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      1 /*
      2  * Copyright (C) 2008 Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.hit;
     18 
     19 public class StackFrame {
     20     public static final int NO_LINE_NUMBER          =   0;
     21     public static final int UNKNOWN_LOCATION        =   -1;
     22     public static final int COMPILED_METHOD         =   -2;
     23     public static final int NATIVE_METHOD           =   -3;
     24 
     25     long mId;
     26     String mMethodName;
     27     String mSignature;
     28     String mFilename;
     29     int mSerialNumber;
     30     int mLineNumber;
     31 
     32     public StackFrame(long id, String method, String sig, String file,
     33             int serial, int line) {
     34         mId = id;
     35         mMethodName = method;
     36         mSignature = sig;
     37         mFilename = file;
     38         mSerialNumber = serial;
     39         mLineNumber = line;
     40     }
     41 
     42     private final String lineNumberString() {
     43         switch (mLineNumber) {
     44             case NO_LINE_NUMBER:    return "No line number";
     45             case UNKNOWN_LOCATION:  return "Unknown line number";
     46             case COMPILED_METHOD:   return "Compiled method";
     47             case NATIVE_METHOD:     return "Native method";
     48 
     49             default:                return String.valueOf(mLineNumber);
     50         }
     51     }
     52 
     53     public final String toString() {
     54         return mMethodName
     55             + mSignature.replace('/', '.')
     56             + " - "
     57             + mFilename + ":"
     58             + lineNumberString();
     59     }
     60 }
     61