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authorMW2007-08-28 18:30:28 +0000
committerMW2007-08-28 18:30:28 +0000
commitc16aafee09bfcce12c3d667cd6ec382e29695490 (patch)
treec36c20a4c0efa3fbe5351b79d278d57a66e363ff /OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/ClassRecord.cs
parentstartup event on script added to object, not all inside object. (diff)
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Taken the old scripting engine out of Region.Environment and moved it into a separate module: OpenSim.Region.ExtensionsScriptModule (named as such because the purpose of it is to script server extensions, rather than "user scripting" like Tedd's engine.)
Diffstat (limited to 'OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/ClassRecord.cs')
-rw-r--r--OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/ClassRecord.cs640
1 files changed, 640 insertions, 0 deletions
diff --git a/OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/ClassRecord.cs b/OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/ClassRecord.cs
new file mode 100644
index 0000000..116d2bc
--- /dev/null
+++ b/OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/ClassRecord.cs
@@ -0,0 +1,640 @@
1/*
2* Copyright (c) Contributors, http://www.openmetaverse.org/
3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4*
5* Redistribution and use in source and binary forms, with or without
6* modification, are permitted provided that the following conditions are met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12* * Neither the name of the OpenSim Project nor the
13* names of its contributors may be used to endorse or promote products
14* derived from this software without specific prior written permission.
15*
16* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
17* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*
27*/
28using System;
29using System.IO;
30using System.Collections.Generic;
31using System.Text;
32using OpenSim.Region.ExtensionsScriptModule.JVMEngine.Types;
33using OpenSim.Region.ExtensionsScriptModule.JVMEngine.Types.PrimitiveTypes;
34
35namespace OpenSim.Region.ExtensionsScriptModule.JVMEngine.JVM
36{
37 public class ClassRecord
38 {
39 private ushort m_majorVersion;
40 private ushort m_minorVersion;
41 private ushort m_constantPoolCount;
42 private ushort m_accessFlags;
43 private ushort m_thisClass;
44 private ushort m_supperClass;
45 private ushort m_interfaceCount;
46 private ushort m_fieldCount;
47 private ushort m_methodCount;
48 //private ushort _attributeCount;
49 //private string _name;
50 public Dictionary<string, BaseType> StaticFields = new Dictionary<string, BaseType>();
51 public PoolClass MClass;
52
53 public List<PoolItem> m_constantsPool = new List<PoolItem>();
54 private List<MethodInfo> m_methodsList = new List<MethodInfo>();
55 private List<FieldInfo> m_fieldList = new List<FieldInfo>();
56
57 public ClassRecord()
58 {
59
60 }
61
62 public ClassInstance CreateNewInstance()
63 {
64 ClassInstance classInst = new ClassInstance();
65 classInst.ClassRec = this;
66 //TODO: set fields
67
68 return classInst;
69 }
70
71 public void LoadClassFromFile(string fileName)
72 {
73 Console.WriteLine("loading script " + fileName);
74 FileStream fs = File.OpenRead(fileName);
75 this.LoadClassFromBytes(ReadFully(fs));
76 fs.Close();
77 }
78
79 public void LoadClassFromBytes(byte[] data)
80 {
81 int i = 0;
82 i += 4;
83 m_minorVersion = (ushort)((data[i++] << 8) + data[i++]);
84 m_majorVersion = (ushort)((data[i++] << 8) + data[i++]);
85 m_constantPoolCount = (ushort)((data[i++] << 8) + data[i++]);
86 Console.WriteLine("there should be " + m_constantPoolCount + " items in the pool");
87 for (int count = 0; count < (m_constantPoolCount - 1); count++)
88 {
89 //read in the constant pool
90 byte pooltype = data[i++];
91 Console.WriteLine("#" + count + ": new constant type = " + pooltype);
92 //Console.WriteLine("start position is: " + i);
93 switch (pooltype)
94 {
95 case 1: //Utf8
96 ushort uLength = (ushort)((data[i++] << 8) + data[i++]);
97
98 // Console.WriteLine("new utf8 type, length is " + uLength);
99 PoolUtf8 utf8 = new PoolUtf8();
100 utf8.readValue(data, ref i, uLength);
101 this.m_constantsPool.Add(utf8);
102 break;
103 case 3: //Int
104 break;
105 case 4: //Float
106 break;
107 case 7: //Class
108 PoolClass pClass = new PoolClass(this);
109 pClass.readValue(data, ref i);
110 this.m_constantsPool.Add(pClass);
111 break;
112 case 9: //FieldRef
113 PoolFieldRef pField = new PoolFieldRef(this);
114 pField.readValue(data, ref i);
115 this.m_constantsPool.Add(pField);
116 break;
117 case 10: //Method
118 PoolMethodRef pMeth = new PoolMethodRef(this);
119 pMeth.readValue(data, ref i);
120 this.m_constantsPool.Add(pMeth);
121 break;
122 case 12: //NamedType
123 PoolNamedType pNamed = new PoolNamedType(this);
124 pNamed.readValue(data, ref i);
125 this.m_constantsPool.Add(pNamed);
126 break;
127 }
128 }
129
130 m_accessFlags = (ushort)((data[i++] << 8) + data[i++]);
131 m_thisClass = (ushort)((data[i++] << 8) + data[i++]);
132 m_supperClass = (ushort)((data[i++] << 8) + data[i++]);
133
134 if (this.m_constantsPool[this.m_thisClass - 1] is PoolClass)
135 {
136 this.MClass = ((PoolClass)this.m_constantsPool[this.m_thisClass - 1]);
137 }
138
139 m_interfaceCount = (ushort)((data[i++] << 8) + data[i++]);
140 //should now read in the info for each interface
141
142 m_fieldCount = (ushort)((data[i++] << 8) + data[i++]);
143 //should now read in the info for each field
144 for (int count = 0; count < m_fieldCount; count++)
145 {
146 FieldInfo fieldInf = new FieldInfo(this);
147 fieldInf.ReadData(data, ref i);
148 this.m_fieldList.Add(fieldInf);
149 }
150
151 m_methodCount = (ushort)((data[i++] << 8) + data[i++]);
152 for (int count = 0; count < m_methodCount; count++)
153 {
154 MethodInfo methInf = new MethodInfo(this);
155 methInf.ReadData(data, ref i);
156 this.m_methodsList.Add(methInf);
157 }
158 }
159
160 public void AddMethodsToMemory(MethodMemory memory)
161 {
162 for (int count = 0; count < m_methodCount; count++)
163 {
164 this.m_methodsList[count].AddMethodCode(memory);
165 }
166 }
167
168 public bool StartMethod(Thread thread, string methodName)
169 {
170 for (int count = 0; count < m_methodCount; count++)
171 {
172 if (this.m_constantsPool[this.m_methodsList[count].NameIndex - 1] is PoolUtf8)
173 {
174 if (((PoolUtf8)this.m_constantsPool[this.m_methodsList[count].NameIndex - 1]).Value == methodName)
175 {
176 //Console.WriteLine("found method: " + ((PoolUtf8)this._constantsPool[this._methodsList[count].NameIndex - 1]).Value);
177 thread.SetPC(this.m_methodsList[count].CodePointer);
178 return true;
179 }
180 }
181 }
182 return false;
183 }
184
185 public void PrintToConsole()
186 {
187 Console.WriteLine("Class File:");
188 Console.WriteLine("Major version: " + m_majorVersion);
189 Console.WriteLine("Minor version: " + m_minorVersion);
190 Console.WriteLine("Pool size: " + m_constantPoolCount);
191
192 for (int i = 0; i < m_constantsPool.Count; i++)
193 {
194 this.m_constantsPool[i].Print();
195 }
196
197 Console.WriteLine("Access flags: " + m_accessFlags);
198 Console.WriteLine("This class: " + m_thisClass);
199 Console.WriteLine("Super class: " + m_supperClass);
200
201 for (int count = 0; count < m_fieldCount; count++)
202 {
203 Console.WriteLine();
204 this.m_fieldList[count].Print();
205 }
206
207 for (int count = 0; count < m_methodCount; count++)
208 {
209 Console.WriteLine();
210 this.m_methodsList[count].Print();
211 }
212
213 Console.WriteLine("class name is " + this.MClass.Name.Value);
214 }
215
216 public static byte[] ReadFully(Stream stream)
217 {
218 byte[] buffer = new byte[1024];
219 using (MemoryStream ms = new MemoryStream())
220 {
221 while (true)
222 {
223 int read = stream.Read(buffer, 0, buffer.Length);
224 if (read <= 0)
225 return ms.ToArray();
226 ms.Write(buffer, 0, read);
227 }
228 }
229 }
230
231 #region nested classes
232 public class PoolItem
233 {
234 public virtual void Print()
235 {
236
237 }
238 }
239
240 public class PoolUtf8 : PoolItem
241 {
242 public string Value = "";
243
244 public void readValue(byte[] data, ref int pointer, int length)
245 {
246 for (int i = 0; i < length; i++)
247 {
248 int a = (int)data[pointer++];
249 if ((a & 0x80) == 0)
250 {
251 Value = Value + (char)a;
252 }
253 else if ((a & 0x20) == 0)
254 {
255 int b = (int)data[pointer++];
256 Value = Value + (char)(((a & 0x1f) << 6) + (b & 0x3f));
257 }
258 else
259 {
260 int b = (int)data[pointer++];
261 int c = (int)data[pointer++];
262 Value = Value + (char)(((a & 0xf) << 12) + ((b & 0x3f) << 6) + (c & 0x3f));
263 }
264 }
265 }
266
267 public override void Print()
268 {
269 Console.WriteLine("Utf8 type: " + Value);
270 }
271 }
272
273 private class PoolInt : PoolItem
274 {
275
276 }
277
278 public class PoolClass : PoolItem
279 {
280 //public string name = "";
281 public ushort namePointer = 0;
282 private ClassRecord parent;
283 public PoolUtf8 Name;
284
285 public PoolClass(ClassRecord paren)
286 {
287 parent = paren;
288 }
289
290 public void readValue(byte[] data, ref int pointer)
291 {
292 namePointer = (ushort)((data[pointer++] << 8) + data[pointer++]);
293 }
294
295 public override void Print()
296 {
297 this.Name = ((PoolUtf8)this.parent.m_constantsPool[namePointer - 1]);
298 Console.Write("Class type: " + namePointer);
299 Console.WriteLine(" // " + ((PoolUtf8)this.parent.m_constantsPool[namePointer - 1]).Value);
300
301 }
302 }
303
304 public class PoolFieldRef : PoolItem
305 {
306 public ushort classPointer = 0;
307 public ushort nameTypePointer = 0;
308 public PoolNamedType mNameType;
309 public PoolClass mClass;
310 private ClassRecord parent;
311
312 public PoolFieldRef(ClassRecord paren)
313 {
314 parent = paren;
315 }
316
317 public void readValue(byte[] data, ref int pointer)
318 {
319 classPointer = (ushort)((data[pointer++] << 8) + data[pointer++]);
320 nameTypePointer = (ushort)((data[pointer++] << 8) + data[pointer++]);
321 }
322
323 public override void Print()
324 {
325 this.mNameType = ((PoolNamedType)this.parent.m_constantsPool[nameTypePointer - 1]);
326 this.mClass = ((PoolClass)this.parent.m_constantsPool[classPointer - 1]);
327 Console.WriteLine("FieldRef type: " + classPointer + " , " + nameTypePointer);
328 }
329 }
330
331 public class PoolMethodRef : PoolItem
332 {
333 public ushort classPointer = 0;
334 public ushort nameTypePointer = 0;
335 public PoolNamedType mNameType;
336 public PoolClass mClass;
337 private ClassRecord parent;
338
339 public PoolMethodRef(ClassRecord paren)
340 {
341 parent = paren;
342 }
343
344 public void readValue(byte[] data, ref int pointer)
345 {
346 classPointer = (ushort)((data[pointer++] << 8) + data[pointer++]);
347 nameTypePointer = (ushort)((data[pointer++] << 8) + data[pointer++]);
348 }
349
350 public override void Print()
351 {
352 this.mNameType = ((PoolNamedType)this.parent.m_constantsPool[nameTypePointer - 1]);
353 this.mClass = ((PoolClass)this.parent.m_constantsPool[classPointer - 1]);
354 Console.WriteLine("MethodRef type: " + classPointer + " , " + nameTypePointer);
355 }
356 }
357
358 public class PoolNamedType : PoolItem
359 {
360 public ushort namePointer = 0;
361 public ushort typePointer = 0;
362 private ClassRecord parent;
363 public PoolUtf8 Name;
364 public PoolUtf8 Type;
365
366 public PoolNamedType(ClassRecord paren)
367 {
368 parent = paren;
369 }
370
371 public void readValue(byte[] data, ref int pointer)
372 {
373 namePointer = (ushort)((data[pointer++] << 8) + data[pointer++]);
374 typePointer = (ushort)((data[pointer++] << 8) + data[pointer++]);
375 }
376
377 public override void Print()
378 {
379 Name = ((PoolUtf8)this.parent.m_constantsPool[namePointer - 1]);
380 Type = ((PoolUtf8)this.parent.m_constantsPool[typePointer - 1]);
381 Console.Write("Named type: " + namePointer + " , " + typePointer);
382 Console.WriteLine(" // " + ((PoolUtf8)this.parent.m_constantsPool[namePointer - 1]).Value);
383 }
384 }
385
386 //***********************
387 public class MethodInfo
388 {
389 public ushort AccessFlags = 0;
390 public ushort NameIndex = 0;
391 public string Name = "";
392 public ushort DescriptorIndex = 0;
393 public ushort AttributeCount = 0;
394 public List<MethodAttribute> Attributes = new List<MethodAttribute>();
395 private ClassRecord parent;
396 public int CodePointer = 0;
397
398 public MethodInfo(ClassRecord paren)
399 {
400 parent = paren;
401 }
402
403 public void AddMethodCode(MethodMemory memory)
404 {
405 Array.Copy(this.Attributes[0].Code, 0, memory.MethodBuffer, memory.NextMethodPC, this.Attributes[0].Code.Length);
406 memory.Methodcount++;
407 this.CodePointer = memory.NextMethodPC;
408 memory.NextMethodPC += this.Attributes[0].Code.Length;
409 }
410
411 public void ReadData(byte[] data, ref int pointer)
412 {
413 AccessFlags = (ushort)((data[pointer++] << 8) + data[pointer++]);
414 NameIndex = (ushort)((data[pointer++] << 8) + data[pointer++]);
415 DescriptorIndex = (ushort)((data[pointer++] << 8) + data[pointer++]);
416 AttributeCount = (ushort)((data[pointer++] << 8) + data[pointer++]);
417 for (int i = 0; i < AttributeCount; i++)
418 {
419 MethodAttribute attri = new MethodAttribute(this.parent);
420 attri.ReadData(data, ref pointer);
421 this.Attributes.Add(attri);
422 }
423 }
424
425 public void Print()
426 {
427 Console.WriteLine("Method Info Struct: ");
428 Console.WriteLine("AccessFlags: " + AccessFlags);
429 Console.WriteLine("NameIndex: " + NameIndex + " // " + ((PoolUtf8)this.parent.m_constantsPool[NameIndex - 1]).Value);
430 Console.WriteLine("DescriptorIndex: " + DescriptorIndex + " // " + ((PoolUtf8)this.parent.m_constantsPool[DescriptorIndex - 1]).Value);
431 Console.WriteLine("Attribute Count:" + AttributeCount);
432 for (int i = 0; i < AttributeCount; i++)
433 {
434 this.Attributes[i].Print();
435 }
436 }
437
438 public class MethodAttribute
439 {
440 public ushort NameIndex = 0;
441 public string Name = "";
442 public Int32 Length = 0;
443 //for now only support code attribute
444 public ushort MaxStack = 0;
445 public ushort MaxLocals = 0;
446 public Int32 CodeLength = 0;
447 public byte[] Code;
448 public ushort ExceptionTableLength = 0;
449 public ushort SubAttributeCount = 0;
450 public List<SubAttribute> SubAttributes = new List<SubAttribute>();
451 private ClassRecord parent;
452
453 public MethodAttribute(ClassRecord paren)
454 {
455 parent = paren;
456 }
457
458 public void ReadData(byte[] data, ref int pointer)
459 {
460 NameIndex = (ushort)((data[pointer++] << 8) + data[pointer++]);
461 Length = (Int32)((data[pointer++] << 24) + (data[pointer++] << 16) + (data[pointer++] << 8) + data[pointer++]);
462 MaxStack = (ushort)((data[pointer++] << 8) + data[pointer++]);
463 MaxLocals = (ushort)((data[pointer++] << 8) + data[pointer++]);
464 CodeLength = (Int32)((data[pointer++] << 24) + (data[pointer++] << 16) + (data[pointer++] << 8) + data[pointer++]);
465 Code = new byte[CodeLength];
466 for (int i = 0; i < CodeLength; i++)
467 {
468 Code[i] = data[pointer++];
469 }
470 ExceptionTableLength = (ushort)((data[pointer++] << 8) + data[pointer++]);
471 SubAttributeCount = (ushort)((data[pointer++] << 8) + data[pointer++]);
472 for (int i = 0; i < SubAttributeCount; i++)
473 {
474 SubAttribute subAttri = new SubAttribute(this.parent);
475 subAttri.ReadData(data, ref pointer);
476 this.SubAttributes.Add(subAttri);
477 }
478 }
479
480 public void Print()
481 {
482 Console.WriteLine("Method Attribute: ");
483 Console.WriteLine("Name Index: " + NameIndex + " // " + ((PoolUtf8)this.parent.m_constantsPool[NameIndex - 1]).Value);
484 Console.WriteLine("Length: " + Length);
485 Console.WriteLine("MaxStack: " + MaxStack);
486 Console.WriteLine("MaxLocals: " + MaxLocals);
487 Console.WriteLine("CodeLength: " + CodeLength);
488 for (int i = 0; i < Code.Length; i++)
489 {
490 Console.WriteLine("OpCode #" + i + " is: " + Code[i]);
491 }
492 Console.WriteLine("SubAttributes: " + SubAttributeCount);
493 for (int i = 0; i < SubAttributeCount; i++)
494 {
495 this.SubAttributes[i].Print();
496 }
497 }
498
499 public class SubAttribute
500 {
501 public ushort NameIndex = 0;
502 public string Name = "";
503 public Int32 Length = 0;
504 public byte[] Data;
505 private ClassRecord parent;
506
507 public SubAttribute(ClassRecord paren)
508 {
509 parent = paren;
510 }
511
512 public void ReadData(byte[] data, ref int pointer)
513 {
514 NameIndex = (ushort)((data[pointer++] << 8) + data[pointer++]);
515 Length = (Int32)((data[pointer++] << 24) + (data[pointer++] << 16) + (data[pointer++] << 8) + data[pointer++]);
516 Data = new byte[Length];
517 for (int i = 0; i < Length; i++)
518 {
519 Data[i] = data[pointer++];
520 }
521 }
522
523 public void Print()
524 {
525 Console.WriteLine("SubAttribute: NameIndex: " + NameIndex + " // " + ((PoolUtf8)this.parent.m_constantsPool[NameIndex - 1]).Value);
526 }
527
528 }
529 }
530
531 }
532 private class InterfaceInfo
533 {
534 public void ReadData(byte[] data, ref int i)
535 {
536
537 }
538 }
539
540 public class FieldInfo
541 {
542 public ushort AccessFlags = 0;
543 public ushort NameIndex = 0;
544 public string Name = "";
545 public ushort DescriptorIndex = 0;
546 public ushort AttributeCount = 0;
547 public List<FieldAttribute> Attributes = new List<FieldAttribute>();
548 private ClassRecord parent;
549
550 public FieldInfo(ClassRecord paren)
551 {
552 parent = paren;
553 }
554
555 public void ReadData(byte[] data, ref int pointer)
556 {
557 AccessFlags = (ushort)((data[pointer++] << 8) + data[pointer++]);
558 NameIndex = (ushort)((data[pointer++] << 8) + data[pointer++]);
559 DescriptorIndex = (ushort)((data[pointer++] << 8) + data[pointer++]);
560 AttributeCount = (ushort)((data[pointer++] << 8) + data[pointer++]);
561 for (int i = 0; i < AttributeCount; i++)
562 {
563 FieldAttribute attri = new FieldAttribute(this.parent);
564 attri.ReadData(data, ref pointer);
565 this.Attributes.Add(attri);
566 }
567 }
568
569 public void Print()
570 {
571 Console.WriteLine("Field Info Struct: ");
572 Console.WriteLine("AccessFlags: " + AccessFlags);
573 Console.WriteLine("NameIndex: " + NameIndex + " // " + ((PoolUtf8)this.parent.m_constantsPool[NameIndex - 1]).Value);
574 Console.WriteLine("DescriptorIndex: " + DescriptorIndex + " // " + ((PoolUtf8)this.parent.m_constantsPool[DescriptorIndex - 1]).Value);
575 Console.WriteLine("Attribute Count:" + AttributeCount);
576 //if static, add to static field list
577 // if (this.AccessFlags == 9) //public and static
578 if ((this.AccessFlags & 0x08) != 0)
579 {
580 switch (((PoolUtf8)this.parent.m_constantsPool[DescriptorIndex - 1]).Value)
581 {
582 case "I":
583 Int newin = new Int();
584 this.parent.StaticFields.Add(((PoolUtf8)this.parent.m_constantsPool[NameIndex - 1]).Value, newin);
585 break;
586 case "F":
587 Float newfl = new Float();
588 this.parent.StaticFields.Add(((PoolUtf8)this.parent.m_constantsPool[NameIndex - 1]).Value, newfl);
589 break;
590 }
591
592 }
593 for (int i = 0; i < AttributeCount; i++)
594 {
595 this.Attributes[i].Print();
596 }
597 }
598
599 public class FieldAttribute
600 {
601 public ushort NameIndex = 0;
602 public string Name = "";
603 public Int32 Length = 0;
604 public byte[] Data;
605 private ClassRecord parent;
606
607 public FieldAttribute(ClassRecord paren)
608 {
609 parent = paren;
610 }
611
612 public void ReadData(byte[] data, ref int pointer)
613 {
614 NameIndex = (ushort)((data[pointer++] << 8) + data[pointer++]);
615 Length = (Int32)((data[pointer++] << 24) + (data[pointer++] << 16) + (data[pointer++] << 8) + data[pointer++]);
616 Data = new byte[Length];
617 for (int i = 0; i < Length; i++)
618 {
619 Data[i] = data[pointer++];
620 }
621 }
622
623 public void Print()
624 {
625 Console.WriteLine("FieldAttribute: NameIndex: " + NameIndex + " // " + ((PoolUtf8)this.parent.m_constantsPool[NameIndex - 1]).Value);
626 }
627 }
628 }
629
630 private class AttributeInfo
631 {
632 public void ReadData(byte[] data, ref int i)
633 {
634
635 }
636 }
637 #endregion
638
639 }
640} \ No newline at end of file