defs.h revision 272954
1/* $Id: defs.h,v 1.49 2014/04/22 23:34:34 tom Exp $ */ 2 3#ifdef HAVE_CONFIG_H 4#include <config.h> 5#endif 6 7#include <limits.h> 8#include <stdlib.h> 9#include <string.h> 10#include <errno.h> 11#include <assert.h> 12#include <ctype.h> 13#include <stdio.h> 14 15#if defined(__cplusplus) /* __cplusplus, etc. */ 16#define class myClass 17#endif 18 19#define YYMAJOR 1 20#define YYMINOR 9 21 22#define CONCAT(first,second) first #second 23#define CONCAT1(string,number) CONCAT(string, number) 24#define CONCAT2(first,second) #first "." #second 25 26#ifdef YYPATCH 27#define VSTRING(a,b) CONCAT2(a,b) CONCAT1(" ",YYPATCH) 28#else 29#define VSTRING(a,b) CONCAT2(a,b) 30#endif 31 32#define VERSION VSTRING(YYMAJOR, YYMINOR) 33 34/* machine-dependent definitions: */ 35 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 */ 44/* store n bits */ 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 */ 48 49#define MAXCHAR UCHAR_MAX 50#ifndef MAXTABLE 51#define MAXTABLE 32500 52#endif 53#if MAXTABLE <= SHRT_MAX 54#define YYINT short 55#define MAXYYINT SHRT_MAX 56#define MINYYINT SHRT_MIN 57#elif MAXTABLE <= INT_MAX 58#define YYINT int 59#define MAXYYINT INT_MAX 60#define MINYYINT INT_MIN 61#else 62#error "MAXTABLE is too large for this machine architecture!" 63#endif 64 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)))) 69 70/* character names */ 71 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 */ 83 84#define UCH(c) (unsigned char)(c) 85 86/* defines for constructing filenames */ 87 88#if defined(VMS) 89#define CODE_SUFFIX "_code.c" 90#define DEFINES_SUFFIX "_tab.h" 91#define EXTERNS_SUFFIX "_tab.i" 92#define OUTPUT_SUFFIX "_tab.c" 93#else 94#define CODE_SUFFIX ".code.c" 95#define DEFINES_SUFFIX ".tab.h" 96#define EXTERNS_SUFFIX ".tab.i" 97#define OUTPUT_SUFFIX ".tab.c" 98#endif 99#define VERBOSE_SUFFIX ".output" 100#define GRAPH_SUFFIX ".dot" 101 102/* keyword codes */ 103 104#define TOKEN 0 105#define LEFT 1 106#define RIGHT 2 107#define NONASSOC 3 108#define MARK 4 109#define TEXT 5 110#define TYPE 6 111#define START 7 112#define UNION 8 113#define IDENT 9 114#define EXPECT 10 115#define EXPECT_RR 11 116#define PURE_PARSER 12 117#define PARSE_PARAM 13 118#define LEX_PARAM 14 119#define POSIX_YACC 15 120#define TOKEN_TABLE 16 121 122#if defined(YYBTYACC) 123#define LOCATIONS 17 124#define DESTRUCTOR 18 125#endif 126 127/* symbol classes */ 128 129#define UNKNOWN 0 130#define TERM 1 131#define NONTERM 2 132#define ACTION 3 133#define ARGUMENT 4 134 135/* the undefined value */ 136 137#define UNDEFINED (-1) 138 139/* action codes */ 140 141#define SHIFT 1 142#define REDUCE 2 143 144/* character macros */ 145 146#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') 149 150/* symbol macros */ 151 152#define ISTOKEN(s) ((s) < start_symbol) 153#define ISVAR(s) ((s) >= start_symbol) 154 155/* storage allocation macros */ 156 157#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 TCMALLOC(t,n) ((t*) calloc((size_t)(n), sizeof(t))) 161#define TMALLOC(t,n) ((t*) malloc((size_t)(n) * sizeof(t))) 162#define NEW(t) ((t*)allocate(sizeof(t))) 163#define NEW2(n,t) ((t*)allocate(((size_t)(n)*sizeof(t)))) 164#define REALLOC(p,n) (realloc((char*)(p),(size_t)(n))) 165#define TREALLOC(t,p,n) ((t*)realloc((char*)(p), (size_t)(n) * sizeof(t))) 166 167#define DO_FREE(x) if (x) { FREE(x); x = 0; } 168 169#define NO_SPACE(p) if (p == 0) no_space(); assert(p != 0) 170 171/* messages */ 172#define PLURAL(n) ((n) > 1 ? "s" : "") 173 174/* 175 * Features which depend indirectly on the btyacc configuration, but are not 176 * essential. 177 */ 178#if defined(YYBTYACC) 179#define USE_HEADER_GUARDS 1 180#else 181#define USE_HEADER_GUARDS 0 182#endif 183 184typedef char Assoc_t; 185typedef char Class_t; 186typedef YYINT Index_t; 187typedef YYINT Value_t; 188 189/* the structure of a symbol table entry */ 190 191typedef struct bucket bucket; 192struct bucket 193{ 194 struct bucket *link; 195 struct bucket *next; 196 char *name; 197 char *tag; 198#if defined(YYBTYACC) 199 char **argnames; 200 char **argtags; 201 int args; 202 char *destructor; 203#endif 204 Value_t value; 205 Index_t index; 206 Value_t prec; 207 Class_t class; 208 Assoc_t assoc; 209}; 210 211/* the structure of the LR(0) state machine */ 212 213typedef struct core core; 214struct core 215{ 216 struct core *next; 217 struct core *link; 218 Value_t number; 219 Value_t accessing_symbol; 220 Value_t nitems; 221 Value_t items[1]; 222}; 223 224/* the structure used to record shifts */ 225 226typedef struct shifts shifts; 227struct shifts 228{ 229 struct shifts *next; 230 Value_t number; 231 Value_t nshifts; 232 Value_t shift[1]; 233}; 234 235/* the structure used to store reductions */ 236 237typedef struct reductions reductions; 238struct reductions 239{ 240 struct reductions *next; 241 Value_t number; 242 Value_t nreds; 243 Value_t rules[1]; 244}; 245 246/* the structure used to represent parser actions */ 247 248typedef struct action action; 249struct action 250{ 251 struct action *next; 252 Value_t symbol; 253 Value_t number; 254 Value_t prec; 255 char action_code; 256 Assoc_t assoc; 257 char suppressed; 258}; 259 260/* the structure used to store parse/lex parameters */ 261typedef struct param param; 262struct param 263{ 264 struct param *next; 265 char *name; /* parameter name */ 266 char *type; /* everything before parameter name */ 267 char *type2; /* everything after parameter name */ 268}; 269 270/* global variables */ 271 272extern char dflag; 273extern char gflag; 274extern char iflag; 275extern char lflag; 276extern char rflag; 277extern char sflag; 278extern char tflag; 279extern char vflag; 280extern const char *symbol_prefix; 281 282extern const char *myname; 283extern char *cptr; 284extern char *line; 285extern int lineno; 286extern int outline; 287extern int exit_code; 288extern int pure_parser; 289extern int token_table; 290#if defined(YYBTYACC) 291extern int locations; 292extern int backtrack; 293extern int destructor; 294#endif 295 296extern const char *const banner[]; 297extern const char *const xdecls[]; 298extern const char *const tables[]; 299extern const char *const global_vars[]; 300extern const char *const impure_vars[]; 301extern const char *const hdr_defs[]; 302extern const char *const hdr_vars[]; 303extern const char *const body_1[]; 304extern const char *const body_vars[]; 305extern const char *const body_2[]; 306extern const char *const trailer[]; 307 308extern char *code_file_name; 309extern char *input_file_name; 310extern char *defines_file_name; 311extern char *externs_file_name; 312 313extern FILE *action_file; 314extern FILE *code_file; 315extern FILE *defines_file; 316extern FILE *externs_file; 317extern FILE *input_file; 318extern FILE *output_file; 319extern FILE *text_file; 320extern FILE *union_file; 321extern FILE *verbose_file; 322extern FILE *graph_file; 323 324extern Value_t nitems; 325extern Value_t nrules; 326extern Value_t nsyms; 327extern Value_t ntokens; 328extern Value_t nvars; 329extern int ntags; 330 331extern char unionized; 332extern char line_format[]; 333 334extern Value_t start_symbol; 335extern char **symbol_name; 336extern char **symbol_pname; 337extern Value_t *symbol_value; 338extern Value_t *symbol_prec; 339extern char *symbol_assoc; 340 341#if defined(YYBTYACC) 342extern Value_t *symbol_pval; 343extern char **symbol_destructor; 344extern char **symbol_type_tag; 345#endif 346 347extern Value_t *ritem; 348extern Value_t *rlhs; 349extern Value_t *rrhs; 350extern Value_t *rprec; 351extern Assoc_t *rassoc; 352 353extern Value_t **derives; 354extern char *nullable; 355 356extern bucket *first_symbol; 357extern bucket *last_symbol; 358 359extern int nstates; 360extern core *first_state; 361extern shifts *first_shift; 362extern reductions *first_reduction; 363extern Value_t *accessing_symbol; 364extern core **state_table; 365extern shifts **shift_table; 366extern reductions **reduction_table; 367extern unsigned *LA; 368extern Value_t *LAruleno; 369extern Value_t *lookaheads; 370extern Value_t *goto_map; 371extern Value_t *from_state; 372extern Value_t *to_state; 373 374extern action **parser; 375extern int SRexpect; 376extern int RRexpect; 377extern int SRtotal; 378extern int RRtotal; 379extern Value_t *SRconflicts; 380extern Value_t *RRconflicts; 381extern Value_t *defred; 382extern Value_t *rules_used; 383extern Value_t nunused; 384extern Value_t final_state; 385 386extern Value_t *itemset; 387extern Value_t *itemsetend; 388extern unsigned *ruleset; 389 390extern param *lex_param; 391extern param *parse_param; 392 393/* global functions */ 394 395#ifndef GCC_NORETURN 396#if defined(__dead2) 397#define GCC_NORETURN __dead2 398#elif defined(__dead) 399#define GCC_NORETURN __dead 400#else 401#define GCC_NORETURN /* nothing */ 402#endif 403#endif 404 405#ifndef GCC_UNUSED 406#if defined(__unused) 407#define GCC_UNUSED __unused 408#else 409#define GCC_UNUSED /* nothing */ 410#endif 411#endif 412 413#ifndef GCC_PRINTFLIKE 414#define GCC_PRINTFLIKE(fmt,var) /*nothing*/ 415#endif 416 417/* closure.c */ 418extern void closure(Value_t * nucleus, int n); 419extern void finalize_closure(void); 420extern void set_first_derives(void); 421 422/* error.c */ 423extern void arg_number_disagree_warning(int a_lineno, char *a_name); 424extern void arg_type_disagree_warning(int a_lineno, int i, char *a_name); 425extern void at_error(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN; 426extern void at_warning(int a_lineno, int i); 427extern void bad_formals(void) GCC_NORETURN; 428extern void default_action_warning(void); 429extern void destructor_redeclared_warning(int a_lineno, char *a_line, char *a_cptr); 430extern void dollar_error(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN; 431extern void dollar_warning(int a_lineno, int i); 432extern void fatal(const char *msg) GCC_NORETURN; 433extern void illegal_character(char *c_cptr) GCC_NORETURN; 434extern void illegal_tag(int t_lineno, char *t_line, char *t_cptr) GCC_NORETURN; 435extern void missing_brace(void) GCC_NORETURN; 436extern void no_grammar(void) GCC_NORETURN; 437extern void no_space(void) GCC_NORETURN; 438extern void open_error(const char *filename) GCC_NORETURN; 439extern void over_unionized(char *u_cptr) GCC_NORETURN; 440extern void prec_redeclared(void); 441extern void reprec_warning(char *s); 442extern void restarted_warning(void); 443extern void retyped_warning(char *s); 444extern void revalued_warning(char *s); 445extern void start_requires_args(char *a_name); 446extern void syntax_error(int st_lineno, char *st_line, char *st_cptr) GCC_NORETURN; 447extern void terminal_lhs(int s_lineno) GCC_NORETURN; 448extern void terminal_start(char *s) GCC_NORETURN; 449extern void tokenized_start(char *s) GCC_NORETURN; 450extern void undefined_goal(char *s) GCC_NORETURN; 451extern void undefined_symbol_warning(char *s); 452extern void unexpected_EOF(void) GCC_NORETURN; 453extern void unknown_arg_warning(int d_lineno, const char *dlr_opt, const char *d_arg, const char *d_line, const char *d_cptr); 454extern void unknown_rhs(int i) GCC_NORETURN; 455extern void unsupported_flag_warning(const char *flag, const char *details); 456extern void unterminated_action(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN; 457extern void unterminated_comment(int c_lineno, char *c_line, char *c_cptr) GCC_NORETURN; 458extern void unterminated_string(int s_lineno, char *s_line, char *s_cptr) GCC_NORETURN; 459extern void unterminated_text(int t_lineno, char *t_line, char *t_cptr) GCC_NORETURN; 460extern void unterminated_union(int u_lineno, char *u_line, char *u_cptr) GCC_NORETURN; 461extern void untyped_arg_warning(int a_lineno, const char *dlr_opt, const char *a_name); 462extern void untyped_lhs(void) GCC_NORETURN; 463extern void untyped_rhs(int i, char *s) GCC_NORETURN; 464extern void used_reserved(char *s) GCC_NORETURN; 465extern void unterminated_arglist(int a_lineno, char *a_line, char *a_cptr) GCC_NORETURN; 466extern void wrong_number_args_warning(const char *which, const char *a_name); 467extern void wrong_type_for_arg_warning(int i, char *a_name); 468 469/* graph.c */ 470extern void graph(void); 471 472/* lalr.c */ 473extern void lalr(void); 474 475/* lr0.c */ 476extern void lr0(void); 477extern void show_cores(void); 478extern void show_ritems(void); 479extern void show_rrhs(void); 480extern void show_shifts(void); 481 482/* main.c */ 483extern void *allocate(size_t n); 484extern void done(int k) GCC_NORETURN; 485 486/* mkpar.c */ 487extern void free_parser(void); 488extern void make_parser(void); 489 490/* mstring.c */ 491struct mstring 492{ 493 char *base, *ptr, *end; 494}; 495 496extern void msprintf(struct mstring *, const char *, ...) GCC_PRINTFLIKE(2,3); 497extern int mputchar(struct mstring *, int); 498extern struct mstring *msnew(void); 499extern char *msdone(struct mstring *); 500extern int strnscmp(const char *, const char *); 501extern unsigned int strnshash(const char *); 502 503#define mputc(m, ch) (((m)->ptr == (m)->end) \ 504 ? mputchar(m,ch) \ 505 : (*(m)->ptr++ = (char) (ch))) 506 507/* output.c */ 508extern void output(void); 509 510/* reader.c */ 511extern void reader(void); 512 513/* skeleton.c (generated by skel2c) */ 514extern void write_section(FILE * fp, const char *const section[]); 515 516/* symtab.c */ 517extern bucket *make_bucket(const char *); 518extern bucket *lookup(const char *); 519extern void create_symbol_table(void); 520extern void free_symbol_table(void); 521extern void free_symbols(void); 522 523/* verbose.c */ 524extern void verbose(void); 525 526/* warshall.c */ 527extern void reflexive_transitive_closure(unsigned *R, int n); 528 529#ifdef DEBUG 530 /* closure.c */ 531extern void print_closure(int n); 532extern void print_EFF(void); 533extern void print_first_derives(void); 534 /* lr0.c */ 535extern void print_derives(void); 536#endif 537 538#ifdef NO_LEAKS 539extern void lr0_leaks(void); 540extern void lalr_leaks(void); 541extern void mkpar_leaks(void); 542extern void output_leaks(void); 543extern void mstring_leaks(void); 544extern void reader_leaks(void); 545#endif 546