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#include <assert.h>
#include <ctype.h>
#include <stdio.h>
/* machine-dependent definitions *//* the following definitions are for the Tahoe *//* they might have to be changed for other machines */
/* MAXCHAR is the largest unsigned character value *//* MAXSHORT is the largest value of a C short *//* MINSHORT is the most negative value of a C short *//* MAXTABLE is the maximum table size *//* BITS_PER_WORD is the number of bits in a C unsigned *//* WORDSIZE computes the number of words needed to *//* store n bits *//* BIT returns the value of the n-th bit starting *//* from r (0-indexed) *//* SETBIT sets the n-th bit starting from r */
#define MAXCHAR 255
#define MAXSHORT 32767
#define MINSHORT -32768
#define MAXTABLE 32500
#define BITS_PER_WORD 32
#define WORDSIZE(n) (((n)+(BITS_PER_WORD-1))/BITS_PER_WORD)
#define BIT(r, n) ((((r)[(n)>>5])>>((n)&31))&1)
#define SETBIT(r, n) ((r)[(n)>>5]|=((unsigned)1<<((n)&31)))
/* character names */
#define NUL '\0' /* the null character */
#define NEWLINE '\n' /* line feed */
#define SP ' ' /* space */
#define BS '\b' /* backspace */
#define HT '\t' /* horizontal tab */
#define VT '\013' /* vertical tab */
#define CR '\r' /* carriage return */
#define FF '\f' /* form feed */
#define QUOTE '\'' /* single quote */
#define DOUBLE_QUOTE '\"' /* double quote */
#define BACKSLASH '\\' /* backslash */
/* defines for constructing filenames */
#define CODE_SUFFIX ".code.c"
#define DEFINES_SUFFIX ".tab.h"
#define OUTPUT_SUFFIX ".tab.c"
#define VERBOSE_SUFFIX ".output"
/* keyword codes */
#define TOKEN 0
#define LEFT 1
#define RIGHT 2
#define NONASSOC 3
#define MARK 4
#define TEXT 5
#define TYPE 6
#define START 7
#define UNION 8
#define IDENT 9
/* symbol classes */
#define UNKNOWN 0
#define TERM 1
#define NONTERM 2
/* the undefined value */
#define UNDEFINED (-1)
/* action codes */
#define SHIFT 1
#define REDUCE 2
/* character macros */
#define IS_IDENT(c) (isalnum(c) || (c) == '_' || (c) == '.' || (c) == '$')
#define IS_OCTAL(c) ((c) >= '0' && (c) <= '7')
#define NUMERIC_VALUE(c) ((c) - '0')
/* symbol macros */
#define ISTOKEN(s) ((s) < start_symbol)
#define ISVAR(s) ((s) >= start_symbol)
/* storage allocation macros */
#define CALLOC(k,n) (calloc((unsigned)(k),(unsigned)(n)))
#define FREE(x) (free((char*)(x)))
#define MALLOC(n) (malloc((unsigned)(n)))
#define NEW(t) ((t*)allocate(sizeof(t)))
#define NEW2(n,t) ((t*)allocate((unsigned)((n)*sizeof(t))))
#define REALLOC(p,n) (realloc((char*)(p),(unsigned)(n)))
/* the structure of a symbol table entry */
typedef struct bucket bucket;struct bucket{ struct bucket *link; struct bucket *next; char *name; char *tag; short value; short index; short prec; char class; char assoc;};
/* the structure of the LR(0) state machine */
typedef struct core core;struct core{ struct core *next; struct core *link; short number; short accessing_symbol; short nitems; short items[1];};
/* the structure used to record shifts */
typedef struct shifts shifts;struct shifts{ struct shifts *next; short number; short nshifts; short shift[1];};
/* the structure used to store reductions */
typedef struct reductions reductions;struct reductions{ struct reductions *next; short number; short nreds; short rules[1];};
/* the structure used to represent parser actions */
typedef struct action action;struct action{ struct action *next; short symbol; short number; short prec; char action_code; char assoc; char suppressed;};
/* global variables */
extern char dflag;extern char lflag;extern char rflag;extern char tflag;extern char vflag;extern char *symbol_prefix;
extern char *myname;extern char *cptr;extern char *line;extern int lineno;extern int outline;
extern char *banner[];extern char *tables[];#if defined (TRIPLISH)
extern char *includefiles[];#endif
#if defined(KYLEP_CHANGE)
extern char *header1[];extern char *header2[];extern char *header3[];#if defined (TRIPLISH)
extern char *header4[];#endif
#else
extern char *header[];#endif
extern char *body[];extern char *trailer[];#if defined (TRIPLISH)
extern char *TriplishBody[];extern char *TriplishTrailer[];#endif
extern char *action_file_name;extern char *code_file_name;extern char *defines_file_name;extern char *input_file_name;extern char *output_file_name;extern char *text_file_name;extern char *union_file_name;extern char *verbose_file_name;
extern FILE *action_file;extern FILE *code_file;extern FILE *defines_file;extern FILE *input_file;extern FILE *output_file;extern FILE *text_file;extern FILE *union_file;extern FILE *verbose_file;
extern int nitems;extern int nrules;extern int nsyms;extern int ntokens;extern int nvars;extern int ntags;
extern char unionized;extern char line_format[];
extern int start_symbol;extern char **symbol_name;extern short *symbol_value;extern short *symbol_prec;extern char *symbol_assoc;
extern short *ritem;extern short *rlhs;extern short *rrhs;extern short *rprec;extern char *rassoc;
extern short **derives;extern char *nullable;
extern bucket *first_symbol;extern bucket *last_symbol;
extern int nstates;extern core *first_state;extern shifts *first_shift;extern reductions *first_reduction;extern short *accessing_symbol;extern core **state_table;extern shifts **shift_table;extern reductions **reduction_table;extern unsigned *LA;extern short *LAruleno;extern short *lookaheads;extern short *goto_map;extern short *from_state;extern short *to_state;
extern action **parser;extern int SRtotal;extern int RRtotal;extern short *SRconflicts;extern short *RRconflicts;extern short *defred;extern short *rules_used;extern short nunused;extern short final_state;
/* global functions */
extern char *allocate();extern bucket *lookup();extern bucket *make_bucket();
/* system variables */
extern int errno;
/* system functions */#if defined(KYLEP_CHANGE)
#include <stdlib.h>
#include <string.h>
#include <io.h>
#define mktemp _mktemp
#define unlink _unlink
#else
extern void free(); extern char *calloc(); extern char *malloc(); extern char *realloc(); extern char *strcpy();#endif // KYLEP_CHANGE
#if defined(KYLEP_CHANGE)
extern char *baseclass;extern char *ctorargs;
/* BYACC prototypes, with type safety */void reflexive_transitive_closure( unsigned * R, int n );void set_first_derives();void closure( short * nucleus, int n );void finalize_closure();
/* From main.c */int done( int k );
/* From error.c */void no_space();void fatal( char * msg );void open_error( char * filename );void unterminated_comment( int c_lineno, char * c_line, char * c_cptr );void unterminated_string( int s_lineno, char * s_line, char * s_cptr );void unterminated_text( int t_lineno, char * t_line, char * t_cptr );void unterminated_union( int u_lineno, char * u_line, char * u_cptr );void syntax_error( int st_lineno, char * st_line, char * st_cptr );void unexpected_EOF();void over_unionized( char * u_cptr );void illegal_character( char * c_cptr );void used_reserved( char * s );void illegal_tag( int t_lineno, char * t_line, char * t_cptr );void tokenized_start( char * s );void retyped_warning( char * s );void reprec_warning( char * s );void revalued_warning( char * s );void terminal_start( char * s );void restarted_warning();void no_grammar();void terminal_lhs( int s_lineno );void default_action_warning();void dollar_warning( int a_lineno, int i );void dollar_error( int a_lineno, char * a_line, char * a_cptr );void untyped_lhs();void unknown_rhs( int i );void untyped_rhs( int i, char * s );void unterminated_action( int a_lineno, char * a_line, char * a_cptr );void prec_redeclared();void undefined_goal( char * s );void undefined_symbol_warning( char * s );
/* From reader.c */void reader();
/* From lr0.c */void lr0();
/* From lalr.c */void lalr();
/* From mkpar.c */void make_parser();void free_parser();
/* From verbose.c */void verbose();
/* From output.c */void output();
/* From skeleton.c */void write_section( char * section[], FILE * f );
/* From symtab.c */void create_symbol_table();void free_symbol_table();void free_symbols();
#if defined (TRIPLISH)
enum eParser{ eSQLParser, eTriplishParser};#endif
#endif //KYLEP_CHANGE
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