From b3b1eecf938fdc9d0bd8f954bc05ec38763299fb Mon Sep 17 00:00:00 2001
From: acolyer <acolyer>
Date: Thu, 15 Jan 2004 11:43:14 +0000
Subject: [PATCH] Fix for Bugzilla Bug 36234  	out of memory error when
 compiling

---
 .../src/org/aspectj/tools/ajc/Main.java       | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/org.aspectj.ajdt.core/src/org/aspectj/tools/ajc/Main.java b/org.aspectj.ajdt.core/src/org/aspectj/tools/ajc/Main.java
index 287508440..2be51cb6d 100644
--- a/org.aspectj.ajdt.core/src/org/aspectj/tools/ajc/Main.java
+++ b/org.aspectj.ajdt.core/src/org/aspectj/tools/ajc/Main.java
@@ -67,6 +67,14 @@ public class Main {
     + "at http://bugs.eclipse.org/bugs/enter_bug.cgi?product=AspectJ" + LangUtil.EOL
     + "To make the bug a priority, please include a test program" + LangUtil.EOL
     + "that can reproduce this exception."  + LangUtil.EOL;
+
+	private static final String OUT_OF_MEMORY_MSG
+		= "AspectJ " + Version.text + " ran out of memory during compilation:" + LangUtil.EOL + LangUtil.EOL
+		  + "Please increase the memory available to ajc by editing the ajc script " + LangUtil.EOL
+		  + "found in your AspectJ installation directory. The -Xmx parameter value" + LangUtil.EOL
+		  + "should be increased from 64M (default) to 128M or even 256M." + LangUtil.EOL + LangUtil.EOL
+		  + "See the AspectJ FAQ available from the documentation link" + LangUtil.EOL
+		  + "on the AspectJ home page at http://www.eclipse.org/aspectj";
     
     /** @param args the String[] of command-line arguments */
     public static void main(String[] args) throws IOException {
@@ -153,7 +161,16 @@ public class Main {
                 ourHandler.setInterceptor(MessagePrinter.TERSE);
             }
         }
-        run(args, holder);
+        
+        // make sure we handle out of memory gracefully...
+        try {
+        	// byte[] b = new byte[100000000]; for testing OoME only!
+        	run(args, holder);
+        } catch (OutOfMemoryError outOfMemory) {
+        	IMessage outOfMemoryMessage = new Message(OUT_OF_MEMORY_MSG,null,true);
+        	holder.handleMessage(outOfMemoryMessage);
+        	systemExit(holder);  // we can't reasonably continue from this point.
+        }
 
         boolean skipExit = false;
         if (useSystemExit && !LangUtil.isEmpty(args)) {  // sigh - pluck -noExit
-- 
2.39.5