src/share/tools/LogCompilation/src/com/sun/hotspot/tools/compiler/Phase.java

rev 8632 : 6900757: minor bug fixes to LogCompilation tool
* improve internal error reporting (point to XML element causing trouble)
* fix comparator for sorting by name and start
* make tool more robust wrt. incorrect options and files not found
* make inlining decision output more clear
* adopt uncommon traps history printing
* properly mention compiler in generated logs
* add options for printing time stamps and omitting compilation IDs
* add option for comparing compilation logs
* overall code cleanup and API documentation

*** 1,7 ****
  /*
!  * Copyright (c) 2009, 2011, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2009, 2015, 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.
*** 24,38 ****
--- 24,57 ----
  
  package com.sun.hotspot.tools.compiler;
  
  import java.io.PrintStream;
  
+ /**
+  * Representation of a compilation phase as a log event.
+  */
  public class Phase extends BasicLogEvent {
  
+     /**
+      * The number of nodes in the compilation at the beginning of this phase.
+      */
      private final int startNodes;
+     
+     /**
+      * The number of nodes in the compilation at the end of this phase.
+      */
      private int endNodes;
+     
+     /**
+      * The number of live nodes in the compilation at the beginning of this
+      * phase.
+      */
      private final int startLiveNodes;
+     
+     /**
+      * The number of live nodes in the compilation at the end of this phase.
+      */
      private int endLiveNodes;
  
      Phase(String n, double s, int nodes, int live) {
          super(s, n);
          startNodes = nodes;
*** 56,67 ****
      }
  
      public int getEndNodes() {
          return endNodes;
      }
!     /* Number of live nodes added by the phase */
!     int getLiveNodes() {
          return getEndLiveNodes() - getStartLiveNodes();
      }
  
      void setEndLiveNodes(int n) {
          endLiveNodes = n;
--- 75,89 ----
      }
  
      public int getEndNodes() {
          return endNodes;
      }
!     
!     /**
!      * The number of live nodes added by this phase.
!      */
!     int getAddedLiveNodes() {
          return getEndLiveNodes() - getStartLiveNodes();
      }
  
      void setEndLiveNodes(int n) {
          endLiveNodes = n;
*** 74,82 ****
      public int getEndLiveNodes() {
          return endLiveNodes;
      }
  
      @Override
!     public void print(PrintStream stream) {
          throw new UnsupportedOperationException("Not supported yet.");
      }
  }
--- 96,104 ----
      public int getEndLiveNodes() {
          return endLiveNodes;
      }
  
      @Override
!     public void print(PrintStream stream, boolean printID) {
          throw new UnsupportedOperationException("Not supported yet.");
      }
  }