# HG changeset patch
# User Christian Wimmer <Christian.Wimmer@Oracle.com>
# Date 1329169661 28800
# Node ID a1c86aaef8f591ea5d2569dc6404048d22a87eda
# Parent  854145ec986679d4938d101eef2a0d71e3c797c7
make Dump option work when IdealGraphVisualizer is not running.  Print a warning message that connection is not possible instead of exiting the VM.

diff -r 854145ec9866 -r a1c86aaef8f5 graal/com.oracle.max.graal.printer/src/com/oracle/max/graal/printer/CFGPrinterObserver.java
--- a/graal/com.oracle.max.graal.printer/src/com/oracle/max/graal/printer/CFGPrinterObserver.java	Mon Feb 13 17:01:14 2012 +0100
+++ b/graal/com.oracle.max.graal.printer/src/com/oracle/max/graal/printer/CFGPrinterObserver.java	Mon Feb 13 13:47:41 2012 -0800
@@ -27,6 +27,7 @@
 
 import com.oracle.max.cri.ci.*;
 import com.oracle.max.cri.ri.*;
+import com.oracle.max.criutils.*;
 import com.oracle.max.graal.alloc.util.*;
 import com.oracle.max.graal.compiler.*;
 import com.oracle.max.graal.compiler.alloc.*;
@@ -80,6 +81,7 @@
             } catch (FileNotFoundException e) {
                 throw new InternalError("Could not open " + file.getAbsolutePath());
             }
+            TTY.println("CFGPrinter: Output to file %s", file);
         }
 
         RiRuntime runtime = cfgPrinter.runtime;
@@ -92,6 +94,7 @@
             cfgPrinter.lir = null;
             cfgPrinter.lirGenerator = null;
             schedule = null;
+            TTY.println("CFGPrinter: Dumping method %s", method);
 
         } else if (object instanceof BciBlockMapping) {
             BciBlockMapping blockMap = (BciBlockMapping) object;
diff -r 854145ec9866 -r a1c86aaef8f5 graal/com.oracle.max.graal.printer/src/com/oracle/max/graal/printer/IdealGraphPrinterDumpHandler.java
--- a/graal/com.oracle.max.graal.printer/src/com/oracle/max/graal/printer/IdealGraphPrinterDumpHandler.java	Mon Feb 13 17:01:14 2012 +0100
+++ b/graal/com.oracle.max.graal.printer/src/com/oracle/max/graal/printer/IdealGraphPrinterDumpHandler.java	Mon Feb 13 13:47:41 2012 -0800
@@ -70,7 +70,6 @@
             } else {
                 initializeNetworkPrinter();
             }
-            printer.begin();
         }
     }
 
@@ -78,8 +77,9 @@
         try {
             FileOutputStream stream = new FileOutputStream(fileName);
             printer = new IdealGraphPrinter(stream);
+            printer.begin();
         } catch (IOException e) {
-            throw new RuntimeException(e);
+            printer = null;
         }
     }
 
@@ -88,9 +88,11 @@
             Socket socket = new Socket(host, port);
             BufferedOutputStream stream = new BufferedOutputStream(socket.getOutputStream(), 0x4000);
             printer = new IdealGraphPrinter(stream);
+            printer.begin();
             TTY.println("Connected to the IGV on port %d", port);
         } catch (IOException e) {
-            throw new RuntimeException(e);
+            TTY.println("Could not connect to the IGV on port %d: %s", port, e);
+            printer = null;
         }
     }
 
@@ -100,7 +102,7 @@
             ensureInitialized();
             final Graph graph = (Graph) object;
 
-            if (printer.isValid()) {
+            if (printer != null && printer.isValid()) {
                 // Get all current RiResolvedMethod instances in the context.
                 List<String> inlineContext = getInlineContext();
                 Debug.contextSnapshot(RiResolvedMethod.class);
@@ -140,9 +142,6 @@
 
                     }
                 });
-            } else {
-                TTY.println("Fatal error: Printer invalid!");
-                System.exit(-1);
             }
         }
     }