2 /* NetHack 3.6 dgn_comp.l $NHDT-Date: 1455415007 2016/02/14 01:56:47 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.13 $ */
3 /* Copyright (c) 1989 by Jean-Christophe Collet */
4 /* Copyright (c) 1990 by M. Stephenson */
5 /* NetHack may be freely redistributed. See license for details. */
14 * Most of these don't exist in flex, yywrap is macro and
15 * yyunput is properly declared in flex.skel.
17 #if !defined(FLEX_SCANNER) && !defined(FLEXHACK_SCANNER)
18 int FDECL(yyback, (int *,int));
23 /* Traditional lexes let yyunput() and yyoutput() default to int;
24 * newer ones may declare them as void since they don't return
25 * values. For even more fun, the lex supplied as part of the
26 * newer unbundled compiler for SunOS 4.x adds the void declarations
27 * (under __STDC__ or _cplusplus ifdefs -- otherwise they remain
28 * int) while the bundled lex and the one with the older unbundled
29 * compiler do not. To detect this, we need help from outside --
30 * sys/unix/Makefile.utl.
32 * Digital UNIX is difficult and still has int in spite of all
35 # if defined(NeXT) || defined(SVR4) || defined(_AIX32)
38 # if !defined(VOIDYYPUT) && defined(POSIX_TYPES)
39 # if !defined(BOS) && !defined(HISX) && !defined(_M_UNIX) && !defined(VMS)
43 # if !defined(VOIDYYPUT) && defined(WEIRD_LEX)
44 # if defined(SUNOS4) && defined(__STDC__) && (WEIRD_LEX > 1)
48 # if defined(VOIDYYPUT) && defined(__osf__)
52 void FDECL(yyunput, (int));
53 void FDECL(yyoutput, (int));
55 int FDECL(yyunput, (int));
56 int FDECL(yyoutput, (int));
59 #else /* !FLEX_SCANNER && !FLEXHACK_SCANNER */
60 /* most recent flex allows suppressing yyunput() altogether when not needed */
65 #if defined(FLEX_SCANNER) || defined(FLEXHACK_SCANNER)
66 /* older flex wants this */
67 #define YY_MALLOC_DECL genericptr_t FDECL(malloc, (size_t)); \
68 genericptr_t FDECL(realloc, (genericptr_t, size_t));
69 /* newer flex assumes <stdlib.h> so needs this in case it's been suppressed */
73 void FDECL(init_yyin, (FILE *));
74 void FDECL(init_yyout, (FILE *));
76 /* this doesn't always get put in dgn_comp.h
77 * (esp. when using older versions of bison)
79 extern YYSTYPE yylval;
81 int nh_line_number = 1;
85 DUNGEON return(A_DUNGEON);
86 up { yylval.i=1; return(UP_OR_DOWN); }
87 down { yylval.i=0; return(UP_OR_DOWN); }
91 no_down return(NO_DOWN);
92 portal return(PORTAL);
93 PROTOFILE return(PROTOFILE);
94 DESCRIPTION return(DESCRIPTION);
95 LEVELDESC return(LEVELDESC);
96 ALIGNMENT return(ALIGNMENT);
97 LEVALIGN return(LEVALIGN);
98 town { yylval.i=TOWN ; return(DESCRIPTOR); }
99 hellish { yylval.i=HELLISH ; return(DESCRIPTOR); }
100 mazelike { yylval.i=MAZELIKE ; return(DESCRIPTOR); }
101 roguelike { yylval.i=ROGUELIKE ; return(DESCRIPTOR); }
102 unaligned { yylval.i=D_ALIGN_NONE ; return(DESCRIPTOR); }
103 noalign { yylval.i=D_ALIGN_NONE ; return(DESCRIPTOR); }
104 lawful { yylval.i=D_ALIGN_LAWFUL ; return(DESCRIPTOR); }
105 neutral { yylval.i=D_ALIGN_NEUTRAL ; return(DESCRIPTOR); }
106 chaotic { yylval.i=D_ALIGN_CHAOTIC ; return(DESCRIPTOR); }
107 BRANCH return(BRANCH);
108 CHAINBRANCH return(CHBRANCH);
110 RNDLEVEL return(RNDLEVEL);
111 CHAINLEVEL return(CHLEVEL);
112 RNDCHLEVEL return(RNDCHLEVEL);
113 [-0-9]+ { yylval.i=atoi(yytext); return(INTEGER); }
114 \"[^"]*\" { yytext[yyleng - 1] = '\0'; /* discard the trailing \" */
115 yylval.str = dupstr(yytext + 1); /* skip the first \" */
117 ^#.*\n { nh_line_number++; }
118 \r?\n { nh_line_number++; }
119 [ \t]+ ; /* skip trailing tabs & spaces */
120 . { return yytext[0]; }
123 /* routine to switch to another input file; needed for flex */
128 #if defined(FLEX_SCANNER) || defined(FLEXHACK_SCANNER)
136 /* analogous routine (for completeness) */
138 init_yyout( output_f )