X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/280a38c306200177ef15e0f52775312edc057065..b25d88f6d2e2f4b59927aacecdc0a9e44a34b5d9:/src/reader.h?ds=sidebyside diff --git a/src/reader.h b/src/reader.h index abff0d38..a32e84f5 100644 --- a/src/reader.h +++ b/src/reader.h @@ -21,24 +21,72 @@ #ifndef READER_H_ # define READER_H_ -#include "symtab.h" +# include "symlist.h" +# include "parse-gram.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. */ +typedef struct merger_list +{ + struct merger_list* next; + struniq_t name; + struniq_t type; +} +merger_list; -void reader PARAMS ((void)); +typedef struct gram_control_s +{ + int errcode; +} gram_control_t; -/* Free the packed grammar. */ -void grammar_free PARAMS ((void)); +/* 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; +# define YY_DECL \ + int gram_lex (yystype *yylval, location_t *yylloc, \ + gram_control_t *yycontrol) +YY_DECL; -extern bucket *errtoken; -extern bucket *undeftoken; -extern bucket *eoftoken; -extern bucket *axiom; + +/* 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_ */