X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/82e236e2d66e4876663586d30a44ebb57f9cdf6c..8a1dd2fe05fc19d9f136d1ddbb42bb0af197240d:/src/reader.h diff --git a/src/reader.h b/src/reader.h index 7cdd6941..a32e84f5 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. @@ -21,21 +21,72 @@ #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 "symlist.h" +# include "parse-gram.h" -extern void reader PARAMS ((void)); +typedef struct merger_list +{ + struct merger_list* next; + struniq_t name; + struniq_t type; +} +merger_list; +typedef struct gram_control_s +{ + int errcode; +} gram_control_t; -extern void reader_output_yylsp PARAMS ((struct obstack *)); +/* From the scanner. */ +extern FILE *gram_in; +extern int gram__flex_debug; +void scanner_initialize (void); +void scanner_free (void); +void scanner_last_string_free (void); -extern int lineno; -extern char **tags; -extern short *user_toknums; +# define YY_DECL \ + int gram_lex (yystype *yylval, location_t *yylloc, \ + gram_control_t *yycontrol) +YY_DECL; -extern struct obstack macro_obstack; + +/* From the parser. */ +extern int gram_debug; +void gram_error (location_t *loc, const char *msg); +int gram_parse (void *control); + +/* The sort of braced code we are in. */ +typedef enum braced_code_e + { + action_braced_code, + destructor_braced_code, + printer_braced_code + } braced_code_t; +/* FIXME: This is really a dirty hack which demonstrates that we + should probably not try to parse the actions now. */ +extern braced_code_t current_braced_code; + + +/* From reader.c. */ +void grammar_start_symbol_set (symbol_t *s, location_t l); +void prologue_augment (const char *prologue, location_t location); +void epilogue_augment (const char *epilogue, location_t location); +void grammar_symbol_append (symbol_t *s, location_t l); +void grammar_rule_begin (symbol_t *lhs, location_t l); +void grammar_rule_end (location_t l); +void grammar_midrule_action (void); +void grammar_current_rule_prec_set (symbol_t *precsym, location_t l); +void grammar_current_rule_dprec_set (int dprec, location_t l); +void grammar_current_rule_merge_set (struniq_t name, location_t l); + +void grammar_current_rule_symbol_append (symbol_t *symbol, location_t l); +void grammar_current_rule_action_append (const char *action, location_t l); +extern symbol_list_t *current_rule; +void reader (void); +void free_merger_functions (void); + +extern merger_list *merge_functions; + +extern int typed; #endif /* !READER_H_ */