X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b0c4483ed286e4619d5889bb7ff474434292c66a..c5df10951a269af77ca3994df13bd685dab03e8c:/src/reader.h diff --git a/src/reader.h b/src/reader.h index 4030e478..7e7cb5f2 100644 --- a/src/reader.h +++ b/src/reader.h @@ -1,5 +1,5 @@ /* Input parser for bison - Copyright 2000 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -21,19 +21,66 @@ #ifndef READER_H_ # define READER_H_ -/* Read in the grammar specification and record it in the format - described in gram.h. All guards are copied into the FGUARD file - and all actions into FACTION, in each case forming the body of a C - function (YYGUARD or YYACTION) which contains a switch statement to - decide which guard or action to execute. */ +# include "location.h" +# include "symlist.h" -extern void reader PARAMS ((void)); +# include "parse-gram.h" +typedef struct merger_list +{ + struct merger_list* next; + uniqstr name; + uniqstr type; +} merger_list; -extern int lineno; -extern char **tags; -extern short *user_toknums; +/* From the scanner. */ +extern FILE *gram_in; +extern int gram__flex_debug; +extern boundary scanner_cursor; +void scanner_initialize (void); +void scanner_free (void); +void scanner_last_string_free (void); -extern struct obstack muscle_obstack; +# define YY_DECL int gram_lex (yystype *val, location *loc) +YY_DECL; + + +/* From the parser. */ +extern int gram_debug; +int gram_parse (void); + +/* The sort of braced code we are in. */ +typedef enum + { + action_braced_code, + destructor_braced_code, + printer_braced_code + } braced_code; +/* FIXME: This is really a dirty hack which demonstrates that we + should probably not try to parse the actions now. */ +extern braced_code current_braced_code; + + +/* From reader.c. */ +void grammar_start_symbol_set (symbol *s, location loc); +void prologue_augment (const char *prologue, location loc); +void epilogue_augment (const char *epilogue, location loc); +void grammar_symbol_append (symbol *s, 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 (void); +void free_merger_functions (void); + +extern merger_list *merge_functions; + +extern int typed; #endif /* !READER_H_ */