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Data Structures
struct	TC

Macros
#define	FAKE_CELL ((void *) 1)
#define	EXIT_CELL ((void *) 2)

Typedefs
typedef struct TC	tree_cell

Enumerations

enum node_type {
NODE_EMPTY = 0 , 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
}

Functions
tree_cell *	alloc_expr_cell (int, int, tree_cell , tree_cell )
tree_cell *	alloc_RE_cell (int, int, tree_cell , char , int *)
tree_cell *	alloc_typed_cell (int)
int	nasl_is_leaf (const tree_cell *)
char *	get_line_nb (const tree_cell *)
tree_cell *	dup_cell (const tree_cell *)
void	nasl_dump_tree (const tree_cell *)
void	ref_cell (tree_cell *)
void	deref_cell (tree_cell *)
const char *	nasl_type_name (int)
int	cell_type (const tree_cell *)
char *	dump_cell_val (const tree_cell *)

Macro Definition Documentation

◆ EXIT_CELL

#define EXIT_CELL ((void *) 2)

Definition at line 111 of file nasl_tree.h.

◆ FAKE_CELL

#define FAKE_CELL ((void *) 1)

Definition at line 110 of file nasl_tree.h.

Referenced by __attribute__(), affect_to_anon_var(), alloc_RE_cell(), cell2atom(), cell2bool(), cell2int3(), cell2str(), cell_cmp(), cell_type(), check_description_block(), check_description_block_xref(), copy_ref_array(), create_anon_var(), create_named_var(), decl_local_variables(), decl_nasl_func(), deref_cell(), dump_cell_val(), dump_ip_v6_packet(), dump_tree(), dup_cell(), exec_nasl_script(), find_description_block(), free_tree(), get_host_ip(), get_kb_list(), get_line_nb(), get_port_state(), get_udp_port_state(), host_reverse_lookup(), insert_nasl_func(), make_array_from_elems(), make_call_func_list(), nasl_array_iterator(), nasl_close_socket(), nasl_crap(), nasl_dump_ctxt(), nasl_dump_expr(), nasl_dump_tree(), nasl_egrep(), nasl_ereg_replace(), nasl_exec(), nasl_func_call(), nasl_get_sock_info(), nasl_is_leaf(), nasl_leave_multicast_group(), nasl_lint(), nasl_lint_call(), nasl_lint_def(), nasl_lint_defvar(), nasl_okrb5_find_kdc(), nasl_okrb5_gss_session_key_context(), nasl_okrb5_gss_update_context_out(), nasl_open_privileged_socket(), nasl_read_var_ref(), nasl_return(), nasl_scanner_add_port(), nasl_scanner_status(), nasl_send_packet(), nasl_send_v6packet(), nasl_short_dump(), nasl_sleep(), nasl_ssh_disconnect(), nasl_ssh_set_login(), nasl_start_denial(), nasl_strstr(), nasl_unlink(), nasl_usleep(), ref_cell(), replace_kb_item(), script_add_preference(), script_category(), script_copyright(), script_cve_id(), script_dependencies(), script_exclude_keys(), script_family(), script_get_preference(), script_get_preference_file_content(), script_mandatory_keys(), script_name(), script_oid(), script_require_keys(), script_require_ports(), script_require_udp_ports(), script_tag(), script_timeout(), script_version(), script_xref(), security_notus(), security_something(), set_kb_item(), set_kb_item_volatile(), validate_function(), and validate_script_xref().

Typedef Documentation

◆ tree_cell

typedef struct TC tree_cell

Enumeration Type Documentation

◆ node_type

enum node_type

Enumerator
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 11 of file nasl_tree.h.

{
  NODE_EMPTY = 0,
  NODE_IF_ELSE, /* [0] = cond, [1] = if_block, [2] = else_block */
  NODE_INSTR_L, /* Block. [0] = first instr, [1] = tail */
  NODE_FOR,     /* [0] = start expr, [1] = cond, [2] = end_expr, [3] = block */
  NODE_WHILE,   /* [0] = cond, [1] = block */
  NODE_FOREACH,
  NODE_REPEAT_UNTIL,
  NODE_REPEATED, /* [0] = func call, [1] = repeat nb */
  NODE_FUN_DEF,  /* [0] = argdecl, [1] = block */
  NODE_FUN_CALL, /* [0] = script_infos */
  NODE_DECL,     /* [0] = next arg in list */
  NODE_ARG,      /* val = name can be NULL, [0] = val, [1] = next arg */
  NODE_RETURN,   /* ret val */
  NODE_BREAK,
  NODE_CONTINUE,
 
  NODE_ARRAY_EL, /* val = array name, [0] = index */
  NODE_AFF,      /* [0] = lvalue, [1] = rvalue */
  NODE_VAR,      /* val = variable name */
  NODE_LOCAL,    /* [0] = argdecl */
  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, /* "impure" string */
 
  CONST_DATA,  /* binary data / "pure" string */
  CONST_REGEX, /* Compiled regex */
 
  ARRAY_ELEM, /* val = char index or NULL if integer,
               * [0] = value, [1] = next element */
  /* For exec only */
  REF_VAR,
  REF_ARRAY,
  DYN_ARRAY
};

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_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(), nasl_notus_error(), 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(), 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_notus(), nasl_pread(), nasl_read_var_ref(), nasl_return(), nasl_start_denial(), 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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◆ 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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◆ 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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◆ 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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Data Structures

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ EXIT_CELL

◆ FAKE_CELL

Typedef Documentation

◆ tree_cell

Enumeration Type Documentation

◆ node_type

Function Documentation

◆ alloc_expr_cell()

◆ alloc_RE_cell()

◆ alloc_typed_cell()

◆ cell_type()

◆ deref_cell()

◆ dump_cell_val()

◆ dup_cell()

◆ get_line_nb()

◆ nasl_dump_tree()

◆ nasl_is_leaf()

◆ nasl_type_name()

◆ ref_cell()