text: /***********************************************************
  Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The
  Netherlands.
  
                          All Rights Reserved
  
  Permission to use, copy, modify, and distribute this software and its
  documentation for any purpose and without fee is hereby granted,
  provided that the above copyright notice appear in all copies and that
  both that copyright notice and this permission notice appear in
  supporting documentation, and that the names of Stichting Mathematisch
  Centrum or CWI not be used in advertising or publicity pertaining to
  distribution of the software without specific, written prior permission.
  
  STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
  THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
  FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  
  ******************************************************************/
  
  
  #include <stdio.h>
  
  #include "PROTO.h"
  #include "object.h"
  #include "errors.h"
  #include "sc_errors.h"
  #include "stringobject.h"
  #include "tupleobject.h"
  
  object *
  err_scerr(sc_errno)
         int sc_errno;
  {
         switch(sc_errno) {
  
         case NoBufSize:
                 err_setstr(StubcodeError, "Stubcode didn't start with BufSize");
                 break;
  
         case TwoBufSize:
                 err_setstr(StubcodeError, "Stubcode can't have more then one BufSize");
                 break;
  
         case ElementIsNull:
                 err_setstr(StubcodeError, "Trying to access an NIL object");
                 break;
  
         case StackOverflow:
                 err_setstr(StubcodeError, "Stack overflow");
                 return NULL;
  
         case StackUnderflow:
                 err_setstr(StubcodeError, "Stack underflow");
                 return NULL;
  
         case NoEndLoop:
                 err_setstr(StubcodeError, "LoopXXX with no EndLoop");
                 return NULL;
  
         case BufferOverflow:
                 err_setstr(StubcodeError, "Buffer overflow");
                 return NULL;
  
         }
         return NULL;
  }
  
  err_scerrset(sc_errno, value, instr)
         int sc_errno;
         object *value;
         char *instr;
  {
         object *str, *str1, *t;
  
         if ((t = newtupleobject(3)) == NULL) {
                 return -1;
         }
         if ((str = newstringobject(instr)) == NULL) {
                 return -1;
         }
         if (settupleitem(t, 2, str) != 0) {
                 return -1;
         }
         INCREF(value);
         if (settupleitem(t, 1, value) != 0) {
                 DECREF(t);
                 return -1;
         }
         switch(sc_errno) {
  
         case TypeFailure:
                 if ((str1 = newstringobject("Unexpected type")) == NULL) {
                         DECREF(t);
                         return -1;
                 }
                 break;
  
         case RangeError:
                 if ((str1 = newstringobject("Value out of range")) == NULL) {
                         DECREF(t);
                         return -1;
                 }
                 break;
  
         case SizeError:
                 if ((str1 = newstringobject("Value doesn't have the right size")) == NULL) {
                         DECREF(t);
                         return -1;
                 }
                 break;
  
         case FlagError:
                 if ((str1 = newstringobject("Illegal flag value")) == NULL) {
                         DECREF(t);
                         return -1;
                 }
                 break;
  
         case TransError:
                 if ((str1 = newstringobject("hdr.h_status != 0")) == NULL) {
                         DECREF(t);
                         return -1;
                 }
                 break;
  
         default:
                 if ((str1 = newstringobject("sc_errno not found")) == NULL) {
                         DECREF(t);
                         return -1;
                 }
                 break;
         }
         if (settupleitem(t, 0, str1) != 0) {
                 DECREF(t);
                 return -1;
         }
         err_setval(StubcodeError, t);
         DECREF(t);
         return -1;
  }
  