Esempio n. 1
0
static int is_printable_list(const ETERM* term)
{
    while (ERL_TYPE(term) == ERL_LIST) {
	ETERM* head = HEAD(term);

	if (!ERL_IS_BYTE(head)) {
	    return 0;
	}
	if (ERL_INT_VALUE(head) < ' ') {
	    switch (ERL_INT_VALUE(head)) {
	    case '\n':
	    case '\r':
	    case '\t':
	    case '\v':
	    case '\b':
	    case '\f':
		break;
	    default:
		return 0;
	    }
	}
	term = TAIL(term);
    }

    return ERL_IS_EMPTY_LIST(term);
}
Esempio n. 2
0
/* 
 * Return the CONTENT of a VARIABLE with NAME.
 * If the content is non-nil then bump its
 * reference counter.
 */
ETERM *erl_var_content (const ETERM *ep, const char *name)
{
  int i;
  ETERM *vp;

  if ((!ep) || (!name)) return NULL;
    
  /*   ASSERT(ep != NULL); */

  switch(ERL_TYPE(ep)) 
    {
    case ERL_VARIABLE:
	if (strcmp(ERL_VAR_NAME(ep), name) == 0) {
	    if ((vp = ERL_VAR_VALUE(ep)) != NULL) {
		ERL_COUNT(vp)++;
		return vp;
	    }
	}
	break;

    case ERL_LIST:
      while (ep && (ERL_TYPE(ep) != ERL_EMPTY_LIST)) {
	if ((vp = erl_var_content(HEAD(ep), name))) return vp;
	ep = TAIL(ep);
      }
      break;

    case ERL_TUPLE:
      for (i=0; i < ERL_TUPLE_SIZE(ep); i++) 
	  if ((vp = erl_var_content(ERL_TUPLE_ELEMENT(ep, i), name)))
	  {
	      return vp;
	  }
      break;
    
    default:
      /* variables can't occur in other types */
      break;
    }
    
  /* nothing found ! */
  return NULL;
}
Esempio n. 3
0
/*
 * Extract the HEAD of a LIST. Bump the reference 
 * counter on the head object.
 */
ETERM *erl_hd (const ETERM *ep)
{
  if (!ep) return NULL;
  /* ASSERT(ep != NULL); */

    if (ERL_TYPE(ep) != ERL_LIST) {
	return (ETERM *) NULL; 
    }
    ERL_COUNT(ERL_CONS_HEAD(ep))++;
    return ERL_CONS_HEAD(ep);
}
Esempio n. 4
0
/* 
 * Extract the TAIL of a LIST. Bump the reference
 * counter on the tail object.
 */
ETERM *erl_tl (const ETERM *ep)
{
    ETERM *tl;

    if (!ep) return NULL;
    /* ASSERT(ep != NULL); */

    if (ERL_TYPE(ep) != ERL_LIST) {
	return (ETERM *) NULL; 
    }

    tl = TAIL(ep);
    ERL_COUNT(tl)++;
    return tl;
}
Esempio n. 5
0
/* 
 * Extract an ELEMENT from a TUPLE. Bump the 
 * reference counter on the extracted object.
 */
ETERM *erl_element (int ix, const ETERM *ep)
{
  if ((!ep) || (ix < 0)) return NULL;
  /*
   * ASSERT(ep != NULL);
   * ASSERT(ix >= 0);
   */

  if ((ERL_TYPE(ep) == ERL_TUPLE) &&  (ix <= ERL_TUPLE_SIZE(ep))) {
      ERL_COUNT(ERL_TUPLE_ELEMENT(ep, ix-1))++;
      return ERL_TUPLE_ELEMENT(ep, ix-1);
    }
    else 
	return NULL;
} /* erl_element */
Esempio n. 6
0
/*
 * Return the LENGTH of a LIST.
 * At failure -1 is returned (this include non-proper lists like [a|b]).
 */
int erl_length(const ETERM *ep)
{
    int n = 0;

    if (!ep) return -1;
    /* ASSERT(ep != NULL); */

    while (ERL_TYPE(ep) == ERL_LIST) {
      n++;
      ep = TAIL(ep);
    }

    if (!ERL_IS_EMPTY_LIST(ep)) return -1;

    return n;
}
Esempio n. 7
0
int erl_setelement (int ix, ETERM *ep, ETERM *vp)
{
  if ((!ep) || (!vp)) return 0;
  /* ASSERT(ep != NULL);
   * ASSERT(vp != NULL);
   */

  if ((ERL_TYPE(ep) == ERL_TUPLE) && (ix <= ERL_TUPLE_SIZE(ep))) {
      erl_free_term(ERL_TUPLE_ELEMENT(ep, ix-1));
      ERL_TUPLE_ELEMENT(ep, ix-1) = vp;
      ERL_COUNT(vp)++;
      return 1;
  }  
  erl_err_msg("<ERROR> erl_setelement: Bad type to setelement or out of range \n");
  return 0;
}
Esempio n. 8
0
/*
 * Return the SIZE of a TUPLE or a BINARY.
 * At failure -1 is returned.
 */
int erl_size (const ETERM *ep)
{
  if (!ep) return -1;
  
  /* ASSERT(ep != NULL); */

  switch (ERL_TYPE(ep)) {
  case ERL_TUPLE:
      return ERL_TUPLE_SIZE(ep);

  case ERL_BINARY:
      return ERL_BIN_SIZE(ep);

  default:
      return -1;

  }
}
Esempio n. 9
0
int erl_print_term(FILE *fp, const ETERM *ep)
{
    int j,i,doquote;
    int ch_written = 0; /* counter of written chars */

    if ((!fp) || (!ep)) return 0;
    /* ASSERT(ep != NULL); */

    j = i = doquote = 0;
    switch(ERL_TYPE(ep)) 
    {
    case ERL_ATOM: {
	char* adata = ERL_ATOM_PTR(ep);
	/* FIXME: what if some weird locale is in use? */
	if (!islower(adata[0]))
	    doquote = 1;

	for (i = 0; !doquote && i < ERL_ATOM_SIZE(ep); i++) 
	{
	    doquote = !(isalnum(adata[i]) || (adata[i] == '_'));
	}

	if (doquote) {
	    putc('\'', fp);
	    ch_written++; 
	}
	fputs(adata, fp);
	ch_written += ERL_ATOM_SIZE(ep);	
	if (doquote) {
	    putc('\'', fp);
	    ch_written++;
	}
	break;
    }
    case ERL_VARIABLE:
	if (!isupper((int)ERL_VAR_NAME(ep)[0])) {
	    doquote = 1;
	    putc('\'', fp);
	    ch_written++;
	}
	
	fputs(ERL_VAR_NAME(ep), fp);
	ch_written += ERL_VAR_LEN(ep);
	
	if (doquote) {
	    putc('\'', fp);
	    ch_written++;
	}
	break;

    case ERL_PID:
	ch_written += fprintf(fp, "<%s.%d.%d>", 
			    ERL_PID_NODE(ep), 
			    ERL_PID_NUMBER(ep), ERL_PID_SERIAL(ep));
      break;
    case ERL_PORT:
      ch_written += fprintf(fp, "#Port");
      break;
    case ERL_REF:
      ch_written += fprintf(fp, "#Ref");
      break;
    case ERL_EMPTY_LIST:
      ch_written += fprintf(fp, "[]");
      break;
    case ERL_LIST: 
	if (is_printable_list(ep)) {
	    ch_written += print_string(fp, ep);
	} else {
	    putc('[', fp);
	    ch_written++;
	    while (ERL_IS_CONS(ep)) {
		ch_written += erl_print_term(fp, HEAD(ep));
		ep = TAIL(ep);
		if (ERL_IS_CONS(ep)) {
		    putc(',', fp);
		    ch_written++;
		}
	    }
	    if (!ERL_IS_EMPTY_LIST(ep)) {
		putc('|', fp);
		ch_written++;
		ch_written += erl_print_term(fp, ep);
	    }
	    putc(']', fp);
	    ch_written++;
	}
	break;
    case ERL_TUPLE:
      putc('{', fp);
      ch_written++;
      for (i=0; i < ERL_TUPLE_SIZE(ep); i++) {
	ch_written += erl_print_term(fp, ERL_TUPLE_ELEMENT(ep, j++) );
	if (i != ERL_TUPLE_SIZE(ep)-1) {
	  putc(',', fp);
	  ch_written++;
	}
      }
      putc('}', fp);
      ch_written++;
      break;
    case ERL_BINARY: {
	int sz = (ERL_BIN_SIZE(ep) > 20) ? 20 : ERL_BIN_SIZE(ep);
	unsigned char *ptr = ERL_BIN_PTR(ep);
	ch_written += fprintf(fp, "#Bin<");
	for (i = 0; i < sz; i++) { 
	    putc(ptr[i], fp); ch_written++;
	}
	if (sz == 20) ch_written += fprintf(fp, "(%d)....>", ERL_BIN_SIZE(ep)-20);
	else ch_written += fprintf(fp, ">");
	break;
      }
    case ERL_INTEGER:
    case ERL_SMALL_BIG:
      ch_written += fprintf(fp, "%d", ERL_INT_VALUE(ep));
      break;
    case ERL_U_INTEGER:
    case ERL_U_SMALL_BIG:
      ch_written += fprintf(fp, "%d", ERL_INT_UVALUE(ep));
      break;
    case ERL_LONGLONG:
    case ERL_U_LONGLONG:
      ch_written += fprintf(fp, "%lld", ERL_LL_UVALUE(ep));
      break;
    case ERL_FLOAT:
      ch_written += fprintf(fp, "%f", ERL_FLOAT_VALUE(ep));
      break;
    case ERL_FUNCTION:
      ch_written += fprintf(fp, "#Fun<");
      ch_written += erl_print_term(fp, ERL_FUN_MODULE(ep));
      putc('.', fp);
      ch_written++;
      ch_written += erl_print_term(fp, ERL_FUN_INDEX(ep));
      putc('.', fp);
      ch_written++;
      ch_written += erl_print_term(fp, ERL_FUN_UNIQ(ep));
      putc('>', fp);
      ch_written++;
      break;
    default:
      ch_written = -10000;
      erl_err_msg("<ERROR> erl_print_term: Bad type of term !");
    }
  return ch_written;
}
Esempio n. 10
0
/*
 * FIXME: Deep (the whole tree) or shallow (just the top term) copy?
 * The documentation never says, but the code as written below will
 * make a deep copy. This should be documented.
 */
ETERM *erl_copy_term(const ETERM *ep)
{
    int i;
    ETERM *cp;

    if (!ep) return NULL;
    /* ASSERT(ep != NULL); */
    
    cp = erl_alloc_eterm(ERL_TYPE(ep));
    ERL_COUNT(cp) = 1;

    switch(ERL_TYPE(cp)) {
    case ERL_INTEGER:
    case ERL_SMALL_BIG:
	ERL_INT_VALUE(cp) = ERL_INT_VALUE(ep);
	break;
    case ERL_U_INTEGER:
    case ERL_U_SMALL_BIG:
	ERL_INT_UVALUE(cp) = ERL_INT_UVALUE(ep);
	break;
    case ERL_LONGLONG:
	ERL_LL_VALUE(cp) = ERL_LL_VALUE(ep);
	break;
    case ERL_U_LONGLONG:
	ERL_LL_UVALUE(cp) = ERL_LL_UVALUE(ep);
	break;
    case ERL_FLOAT:
	ERL_FLOAT_VALUE(cp) = ERL_FLOAT_VALUE(ep);
	break;
    case ERL_ATOM:
	if (!erl_atom_copy(&cp->uval.aval.d, &ep->uval.aval.d))
	{
	    erl_free_term(cp);
	    erl_errno = ENOMEM;
	    return NULL;
	}
	break;
    case ERL_PID:
	/* FIXME: First copy the bit pattern, then duplicate the node
           name and plug in. Somewhat ugly (also done with port and
           ref below). */
	memcpy(&cp->uval.pidval, &ep->uval.pidval, sizeof(Erl_Pid));
	erl_atom_copy(&cp->uval.pidval.node, &ep->uval.pidval.node);
	ERL_COUNT(cp) = 1;
	break;
    case ERL_PORT:
	memcpy(&cp->uval.portval, &ep->uval.portval, sizeof(Erl_Port));
	erl_atom_copy(&cp->uval.portval.node, &ep->uval.portval.node);
	ERL_COUNT(cp) = 1;
	break;
    case ERL_REF:
	memcpy(&cp->uval.refval, &ep->uval.refval, sizeof(Erl_Ref));
	erl_atom_copy(&cp->uval.refval.node, &ep->uval.refval.node);
	ERL_COUNT(cp) = 1;
	break;
    case ERL_LIST:
	HEAD(cp) = erl_copy_term(HEAD(ep));
	TAIL(cp) = erl_copy_term(TAIL(ep));
	break;
    case ERL_EMPTY_LIST:
	break;
    case ERL_TUPLE:
	i = ERL_TUPLE_SIZE(cp) = ERL_TUPLE_SIZE(ep);
	ERL_TUPLE_ELEMS(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*));
	for(i=0; i < ERL_TUPLE_SIZE(ep); i++) 
	    ERL_TUPLE_ELEMENT(cp,i) = erl_copy_term(ERL_TUPLE_ELEMENT(ep, i));
	break;
    case ERL_BINARY:
	ERL_BIN_SIZE(cp) = ERL_BIN_SIZE(ep);
	ERL_BIN_PTR(cp) = (unsigned char *) erl_malloc(ERL_BIN_SIZE(ep));
	memcpy(ERL_BIN_PTR(cp), ERL_BIN_PTR(ep), ERL_BIN_SIZE(ep));
	break;
    case ERL_FUNCTION:
	i = ERL_CLOSURE_SIZE(cp) = ERL_CLOSURE_SIZE(ep);
	ERL_FUN_ARITY(cp)     = ERL_FUN_ARITY(ep);
	ERL_FUN_NEW_INDEX(cp) = ERL_FUN_NEW_INDEX(ep);
	ERL_FUN_INDEX(cp)     = erl_copy_term(ERL_FUN_INDEX(ep));
	ERL_FUN_UNIQ(cp)      = erl_copy_term(ERL_FUN_UNIQ(ep));
	ERL_FUN_CREATOR(cp)   = erl_copy_term(ERL_FUN_CREATOR(ep));
	ERL_FUN_MODULE(cp)    = erl_copy_term(ERL_FUN_MODULE(ep));
	memcpy(ERL_FUN_MD5(cp), ERL_FUN_MD5(ep), sizeof(ERL_FUN_MD5(ep)));
	ERL_CLOSURE(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*));
	for(i=0; i < ERL_CLOSURE_SIZE(ep); i++) 
	    ERL_CLOSURE_ELEMENT(cp,i) = 
		erl_copy_term(ERL_CLOSURE_ELEMENT(ep, i));
	break;
    default:
	erl_err_msg("<ERROR> erl_copy_term: wrong type encountered !");
	erl_free_term(cp);
	return (ETERM *) NULL;
    }
    
    return cp;
}
Esempio n. 11
0
int erl_sprint_term(char *buf, const ETERM *ep)
{
    int j,i,doquote;
    int ch_written = 0; /* counter of written chars */

    if ((!buf) || (!ep)) return 0;
    /* ASSERT(ep != NULL); */

    j = i = doquote = 0;
    switch(ERL_TYPE(ep)) 
    {
    case ERL_ATOM:
	/* FIXME: what if some weird locale is in use? */
	if (!islower((int)ERL_ATOM_PTR(ep)[0]))
	    doquote = 1;

	for (i = 0; !doquote && i < ERL_ATOM_SIZE(ep); i++) 
	{
	    doquote = !(isalnum((int)ERL_ATOM_PTR(ep)[i]) 
			|| (ERL_ATOM_PTR(ep)[i] == '_'));
	}

	if (doquote) {
	    *buf++ = '\'';
	    ch_written++; 
	}
	{
	    int len = ERL_ATOM_SIZE(ep);
	    strncpy(buf, ERL_ATOM_PTR(ep), len);
	    buf += len;
	    ch_written += len;	
	}
	if (doquote) {
	    *buf++ = '\'';
	    ch_written++;
	}
	break;

    case ERL_VARIABLE:
	if (!isupper((int)ERL_VAR_NAME(ep)[0])) {
	    doquote = 1;
	    *buf++ = '\'';
	    ch_written++;
	}
	len = ERL_VAR_LEN(ep);
	strncpy(buf, ERL_VAR_NAME(ep), len);
	buf += len;
	ch_written += len;
	
	if (doquote) {
	    *buf++ = '\'';
	    ch_written++;
	}
	break;

    case ERL_PID:
	len = sprintf(buf, "<%s.%d.%d>", 
		      ERL_PID_NODE(ep), 
		      ERL_PID_NUMBER(ep), ERL_PID_SERIAL(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_PORT:
	len = sprintf(buf , "#Port");
        buf += len;
        ch_written += len;
	break;
    case ERL_REF:
	len = sprintf(buf , "#Ref");
        buf += len;
        ch_written += len;
	break;
    case ERL_EMPTY_LIST:
	len = sprintf(buf , "[]");
        buf += len;
        ch_written += len;
	break;
    case ERL_LIST: 
	if (is_printable_list(ep)) {
	    ch_written += print_string(fp, ep);
	} else {
	    putc('[', fp);
	    ch_written++;
	    while (ERL_IS_CONS(ep)) {
		ch_written += erl_sprint_term(fp, HEAD(ep));
		ep = TAIL(ep);
		if (ERL_IS_CONS(ep)) {
		    putc(',', fp);
		    ch_written++;
		}
	    }
	    if (!ERL_IS_EMPTY_LIST(ep)) {
		putc('|', fp);
		ch_written++;
		ch_written += erl_sprint_term(fp, ep);
	    }
	    putc(']', fp);
	    ch_written++;
	}
	break;
    case ERL_TUPLE:
      putc('{', fp);
      ch_written++;
      for (i=0; i < ERL_TUPLE_SIZE(ep); i++) {
	ch_written += erl_sprint_term(fp, ERL_TUPLE_ELEMENT(ep, j++) );
	if (i != ERL_TUPLE_SIZE(ep)-1) {
	  putc(',', fp);
	  ch_written++;
	}
      }
      putc('}', fp);
      ch_written++;
      break;
    case ERL_BINARY:
	len = sprintf(buf , "#Bin");
        buf += len;
        ch_written += len;
	break;
    case ERL_INTEGER:
    case ERL_SMALL_BIG:
	len = sprintf(buf , "%d", ERL_INT_VALUE(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_U_INTEGER:
    case ERL_U_SMALL_BIG:
	len = sprintf(buf , "%d", ERL_INT_UVALUE(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_FLOAT:
	len = sprintf(buf , "%f", ERL_FLOAT_VALUE(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_FUNCTION:
	len = sprintf(buf , "#Fun<");
        buf += len;
        ch_written += len;
	ch_written += erl_sprint_term(fp, ERL_FUN_MODULE(ep));
	putc('.', fp);
	ch_written++;
	ch_written += erl_sprint_term(fp, ERL_FUN_INDEX(ep));
	putc('.', fp);
	ch_written++;
	ch_written += erl_sprint_term(fp, ERL_FUN_UNIQ(ep));
	putc('>', fp);
	ch_written++;
	break;
    default:
	ch_written = -10000;
	erl_err_msg("<ERROR> erl_sprint_term: Bad type of term !");
    }
    return ch_written;
}
Esempio n. 12
0
/**
 ** rockse <path_to_tbl> <path_to_log>
 **/
int main(int argc, char **argv) {
  rockse * ptr;

  ETERM *from_erl;
  ETERM *cmd;
  ETERM *key;
  ETERM *value;

  char *ret;
  ETERM *to_send;

  byte buf[1024];
  int length;

  log = fopen(argv[2], "a+");

  erl_init(NULL, 0);
  fprintf(log, "*** rockse opening table %s\n", argv[1]);
  ptr = open(argv[1]);

  while (read_cmd(buf) > 0) {

    from_erl = erl_decode(buf);
    fprintf(log, "  rockse command type %d\n", ERL_TYPE(from_erl));
 
    if (match_close(from_erl)) {
      send_bok();
      fprintf(log, "   rockse command +close+ sent\n");
      break; 
    }

    if (ERL_IS_TUPLE(from_erl) && ERL_TUPLE_SIZE(from_erl) == 3) {
      /* can only be a {put, key, val} */
      cmd = ERL_TUPLE_ELEMENT(from_erl, 0);

      if (match_put(cmd)) {
	key = ERL_TUPLE_ELEMENT(from_erl, 1);
	value = ERL_TUPLE_ELEMENT(from_erl, 2);

	fprintf(log, "   rockse command +put+ %s %s sent\n", erl_iolist_to_string(key), erl_iolist_to_string(value));

	put(ptr, erl_iolist_to_string(key), erl_iolist_to_string(value));
	send_put_ok();
      }
      erl_free_term(from_erl);
      erl_free_term(cmd);
      erl_free_term(key);
      erl_free_term(value);
    }
    if (ERL_IS_TUPLE(from_erl) && ERL_TUPLE_SIZE(from_erl) == 2) {
      /* can only be a {get, key} or {delete, key} */
      cmd = ERL_TUPLE_ELEMENT(from_erl, 0);
      if (match_get(cmd)) {
	key = ERL_TUPLE_ELEMENT(from_erl, 1);

	fprintf(log, "   rockse command +get+ %s sent\n", erl_iolist_to_string(key));

	ret = get(ptr, erl_iolist_to_string(key));
	if (ret == NULL) {
	  send_nok();
	}
	else {
	  length = strlen(ret);

	  fprintf(log, "   rockse command +get+ found %s of size %d\n", ret, length);

	  to_send = erl_format("{ok, get, ~s}", ret);
	  send_get_result(to_send);
	  free(ret);
	}
      }
      else if (match_delete(cmd)) {
	key = ERL_TUPLE_ELEMENT(from_erl, 1);

	fprintf(log, "   rockse command +delete+ %s sent\n", erl_iolist_to_string(key));

	delete(ptr, erl_iolist_to_string(key));
	send_delete_ok();
      }

      erl_free_term(from_erl);
      erl_free_term(cmd);
      erl_free_term(key);
    }


    fflush(log);
  }

  close_and_destroy(ptr);
  fprintf(log, "*** rockse closing table %s\n", argv[1]);

  erl_free_term(from_erl);

  fclose(log);

  return 0;
}
Esempio n. 13
0
/*
 * Dump (print for debugging) a term. Useful if/when things go wrong.
 */
void
dump_term (FILE *fp, ETERM *t)
{
    if (fp == NULL) return;

    fprintf(fp, "#<%p ", t);

    if(t != NULL)
    {
	fprintf(fp, "count:%d, type:%d", ERL_COUNT(t), ERL_TYPE(t));

	switch(ERL_TYPE(t))
	{
	case ERL_UNDEF:
	    fprintf(fp, "==undef");
	    break;
	case ERL_INTEGER:
	    fprintf(fp, "==int, val:%d", ERL_INT_VALUE(t));
	    break;
	case ERL_U_INTEGER:
	    fprintf(fp, "==uint, val:%u", ERL_INT_UVALUE(t));
	    break;
	case ERL_FLOAT:
	    fprintf(fp, "==float, val:%g", ERL_FLOAT_VALUE(t));
	    break;
	case ERL_ATOM:
	    fprintf(fp, "==atom, name:%p \"%s\"", 
		    ERL_ATOM_PTR(t), ERL_ATOM_PTR(t));
	    break;
	case ERL_BINARY:
	    fprintf(fp, "==binary, data:%p,%u",
		    ERL_BIN_PTR(t), ERL_BIN_SIZE(t));
	    break;
	case ERL_PID:
	    fprintf(fp, "==pid, node:%p \"%s\"",
		    ERL_PID_NODE(t), ERL_PID_NODE(t));
	    break;
	case ERL_PORT:
	    fprintf(fp, "==port, node:%p \"%s\"",
		    ERL_PORT_NODE(t), ERL_PORT_NODE(t));
	    break;
	case ERL_REF:
	    fprintf(fp, "==ref, node:%p \"%s\"",
		    ERL_REF_NODE(t), ERL_REF_NODE(t));
	    break;
	case ERL_CONS:
	    fprintf(fp, "==cons");
	    fprintf(fp, ", car:");
	    dump_term(fp, ERL_CONS_HEAD(t));
	    fprintf(fp, ", cdr:");
	    dump_term(fp, ERL_CONS_TAIL(t));
	    break;
	case ERL_NIL:
	    fprintf(fp, "==nil");
	    break;
	case ERL_TUPLE:
	    fprintf(fp, "==tuple, elems:%p,%u", 
		    ERL_TUPLE_ELEMS(t), ERL_TUPLE_SIZE(t));
	    {
		size_t i;
		for(i = 0; i < ERL_TUPLE_SIZE(t); i++)
		{
		    fprintf(fp, "elem[%u]:", i);
		    dump_term(fp, ERL_TUPLE_ELEMENT(t, i));		    
		}
	    }
	    break;
	case ERL_VARIABLE:
	    fprintf(fp, "==variable, name:%p \"%s\"",
		    ERL_VAR_NAME(t), ERL_VAR_NAME(t));
	    fprintf(fp, ", value:");
	    dump_term(fp, ERL_VAR_VALUE(t));	    
	    break;

	default:
	    break;
	}
    }
    fprintf(fp, ">");
}
Esempio n. 14
0
PyObject *eterm_to_py(ETERM * obj) {
	int i;
	int count;
	ETERM *obj2;
	PyObject *eobj = NULL;

	if (obj == NULL) {
		Py_INCREF(Py_None);
		return Py_None;
	}

	switch (ERL_TYPE(obj)) {

	case ERL_CONS:
	case ERL_NIL:
		count = erl_length(obj);
		eobj = PyList_New(0);
		for (i = 0; i < count; i++) {
			obj2 = erl_hd(obj);
			PyList_Append(eobj, eterm_to_py(obj2));
			obj = erl_tl(obj);
		}
		break;
	case ERL_TUPLE:
		eobj = PyTuple_New(erl_size(obj));
		for (i = 1; i <= erl_size(obj); i++) {
			obj2 = erl_element(i, obj);
			PyTuple_SetItem(eobj, i - 1, eterm_to_py(obj2));
		}
		break;
	case ERL_ATOM:
		eobj = PyString_FromStringAndSize(ERL_ATOM_PTR(obj), ERL_ATOM_SIZE(obj));
		break;
	case ERL_INTEGER:
		eobj = PyInt_FromLong(ERL_INT_VALUE(obj));
		break;
	case ERL_BINARY:
		fprintf(stderr, "FOUND A BINARY %.*s\n", ERL_BIN_SIZE(obj), ERL_BIN_PTR(obj));
		break;
	case ERL_PID:
		eobj = PyDict_New();
		if (PyDict_SetItemString(eobj, "node", PyString_FromString(ERL_PID_NODE(obj)))) {
			PyErr_Print();
			break;
		}
		if (PyDict_SetItemString(eobj, "number", PyInt_FromLong(ERL_PID_NUMBER(obj)))) {
			PyErr_Print();
			break;
		}
		if (PyDict_SetItemString(eobj, "serial", PyInt_FromLong(ERL_PID_SERIAL(obj)))) {
			PyErr_Print();
			break;
		}
		if (PyDict_SetItemString(eobj, "creation", PyInt_FromLong(ERL_PID_CREATION(obj)))) {
			PyErr_Print();
			break;
		}
	default:
		fprintf(stderr, "UNMANAGED ETERM TYPE: %d\n", ERL_TYPE(obj));
		break;

	}

	if (eobj == NULL) {
		Py_INCREF(Py_None);
		return Py_None;
	}

	return eobj;
}