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99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* Input parser for bison
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Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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Bison is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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Bison is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bison; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef READER_H_
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# define READER_H_
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# include "symlist.h"
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# include "parse-gram.h"
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typedef struct merger_list
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{
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struct merger_list* next;
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const char* name;
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const char* type;
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}
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merger_list;
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typedef struct gram_control_s
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{
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int errcode;
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} gram_control_t;
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/* From the scanner. */
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extern FILE *gram_in;
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extern int gram__flex_debug;
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void scanner_last_string_free PARAMS ((void));
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void scanner_initialize PARAMS ((void));
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void scanner_free PARAMS ((void));
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# define YY_DECL \
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int gram_lex (yystype *yylval, location_t *yylloc, \
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gram_control_t *yycontrol)
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YY_DECL;
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/* From the parser. */
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extern int gram_debug;
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void gram_error (gram_control_t *control,
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location_t *loc, const char *msg);
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int gram_parse (void *control);
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/* The sort of braced code we are in. */
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typedef enum braced_code_e
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{
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action_braced_code,
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destructor_braced_code,
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printer_braced_code
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} braced_code_t;
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/* FIXME: This is really a dirty hack which demonstrates that we
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should probably not try to parse the actions now. */
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extern braced_code_t current_braced_code;
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/* From reader.c. */
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void grammar_start_symbol_set PARAMS ((symbol_t *s, location_t l));
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void prologue_augment PARAMS ((const char *prologue, location_t location));
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void epilogue_set PARAMS ((const char *epilogue, location_t location));
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void grammar_symbol_append PARAMS ((symbol_t *s, location_t l));
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void grammar_rule_begin PARAMS ((symbol_t *lhs, location_t l));
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void grammar_rule_end PARAMS ((location_t l));
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void grammar_midrule_action PARAMS ((void));
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void grammar_current_rule_prec_set PARAMS ((symbol_t *precsym,
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location_t l));
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void grammar_current_rule_dprec_set PARAMS ((int dprec,
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location_t l));
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void grammer_current_rule_merge_set PARAMS ((const char* name,
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location_t l));
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void grammar_current_rule_symbol_append PARAMS ((symbol_t *symbol,
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location_t l));
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void grammar_current_rule_action_append PARAMS ((const char *action,
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location_t l));
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extern symbol_list_t *current_rule;
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void reader PARAMS ((void));
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void free_merger_functions PARAMS ((void));
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extern merger_list *merge_functions;
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extern int typed;
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#endif /* !READER_H_ */
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