferenced variables
if (_refs.isEmpty()) {
_ignore = true;
}
// Make sure that a variable instance is only compiled once
if (_ignore) return;
_ignore = true;
final String name = getEscapedName();
if (isLocal()) {
// Compile variable value computation
translateValue(classGen, methodGen);
// Add a new local variable and store value
boolean createLocal = _local == null;
if (createLocal) {
mapRegister(methodGen);
}
InstructionHandle storeInst =
il.append(_type.STORE(_local.getIndex()));
// If the local is just being created, mark the store as the start
// of its live range. Note that it might have been created by
// initializeVariables already, which would have set the start of
// the live range already.
if (createLocal) {
_local.setStart(storeInst);
}
}
else {
String signature = _type.toSignature();
// Global variables are store in class fields
if (classGen.containsField(name) == null) {
classGen.addField(new Field(ACC_PUBLIC,
cpg.addUtf8(name),
cpg.addUtf8(signature),
null, cpg.getConstantPool()));
// Push a reference to "this" for putfield
il.append(classGen.loadTranslet());
// Compile variable value computation
translateValue(classGen, methodGen);
// Store the variable in the allocated field
il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(),
name, signature)));
}
}
}
Example #21
| Source File: Sort.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Create a new auxillary class extending NodeSortRecord.
*/
private static String compileSortRecord(Vector sortObjects,
ClassGenerator classGen,
MethodGenerator methodGen) {
final XSLTC xsltc = ((Sort)sortObjects.firstElement()).getXSLTC();
final String className = xsltc.getHelperClassName();
// This generates a new class for handling this specific sort
final NodeSortRecordGenerator sortRecord =
new NodeSortRecordGenerator(className,
NODE_SORT_RECORD,
"sort$0.java",
ACC_PUBLIC | ACC_SUPER | ACC_FINAL,
new String[] {},
classGen.getStylesheet());
final ConstantPoolGen cpg = sortRecord.getConstantPool();
// Add a new instance variable for each var in closure
final int nsorts = sortObjects.size();
final ArrayList dups = new ArrayList();
for (int j = 0; j < nsorts; j++) {
final Sort sort = (Sort) sortObjects.get(j);
// Set the name of the inner class in this sort object
sort.setInnerClassName(className);
final int length = (sort._closureVars == null) ? 0 :
sort._closureVars.size();
for (int i = 0; i < length; i++) {
final VariableRefBase varRef = (VariableRefBase) sort._closureVars.get(i);
// Discard duplicate variable references
if (dups.contains(varRef)) continue;
final VariableBase var = varRef.getVariable();
sortRecord.addField(new Field(ACC_PUBLIC,
cpg.addUtf8(var.getEscapedName()),
cpg.addUtf8(var.getType().toSignature()),
null, cpg.getConstantPool()));
dups.add(varRef);
}
}
MethodGenerator init = compileInit(sortObjects, sortRecord,
cpg, className);
MethodGenerator extract = compileExtract(sortObjects, sortRecord,
cpg, className);
sortRecord.addMethod(init);
sortRecord.addMethod(extract);
xsltc.dumpClass(sortRecord.getJavaClass());
return className;
}
Example #22
| Source File: Number.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private void compileDefault(ClassGenerator classGen,
MethodGenerator methodGen) {
int index;
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
int[] fieldIndexes = getXSLTC().getNumberFieldIndexes();
if (fieldIndexes[_level] == -1) {
Field defaultNode = new Field(ACC_PRIVATE,
cpg.addUtf8(FieldNames[_level]),
cpg.addUtf8(NODE_COUNTER_SIG),
null,
cpg.getConstantPool());
// Add a new private field to this class
classGen.addField(defaultNode);
// Get a reference to the newly added field
fieldIndexes[_level] = cpg.addFieldref(classGen.getClassName(),
FieldNames[_level],
NODE_COUNTER_SIG);
}
// Check if field is initialized (runtime)
il.append(classGen.loadTranslet());
il.append(new GETFIELD(fieldIndexes[_level]));
final BranchHandle ifBlock1 = il.append(new IFNONNULL(null));
// Create an instance of DefaultNodeCounter
index = cpg.addMethodref(ClassNames[_level],
"getDefaultNodeCounter",
"(" + TRANSLET_INTF_SIG
+ DOM_INTF_SIG
+ NODE_ITERATOR_SIG
+ ")" + NODE_COUNTER_SIG);
il.append(classGen.loadTranslet());
il.append(methodGen.loadDOM());
il.append(methodGen.loadIterator());
il.append(new INVOKESTATIC(index));
il.append(DUP);
// Store the node counter in the field
il.append(classGen.loadTranslet());
il.append(SWAP);
il.append(new PUTFIELD(fieldIndexes[_level]));
final BranchHandle ifBlock2 = il.append(new GOTO(null));
// Backpatch conditionals
ifBlock1.setTarget(il.append(classGen.loadTranslet()));
il.append(new GETFIELD(fieldIndexes[_level]));
ifBlock2.setTarget(il.append(NOP));
}
Example #23
| Source File: Param.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (_ignore) return;
_ignore = true;
/*
* To fix bug 24518 related to setting parameters of the form
* {namespaceuri}localName which will get mapped to an instance
* variable in the class.
*/
final String name = BasisLibrary.mapQNameToJavaName(_name.toString());
final String signature = _type.toSignature();
final String className = _type.getClassName();
if (isLocal()) {
/*
* If simple named template then generate a conditional init of the
* param using its default value:
* if (param == null) param = <default-value>
*/
if (_isInSimpleNamedTemplate) {
il.append(loadInstruction());
BranchHandle ifBlock = il.append(new IFNONNULL(null));
translateValue(classGen, methodGen);
il.append(storeInstruction());
ifBlock.setTarget(il.append(NOP));
return;
}
il.append(classGen.loadTranslet());
il.append(new PUSH(cpg, name));
translateValue(classGen, methodGen);
il.append(new PUSH(cpg, true));
// Call addParameter() from this class
il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
ADD_PARAMETER,
ADD_PARAMETER_SIG)));
if (className != EMPTYSTRING) {
il.append(new CHECKCAST(cpg.addClass(className)));
}
_type.translateUnBox(classGen, methodGen);
if (_refs.isEmpty()) { // nobody uses the value
il.append(_type.POP());
_local = null;
}
else { // normal case
_local = methodGen.addLocalVariable2(name,
_type.toJCType(),
il.getEnd());
// Cache the result of addParameter() in a local variable
il.append(_type.STORE(_local.getIndex()));
}
}
else {
if (classGen.containsField(name) == null) {
classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name),
cpg.addUtf8(signature),
null, cpg.getConstantPool()));
il.append(classGen.loadTranslet());
il.append(DUP);
il.append(new PUSH(cpg, name));
translateValue(classGen, methodGen);
il.append(new PUSH(cpg, true));
// Call addParameter() from this class
il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
ADD_PARAMETER,
ADD_PARAMETER_SIG)));
_type.translateUnBox(classGen, methodGen);
// Cache the result of addParameter() in a field
if (className != EMPTYSTRING) {
il.append(new CHECKCAST(cpg.addClass(className)));
}
il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(),
name, signature)));
}
}
}
Example #24
| Source File: StepPattern.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private void translateGeneralContext(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
int iteratorIndex = 0;
BranchHandle ifBlock = null;
LocalVariableGen iter, node, node2;
final String iteratorName = getNextFieldName();
// Store node on the stack into a local variable
node = methodGen.addLocalVariable("step_pattern_tmp1",
Util.getJCRefType(NODE_SIG),
null, null);
node.setStart(il.append(new ISTORE(node.getIndex())));
// Create a new local to store the iterator
iter = methodGen.addLocalVariable("step_pattern_tmp2",
Util.getJCRefType(NODE_ITERATOR_SIG),
null, null);
// Add a new private field if this is the main class
if (!classGen.isExternal()) {
final Field iterator =
new Field(ACC_PRIVATE,
cpg.addUtf8(iteratorName),
cpg.addUtf8(NODE_ITERATOR_SIG),
null, cpg.getConstantPool());
classGen.addField(iterator);
iteratorIndex = cpg.addFieldref(classGen.getClassName(),
iteratorName,
NODE_ITERATOR_SIG);
il.append(classGen.loadTranslet());
il.append(new GETFIELD(iteratorIndex));
il.append(DUP);
iter.setStart(il.append(new ASTORE(iter.getIndex())));
ifBlock = il.append(new IFNONNULL(null));
il.append(classGen.loadTranslet());
}
// Compile the step created at type checking time
_step.translate(classGen, methodGen);
InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex()));
// If in the main class update the field too
if (!classGen.isExternal()) {
il.append(new ALOAD(iter.getIndex()));
il.append(new PUTFIELD(iteratorIndex));
ifBlock.setTarget(il.append(NOP));
} else {
// If class is not external, start of range for iter variable was
// set above
iter.setStart(iterStore);
}
// Get the parent of the node on the stack
il.append(methodGen.loadDOM());
il.append(new ILOAD(node.getIndex()));
int index = cpg.addInterfaceMethodref(DOM_INTF,
GET_PARENT, GET_PARENT_SIG);
il.append(new INVOKEINTERFACE(index, 2));
// Initialize the iterator with the parent
il.append(new ALOAD(iter.getIndex()));
il.append(SWAP);
il.append(methodGen.setStartNode());
/*
* Inline loop:
*
* int node2;
* while ((node2 = iter.next()) != NodeIterator.END
* && node2 < node);
* return node2 == node;
*/
BranchHandle skipNext;
InstructionHandle begin, next;
node2 = methodGen.addLocalVariable("step_pattern_tmp3",
Util.getJCRefType(NODE_SIG),
null, null);
skipNext = il.append(new GOTO(null));
next = il.append(new ALOAD(iter.getIndex()));
node2.setStart(next);
begin = il.append(methodGen.nextNode());
il.append(DUP);
il.append(new ISTORE(node2.getIndex()));
_falseList.add(il.append(new IFLT(null))); // NodeIterator.END
il.append(new ILOAD(node2.getIndex()));
il.append(new ILOAD(node.getIndex()));
iter.setEnd(il.append(new IF_ICMPLT(next)));
node2.setEnd(il.append(new ILOAD(node2.getIndex())));
node.setEnd(il.append(new ILOAD(node.getIndex())));
_falseList.add(il.append(new IF_ICMPNE(null)));
skipNext.setTarget(begin);
}
Example #25
| Source File: Sort.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Create a new auxillary class extending NodeSortRecord.
*/
private static String compileSortRecord(Vector sortObjects,
ClassGenerator classGen,
MethodGenerator methodGen) {
final XSLTC xsltc = ((Sort)sortObjects.firstElement()).getXSLTC();
final String className = xsltc.getHelperClassName();
// This generates a new class for handling this specific sort
final NodeSortRecordGenerator sortRecord =
new NodeSortRecordGenerator(className,
NODE_SORT_RECORD,
"sort$0.java",
ACC_PUBLIC | ACC_SUPER | ACC_FINAL,
new String[] {},
classGen.getStylesheet());
final ConstantPoolGen cpg = sortRecord.getConstantPool();
// Add a new instance variable for each var in closure
final int nsorts = sortObjects.size();
final ArrayList dups = new ArrayList();
for (int j = 0; j < nsorts; j++) {
final Sort sort = (Sort) sortObjects.get(j);
// Set the name of the inner class in this sort object
sort.setInnerClassName(className);
final int length = (sort._closureVars == null) ? 0 :
sort._closureVars.size();
for (int i = 0; i < length; i++) {
final VariableRefBase varRef = (VariableRefBase) sort._closureVars.get(i);
// Discard duplicate variable references
if (dups.contains(varRef)) continue;
final VariableBase var = varRef.getVariable();
sortRecord.addField(new Field(ACC_PUBLIC,
cpg.addUtf8(var.getEscapedName()),
cpg.addUtf8(var.getType().toSignature()),
null, cpg.getConstantPool()));
dups.add(varRef);
}
}
MethodGenerator init = compileInit(sortObjects, sortRecord,
cpg, className);
MethodGenerator extract = compileExtract(sortObjects, sortRecord,
cpg, className);
sortRecord.addMethod(init);
sortRecord.addMethod(extract);
xsltc.dumpClass(sortRecord.getJavaClass());
return className;
}
Example #26
| Source File: Sort.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Create a new auxillary class extending NodeSortRecord.
*/
private static String compileSortRecord(Vector<Sort> sortObjects,
ClassGenerator classGen,
MethodGenerator methodGen) {
final XSLTC xsltc = sortObjects.firstElement().getXSLTC();
final String className = xsltc.getHelperClassName();
// This generates a new class for handling this specific sort
final NodeSortRecordGenerator sortRecord =
new NodeSortRecordGenerator(className,
NODE_SORT_RECORD,
"sort$0.java",
ACC_PUBLIC | ACC_SUPER | ACC_FINAL,
new String[] {},
classGen.getStylesheet());
final ConstantPoolGen cpg = sortRecord.getConstantPool();
// Add a new instance variable for each var in closure
final int nsorts = sortObjects.size();
final ArrayList<VariableRefBase> dups = new ArrayList<>();
for (int j = 0; j < nsorts; j++) {
final Sort sort = sortObjects.get(j);
// Set the name of the inner class in this sort object
sort.setInnerClassName(className);
final int length = (sort._closureVars == null) ? 0 :
sort._closureVars.size();
for (int i = 0; i < length; i++) {
final VariableRefBase varRef = (VariableRefBase) sort._closureVars.get(i);
// Discard duplicate variable references
if (dups.contains(varRef)) continue;
final VariableBase var = varRef.getVariable();
sortRecord.addField(new Field(ACC_PUBLIC,
cpg.addUtf8(var.getEscapedName()),
cpg.addUtf8(var.getType().toSignature()),
null, cpg.getConstantPool()));
dups.add(varRef);
}
}
MethodGenerator init = compileInit(sortRecord, cpg, className);
MethodGenerator extract = compileExtract(sortObjects, sortRecord,
cpg, className);
sortRecord.addMethod(init);
sortRecord.addMethod(extract);
xsltc.dumpClass(sortRecord.getJavaClass());
return className;
}
Example #27
| Source File: Variable.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Don't generate code for unreferenced variables
if (_refs.isEmpty()) {
_ignore = true;
}
// Make sure that a variable instance is only compiled once
if (_ignore) return;
_ignore = true;
final String name = getEscapedName();
if (isLocal()) {
// Compile variable value computation
translateValue(classGen, methodGen);
// Add a new local variable and store value
boolean createLocal = _local == null;
if (createLocal) {
mapRegister(methodGen);
}
InstructionHandle storeInst =
il.append(_type.STORE(_local.getIndex()));
// If the local is just being created, mark the store as the start
// of its live range. Note that it might have been created by
// initializeVariables already, which would have set the start of
// the live range already.
if (createLocal) {
_local.setStart(storeInst);
}
}
else {
String signature = _type.toSignature();
// Global variables are store in class fields
if (classGen.containsField(name) == null) {
classGen.addField(new Field(ACC_PUBLIC,
cpg.addUtf8(name),
cpg.addUtf8(signature),
null, cpg.getConstantPool()));
// Push a reference to "this" for putfield
il.append(classGen.loadTranslet());
// Compile variable value computation
translateValue(classGen, methodGen);
// Store the variable in the allocated field
il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(),
name, signature)));
}
}
}
Example #28
| Source File: Number.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
private void compileDefault(ClassGenerator classGen,
MethodGenerator methodGen) {
int index;
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
int[] fieldIndexes = getXSLTC().getNumberFieldIndexes();
if (fieldIndexes[_level] == -1) {
Field defaultNode = new Field(ACC_PRIVATE,
cpg.addUtf8(FieldNames[_level]),
cpg.addUtf8(NODE_COUNTER_SIG),
null,
cpg.getConstantPool());
// Add a new private field to this class
classGen.addField(defaultNode);
// Get a reference to the newly added field
fieldIndexes[_level] = cpg.addFieldref(classGen.getClassName(),
FieldNames[_level],
NODE_COUNTER_SIG);
}
// Check if field is initialized (runtime)
il.append(classGen.loadTranslet());
il.append(new GETFIELD(fieldIndexes[_level]));
final BranchHandle ifBlock1 = il.append(new IFNONNULL(null));
// Create an instance of DefaultNodeCounter
index = cpg.addMethodref(ClassNames[_level],
"getDefaultNodeCounter",
"(" + TRANSLET_INTF_SIG
+ DOM_INTF_SIG
+ NODE_ITERATOR_SIG
+ ")" + NODE_COUNTER_SIG);
il.append(classGen.loadTranslet());
il.append(methodGen.loadDOM());
il.append(methodGen.loadIterator());
il.append(new INVOKESTATIC(index));
il.append(DUP);
// Store the node counter in the field
il.append(classGen.loadTranslet());
il.append(SWAP);
il.append(new PUTFIELD(fieldIndexes[_level]));
final BranchHandle ifBlock2 = il.append(new GOTO(null));
// Backpatch conditionals
ifBlock1.setTarget(il.append(classGen.loadTranslet()));
il.append(new GETFIELD(fieldIndexes[_level]));
ifBlock2.setTarget(il.append(NOP));
}
Example #29
| Source File: BCELifier.java From Bytecoder with Apache License 2.0 | 4 votes |
|
@Override
public void visitJavaClass( final JavaClass clazz ) {
String class_name = clazz.getClassName();
final String super_name = clazz.getSuperclassName();
final String package_name = clazz.getPackageName();
final String inter = Utility.printArray(clazz.getInterfaceNames(), false, true);
if (!"".equals(package_name)) {
class_name = class_name.substring(package_name.length() + 1);
_out.println("package " + package_name + ";");
_out.println();
}
_out.println("import " + BASE_PACKAGE + ".generic.*;");
_out.println("import " + BASE_PACKAGE + ".classfile.*;");
_out.println("import " + BASE_PACKAGE + ".*;");
_out.println("import java.io.*;");
_out.println();
_out.println("public class " + class_name + "Creator {");
_out.println(" private InstructionFactory _factory;");
_out.println(" private ConstantPoolGen _cp;");
_out.println(" private ClassGen _cg;");
_out.println();
_out.println(" public " + class_name + "Creator() {");
_out.println(" _cg = new ClassGen(\""
+ (("".equals(package_name)) ? class_name : package_name + "." + class_name)
+ "\", \"" + super_name + "\", " + "\"" + clazz.getSourceFileName() + "\", "
+ printFlags(clazz.getAccessFlags(), FLAGS.CLASS) + ", "
+ "new String[] { " + inter + " });");
_out.println();
_out.println(" _cp = _cg.getConstantPool();");
_out.println(" _factory = new InstructionFactory(_cg, _cp);");
_out.println(" }");
_out.println();
printCreate();
final Field[] fields = clazz.getFields();
if (fields.length > 0) {
_out.println(" private void createFields() {");
_out.println(" FieldGen field;");
for (final Field field : fields) {
field.accept(this);
}
_out.println(" }");
_out.println();
}
final Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
_out.println(" private void createMethod_" + i + "() {");
methods[i].accept(this);
_out.println(" }");
_out.println();
}
printMain();
_out.println("}");
}
Example #30
| Source File: ClassGen.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public boolean containsField( final Field f ) {
return field_vec.contains(f);
}
