1 /* $Id: defs.h,v 1.57 2017/04/30 23:29:11 tom Exp $ */
15 #if defined(__cplusplus) /* __cplusplus, etc. */
22 #define CONCAT(first,second) first #second
23 #define CONCAT1(string,number) CONCAT(string, number)
24 #define CONCAT2(first,second) #first "." #second
27 #define VSTRING(a,b) CONCAT2(a,b) CONCAT1(" ",YYPATCH)
29 #define VSTRING(a,b) CONCAT2(a,b)
32 #define VERSION VSTRING(YYMAJOR, YYMINOR)
34 /* machine-dependent definitions: */
36 /* MAXCHAR is the largest unsigned character value */
37 /* MAXTABLE is the maximum table size */
38 /* YYINT is the smallest C integer type that can be */
39 /* used to address a table of size MAXTABLE */
40 /* MAXYYINT is the largest value of a YYINT */
41 /* MINYYINT is the most negative value of a YYINT */
42 /* BITS_PER_WORD is the number of bits in a C unsigned */
43 /* WORDSIZE computes the number of words needed to */
45 /* BIT returns the value of the n-th bit starting */
46 /* from r (0-indexed) */
47 /* SETBIT sets the n-th bit starting from r */
49 #define MAXCHAR UCHAR_MAX
51 #define MAXTABLE 32500
53 #if MAXTABLE <= SHRT_MAX
55 #define MAXYYINT SHRT_MAX
56 #define MINYYINT SHRT_MIN
57 #elif MAXTABLE <= INT_MAX
59 #define MAXYYINT INT_MAX
60 #define MINYYINT INT_MIN
62 #error "MAXTABLE is too large for this machine architecture!"
65 #define BITS_PER_WORD ((int) sizeof (unsigned) * CHAR_BIT)
66 #define WORDSIZE(n) (((n)+(BITS_PER_WORD-1))/BITS_PER_WORD)
67 #define BIT(r, n) ((((r)[(n)/BITS_PER_WORD])>>((n)&(BITS_PER_WORD-1)))&1)
68 #define SETBIT(r, n) ((r)[(n)/BITS_PER_WORD]|=((unsigned)1<<((n)&(BITS_PER_WORD-1))))
72 #define NUL '\0' /* the null character */
73 #define NEWLINE '\n' /* line feed */
74 #define SP ' ' /* space */
75 #define BS '\b' /* backspace */
76 #define HT '\t' /* horizontal tab */
77 #define VT '\013' /* vertical tab */
78 #define CR '\r' /* carriage return */
79 #define FF '\f' /* form feed */
80 #define QUOTE '\'' /* single quote */
81 #define DOUBLE_QUOTE '\"' /* double quote */
82 #define BACKSLASH '\\' /* backslash */
84 #define UCH(c) (unsigned char)(c)
86 /* defines for constructing filenames */
89 #define CODE_SUFFIX "_code.c"
90 #define DEFINES_SUFFIX "_tab.h"
91 #define EXTERNS_SUFFIX "_tab.i"
92 #define OUTPUT_SUFFIX "_tab.c"
94 #define CODE_SUFFIX ".code.c"
95 #define DEFINES_SUFFIX ".tab.h"
96 #define EXTERNS_SUFFIX ".tab.i"
97 #define OUTPUT_SUFFIX ".tab.c"
99 #define VERBOSE_SUFFIX ".output"
100 #define GRAPH_SUFFIX ".dot"
116 #define PURE_PARSER 12
117 #define PARSE_PARAM 13
119 #define POSIX_YACC 15
120 #define TOKEN_TABLE 16
121 #define ERROR_VERBOSE 17
124 #if defined(YYBTYACC)
126 #define DESTRUCTOR 20
127 #define INITIAL_ACTION 21
138 /* the undefined value */
140 #define UNDEFINED (-1)
147 /* character macros */
149 #define IS_IDENT(c) (isalnum(c) || (c) == '_' || (c) == '.' || (c) == '$')
150 #define IS_OCTAL(c) ((c) >= '0' && (c) <= '7')
151 #define NUMERIC_VALUE(c) ((c) - '0')
155 #define ISTOKEN(s) ((s) < start_symbol)
156 #define ISVAR(s) ((s) >= start_symbol)
158 /* storage allocation macros */
160 #define CALLOC(k,n) (calloc((size_t)(k),(size_t)(n)))
161 #define FREE(x) (free((char*)(x)))
162 #define MALLOC(n) (malloc((size_t)(n)))
163 #define TCMALLOC(t,n) ((t*) calloc((size_t)(n), sizeof(t)))
164 #define TMALLOC(t,n) ((t*) malloc((size_t)(n) * sizeof(t)))
165 #define NEW(t) ((t*)allocate(sizeof(t)))
166 #define NEW2(n,t) ((t*)allocate(((size_t)(n)*sizeof(t))))
167 #define REALLOC(p,n) (realloc((char*)(p),(size_t)(n)))
168 #define TREALLOC(t,p,n) ((t*)realloc((char*)(p), (size_t)(n) * sizeof(t)))
170 #define DO_FREE(x) if (x) { FREE(x); x = 0; }
172 #define NO_SPACE(p) if (p == 0) no_space(); assert(p != 0)
175 #define PLURAL(n) ((n) > 1 ? "s" : "")
178 * Features which depend indirectly on the btyacc configuration, but are not
181 #if defined(YYBTYACC)
182 #define USE_HEADER_GUARDS 1
184 #define USE_HEADER_GUARDS 0
187 typedef char Assoc_t;
188 typedef char Class_t;
189 typedef YYINT Index_t;
190 typedef YYINT Value_t;
192 /* the structure of a symbol table entry */
194 typedef struct bucket bucket;
201 #if defined(YYBTYACC)
214 /* the structure of the LR(0) state machine */
216 typedef struct core core;
222 Value_t accessing_symbol;
227 /* the structure used to record shifts */
229 typedef struct shifts shifts;
238 /* the structure used to store reductions */
240 typedef struct reductions reductions;
243 struct reductions *next;
249 /* the structure used to represent parser actions */
251 typedef struct action action;
263 /* the structure used to store parse/lex parameters */
264 typedef struct param param;
268 char *name; /* parameter name */
269 char *type; /* everything before parameter name */
270 char *type2; /* everything after parameter name */
273 /* global variables */
283 extern const char *symbol_prefix;
285 extern const char *myname;
290 extern int exit_code;
291 extern int pure_parser;
292 extern int token_table;
293 extern int error_verbose;
294 #if defined(YYBTYACC)
295 extern int locations;
296 extern int backtrack;
297 extern int destructor;
298 extern char *initial_action;
301 extern const char *const banner[];
302 extern const char *const xdecls[];
303 extern const char *const tables[];
304 extern const char *const global_vars[];
305 extern const char *const impure_vars[];
306 extern const char *const hdr_defs[];
307 extern const char *const hdr_vars[];
308 extern const char *const body_1[];
309 extern const char *const body_vars[];
310 extern const char *const init_vars[];
311 extern const char *const body_2[];
312 extern const char *const body_3[];
313 extern const char *const trailer[];
315 extern char *code_file_name;
316 extern char *input_file_name;
317 extern size_t input_file_name_len;
318 extern char *defines_file_name;
319 extern char *externs_file_name;
321 extern FILE *action_file;
322 extern FILE *code_file;
323 extern FILE *defines_file;
324 extern FILE *externs_file;
325 extern FILE *input_file;
326 extern FILE *output_file;
327 extern FILE *text_file;
328 extern FILE *union_file;
329 extern FILE *verbose_file;
330 extern FILE *graph_file;
332 extern Value_t nitems;
333 extern Value_t nrules;
334 extern Value_t nsyms;
335 extern Value_t ntokens;
336 extern Value_t nvars;
339 extern char unionized;
340 extern char line_format[];
342 extern Value_t start_symbol;
343 extern char **symbol_name;
344 extern char **symbol_pname;
345 extern Value_t *symbol_value;
346 extern Value_t *symbol_prec;
347 extern char *symbol_assoc;
349 #if defined(YYBTYACC)
350 extern Value_t *symbol_pval;
351 extern char **symbol_destructor;
352 extern char **symbol_type_tag;
355 extern Value_t *ritem;
356 extern Value_t *rlhs;
357 extern Value_t *rrhs;
358 extern Value_t *rprec;
359 extern Assoc_t *rassoc;
361 extern Value_t **derives;
362 extern char *nullable;
364 extern bucket *first_symbol;
365 extern bucket *last_symbol;
368 extern core *first_state;
369 extern shifts *first_shift;
370 extern reductions *first_reduction;
371 extern Value_t *accessing_symbol;
372 extern core **state_table;
373 extern shifts **shift_table;
374 extern reductions **reduction_table;
376 extern Value_t *LAruleno;
377 extern Value_t *lookaheads;
378 extern Value_t *goto_base;
379 extern Value_t *goto_map;
380 extern Value_t *from_state;
381 extern Value_t *to_state;
383 extern action **parser;
388 extern Value_t *SRconflicts;
389 extern Value_t *RRconflicts;
390 extern Value_t *defred;
391 extern Value_t *rules_used;
392 extern Value_t nunused;
393 extern Value_t final_state;
395 extern Value_t *itemset;
396 extern Value_t *itemsetend;
397 extern unsigned *ruleset;
399 extern param *lex_param;
400 extern param *parse_param;
402 /* global functions */
406 #define GCC_NORETURN __dead2
407 #elif defined(__dead)
408 #define GCC_NORETURN __dead
410 #define GCC_NORETURN /* nothing */
415 #if defined(__unused)
416 #define GCC_UNUSED __unused
418 #define GCC_UNUSED /* nothing */
422 #ifndef GCC_PRINTFLIKE
423 #define GCC_PRINTFLIKE(fmt,var) /*nothing */
427 extern void closure(Value_t *nucleus, int n);
428 extern void finalize_closure(void);
429 extern void set_first_derives(void);
439 extern void arg_number_disagree_warning(int a_lineno, char *a_name);
440 extern void arg_type_disagree_warning(int a_lineno, int i, char *a_name);
441 extern void at_error(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
442 extern void at_warning(int a_lineno, int i);
443 extern void bad_formals(void) GCC_NORETURN;
444 extern void default_action_warning(char *s);
445 extern void destructor_redeclared_warning(const struct ainfo *);
446 extern void dollar_error(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
447 extern void dollar_warning(int a_lineno, int i);
448 extern void fatal(const char *msg) GCC_NORETURN;
449 extern void illegal_character(char *c_cptr) GCC_NORETURN;
450 extern void illegal_tag(int t_lineno, char *t_line, char *t_cptr) GCC_NORETURN;
451 extern void missing_brace(void) GCC_NORETURN;
452 extern void no_grammar(void) GCC_NORETURN;
453 extern void no_space(void) GCC_NORETURN;
454 extern void open_error(const char *filename) GCC_NORETURN;
455 extern void over_unionized(char *u_cptr) GCC_NORETURN;
456 extern void prec_redeclared(void);
457 extern void reprec_warning(char *s);
458 extern void restarted_warning(void);
459 extern void retyped_warning(char *s);
460 extern void revalued_warning(char *s);
461 extern void start_requires_args(char *a_name);
462 extern void syntax_error(int st_lineno, char *st_line, char *st_cptr) GCC_NORETURN;
463 extern void terminal_lhs(int s_lineno) GCC_NORETURN;
464 extern void terminal_start(char *s) GCC_NORETURN;
465 extern void tokenized_start(char *s) GCC_NORETURN;
466 extern void undefined_goal(char *s) GCC_NORETURN;
467 extern void undefined_symbol_warning(char *s);
468 extern void unexpected_EOF(void) GCC_NORETURN;
469 extern void unknown_arg_warning(int d_lineno, const char *dlr_opt, const char *d_arg, const char *d_line, const char *d_cptr);
470 extern void unknown_rhs(int i) GCC_NORETURN;
471 extern void unsupported_flag_warning(const char *flag, const char *details);
472 extern void unterminated_action(const struct ainfo *) GCC_NORETURN;
473 extern void unterminated_comment(const struct ainfo *) GCC_NORETURN;
474 extern void unterminated_string(const struct ainfo *) GCC_NORETURN;
475 extern void unterminated_text(const struct ainfo *) GCC_NORETURN;
476 extern void unterminated_union(const struct ainfo *) GCC_NORETURN;
477 extern void untyped_arg_warning(int a_lineno, const char *dlr_opt, const char *a_name);
478 extern void untyped_lhs(void) GCC_NORETURN;
479 extern void untyped_rhs(int i, char *s) GCC_NORETURN;
480 extern void used_reserved(char *s) GCC_NORETURN;
481 extern void unterminated_arglist(const struct ainfo *) GCC_NORETURN;
482 extern void wrong_number_args_warning(const char *which, const char *a_name);
483 extern void wrong_type_for_arg_warning(int i, char *a_name);
486 extern void graph(void);
489 extern void lalr(void);
492 extern void lr0(void);
493 extern void show_cores(void);
494 extern void show_ritems(void);
495 extern void show_rrhs(void);
496 extern void show_shifts(void);
499 extern void *allocate(size_t n);
500 extern void done(int k) GCC_NORETURN;
503 extern void free_parser(void);
504 extern void make_parser(void);
509 char *base, *ptr, *end;
512 extern void msprintf(struct mstring *, const char *, ...) GCC_PRINTFLIKE(2,3);
513 extern int mputchar(struct mstring *, int);
514 extern struct mstring *msnew(void);
515 extern char *msdone(struct mstring *);
516 extern int strnscmp(const char *, const char *);
517 extern unsigned int strnshash(const char *);
519 #define mputc(m, ch) (((m)->ptr == (m)->end) \
521 : (*(m)->ptr++ = (char) (ch)))
524 extern void output(void);
527 extern void reader(void);
529 /* skeleton.c (generated by skel2c) */
530 extern void write_section(FILE * fp, const char *const section[]);
533 extern bucket *make_bucket(const char *);
534 extern bucket *lookup(const char *);
535 extern void create_symbol_table(void);
536 extern void free_symbol_table(void);
537 extern void free_symbols(void);
540 extern void verbose(void);
543 extern void reflexive_transitive_closure(unsigned *R, int n);
547 extern void print_closure(int n);
548 extern void print_EFF(void);
549 extern void print_first_derives(void);
551 extern void print_derives(void);
555 extern void lr0_leaks(void);
556 extern void lalr_leaks(void);
557 extern void mkpar_leaks(void);
558 extern void output_leaks(void);
559 extern void mstring_leaks(void);
560 extern void reader_leaks(void);