1 /* $Id: defs.h,v 1.31 2010/12/27 01:21:59 tom Exp $ */
17 #define CONCAT(first,second) first #second
18 #define CONCAT1(string,number) CONCAT(string, number)
19 #define CONCAT2(first,second) #first "." #second
22 #define VSTRING(a,b) CONCAT2(a,b) CONCAT1(" ",YYPATCH)
24 #define VSTRING(a,b) CONCAT2(a,b)
27 #define VERSION VSTRING(YYMAJOR, YYMINOR)
29 /* machine-dependent definitions */
30 /* the following definitions are for the Tahoe */
31 /* they might have to be changed for other machines */
33 /* MAXCHAR is the largest unsigned character value */
34 /* MAXSHORT is the largest value of a C short */
35 /* MINSHORT is the most negative value of a C short */
36 /* MAXTABLE is the maximum table size */
37 /* BITS_PER_WORD is the number of bits in a C unsigned */
38 /* WORDSIZE computes the number of words needed to */
40 /* BIT returns the value of the n-th bit starting */
41 /* from r (0-indexed) */
42 /* SETBIT sets the n-th bit starting from r */
45 #define MAXSHORT 32767
46 #define MINSHORT -32768
47 #define MAXTABLE 32500
48 #define BITS_PER_WORD 32
49 #define WORDSIZE(n) (((n)+(BITS_PER_WORD-1))/BITS_PER_WORD)
50 #define BIT(r, n) ((((r)[(n)>>5])>>((n)&31))&1)
51 #define SETBIT(r, n) ((r)[(n)>>5]|=((unsigned)1<<((n)&31)))
55 #define NUL '\0' /* the null character */
56 #define NEWLINE '\n' /* line feed */
57 #define SP ' ' /* space */
58 #define BS '\b' /* backspace */
59 #define HT '\t' /* horizontal tab */
60 #define VT '\013' /* vertical tab */
61 #define CR '\r' /* carriage return */
62 #define FF '\f' /* form feed */
63 #define QUOTE '\'' /* single quote */
64 #define DOUBLE_QUOTE '\"' /* double quote */
65 #define BACKSLASH '\\' /* backslash */
67 #define UCH(c) (unsigned char)(c)
69 /* defines for constructing filenames */
72 #define CODE_SUFFIX "_code.c"
73 #define DEFINES_SUFFIX "_tab.h"
74 #define OUTPUT_SUFFIX "_tab.c"
76 #define CODE_SUFFIX ".code.c"
77 #define DEFINES_SUFFIX ".tab.h"
78 #define OUTPUT_SUFFIX ".tab.c"
80 #define VERBOSE_SUFFIX ".output"
81 #define GRAPH_SUFFIX ".dot"
97 #define PURE_PARSER 12
98 #define PARSE_PARAM 13
100 #define POSIX_YACC 15
108 /* the undefined value */
110 #define UNDEFINED (-1)
117 /* character macros */
119 #define IS_IDENT(c) (isalnum(c) || (c) == '_' || (c) == '.' || (c) == '$')
120 #define IS_OCTAL(c) ((c) >= '0' && (c) <= '7')
121 #define NUMERIC_VALUE(c) ((c) - '0')
125 #define ISTOKEN(s) ((s) < start_symbol)
126 #define ISVAR(s) ((s) >= start_symbol)
128 /* storage allocation macros */
130 #define CALLOC(k,n) (calloc((size_t)(k),(size_t)(n)))
131 #define FREE(x) (free((char*)(x)))
132 #define MALLOC(n) (malloc((size_t)(n)))
133 #define NEW(t) ((t*)allocate(sizeof(t)))
134 #define NEW2(n,t) ((t*)allocate(((size_t)(n)*sizeof(t))))
135 #define REALLOC(p,n) (realloc((char*)(p),(size_t)(n)))
137 #define DO_FREE(x) if (x) { FREE(x); x = 0; }
139 #define NO_SPACE(p) if (p == 0) no_space(); assert(p != 0)
142 #define PLURAL(n) ((n) > 1 ? "s" : "")
144 typedef char Assoc_t;
145 typedef char Class_t;
146 typedef short Index_t;
147 typedef short Value_t;
149 /* the structure of a symbol table entry */
151 typedef struct bucket bucket;
165 /* the structure of the LR(0) state machine */
167 typedef struct core core;
173 Value_t accessing_symbol;
178 /* the structure used to record shifts */
180 typedef struct shifts shifts;
189 /* the structure used to store reductions */
191 typedef struct reductions reductions;
194 struct reductions *next;
200 /* the structure used to represent parser actions */
202 typedef struct action action;
214 /* the structure used to store parse/lex parameters */
215 typedef struct param param;
219 char *name; /* parameter name */
220 char *type; /* everything before parameter name */
221 char *type2; /* everything after parameter name */
224 /* global variables */
232 extern const char *symbol_prefix;
234 extern const char *myname;
239 extern int exit_code;
240 extern int pure_parser;
242 extern const char *banner[];
243 extern const char *xdecls[];
244 extern const char *tables[];
245 extern const char *hdr_defs[];
246 extern const char *hdr_vars[];
247 extern const char *body_1[];
248 extern const char *body_vars[];
249 extern const char *body_2[];
250 extern const char *body_3[];
251 extern const char *trailer[];
252 extern const char *trailer_2[];
254 extern char *code_file_name;
255 extern char *input_file_name;
257 extern FILE *action_file;
258 extern FILE *code_file;
259 extern FILE *defines_file;
260 extern FILE *input_file;
261 extern FILE *output_file;
262 extern FILE *text_file;
263 extern FILE *union_file;
264 extern FILE *verbose_file;
265 extern FILE *graph_file;
274 extern char unionized;
275 extern char line_format[];
277 extern Value_t start_symbol;
278 extern char **symbol_name;
279 extern char **symbol_pname;
280 extern Value_t *symbol_value;
281 extern Value_t *symbol_prec;
282 extern char *symbol_assoc;
284 extern Value_t *ritem;
285 extern Value_t *rlhs;
286 extern Value_t *rrhs;
287 extern Value_t *rprec;
288 extern Assoc_t *rassoc;
290 extern Value_t **derives;
291 extern char *nullable;
293 extern bucket *first_symbol;
294 extern bucket *last_symbol;
296 extern int pure_parser;
298 extern core *first_state;
299 extern shifts *first_shift;
300 extern reductions *first_reduction;
301 extern Value_t *accessing_symbol;
302 extern core **state_table;
303 extern shifts **shift_table;
304 extern reductions **reduction_table;
306 extern Value_t *LAruleno;
307 extern Value_t *lookaheads;
308 extern Value_t *goto_map;
309 extern Value_t *from_state;
310 extern Value_t *to_state;
312 extern action **parser;
317 extern Value_t *SRconflicts;
318 extern Value_t *RRconflicts;
319 extern Value_t *defred;
320 extern Value_t *rules_used;
321 extern Value_t nunused;
322 extern Value_t final_state;
324 extern Value_t *itemset;
325 extern Value_t *itemsetend;
326 extern unsigned *ruleset;
328 extern param *lex_param;
329 extern param *parse_param;
331 /* global functions */
333 extern bucket *lookup(const char *);
334 extern bucket *make_bucket(const char *);
337 #define GCC_NORETURN /* nothing */
341 #define GCC_UNUSED /* nothing */
345 extern void closure(Value_t * nucleus, int n);
346 extern void finalize_closure(void);
347 extern void set_first_derives(void);
350 extern void default_action_warning(void);
351 extern void dollar_error(int a_lineno, char *a_line, char *a_cptr);
352 extern void dollar_warning(int a_lineno, int i);
353 extern void fatal(const char *msg);
354 extern void illegal_character(char *c_cptr);
355 extern void illegal_tag(int t_lineno, char *t_line, char *t_cptr);
356 extern void no_grammar(void);
357 extern void no_space(void);
358 extern void open_error(const char *filename);
359 extern void over_unionized(char *u_cptr);
360 extern void prec_redeclared(void);
361 extern void reprec_warning(char *s);
362 extern void restarted_warning(void);
363 extern void retyped_warning(char *s);
364 extern void revalued_warning(char *s);
365 extern void syntax_error(int st_lineno, char *st_line, char *st_cptr) GCC_NORETURN;
366 extern void terminal_lhs(int s_lineno);
367 extern void terminal_start(char *s);
368 extern void tokenized_start(char *s);
369 extern void undefined_goal(char *s);
370 extern void undefined_symbol_warning(char *s);
371 extern void unexpected_EOF(void);
372 extern void unknown_rhs(int i);
373 extern void unterminated_action(int a_lineno, char *a_line, char *a_cptr);
374 extern void unterminated_comment(int c_lineno, char *c_line, char *c_cptr);
375 extern void unterminated_string(int s_lineno, char *s_line, char *s_cptr);
376 extern void unterminated_text(int t_lineno, char *t_line, char *t_cptr);
377 extern void unterminated_union(int u_lineno, char *u_line, char *u_cptr);
378 extern void untyped_lhs(void);
379 extern void untyped_rhs(int i, char *s);
380 extern void used_reserved(char *s);
383 extern void graph(void);
386 extern void create_symbol_table(void);
387 extern void free_symbol_table(void);
388 extern void free_symbols(void);
391 extern void lalr(void);
394 extern void lr0(void);
395 extern void show_cores(void);
396 extern void show_ritems(void);
397 extern void show_rrhs(void);
398 extern void show_shifts(void);
401 extern void *allocate(size_t n);
402 extern void done(int k) GCC_NORETURN;
405 extern void free_parser(void);
406 extern void make_parser(void);
409 extern void output(void);
412 extern void reader(void);
415 extern void write_section(const char *section[]);
418 extern void verbose(void);
421 extern void reflexive_transitive_closure(unsigned *R, int n);
424 extern void lr0_leaks(void);
425 extern void lalr_leaks(void);
426 extern void mkpar_leaks(void);
427 extern void output_leaks(void);
428 extern void reader_leaks(void);