org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/ctf/core/event/scope/FieldsScope.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are made
   5  * available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *      Matthew Khouzam - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.ctf.core.event.scope;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17
  18 /**
  19  * A lttng specific speedup node field scope of a lexical scope
  20  *
  21  * @author Matthew Khouzam
  22  */
  23 @NonNullByDefault
  24 public class FieldsScope extends LexicalScope {
  25
  26     /**
  27      * ret field
  28      */
  29     public static final LexicalScope FIELDS_RET = new LexicalScope(FIELDS, "_ret"); //$NON-NLS-1$
  30
  31     /**
  32      * tid field
  33      */
  34     public static final LexicalScope FIELDS_TID = new LexicalScope(FIELDS, "_tid"); //$NON-NLS-1$
  35
  36     /**
  37      * The scope constructor
  38      *
  39      * @param parent
  40      *            The parent node, can be null, but shouldn't
  41      * @param name
  42      *            the name of the field
  43      */
  44     public FieldsScope(LexicalScope parent, String name) {
  45         super(parent, name);
  46     }
  47
  48     @Override
  49     @Nullable
  50     public LexicalScope getChild(String name) {
  51         if (name.equals(FIELDS_RET.getName())) {
  52             return FIELDS_RET;
  53         }
  54         if (name.equals(FIELDS_TID.getName())) {
  55             return FIELDS_TID;
  56         }
  57         return super.getChild(name);
  58     }
  59
  60 }