X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/db8837cbe1210e9df3da80472abee9b9896fd152..9280d3ef893b90b36c89fa7737512f2d640e41d9:/src/reader.h diff --git a/src/reader.h b/src/reader.h index ce5e2dc7..e40cafc2 100644 --- a/src/reader.h +++ b/src/reader.h @@ -21,24 +21,59 @@ #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 gram_control_s +{ + int errcode; +} gram_control_t; + +/* From the scanner. */ +extern FILE *gram_in; +extern int gram__flex_debug; +void scanner_last_string_free PARAMS ((void)); +void scanner_initialize PARAMS ((void)); +void scanner_free PARAMS ((void)); + +# define YY_DECL \ + int gram_lex (yystype *yylval, location_t *yylloc, \ + gram_control_t *yycontrol) +YY_DECL; -void reader PARAMS ((void)); -/* Free the packed grammar. */ -void grammar_free PARAMS ((void)); +/* From the parser. */ +extern int gram_debug; +void gram_error (gram_control_t *control, + location_t *loc, const char *msg); +int gram_parse (void *control); -extern int lineno; +/* The sort of braced code we are in. */ +typedef enum braced_code_e + { + action_braced_code, + destructor_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; -extern symbol_t *errtoken; -extern symbol_t *undeftoken; -extern symbol_t *eoftoken; -extern symbol_t *axiom; + +/* From reader.c. */ +void grammar_start_symbol_set PARAMS ((symbol_t *s, location_t l)); +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, location_t l)); +void grammar_rule_begin PARAMS ((symbol_t *lhs, location_t l)); +void grammar_rule_end PARAMS ((location_t l)); +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, + location_t l)); +void grammar_current_rule_action_append PARAMS ((const char *action, + location_t l)); +extern symbol_list_t *current_rule; +void reader PARAMS ((void)); +extern int typed; #endif /* !READER_H_ */