JDK 17 java.xml.jmod - XML Module
JDK 17 java.xml.jmod is the JMOD file for JDK 17 XML (eXtensible Markup Language) module.
JDK 17 XML module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.xml.jmod.
JDK 17 XML module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 XML module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.xml.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ com/sun/org/apache/xalan/internal/xsltc/compiler/TestSeq.java
/*
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: TestSeq.java,v 1.2.4.1 2005/09/12 11:31:38 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler;
import com.sun.org.apache.bcel.internal.generic.GOTO_W;
import com.sun.org.apache.bcel.internal.generic.InstructionHandle;
import com.sun.org.apache.bcel.internal.generic.InstructionList;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* A test sequence is a sequence of patterns that
*
* (1) occured in templates in the same mode
* (2) share the same kernel node type (e.g. A/B and C/C/B)
* (3) may also contain patterns matching "*" and "node()"
* (element sequence only) or matching "@*" (attribute
* sequence only).
*
* A test sequence may have a default template, which will be
* instantiated if none of the other patterns match.
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
* @author Erwin Bolwidt <ejb@klomp.org>
* @author Morten Jorgensen
* @LastModified: Nov 2017
*/
final class TestSeq {
/**
* Integer code for the kernel type of this test sequence
*/
private int _kernelType;
/**
* ArrayList of all patterns in the test sequence. May include
* patterns with "*", "@*" or "node()" kernel.
*/
private List<LocationPathPattern> _patterns = null;
/**
* A reference to the Mode object.
*/
private Mode _mode = null;
/**
* Default template for this test sequence
*/
private Template _default = null;
/**
* Instruction list representing this test sequence.
*/
private InstructionList _instructionList;
/**
* Cached handle to avoid compiling more than once.
*/
private InstructionHandle _start = null;
/**
* Creates a new test sequence given a set of patterns and a mode.
*/
public TestSeq(List<LocationPathPattern> patterns, Mode mode) {
this(patterns, -2, mode);
}
public TestSeq(List<LocationPathPattern> patterns, int kernelType, Mode mode) {
_patterns = patterns;
_kernelType = kernelType;
_mode = mode;
}
/**
* Returns a string representation of this test sequence. Notice
* that test sequences are mutable, so the value returned by this
* method is different before and after calling reduce().
*/
public String toString() {
final int count = _patterns.size();
final StringBuffer result = new StringBuffer();
for (int i = 0; i < count; i++) {
final LocationPathPattern pattern = _patterns.get(i);
if (i == 0) {
result.append("Testseq for kernel ").append(_kernelType)
.append('\n');
}
result.append(" pattern ").append(i).append(": ")
.append(pattern.toString())
.append('\n');
}
return result.toString();
}
/**
* Returns the instruction list for this test sequence
*/
public InstructionList getInstructionList() {
return _instructionList;
}
/**
* Return the highest priority for a pattern in this test
* sequence. This is either the priority of the first or
* of the default pattern.
*/
public double getPriority() {
final Template template = (_patterns.isEmpty()) ? _default
: ((Pattern) _patterns.get(0)).getTemplate();
return template.getPriority();
}
/**
* Returns the position of the highest priority pattern in
* this test sequence.
*/
public int getPosition() {
final Template template = (_patterns.isEmpty()) ? _default
: ((Pattern) _patterns.get(0)).getTemplate();
return template.getPosition();
}
/**
* Reduce the patterns in this test sequence. Creates a new
* vector of patterns and sets the default pattern if it
* finds a patterns that is fully reduced.
*/
public void reduce() {
final List<LocationPathPattern> newPatterns = new ArrayList<>();
for (LocationPathPattern pattern : _patterns) {
// Reduce this pattern
pattern.reduceKernelPattern();
// Is this pattern fully reduced?
if (pattern.isWildcard()) {
_default = pattern.getTemplate();
break; // Ignore following patterns
}
else {
newPatterns.add(pattern);
}
}
_patterns = newPatterns;
}
/**
* Returns, by reference, the templates that are included in
* this test sequence. Note that a single template can occur
* in several test sequences if its pattern is a union.
*/
public void findTemplates(Map<Template, Object> templates) {
if (_default != null) {
templates.put(_default, this);
}
for (LocationPathPattern pattern : _patterns) {
templates.put(pattern.getTemplate(), this);
}
}
/**
* Get the instruction handle to a template's code. This is
* used when a single template occurs in several test
* sequences; that is, if its pattern is a union of patterns
* (e.g. match="A/B | A/C").
*/
private InstructionHandle getTemplateHandle(Template template) {
return _mode.getTemplateInstructionHandle(template);
}
/**
* Returns pattern n in this test sequence
*/
private LocationPathPattern getPattern(int n) {
return _patterns.get(n);
}
/**
* Compile the code for this test sequence. Compile patterns
* from highest to lowest priority. Note that since patterns
* can be share by multiple test sequences, instruction lists
* must be copied before backpatching.
*/
public InstructionHandle compile(ClassGenerator classGen,
MethodGenerator methodGen,
InstructionHandle continuation)
{
// Returned cached value if already compiled
if (_start != null) {
return _start;
}
// If not patterns, then return handle for default template
final int count = _patterns.size();
if (count == 0) {
return (_start = getTemplateHandle(_default));
}
// Init handle to jump when all patterns failed
InstructionHandle fail = (_default == null) ? continuation
: getTemplateHandle(_default);
// Compile all patterns in reverse order
for (int n = count - 1; n >= 0; n--) {
final LocationPathPattern pattern = getPattern(n);
final Template template = pattern.getTemplate();
final InstructionList il = new InstructionList();
// Patterns expect current node on top of stack
il.append(methodGen.loadCurrentNode());
// Apply the test-code compiled for the pattern
InstructionList ilist = methodGen.getInstructionList(pattern);
if (ilist == null) {
ilist = pattern.compile(classGen, methodGen);
methodGen.addInstructionList(pattern, ilist);
}
// Make a copy of the instruction list for backpatching
InstructionList copyOfilist = ilist.copy();
FlowList trueList = pattern.getTrueList();
if (trueList != null) {
trueList = trueList.copyAndRedirect(ilist, copyOfilist);
}
FlowList falseList = pattern.getFalseList();
if (falseList != null) {
falseList = falseList.copyAndRedirect(ilist, copyOfilist);
}
il.append(copyOfilist);
// On success branch to the template code
final InstructionHandle gtmpl = getTemplateHandle(template);
final InstructionHandle success = il.append(new GOTO_W(gtmpl));
if (trueList != null) {
trueList.backPatch(success);
}
if (falseList != null) {
falseList.backPatch(fail);
}
// Next pattern's 'fail' target is this pattern's first instruction
fail = il.getStart();
// Append existing instruction list to the end of this one
if (_instructionList != null) {
il.append(_instructionList);
}
// Set current instruction list to be this one
_instructionList = il;
}
return (_start = fail);
}
}
⏎ com/sun/org/apache/xalan/internal/xsltc/compiler/TestSeq.java
Or download all of them as a single archive file:
File name: java.xml-17.0.5-src.zip File size: 5047495 bytes Release date: 2022-09-13 Download
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