X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e9955c83734d0a545d7822a1feb9c4a8038a62cb..127287e9c478d3b29f6671cab599131443443f95:/src/reader.h diff --git a/src/reader.h b/src/reader.h index 6311fe86..c47a16eb 100644 --- a/src/reader.h +++ b/src/reader.h @@ -1,5 +1,6 @@ -/* Input parser for bison - Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. +/* Input parser for Bison + + Copyright (C) 2000, 2001, 2002, 2003, 2005 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -15,98 +16,68 @@ You should have received a copy of the GNU General Public License along with Bison; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ #ifndef READER_H_ # define READER_H_ -typedef struct symbol_list -{ - struct symbol_list *next; - symbol_t *sym; - int line; - - /* The action is attached to the LHS of a rule. */ - const char *action; - int action_line; - - symbol_t *ruleprec; -} symbol_list; +# include "location.h" +# include "symlist.h" # include "parse-gram.h" -typedef int location_t; - -/* Initialize LOC. */ -# define LOCATION_RESET(Loc) \ - (Loc).first_column = (Loc).first_line = 1; \ - (Loc).last_column = (Loc).last_line = 1; - -/* Advance of NUM columns. */ -# define LOCATION_COLUMNS(Loc, Num) \ - (Loc).last_column += Num; - -/* Advance of NUM lines. */ -# define LOCATION_LINES(Loc, Num) \ - (Loc).last_column = 1; \ - (Loc).last_line += Num; - -/* Restart: move the first cursor to the last position. */ -# define LOCATION_STEP(Loc) \ - (Loc).first_column = (Loc).last_column; \ - (Loc).first_line = (Loc).last_line; - -/* Output LOC on the stream OUT. */ -# define LOCATION_PRINT(Out, Loc) \ - fprintf (stderr, "%s:", infile); \ - if ((Loc).first_line != (Loc).last_line) \ - fprintf (Out, "%d.%d-%d.%d", \ - (Loc).first_line, (Loc).first_column, \ - (Loc).last_line, (Loc).last_column - 1); \ - else if ((Loc).first_column < (Loc).last_column - 1) \ - fprintf (Out, "%d.%d-%d", (Loc).first_line, \ - (Loc).first_column, (Loc).last_column - 1); \ - else \ - fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column) - -typedef struct gram_control_s +typedef struct merger_list { - int errcode; -} gram_control_t; + struct merger_list* next; + uniqstr name; + uniqstr type; +} merger_list; /* From the scanner. */ extern FILE *gram_in; extern int gram__flex_debug; - -# define YY_DECL \ - int gram_lex (yystype *yylval, yyltype *yylloc, \ - gram_control_t *yycontrol) +extern boundary scanner_cursor; +extern int max_left_semantic_context; +void scanner_initialize (void); +void scanner_free (void); +void scanner_last_string_free (void); + +/* These are declared by the scanner, but not used. We put them here + to pacify "make syntax-check". */ +extern FILE *gram_out; +extern int gram_lineno; + +# define YY_DECL int gram_lex (YYSTYPE *val, location *loc) YY_DECL; /* From the parser. */ extern int gram_debug; -void gram_error (gram_control_t *control, - yyltype *loc, const char *msg); -int gram_parse (void *control); +int gram_parse (void); +char const *token_name (int); -char *get_type_name PARAMS ((int n, symbol_list *rule)); -extern int typed; /* From reader.c. */ -void grammar_start_symbol_set PARAMS ((symbol_t *s)); -void prologue_augment PARAMS ((const char *prologue, location_t location)); -void epilogue_set PARAMS ((const char *epilogue, location_t location)); -void grammar_symbol_append PARAMS ((symbol_t *s)); -void grammar_rule_begin PARAMS ((symbol_t *lhs)); -void grammar_rule_end PARAMS ((void)); -void grammar_midrule_action PARAMS ((void)); -void grammar_current_rule_prec_set PARAMS ((symbol_t *precsym)); -void grammar_current_rule_symbol_append PARAMS ((symbol_t *symbol)); -void grammar_current_rule_action_append PARAMS ((const char *action, - int line)); +void grammar_start_symbol_set (symbol *sym, location loc); +void prologue_augment (const char *prologue, location loc); +void grammar_symbol_append (symbol *sym, location loc); +void grammar_rule_begin (symbol *lhs, location loc); +void grammar_rule_end (location loc); +void grammar_midrule_action (void); +void grammar_current_rule_prec_set (symbol *precsym, location loc); +void grammar_current_rule_dprec_set (int dprec, location loc); +void grammar_current_rule_merge_set (uniqstr name, location loc); + +void grammar_current_rule_symbol_append (symbol *sym, location loc); +void grammar_current_rule_action_append (const char *action, location loc); extern symbol_list *current_rule; -void reader PARAMS ((void)); +void reader (void); +void free_merger_functions (void); + +extern merger_list *merge_functions; + +extern bool typed; +extern bool default_prec; #endif /* !READER_H_ */