src/jdk.compiler/share/classes/com/sun/tools/sjavac/comp/dependencies/PublicApiCollector.java

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


  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 package com.sun.tools.sjavac.comp.dependencies;
  26 
  27 import java.util.HashSet;
  28 import java.util.Set;
  29 
  30 import com.sun.source.tree.Tree;
  31 import com.sun.source.util.TaskEvent;
  32 import com.sun.source.util.TaskListener;
  33 import com.sun.tools.javac.code.Symbol.ClassSymbol;
  34 import com.sun.tools.javac.tree.JCTree.JCClassDecl;


  35 import com.sun.tools.javac.util.DefinedBy;
  36 import com.sun.tools.javac.util.DefinedBy.Api;

  37 
  38 public class PublicApiCollector implements TaskListener {
  39 
  40     final Set<ClassSymbol> classSymbols = new HashSet<>();

  41 
  42     @Override
  43     @DefinedBy(Api.COMPILER_TREE)
  44     public void started(TaskEvent e) {
  45     }
  46 
  47     @Override
  48     @DefinedBy(Api.COMPILER_TREE)
  49     public void finished(TaskEvent e) {
  50         if (e.getKind() == TaskEvent.Kind.ANALYZE) {
  51             for (Tree t : e.getCompilationUnit().getTypeDecls()) {










  52                 if (t instanceof JCClassDecl)  // Can also be a JCSkip
  53                     classSymbols.add(((JCClassDecl) t).sym);
  54             }
  55         }
  56     }
  57 
  58     public Set<ClassSymbol> getClassSymbols() {
  59         return classSymbols;







  60     }
  61 }


  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 package com.sun.tools.sjavac.comp.dependencies;
  26 
  27 import java.util.HashSet;
  28 import java.util.Set;
  29 
  30 import com.sun.source.tree.Tree;
  31 import com.sun.source.util.TaskEvent;
  32 import com.sun.source.util.TaskListener;
  33 import com.sun.tools.javac.code.Symbol.ClassSymbol;
  34 import com.sun.tools.javac.tree.JCTree.JCClassDecl;
  35 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
  36 import com.sun.tools.javac.util.Context;
  37 import com.sun.tools.javac.util.DefinedBy;
  38 import com.sun.tools.javac.util.DefinedBy.Api;
  39 import com.sun.tools.sjavac.comp.Dependencies;
  40 
  41 public class PublicApiCollector implements TaskListener {
  42 
  43     private Context context;
  44     private final Set<ClassSymbol> classSymbols = new HashSet<>();
  45 
  46     public PublicApiCollector(Context context) {
  47         this.context = context;

  48     }
  49 
  50     @Override
  51     @DefinedBy(Api.COMPILER_TREE)
  52     public void finished(TaskEvent e) {
  53         switch (e.getKind()) {
  54         case ANALYZE:
  55             collectClassSymbols((JCCompilationUnit) e.getCompilationUnit());
  56             break;
  57         case COMPILATION:
  58             extractPubApis();
  59             break;
  60         }
  61     }
  62 
  63     private void collectClassSymbols(JCCompilationUnit cu) {
  64         for (Tree t : cu.getTypeDecls()) {
  65             if (t instanceof JCClassDecl)  // Can also be a JCSkip
  66                 classSymbols.add(((JCClassDecl) t).sym);
  67         }
  68     }

  69 
  70     private void extractPubApis() {
  71         // For incremental builds we need to remember the public api of what
  72         // we depend upon.
  73         // Within a single compilation loop, we need to keep track of public
  74         // api of what we're compiling to decide if any dependants needs to
  75         // be tainted.
  76         Dependencies deps = Dependencies.instance(context);
  77         for (ClassSymbol cs : classSymbols)
  78             deps.visitPubapi(cs);
  79     }
  80 }