X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/7dedf26e55f2322cb4f8e0aefee51ad0f64af551..2935744b3a563ff41d9cc7e6c21ffb4e86767717:/data/lalr1.cc diff --git a/data/lalr1.cc b/data/lalr1.cc index 7195c28d..6a67c5b8 100644 --- a/data/lalr1.cc +++ b/data/lalr1.cc @@ -18,6 +18,17 @@ m4_include(b4_pkgdatadir/[c++.m4]) +# b4_table_define(TABLE-NAME, CONTENT) +# ------------------------------------ +# Define "parser::yy_" which contents is CONTENT. +m4_define([b4_table_define], +[const b4_int_type_for([$2]) + b4_parser_class_name::yy$1_[[]] = + { + $2 + }dnl +]) + # How the semantic value is extracted when using variants. b4_variant_if([ # b4_symbol_value(VAL, [TYPE]) @@ -29,6 +40,27 @@ b4_variant_if([ ]) # b4_variant_if +# b4_assert_if([IF-ASSERTIONS-ARE-USED], [IF-NOT]) +# ---------------------------------------------------- +m4_define([b4_assert_if], +[b4_percent_define_ifdef([[assert]], [$1], [$2])]) + + +# b4_rhs_value(RULE-LENGTH, NUM, [TYPE]) +# -------------------------------------- +# Expansion of $NUM, where the current rule has RULE-LENGTH +# symbols on RHS. +m4_define([b4_rhs_value], + [b4_symbol_value([yystack_@{($1) - ($2)@}.value], [$3])]) + +# b4_rhs_location(RULE-LENGTH, NUM) +# --------------------------------- +# Expansion of @NUM, where the current rule has RULE-LENGTH symbols +# on RHS. +m4_define([b4_rhs_location], +[yystack_@{($1) - ($2)@}.location]) + + # b4_symbol_actions(FILENAME, LINENO, # SYMBOL-TAG, SYMBOL-NUM, # SYMBOL-ACTION, SYMBOL-TYPENAME) @@ -59,13 +91,13 @@ m4_define([b4_symbol_action_], ])]) -# b4_symbol_variant(YYTYPE, YYVAL, ACTION) -# ---------------------------------------- +# b4_symbol_variant(YYTYPE, YYVAL, ACTION, [ARGS]) +# ------------------------------------------------ # Run some ACTION ("build", or "destroy") on YYVAL of symbol type # YYTYPE. m4_define([b4_symbol_variant], [m4_pushdef([b4_dollar_dollar], - [$2.$3<$][3>()])dnl + [$2.$3<$][3>(m4_shift3($@))])dnl switch ($1) { m4_map([b4_symbol_action_], m4_defn([b4_type_names])) @@ -106,6 +138,9 @@ m4_define([b4_char_sizeof], ]) +m4_pushdef([b4_copyright_years], + [2002, 2003, 2004, 2005, 2006, 2007, 2008]) + m4_define([b4_parser_class_name], [b4_percent_define_get([[parser_class_name]])]) @@ -121,9 +156,8 @@ m4_include(b4_pkgdatadir/[location.cc]) m4_changecom() m4_divert_push(0)dnl b4_defines_if( -[@output(b4_spec_defines_file@) -b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++], - [2002, 2003, 2004, 2005, 2006, 2007, 2008]) +[@output(b4_spec_defines_file@)@ +b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++]) dnl FIXME: This is wrong, we want computed header guards. [ /* C++ LALR(1) parser skeleton written by Akim Demaille. */ @@ -133,6 +167,7 @@ dnl FIXME: This is wrong, we want computed header guards. ]b4_percent_code_get([[requires]])[ +]b4_assert_if([#include ])[ #include #include #include "stack.hh" @@ -140,7 +175,8 @@ dnl FIXME: This is wrong, we want computed header guards. ]b4_namespace_open[ class position; class location; -]b4_variant_if([[ +]b4_variant_if( +[[ /// A char[S] buffer to store and retrieve objects. /// /// Sort of a variant, but does not keep track of the nature @@ -148,28 +184,31 @@ dnl FIXME: This is wrong, we want computed header guards. /// via the current state. template struct variant - { + {]b4_assert_if([ + /// Whether something is contained. + bool built; + + /// Initially uninitialized. + variant () + : built(false) + {}])[ + /// Instantiate a \a T in here. template - inline void + inline T& build() - { - new (buffer) T; - } - - /// Destroy the stored \a T. - template - inline void - destroy() - { - reinterpret_cast(buffer).~T(); + {]b4_assert_if([ + assert(!built); + built = true;])[ + return *new (buffer) T; } /// Accessor to a built \a T. template inline T& as() - { + {]b4_assert_if([ + assert(built);])[ return reinterpret_cast(buffer); } @@ -177,10 +216,39 @@ dnl FIXME: This is wrong, we want computed header guards. template inline const T& as() const - { + {]b4_assert_if([ + assert(built);])[ return reinterpret_cast(buffer); } + /// Swap the content with \a other. + template + inline void + swap(variant& other) + { + std::swap(as(), other.as()); + } + + /// Assign the content of \a other to this. + /// Destroys \a other. + template + inline void + build(variant& other) + { + build(); + swap(other); + other.destroy(); + } + + /// Destroy the stored \a T. + template + inline void + destroy() + { + as().~T();]b4_assert_if([ + built = false;])[ + } + /// A buffer large enough to store any of the semantic values. char buffer[S]; }; @@ -212,17 +280,17 @@ dnl FIXME: This is wrong, we want computed header guards. the previous symbol: RHS[0] (always defined). */ #ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ -do { \ - if (N) \ - { \ - (Current).begin = (Rhs)[1].begin; \ - (Current).end = (Rhs)[N].end; \ - } \ - else \ - { \ - (Current).begin = (Current).end = (Rhs)[0].end; \ - } \ +# define YYLLOC_DEFAULT(Current, Rhs, N) \ +do { \ + if (N) \ + { \ + (Current).begin = (Rhs)[1].location.begin; \ + (Current).end = (Rhs)[N].location.end; \ + } \ + else \ + { \ + (Current).begin = (Current).end = (Rhs)[0].location.end; \ + } \ } while (false) #endif @@ -293,8 +361,7 @@ m4_ifdef([b4_stype], /// Generate an error message. /// \param state the state where the error occurred. /// \param tok the lookahead token. - virtual std::string yysyntax_error_ (int yystate]dnl -b4_error_verbose_if([, int tok])[); + virtual std::string yysyntax_error_ (int yystate, int tok); #if YYDEBUG /// \brief Report a symbol value on the debug stream. @@ -313,22 +380,8 @@ b4_error_verbose_if([, int tok])[); const location_type& yylocation); #endif - /// State numbers. typedef int state_type; - /// State stack type. - typedef stack state_stack_type; - /// Semantic value stack type. - typedef stack semantic_stack_type; - /// location stack type. - typedef stack location_stack_type; - - /// The state stack. - state_stack_type yystate_stack_; - /// The semantic value stack. - semantic_stack_type yysemantic_stack_; - /// The location stack. - location_stack_type yylocation_stack_; /// Internal symbol numbers. typedef ]b4_int_type_for([b4_translate])[ token_number_type; @@ -374,10 +427,8 @@ b4_error_verbose_if([, int tok])[); #endif #if YYDEBUG - /// A type to store symbol numbers and -1. - typedef ]b4_int_type_for([b4_rhs])[ rhs_number_type; /// A `-1'-separated list of the rules' RHS. - static const rhs_number_type yyrhs_[]; + static const ]b4_int_type_for([b4_rhs])[ yyrhs_[]; /// For each rule, the index of the first RHS symbol in \a yyrhs_. static const ]b4_int_type_for([b4_prhs])[ yyprhs_[]; /// For each rule, its source line number. @@ -399,6 +450,7 @@ b4_error_verbose_if([, int tok])[); /// \brief Reclaim the memory associated to a symbol. /// \param yymsg Why this token is reclaimed. + /// If null, nothing is printed at all. /// \param yytype The symbol type. /// \param yyvalue Its semantic value. /// \param yylocation Its location. @@ -407,9 +459,39 @@ b4_error_verbose_if([, int tok])[); semantic_type& yyvalue, location_type& yylocation); + /// Element of the stack: a state and its attributes. + struct data_type + { + /// Default constructor. + data_type (); + + /// Constructor. + data_type (state_type s, const semantic_type& v, const location_type& l); + + /// The state. + state_type state; + + /// The semantic value. + semantic_type value; + + /// The location. + location_type location; + }; + + /// Stack type. + typedef stack stack_type; + + /// The stack. + stack_type yystack_; + /// Push a new state on the stack. + /// \param m a debug message to display + /// if null, no trace is output. + /// \param s the state entered + /// \param v semantic value + /// \param l location /// \warning the contents of \a v is stolen. - inline void yypush_ (state_type s, + inline void yypush_ (const char* m, state_type s, semantic_type& v, const location_type& l); /// Pop \a n symbols the three stacks. @@ -443,9 +525,8 @@ b4_percent_code_get([[provides]])[]dnl [#endif /* ! defined PARSER_HEADER_H */] ])dnl -@output(b4_parser_file_name@) -b4_copyright([Skeleton implementation for Bison LALR(1) parsers in C++], - [2002, 2003, 2004, 2005, 2006, 2007, 2008]) +@output(b4_parser_file_name@)@ +b4_copyright([Skeleton implementation for Bison LALR(1) parsers in C++]) b4_percent_code_get([[top]])[]dnl m4_if(b4_prefix, [yy], [], [ @@ -484,33 +565,33 @@ b4_percent_code_get[]dnl # define YYCDEBUG if (yydebug_) (*yycdebug_) # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ -do { \ - if (yydebug_) \ + do { \ + if (yydebug_) \ { \ *yycdebug_ << Title << ' '; \ yy_symbol_print_ ((Type), (Value), (Location)); \ *yycdebug_ << std::endl; \ } \ -} while (false) + } while (false) # define YY_REDUCE_PRINT(Rule) \ -do { \ - if (yydebug_) \ - yy_reduce_print_ (Rule); \ -} while (false) + do { \ + if (yydebug_) \ + yy_reduce_print_ (Rule); \ + } while (false) # define YY_STACK_PRINT() \ -do { \ - if (yydebug_) \ - yystack_print_ (); \ -} while (false) + do { \ + if (yydebug_) \ + yystack_print_ (); \ + } while (false) #else /* !YYDEBUG */ # define YYCDEBUG if (false) std::cerr -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) -# define YY_REDUCE_PRINT(Rule) -# define YY_STACK_PRINT() +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) static_cast(0) +# define YY_REDUCE_PRINT(Rule) static_cast(0) +# define YY_STACK_PRINT() static_cast(0) #endif /* !YYDEBUG */ @@ -618,31 +699,52 @@ do { \ YYUSE (yyvalue); YYUSE (yylocation); - YY_SYMBOL_PRINT (yymsg, yytype, yyvalue, yylocation); + if (yymsg) + YY_SYMBOL_PRINT (yymsg, yytype, yyvalue, yylocation); + // User destructor. switch (yytype) { ]m4_map([b4_symbol_actions], m4_defn([b4_symbol_destructors]))[ default: break; - } + }]b4_variant_if([ + + // Type destructor. + b4_symbol_variant([[yytype]], [[yyvalue]], [[destroy]])])[ + } + + ]b4_parser_class_name[::data_type::data_type () + : state() + , value() + , location() + { + } + + ]b4_parser_class_name[::data_type::data_type (state_type s, + const semantic_type& v, const location_type& l) + : state(s) + , value(v) + , location(l) + { } void - ]b4_parser_class_name[::yypush_ (state_type s, + ]b4_parser_class_name[::yypush_ (const char* m, state_type s, semantic_type& v, const location_type& l) { - yystate_stack_.push (s); - yysemantic_stack_.push (v); - yylocation_stack_.push (l); + if (m) + YY_SYMBOL_PRINT (m, yystos_[s], v, l); +]b4_variant_if( +[[ yystack_.push (data_type (s, semantic_type(), l)); + ]b4_symbol_variant([[yystos_[s]]], [[yystack_[0].value]], [build], [v])], +[ yystack_.push (data_type (s, v, l));])[ } void ]b4_parser_class_name[::yypop_ (unsigned int n) { - yystate_stack_.pop (n); - yysemantic_stack_.pop (n); - yylocation_stack_.pop (n); + yystack_.pop (n); } #if YYDEBUG @@ -693,7 +795,7 @@ do { \ /// Location of the lookahead. location_type yylloc; /// The locations where the error started and ended. - location_type yyerror_range[2]; + data_type yyerror_range[2]; /// $$. semantic_type yyval; @@ -712,14 +814,12 @@ m4_pushdef([b4_dollar_dollar], [yylval])dnl m4_popdef([b4_dollar_dollar])dnl m4_popdef([b4_at_dollar])])dnl - [ /* Initialize the stacks. The initial state will be pushed in + [ /* Initialize the stack. The initial state will be set in yynewstate, since the latter expects the semantical and the location values to have been already stored, initialize these stacks with a primary value. */ - yystate_stack_ = state_stack_type (0); - yysemantic_stack_ = semantic_stack_type (0); - yylocation_stack_ = location_stack_type (0); - yypush_ (yystate, yylval, yylloc); + yystack_ = stack_type (0); + yypush_ (0, yystate, yylval, yylloc); // A new state was pushed on the stack. // Invariant: yystate == yystack_[0].state, i.e., @@ -780,9 +880,6 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param))[; goto yyreduce; } - /* Shift the lookahead token. */ - YY_SYMBOL_PRINT ("Shifting", yytoken, yylval, yylloc); - /* Discard the token being shifted. */ yychar = yyempty_; @@ -791,8 +888,9 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param))[; if (yyerrstatus_) --yyerrstatus_; + /* Shift the lookahead token. */ yystate = yyn; - yypush_ (yystate, yylval, yylloc); + yypush_ ("Shifting", yystate, yylval, yylloc); goto yynewstate; /*-----------------------------------------------------------. @@ -820,14 +918,17 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param))[; This behavior is undocumented and Bison users should not rely upon it. */ if (yylen) - yyval = yysemantic_stack_@{yylen - 1@}; + yyval = yystack_@{yylen - 1@}.value; else - yyval = yysemantic_stack_@{0@};])[ + yyval = yystack_@{0@}.value;])[ + // Compute the default @@$. { - slice slice (yylocation_stack_, yylen); + slice slice (yystack_, yylen); YYLLOC_DEFAULT (yyloc, slice, yylen); } + + // Perform the reduction. YY_REDUCE_PRINT (yyn); switch (yyn) { @@ -836,6 +937,20 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param))[; break; } YY_SYMBOL_PRINT ("-> $$ =", yyr1_[yyn], yyval, yyloc); +]b4_variant_if([[ + // Destroy the lhs symbols. + for (int i = 0; i < yylen; ++i) + // Destroy a variant which value may have be swapped with yyval. + // The value of yyval (hence maybe one of these lhs symbols) + // depends on what does the default contruction for this type. + // In the case of pointers for instance, nothing is done, so the + // value is junk. Therefore do not try to report the content in + // the debug trace, it's junk. Hence yymsg = 0. Besides, that + // keeps exactly the same traces as with the other Bison + // skeletons. + yydestruct_ (0, + yystos_[yystack_[i].state], + yystack_[i].value, yystack_[i].location);]])[ yypop_ (yylen); yylen = 0; @@ -843,13 +958,13 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param))[; /* Shift the result of the reduction. */ yyn = yyr1_[yyn]; - yystate = yypgoto_[yyn - yyntokens_] + yystate_stack_[0]; + yystate = yypgoto_[yyn - yyntokens_] + yystack_[0].state; if (0 <= yystate && yystate <= yylast_ - && yycheck_[yystate] == yystate_stack_[0]) + && yycheck_[yystate] == yystack_[0].state) yystate = yytable_[yystate]; else yystate = yydefgoto_[yyn - yyntokens_]; - yypush_ (yystate, yyval, yyloc); + yypush_ (0, yystate, yyval, yyloc); goto yynewstate; /*------------------------------------. @@ -860,11 +975,10 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param))[; if (!yyerrstatus_) { ++yynerrs_; - error (yylloc, yysyntax_error_ (yystate]dnl -b4_error_verbose_if([, yytoken])[)); + error (yylloc, yysyntax_error_ (yystate, yytoken)); } - yyerror_range[0] = yylloc; + yyerror_range[0].location = yylloc; if (yyerrstatus_ == 3) { /* If just tried and failed to reuse lookahead token after an @@ -872,9 +986,9 @@ b4_error_verbose_if([, yytoken])[)); if (yychar <= yyeof_) { - /* Return failure if at end of input. */ - if (yychar == yyeof_) - YYABORT; + /* Return failure if at end of input. */ + if (yychar == yyeof_) + YYABORT; } else { @@ -899,12 +1013,12 @@ b4_error_verbose_if([, yytoken])[)); if (false) goto yyerrorlab; - yyerror_range[0] = yylocation_stack_[yylen - 1]; + yyerror_range[0].location = yystack_[yylen - 1].location; /* Do not reclaim the symbols of the rule which action triggered this YYERROR. */ yypop_ (yylen); yylen = 0; - yystate = yystate_stack_[0]; + yystate = yystack_[0].state; goto yyerrlab1; /*-------------------------------------------------------------. @@ -927,30 +1041,27 @@ b4_error_verbose_if([, yytoken])[)); } } - /* Pop the current state because it cannot handle the error token. */ - if (yystate_stack_.size () == 1) - YYABORT; + // Pop the current state because it cannot handle the error token. + if (yystack_.size () == 1) + YYABORT; - yyerror_range[0] = yylocation_stack_[0]; + yyerror_range[0].location = yystack_[0].location; yydestruct_ ("Error: popping", yystos_[yystate], - yysemantic_stack_[0], yylocation_stack_[0]); + yystack_[0].value, yystack_[0].location); yypop_ (); - yystate = yystate_stack_[0]; + yystate = yystack_[0].state; YY_STACK_PRINT (); } - yyerror_range[1] = yylloc; + yyerror_range[1].location = yylloc; // Using YYLLOC is tempting, but would change the location of // the lookahead. YYLOC is available though. YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2); /* Shift the error token. */ - YY_SYMBOL_PRINT ("Shifting", yystos_[yyn], - yysemantic_stack_[0], yylocation_stack_[0]); - yystate = yyn; - yypush_ (yystate, yylval, yyloc); + yypush_ ("Shifting", yystate, yylval, yyloc); goto yynewstate; /* Accept. */ @@ -970,12 +1081,11 @@ b4_error_verbose_if([, yytoken])[)); /* Do not reclaim the symbols of the rule which action triggered this YYABORT or YYACCEPT. */ yypop_ (yylen); - while (yystate_stack_.size () != 1) + while (yystack_.size () != 1) { yydestruct_ ("Cleanup: popping", - yystos_[yystate_stack_[0]], - yysemantic_stack_[0], - yylocation_stack_[0]); + yystos_[yystack_[0].state], + yystack_[0].value, yystack_[0].location); yypop_ (); } @@ -984,8 +1094,8 @@ b4_error_verbose_if([, yytoken])[)); // Generate an error message. std::string - ]b4_parser_class_name[::yysyntax_error_ (int yystate]dnl -b4_error_verbose_if([, int tok])[) + ]b4_parser_class_name[::yysyntax_error_ (int yystate, int]dnl +b4_error_verbose_if([ tok])[) { std::string res; YYUSE (yystate); @@ -1036,83 +1146,43 @@ b4_error_verbose_if([, int tok])[) /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ const ]b4_int_type(b4_pact_ninf, b4_pact_ninf) b4_parser_class_name::yypact_ninf_ = b4_pact_ninf[; - const ]b4_int_type_for([b4_pact])[ - ]b4_parser_class_name[::yypact_[] = - { - ]b4_pact[ - }; + ]b4_table_define([pact], [b4_pact])[; /* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE doesn't specify something else to do. Zero means the default is an error. */ - const ]b4_int_type_for([b4_defact])[ - ]b4_parser_class_name[::yydefact_[] = - { - ]b4_defact[ - }; + ]b4_table_define([defact], [b4_defact])[; /* YYPGOTO[NTERM-NUM]. */ - const ]b4_int_type_for([b4_pgoto])[ - ]b4_parser_class_name[::yypgoto_[] = - { - ]b4_pgoto[ - }; + ]b4_table_define([pgoto], [b4_pgoto])[; /* YYDEFGOTO[NTERM-NUM]. */ - const ]b4_int_type_for([b4_defgoto])[ - ]b4_parser_class_name[::yydefgoto_[] = - { - ]b4_defgoto[ - }; + ]b4_table_define([defgoto], [b4_defgoto])[; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If positive, shift that token. If negative, reduce the rule which number is the opposite. If zero, do what YYDEFACT says. */ const ]b4_int_type(b4_table_ninf, b4_table_ninf) b4_parser_class_name::yytable_ninf_ = b4_table_ninf[; - const ]b4_int_type_for([b4_table])[ - ]b4_parser_class_name[::yytable_[] = - { - ]b4_table[ - }; + ]b4_table_define([table], [b4_table])[; /* YYCHECK. */ - const ]b4_int_type_for([b4_check])[ - ]b4_parser_class_name[::yycheck_[] = - { - ]b4_check[ - }; + ]b4_table_define([check], [b4_check])[; /* STOS_[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ - const ]b4_int_type_for([b4_stos])[ - ]b4_parser_class_name[::yystos_[] = - { - ]b4_stos[ - }; + ]b4_table_define([stos], [b4_stos])[; #if YYDEBUG /* TOKEN_NUMBER_[YYLEX-NUM] -- Internal symbol number corresponding to YYLEX-NUM. */ - const ]b4_int_type_for([b4_toknum])[ - ]b4_parser_class_name[::yytoken_number_[] = - { - ]b4_toknum[ - }; + ]b4_table_define([token_number], [b4_toknum])[; #endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ - const ]b4_int_type_for([b4_r1])[ - ]b4_parser_class_name[::yyr1_[] = - { - ]b4_r1[ - }; + ]b4_table_define([r1], [b4_r1])[; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ - const ]b4_int_type_for([b4_r2])[ - ]b4_parser_class_name[::yyr2_[] = - { - ]b4_r2[ - }; + ]b4_table_define([r2], [b4_r2])[; #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. @@ -1120,41 +1190,31 @@ b4_error_verbose_if([, int tok])[) const char* const ]b4_parser_class_name[::yytname_[] = { - ]b4_tname[ + ]b4_tname[ }; #endif #if YYDEBUG /* YYRHS -- A `-1'-separated list of the rules' RHS. */ - const ]b4_parser_class_name[::rhs_number_type - ]b4_parser_class_name[::yyrhs_[] = - { - ]b4_rhs[ - }; + ]b4_table_define([rhs], [b4_rhs])[; /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in YYRHS. */ - const ]b4_int_type_for([b4_prhs])[ - ]b4_parser_class_name[::yyprhs_[] = - { - ]b4_prhs[ - }; + ]b4_table_define([prhs], [b4_prhs])[; /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ - const ]b4_int_type_for([b4_rline])[ - ]b4_parser_class_name[::yyrline_[] = - { - ]b4_rline[ - }; + ]b4_table_define([rline], [b4_rline])[; // Print the state stack on the debug stream. void ]b4_parser_class_name[::yystack_print_ () { *yycdebug_ << "Stack now"; - for (state_stack_type::const_iterator i = yystate_stack_.begin (); - i != yystate_stack_.end (); ++i) - *yycdebug_ << ' ' << *i; + for (stack_type::const_iterator + i = yystack_.begin (), + i_end = yystack_.end (); + i != i_end; ++i) + *yycdebug_ << ' ' << i->state; *yycdebug_ << std::endl; } @@ -1184,7 +1244,7 @@ b4_error_verbose_if([, int tok])[) const token_number_type translate_table[] = { - ]b4_translate[ + ]b4_translate[ }; if ((unsigned int) t <= yyuser_token_number_max_) return translate_table[t]; @@ -1206,11 +1266,9 @@ b4_error_verbose_if([, int tok])[) ]b4_namespace_close[ -]b4_epilogue -dnl -@output(b4_dir_prefix[]stack.hh@) -b4_copyright([Stack handling for Bison parsers in C++], - [2002, 2003, 2004, 2005, 2006, 2007, 2008])[ +]b4_epilogue[]dnl +@output(b4_dir_prefix[]stack.hh@)@ +b4_copyright([Stack handling for Bison parsers in C++])[ #ifndef BISON_STACK_HH # define BISON_STACK_HH @@ -1308,3 +1366,4 @@ b4_copyright([Stack handling for Bison parsers in C++], #endif // not BISON_STACK_HH[]dnl ] m4_divert_pop(0) +m4_popdef([b4_copyright_years])dnl