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|
%{
/* SCCS Id: @(#)dgn_lex.c 3.4 2002/03/27 */
/* Copyright (c) 1989 by Jean-Christophe Collet */
/* Copyright (c) 1990 by M. Stephenson */
/* NetHack may be freely redistributed. See license for details. */
#define DGN_COMP
#include "config.h"
#include "dgn_comp.h"
#include "dgn_file.h"
/*
* Most of these don't exist in flex, yywrap is macro and
* yyunput is properly declared in flex.skel.
*/
#if !defined(FLEX_SCANNER) && !defined(FLEXHACK_SCANNER)
int FDECL(yyback, (int *,int));
int NDECL(yylook);
int NDECL(yyinput);
int NDECL(yywrap);
int NDECL(yylex);
/* Traditional lexes let yyunput() and yyoutput() default to int;
* newer ones may declare them as void since they don't return
* values. For even more fun, the lex supplied as part of the
* newer unbundled compiler for SunOS 4.x adds the void declarations
* (under __STDC__ or _cplusplus ifdefs -- otherwise they remain
* int) while the bundled lex and the one with the older unbundled
* compiler do not. To detect this, we need help from outside --
* sys/unix/Makefile.utl.
*
* Digital UNIX is difficult and still has int in spite of all
* other signs.
*/
# if defined(NeXT) || defined(SVR4) || defined(_AIX32)
# define VOIDYYPUT
# endif
# if !defined(VOIDYYPUT) && defined(POSIX_TYPES)
# if !defined(BOS) && !defined(HISX) && !defined(_M_UNIX) && !defined(VMS)
# define VOIDYYPUT
# endif
# endif
# if !defined(VOIDYYPUT) && defined(WEIRD_LEX)
# if defined(SUNOS4) && defined(__STDC__) && (WEIRD_LEX > 1)
# define VOIDYYPUT
# endif
# endif
# if defined(VOIDYYPUT) && defined(__osf__)
# undef VOIDYYPUT
# endif
# ifdef VOIDYYPUT
void FDECL(yyunput, (int));
void FDECL(yyoutput, (int));
# else
int FDECL(yyunput, (int));
int FDECL(yyoutput, (int));
# endif
#endif /* !FLEX_SCANNER && !FLEXHACK_SCANNER */
#ifdef FLEX_SCANNER
#define YY_MALLOC_DECL \
genericptr_t FDECL(malloc, (size_t)); \
genericptr_t FDECL(realloc, (genericptr_t,size_t));
#endif
void FDECL(init_yyin, (FILE *));
void FDECL(init_yyout, (FILE *));
/* this doesn't always get put in dgn_comp.h
* (esp. when using older versions of bison)
*/
extern YYSTYPE yylval;
int line_number = 1;
%}
%%
DUNGEON return(A_DUNGEON);
up { yylval.i=1; return(UP_OR_DOWN); }
down { yylval.i=0; return(UP_OR_DOWN); }
ENTRY return(ENTRY);
stair return(STAIR);
no_up return(NO_UP);
no_down return(NO_DOWN);
portal return(PORTAL);
PROTOFILE return(PROTOFILE);
DESCRIPTION return(DESCRIPTION);
LEVELDESC return(LEVELDESC);
ALIGNMENT return(ALIGNMENT);
LEVALIGN return(LEVALIGN);
town { yylval.i=TOWN ; return(DESCRIPTOR); }
hellish { yylval.i=HELLISH ; return(DESCRIPTOR); }
mazelike { yylval.i=MAZELIKE ; return(DESCRIPTOR); }
roguelike { yylval.i=ROGUELIKE ; return(DESCRIPTOR); }
unaligned { yylval.i=D_ALIGN_NONE ; return(DESCRIPTOR); }
noalign { yylval.i=D_ALIGN_NONE ; return(DESCRIPTOR); }
lawful { yylval.i=D_ALIGN_LAWFUL ; return(DESCRIPTOR); }
neutral { yylval.i=D_ALIGN_NEUTRAL ; return(DESCRIPTOR); }
chaotic { yylval.i=D_ALIGN_CHAOTIC ; return(DESCRIPTOR); }
BRANCH return(BRANCH);
CHAINBRANCH return(CHBRANCH);
LEVEL return(LEVEL);
RNDLEVEL return(RNDLEVEL);
CHAINLEVEL return(CHLEVEL);
RNDCHLEVEL return(RNDCHLEVEL);
[-0-9]+ { yylval.i=atoi(yytext); return(INTEGER); }
\"[^"]*\" { yytext[yyleng-1] = 0; /* Discard the trailing \" */
yylval.str = (char *) alloc(strlen(yytext+1)+1);
Strcpy(yylval.str, yytext+1); /* Discard the first \" */
return(STRING); }
^#.*\n { line_number++; }
\r?\n { line_number++; }
[ \t]+ ; /* skip trailing tabs & spaces */
. { return yytext[0]; }
%%
/* routine to switch to another input file; needed for flex */
void init_yyin( input_f )
FILE *input_f;
{
#if defined(FLEX_SCANNER) || defined(FLEXHACK_SCANNER)
if (yyin)
yyrestart(input_f);
else
#endif
yyin = input_f;
}
/* analogous routine (for completeness) */
void init_yyout( output_f )
FILE *output_f;
{
yyout = output_f;
}
/*dgn_comp.l*/
|
