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