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Vcsn
2.4
Be Rational
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A Bison parser. More...
#include <parse.hh>
Classes | |
struct | basic_symbol |
A complete symbol. More... | |
struct | by_state |
Type access provider for state based symbols. More... | |
struct | by_type |
Type access provider for token (enum) based symbols. More... | |
struct | stack_symbol_type |
"Internal" symbol: element of the stack. More... | |
struct | syntax_error |
Syntax errors thrown from user actions. More... | |
struct | token |
Tokens. More... | |
union | union_type |
An auxiliary type to compute the largest semantic type. More... | |
Public Types | |
typedef variant< sizeof(union_type)> | semantic_type |
Symbol semantic values. More... | |
typedef location | location_type |
Symbol locations. More... | |
typedef token::yytokentype | token_type |
(External) token type, as returned by yylex. More... | |
typedef int | symbol_number_type |
Internal symbol number. More... | |
typedef unsigned char | token_number_type |
Internal symbol number for tokens (subsumed by symbol_number_type). More... | |
typedef basic_symbol< by_type > | symbol_type |
"External" symbols: returned by the scanner. More... | |
typedef int | debug_level_type |
Type for debugging levels. More... | |
Public Member Functions | |
parser (driver &driver__yyarg) | |
Build a parser object. More... | |
virtual | ~parser () |
virtual int | parse () |
Parse. More... | |
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... | |
virtual void | error (const location_type &loc, const std::string &msg) |
Report a syntax error. More... | |
void | error (const syntax_error &err) |
Report a syntax error. More... | |
Private Types | |
enum | { yyeof_ = 0, yylast_ = 221, yynnts_ = 11, yyempty_ = -2, yyfinal_ = 5, yyterror_ = 1, yyerrcode_ = 256, yyntokens_ = 33 } |
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 copyable. More... | |
parser & | operator= (const parser &) |
virtual std::string | yysyntax_error_ (state_type yystate, symbol_number_type yytoken) const |
Generate an error message. More... | |
state_type | yy_lr_goto_state_ (state_type yystate, int yysym) |
Compute post-reduction state. 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... | |
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, stack_symbol_type &s) |
Push a new state on the stack. More... | |
void | yypush_ (const char *m, state_type s, symbol_type &sym) |
Push a new look ahead token on the state on the stack. 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) |
Whether the given yypact_ value indicates a defaulted state. More... | |
static bool | yy_table_value_is_error_ (int yyvalue) |
Whether the given yytable_ value indicates a syntax error. More... | |
static token_number_type | yytranslate_ (token_type 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_ |
std::ostream * | yycdebug_ |
stack_type | yystack_ |
The stack. More... | |
driver & | driver_ |
Static Private Attributes | |
static const signed char | yypact_ninf_ = -26 |
static const signed char | yytable_ninf_ = -1 |
static const short int | yypact_ [] |
static const unsigned char | yydefact_ [] |
static const signed char | yypgoto_ [] |
static const signed char | yydefgoto_ [] |
static const unsigned char | yytable_ [] |
static const signed char | 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 int | yyrline_ [] |
typedef int vcsn::rat::parser::debug_level_type |
typedef variant<sizeof(union_type)> vcsn::rat::parser::semantic_type |
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private |
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private |
typedef int vcsn::rat::parser::symbol_number_type |
typedef unsigned char vcsn::rat::parser::token_number_type |
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vcsn::rat::parser::parser | ( | driver & | driver__yyarg | ) |
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private |
This class is not copyable.
debug_level_type vcsn::rat::parser::debug_level | ( | ) | const |
The current debugging level.
std::ostream& vcsn::rat::parser::debug_stream | ( | ) | const |
The current debugging stream.
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virtual |
void vcsn::rat::parser::error | ( | const syntax_error & | err | ) |
Report a syntax error.
Definition at line 1176 of file parse.cc.
References error(), and vcsn::rat::parser::syntax_error::location.
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inlinestatic |
Definition at line 1172 of file parse.hh.
References vcsn::rat::parser::token::AMPERSAND.
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inlinestatic |
Definition at line 1178 of file parse.hh.
References vcsn::rat::parser::token::AMPERSAND_COLON.
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inlinestatic |
Definition at line 1184 of file parse.hh.
References vcsn::rat::parser::token::AT.
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inlinestatic |
Definition at line 1190 of file parse.hh.
References vcsn::rat::parser::token::BACKSLASH.
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inlinestatic |
Definition at line 1196 of file parse.hh.
References vcsn::rat::parser::token::BANG.
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inlinestatic |
Definition at line 1202 of file parse.hh.
References vcsn::rat::parser::token::CARET.
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inlinestatic |
Definition at line 1208 of file parse.hh.
References vcsn::rat::parser::token::COLON.
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inlinestatic |
Definition at line 1214 of file parse.hh.
References vcsn::rat::parser::token::COMMA.
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inlinestatic |
Definition at line 1220 of file parse.hh.
References vcsn::rat::parser::token::COMPLEMENT.
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inlinestatic |
Definition at line 1334 of file parse.hh.
References vcsn::rat::parser::token::CONCAT.
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inlinestatic |
Definition at line 1226 of file parse.hh.
References vcsn::rat::parser::token::DASH.
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inlinestatic |
Definition at line 1232 of file parse.hh.
References vcsn::rat::parser::token::DOT.
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inlinestatic |
Definition at line 1166 of file parse.hh.
References vcsn::rat::parser::token::END.
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inlinestatic |
Definition at line 1238 of file parse.hh.
References vcsn::rat::parser::token::LBRACKET.
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inlinestatic |
Definition at line 1322 of file parse.hh.
References vcsn::rat::parser::token::LETTER.
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inlinestatic |
Definition at line 1244 of file parse.hh.
References vcsn::rat::parser::token::LPAREN.
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inlinestatic |
Definition at line 1250 of file parse.hh.
References vcsn::rat::parser::token::LT_PLUS.
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inlinestatic |
Definition at line 1346 of file parse.hh.
References vcsn::rat::parser::token::LWEIGHT.
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inlinestatic |
Definition at line 1256 of file parse.hh.
References vcsn::rat::parser::token::ONE.
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inlinestatic |
Definition at line 1262 of file parse.hh.
References vcsn::rat::parser::token::PERCENT.
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inlinestatic |
Definition at line 1268 of file parse.hh.
References vcsn::rat::parser::token::PIPE.
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inlinestatic |
Definition at line 1274 of file parse.hh.
References vcsn::rat::parser::token::PLUS.
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inlinestatic |
Definition at line 1280 of file parse.hh.
References vcsn::rat::parser::token::RBRACKET.
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inlinestatic |
Definition at line 1286 of file parse.hh.
References vcsn::rat::parser::token::RPAREN.
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inlinestatic |
Definition at line 1340 of file parse.hh.
References vcsn::rat::parser::token::RWEIGHT.
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inlinestatic |
Definition at line 1292 of file parse.hh.
References vcsn::rat::parser::token::SLASH.
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inlinestatic |
Definition at line 1316 of file parse.hh.
References vcsn::rat::parser::token::STAR.
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inlinestatic |
Definition at line 1304 of file parse.hh.
References vcsn::rat::parser::token::TRANSPOSE.
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inlinestatic |
Definition at line 1298 of file parse.hh.
References vcsn::rat::parser::token::TRANSPOSITION.
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inlinestatic |
Definition at line 1328 of file parse.hh.
References vcsn::rat::parser::token::WEIGHT.
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inlinestatic |
Definition at line 1310 of file parse.hh.
References vcsn::rat::parser::token::ZERO.
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virtual |
Parse.
Whether yyla contains a lookahead.
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 567 of file parse.cc.
References vcsn::rat::add, vcsn::dyn::value_impl< Tag >::as(), vcsn::rat::variant< S >::as(), vcsn::detail::back(), vcsn::rat::variant< S >::build(), vcsn::rat::stack< T, S >::clear(), vcsn::rat::complement, vcsn::rat::compose, vcsn::dyn::concatenate(), vcsn::rat::conjunction, vcsn::dyn::context_of(), vcsn::rat::ctx(), vcsn::rat::driver::ctx_, driver_, error(), vcsn::rat::braced_expression::exp, vcsn::dyn::expression_one(), vcsn::dyn::expression_zero(), vcsn::rat::ids(), vcsn::rat::infiltrate, vcsn::rat::ldivide, vcsn::rat::location::location(), vcsn::rat::parser::basic_symbol< Base >::location, vcsn::rat::driver::location_, vcsn::rat::braced_expression::lparen, vcsn::rat::lweight, vcsn::rat::driver::make_atom(), vcsn::rat::driver::make_expression(), vcsn::rat::driver::make_weight(), vcsn::rat::parser::basic_symbol< Base >::move(), vcsn::dyn::multiply(), vcsn::dyn::num_tapes(), vcsn::rat::prefer(), vcsn::dyn::rdivide(), vcsn::rat::driver::result_, vcsn::rat::braced_expression::rparen, vcsn::rat::rweight, vcsn::rat::driver::scanner_, vcsn::rat::shuffle, vcsn::rat::stack< T, S >::size(), vcsn::rat::parser::by_state::state, vcsn::rat::driver::tape_ctx_, vcsn::rat::driver::tape_inc(), vcsn::rat::driver::tape_pop(), vcsn::rat::driver::tape_push(), vcsn::rat::to_string(), vcsn::dyn::transpose(), vcsn::rat::transposition, TRY, vcsn::dyn::tuple(), vcsn::rat::parser::basic_symbol< Base >::value, yy_destroy_(), yy_lr_goto_state_(), YY_NULLPTR, yy_pact_value_is_default_(), YY_REDUCE_PRINT, YY_STACK_PRINT, YY_SYMBOL_PRINT, yy_table_value_is_error_(), YYABORT, YYACCEPT, YYCDEBUG, yycheck_, yydefact_, yyempty_, yyeof_, YYERROR, yyfinal_, yylast_, vcsn::rat::yylex(), YYLLOC_DEFAULT, yypact_, yypop_(), yypush_(), yyr1_, yyr2_, yystack_, yysyntax_error_(), yytable_, and yyterror_.
Referenced by vcsn::rat::driver::parse().
void vcsn::rat::parser::set_debug_level | ( | debug_level_type | l | ) |
Set the current debugging level.
Referenced by vcsn::rat::driver::parse().
void vcsn::rat::parser::set_debug_stream | ( | std::ostream & | ) |
Set the current debugging stream.
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inlineprivate |
Reclaim the memory associated to a symbol.
yymsg | Why this token is reclaimed. If null, print nothing. |
yysym | The symbol. |
Definition at line 374 of file parse.cc.
References YY_SYMBOL_PRINT.
Referenced by parse().
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inlineprivate |
Compute post-reduction state.
yystate | the current state |
yysym | the nonterminal to push on the stack |
Definition at line 545 of file parse.cc.
References yycheck_, yydefgoto_, yylast_, yyntokens_, yypgoto_, and yytable_.
Referenced by parse().
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inlinestaticprivate |
Whether the given yypact_
value indicates a defaulted state.
yyvalue | the value to check |
Definition at line 555 of file parse.cc.
References yypact_ninf_.
Referenced by parse(), and yysyntax_error_().
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private |
Display a symbol type, value and location.
yyo | The output stream. |
yysym | The symbol. |
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privatevirtual |
Report on the debug stream that the rule r is going to be reduced.
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inlinestaticprivate |
Whether the given yytable_
value indicates a syntax error.
yyvalue | the value to check |
Definition at line 561 of file parse.cc.
References yytable_ninf_.
Referenced by parse(), and yysyntax_error_().
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inlineprivate |
Pop n symbols the three stacks.
Definition at line 512 of file parse.cc.
References vcsn::rat::stack< T, S >::pop(), and yystack_.
Referenced by parse().
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inlineprivate |
Push a new state on the stack.
m | a debug message to display if null, no trace is output. |
s | the symbol |
Definition at line 503 of file parse.cc.
References vcsn::rat::stack< T, S >::push(), YY_SYMBOL_PRINT, and yystack_.
Referenced by parse(), and yypush_().
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inlineprivate |
Push a new look ahead token on the state on the stack.
m | a debug message to display if null, no trace is output. |
s | the state |
sym | the symbol (for its value and location). |
Definition at line 495 of file parse.cc.
References yypush_().
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privatevirtual |
Print the state stack on the debug stream.
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privatevirtual |
Generate an error message.
yystate | the state where the error occurred. |
yytoken | the lookahead token type, or yyempty_. |
Definition at line 1183 of file parse.cc.
References YY_, YY_NULLPTR, yy_pact_value_is_default_(), yy_table_value_is_error_(), YYCASE_, yycheck_, yyempty_, yylast_, yyntokens_, yypact_, yytable_, yyterror_, yytname_, and yytnamerr_().
Referenced by parse().
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staticprivate |
Convert the symbol name n to a form suitable for a diagnostic.
Definition at line 197 of file parse.cc.
Referenced by yysyntax_error_().
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inlinestaticprivate |
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staticprivate |
Definition at line 692 of file parse.hh.
Referenced by parse(), yy_lr_goto_state_(), and yysyntax_error_().
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staticprivate |
Definition at line 685 of file parse.hh.
Referenced by yy_lr_goto_state_().
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staticprivate |
Definition at line 674 of file parse.hh.
Referenced by parse(), and yysyntax_error_().
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staticprivate |
Definition at line 665 of file parse.hh.
Referenced by yy_pact_value_is_default_().
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staticprivate |
Definition at line 682 of file parse.hh.
Referenced by yy_lr_goto_state_().
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staticprivate |
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staticprivate |
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staticprivate |
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staticprivate |
Definition at line 696 of file parse.hh.
Referenced by vcsn::rat::parser::by_state::type_get().
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staticprivate |
Definition at line 690 of file parse.hh.
Referenced by parse(), yy_lr_goto_state_(), and yysyntax_error_().
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staticprivate |
Definition at line 666 of file parse.hh.
Referenced by yy_table_value_is_error_().
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staticprivate |
For a symbol, its name in clear.
Definition at line 710 of file parse.hh.
Referenced by yysyntax_error_().