error.c

/*\
||| This file a part of Pike, and is copyright by Fredrik Hubinette
||| Pike is distributed as GPL (General Public License)
||| See the files COPYING and DISCLAIMER for more information.
\*/
/**/
#include "global.h"
#include "pike_macros.h"
#include "error.h"
#include "interpret.h"
#include "stralloc.h"
#include "builtin_functions.h"
#include "array.h"
#include "object.h"
#include "main.h"
#include "builtin_functions.h"
#include "backend.h"
#include "operators.h"
#include "module_support.h"
#include "threads.h"

RCSID("$Id: error.c,v 1.39 1999/10/06 15:30:05 grubba Exp $");

#undef ATTRIBUTE
#define ATTRIBUTE(X)

JMP_BUF *recoveries=0;

#ifdef PIKE_DEBUG
void check_recovery_context(void)
{
  char foo;
#define TESTILITEST ((((char *)recoveries)-((char *)&foo))*STACK_DIRECTION)
  if(recoveries && TESTILITEST > 0)
    fatal("Recoveries is out biking (recoveries=%p, sp=%p, %d)!\n",recoveries, &foo,TESTILITEST);

  /* Add more stuff here when required */
}
#endif

JMP_BUF *init_recovery(JMP_BUF *r DEBUG_LINE_ARGS)
{
  check_recovery_context();
#ifdef PIKE_DEBUG
  r->line=line;
  r->file=file;
  OED_FPRINTF((stderr, "init_recovery(%p) %s:%d\n", r, file, line));
#endif
  r->fp=fp;
  r->sp=sp-evaluator_stack;
  r->mark_sp=mark_sp - mark_stack;
  r->previous=recoveries;
  r->onerror=0;
  r->severity=THROW_ERROR;
  recoveries=r;
  check_recovery_context();
  return r;
}

void pike_throw(void) ATTRIBUTE((noreturn))
{
  while(recoveries && throw_severity > recoveries->severity)
  {
    while(recoveries->onerror)
    {
      (*recoveries->onerror->func)(recoveries->onerror->arg);
      recoveries->onerror=recoveries->onerror->previous;
    }
    
    recoveries=recoveries->previous;