jdk8-mips64-public/langtools: test/tools/javac/lambdaShapes/org/openjdk/tests/separate/Compiler.java@959103a6100f (annotated)

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/Compiler.java@959103a6100f (annotated)

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/Compiler.java

Wed, 27 Apr 2016 01:34:52 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:34:52 +0800
changeset 0: 959103a6100f
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

 /*
  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package org.openjdk.tests.separate;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.ConcurrentHashMap;
 import java.io.*;
 import java.net.URI;
 import javax.tools.*;
 import com.sun.source.util.JavacTask;
 import static org.openjdk.tests.separate.SourceModel.Type;
 import static org.openjdk.tests.separate.SourceModel.Class;
 import static org.openjdk.tests.separate.SourceModel.Extends;
 import static org.openjdk.tests.separate.SourceModel.SourceProcessor;
 public class Compiler {
     public enum Flags {
         VERBOSE, // Prints out files as they are compiled
         USECACHE // Keeps results around for reuse.  Only use this is
                  // you're sure that each compilation name maps to the
                  // same source code
     }
     private static final AtomicInteger counter = new AtomicInteger();
     private static final String targetDir = "gen-separate";
     private static final File root = new File(targetDir);
     private static ConcurrentHashMap<String,File> cache =
             new ConcurrentHashMap<>();
     Set<Flags> flags;
     private JavaCompiler systemJavaCompiler;
     private StandardJavaFileManager fm;
     private List<File> tempDirs;
     private List<ClassFilePreprocessor> postprocessors;
     private static class SourceFile extends SimpleJavaFileObject {
         private final String content;
         public SourceFile(String name, String content) {
             super(URI.create("myfo:/" + name + ".java"), Kind.SOURCE);
             this.content = content;
         }
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return toString();
         }
         public String toString() { return this.content; }
     }
     public Compiler(Flags ... flags) {
         setFlags(flags);
         this.tempDirs = new ArrayList<>();
         this.postprocessors = new ArrayList<>();
         this.systemJavaCompiler = ToolProvider.getSystemJavaCompiler();
         this.fm = systemJavaCompiler.getStandardFileManager(null, null, null);
     }
     public void setFlags(Flags ... flags) {
         this.flags = new HashSet<>(Arrays.asList(flags));
     }
     public void addPostprocessor(ClassFilePreprocessor cfp) {
         this.postprocessors.add(cfp);
     }
     /**
      * Compile hierarchies starting with each of the 'types' and return
      * a ClassLoader that can be used to load the compiled classes.
      */
     public ClassLoader compile(Type ... types) {
         ClassFilePreprocessor[] cfps = this.postprocessors.toArray(
             new ClassFilePreprocessor[0]);
         DirectedClassLoader dcl = new DirectedClassLoader(cfps);
         for (Type t : types) {
             for (Map.Entry<String,File> each : compileHierarchy(t).entrySet()) {
                 dcl.setLocationFor(each.getKey(), each.getValue());
             }
         }
         return dcl;
     }
     /**
      * Compiles and loads a hierarchy, starting at 'type'
      */
     public java.lang.Class<?> compileAndLoad(Type type)
             throws ClassNotFoundException {
         ClassLoader loader = compile(type);
         return java.lang.Class.forName(type.getName(), false, loader);
     }
     /**
      * Compiles a hierarchy, starting at 'type' and return a mapping of the
      * name to the location where the classfile for that type resides.
      */
     private Map<String,File> compileHierarchy(Type type) {
         HashMap<String,File> outputDirs = new HashMap<>();
         File outDir = compileOne(type);
         outputDirs.put(type.getName(), outDir);
         Class superClass = type.getSuperclass();
         if (superClass != null)
             outputDirs.putAll(compileHierarchy(superClass));
         for (Extends ext : type.getSupertypes())
             outputDirs.putAll(compileHierarchy(ext.getType()));
         return outputDirs;
     }
     private File compileOne(Type type) {
         if (this.flags.contains(Flags.USECACHE)) {
             File dir = cache.get(type.getName());
             if (dir != null) {
                 return dir;
             }
         }
         List<JavaFileObject> files = new ArrayList<>();
         SourceProcessor accum =
             (name, src) -> { files.add(new SourceFile(name, src)); };
         Collection<Type> deps = type.typeDependencies(type.isFullCompilation());
         for (Type dep : deps) {
             if (type.isFullCompilation())
                 dep.generate(accum);
             else
                 dep.generateAsDependency(accum, type.methodDependencies());
         }
         type.generate(accum);
         JavacTask ct = (JavacTask)this.systemJavaCompiler.getTask(
             null, this.fm, null, null, null, files);
         File destDir = null;
         do {
             int value = counter.incrementAndGet();
             destDir = new File(root, Integer.toString(value));
         } while (destDir.exists());
         if (this.flags.contains(Flags.VERBOSE)) {
             System.out.println("Compilation unit for " + type.getName() +
                 " : compiled into " + destDir);
             for (JavaFileObject jfo : files) {
                 System.out.println(jfo.toString());
             }
         }
         try {
             destDir.mkdirs();
             this.fm.setLocation(
                 StandardLocation.CLASS_OUTPUT, Arrays.asList(destDir));
         } catch (IOException e) {
             throw new RuntimeException(
                 "IOException encountered during compilation", e);
         }
         Boolean result = ct.call();
         if (result == Boolean.FALSE) {
             throw new RuntimeException(
                 "Compilation failure in " + type.getName() + " unit");
         }
         if (this.flags.contains(Flags.USECACHE)) {
             File existing = cache.putIfAbsent(type.getName(), destDir);
             if (existing != null) {
                 deleteDir(destDir);
                 return existing;
             }
         } else {
         this.tempDirs.add(destDir);
         }
         return destDir;
     }
     private static void deleteDir(File dir) {
         for (File f : dir.listFiles()) {
             f.delete();
         };
         dir.delete();
     }
     public void cleanup() {
         if (!this.flags.contains(Flags.USECACHE)) {
             for (File d : tempDirs) {
                 deleteDir(d);
             };
             tempDirs = new ArrayList<>();
         }
     }
     // Removes all of the elements in the cache and deletes the associated
     // output directories.  This may not actually empty the cache if there
     // are concurrent users of it.
     public static void purgeCache() {
         for (Map.Entry<String,File> entry : cache.entrySet()) {
             cache.remove(entry.getKey());
             deleteDir(entry.getValue());
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/Compiler.java@959103a6100f (annotated)

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/Compiler.java