1 /* $Id: defs.h,v 1.49 2014/04/22 23:34:34 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
122 #if defined(YYBTYACC)
124 #define DESTRUCTOR 18
135 /* the undefined value */
137 #define UNDEFINED (-1)
144 /* character macros */
146 #define IS_IDENT(c) (isalnum(c) || (c) == '_' || (c) == '.' || (c) == '$')
147 #define IS_OCTAL(c) ((c) >= '0' && (c) <= '7')
148 #define NUMERIC_VALUE(c) ((c) - '0')
152 #define ISTOKEN(s) ((s) < start_symbol)
153 #define ISVAR(s) ((s) >= start_symbol)
155 /* storage allocation macros */
157 #define CALLOC(k,n) (calloc((size_t)(k),(size_t)(n)))
158 #define FREE(x) (free((char*)(x)))
159 #define MALLOC(n) (malloc((size_t)(n)))
160 #define TMALLOC(t,n) ((t*) malloc((size_t)(n) * sizeof(t)))
161 #define NEW(t) ((t*)allocate(sizeof(t)))
162 #define NEW2(n,t) ((t*)allocate(((size_t)(n)*sizeof(t))))
163 #define REALLOC(p,n) (realloc((char*)(p),(size_t)(n)))
164 #define TREALLOC(t,p,n) ((t*)realloc((char*)(p), (size_t)(n) * sizeof(t)))
166 #define DO_FREE(x) if (x) { FREE(x); x = 0; }
168 #define NO_SPACE(p) if (p == 0) no_space(); assert(p != 0)
171 #define PLURAL(n) ((n) > 1 ? "s" : "")
174 * Features which depend indirectly on the btyacc configuration, but are not
177 #if defined(YYBTYACC)
178 #define USE_HEADER_GUARDS 1
180 #define USE_HEADER_GUARDS 0
183 typedef char Assoc_t;
184 typedef char Class_t;
185 typedef YYINT Index_t;
186 typedef YYINT Value_t;
188 /* the structure of a symbol table entry */
190 typedef struct bucket bucket;
197 #if defined(YYBTYACC)
210 /* the structure of the LR(0) state machine */
212 typedef struct core core;
218 Value_t accessing_symbol;
223 /* the structure used to record shifts */
225 typedef struct shifts shifts;
234 /* the structure used to store reductions */
236 typedef struct reductions reductions;
239 struct reductions *next;
245 /* the structure used to represent parser actions */
247 typedef struct action action;
259 /* the structure used to store parse/lex parameters */
260 typedef struct param param;
264 char *name; /* parameter name */
265 char *type; /* everything before parameter name */
266 char *type2; /* everything after parameter name */
269 /* global variables */
279 extern const char *symbol_prefix;
281 extern const char *myname;
286 extern int exit_code;
287 extern int pure_parser;
288 extern int token_table;
289 #if defined(YYBTYACC)
290 extern int locations;
291 extern int backtrack;
292 extern int destructor;
295 extern const char *const banner[];
296 extern const char *const xdecls[];
297 extern const char *const tables[];
298 extern const char *const global_vars[];
299 extern const char *const impure_vars[];
300 extern const char *const hdr_defs[];
301 extern const char *const hdr_vars[];
302 extern const char *const body_1[];
303 extern const char *const body_vars[];
304 extern const char *const body_2[];
305 extern const char *const trailer[];
307 extern char *code_file_name;
308 extern char *input_file_name;
309 extern char *defines_file_name;
310 extern char *externs_file_name;
312 extern FILE *action_file;
313 extern FILE *code_file;
314 extern FILE *defines_file;
315 extern FILE *externs_file;
316 extern FILE *input_file;
317 extern FILE *output_file;
318 extern FILE *text_file;
319 extern FILE *union_file;
320 extern FILE *verbose_file;
321 extern FILE *graph_file;
323 extern Value_t nitems;
324 extern Value_t nrules;
325 extern Value_t nsyms;
326 extern Value_t ntokens;
327 extern Value_t nvars;
330 extern char unionized;
331 extern char line_format[];
333 extern Value_t start_symbol;
334 extern char **symbol_name;
335 extern char **symbol_pname;
336 extern Value_t *symbol_value;
337 extern Value_t *symbol_prec;
338 extern char *symbol_assoc;
340 #if defined(YYBTYACC)
341 extern Value_t *symbol_pval;
342 extern char **symbol_destructor;
343 extern char **symbol_type_tag;
346 extern Value_t *ritem;
347 extern Value_t *rlhs;
348 extern Value_t *rrhs;
349 extern Value_t *rprec;
350 extern Assoc_t *rassoc;
352 extern Value_t **derives;
353 extern char *nullable;
355 extern bucket *first_symbol;
356 extern bucket *last_symbol;
359 extern core *first_state;
360 extern shifts *first_shift;
361 extern reductions *first_reduction;
362 extern Value_t *accessing_symbol;
363 extern core **state_table;
364 extern shifts **shift_table;
365 extern reductions **reduction_table;
367 extern Value_t *LAruleno;
368 extern Value_t *lookaheads;
369 extern Value_t *goto_map;
370 extern Value_t *from_state;
371 extern Value_t *to_state;
373 extern action **parser;
378 extern Value_t *SRconflicts;
379 extern Value_t *RRconflicts;
380 extern Value_t *defred;
381 extern Value_t *rules_used;
382 extern Value_t nunused;
383 extern Value_t final_state;
385 extern Value_t *itemset;
386 extern Value_t *itemsetend;
387 extern unsigned *ruleset;
389 extern param *lex_param;
390 extern param *parse_param;
392 /* global functions */
396 #define GCC_NORETURN __dead2
397 #elif defined(__dead)
398 #define GCC_NORETURN __dead
400 #define GCC_NORETURN /* nothing */
405 #if defined(__unused)
406 #define GCC_UNUSED __unused
408 #define GCC_UNUSED /* nothing */
412 #ifndef GCC_PRINTFLIKE
413 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
417 extern void closure(Value_t * nucleus, int n);
418 extern void finalize_closure(void);
419 extern void set_first_derives(void);
422 extern void arg_number_disagree_warning(int a_lineno, char *a_name);
423 extern void arg_type_disagree_warning(int a_lineno, int i, char *a_name);
424 extern void at_error(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
425 extern void at_warning(int a_lineno, int i);
426 extern void bad_formals(void) GCC_NORETURN;
427 extern void default_action_warning(void);
428 extern void destructor_redeclared_warning(int a_lineno, char *a_line, char *a_cptr);
429 extern void dollar_error(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
430 extern void dollar_warning(int a_lineno, int i);
431 extern void fatal(const char *msg) GCC_NORETURN;
432 extern void illegal_character(char *c_cptr) GCC_NORETURN;
433 extern void illegal_tag(int t_lineno, char *t_line, char *t_cptr) GCC_NORETURN;
434 extern void missing_brace(void) GCC_NORETURN;
435 extern void no_grammar(void) GCC_NORETURN;
436 extern void no_space(void) GCC_NORETURN;
437 extern void open_error(const char *filename) GCC_NORETURN;
438 extern void over_unionized(char *u_cptr) GCC_NORETURN;
439 extern void prec_redeclared(void);
440 extern void reprec_warning(char *s);
441 extern void restarted_warning(void);
442 extern void retyped_warning(char *s);
443 extern void revalued_warning(char *s);
444 extern void start_requires_args(char *a_name);
445 extern void syntax_error(int st_lineno, char *st_line, char *st_cptr) GCC_NORETURN;
446 extern void terminal_lhs(int s_lineno) GCC_NORETURN;
447 extern void terminal_start(char *s) GCC_NORETURN;
448 extern void tokenized_start(char *s) GCC_NORETURN;
449 extern void undefined_goal(char *s) GCC_NORETURN;
450 extern void undefined_symbol_warning(char *s);
451 extern void unexpected_EOF(void) GCC_NORETURN;
452 extern void unknown_arg_warning(int d_lineno, const char *dlr_opt, const char *d_arg, const char *d_line, const char *d_cptr);
453 extern void unknown_rhs(int i) GCC_NORETURN;
454 extern void unsupported_flag_warning(const char *flag, const char *details);
455 extern void unterminated_action(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
456 extern void unterminated_comment(int c_lineno, char *c_line, char *c_cptr) GCC_NORETURN;
457 extern void unterminated_string(int s_lineno, char *s_line, char *s_cptr) GCC_NORETURN;
458 extern void unterminated_text(int t_lineno, char *t_line, char *t_cptr) GCC_NORETURN;
459 extern void unterminated_union(int u_lineno, char *u_line, char *u_cptr) GCC_NORETURN;
460 extern void untyped_arg_warning(int a_lineno, const char *dlr_opt, const char *a_name);
461 extern void untyped_lhs(void) GCC_NORETURN;
462 extern void untyped_rhs(int i, char *s) GCC_NORETURN;
463 extern void used_reserved(char *s) GCC_NORETURN;
464 extern void unterminated_arglist(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
465 extern void wrong_number_args_warning(const char *which, const char *a_name);
466 extern void wrong_type_for_arg_warning(int i, char *a_name);
469 extern void graph(void);
472 extern void lalr(void);
475 extern void lr0(void);
476 extern void show_cores(void);
477 extern void show_ritems(void);
478 extern void show_rrhs(void);
479 extern void show_shifts(void);
482 extern void *allocate(size_t n);
483 extern void done(int k) GCC_NORETURN;
486 extern void free_parser(void);
487 extern void make_parser(void);
492 char *base, *ptr, *end;
495 extern void msprintf(struct mstring *, const char *, ...) GCC_PRINTFLIKE(2,3);
496 extern int mputchar(struct mstring *, int);
497 extern struct mstring *msnew(void);
498 extern char *msdone(struct mstring *);
499 extern int strnscmp(const char *, const char *);
500 extern unsigned int strnshash(const char *);
502 #define mputc(m, ch) (((m)->ptr == (m)->end) \
504 : (*(m)->ptr++ = (char) (ch)))
507 extern void output(void);
510 extern void reader(void);
512 /* skeleton.c (generated by skel2c) */
513 extern void write_section(FILE * fp, const char *const section[]);
516 extern bucket *make_bucket(const char *);
517 extern bucket *lookup(const char *);
518 extern void create_symbol_table(void);
519 extern void free_symbol_table(void);
520 extern void free_symbols(void);
523 extern void verbose(void);
526 extern void reflexive_transitive_closure(unsigned *R, int n);
530 extern void print_closure(int n);
531 extern void print_EFF(void);
532 extern void print_first_derives(void);
534 extern void print_derives(void);
538 extern void lr0_leaks(void);
539 extern void lalr_leaks(void);
540 extern void mkpar_leaks(void);
541 extern void output_leaks(void);
542 extern void mstring_leaks(void);
543 extern void reader_leaks(void);