src/jdk.compiler/share/classes/com/sun/tools/sjavac/CompileJavaPackages.java

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rev 2819 : imported patch my-classpath-deps-00


  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.tools.sjavac;
  27 
  28 import java.io.File;
  29 import java.io.PrintStream;
  30 import java.net.URI;
  31 import java.util.Arrays;
  32 import java.util.Collections;
  33 import java.util.Set;
  34 import java.util.Map;

  35 
  36 import com.sun.tools.sjavac.options.Options;

  37 import com.sun.tools.sjavac.server.CompilationResult;
  38 import com.sun.tools.sjavac.server.Sjavac;
  39 import com.sun.tools.sjavac.server.SysInfo;
  40 
  41 /**
  42  * This transform compiles a set of packages containing Java sources.
  43  * The compile request is divided into separate sets of source files.
  44  * For each set a separate request thread is dispatched to a javac server
  45  * and the meta data is accumulated. The number of sets correspond more or
  46  * less to the number of cores. Less so now, than it will in the future.
  47  *
  48  * <p><b>This is NOT part of any supported API.
  49  * If you write code that depends on this, you do so at your own
  50  * risk.  This code and its internal interfaces are subject to change
  51  * or deletion without notice.</b></p>
  52  */
  53 public class CompileJavaPackages implements Transformer {
  54 
  55     // The current limited sharing of data between concurrent JavaCompilers
  56     // in the server will not give speedups above 3 cores. Thus this limit.
  57     // We hope to improve this in the future.
  58     final static int limitOnConcurrency = 3;
  59 
  60     Options args;
  61 
  62     public void setExtra(String e) {
  63     }
  64 
  65     public void setExtra(Options a) {
  66         args = a;
  67     }
  68 
  69     public boolean transform(final Sjavac sjavac,
  70                              Map<String,Set<URI>> pkgSrcs,
  71                              final Set<URI>             visibleSources,
  72                              final Map<URI,Set<String>> visibleClasses,
  73                              Map<String,Set<String>> oldPackageDependents,
  74                              URI destRoot,
  75                              final Map<String,Set<URI>>    packageArtifacts,
  76                              final Map<String,Set<String>> packageDependencies,
  77                              final Map<String,String>      packagePubapis,


  78                              int debugLevel,
  79                              boolean incremental,
  80                              int numCores,
  81                              final PrintStream out,
  82                              final PrintStream err)
  83     {


  84         boolean rc = true;
  85         boolean concurrentCompiles = true;
  86 
  87         // Fetch the id.
  88         final String id = Util.extractStringOption("id", sjavac.serverSettings());
  89         // Only keep portfile and sjavac settings..
  90         String psServerSettings = Util.cleanSubOptions(Util.set("portfile","sjavac","background","keepalive"), sjavac.serverSettings());
  91 
  92         // Get maximum heap size from the server!
  93         SysInfo sysinfo = sjavac.getSysInfo();
  94         if (sysinfo == null) {
  95             Log.error("Could not query server for sysinfo!");
  96             return false;
  97         }
  98         int numMBytes = (int)(sysinfo.maxMemory / ((long)(1024*1024)));
  99         Log.debug("Server reports "+numMBytes+"MiB of memory and "+sysinfo.numCores+" cores");
 100 
 101         if (numCores <= 0) {
 102             // Set the requested number of cores to the number of cores on the server.
 103             numCores = sysinfo.numCores;
 104             Log.debug("Number of jobs not explicitly set, defaulting to "+sysinfo.numCores);
 105         } else if (sysinfo.numCores < numCores) {
 106             // Set the requested number of cores to the number of cores on the server.
 107             Log.debug("Limiting jobs from explicitly set "+numCores+" to cores available on server: "+sysinfo.numCores);
 108             numCores = sysinfo.numCores;
 109         } else {
 110             Log.debug("Number of jobs explicitly set to "+numCores);


 193                 Log.debug("Chunk "+cn+" for "+id+" ---------------");
 194                 cn++;
 195                 for (URI u : cc.srcs) {
 196                     Log.debug(""+u);
 197                 }
 198             }
 199         }
 200 
 201         // The return values for each chunked compile.
 202         final CompilationResult[] rn = new CompilationResult[numCompiles];
 203         // The requets, might or might not run as a background thread.
 204         final Thread[] requests  = new Thread[numCompiles];
 205 
 206         long start = System.currentTimeMillis();
 207 
 208         for (int i=0; i<numCompiles; ++i) {
 209             final int ii = i;
 210             final CompileChunk cc = compileChunks[i];
 211 
 212             // Pass the num_cores and the id (appended with the chunk number) to the server.
 213             final String cleanedServerSettings = psServerSettings+",poolsize="+numCores+",id="+id+"-"+i;
 214 
 215             requests[i] = new Thread() {
 216                 @Override
 217                 public void run() {
 218                     rn[ii] = sjavac.compile("n/a",
 219                                                   id + "-" + ii,
 220                                                   args.prepJavacArgs(),
 221                                                   Collections.<File>emptyList(),
 222                                                   cc.srcs,
 223                                                   visibleSources);
 224                     packageArtifacts.putAll(rn[ii].packageArtifacts);
 225                     packageDependencies.putAll(rn[ii].packageDependencies);
 226                     packagePubapis.putAll(rn[ii].packagePubapis);

























 227                 }
 228             };
 229 
 230             if (cc.srcs.size() > 0) {
 231                 String numdeps = "";
 232                 if (cc.numDependents > 0) numdeps = "(with "+cc.numDependents+" dependents) ";
 233                 if (!incremental || cc.numPackages > 16) {
 234                     String info = "("+cc.pkgFromTos+")";
 235                     if (info.equals("( to )")) {
 236                         info = "";
 237                     }
 238                     Log.info("Compiling "+cc.srcs.size()+" files "+numdeps+"in "+cc.numPackages+" packages "+info);
 239                 } else {
 240                     Log.info("Compiling "+cc.pkgNames+numdeps);
 241                 }
 242                 if (concurrentCompiles) {
 243                     requests[ii].start();
 244                 }
 245                 else {
 246                     requests[ii].run();


 261         }
 262 
 263         // Check the return values.
 264         for (int i=0; i<numCompiles; ++i) {
 265             if (compileChunks[i].srcs.size() > 0) {
 266                 if (rn[i].returnCode != 0) {
 267                     Log.info(rn[i].stdout);
 268                     Log.error(rn[i].stderr);
 269                     rc = false;
 270                 }
 271             }
 272         }
 273         long duration = System.currentTimeMillis() - start;
 274         long minutes = duration/60000;
 275         long seconds = (duration-minutes*60000)/1000;
 276         Log.debug("Compilation of "+numSources+" source files took "+minutes+"m "+seconds+"s");
 277 
 278         return rc;
 279     }
 280 
 281 
 282     /**
 283      * Split up the sources into compile chunks. If old package dependents information
 284      * is available, sort the order of the chunks into the most dependent first!
 285      * (Typically that chunk contains the java.lang package.) In the future
 286      * we could perhaps improve the heuristics to put the sources into even more sensible chunks.
 287      * Now the package are simple sorted in alphabetical order and chunked, then the chunks
 288      * are sorted on how dependent they are.
 289      *
 290      * @param pkgSrcs The sources to compile.
 291      * @param oldPackageDependents Old package dependents, if non-empty, used to sort the chunks.
 292      * @param numCompiles The number of chunks.
 293      * @param sourcesPerCompile The number of sources per chunk.
 294      * @return
 295      */
 296     CompileChunk[] createCompileChunks(Map<String,Set<URI>> pkgSrcs,
 297                                  Map<String,Set<String>> oldPackageDependents,
 298                                  int numCompiles,
 299                                  int sourcesPerCompile) {
 300 
 301         CompileChunk[] compileChunks = new CompileChunk[numCompiles];




  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.tools.sjavac;
  27 
  28 import java.io.File;
  29 import java.io.PrintStream;
  30 import java.net.URI;
  31 import java.util.Arrays;
  32 import java.util.Collections;
  33 import java.util.HashMap;
  34 import java.util.Map;
  35 import java.util.Set;
  36 
  37 import com.sun.tools.sjavac.options.Options;
  38 import com.sun.tools.sjavac.pubapi.PubApi;
  39 import com.sun.tools.sjavac.server.CompilationResult;
  40 import com.sun.tools.sjavac.server.Sjavac;
  41 import com.sun.tools.sjavac.server.SysInfo;
  42 
  43 /**
  44  * This transform compiles a set of packages containing Java sources.
  45  * The compile request is divided into separate sets of source files.
  46  * For each set a separate request thread is dispatched to a javac server
  47  * and the meta data is accumulated. The number of sets correspond more or
  48  * less to the number of cores. Less so now, than it will in the future.
  49  *
  50  * <p><b>This is NOT part of any supported API.
  51  * If you write code that depends on this, you do so at your own
  52  * risk.  This code and its internal interfaces are subject to change
  53  * or deletion without notice.</b></p>
  54  */
  55 public class CompileJavaPackages implements Transformer {
  56 
  57     // The current limited sharing of data between concurrent JavaCompilers
  58     // in the server will not give speedups above 3 cores. Thus this limit.
  59     // We hope to improve this in the future.
  60     final static int limitOnConcurrency = 3;
  61 
  62     Options args;
  63 
  64     public void setExtra(String e) {
  65     }
  66 
  67     public void setExtra(Options a) {
  68         args = a;
  69     }
  70 
  71     public boolean transform(final Sjavac sjavac,
  72                              Map<String,Set<URI>> pkgSrcs,
  73                              final Set<URI>             visibleSources,
  74                              final Map<URI,Set<String>> visibleClasses,
  75                              Map<String,Set<String>> oldPackageDependents,
  76                              URI destRoot,
  77                              final Map<String,Set<URI>>    packageArtifacts,
  78                              final Map<String,Map<String, Set<String>>> packageDependencies,
  79                              final Map<String,Map<String, Set<String>>> packageCpDependencies,
  80                              final Map<String, PubApi> packagePubapis,
  81                              final Map<String, PubApi> dependencyPubapis,
  82                              int debugLevel,
  83                              boolean incremental,
  84                              int numCores,
  85                              final PrintStream out,
  86                              final PrintStream err) {
  87 
  88         Log.debug("Performing CompileJavaPackages transform...");
  89 
  90         boolean rc = true;
  91         boolean concurrentCompiles = true;
  92 
  93         // Fetch the id.
  94         final String id = Util.extractStringOption("id", sjavac.serverSettings());
  95         // Only keep portfile and sjavac settings..
  96         //String psServerSettings = Util.cleanSubOptions(Util.set("portfile","sjavac","background","keepalive"), sjavac.serverSettings());
  97 
  98         // Get maximum heap size from the server!
  99         SysInfo sysinfo = sjavac.getSysInfo();
 100         if (sysinfo == null) {
 101             Log.error("Could not query server for sysinfo!");
 102             return false;
 103         }
 104         int numMBytes = (int)(sysinfo.maxMemory / ((long)(1024*1024)));
 105         Log.debug("Server reports "+numMBytes+"MiB of memory and "+sysinfo.numCores+" cores");
 106 
 107         if (numCores <= 0) {
 108             // Set the requested number of cores to the number of cores on the server.
 109             numCores = sysinfo.numCores;
 110             Log.debug("Number of jobs not explicitly set, defaulting to "+sysinfo.numCores);
 111         } else if (sysinfo.numCores < numCores) {
 112             // Set the requested number of cores to the number of cores on the server.
 113             Log.debug("Limiting jobs from explicitly set "+numCores+" to cores available on server: "+sysinfo.numCores);
 114             numCores = sysinfo.numCores;
 115         } else {
 116             Log.debug("Number of jobs explicitly set to "+numCores);


 199                 Log.debug("Chunk "+cn+" for "+id+" ---------------");
 200                 cn++;
 201                 for (URI u : cc.srcs) {
 202                     Log.debug(""+u);
 203                 }
 204             }
 205         }
 206 
 207         // The return values for each chunked compile.
 208         final CompilationResult[] rn = new CompilationResult[numCompiles];
 209         // The requets, might or might not run as a background thread.
 210         final Thread[] requests  = new Thread[numCompiles];
 211 
 212         long start = System.currentTimeMillis();
 213 
 214         for (int i=0; i<numCompiles; ++i) {
 215             final int ii = i;
 216             final CompileChunk cc = compileChunks[i];
 217 
 218             // Pass the num_cores and the id (appended with the chunk number) to the server.
 219             Object lock = new Object();

 220             requests[i] = new Thread() {
 221                 @Override
 222                 public void run() {
 223                     rn[ii] = sjavac.compile("n/a",
 224                                             id + "-" + ii,
 225                                             args.prepJavacArgs(),
 226                                             Collections.<File>emptyList(),
 227                                             cc.srcs,
 228                                             visibleSources);
 229                     // In the code below we have to keep in mind that two
 230                     // different compilation results may include results for
 231                     // the same package.
 232                     synchronized (lock) {
 233 
 234                         for (String pkg : rn[ii].packageArtifacts.keySet()) {
 235                             Set<URI> pkgArtifacts = rn[ii].packageArtifacts.get(pkg);
 236                             packageArtifacts.merge(pkg, pkgArtifacts, Util::union);
 237                         }
 238 
 239                         for (String pkg : rn[ii].packageDependencies.keySet()) {
 240                             packageDependencies.putIfAbsent(pkg, new HashMap<>());
 241                             packageDependencies.get(pkg).putAll(rn[ii].packageDependencies.get(pkg));
 242                         }
 243 
 244                         for (String pkg : rn[ii].packageCpDependencies.keySet()) {
 245                             packageCpDependencies.putIfAbsent(pkg, new HashMap<>());
 246                             packageCpDependencies.get(pkg).putAll(rn[ii].packageCpDependencies.get(pkg));
 247                         }
 248 
 249                         for (String pkg : rn[ii].packagePubapis.keySet()) {
 250                             packagePubapis.merge(pkg, rn[ii].packagePubapis.get(pkg), PubApi::mergeTypes);
 251                         }
 252 
 253                         for (String pkg : rn[ii].dependencyPubapis.keySet()) {
 254                             dependencyPubapis.merge(pkg, rn[ii].dependencyPubapis.get(pkg), PubApi::mergeTypes);
 255                         }
 256                     }
 257                 }
 258             };
 259 
 260             if (cc.srcs.size() > 0) {
 261                 String numdeps = "";
 262                 if (cc.numDependents > 0) numdeps = "(with "+cc.numDependents+" dependents) ";
 263                 if (!incremental || cc.numPackages > 16) {
 264                     String info = "("+cc.pkgFromTos+")";
 265                     if (info.equals("( to )")) {
 266                         info = "";
 267                     }
 268                     Log.info("Compiling "+cc.srcs.size()+" files "+numdeps+"in "+cc.numPackages+" packages "+info);
 269                 } else {
 270                     Log.info("Compiling "+cc.pkgNames+numdeps);
 271                 }
 272                 if (concurrentCompiles) {
 273                     requests[ii].start();
 274                 }
 275                 else {
 276                     requests[ii].run();


 291         }
 292 
 293         // Check the return values.
 294         for (int i=0; i<numCompiles; ++i) {
 295             if (compileChunks[i].srcs.size() > 0) {
 296                 if (rn[i].returnCode != 0) {
 297                     Log.info(rn[i].stdout);
 298                     Log.error(rn[i].stderr);
 299                     rc = false;
 300                 }
 301             }
 302         }
 303         long duration = System.currentTimeMillis() - start;
 304         long minutes = duration/60000;
 305         long seconds = (duration-minutes*60000)/1000;
 306         Log.debug("Compilation of "+numSources+" source files took "+minutes+"m "+seconds+"s");
 307 
 308         return rc;
 309     }
 310 

 311     /**
 312      * Split up the sources into compile chunks. If old package dependents information
 313      * is available, sort the order of the chunks into the most dependent first!
 314      * (Typically that chunk contains the java.lang package.) In the future
 315      * we could perhaps improve the heuristics to put the sources into even more sensible chunks.
 316      * Now the package are simple sorted in alphabetical order and chunked, then the chunks
 317      * are sorted on how dependent they are.
 318      *
 319      * @param pkgSrcs The sources to compile.
 320      * @param oldPackageDependents Old package dependents, if non-empty, used to sort the chunks.
 321      * @param numCompiles The number of chunks.
 322      * @param sourcesPerCompile The number of sources per chunk.
 323      * @return
 324      */
 325     CompileChunk[] createCompileChunks(Map<String,Set<URI>> pkgSrcs,
 326                                        Map<String,Set<String>> oldPackageDependents,
 327                                        int numCompiles,
 328                                        int sourcesPerCompile) {
 329 
 330         CompileChunk[] compileChunks = new CompileChunk[numCompiles];