Kea 2.7.1
Classes | Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
isc::eval::EvalParser Class Reference

A Bison parser. More...

#include <parser.h>

Classes

struct  basic_symbol
 A complete symbol. More...
 
struct  by_kind
 Type access provider for token (enum) based symbols. More...
 
class  context
 
struct  symbol_kind
 Symbol kinds. More...
 
struct  symbol_type
 "External" symbols: returned by the scanner. More...
 
struct  syntax_error
 Syntax errors thrown from user actions. More...
 
struct  token
 Token kinds. More...
 
class  value_type
 A buffer to store and retrieve objects. More...
 

Public Types

typedef by_kind by_type
 Backward compatibility for a private implementation detail (Bison 3.6).
 
typedef location location_type
 Symbol locations.
 
typedef value_type semantic_type
 Backward compatibility (Bison 3.8).
 
typedef symbol_kind::symbol_kind_type symbol_kind_type
 (Internal) symbol kind.
 
typedef token::token_kind_type token_kind_type
 Token kind, as returned by yylex.
 
typedef token_kind_type token_type
 Backward compatibility alias (Bison 3.6).
 

Public Member Functions

 EvalParser (EvalContext &ctx_yyarg)
 Build a parser object.
 
virtual ~EvalParser ()
 
virtual void error (const location_type &loc, const std::string &msg)
 Report a syntax error.
 
void error (const syntax_error &err)
 Report a syntax error.
 
int operator() ()
 Parse.
 
virtual int parse ()
 Parse.
 

Static Public Member Functions

static symbol_type make_ADDRTOTEXT (const location_type &l)
 
static symbol_type make_ALL (const location_type &l)
 
static symbol_type make_AND (const location_type &l)
 
static symbol_type make_ANY (const location_type &l)
 
static symbol_type make_CHADDR (const location_type &l)
 
static symbol_type make_CIADDR (const location_type &l)
 
static symbol_type make_COMA (const location_type &l)
 
static symbol_type make_CONCAT (const location_type &l)
 
static symbol_type make_DATA (const location_type &l)
 
static symbol_type make_DOT (const location_type &l)
 
static symbol_type make_DST (const location_type &l)
 
static symbol_type make_END (const location_type &l)
 
static symbol_type make_ENTERPRISE (const location_type &l)
 
static symbol_type make_EQUAL (const location_type &l)
 
static symbol_type make_EVALerror (const location_type &l)
 
static symbol_type make_EVALUNDEF (const location_type &l)
 
static symbol_type make_EXISTS (const location_type &l)
 
static symbol_type make_GIADDR (const location_type &l)
 
static symbol_type make_HEX (const location_type &l)
 
static symbol_type make_HEXSTRING (const std::string &v, const location_type &l)
 
static symbol_type make_HLEN (const location_type &l)
 
static symbol_type make_HTYPE (const location_type &l)
 
static symbol_type make_IFACE (const location_type &l)
 
static symbol_type make_IFELSE (const location_type &l)
 
static symbol_type make_INT16TOTEXT (const location_type &l)
 
static symbol_type make_INT32TOTEXT (const location_type &l)
 
static symbol_type make_INT8TOTEXT (const location_type &l)
 
static symbol_type make_INTEGER (const std::string &v, const location_type &l)
 
static symbol_type make_IP_ADDRESS (const std::string &v, const location_type &l)
 
static symbol_type make_LBRACKET (const location_type &l)
 
static symbol_type make_LCASE (const location_type &l)
 
static symbol_type make_LEN (const location_type &l)
 
static symbol_type make_LINKADDR (const location_type &l)
 
static symbol_type make_LPAREN (const location_type &l)
 
static symbol_type make_MATCH (const location_type &l)
 
static symbol_type make_MEMBER (const location_type &l)
 
static symbol_type make_MSGTYPE (const location_type &l)
 
static symbol_type make_NOT (const location_type &l)
 
static symbol_type make_OPTION (const location_type &l)
 
static symbol_type make_OPTION_NAME (const std::string &v, const location_type &l)
 
static symbol_type make_OR (const location_type &l)
 
static symbol_type make_PEERADDR (const location_type &l)
 
static symbol_type make_PKT (const location_type &l)
 
static symbol_type make_PKT4 (const location_type &l)
 
static symbol_type make_PKT6 (const location_type &l)
 
static symbol_type make_PLUS (const location_type &l)
 
static symbol_type make_RBRACKET (const location_type &l)
 
static symbol_type make_RELAY4 (const location_type &l)
 
static symbol_type make_RELAY6 (const location_type &l)
 
static symbol_type make_RPAREN (const location_type &l)
 
static symbol_type make_SIADDR (const location_type &l)
 
static symbol_type make_SPLIT (const location_type &l)
 
static symbol_type make_SRC (const location_type &l)
 
static symbol_type make_STRING (const std::string &v, const location_type &l)
 
static symbol_type make_SUBSTRING (const location_type &l)
 
static symbol_type make_TEXT (const location_type &l)
 
static symbol_type make_TOHEXSTRING (const location_type &l)
 
static symbol_type make_TOPLEVEL_BOOL (const location_type &l)
 
static symbol_type make_TOPLEVEL_STRING (const location_type &l)
 
static symbol_type make_TRANSID (const location_type &l)
 
static symbol_type make_UCASE (const location_type &l)
 
static symbol_type make_UINT16TOTEXT (const location_type &l)
 
static symbol_type make_UINT32TOTEXT (const location_type &l)
 
static symbol_type make_UINT8TOTEXT (const location_type &l)
 
static symbol_type make_VENDOR (const location_type &l)
 
static symbol_type make_VENDOR_CLASS (const location_type &l)
 
static symbol_type make_YIADDR (const location_type &l)
 
static std::string symbol_name (symbol_kind_type yysymbol)
 The user-facing name of the symbol whose (internal) number is YYSYMBOL.
 

Static Public Attributes

static const symbol_kind_type YYNTOKENS = symbol_kind::YYNTOKENS
 The number of tokens.
 

Detailed Description

A Bison parser.

Definition at line 214 of file parser.h.

Member Typedef Documentation

◆ by_type

typedef by_kind isc::eval::EvalParser::by_type

Backward compatibility for a private implementation detail (Bison 3.6).

Definition at line 1047 of file parser.h.

◆ location_type

typedef location isc::eval::EvalParser::location_type

Symbol locations.

Definition at line 482 of file parser.h.

◆ semantic_type

typedef value_type isc::eval::EvalParser::semantic_type

Backward compatibility (Bison 3.8).

Definition at line 479 of file parser.h.

◆ symbol_kind_type

typedef symbol_kind::symbol_kind_type isc::eval::EvalParser::symbol_kind_type

(Internal) symbol kind.

Definition at line 682 of file parser.h.

◆ token_kind_type

typedef token::token_kind_type isc::eval::EvalParser::token_kind_type

Token kind, as returned by yylex.

Definition at line 581 of file parser.h.

◆ token_type

typedef token_kind_type isc::eval::EvalParser::token_type

Backward compatibility alias (Bison 3.6).

Definition at line 584 of file parser.h.

Constructor & Destructor Documentation

◆ EvalParser()

isc::eval::EvalParser::EvalParser ( EvalContext & ctx_yyarg)

Build a parser object.

Definition at line 152 of file parser.cc.

◆ ~EvalParser()

isc::eval::EvalParser::~EvalParser ( )
virtual

Definition at line 162 of file parser.cc.

Member Function Documentation

◆ error() [1/2]

void isc::eval::EvalParser::error ( const location_type & loc,
const std::string & msg )
virtual

Report a syntax error.

Parameters
locwhere the syntax error is found.
msga description of the syntax error.

Definition at line 2268 of file parser.cc.

◆ error() [2/2]

void isc::eval::EvalParser::error ( const syntax_error & err)

Report a syntax error.

Definition at line 1798 of file parser.cc.

References isc::db::error.

◆ make_ADDRTOTEXT()

static symbol_type isc::eval::EvalParser::make_ADDRTOTEXT ( const location_type & l)
inlinestatic

Definition at line 1772 of file parser.h.

◆ make_ALL()

static symbol_type isc::eval::EvalParser::make_ALL ( const location_type & l)
inlinestatic

Definition at line 1682 of file parser.h.

◆ make_AND()

static symbol_type isc::eval::EvalParser::make_AND ( const location_type & l)
inlinestatic

Definition at line 1232 of file parser.h.

◆ make_ANY()

static symbol_type isc::eval::EvalParser::make_ANY ( const location_type & l)
inlinestatic

Definition at line 1982 of file parser.h.

◆ make_CHADDR()

static symbol_type isc::eval::EvalParser::make_CHADDR ( const location_type & l)
inlinestatic

Definition at line 1547 of file parser.h.

◆ make_CIADDR()

static symbol_type isc::eval::EvalParser::make_CIADDR ( const location_type & l)
inlinestatic

Definition at line 1592 of file parser.h.

◆ make_COMA()

static symbol_type isc::eval::EvalParser::make_COMA ( const location_type & l)
inlinestatic

Definition at line 1697 of file parser.h.

◆ make_CONCAT()

static symbol_type isc::eval::EvalParser::make_CONCAT ( const location_type & l)
inlinestatic

Definition at line 1712 of file parser.h.

◆ make_DATA()

static symbol_type isc::eval::EvalParser::make_DATA ( const location_type & l)
inlinestatic

Definition at line 1997 of file parser.h.

◆ make_DOT()

static symbol_type isc::eval::EvalParser::make_DOT ( const location_type & l)
inlinestatic

Definition at line 1397 of file parser.h.

◆ make_DST()

static symbol_type isc::eval::EvalParser::make_DST ( const location_type & l)
inlinestatic

Definition at line 1502 of file parser.h.

◆ make_END()

static symbol_type isc::eval::EvalParser::make_END ( const location_type & l)
inlinestatic

Definition at line 1142 of file parser.h.

◆ make_ENTERPRISE()

static symbol_type isc::eval::EvalParser::make_ENTERPRISE ( const location_type & l)
inlinestatic

Definition at line 2012 of file parser.h.

◆ make_EQUAL()

static symbol_type isc::eval::EvalParser::make_EQUAL ( const location_type & l)
inlinestatic

Definition at line 1262 of file parser.h.

◆ make_EVALerror()

static symbol_type isc::eval::EvalParser::make_EVALerror ( const location_type & l)
inlinestatic

Definition at line 1157 of file parser.h.

◆ make_EVALUNDEF()

static symbol_type isc::eval::EvalParser::make_EVALUNDEF ( const location_type & l)
inlinestatic

Definition at line 1172 of file parser.h.

◆ make_EXISTS()

static symbol_type isc::eval::EvalParser::make_EXISTS ( const location_type & l)
inlinestatic

Definition at line 1442 of file parser.h.

◆ make_GIADDR()

static symbol_type isc::eval::EvalParser::make_GIADDR ( const location_type & l)
inlinestatic

Definition at line 1607 of file parser.h.

◆ make_HEX()

static symbol_type isc::eval::EvalParser::make_HEX ( const location_type & l)
inlinestatic

Definition at line 1427 of file parser.h.

◆ make_HEXSTRING()

static symbol_type isc::eval::EvalParser::make_HEXSTRING ( const std::string & v,
const location_type & l )
inlinestatic

Definition at line 2102 of file parser.h.

◆ make_HLEN()

static symbol_type isc::eval::EvalParser::make_HLEN ( const location_type & l)
inlinestatic

Definition at line 1562 of file parser.h.

◆ make_HTYPE()

static symbol_type isc::eval::EvalParser::make_HTYPE ( const location_type & l)
inlinestatic

Definition at line 1577 of file parser.h.

◆ make_IFACE()

static symbol_type isc::eval::EvalParser::make_IFACE ( const location_type & l)
inlinestatic

Definition at line 1472 of file parser.h.

◆ make_IFELSE()

static symbol_type isc::eval::EvalParser::make_IFELSE ( const location_type & l)
inlinestatic

Definition at line 1742 of file parser.h.

◆ make_INT16TOTEXT()

static symbol_type isc::eval::EvalParser::make_INT16TOTEXT ( const location_type & l)
inlinestatic

Definition at line 1802 of file parser.h.

◆ make_INT32TOTEXT()

static symbol_type isc::eval::EvalParser::make_INT32TOTEXT ( const location_type & l)
inlinestatic

Definition at line 1817 of file parser.h.

◆ make_INT8TOTEXT()

static symbol_type isc::eval::EvalParser::make_INT8TOTEXT ( const location_type & l)
inlinestatic

Definition at line 1787 of file parser.h.

◆ make_INTEGER()

static symbol_type isc::eval::EvalParser::make_INTEGER ( const std::string & v,
const location_type & l )
inlinestatic

Definition at line 2087 of file parser.h.

◆ make_IP_ADDRESS()

static symbol_type isc::eval::EvalParser::make_IP_ADDRESS ( const std::string & v,
const location_type & l )
inlinestatic

Definition at line 2132 of file parser.h.

◆ make_LBRACKET()

static symbol_type isc::eval::EvalParser::make_LBRACKET ( const location_type & l)
inlinestatic

Definition at line 1367 of file parser.h.

◆ make_LCASE()

static symbol_type isc::eval::EvalParser::make_LCASE ( const location_type & l)
inlinestatic

Definition at line 1877 of file parser.h.

◆ make_LEN()

static symbol_type isc::eval::EvalParser::make_LEN ( const location_type & l)
inlinestatic

Definition at line 1517 of file parser.h.

◆ make_LINKADDR()

static symbol_type isc::eval::EvalParser::make_LINKADDR ( const location_type & l)
inlinestatic

Definition at line 1352 of file parser.h.

◆ make_LPAREN()

static symbol_type isc::eval::EvalParser::make_LPAREN ( const location_type & l)
inlinestatic

Definition at line 1187 of file parser.h.

◆ make_MATCH()

static symbol_type isc::eval::EvalParser::make_MATCH ( const location_type & l)
inlinestatic

Definition at line 2027 of file parser.h.

◆ make_MEMBER()

static symbol_type isc::eval::EvalParser::make_MEMBER ( const location_type & l)
inlinestatic

Definition at line 1322 of file parser.h.

◆ make_MSGTYPE()

static symbol_type isc::eval::EvalParser::make_MSGTYPE ( const location_type & l)
inlinestatic

Definition at line 1922 of file parser.h.

◆ make_NOT()

static symbol_type isc::eval::EvalParser::make_NOT ( const location_type & l)
inlinestatic

Definition at line 1217 of file parser.h.

◆ make_OPTION()

static symbol_type isc::eval::EvalParser::make_OPTION ( const location_type & l)
inlinestatic

Definition at line 1277 of file parser.h.

◆ make_OPTION_NAME()

static symbol_type isc::eval::EvalParser::make_OPTION_NAME ( const std::string & v,
const location_type & l )
inlinestatic

Definition at line 2117 of file parser.h.

◆ make_OR()

static symbol_type isc::eval::EvalParser::make_OR ( const location_type & l)
inlinestatic

Definition at line 1247 of file parser.h.

◆ make_PEERADDR()

static symbol_type isc::eval::EvalParser::make_PEERADDR ( const location_type & l)
inlinestatic

Definition at line 1337 of file parser.h.

◆ make_PKT()

static symbol_type isc::eval::EvalParser::make_PKT ( const location_type & l)
inlinestatic

Definition at line 1457 of file parser.h.

◆ make_PKT4()

static symbol_type isc::eval::EvalParser::make_PKT4 ( const location_type & l)
inlinestatic

Definition at line 1532 of file parser.h.

◆ make_PKT6()

static symbol_type isc::eval::EvalParser::make_PKT6 ( const location_type & l)
inlinestatic

Definition at line 1907 of file parser.h.

◆ make_PLUS()

static symbol_type isc::eval::EvalParser::make_PLUS ( const location_type & l)
inlinestatic

Definition at line 1727 of file parser.h.

◆ make_RBRACKET()

static symbol_type isc::eval::EvalParser::make_RBRACKET ( const location_type & l)
inlinestatic

Definition at line 1382 of file parser.h.

◆ make_RELAY4()

static symbol_type isc::eval::EvalParser::make_RELAY4 ( const location_type & l)
inlinestatic

Definition at line 1292 of file parser.h.

◆ make_RELAY6()

static symbol_type isc::eval::EvalParser::make_RELAY6 ( const location_type & l)
inlinestatic

Definition at line 1307 of file parser.h.

◆ make_RPAREN()

static symbol_type isc::eval::EvalParser::make_RPAREN ( const location_type & l)
inlinestatic

Definition at line 1202 of file parser.h.

◆ make_SIADDR()

static symbol_type isc::eval::EvalParser::make_SIADDR ( const location_type & l)
inlinestatic

Definition at line 1637 of file parser.h.

◆ make_SPLIT()

static symbol_type isc::eval::EvalParser::make_SPLIT ( const location_type & l)
inlinestatic

Definition at line 1667 of file parser.h.

◆ make_SRC()

static symbol_type isc::eval::EvalParser::make_SRC ( const location_type & l)
inlinestatic

Definition at line 1487 of file parser.h.

◆ make_STRING()

static symbol_type isc::eval::EvalParser::make_STRING ( const std::string & v,
const location_type & l )
inlinestatic

Definition at line 2072 of file parser.h.

◆ make_SUBSTRING()

static symbol_type isc::eval::EvalParser::make_SUBSTRING ( const location_type & l)
inlinestatic

Definition at line 1652 of file parser.h.

◆ make_TEXT()

static symbol_type isc::eval::EvalParser::make_TEXT ( const location_type & l)
inlinestatic

Definition at line 1412 of file parser.h.

◆ make_TOHEXSTRING()

static symbol_type isc::eval::EvalParser::make_TOHEXSTRING ( const location_type & l)
inlinestatic

Definition at line 1757 of file parser.h.

◆ make_TOPLEVEL_BOOL()

static symbol_type isc::eval::EvalParser::make_TOPLEVEL_BOOL ( const location_type & l)
inlinestatic

Definition at line 2042 of file parser.h.

◆ make_TOPLEVEL_STRING()

static symbol_type isc::eval::EvalParser::make_TOPLEVEL_STRING ( const location_type & l)
inlinestatic

Definition at line 2057 of file parser.h.

◆ make_TRANSID()

static symbol_type isc::eval::EvalParser::make_TRANSID ( const location_type & l)
inlinestatic

Definition at line 1937 of file parser.h.

◆ make_UCASE()

static symbol_type isc::eval::EvalParser::make_UCASE ( const location_type & l)
inlinestatic

Definition at line 1892 of file parser.h.

◆ make_UINT16TOTEXT()

static symbol_type isc::eval::EvalParser::make_UINT16TOTEXT ( const location_type & l)
inlinestatic

Definition at line 1847 of file parser.h.

◆ make_UINT32TOTEXT()

static symbol_type isc::eval::EvalParser::make_UINT32TOTEXT ( const location_type & l)
inlinestatic

Definition at line 1862 of file parser.h.

◆ make_UINT8TOTEXT()

static symbol_type isc::eval::EvalParser::make_UINT8TOTEXT ( const location_type & l)
inlinestatic

Definition at line 1832 of file parser.h.

◆ make_VENDOR()

static symbol_type isc::eval::EvalParser::make_VENDOR ( const location_type & l)
inlinestatic

Definition at line 1967 of file parser.h.

◆ make_VENDOR_CLASS()

static symbol_type isc::eval::EvalParser::make_VENDOR_CLASS ( const location_type & l)
inlinestatic

Definition at line 1952 of file parser.h.

◆ make_YIADDR()

static symbol_type isc::eval::EvalParser::make_YIADDR ( const location_type & l)
inlinestatic

Definition at line 1622 of file parser.h.

◆ operator()()

int isc::eval::EvalParser::operator() ( )

Parse.

An alias for parse ().

Returns
0 iff parsing succeeded.

Definition at line 638 of file parser.cc.

References parse().

+ Here is the call graph for this function:

◆ parse()

int isc::eval::EvalParser::parse ( )
virtual

Parse.

Returns
0 iff parsing succeeded.

Length of the RHS of the rule being reduced.

The lookahead symbol.

The locations where the error started and ended.

The return value of parse ().

Definition at line 644 of file parser.cc.

References isc::dhcp::TokenPkt4::CHADDR, isc::dhcp::TokenPkt4::CIADDR, isc::eval::EvalContext::convertNestLevelNumber(), isc::eval::EvalContext::convertOptionCode(), isc::eval::EvalContext::convertOptionName(), isc::eval::EvalContext::convertUint32(), isc::eval::EvalContext::convertUint8(), isc::dhcp::TokenVendor::DATA, isc::dhcp::TokenPkt::DST, isc::dhcp::TokenVendor::ENTERPRISE_ID, isc::db::error, isc::dhcp::TokenOption::EXISTS, isc::eval::EvalContext::expression, isc::eval::EvalContext::getUniverse(), isc::dhcp::TokenPkt4::GIADDR, isc::dhcp::TokenOption::HEXADECIMAL, isc::dhcp::TokenPkt4::HLEN, isc::dhcp::TokenPkt4::HTYPE, isc::dhcp::TokenPkt::IFACE, isc::eval::EvalContext::isClientClassDefined(), isc::dhcp::TokenPkt::LEN, isc::dhcp::TokenRelay6Field::LINKADDR, isc::dhcp::TokenPkt4::MSGTYPE, isc::dhcp::TokenPkt6::MSGTYPE, isc::dhcp::TokenRelay6Field::PEERADDR, isc::eval::EvalParser::symbol_kind::S_enterprise_id, isc::eval::EvalParser::symbol_kind::S_HEXSTRING, isc::eval::EvalParser::symbol_kind::S_INTEGER, isc::eval::EvalParser::symbol_kind::S_integer_expr, isc::eval::EvalParser::symbol_kind::S_IP_ADDRESS, isc::eval::EvalParser::symbol_kind::S_nest_level, isc::eval::EvalParser::symbol_kind::S_option_code, isc::eval::EvalParser::symbol_kind::S_OPTION_NAME, isc::eval::EvalParser::symbol_kind::S_option_repr_type, isc::eval::EvalParser::symbol_kind::S_pkt4_field, isc::eval::EvalParser::symbol_kind::S_pkt6_field, isc::eval::EvalParser::symbol_kind::S_pkt_metadata, isc::eval::EvalParser::symbol_kind::S_relay6_field, isc::eval::EvalParser::symbol_kind::S_STRING, isc::eval::EvalParser::symbol_kind::S_sub_option_code, isc::eval::EvalParser::symbol_kind::S_YYEOF, isc::eval::EvalParser::symbol_kind::S_YYerror, isc::eval::EvalParser::symbol_kind::S_YYUNDEF, isc::dhcp::TokenPkt4::SIADDR, isc::dhcp::TokenPkt::SRC, isc::dhcp::TokenOption::TEXTUAL, isc::dhcp::TokenPkt4::TRANSID, isc::dhcp::TokenPkt6::TRANSID, isc::dhcp::Option::V4, isc::dhcp::Option::V6, isc::dhcp::TokenPkt4::YIADDR, YY_MOVE, YY_REDUCE_PRINT, YY_STACK_PRINT, YY_SYMBOL_PRINT, YYABORT, YYACCEPT, YYCDEBUG, YYERROR, yylex, and YYLLOC_DEFAULT.

Referenced by operator()(), and isc::eval::EvalContext::parseString().

+ Here is the call graph for this function:

◆ symbol_name()

std::string isc::eval::EvalParser::symbol_name ( symbol_kind_type yysymbol)
static

The user-facing name of the symbol whose (internal) number is YYSYMBOL.

No bounds checking.

Definition at line 1844 of file parser.cc.

Referenced by isc::eval::EvalParser::basic_symbol< Base >::name().

Member Data Documentation

◆ YYNTOKENS

const symbol_kind_type isc::eval::EvalParser::YYNTOKENS = symbol_kind::YYNTOKENS
static

The number of tokens.

Definition at line 685 of file parser.h.

Referenced by isc::eval::EvalParser::context::expected_tokens().

The documentation for this class was generated from the following files: