001 package net.minecraft.src;
002
003 import cpw.mods.fml.common.FMLCommonHandler;
004 import cpw.mods.fml.common.Side;
005 import cpw.mods.fml.common.asm.SideOnly;
006 import java.io.File;
007 import java.io.FileWriter;
008 import java.io.IOException;
009 import java.io.PrintWriter;
010 import java.io.StringWriter;
011 import java.text.SimpleDateFormat;
012 import java.util.ArrayList;
013 import java.util.Date;
014 import java.util.Iterator;
015 import java.util.List;
016 import java.util.logging.Level;
017 import java.util.logging.Logger;
018
019 public class CrashReport
020 {
021 /** Description of the crash report. */
022 private final String description;
023
024 /** The Throwable that is the "cause" for this crash and Crash Report. */
025 private final Throwable cause;
026 private final CrashReportCategory field_85061_c = new CrashReportCategory(this, "System Details");
027
028 /** Holds the keys and values of all crash report sections. */
029 private final List crashReportSections = new ArrayList();
030
031 /** File of crash report. */
032 private File crashReportFile = null;
033 private boolean field_85059_f = true;
034 private StackTraceElement[] field_85060_g = new StackTraceElement[0];
035
036 public CrashReport(String par1Str, Throwable par2Throwable)
037 {
038 this.description = par1Str;
039 this.cause = par2Throwable;
040 this.func_71504_g();
041 }
042
043 private void func_71504_g()
044 {
045 this.field_85061_c.addCrashSectionCallable("Minecraft Version", new CallableMinecraftVersion(this));
046 this.field_85061_c.addCrashSectionCallable("Operating System", new CallableOSInfo(this));
047 this.field_85061_c.addCrashSectionCallable("Java Version", new CallableJavaInfo(this));
048 this.field_85061_c.addCrashSectionCallable("Java VM Version", new CallableJavaInfo2(this));
049 this.field_85061_c.addCrashSectionCallable("Memory", new CallableMemoryInfo(this));
050 this.field_85061_c.addCrashSectionCallable("JVM Flags", new CallableJVMFlags(this));
051 this.field_85061_c.addCrashSectionCallable("AABB Pool Size", new CallableCrashMemoryReport(this));
052 this.field_85061_c.addCrashSectionCallable("Suspicious classes", new CallableSuspiciousClasses(this));
053 this.field_85061_c.addCrashSectionCallable("IntCache", new CallableIntCache(this));
054 FMLCommonHandler.instance().enhanceCrashReport(this, this.field_85061_c);
055 }
056
057 /**
058 * Returns the description of the Crash Report.
059 */
060 public String getDescription()
061 {
062 return this.description;
063 }
064
065 /**
066 * Returns the Throwable object that is the cause for the crash and Crash Report.
067 */
068 public Throwable getCrashCause()
069 {
070 return this.cause;
071 }
072
073 /**
074 * Gets the various sections of the crash report into the given StringBuilder
075 */
076 public void getSectionsInStringBuilder(StringBuilder par1StringBuilder)
077 {
078 if (this.field_85060_g != null && this.field_85060_g.length > 0)
079 {
080 par1StringBuilder.append("-- Head --\n");
081 par1StringBuilder.append("Stacktrace:\n");
082 StackTraceElement[] var2 = this.field_85060_g;
083 int var3 = var2.length;
084
085 for (int var4 = 0; var4 < var3; ++var4)
086 {
087 StackTraceElement var5 = var2[var4];
088 par1StringBuilder.append("\t").append("at ").append(var5.toString());
089 par1StringBuilder.append("\n");
090 }
091
092 par1StringBuilder.append("\n");
093 }
094
095 Iterator var6 = this.crashReportSections.iterator();
096
097 while (var6.hasNext())
098 {
099 CrashReportCategory var7 = (CrashReportCategory)var6.next();
100 var7.func_85072_a(par1StringBuilder);
101 par1StringBuilder.append("\n\n");
102 }
103
104 this.field_85061_c.func_85072_a(par1StringBuilder);
105 }
106
107 /**
108 * Gets the stack trace of the Throwable that caused this crash report, or if that fails, the cause .toString().
109 */
110 public String getCauseStackTraceOrString()
111 {
112 StringWriter var1 = null;
113 PrintWriter var2 = null;
114 String var3 = this.cause.toString();
115
116 try
117 {
118 var1 = new StringWriter();
119 var2 = new PrintWriter(var1);
120 this.cause.printStackTrace(var2);
121 var3 = var1.toString();
122 }
123 finally
124 {
125 try
126 {
127 if (var1 != null)
128 {
129 var1.close();
130 }
131
132 if (var2 != null)
133 {
134 var2.close();
135 }
136 }
137 catch (IOException var10)
138 {
139 ;
140 }
141 }
142
143 return var3;
144 }
145
146 /**
147 * Gets the complete report with headers, stack trace, and different sections as a string.
148 */
149 public String getCompleteReport()
150 {
151 StringBuilder var1 = new StringBuilder();
152 var1.append("---- Minecraft Crash Report ----\n");
153 var1.append("// ");
154 var1.append(getWittyComment());
155 var1.append("\n\n");
156 var1.append("Time: ");
157 var1.append((new SimpleDateFormat()).format(new Date()));
158 var1.append("\n");
159 var1.append("Description: ");
160 var1.append(this.description);
161 var1.append("\n\n");
162 var1.append(this.getCauseStackTraceOrString());
163 var1.append("\n\nA detailed walkthrough of the error, its code path and all known details is as follows:\n");
164
165 for (int var2 = 0; var2 < 87; ++var2)
166 {
167 var1.append("-");
168 }
169
170 var1.append("\n\n");
171 this.getSectionsInStringBuilder(var1);
172 return var1.toString();
173 }
174
175 @SideOnly(Side.CLIENT)
176
177 /**
178 * Gets the file this crash report is saved into.
179 */
180 public File getFile()
181 {
182 return this.crashReportFile;
183 }
184
185 /**
186 * Saves the complete crash report to the given File.
187 */
188 public boolean saveToFile(File par1File)
189 {
190 if (this.crashReportFile != null)
191 {
192 return false;
193 }
194 else
195 {
196 if (par1File.getParentFile() != null)
197 {
198 par1File.getParentFile().mkdirs();
199 }
200
201 try
202 {
203 FileWriter var2 = new FileWriter(par1File);
204 var2.write(this.getCompleteReport());
205 var2.close();
206 this.crashReportFile = par1File;
207 return true;
208 }
209 catch (Throwable var3)
210 {
211 Logger.getLogger("Minecraft").log(Level.SEVERE, "Could not save crash report to " + par1File, var3);
212 return false;
213 }
214 }
215 }
216
217 public CrashReportCategory func_85056_g()
218 {
219 return this.field_85061_c;
220 }
221
222 public CrashReportCategory func_85058_a(String par1Str)
223 {
224 return this.func_85057_a(par1Str, 1);
225 }
226
227 public CrashReportCategory func_85057_a(String par1Str, int par2)
228 {
229 CrashReportCategory var3 = new CrashReportCategory(this, par1Str);
230
231 if (this.field_85059_f)
232 {
233 int var4 = var3.func_85073_a(par2);
234 StackTraceElement[] var5 = this.cause.getStackTrace();
235 StackTraceElement var6 = null;
236 StackTraceElement var7 = null;
237
238 if (var5 != null && var5.length - var4 < var5.length)
239 {
240 var6 = var5[var5.length - var4];
241
242 if (var5.length + 1 - var4 < var5.length)
243 {
244 var7 = var5[var5.length + 1 - var4];
245 }
246 }
247
248 this.field_85059_f = var3.func_85069_a(var6, var7);
249
250 if (var4 > 0 && !this.crashReportSections.isEmpty())
251 {
252 CrashReportCategory var8 = (CrashReportCategory)this.crashReportSections.get(this.crashReportSections.size() - 1);
253 var8.func_85070_b(var4);
254 }
255 else if (var5 != null && var5.length >= var4)
256 {
257 this.field_85060_g = new StackTraceElement[var5.length - var4];
258 System.arraycopy(var5, 0, this.field_85060_g, 0, this.field_85060_g.length);
259 }
260 else
261 {
262 this.field_85059_f = false;
263 }
264 }
265
266 this.crashReportSections.add(var3);
267 return var3;
268 }
269
270 /**
271 * Gets a random witty comment for inclusion in this CrashReport
272 */
273 private static String getWittyComment()
274 {
275 String[] var0 = new String[] {"Who set us up the TNT?", "Everything\'s going to plan. No, really, that was supposed to happen.", "Uh... Did I do that?", "Oops.", "Why did you do that?", "I feel sad now :(", "My bad.", "I\'m sorry, Dave.", "I let you down. Sorry :(", "On the bright side, I bought you a teddy bear!", "Daisy, daisy...", "Oh - I know what I did wrong!", "Hey, that tickles! Hehehe!", "I blame Dinnerbone.", "You should try our sister game, Minceraft!", "Don\'t be sad. I\'ll do better next time, I promise!", "Don\'t be sad, have a hug! <3", "I just don\'t know what went wrong :(", "Shall we play a game?", "Quite honestly, I wouldn\'t worry myself about that.", "I bet Cylons wouldn\'t have this problem.", "Sorry :(", "Surprise! Haha. Well, this is awkward.", "Would you like a cupcake?", "Hi. I\'m Minecraft, and I\'m a crashaholic.", "Ooh. Shiny.", "This doesn\'t make any sense!", "Why is it breaking :(", "Don\'t do that.", "Ouch. That hurt :(", "You\'re mean.", "This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]", "There are four lights!"};
276
277 try
278 {
279 return var0[(int)(System.nanoTime() % (long)var0.length)];
280 }
281 catch (Throwable var2)
282 {
283 return "Witty comment unavailable :(";
284 }
285 }
286
287 public static CrashReport func_85055_a(Throwable par0Throwable, String par1Str)
288 {
289 CrashReport var2;
290
291 if (par0Throwable instanceof ReportedException)
292 {
293 var2 = ((ReportedException)par0Throwable).getTheReportedExceptionCrashReport();
294 }
295 else
296 {
297 var2 = new CrashReport(par1Str, par0Throwable);
298 }
299
300 return var2;
301 }
302 }