From 23754573c1221c70596b6287a68b05580f7c39e9 Mon Sep 17 00:00:00 2001
From: Roel Spilker <r.spilker@gmail.com>
Date: Mon, 18 Jul 2011 23:21:43 +0200
Subject: Dump the debug snapshots for issue 164 to a file.

---
 src/core/lombok/core/debug/DebugSnapshot.java      | 30 ++++++++--------------
 src/core/lombok/core/debug/DebugSnapshotStore.java | 23 ++++++++++++++---
 2 files changed, 29 insertions(+), 24 deletions(-)

diff --git a/src/core/lombok/core/debug/DebugSnapshot.java b/src/core/lombok/core/debug/DebugSnapshot.java
index a04a4820..f12cbcc4 100644
--- a/src/core/lombok/core/debug/DebugSnapshot.java
+++ b/src/core/lombok/core/debug/DebugSnapshot.java
@@ -3,13 +3,16 @@ package lombok.core.debug;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicLong;
 
 import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
 
 public class DebugSnapshot implements Comparable<DebugSnapshot> {
-	private final long when, nano;
+	private static AtomicLong counter = new AtomicLong();
+	
+	private final long when, id = counter.getAndIncrement();
 	private final List<StackTraceElement> trace;
-	private final Thread thread;
+	private final String threadName;
 	private final String message;
 	private final Object[] params;
 	private final WeakReference<CompilationUnitDeclaration> owner;
@@ -17,22 +20,17 @@ public class DebugSnapshot implements Comparable<DebugSnapshot> {
 	public DebugSnapshot(CompilationUnitDeclaration owner, int stackHiding, String message, Object... params) {
 		this.when = System.currentTimeMillis();
 		StackTraceElement[] stackTrace = new Throwable().getStackTrace();
-		this.trace = new ArrayList<StackTraceElement>();
+		this.trace = new ArrayList<StackTraceElement>(Math.max(0, stackTrace.length - stackHiding - 1));
 		for (int i = 1 + stackHiding; i < stackTrace.length; i++) trace.add(stackTrace[i]);
-		this.nano = System.nanoTime();
-		this.thread = Thread.currentThread();
+		this.threadName = Thread.currentThread().getName();
 		this.message = message;
 		this.params = params == null ? new Object[0] : params;
 		this.owner = new WeakReference<CompilationUnitDeclaration>(owner);
 	}
 	
-	private String threadName() {
-		return thread.getName();
-	}
-	
 	private String ownerName() {
 		CompilationUnitDeclaration node = owner.get();
-		if (node == null) return "GCed";
+		if (node == null) return "--GCed--";
 		char[] tn = node.getMainTypeName();
 		char[] fs = node.getFileName();
 		if (tn == null || tn.length == 0) {
@@ -44,7 +42,7 @@ public class DebugSnapshot implements Comparable<DebugSnapshot> {
 	
 	public String shortToString() {
 		StringBuilder out = new StringBuilder();
-		out.append(String.format("WHEN: %14d THREAD: %s AST: %s", when, threadName(), ownerName()));
+		out.append(String.format("WHEN: %14d THREAD: %s AST: %s", when, threadName, ownerName()));
 		if (message != null) out.append(String.format(message, params));
 		return out.toString();
 	}
@@ -59,14 +57,6 @@ public class DebugSnapshot implements Comparable<DebugSnapshot> {
 	}
 	
 	@Override public int compareTo(DebugSnapshot o) {
-		if (o.thread == this.thread) {
-			return Long.valueOf(nano).compareTo(Long.valueOf(o.nano));
-		}
-		
-		if (o.when != when) {
-			return Long.valueOf(when).compareTo(Long.valueOf(o.when));
-		}
-		
-		return Integer.valueOf(System.identityHashCode(thread)).compareTo(System.identityHashCode(o.thread));
+		return Long.valueOf(id).compareTo(o.id);
 	}
 }
diff --git a/src/core/lombok/core/debug/DebugSnapshotStore.java b/src/core/lombok/core/debug/DebugSnapshotStore.java
index cb15d2eb..fda3ba14 100644
--- a/src/core/lombok/core/debug/DebugSnapshotStore.java
+++ b/src/core/lombok/core/debug/DebugSnapshotStore.java
@@ -1,5 +1,8 @@
 package lombok.core.debug;
 
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -39,14 +42,26 @@ public class DebugSnapshotStore {
 		
 		Collections.sort(list);
 		int idx = 1;
-		System.out.println("---------------------------");
+		StringBuilder out = new StringBuilder();
+		out.append("---------------------------\n");
 		for (DebugSnapshot snapshot : list) {
-			System.out.printf("%3d: %s\n", idx++, snapshot.shortToString());
+			out.append(String.format("%3d: %s\n", idx++, snapshot.shortToString()));
 		}
-		System.out.println("******");
+		out.append("******\n");
 		idx = 1;
 		for (DebugSnapshot snapshot : list) {
-			System.out.printf("%3d: %s", idx++, snapshot.toString());
+			out.append(String.format("%3d: %s", idx++, snapshot.toString()));
+		}
+		
+		try {
+			OutputStream stream = new FileOutputStream(new File(System.getProperty("user.home", "."), String.format("lombok164-%d.err", System.currentTimeMillis())));
+			try {
+				stream.write(out.toString().getBytes("UTF-8"));
+			} finally {
+				stream.close();
+			}
+		} catch (Exception e) {
+			System.err.println(out);
 		}
 	}
 }
-- 
cgit