A Bison parser. More...

#include <evalexpr_parser.h>

Classes
union	semantic_type
	Symbol semantic values. More...

struct	token
	Tokens. More...

Public Types
typedef location	location_type
	Symbol locations. More...

typedef token::yytokentype	token_type
	Token type. More...

typedef int	debug_level_type
	Type for debugging levels. More...

Public Member Functions
	parser (EvalExpr &driver_yyarg)
	Build a parser object. More...

virtual	~parser ()

virtual int	parse ()

std::ostream &	debug_stream () const
	The current debugging stream. More...

void	set_debug_stream (std::ostream &)
	Set the current debugging stream. More...

debug_level_type	debug_level () const
	The current debugging level. More...

void	set_debug_level (debug_level_type l)
	Set the current debugging level. More...

Private Types
typedef int	state_type
	State numbers. More...

typedef stack< state_type >	state_stack_type
	State stack type. More...

typedef stack< semantic_type >	semantic_stack_type
	Semantic value stack type. More...

typedef stack< location_type >	location_stack_type
	location stack type. More...

typedef unsigned char	token_number_type
	Internal symbol numbers. More...

typedef signed char	rhs_number_type
	A type to store symbol numbers and -1. More...

Private Member Functions
virtual void	error (const location_type &loc, const std::string &msg)

virtual std::string	yysyntax_error_ (int yystate, int tok)

virtual void	yy_symbol_value_print_ (int yytype, const semantic_type yyvaluep, const location_type yylocationp)
	Report a symbol value on the debug stream. More...

virtual void	yy_symbol_print_ (int yytype, const semantic_type yyvaluep, const location_type yylocationp)
	Report a symbol on the debug stream. More...

virtual void	yy_reduce_print_ (int r)
	Report on the debug stream that the rule r is going to be reduced. More...

virtual void	yystack_print_ ()
	Print the state stack on the debug stream. More...

token_number_type	yytranslate_ (int t)
	Convert a scanner token number t to a symbol number. More...

void	yydestruct_ (const char yymsg, int yytype, semantic_type yyvaluep, location_type *yylocationp)
	Reclaim the memory associated to a symbol. More...

void	yypop_ (unsigned int n=1)
	Pop n symbols the three stacks. More...

Static Private Member Functions
static bool	yy_pact_value_is_default_ (int yyvalue)

static bool	yy_table_value_is_error_ (int yyvalue)

static std::string	yytnamerr_ (const char *n)
	Convert the symbol name n to a form suitable for a diagnostic. More...

Private Attributes
state_stack_type	yystate_stack_
	The state stack. More...

semantic_stack_type	yysemantic_stack_
	The semantic value stack. More...

location_stack_type	yylocation_stack_
	The location stack. More...

int	yydebug_

std::ostream *	yycdebug_

EvalExpr &	driver

Static Private Attributes
static const signed char	yypact_ []
	For a state, the index in yytable_ of its portion. More...

static const signed char	yypact_ninf_ = -11

static const unsigned char	yydefact_ []

static const signed char	yypgoto_ []

static const signed char	yydefgoto_ []

static const unsigned char	yytable_ []

static const signed char	yytable_ninf_ = -1

static const signed char	yycheck_ []

static const unsigned char	yystos_ []
	For a state, its accessing symbol. More...

static const unsigned char	yyr1_ []
	For a rule, its LHS. More...

static const unsigned char	yyr2_ []
	For a rule, its RHS length. More...

static const char *const	yytname_ []
	For a symbol, its name in clear. More...

static const rhs_number_type	yyrhs_ []
	A `-1'-separated list of the rules' RHS. More...

static const unsigned char	yyprhs_ []
	For each rule, the index of the first RHS symbol in yyrhs_. More...

static const unsigned char	yyrline_ []
	For each rule, its source line number. More...

static const unsigned short int	yytoken_number_ []
	For each scanner token number, its symbol number. More...

static const int	yyeof_ = 0

static const int	yylast_ = 42

static const int	yynnts_ = 3

static const int	yyempty_ = -2

static const int	yyfinal_ = 12

static const int	yyterror_ = 1

static const int	yyerrcode_ = 256

static const int	yyntokens_ = 15

static const unsigned int	yyuser_token_number_max_ = 262

static const token_number_type	yyundef_token_ = 2

Detailed Description

A Bison parser.

Definition at line 74 of file evalexpr_parser.h.

Member Typedef Documentation

typedef int yy::parser::debug_level_type

Type for debugging levels.

Definition at line 128 of file evalexpr_parser.h.

typedef stack<location_type> yy::parser::location_stack_type

private

location stack type.

Definition at line 173 of file evalexpr_parser.h.

typedef location yy::parser::location_type

Symbol locations.

Definition at line 95 of file evalexpr_parser.h.

typedef signed char yy::parser::rhs_number_type

private

A type to store symbol numbers and -1.

Definition at line 231 of file evalexpr_parser.h.

typedef stack<semantic_type> yy::parser::semantic_stack_type

private

Semantic value stack type.

Definition at line 171 of file evalexpr_parser.h.

typedef stack<state_type> yy::parser::state_stack_type

private

State stack type.

Definition at line 169 of file evalexpr_parser.h.

typedef int yy::parser::state_type

private

State numbers.

Definition at line 167 of file evalexpr_parser.h.

typedef unsigned char yy::parser::token_number_type

private

Internal symbol numbers.

Definition at line 191 of file evalexpr_parser.h.

typedef token::yytokentype yy::parser::token_type

Token type.

Definition at line 110 of file evalexpr_parser.h.

Constructor & Destructor Documentation

yy::parser::parser ( EvalExpr & driver_yyarg )

Build a parser object.

Definition at line 201 of file evalexpr_parser.cpp.

yy::parser::~parser ( )

virtual

Definition at line 212 of file evalexpr_parser.cpp.

Member Function Documentation

parser::debug_level_type yy::parser::debug_level ( ) const

The current debugging level.

Definition at line 335 of file evalexpr_parser.cpp.

std::ostream & yy::parser::debug_stream ( ) const

The current debugging stream.

Definition at line 321 of file evalexpr_parser.cpp.

void yy::parser::error	(	const location_type &	loc,
		const std::string &	msg
	)

privatevirtual

Report a syntax error.

Parameters

loc	where the syntax error is found.
msg	a description of the syntax error.

Definition at line 1161 of file evalexpr_parser.cpp.

int yy::parser::parse ( )

virtual

Parse.

Returns: 0 iff parsing succeeded.

Lookahead and lookahead in internal form.

Semantic value of the lookahead.

Location of the lookahead.

The locations where the error started and ended.

$$.

$.

Definition at line 363 of file evalexpr_parser.cpp.

void yy::parser::set_debug_level ( debug_level_type l )

Set the current debugging level.

Definition at line 342 of file evalexpr_parser.cpp.

void yy::parser::set_debug_stream ( std::ostream & o )

Set the current debugging stream.

Definition at line 328 of file evalexpr_parser.cpp.

bool yy::parser::yy_pact_value_is_default_ ( int yyvalue )

inlinestaticprivate

Whether the given yypact_ value indicates a defaulted state.

Parameters

yyvalue the value to check

Definition at line 349 of file evalexpr_parser.cpp.

void yy::parser::yy_reduce_print_ ( int r )

privatevirtual

Report on the debug stream that the rule r is going to be reduced.

Definition at line 1077 of file evalexpr_parser.cpp.

void yy::parser::yy_symbol_print_	(	int	yytype,
		const semantic_type *	yyvaluep,
		const location_type *	yylocationp
	)

privatevirtual

Report a symbol on the debug stream.

Parameters

yytype	The token type.
yyvaluep	Its semantic value.
yylocationp	Its location.

Definition at line 270 of file evalexpr_parser.cpp.

void yy::parser::yy_symbol_value_print_	(	int	yytype,
		const semantic_type *	yyvaluep,
		const location_type *	yylocationp
	)

inlineprivatevirtual

Report a symbol value on the debug stream.

Parameters

yytype	The token type.
yyvaluep	Its semantic value.
yylocationp	Its location.

Definition at line 223 of file evalexpr_parser.cpp.

bool yy::parser::yy_table_value_is_error_ ( int yyvalue )

inlinestaticprivate

Whether the given yytable_ value indicates a syntax error.

Parameters

yyvalue the value to check

Definition at line 356 of file evalexpr_parser.cpp.

void yy::parser::yydestruct_	(	const char *	yymsg,
		int	yytype,
		semantic_type *	yyvaluep,
		location_type *	yylocationp
	)

inlineprivate

Reclaim the memory associated to a symbol.

Parameters

yymsg	Why this token is reclaimed. If null, do not display the symbol, just free it.
yytype	The symbol type.
yyvaluep	Its semantic value.
yylocationp	Its location.

Definition at line 282 of file evalexpr_parser.cpp.

void yy::parser::yypop_ ( unsigned int n = 1 )

inlineprivate

Pop n symbols the three stacks.

Definition at line 311 of file evalexpr_parser.cpp.

void yy::parser::yystack_print_ ( )

privatevirtual

Print the state stack on the debug stream.

Definition at line 1064 of file evalexpr_parser.cpp.

std::string yy::parser::yysyntax_error_	(	int	yystate,
		int	tok
	)

privatevirtual

Generate an error message.

Parameters

state	the state where the error occurred.
tok	the lookahead token.

Definition at line 825 of file evalexpr_parser.cpp.

std::string yy::parser::yytnamerr_ ( const char * n )

staticprivate

Convert the symbol name n to a form suitable for a diagnostic.

Definition at line 166 of file evalexpr_parser.cpp.

parser::token_number_type yy::parser::yytranslate_ ( int t )

private

Convert a scanner token number t to a symbol number.

Definition at line 1097 of file evalexpr_parser.cpp.

Member Data Documentation

EvalExpr& yy::parser::driver

private

Definition at line 282 of file evalexpr_parser.h.

std::ostream* yy::parser::yycdebug_

private

Definition at line 248 of file evalexpr_parser.h.

const signed char yy::parser::yycheck_

staticprivate

Initial value:

=
  {
    3,   4,  5, 13,  0,  8, 4, 5, 6,  7,
    13, 14, 15, 16, 17, 13, 6, 7, 8,  9,
    12, -1, 12, -1, 14,  6, 7, 8, 9, -1,
    -1, 12, -1, 14,  6,  7, 8, 9, 8,  9,
    12, -1, 12
  }

Definition at line 213 of file evalexpr_parser.h.

int yy::parser::yydebug_

private

Definition at line 247 of file evalexpr_parser.h.

const unsigned char yy::parser::yydefact_

staticprivate

Initial value:

=
  {
    2,  5, 4,  0,  0, 0, 0, 3, 0, 12,
    11, 0, 1,  0,  0, 0, 0, 0, 0, 14,
    8,  7, 9, 10, 13, 6
  }

For a state, default reduction number. Unlessyytable_ specifies something else to do. Zero means the default is an error.

Definition at line 200 of file evalexpr_parser.h.

const signed char yy::parser::yydefgoto_

staticprivate

Initial value:

=
  {
    -1, 6, 7
  }

Definition at line 203 of file evalexpr_parser.h.

const int yy::parser::yyempty_ = -2

staticprivate

Definition at line 273 of file evalexpr_parser.h.

const int yy::parser::yyeof_ = 0

staticprivate

Definition at line 269 of file evalexpr_parser.h.

const int yy::parser::yyerrcode_ = 256

staticprivate

Definition at line 276 of file evalexpr_parser.h.

const int yy::parser::yyfinal_ = 12

staticprivate

Definition at line 274 of file evalexpr_parser.h.

const int yy::parser::yylast_ = 42

staticprivate

Definition at line 271 of file evalexpr_parser.h.

location_stack_type yy::parser::yylocation_stack_

private

The location stack.

Definition at line 180 of file evalexpr_parser.h.

const int yy::parser::yynnts_ = 3

staticprivate

Definition at line 272 of file evalexpr_parser.h.

const int yy::parser::yyntokens_ = 15

staticprivate

Definition at line 277 of file evalexpr_parser.h.

const signed char yy::parser::yypact_

staticprivate

Initial value:

=
  {
    2,  -10, -11, 2, 2, 2, 4, 28,  2,   8,
    8,   10, -11, 2, 2, 2, 2,  2, 19, -11,
    30,  30,   8, 8, 8, -11
  }

For a state, the index in yytable_ of its portion.

Definition at line 194 of file evalexpr_parser.h.

const signed char yy::parser::yypact_ninf_ = -11

staticprivate

Definition at line 195 of file evalexpr_parser.h.

const signed char yy::parser::yypgoto_

staticprivate

Initial value:

=
  {
    -11, -11, -3
  }

Definition at line 202 of file evalexpr_parser.h.

const unsigned char yy::parser::yyprhs_

staticprivate

Initial value:

=
  {
    0,   0,  3,  4, 6, 8, 10, 15, 19, 23,
    27, 31, 34, 37, 41
  }

For each rule, the index of the first RHS symbol in yyrhs_.

Definition at line 235 of file evalexpr_parser.h.

const unsigned char yy::parser::yyr1_

staticprivate

Initial value:

=
  {
    0,  15, 16, 16, 17, 17, 17, 17, 17, 17,
    17, 17, 17, 17, 17
  }

For a rule, its LHS.

Definition at line 219 of file evalexpr_parser.h.

const unsigned char yy::parser::yyr2_

staticprivate

Initial value:

=
  {
    0, 2, 0, 1, 1, 1, 4, 3, 3, 3,
    3, 2, 2, 3, 3
  }

For a rule, its RHS length.

Definition at line 221 of file evalexpr_parser.h.

const parser::rhs_number_type yy::parser::yyrhs_

staticprivate

Initial value:

=
  {
    16,  0, -1, -1, 17, -1,  5, -1,  4, -1,
    4,  13, 17, 14, -1, 17,  7, 17, -1, 17,
    6,  17, -1, 17,  8, 17, -1, 17,  9, 17,
    -1,  7, 17, -1,  6, 17, -1, 17, 12, 17,
    -1, 13, 17, 14, -1
  }

A `-1'-separated list of the rules' RHS.

Definition at line 233 of file evalexpr_parser.h.

const unsigned char yy::parser::yyrline_

staticprivate

Initial value:

=
  {
    0,  48, 48, 49, 51, 52, 53, 54, 55, 56,
    57, 58, 59, 60, 61
  }

For each rule, its source line number.

Definition at line 237 of file evalexpr_parser.h.

semantic_stack_type yy::parser::yysemantic_stack_

private

The semantic value stack.

Definition at line 178 of file evalexpr_parser.h.

state_stack_type yy::parser::yystate_stack_

private

The state stack.

Definition at line 176 of file evalexpr_parser.h.

const unsigned char yy::parser::yystos_

staticprivate

Initial value:

=
  {
    0,   4,  5,  6,  7, 13, 16, 17, 13, 17,
    17, 17,  0,  6,  7,  8,  9, 12, 17, 14,
    17, 17, 17, 17, 17, 14
  }

For a state, its accessing symbol.

Definition at line 216 of file evalexpr_parser.h.

const unsigned char yy::parser::yytable_

staticprivate

Initial value:

=
  {
    9,  10, 11,  8, 12, 18,  1,  2,  3,  4,
    20, 21, 22, 23, 24,  5, 13, 14, 15, 16,
    17,  0, 17,  0, 19, 13, 14, 15, 16,  0,
    0,  17,  0, 25, 13, 14, 15, 16, 15, 16,
    17,  0, 17
  }

What to do in a state. yytable_[yypact_[s]]: what to do in state s.

if positive, shift that token.
if negative, reduce the rule which number is the opposite.
if zero, do what YYDEFACT says.

Definition at line 210 of file evalexpr_parser.h.

const signed char yy::parser::yytable_ninf_ = -1

staticprivate

Definition at line 211 of file evalexpr_parser.h.

const int yy::parser::yyterror_ = 1

staticprivate

Definition at line 275 of file evalexpr_parser.h.

const char *const yy::parser::yytname_

staticprivate

Initial value:

=
  {
    "$end", "error", "$undefined", "EOL", "IDENTIFIER", "NUMBER", "'-'",
    "'+'",  "'*'",   "'/'",        "NEG", "PLS",        "'^'",    "'('","')'","$accept",
    "line", "expr",  YY_NULL
  }

For a symbol, its name in clear.

Definition at line 228 of file evalexpr_parser.h.

const unsigned short int yy::parser::yytoken_number_

staticprivate

Initial value:

=
  {
    0,   256, 257, 258, 259, 260, 45, 43, 42, 47,
    261, 262,  94,  40, 41
  }

For each scanner token number, its symbol number.

Definition at line 239 of file evalexpr_parser.h.

const parser::token_number_type yy::parser::yyundef_token_ = 2

staticprivate

Definition at line 279 of file evalexpr_parser.h.

const unsigned int yy::parser::yyuser_token_number_max_ = 262

staticprivate

Definition at line 278 of file evalexpr_parser.h.

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

src/lib/Tools/evalexpr_parser.h
src/lib/Tools/evalexpr_parser.cpp

Classes

Public Types

Public Member Functions

Private Types

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation