Aprepro: SEAMS::Parser Class Reference

A Bison parser. More...

#include <aprepro_parser.h>

Collaboration diagram for SEAMS::Parser:

[legend]

Classes
struct	basic_symbol

struct	by_state
	Type access provider for state based symbols. More...

struct	by_type
	Type access provider for token (enum) based symbols. More...

union	semantic_type
	Symbol semantic values. More...

class	stack
	A stack with random access from its top. More...

struct	stack_symbol_type
	"Internal" symbol: element of the stack. More...

struct	symbol_type
	"External" symbols: returned by the scanner. More...

struct	syntax_error
	Syntax errors thrown from user actions. More...

struct	token
	Tokens. More...

Public Types
enum	{ empty_symbol = -2 }
	The symbol type number to denote an empty symbol. More...

typedef token::yytokentype	token_type
	(External) token type, as returned by yylex. More...

typedef int	symbol_number_type
	Symbol type: an internal symbol number. More...

typedef unsigned char	token_number_type
	Internal symbol number for tokens (subsumed by symbol_number_type). More...

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

Public Member Functions
	Parser (class Aprepro &aprepro_yyarg)
	Build a parser object. More...

virtual	~Parser ()

int	operator() ()

virtual int	parse ()

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

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

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

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

virtual void	error (const std::string &msg)

void	error (const syntax_error &err)
	Report a syntax error. More...

Private Types
enum	{ yyeof_ = 0, yylast_ = 1315, yynnts_ = 7, yyfinal_ = 2, yyterror_ = 1, yyerrcode_ = 256, yyntokens_ = 50 }
	Constants. More...

typedef int	state_type
	State numbers. More...

typedef stack< stack_symbol_type >	stack_type
	Stack type. More...

Private Member Functions
	Parser (const Parser &)
	This class is not copiable. More...

Parser &	operator= (const Parser &)

virtual std::string	yysyntax_error_ (state_type yystate, const symbol_type &yyla) const

state_type	yy_lr_goto_state_ (state_type yystate, int yysym)

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...

template<typename Base >
void	yy_print_ (std::ostream &yyo, const basic_symbol< Base > &yysym) const
	Display a symbol type, value and location. More...

template<typename Base >
void	yy_destroy_ (const char *yymsg, basic_symbol< Base > &yysym) const
	Reclaim the memory associated to a symbol. More...

void	yypush_ (const char *m, YY_MOVE_REF(stack_symbol_type) sym)

void	yypush_ (const char *m, state_type s, YY_MOVE_REF(symbol_type) sym)

void	yypop_ (int n=1)
	Pop n symbols from the stack. More...

Static Private Member Functions
static bool	yy_pact_value_is_default_ (int yyvalue)

static bool	yy_table_value_is_error_ (int yyvalue)

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

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

Private Attributes
int	yydebug_
	Debugging level. More...

std::ostream *	yycdebug_
	Debug stream. More...

stack_type	yystack_
	The stack. More...

class Aprepro &	aprepro

Static Private Attributes
static const signed char	yypact_ninf_ = -34

static const signed char	yytable_ninf_ = -1

static const short	yypact_ []

static const unsigned char	yydefact_ []

static const signed char	yypgoto_ [] = {-34, -34, -34, -18, 103, 85, -4}

static const short	yydefgoto_ [] = {-1, 1, 6, 27, 28, 68, 169}

static const unsigned short	yytable_ []

static const short	yycheck_ []

static const unsigned char	yystos_ []

static const unsigned char	yyr1_ []

static const unsigned char	yyr2_ []

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

static const unsigned short	yyrline_ []

Detailed Description

A Bison parser.

Member Typedef Documentation

◆ debug_level_type

typedef int SEAMS::Parser::debug_level_type

Type for debugging levels.

◆ stack_type

typedef stack<stack_symbol_type> SEAMS::Parser::stack_type

private

Stack type.

◆ state_type

typedef int SEAMS::Parser::state_type

private

State numbers.

◆ symbol_number_type

typedef int SEAMS::Parser::symbol_number_type

Symbol type: an internal symbol number.

◆ token_number_type

typedef unsigned char SEAMS::Parser::token_number_type

Internal symbol number for tokens (subsumed by symbol_number_type).

◆ token_type

typedef token::yytokentype SEAMS::Parser::token_type

(External) token type, as returned by yylex.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

The symbol type number to denote an empty symbol.

Enumerator
empty_symbol

◆ anonymous enum

anonymous enum

private

Constants.

Enumerator
yyeof_
yylast_	Last index in yytable_.
yynnts_	Number of nonterminal symbols.
yyfinal_	Termination state number.
yyterror_
yyerrcode_
yyntokens_	Number of tokens.

Constructor & Destructor Documentation

◆ Parser() [1/2]

SEAMS::Parser::Parser ( class Aprepro & aprepro_yyarg )

Build a parser object.

◆ ~Parser()

SEAMS::Parser::~Parser ( )

virtual

◆ Parser() [2/2]

SEAMS::Parser::Parser ( const Parser & )

private

This class is not copiable.

Member Function Documentation

◆ debug_level()

Parser::debug_level_type SEAMS::Parser::debug_level ( ) const

The current debugging level.

◆ debug_stream()

std::ostream & SEAMS::Parser::debug_stream ( ) const

The current debugging stream.

◆ error() [1/2]

void SEAMS::Parser::error ( const std::string & msg )

virtual

Report a syntax error.

Parameters

msg	a description of the syntax error.

◆ error() [2/2]

void SEAMS::Parser::error ( const syntax_error & err )

Report a syntax error.

◆ operator()()

int SEAMS::Parser::operator() ( )

Parse. An alias for parse ().

Returns: 0 iff parsing succeeded.

◆ operator=()

Parser& SEAMS::Parser::operator= ( const Parser & )

private

◆ parse()

int SEAMS::Parser::parse ( )

virtual

Parse.

Returns: 0 iff parsing succeeded.

Length of the RHS of the rule being reduced.

The lookahead symbol.

The return value of parse ().

◆ set_debug_level()

void SEAMS::Parser::set_debug_level ( debug_level_type l )

Set the current debugging level.

◆ set_debug_stream()

void SEAMS::Parser::set_debug_stream ( std::ostream & o )

Set the current debugging stream.

◆ yy_destroy_()

template<typename Base >

void SEAMS::Parser::yy_destroy_	(	const char *	yymsg,
		basic_symbol< Base > &	yysym
	)		const

private

Reclaim the memory associated to a symbol.

Parameters

yymsg	Why this token is reclaimed. If null, print nothing.
yysym	The symbol.

◆ yy_lr_goto_state_()

Parser::state_type SEAMS::Parser::yy_lr_goto_state_	(	state_type	yystate,
		int	yysym
	)

private

Compute post-reduction state.

Parameters

yystate	the current state
yysym	the nonterminal to push on the stack

◆ yy_pact_value_is_default_()

bool SEAMS::Parser::yy_pact_value_is_default_ ( int yyvalue )

staticprivate

Whether the given yypact_ value indicates a defaulted state.

Parameters

yyvalue the value to check

◆ yy_print_()

template<typename Base >

void SEAMS::Parser::yy_print_	(	std::ostream &	yyo,
		const basic_symbol< Base > &	yysym
	)		const

private

Display a symbol type, value and location.

Parameters

yyo	The output stream.
yysym	The symbol.

◆ yy_reduce_print_()

void SEAMS::Parser::yy_reduce_print_ ( int r )

privatevirtual

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

◆ yy_table_value_is_error_()

bool SEAMS::Parser::yy_table_value_is_error_ ( int yyvalue )

staticprivate

Whether the given yytable_ value indicates a syntax error.

Parameters

yyvalue the value to check

◆ yypop_()

void SEAMS::Parser::yypop_ ( int n = 1 )

private

Pop n symbols from the stack.

◆ yypush_() [1/2]

void SEAMS::Parser::yypush_	(	const char *	m,
		state_type	s,
		YY_MOVE_REF(symbol_type)	sym
	)

private

Push a new look ahead token on the state on the stack.

Parameters

m	a debug message to display if null, no trace is output.
s	the state
sym	the symbol (for its value and location).

Warning: the contents of sym.value is stolen.

◆ yypush_() [2/2]

void SEAMS::Parser::yypush_	(	const char *	m,
		YY_MOVE_REF(stack_symbol_type)	sym
	)

private

Push a new state on the stack.

Parameters

m	a debug message to display if null, no trace is output.
sym	the symbol

Warning: the contents of s.value is stolen.

◆ yystack_print_()

void SEAMS::Parser::yystack_print_ ( )

privatevirtual

Print the state stack on the debug stream.

◆ yysyntax_error_()

std::string SEAMS::Parser::yysyntax_error_	(	state_type	yystate,
		const symbol_type &	yyla
	)		const

privatevirtual

Generate an error message.

Parameters

yystate	the state where the error occurred.
yyla	the lookahead token.

◆ yytnamerr_()

std::string SEAMS::Parser::yytnamerr_ ( const char * n )

staticprivate

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

◆ yytranslate_()

Parser::token_number_type SEAMS::Parser::yytranslate_ ( int t )

staticprivate

Convert a scanner token number t to a symbol number.

Member Data Documentation

◆ aprepro

class Aprepro& SEAMS::Parser::aprepro

private

◆ yycdebug_

std::ostream* SEAMS::Parser::yycdebug_

private

Debug stream.

◆ yycheck_

const short SEAMS::Parser::yycheck_

staticprivate

◆ yydebug_

int SEAMS::Parser::yydebug_

private

Debugging level.

◆ yydefact_

const unsigned char SEAMS::Parser::yydefact_

staticprivate

Initial value:

= {
      2,   0,   1,   0,   0,   4,   3,   9,   67,  47,  95,  70,  48,  71,  49,  28, 0,   0,
      0,   0,   0,   8,   0,   0,   0,   0,   0,   131, 0,   0,   0,   0,   0,   0,  0,   0,
      0,   98,  99,  0,   0,   0,   0,   0,   0,   74,  75,  0,   0,   0,   0,   0,  0,   0,
      86,  87,  0,   0,   0,   0,   0,   0,   95,  70,  48,  0,   0,   131, 0,   0,  0,   127,
      41,  126, 12,  68,  96,  72,  84,  69,  97,  73,  85,  0,   0,   0,   7,   0,  0,   0,
      0,   6,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,  0,   0,
      0,   0,   0,   0,   0,   0,   39,  50,  100, 101, 102, 103, 104, 105, 37,  52, 76,  79,
      80,  81,  82,  83,  36,  51,  77,  55,  88,  90,  91,  92,  93,  94,  54,  89, 0,   38,
      53,  78,  106, 0,   0,   0,   57,  0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   126,
      21,  129, 0,   130, 0,   0,   19,  0,   20,  40,  0,   42,  44,  46,  43,  22, 23,  24,
      25,  26,  27,  60,  17,  18,  10,  11,  13,  14,  15,  16,  121, 122, 124, 45, 123, 125,
      128, 0,   133, 109, 0,   108, 0,   107, 59,  0,   56,  0,   58,  35,  0,   29, 0,   34,
      100, 76,  77,  78,  123, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
      0,   66,  132, 134, 135, 0,   112, 110, 111, 0,   114, 0,   0,   65,  0,   61, 31,  30,
      0,   33,  0,   0,   0,   0,   0,   0,   0,   0,   136, 113, 116, 0,   115, 0,  64,  0,
      63,  32,  0,   0,   0,   0,   118, 117, 0,   0,   0,   0,   119, 0,   62,  0,  120}

◆ yydefgoto_

const short SEAMS::Parser::yydefgoto_ = {-1, 1, 6, 27, 28, 68, 169}

staticprivate

◆ yypact_

const short SEAMS::Parser::yypact_

staticprivate

Initial value:

= {
      -34,  2,    -34, -3,   305,  -34,  -34,  -34,  -34,  -34,  -13,  68,   4,    312,  28,   47,
      53,   62,   67,  421,  421,  -34,  421,  376,  421,  55,   181,  50,   -16,  39,   1142, 376,
      421,  421,  421, 421,  421,  -34,  -34,  376,  421,  421,  421,  421,  421,  -34,  -34,  376,
      421,  421,  421, 421,  421,  421,  -34,  -34,  421,  421,  376,  221,  361,  376,  616,  646,
      95,   48,   421, 107,  1190, 880,  1094, 82,   -34,  82,   82,   -34,  -34,  -34,  -34,  -34,
      -34,  -34,  -34, 421,  421,  421,  -34,  376,  376,  421,  376,  -34,  421,  421,  421,  421,
      421,  421,  421, -34,  421,  421,  421,  421,  421,  421,  421,  421,  421,  421,  421,  376,
      421,  421,  -33, 1190, 1209, 1225, 1225, 1225, 1225, 1225, -33,  1190, 1209, 1225, 1225, 1225,
      1225, 1225, -33, 1190, 1209, 1190, 1225, 1225, 1225, 1225, 1225, 1225, 1190, 1225, 615,  -33,
      1190, 1209, -34, 72,   240,  645,  -34,  262,  248,  675,  288,  437,  705,  421,  421,  421,
      421,  82,   -34, -34,  421,  -34,  1156, 1176, 97,   1225, -34,  1,    1209, 1,    1241, -34,
      1241, 81,   81,  81,   81,   81,   81,   -34,  1256, 1270, 80,   80,   80,   80,   80,   80,
      161,  161,  82,  -34,  82,   82,   82,   421,  108,  -34,  421,  -34,  421,  -34,  -34,  421,
      -34,  421,  -34, -34,  421,  -34,  421,  -34,  1225, 1225, 1225, 1225, 82,   421,  421,  1119,
      421,  447,  907, 500,  586,  472,  137,  934,  506,  961,  735,  1190, 1225, 109,  1225, 421,
      -34,  -34,  -34, 421,  -34,  421,  421,  -34,  421,  -34,  -34,  -34,  421,  -34,  421,  528,
      988,  765,  824, 534,  478,  1015, 1225, -34,  -34,  421,  -34,  421,  -34,  421,  -34,  -34,
      795,  1042, 407, 421,  -34,  -34,  421,  556,  853,  562,  -34,  421,  -34,  1069, -34}

◆ yypact_ninf_

const signed char SEAMS::Parser::yypact_ninf_ = -34

staticprivate

◆ yypgoto_

const signed char SEAMS::Parser::yypgoto_ = {-34, -34, -34, -18, 103, 85, -4}

staticprivate

◆ yyr1_

const unsigned char SEAMS::Parser::yyr1_

staticprivate

Initial value:

= {
      0,  50, 51, 51, 52, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
      53, 53, 53, 53, 53, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
      54, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 56, 56,
      56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
      56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
      56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56}

◆ yyr2_

const unsigned char SEAMS::Parser::yyr2_

staticprivate

Initial value:

= {
      0, 2, 0, 2, 1, 3,  3,  3,  2,  2, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
      1, 4, 6, 6, 8, 6,  4,  4,  3,  3, 3, 3, 3, 2, 3, 3, 3, 3, 3, 1, 1, 1, 3, 3, 3, 3, 3, 3,
      4, 3, 4, 4, 3, 6,  12, 8,  8,  6, 5, 1, 2, 2, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
      2, 2, 2, 2, 3, 3,  3,  3,  3,  3, 3, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 6, 6,
      6, 8, 6, 8, 8, 10, 10, 12, 14, 3, 3, 3, 3, 3, 2, 2, 3, 3, 3, 1, 5, 4, 6, 6, 8}

◆ yyrline_

const unsigned short SEAMS::Parser::yyrline_

staticprivate

Initial value:

= {
      0,   145, 145, 146, 149, 150, 157, 161, 162, 163, 166, 167, 168, 169, 170, 171, 172, 173,
      174, 175, 176, 177, 180, 181, 182, 183, 184, 185, 187, 188, 194, 200, 206, 212, 218, 224,
      230, 234, 238, 241, 243, 251, 253, 261, 262, 263, 264, 273, 274, 275, 276, 278, 281, 285,
      290, 291, 292, 298, 304, 310, 316, 317, 323, 329, 335, 341, 347, 349, 350, 351, 352, 353,
      354, 355, 356, 357, 358, 360, 363, 368, 369, 370, 371, 372, 377, 378, 379, 380, 381, 382,
      383, 384, 385, 386, 387, 389, 391, 394, 397, 400, 403, 405, 408, 411, 414, 417, 424, 431,
      438, 445, 452, 459, 466, 473, 480, 486, 492, 498, 504, 510, 516, 522, 523, 524, 525, 532,
      539, 540, 541, 544, 545, 548, 549, 550, 551, 552, 574}

◆ yystack_

stack_type SEAMS::Parser::yystack_

private

The stack.

◆ yystos_

const unsigned char SEAMS::Parser::yystos_

staticprivate

Initial value:

= {
      0,  51, 0,  1,  19, 49, 52, 20, 3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 15, 17, 20, 38,
      39, 44, 46, 47, 53, 54, 55, 56, 22, 23, 24, 25, 26, 27, 46, 47, 22, 23, 24, 25, 26, 27, 46,
      47, 22, 22, 23, 24, 25, 26, 27, 46, 47, 22, 17, 22, 15, 15, 15, 5,  6,  7,  10, 39, 53, 55,
      56, 56, 56, 54, 56, 56, 3,  5,  6,  8,  3,  5,  6,  8,  28, 30, 31, 20, 38, 39, 40, 41, 20,
      32, 33, 34, 35, 36, 37, 48, 20, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 45, 54,
      55, 56, 56, 56, 56, 56, 56, 54, 55, 56, 56, 56, 56, 56, 56, 54, 55, 56, 55, 56, 56, 56, 56,
      56, 56, 55, 56, 56, 54, 55, 56, 16, 54, 55, 56, 16, 54, 55, 56, 54, 55, 56, 22, 22, 22, 22,
      56, 16, 16, 41, 18, 55, 56, 53, 56, 53, 54, 56, 54, 56, 54, 56, 55, 55, 55, 55, 55, 55, 55,
      56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 54, 56, 56, 56, 14, 18, 16, 14, 16, 14, 16, 16,
      14, 16, 14, 16, 16, 14, 16, 14, 16, 56, 56, 56, 56, 56, 29, 29, 56, 22, 55, 56, 55, 56, 55,
      55, 56, 55, 56, 56, 55, 56, 18, 56, 14, 16, 16, 16, 14, 16, 21, 14, 16, 14, 16, 16, 16, 14,
      16, 22, 55, 56, 56, 56, 55, 55, 56, 56, 16, 16, 14, 16, 14, 16, 14, 16, 16, 56, 56, 55, 14,
      16, 16, 14, 55, 56, 55, 16, 14, 16, 56, 16}

◆ yytable_

const unsigned short SEAMS::Parser::yytable_

staticprivate

◆ yytable_ninf_

const signed char SEAMS::Parser::yytable_ninf_ = -1

staticprivate

◆ yytname_

const char *const SEAMS::Parser::yytname_

staticprivate

For a symbol, its name in clear.

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

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

◆ debug_level_type

◆ stack_type

◆ state_type

◆ symbol_number_type

◆ token_number_type

◆ token_type

Member Enumeration Documentation

◆ anonymous enum

◆ anonymous enum

Constructor & Destructor Documentation

◆ Parser() [1/2]

◆ ~Parser()

◆ Parser() [2/2]

Member Function Documentation

◆ debug_level()

◆ debug_stream()

◆ error() [1/2]

◆ error() [2/2]

◆ operator()()

◆ operator=()

◆ parse()

◆ set_debug_level()

◆ set_debug_stream()

◆ yy_destroy_()

◆ yy_lr_goto_state_()

◆ yy_pact_value_is_default_()

◆ yy_print_()

◆ yy_reduce_print_()

◆ yy_table_value_is_error_()

◆ yypop_()

◆ yypush_() [1/2]

◆ yypush_() [2/2]

◆ yystack_print_()

◆ yysyntax_error_()

◆ yytnamerr_()

◆ yytranslate_()

Member Data Documentation

◆ aprepro

◆ yycdebug_

◆ yycheck_

◆ yydebug_

◆ yydefact_

◆ yydefgoto_

◆ yypact_

◆ yypact_ninf_

◆ yypgoto_

◆ yyr1_

◆ yyr2_

◆ yyrline_

◆ yystack_

◆ yystos_

◆ yytable_

◆ yytable_ninf_

◆ yytname_