1 /* $Id: defs.h,v 1.36 2011/12/20 01:31:16 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 EXTERNS_SUFFIX "_tab.i"
75 #define OUTPUT_SUFFIX "_tab.c"
77 #define CODE_SUFFIX ".code.c"
78 #define DEFINES_SUFFIX ".tab.h"
79 #define EXTERNS_SUFFIX ".tab.i"
80 #define OUTPUT_SUFFIX ".tab.c"
82 #define VERBOSE_SUFFIX ".output"
83 #define GRAPH_SUFFIX ".dot"
99 #define PURE_PARSER 12
100 #define PARSE_PARAM 13
102 #define POSIX_YACC 15
110 /* the undefined value */
112 #define UNDEFINED (-1)
119 /* character macros */
121 #define IS_IDENT(c) (isalnum(c) || (c) == '_' || (c) == '.' || (c) == '$')
122 #define IS_OCTAL(c) ((c) >= '0' && (c) <= '7')
123 #define NUMERIC_VALUE(c) ((c) - '0')
127 #define ISTOKEN(s) ((s) < start_symbol)
128 #define ISVAR(s) ((s) >= start_symbol)
130 /* storage allocation macros */
132 #define CALLOC(k,n) (calloc((size_t)(k),(size_t)(n)))
133 #define FREE(x) (free((char*)(x)))
134 #define MALLOC(n) (malloc((size_t)(n)))
135 #define NEW(t) ((t*)allocate(sizeof(t)))
136 #define NEW2(n,t) ((t*)allocate(((size_t)(n)*sizeof(t))))
137 #define REALLOC(p,n) (realloc((char*)(p),(size_t)(n)))
139 #define DO_FREE(x) if (x) { FREE(x); x = 0; }
141 #define NO_SPACE(p) if (p == 0) no_space(); assert(p != 0)
144 #define PLURAL(n) ((n) > 1 ? "s" : "")
146 typedef char Assoc_t;
147 typedef char Class_t;
148 typedef short Index_t;
149 typedef short Value_t;
151 /* the structure of a symbol table entry */
153 typedef struct bucket bucket;
167 /* the structure of the LR(0) state machine */
169 typedef struct core core;
175 Value_t accessing_symbol;
180 /* the structure used to record shifts */
182 typedef struct shifts shifts;
191 /* the structure used to store reductions */
193 typedef struct reductions reductions;
196 struct reductions *next;
202 /* the structure used to represent parser actions */
204 typedef struct action action;
216 /* the structure used to store parse/lex parameters */
217 typedef struct param param;
221 char *name; /* parameter name */
222 char *type; /* everything before parameter name */
223 char *type2; /* everything after parameter name */
226 /* global variables */
236 extern const char *symbol_prefix;
238 extern const char *myname;
243 extern int exit_code;
244 extern int pure_parser;
246 extern const char *const banner[];
247 extern const char *const xdecls[];
248 extern const char *const tables[];
249 extern const char *const global_vars[];
250 extern const char *const impure_vars[];
251 extern const char *const hdr_defs[];
252 extern const char *const hdr_vars[];
253 extern const char *const body_1[];
254 extern const char *const body_vars[];
255 extern const char *const body_2[];
256 extern const char *const body_3[];
257 extern const char *const trailer[];
258 extern const char *const trailer_2[];
260 extern char *code_file_name;
261 extern char *input_file_name;
262 extern char *defines_file_name;
263 extern char *externs_file_name;
265 extern FILE *action_file;
266 extern FILE *code_file;
267 extern FILE *defines_file;
268 extern FILE *externs_file;
269 extern FILE *input_file;
270 extern FILE *output_file;
271 extern FILE *text_file;
272 extern FILE *union_file;
273 extern FILE *verbose_file;
274 extern FILE *graph_file;
283 extern char unionized;
284 extern char line_format[];
286 extern Value_t start_symbol;
287 extern char **symbol_name;
288 extern char **symbol_pname;
289 extern Value_t *symbol_value;
290 extern Value_t *symbol_prec;
291 extern char *symbol_assoc;
293 extern Value_t *ritem;
294 extern Value_t *rlhs;
295 extern Value_t *rrhs;
296 extern Value_t *rprec;
297 extern Assoc_t *rassoc;
299 extern Value_t **derives;
300 extern char *nullable;
302 extern bucket *first_symbol;
303 extern bucket *last_symbol;
305 extern int pure_parser;
307 extern core *first_state;
308 extern shifts *first_shift;
309 extern reductions *first_reduction;
310 extern Value_t *accessing_symbol;
311 extern core **state_table;
312 extern shifts **shift_table;
313 extern reductions **reduction_table;
315 extern Value_t *LAruleno;
316 extern Value_t *lookaheads;
317 extern Value_t *goto_map;
318 extern Value_t *from_state;
319 extern Value_t *to_state;
321 extern action **parser;
326 extern Value_t *SRconflicts;
327 extern Value_t *RRconflicts;
328 extern Value_t *defred;
329 extern Value_t *rules_used;
330 extern Value_t nunused;
331 extern Value_t final_state;
333 extern Value_t *itemset;
334 extern Value_t *itemsetend;
335 extern unsigned *ruleset;
337 extern param *lex_param;
338 extern param *parse_param;
340 /* global functions */
342 extern bucket *lookup(const char *);
343 extern bucket *make_bucket(const char *);
346 #define GCC_NORETURN /* nothing */
350 #define GCC_UNUSED /* nothing */
354 extern void closure(Value_t * nucleus, int n);
355 extern void finalize_closure(void);
356 extern void set_first_derives(void);
359 extern void default_action_warning(void);
360 extern void dollar_error(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
361 extern void dollar_warning(int a_lineno, int i);
362 extern void fatal(const char *msg) GCC_NORETURN;
363 extern void illegal_character(char *c_cptr) GCC_NORETURN;
364 extern void illegal_tag(int t_lineno, char *t_line, char *t_cptr) GCC_NORETURN;
365 extern void missing_brace(void) GCC_NORETURN;
366 extern void no_grammar(void) GCC_NORETURN;
367 extern void no_space(void) GCC_NORETURN;
368 extern void open_error(const char *filename) GCC_NORETURN;
369 extern void over_unionized(char *u_cptr) GCC_NORETURN;
370 extern void prec_redeclared(void);
371 extern void reprec_warning(char *s);
372 extern void restarted_warning(void);
373 extern void retyped_warning(char *s);
374 extern void revalued_warning(char *s);
375 extern void syntax_error(int st_lineno, char *st_line, char *st_cptr) GCC_NORETURN;
376 extern void terminal_lhs(int s_lineno) GCC_NORETURN;
377 extern void terminal_start(char *s) GCC_NORETURN;
378 extern void tokenized_start(char *s) GCC_NORETURN;
379 extern void undefined_goal(char *s) GCC_NORETURN;
380 extern void undefined_symbol_warning(char *s);
381 extern void unexpected_EOF(void) GCC_NORETURN;
382 extern void unknown_rhs(int i) GCC_NORETURN;
383 extern void unterminated_action(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN;
384 extern void unterminated_comment(int c_lineno, char *c_line, char *c_cptr) GCC_NORETURN;
385 extern void unterminated_string(int s_lineno, char *s_line, char *s_cptr) GCC_NORETURN;
386 extern void unterminated_text(int t_lineno, char *t_line, char *t_cptr) GCC_NORETURN;
387 extern void unterminated_union(int u_lineno, char *u_line, char *u_cptr) GCC_NORETURN;
388 extern void untyped_lhs(void) GCC_NORETURN;
389 extern void untyped_rhs(int i, char *s) GCC_NORETURN;
390 extern void used_reserved(char *s) GCC_NORETURN;
393 extern void graph(void);
396 extern void create_symbol_table(void);
397 extern void free_symbol_table(void);
398 extern void free_symbols(void);
401 extern void lalr(void);
404 extern void lr0(void);
405 extern void show_cores(void);
406 extern void show_ritems(void);
407 extern void show_rrhs(void);
408 extern void show_shifts(void);
411 extern void *allocate(size_t n);
412 extern void done(int k) GCC_NORETURN;
415 extern void free_parser(void);
416 extern void make_parser(void);
419 extern void output(void);
422 extern void reader(void);
425 extern void write_section(FILE *fp, const char *const section[]);
428 extern void verbose(void);
431 extern void reflexive_transitive_closure(unsigned *R, int n);
434 extern void lr0_leaks(void);
435 extern void lalr_leaks(void);
436 extern void mkpar_leaks(void);
437 extern void output_leaks(void);
438 extern void reader_leaks(void);