===================================================================
RCS file: /home/cvs/OpenXM/src/OpenMath/OMproxy.java,v
retrieving revision 1.26
retrieving revision 1.35
diff -u -p -r1.26 -r1.35
--- OpenXM/src/OpenMath/OMproxy.java	2000/01/21 06:27:24	1.26
+++ OpenXM/src/OpenMath/OMproxy.java	2000/03/15 15:02:06	1.35
@@ -1,5 +1,5 @@
 /**
- * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.25 2000/01/20 18:55:22 tam Exp $
+ * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.34 2000/03/14 05:38:49 tam Exp $
  */
 
 import JP.ac.kobe_u.math.tam.OpenXM.*;
@@ -20,27 +20,35 @@ class OMproxy implements Runnable{
     OM2OXM P = new OM2OXM();
 
     debug("OMproxy started.");
-    while(true){
-      try{
-	int ox_tag = ox.receiveOXtag();
+    try{
+      while(true){
+	try{
+	  OXmessage message = ox.receive();
+	  int ox_tag = message.getTag();
 
-	switch(ox_tag){
-	case OpenXM.OX_COMMAND:
-	  StackMachine(ox.receiveSM());
-	  break;
+	  switch(ox_tag){
+	  case OpenXM.OX_COMMAND:
+	    StackMachine((SM)message.getBody());
+	    break;
 
-	case OpenXM.OX_DATA:
-	  stack.push(ox.receiveCMO());
-	  debug("push: "+ stack.peek());
-	  break;
+	  case OpenXM.OX_DATA:
+	    stack.push(message.getBody());
+	    debug("push: "+ stack.peek());
+	    break;
+	  }
+	}catch(RuntimeException e){
+	  System.err.println(e.getMessage());
+	  e.printStackTrace();
+	  debug("error occured. stack was cleared.");
 	}
-      }catch(Throwable e){
-	System.err.println(e.getMessage());
-	e.printStackTrace();
-	debug("error occured. stack was cleared.");
       }
+    }catch(IOException e){
+      System.err.println(e.getMessage());
+      e.printStackTrace();
+      System.err.println("error occured, and recovering processes seems to be impossible.");
+    }finally{
+      System.out.println("breaking...");
     }
-    //System.out.println("breaking...");
   }
 
   /*
@@ -62,10 +70,13 @@ class OMproxy implements Runnable{
 	ox.send(new CMO_NULL());
       }else{
 	debug("sending CMO: "+ stack.peek());
-	ox.send(stack.pop());
+	ox.send((CMO)stack.pop());
       }
     }catch(MathcapViolation e){
-      stack.push(new CMO_STRING(e.getMessage()));
+      try{
+	ox.send(new CMO_ERROR2(new CMO_STRING("MathcapViolation: "+
+					      e.getMessage())));
+      }catch(MathcapViolation tmp){}
     }
   }
 
@@ -75,7 +86,7 @@ class OMproxy implements Runnable{
     int argc;
 
     if(!(stack.peek() instanceof CMO_STRING)){
-      stack.push(new CMO_ERROR2());
+      stack.push(new CMO_ERROR2(new CMO_NULL()));
       return;
     }
     function_name = ((CMO_STRING)stack.pop()).getString();
@@ -86,7 +97,7 @@ class OMproxy implements Runnable{
     }
 
     if(argc != 1){
-      stack.push(new CMO_ERROR2());
+      stack.push(new CMO_ERROR2(new CMO_NULL()));
       return;
     }
 
@@ -98,7 +109,7 @@ class OMproxy implements Runnable{
       return;
     }
 
-    stack.push(new CMO_ERROR2());
+    stack.push(new CMO_ERROR2(new CMO_NULL()));
     return;
   }
 
@@ -124,21 +135,21 @@ class OMproxy implements Runnable{
     }
 
     {
-      CMO[] CMOFormat = {new CMO_INT32(CMO.CMO_NULL),
-			 new CMO_INT32(CMO.CMO_INT32),
-			 new CMO_INT32(CMO.CMO_STRING),
-			 new CMO_INT32(CMO.CMO_LIST),
-			 new CMO_INT32(CMO.CMO_MONOMIAL32),
-			 new CMO_INT32(CMO.CMO_ZZ),
-			 new CMO_INT32(CMO.CMO_QQ),
-			 new CMO_INT32(CMO.CMO_ZERO),
-			 new CMO_INT32(CMO.CMO_DMS_GENERIC),
-			 new CMO_INT32(CMO.CMO_RECURSIVE_POLYNOMIAL),
-			 new CMO_INT32(CMO.CMO_DISTRIBUTED_POLYNOMIAL),
-			 new CMO_INT32(CMO.CMO_POLYNOMIAL_IN_ONE_VARIABLE),
-			 new CMO_INT32(CMO.CMO_BIGFLOAT),
-			 new CMO_INT32(CMO.CMO_INDETERMINATE),
-			 new CMO_INT32(CMO.CMO_TREE)};
+      CMO[] CMOFormat = {new CMO_INT32(CMO.NULL),
+			 new CMO_INT32(CMO.INT32),
+			 new CMO_INT32(CMO.STRING),
+			 new CMO_INT32(CMO.LIST),
+			 new CMO_INT32(CMO.MONOMIAL32),
+			 new CMO_INT32(CMO.ZZ),
+			 new CMO_INT32(CMO.QQ),
+			 new CMO_INT32(CMO.ZERO),
+			 new CMO_INT32(CMO.DMS_GENERIC),
+			 new CMO_INT32(CMO.RECURSIVE_POLYNOMIAL),
+			 new CMO_INT32(CMO.DISTRIBUTED_POLYNOMIAL),
+			 new CMO_INT32(CMO.POLYNOMIAL_IN_ONE_VARIABLE),
+			 new CMO_INT32(CMO.BIGFLOAT),
+			 new CMO_INT32(CMO.INDETERMINATE),
+			 new CMO_INT32(CMO.TREE)};
       CMO[] DataFormat1 = {new CMO_INT32(OpenXM.OX_DATA),
 			   new CMO_LIST(CMOFormat)};
       CMO[] list = {new CMO_LIST(DataFormat1)};
@@ -154,7 +165,7 @@ class OMproxy implements Runnable{
     Object mathcap = stack.pop();
 
     if(mathcap instanceof CMO_MATHCAP){
-      stack.push(new CMO_ERROR2());
+      stack.push(new CMO_ERROR2(new CMO_NULL()));
     }
     ox.setMathCap((CMO_MATHCAP)mathcap);
   }