=================================================================== RCS file: /home/cvs/OpenXM/src/OpenMath/OMproxy.java,v retrieving revision 1.11 retrieving revision 1.29 diff -u -p -r1.11 -r1.29 --- OpenXM/src/OpenMath/OMproxy.java 1999/11/16 13:16:22 1.11 +++ OpenXM/src/OpenMath/OMproxy.java 2000/01/21 07:33:18 1.29 @@ -1,5 +1,5 @@ /** - * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.10 1999/11/11 20:22:19 tam Exp $ + * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.28 2000/01/21 07:04:55 tam Exp $ */ import JP.ac.kobe_u.math.tam.OpenXM.*; @@ -9,8 +9,8 @@ import java.io.*; class OMproxy implements Runnable{ private OpenXM ox; private Stack stack = new Stack(); - private boolean debug = true; - final int version = 199911110; + protected boolean debug = false; + final int version = 200001190; public OMproxy(String host,int ControlPort,int DataPort) throws IOException{ ox = new OpenXM(this,host,ControlPort,DataPort); @@ -22,25 +22,32 @@ class OMproxy implements Runnable{ debug("OMproxy started."); try{ while(true){ - int ox_tag = ox.receiveOXtag(); + try{ + int ox_tag = ox.receiveOXtag(); - switch(ox_tag){ - case OpenXM.OX_COMMAND: - StackMachine(ox.receiveSM()); - break; + switch(ox_tag){ + case OpenXM.OX_COMMAND: + StackMachine(ox.receiveSM()); + break; - case OpenXM.OX_DATA: - stack.push(ox.receiveCMO()); - debug("push: "+ stack.peek()); - break; + case OpenXM.OX_DATA: + stack.push(ox.receiveCMO()); + debug("push: "+ stack.peek()); + break; + } + }catch(RuntimeException e){ + System.err.println(e.getMessage()); + e.printStackTrace(); + debug("error occured. stack was cleared."); } } - }catch(java.io.IOException e){ + }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..."); } /* @@ -57,25 +64,32 @@ class OMproxy implements Runnable{ */ private void SM_popCMO() throws java.io.IOException{ - if(stack.empty()){ - ox.send(new CMO_NULL()); - }else{ - debug("pushing CMO: "+ stack.peek()); - ox.send(stack.pop()); + try{ + if(stack.empty()){ + ox.send(new CMO_NULL()); + }else{ + debug("sending CMO: "+ stack.peek()); + ox.send(stack.pop()); + } + }catch(MathcapViolation e){ + try{ + ox.send(new CMO_ERROR2(new CMO_STRING("MathcapViolation: "+ + e.getMessage()))); + }catch(MathcapViolation tmp){} } } private void SM_executeFunction() throws java.io.IOException{ String function_name; CMO[] argv; - int argc = 1; + int argc; if(!(stack.peek() instanceof CMO_STRING)){ stack.push(new CMO_ERROR2()); return; } function_name = ((CMO_STRING)stack.pop()).getString(); - //argc = ((CMO_INT32)stack.pop()).intValue(); + argc = ((CMO_INT32)stack.pop()).intValue(); argv = new CMO[argc]; for(int i=0;i