JDK 17 jdk.compiler.jmod - Compiler Tool
JDK 17 jdk.compiler.jmod is the JMOD file for JDK 17 Compiler tool,
which can be invoked by the "javac" command.
JDK 17 Compiler tool compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.compiler.jmod.
JDK 17 Compiler tool compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Compiler source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.compiler.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ com/sun/tools/javac/platform/JDKPlatformProvider.java
/*
* Copyright (c) 2014, 2021, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.tools.javac.platform;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URI;
import java.nio.charset.Charset;
import java.nio.file.DirectoryStream;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.ProviderNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.TreeSet;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.annotation.processing.Processor;
import javax.tools.ForwardingJavaFileObject;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileManager.Location;
import javax.tools.JavaFileObject;
import javax.tools.JavaFileObject.Kind;
import javax.tools.StandardJavaFileManager;
import javax.tools.StandardLocation;
import com.sun.source.util.Plugin;
import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.code.Source.Feature;
import com.sun.tools.javac.file.CacheFSInfo;
import com.sun.tools.javac.file.JavacFileManager;
import com.sun.tools.javac.jvm.Target;
import com.sun.tools.javac.main.Option;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.StringUtils;
/** PlatformProvider for JDK N.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class JDKPlatformProvider implements PlatformProvider {
@Override
public Iterable<String> getSupportedPlatformNames() {
return SUPPORTED_JAVA_PLATFORM_VERSIONS;
}
@Override
public PlatformDescription getPlatform(String platformName, String options) {
return new PlatformDescriptionImpl(platformName);
}
private static final String[] symbolFileLocation = { "lib", "ct.sym" };
private static final Set<String> SUPPORTED_JAVA_PLATFORM_VERSIONS;
public static final Comparator<String> NUMERICAL_COMPARATOR = (s1, s2) -> {
int i1;
try {
i1 = Integer.parseInt(s1);
} catch (NumberFormatException ex) {
i1 = Integer.MAX_VALUE;
}
int i2;
try {
i2 = Integer.parseInt(s2);
} catch (NumberFormatException ex) {
i2 = Integer.MAX_VALUE;
}
return i1 != i2 ? i1 - i2 : s1.compareTo(s2);
};
static {
SUPPORTED_JAVA_PLATFORM_VERSIONS = new TreeSet<>(NUMERICAL_COMPARATOR);
Path ctSymFile = findCtSym();
if (Files.exists(ctSymFile)) {
try (FileSystem fs = FileSystems.newFileSystem(ctSymFile, (ClassLoader)null);
DirectoryStream<Path> dir =
Files.newDirectoryStream(fs.getRootDirectories().iterator().next())) {
for (Path section : dir) {
if (section.getFileName().toString().contains("-"))
continue;
for (char ver : section.getFileName().toString().toCharArray()) {
String verString = Character.toString(ver);
Target t = Target.lookup("" + Integer.parseInt(verString, Character.MAX_RADIX));
if (t != null) {
SUPPORTED_JAVA_PLATFORM_VERSIONS.add(targetNumericVersion(t));
}
}
}
} catch (IOException | ProviderNotFoundException ex) {
}
}
}
private static String targetNumericVersion(Target target) {
return Integer.toString(target.ordinal() - Target.JDK1_1.ordinal() + 1);
}
static class PlatformDescriptionImpl implements PlatformDescription {
private final Map<Path, FileSystem> ctSym2FileSystem = new HashMap<>();
private final String sourceVersion;
private final String ctSymVersion;
PlatformDescriptionImpl(String sourceVersion) {
this.sourceVersion = sourceVersion;
this.ctSymVersion =
StringUtils.toUpperCase(Integer.toString(Integer.parseInt(sourceVersion), Character.MAX_RADIX));
}
@Override
public JavaFileManager getFileManager() {
Context context = new Context();
PrintWriter pw = new PrintWriter(System.err, true);
context.put(Log.errKey, pw);
CacheFSInfo.preRegister(context);
JavacFileManager fm = new JavacFileManager(context, true, null) {
@Override
public boolean hasLocation(Location location) {
return super.hasExplicitLocation(location);
}
@Override
public JavaFileObject getJavaFileForInput(Location location, String className,
Kind kind) throws IOException {
if (kind == Kind.CLASS) {
String fileName = className.replace('.', '/');
JavaFileObject result =
(JavaFileObject) getFileForInput(location,
"",
fileName + ".sig");
if (result == null) {
//in jrt://, the classfile may have the .class extension:
result = (JavaFileObject) getFileForInput(location,
"",
fileName + ".class");
}
if (result != null) {
return new SigJavaFileObject(result);
} else {
return null;
}
}
return super.getJavaFileForInput(location, className, kind);
}
@Override
public Iterable<JavaFileObject> list(Location location,
String packageName,
Set<Kind> kinds,
boolean recurse) throws IOException {
Set<Kind> enhancedKinds = EnumSet.copyOf(kinds);
enhancedKinds.add(Kind.OTHER);
Iterable<JavaFileObject> listed = super.list(location, packageName,
enhancedKinds, recurse);
return () -> new Iterator<JavaFileObject>() {
private final Iterator<JavaFileObject> original = listed.iterator();
private JavaFileObject next;
@Override
public boolean hasNext() {
if (next == null) {
while (original.hasNext()) {
JavaFileObject fo = original.next();
if (fo.getKind() == Kind.OTHER &&
fo.getName().endsWith(".sig")) {
next = new SigJavaFileObject(fo);
break;
}
if (kinds.contains(fo.getKind())) {
next = fo;
break;
}
}
}
return next != null;
}
@Override
public JavaFileObject next() {
if (!hasNext())
throw new NoSuchElementException();
JavaFileObject result = next;
next = null;
return result;
}
};
}
@Override
public String inferBinaryName(Location location, JavaFileObject file) {
if (file instanceof SigJavaFileObject sigJavaFileObject) {
file = sigJavaFileObject.getDelegate();
}
return super.inferBinaryName(location, file);
}
};
fm.handleOption(Option.MULTIRELEASE, sourceVersion);
Path file = findCtSym();
// file == ${jdk.home}/lib/ct.sym
if (Files.exists(file)) {
try {
FileSystem fs = ctSym2FileSystem.get(file);
if (fs == null) {
ctSym2FileSystem.put(file, fs = FileSystems.newFileSystem(file, (ClassLoader)null));
}
Path root = fs.getRootDirectories().iterator().next();
boolean hasModules =
Feature.MODULES.allowedInSource(Source.lookup(sourceVersion));
Path systemModules = root.resolve(ctSymVersion).resolve("system-modules");
Charset utf8 = Charset.forName("UTF-8");
if (!hasModules) {
List<Path> paths = new ArrayList<>();
try (DirectoryStream<Path> dir = Files.newDirectoryStream(root)) {
for (Path section : dir) {
if (section.getFileName().toString().contains(ctSymVersion) &&
!section.getFileName().toString().contains("-")) {
try (DirectoryStream<Path> modules = Files.newDirectoryStream(section)) {
for (Path module : modules) {
paths.add(module);
}
}
}
}
}
fm.setLocationFromPaths(StandardLocation.PLATFORM_CLASS_PATH, paths);
} else if (Files.isRegularFile(systemModules)) {
fm.handleOption("--system", Arrays.asList("none").iterator());
Path jrtModules =
FileSystems.getFileSystem(URI.create("jrt:/"))
.getPath("modules");
try (Stream<String> lines =
Files.lines(systemModules, utf8)) {
lines.map(line -> jrtModules.resolve(line))
.filter(mod -> Files.exists(mod))
.forEach(mod -> setModule(fm, mod));
}
} else {
Map<String, List<Path>> module2Paths = new HashMap<>();
try (DirectoryStream<Path> dir = Files.newDirectoryStream(root)) {
for (Path section : dir) {
if (section.getFileName().toString().contains(ctSymVersion) &&
!section.getFileName().toString().contains("-")) {
try (DirectoryStream<Path> modules = Files.newDirectoryStream(section)) {
for (Path module : modules) {
module2Paths.computeIfAbsent(module.getFileName().toString(), dummy -> new ArrayList<>()).add(module);
}
}
}
}
}
fm.handleOption("--system", Arrays.asList("none").iterator());
for (Entry<String, List<Path>> e : module2Paths.entrySet()) {
fm.setLocationForModule(StandardLocation.SYSTEM_MODULES,
e.getKey(),
e.getValue());
}
}
return fm;
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
} else {
throw new IllegalStateException("Cannot find ct.sym!");
}
}
private static void setModule(StandardJavaFileManager fm, Path mod) {
try {
fm.setLocationForModule(StandardLocation.SYSTEM_MODULES,
mod.getFileName().toString(),
Collections.singleton(mod));
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
private static class SigJavaFileObject extends ForwardingJavaFileObject<JavaFileObject> {
public SigJavaFileObject(JavaFileObject fileObject) {
super(fileObject);
}
@Override
public Kind getKind() {
return Kind.CLASS;
}
@Override
public boolean isNameCompatible(String simpleName, Kind kind) {
return super.isNameCompatible(simpleName + ".sig", Kind.OTHER);
}
public JavaFileObject getDelegate() {
return fileObject;
}
}
@Override
public String getSourceVersion() {
return sourceVersion;
}
@Override
public String getTargetVersion() {
return sourceVersion;
}
@Override
public List<PluginInfo<Processor>> getAnnotationProcessors() {
return Collections.emptyList();
}
@Override
public List<PluginInfo<Plugin>> getPlugins() {
return Collections.emptyList();
}
@Override
public List<String> getAdditionalOptions() {
return Collections.emptyList();
}
@Override
public void close() throws IOException {
for (FileSystem fs : ctSym2FileSystem.values()) {
fs.close();
}
ctSym2FileSystem.clear();
}
}
static Path findCtSym() {
String javaHome = System.getProperty("java.home");
Path file = Paths.get(javaHome);
// file == ${jdk.home}
for (String name : symbolFileLocation)
file = file.resolve(name);
return file;
}
}
⏎ com/sun/tools/javac/platform/JDKPlatformProvider.java
Or download all of them as a single archive file:
File name: jdk.compiler-17.0.5-src.zip File size: 1450209 bytes Release date: 2022-09-13 Download
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