nasl_tree.c File Reference

#include "nasl_tree.h"
#include "nasl_debug.h"
#include "nasl_var.h"
#include <glib.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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Functions
static tree_cell *	alloc_tree_cell ()
tree_cell *	alloc_typed_cell (int typ)
tree_cell *	alloc_RE_cell (int lnb, int t, tree_cell *l, char *re_str, int *err_c)
tree_cell *	alloc_expr_cell (int lnb, int t, tree_cell *l, tree_cell *r)
tree_cell *	dup_cell (const tree_cell *tc)
static void	free_tree (tree_cell *c)
void	ref_cell (tree_cell *c)
void	deref_cell (tree_cell *c)
static void	prefix (int n, int i)
char *	dump_cell_val (const tree_cell *c)
static void	dump_tree (const tree_cell *c, int n, int idx)
const char *	nasl_type_name (int t)
void	nasl_dump_tree (const tree_cell *c)
char *	get_line_nb (const tree_cell *c)
int	nasl_is_leaf (const tree_cell *pc)
int	cell_type (const tree_cell *c)

Variables
static char *	node_names []

Function Documentation

alloc_expr_cell()

tree_cell * alloc_expr_cell	(	int	lnb,
		int	t,
		tree_cell *	l,
		tree_cell *	r )

Definition at line 60 of file nasl_tree.c.

{
  tree_cell *c = alloc_tree_cell ();
  c->line_nb = lnb;
  c->type = t;
  c->link[0] = l;
  c->link[1] = r;
 
  return c;
}

References alloc_tree_cell(), TC::line_nb, TC::link, and TC::type.

Referenced by get_array_elem(), int2cell(), nasl_exec(), and yyparse().

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alloc_RE_cell()

tree_cell * alloc_RE_cell	(	int	lnb,
		int	t,
		tree_cell *	l,
		char *	re_str,
		int *	err_c )

Definition at line 33 of file nasl_tree.c.

{
  regex_t *re = g_malloc0 (sizeof (regex_t));
  int e;
 
  tree_cell *c = alloc_tree_cell ();
  c->line_nb = lnb;
  c->type = t; /* We could check the type... */
  c->link[0] = l;
  c->link[1] = FAKE_CELL;
  e = regcomp (re, re_str, REG_EXTENDED | REG_NOSUB | REG_ICASE);
  if (!e)
    c->x.ref_val = re;
  else
    {
      char errbuf[100];
      regerror (e, re, errbuf, sizeof (errbuf));
      nasl_perror (NULL, "Line %d: Cannot compile regex: %s (error %d: %s)\n",
                   lnb, re_str, e, errbuf);
      g_free (re);
      *err_c = *err_c + 1;
    }
  g_free (re_str);
  return c;
}

References alloc_tree_cell(), FAKE_CELL, TC::line_nb, TC::link, nasl_perror(), TC::ref_val, TC::type, and TC::x.

Referenced by yyparse().

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alloc_tree_cell()

tree_cell * alloc_tree_cell ( )

static

Definition at line 19 of file nasl_tree.c.

{
  return g_malloc0 (sizeof (tree_cell));
}

Referenced by alloc_expr_cell(), alloc_RE_cell(), alloc_typed_cell(), and dup_cell().

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alloc_typed_cell()

tree_cell * alloc_typed_cell

(

int

typ

)

Definition at line 25 of file nasl_tree.c.

{
  tree_cell *c = alloc_tree_cell ();
  c->type = typ;
  return c;
}

References alloc_tree_cell(), and TC::type.

Referenced by __attribute__(), _http2_req(), _http_req(), array_from_snmp_error(), array_from_snmp_result(), cgibin(), copy_ref_array(), crypt_data(), encrypt_stream_data(), forge_icmp_packet(), forge_icmp_v6_packet(), forge_igmp_packet(), forge_igmp_v6_packet(), forge_ip_packet(), forge_ip_v6_packet(), forge_tcp_packet(), forge_tcp_v6_packet(), forge_udp_packet(), forge_udp_v6_packet(), get_host_ip(), get_host_kb_index(), get_host_open_port(), get_hostname(), get_hostname_source(), get_hostnames(), get_icmp_element(), get_icmp_v6_element(), get_ip_element(), get_ip_v6_element(), get_kb_item(), get_kb_list(), get_port_state(), get_port_transport(), get_script_oid(), get_tcp_element(), get_tcp_option(), get_tcp_v6_element(), get_tcp_v6_option(), get_udp_element(), get_udp_port_state(), get_udp_v6_element(), get_variable_by_name(), host_reverse_lookup(), insert_ip_options(), insert_tcp_options(), insert_tcp_v6_options(), make_array_from_elems(), nasl_bf_cbc(), nasl_bn_random(), nasl_chomp(), nasl_cipher(), nasl_close_stream_cipher(), nasl_crap(), nasl_dec2str(), nasl_defined_func(), nasl_dh_compute_key(), nasl_dh_generate_key(), nasl_display(), nasl_do_exit(), nasl_egrep(), nasl_end_denial(), nasl_ereg(), nasl_ereg_replace(), nasl_eregmatch(), nasl_exec(), nasl_file_close(), nasl_file_open(), nasl_file_read(), nasl_file_seek(), nasl_file_stat(), nasl_file_write(), nasl_find_in_path(), nasl_forge_frame(), nasl_fread(), nasl_ftp_get_pasv_address(), nasl_ftp_log_in(), nasl_fwrite(), nasl_gcrypt_hash(), nasl_get_byte_order(), nasl_get_local_mac_address_from_ip(), nasl_get_mtu(), nasl_get_preference(), nasl_get_sign(), nasl_get_sock_info(), nasl_get_source_port(), nasl_get_tmp_dir(), nasl_gettimeofday(), nasl_gunzip(), nasl_gzip(), nasl_hex(), nasl_hexstr(), nasl_hmac_sha256(), nasl_http2_close_handle(), nasl_http2_get_response_code(), nasl_http2_handle(), nasl_http2_set_custom_header(), nasl_incr_variable(), nasl_insert_hexzeros(), nasl_insstr(), nasl_int(), nasl_islocalhost(), nasl_islocalnet(), nasl_isnull(), nasl_isotime_add(), nasl_isotime_is_valid(), nasl_isotime_now(), nasl_isotime_print(), nasl_isotime_scan(), nasl_join_multicast_group(), nasl_keyexchg(), nasl_keys(), nasl_lint(), nasl_lm_owf_gen(), nasl_localtime(), nasl_mac(), nasl_make_array(), nasl_make_list(), nasl_match(), nasl_max_index(), nasl_mktime(), nasl_notus_error(), nasl_notus_type(), nasl_ntlm2_response(), nasl_ntlm_response(), nasl_ntlmv1_hash(), nasl_ntlmv2_hash(), nasl_ntlmv2_response(), nasl_ntv2_owf_gen(), nasl_okrb5_add_realm(), nasl_okrb5_error_code_to_string(), nasl_okrb5_find_kdc(), nasl_okrb5_gss_init(), nasl_okrb5_gss_prepare_context(), nasl_okrb5_gss_update_context(), nasl_okrb5_gss_update_context_needs_more(), nasl_okrb5_is_failure(), nasl_okrb5_is_success(), nasl_open_privileged_socket(), nasl_open_sock_kdc(), nasl_open_sock_tcp_bufsz(), nasl_open_sock_udp(), nasl_open_stream_cipher(), nasl_ord(), nasl_pcap_next(), nasl_pem_to(), nasl_pread(), nasl_prf(), nasl_rand(), nasl_rawstring(), nasl_read_var_ref(), nasl_recv(), nasl_recv_line(), nasl_rsa_private_decrypt(), nasl_rsa_public_decrypt(), nasl_rsa_public_encrypt(), nasl_rsa_sign(), nasl_same_host(), nasl_scanner_get_port(), nasl_send(), nasl_send_arp_request(), nasl_send_capture(), nasl_send_frame(), nasl_send_packet(), nasl_send_v6packet(), nasl_sftp_enabled_check(), nasl_smb3kdf(), nasl_smb_close(), nasl_smb_connect(), nasl_smb_file_group_sid(), nasl_smb_file_owner_sid(), nasl_smb_file_SDDL(), nasl_smb_file_trustee_rights(), nasl_smb_sign(), nasl_smb_versioninfo(), nasl_socket_cert_verify(), nasl_socket_check_ssl_safe_renegotiation(), nasl_socket_get_cert(), nasl_socket_get_error(), nasl_socket_get_ssl_ciphersuite(), nasl_socket_get_ssl_session_id(), nasl_socket_get_ssl_version(), nasl_socket_negotiate_ssl(), nasl_socket_ssl_do_handshake(), nasl_split(), nasl_ssh_connect(), nasl_ssh_execute_netconf_subsystem(), nasl_ssh_get_auth_methods(), nasl_ssh_get_host_key(), nasl_ssh_get_issue_banner(), nasl_ssh_get_server_banner(), nasl_ssh_get_sock(), nasl_ssh_login_interactive(), nasl_ssh_login_interactive_pass(), nasl_ssh_request_exec(), nasl_ssh_session_id_from_sock(), nasl_ssh_shell_open(), nasl_ssh_shell_read(), nasl_ssh_shell_write(), nasl_ssh_userauth(), nasl_str_replace(), nasl_strcat(), nasl_stridx(), nasl_string(), nasl_strlen(), nasl_strstr(), nasl_substr(), nasl_target_is_ipv6(), nasl_tcp_ping(), nasl_tcp_v6_ping(), nasl_telnet_init(), nasl_this_host(), nasl_this_host_name(), nasl_tolower(), nasl_toupper(), nasl_typeof(), nasl_unixtime(), nasl_vendor_version(), nasl_win_cmd_exec(), nasl_wmi_close(), nasl_wmi_connect(), nasl_wmi_connect_reg(), nasl_wmi_connect_rsop(), nasl_wmi_query(), nasl_wmi_query_rsop(), nasl_wmi_reg_create_key(), nasl_wmi_reg_delete_key(), nasl_wmi_reg_enum_key(), nasl_wmi_reg_enum_value(), nasl_wmi_reg_get_bin_val(), nasl_wmi_reg_get_dword_val(), nasl_wmi_reg_get_ex_string_val(), nasl_wmi_reg_get_mul_string_val(), nasl_wmi_reg_get_qword_val(), nasl_wmi_reg_get_sz(), nasl_wmi_reg_set_dword_val(), nasl_wmi_reg_set_ex_string_val(), nasl_wmi_reg_set_qword_val(), nasl_wmi_reg_set_string_val(), nasl_wmi_versioninfo(), okrb5_slice_to_tree_cell(), parse_notus(), parse_skiron(), resolve_hostname(), resolve_hostname_to_multiple_ips(), safe_checks(), script_get_preference(), script_get_preference_file_content(), script_get_preference_file_location(), set_ip_elements(), set_ip_v6_elements(), set_tcp_elements(), set_tcp_v6_elements(), set_udp_elements(), set_udp_v6_elements(), var2cell(), and yyparse().

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cell_type()

int cell_type

(

const tree_cell *

c

)

Definition at line 404 of file nasl_tree.c.

 {
   if (c == NULL || c == FAKE_CELL)
     return 0;
   else
     return c->type;
 }

References FAKE_CELL, and TC::type.

Referenced by cell_cmp().

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deref_cell()

void deref_cell

(

tree_cell *

c

)

Definition at line 178 of file nasl_tree.c.

{
  if (c == NULL || c == FAKE_CELL)
    return;
  if (--c->ref_count < 0)
    free_tree (c);
}

References FAKE_CELL, free_tree(), and TC::ref_count.

Referenced by cell2atom(), cell2bool(), cell2int3(), cell2str(), cell_cmp(), create_anon_var(), create_named_var(), exec_nasl_script(), free_lex_ctxt(), free_tree(), get_kb_list(), get_tcp_v6_element(), make_array_from_elems(), nasl_clean_ctx(), nasl_display(), nasl_exec(), nasl_func_call(), nasl_pread(), nasl_read_var_ref(), nasl_return(), nasl_start_denial(), nasl_strcat(), parse_notus(), var_cmp(), and yyparse().

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dump_cell_val()

char * dump_cell_val

(

const tree_cell *

c

)

Definition at line 231 of file nasl_tree.c.

{
  static char txt[80];
 
  if (c == NULL)
    return "NULL";
  else if (c == FAKE_CELL)
    return "FAKE";
  else
    switch (c->type)
      {
      case CONST_INT:
        snprintf (txt, sizeof (txt), "%ld", c->x.i_val);
        break;
      case CONST_STR:
      case CONST_DATA: /* Beurk (English: Yuck) */
        if ((unsigned int) c->size >= sizeof (txt) + 2)
          {
            snprintf (txt, sizeof (txt), "\"%s", c->x.str_val);
            strcpy (txt + (sizeof (txt) - 5), "...\"");
          }
        else
          snprintf (txt, sizeof (txt), "\"%s\"", c->x.str_val);
        break;
      default:
        snprintf (txt, sizeof (txt), "???? (%s)", nasl_type_name (c->type));
        break;
      }
  return txt;
}

References CONST_DATA, CONST_INT, CONST_STR, FAKE_CELL, TC::i_val, nasl_type_name(), TC::size, TC::str_val, TC::type, and TC::x.

Referenced by nasl_func_call().

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dump_tree()

void dump_tree ( const tree_cell * c, int n, int idx )

static

Definition at line 263 of file nasl_tree.c.

{
  int i;
 
  if (c == NULL)
    return;
 
  prefix (n, idx);
 
  if (c == FAKE_CELL)
    {
      puts ("* FAKE *");
      return;
    }
 
  if (c->line_nb > 0)
    printf ("L%d: ", c->line_nb);
 
  if (c->type < 0
      || (unsigned int) c->type >= sizeof (node_names) / sizeof (node_names[0]))
    printf ("* UNKNOWN %d (0x%x)*\n", c->type, c->type);
  else
    printf ("%s (%d)\n", node_names[c->type], c->type);
 
  prefix (n, idx);
  printf ("Ref_count=%d", c->ref_count);
  if (c->size > 0)
    {
      /*prefix(n, idx); */
      printf ("\tSize=%ld (0x%lx)", c->size, c->size);
    }
  putchar ('\n');
 
  switch (c->type)
    {
    case CONST_INT:
      prefix (n, 0);
      printf ("Val=%ld\n", c->x.i_val);
      break;
 
    case CONST_STR:
    case CONST_DATA:
    case NODE_VAR:
    case NODE_FUN_DEF:
    case NODE_FUN_CALL:
    case NODE_DECL:
    case NODE_ARG:
    case NODE_ARRAY_EL:
    case ARRAY_ELEM:
      prefix (n, 0);
      if (c->x.str_val == NULL)
        printf ("Val=(null)\n");
      else
        printf ("Val=\"%s\"\n", c->x.str_val);
      break;
    case REF_VAR:
      prefix (n, 0);
      if (c->x.ref_val == NULL)
        printf ("Ref=(null)\n");
      else
        {
          named_nasl_var *v = c->x.ref_val;
          printf ("Ref=(type=%d, name=%s, value=%s)\n", v->u.var_type,
                  v->var_name != NULL ? v->var_name : "(null)",
                  var2str (&v->u));
        }
      break;
 
    case REF_ARRAY:
    case DYN_ARRAY:
      break;
    }
 
  for (i = 0; i < 4; i++)
    {
      dump_tree (c->link[i], n + 3, i + 1);
    }
}

References ARRAY_ELEM, CONST_DATA, CONST_INT, CONST_STR, dump_tree(), DYN_ARRAY, FAKE_CELL, TC::i_val, TC::line_nb, TC::link, NODE_ARG, NODE_ARRAY_EL, NODE_DECL, NODE_FUN_CALL, NODE_FUN_DEF, node_names, NODE_VAR, prefix(), REF_ARRAY, TC::ref_count, TC::ref_val, REF_VAR, TC::size, TC::str_val, TC::type, st_n_nasl_var::u, var2str(), st_n_nasl_var::var_name, st_a_nasl_var::var_type, and TC::x.

Referenced by dump_tree(), and nasl_dump_tree().

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dup_cell()

tree_cell * dup_cell

(

const tree_cell *

tc

)

Definition at line 72 of file nasl_tree.c.

{
  tree_cell *r;
  int i;
 
  if (tc == NULL)
    return NULL;
  else if (tc == FAKE_CELL)
    return FAKE_CELL;
 
  r = alloc_tree_cell ();
  r->line_nb = tc->line_nb;
  r->type = tc->type;
  r->size = tc->size;
 
  switch (tc->type)
    {
    case CONST_STR:
    case CONST_DATA:
      r->x.str_val = g_malloc0 (tc->size + 1);
      memcpy (r->x.str_val, tc->x.str_val, tc->size);
      break;
    default:
      r->x = tc->x;
      break;
    }
 
  for (i = 0; i < 4; i++)
    r->link[i] = dup_cell (tc->link[i]);
  return r;
}

References alloc_tree_cell(), CONST_DATA, CONST_STR, dup_cell(), FAKE_CELL, TC::line_nb, TC::link, TC::size, TC::str_val, TC::type, and TC::x.

Referenced by dup_cell().

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free_tree()

void free_tree ( tree_cell * c )

static

Definition at line 105 of file nasl_tree.c.

{
  int i;
  nasl_array *a;
 
  if (c == NULL || c == FAKE_CELL)
    return;
  for (i = 0; i < 4; i++)
    if (c->link[i] != NULL)
      deref_cell (c->link[i]);
 
  if (c->x.str_val != NULL)
    switch (c->type)
      {
      case CONST_STR:
      case CONST_DATA:
#ifdef SCRATCH_FREED_MEMORY
        if (c->size > 0)
          memset (c->x.str_val, 0xFF, c->size);
#endif
        g_free (c->x.str_val);
        break;
 
      case CONST_REGEX:
      case COMP_RE_MATCH:
      case COMP_RE_NOMATCH:
        if (c->x.ref_val != NULL)
          {
            regfree (c->x.ref_val);
            g_free (c->x.ref_val);
          }
        break;
 
      case DYN_ARRAY:
        a = c->x.ref_val;
        if (a != NULL)
          {
            free_array (a);
            g_free (c->x.ref_val);
          }
        break;
 
      case NODE_FUN_DEF:
      case NODE_FUN_CALL:
      case NODE_VAR:
      case NODE_DECL:
      case NODE_ARG:
      case NODE_ARRAY_EL:
      case NODE_FOREACH:
        g_free (c->x.str_val);
        break;
      }
#ifdef SCRATCH_FREED_MEMORY
  memset (c, 0xFF, sizeof (*c));
#endif
  g_free (c);
}

References COMP_RE_MATCH, COMP_RE_NOMATCH, CONST_DATA, CONST_REGEX, CONST_STR, deref_cell(), DYN_ARRAY, FAKE_CELL, free_array(), TC::link, NODE_ARG, NODE_ARRAY_EL, NODE_DECL, NODE_FOREACH, NODE_FUN_CALL, NODE_FUN_DEF, NODE_VAR, TC::ref_val, TC::size, TC::str_val, TC::type, and TC::x.

Referenced by deref_cell().

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get_line_nb()

char * get_line_nb

(

const tree_cell *

c

)

Definition at line 376 of file nasl_tree.c.

{
  static char txt[32];
  if (c == NULL || c == FAKE_CELL || c->line_nb <= 0)
    return "";
  snprintf (txt, sizeof (txt), " at or near line %d ", c->line_nb);
  return txt;
}

References FAKE_CELL, and TC::line_nb.

Referenced by get_array_elem(), nasl_incr_variable(), and nasl_read_var_ref().

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nasl_dump_tree()

void nasl_dump_tree

(

const tree_cell *

c

)

Definition at line 363 of file nasl_tree.c.

{
  printf ("^^^^ %p ^^^^^\n", (void *) c);
  if (c == NULL)
    puts ("NULL CELL");
  else if (c == FAKE_CELL)
    puts ("FAKE CELL");
  else
    dump_tree (c, 0, 0);
  printf ("vvvvvvvvvvvvvvvvvv\n");
}

References dump_tree(), and FAKE_CELL.

Referenced by dump_ctxt(), nasl_func_call(), and ref_cell().

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nasl_is_leaf()

int nasl_is_leaf

(

const tree_cell *

pc

)

Definition at line 386 of file nasl_tree.c.

{
  if (pc == NULL || pc == FAKE_CELL)
    return 1;
  switch (pc->type)
    {
    case CONST_INT:
    case CONST_STR:
    case CONST_DATA:
    case REF_ARRAY:
    case DYN_ARRAY:
      return 1;
    default:
      return 0;
    }
 /*NOTREACHED*/}

References CONST_DATA, CONST_INT, CONST_STR, DYN_ARRAY, FAKE_CELL, REF_ARRAY, and TC::type.

Referenced by nasl_func_call().

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nasl_type_name()

const char * nasl_type_name

(

int

t

)

Definition at line 343 of file nasl_tree.c.

{
  static char txt4[4][32]; /*  This function may be called 4 times in the same
                              expression */
  static int i = 0;
  char *txt;
 
  if (i >= 4)
    i = 0;
  txt = txt4[i];
 
  if (t >= 0 && (unsigned int) t < sizeof (node_names) / sizeof (node_names[0]))
    snprintf (txt, 32, "%s (%d)", node_names[t], t);
  else
    snprintf (txt, 32, "*UNKNOWN* (%d)", t);
  i++;
  return txt;
}

References node_names.

Referenced by cell_cmp(), dump_cell_val(), make_array_from_elems(), and nasl_affect().

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prefix()

void prefix ( int n, int i )

static

Definition at line 219 of file nasl_tree.c.

{
  int j;
  for (j = 0; j < n; j++)
    putchar (' ');
  if (i <= 0)
    fputs ("   ", stdout);
  else
    printf ("%d: ", i);
}

Referenced by dump_tree(), get_plugin_preference(), ipv6_prefix_to_mask(), load_checksums(), o_krb5_write_trimmed(), and print_pcap_error().

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ref_cell()

void ref_cell

(

tree_cell *

c

)

Definition at line 164 of file nasl_tree.c.

{
  if (c == NULL || c == FAKE_CELL)
    return;
  c->ref_count++;
  if (c->ref_count < 0)
    {
      nasl_perror (NULL, "ref_cell: ref count is negative!\n");
      nasl_dump_tree (c);
      abort ();
    }
}

References FAKE_CELL, nasl_dump_tree(), nasl_perror(), and TC::ref_count.

Referenced by cell2atom(), insert_nasl_func(), nasl_do_exit(), nasl_exec(), nasl_func_call(), nasl_return(), and yyparse().

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Variable Documentation

node_names

char* node_names[]

static

Initial value:

                     = {
"NODE_EMPTY",      "NODE_IF_ELSE",    "NODE_INSTR_L",      "NODE_FOR",
"NODE_WHILE",      "NODE_FOREACH",    "NODE_REPEAT_UNTIL", "NODE_REPEATED",
"NODE_FUN_DEF",    "NODE_FUN_CALL",   "NODE_DECL",         "NODE_ARG",
"NODE_RETURN",     "NODE_BREAK",      "NODE_CONTINUE",
 
"NODE_ARRAY_EL",   "NODE_AFF",        "NODE_VAR",          "NODE_LOCAL",
"NODE_GLOBAL",     "NODE_PLUS_EQ",    "NODE_MINUS_EQ",     "NODE_MULT_EQ",
"NODE_DIV_EQ",     "NODE_MODULO_EQ",
 
"NODE_L_SHIFT_EQ", "NODE_R_SHIFT_EQ", "NODE_R_USHIFT_EQ",  "EXPR_AND",
"EXPR_OR",         "EXPR_NOT",
 
"EXPR_PLUS",       "EXPR_MINUS",      "EXPR_U_MINUS",      "EXPR_MULT",
"EXPR_DIV",        "EXPR_MODULO",     "EXPR_EXPO",
 
"EXPR_BIT_AND",    "EXPR_BIT_OR",     "EXPR_BIT_XOR",      "EXPR_BIT_NOT",
"EXPR_INCR",       "EXPR_DECR",       "EXPR_L_SHIFT",      "EXPR_R_SHIFT",
"EXPR_R_USHIFT",
 
"COMP_MATCH",      "COMP_NOMATCH",    "COMP_RE_MATCH",     "COMP_RE_NOMATCH",
 
"COMP_LT",         "COMP_LE",         "COMP_EQ",           "COMP_NE",
"COMP_GT",         "COMP_GE",         "CONST_INT",         "CONST_STR",
"CONST_DATA",      "CONST_REGEX",
 
"ARRAY_ELEM",
 
"REF_VAR",         "REF_ARRAY",       "DYN_ARRAY"}

Definition at line 188 of file nasl_tree.c.

                          {
  "NODE_EMPTY",      "NODE_IF_ELSE",    "NODE_INSTR_L",      "NODE_FOR",
  "NODE_WHILE",      "NODE_FOREACH",    "NODE_REPEAT_UNTIL", "NODE_REPEATED",
  "NODE_FUN_DEF",    "NODE_FUN_CALL",   "NODE_DECL",         "NODE_ARG",
  "NODE_RETURN",     "NODE_BREAK",      "NODE_CONTINUE",
 
  "NODE_ARRAY_EL",   "NODE_AFF",        "NODE_VAR",          "NODE_LOCAL",
  "NODE_GLOBAL",     "NODE_PLUS_EQ",    "NODE_MINUS_EQ",     "NODE_MULT_EQ",
  "NODE_DIV_EQ",     "NODE_MODULO_EQ",
 
  "NODE_L_SHIFT_EQ", "NODE_R_SHIFT_EQ", "NODE_R_USHIFT_EQ",  "EXPR_AND",
  "EXPR_OR",         "EXPR_NOT",
 
  "EXPR_PLUS",       "EXPR_MINUS",      "EXPR_U_MINUS",      "EXPR_MULT",
  "EXPR_DIV",        "EXPR_MODULO",     "EXPR_EXPO",
 
  "EXPR_BIT_AND",    "EXPR_BIT_OR",     "EXPR_BIT_XOR",      "EXPR_BIT_NOT",
  "EXPR_INCR",       "EXPR_DECR",       "EXPR_L_SHIFT",      "EXPR_R_SHIFT",
  "EXPR_R_USHIFT",
 
  "COMP_MATCH",      "COMP_NOMATCH",    "COMP_RE_MATCH",     "COMP_RE_NOMATCH",
 
  "COMP_LT",         "COMP_LE",         "COMP_EQ",           "COMP_NE",
  "COMP_GT",         "COMP_GE",         "CONST_INT",         "CONST_STR",
  "CONST_DATA",      "CONST_REGEX",
 
  "ARRAY_ELEM",
 
  "REF_VAR",         "REF_ARRAY",       "DYN_ARRAY"};

Referenced by dump_tree(), and nasl_type_name().