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- extern char *malloc(), *realloc();
-
- # line 2 "dgn_comp.y"
- /* SCCS Id: @(#)dgn_comp.c 3.1 93/01/17 */
- /* Copyright (c) 1989 by Jean-Christophe Collet */
- /* Copyright (c) 1990 by M. Stephenson */
- /* NetHack may be freely redistributed. See license for details. */
-
- /*
- * This file contains the Dungeon Compiler code
- */
-
- /* In case we're using bison in AIX. This definition must be
- * placed before any other C-language construct in the file
- * excluding comments and preprocessor directives (thanks IBM
- * for this wonderful feature...).
- *
- * Note: some cpps barf on this 'undefined control' (#pragma).
- * Addition of the leading space seems to prevent barfage for now,
- * and AIX will still see the directive in its non-standard locale.
- */
-
- #ifdef _AIX
- #pragma alloca /* keep leading space! */
- #endif
-
- #include "config.h"
- #include "dgn_file.h"
-
- void FDECL(yyerror, (char *));
- void FDECL(yywarning, (char *));
- int NDECL(yylex);
- int NDECL(yyparse);
- int FDECL(getchain, (char *));
- int NDECL(check_dungeon);
- int NDECL(check_branch);
- int NDECL(check_level);
- void NDECL(init_dungeon);
- void NDECL(init_branch);
- void NDECL(init_level);
- void NDECL(output_dgn);
-
- #ifdef AMIGA
- # undef printf
- #ifndef LATTICE
- # define memset(addr,val,len) setmem(addr,len,val)
- #endif
- #endif
-
- #ifdef MICRO
- # undef exit
- extern void FDECL(exit, (int));
- #endif
-
- #undef NULL
-
- #define ERR (-1)
-
- static struct couple couple;
- static struct tmpdungeon tmpdungeon[MAXDUNGEON];
- static struct tmplevel tmplevel[LEV_LIMIT];
- static struct tmpbranch tmpbranch[BRANCH_LIMIT];
-
- static int in_dungeon = 0, n_dgns = -1, n_levs = -1, n_brs = -1;
-
- extern int fatal_error;
- extern char* fname;
-
-
- # line 69 "dgn_comp.y"
- typedef union
- {
- int i;
- char* str;
- } YYSTYPE;
- # define INTEGER 257
- # define A_DUNGEON 258
- # define BRANCH 259
- # define CHBRANCH 260
- # define LEVEL 261
- # define RNDLEVEL 262
- # define CHLEVEL 263
- # define RNDCHLEVEL 264
- # define UP_OR_DOWN 265
- # define PROTOFILE 266
- # define DESCRIPTION 267
- # define DESCRIPTOR 268
- # define LEVELDESC 269
- # define ALIGNMENT 270
- # define LEVALIGN 271
- # define ENTRY 272
- # define STAIR 273
- # define NO_UP 274
- # define NO_DOWN 275
- # define PORTAL 276
- # define STRING 277
- #define yyclearin yychar = -1
- #define yyerrok yyerrflag = 0
- extern int yychar;
- extern int yyerrflag;
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 150
- #endif
- YYSTYPE yylval, yyval;
- # define YYERRCODE 256
-
- # line 450 "dgn_comp.y"
-
-
- void
- init_dungeon()
- {
- if(++n_dgns > MAXDUNGEON) {
- fprintf(stderr, "FATAL - Too many dungeons (limit: %d).\n",
- MAXDUNGEON);
- fprintf(stderr, "To increase the limit edit MAXDUNGEON in global.h\n");
- exit(1);
- }
-
- in_dungeon = 1;
- tmpdungeon[n_dgns].lev.base = 0;
- tmpdungeon[n_dgns].lev.rand = 0;
- tmpdungeon[n_dgns].chance = 100;
- strcpy(tmpdungeon[n_dgns].name, "");
- strcpy(tmpdungeon[n_dgns].protoname, "");
- tmpdungeon[n_dgns].flags = 0;
- tmpdungeon[n_dgns].levels = 0;
- tmpdungeon[n_dgns].branches = 0;
- tmpdungeon[n_dgns].entry_lev = 0;
- }
-
- void
- init_level()
- {
- if(++n_levs > LEV_LIMIT) {
-
- yyerror("FATAL - Too many special levels defined.");
- exit(1);
- }
- tmplevel[n_levs].lev.base = 0;
- tmplevel[n_levs].lev.rand = 0;
- tmplevel[n_levs].chance = 100;
- tmplevel[n_levs].rndlevs = 0;
- tmplevel[n_levs].flags = 0;
- strcpy(tmplevel[n_levs].name, "");
- tmplevel[n_levs].chain = -1;
- }
-
- void
- init_branch()
- {
- if(++n_brs > BRANCH_LIMIT) {
-
- yyerror("FATAL - Too many special levels defined.");
- exit(1);
- }
- tmpbranch[n_brs].lev.base = 0;
- tmpbranch[n_brs].lev.rand = 0;
- strcpy(tmpbranch[n_brs].name, "");
- tmpbranch[n_brs].chain = -1;
- }
-
- int
- getchain(s)
- char *s;
- {
- int i;
-
- if(strlen(s)) {
-
- for(i = n_levs - tmpdungeon[n_dgns].levels + 1; i <= n_levs; i++)
- if(!strcmp(tmplevel[i].name, s)) return i;
-
- yyerror("Can't locate the specified chain level.");
- return(-2);
- }
- return(-1);
- }
-
- /*
- * Consistancy checking routines:
- *
- * - A dungeon must have a unique name.
- * - A dungeon must have a originating "branch" command
- * (except, of course, for the first dungeon).
- * - A dungeon must have a proper depth (at least (1, 0)).
- */
-
- int
- check_dungeon()
- {
- int i;
-
- for(i = 0; i < n_dgns; i++)
- if(!strcmp(tmpdungeon[i].name, tmpdungeon[n_dgns].name)) {
- yyerror("Duplicate dungeon name.");
- return(0);
- }
-
- if(n_dgns)
- for(i = 0; i < n_brs - tmpdungeon[n_dgns].branches; i++) {
- if(!strcmp(tmpbranch[i].name, tmpdungeon[n_dgns].name)) break;
-
- if(i >= n_brs - tmpdungeon[n_dgns].branches) {
- yyerror("Dungeon cannot be reached.");
- return(0);
- }
- }
-
- if(tmpdungeon[n_dgns].lev.base <= 0 ||
- tmpdungeon[n_dgns].lev.rand < 0) {
- yyerror("Invalid dungeon depth specified.");
- return(0);
- }
- return(1); /* OK */
- }
-
- /*
- * - A level must have a unique level name.
- * - If chained, the level used as reference for the chain
- * must be in this dungeon, must be previously defined, and
- * the level chained from must be "non-probabalistic" (ie.
- * have a 100% chance of existing).
- */
-
- int
- check_level()
- {
- int i;
-
- if(!in_dungeon) {
- yyerror("Level defined outside of dungeon.");
- return(0);
- }
-
- for(i = 0; i < n_levs; i++)
- if(!strcmp(tmplevel[i].name, tmplevel[n_levs].name)) {
- yyerror("Duplicate level name.");
- return(0);
- }
-
- if(tmplevel[i].chain == -2) {
- yyerror("Invaild level chain reference.");
- return(0);
- } else if(tmplevel[i].chain != -1) { /* there is a chain */
- if(tmplevel[tmpbranch[i].chain].chance != 100) {
- yyerror("Level cannot chain from a probabalistic level.");
- return(0);
- } else if(tmplevel[i].chain == n_levs) {
- yyerror("A level cannot chain to itself!");
- return(0);
- }
- }
- return(1); /* OK */
- }
-
- /*
- * - A branch may not branch backwards - to avoid branch loops.
- * - A branch name must be unique.
- * (ie. You can only have one entry point to each dungeon).
- * - If chained, the level used as reference for the chain
- * must be in this dungeon, must be previously defined, and
- * the level chained from must be "non-probabalistic" (ie.
- * have a 100% chance of existing).
- */
-
- int
- check_branch()
- {
- int i;
-
- if(!in_dungeon) {
- yyerror("Branch defined outside of dungeon.");
- return(0);
- }
-
- for(i = 0; i < n_dgns; i++)
- if(!strcmp(tmpdungeon[i].name, tmpbranch[n_brs].name)) {
-
- yyerror("Reverse branching not allowed.");
- return(0);
- }
-
- if(tmpbranch[i].chain == -2) {
-
- yyerror("Invaild branch chain reference.");
- return(0);
- } else if(tmpbranch[i].chain != -1) { /* it is chained */
-
- if(tmplevel[tmpbranch[i].chain].chance != 100) {
- yyerror("Branch cannot chain from a probabalistic level.");
- return(0);
- }
- }
- return(1); /* OK */
- }
-
- /*
- * Output the dungon definition into a file.
- *
- * The file will have the following format:
- *
- * [ number of dungeons ]
- * [ first dungeon struct ]
- * [ levels for the first dungeon ]
- * ...
- * [ branches for the first dungeon ]
- * ...
- * [ second dungeon struct ]
- * ...
- */
-
- void
- output_dgn()
- {
- int nd, cl = 0, nl = 0,
- cb = 0, nb = 0;
-
- if(++n_dgns <= 0) {
-
- yyerror("FATAL - no dungeons were defined.");
- exit(1);
- }
-
- fwrite((char *)(&n_dgns), sizeof(int), 1, stdout);
- for(nd = 0; nd < n_dgns; nd++) {
-
- fwrite((char *)&tmpdungeon[nd], sizeof(struct tmpdungeon), 1,
- stdout);
-
- nl += tmpdungeon[nd].levels;
- for(; cl < nl; cl++)
- fwrite((char *)&tmplevel[cl], sizeof(struct tmplevel), 1,
- stdout);
-
- nb += tmpdungeon[nd].branches;
- for(; cb < nb; cb++)
- fwrite((char *)&tmpbranch[cb], sizeof(struct tmpbranch), 1,
- stdout);
- }
- }
- int yyexca[] ={
- -1, 1,
- 0, -1,
- -2, 0,
- };
- # define YYNPROD 48
- # define YYLAST 145
- int yyact[]={
-
- 8, 22, 23, 24, 25, 28, 29, 74, 21, 30,
- 73, 26, 31, 27, 19, 65, 79, 80, 81, 82,
- 106, 64, 63, 62, 61, 59, 56, 55, 52, 51,
- 50, 49, 48, 46, 58, 57, 54, 53, 91, 103,
- 102, 101, 99, 98, 95, 94, 83, 77, 76, 47,
- 90, 66, 78, 68, 72, 71, 60, 45, 44, 43,
- 42, 41, 40, 39, 38, 37, 36, 35, 34, 33,
- 92, 89, 88, 87, 70, 105, 104, 67, 69, 3,
- 13, 12, 32, 18, 17, 16, 15, 14, 20, 11,
- 10, 9, 7, 6, 5, 4, 2, 1, 75, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 84, 0, 0, 85, 86, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 93, 0, 96,
- 97, 0, 0, 0, 100 };
- int yypact[]={
-
- -258, -1000, -258, -1000, -1000, -1000, -1000, -1000, 11, -1000,
- -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 10,
- -1000, 9, 8, 7, 6, 5, 4, 3, 2, 1,
- 0, -1, -1000, -244, -208, -245, -246, -247, -248, -249,
- -231, -232, -250, -251, -233, -234, -252, -1000, -1000, -8,
- -253, -254, -255, -1000, -1000, -256, -262, -1000, -1000, 37,
- 38, 31, -9, -10, -267, -270, -209, -210, -257, -211,
- 37, 38, 38, 30, 29, -1000, -1000, 27, -227, -1000,
- -1000, -1000, -1000, 26, -257, -212, -213, 37, 37, -214,
- -1000, -1000, -215, -227, -1000, -216, -217, -218, 35, 34,
- -1000, -1000, -1000, -237, -1000, -1000, -1000 };
- int yypgo[]={
-
- 0, 98, 50, 52, 97, 96, 79, 95, 94, 93,
- 92, 51, 91, 90, 89, 88, 87, 86, 85, 84,
- 83, 53, 81, 80 };
- int yyr1[]={
-
- 0, 4, 4, 5, 5, 6, 6, 6, 6, 7,
- 1, 1, 8, 8, 8, 12, 13, 15, 15, 14,
- 10, 10, 10, 10, 10, 16, 16, 17, 17, 18,
- 18, 19, 19, 20, 20, 9, 9, 22, 23, 3,
- 3, 3, 3, 3, 2, 2, 21, 11 };
- int yyr2[]={
-
- 0, 0, 3, 2, 4, 2, 2, 2, 2, 13,
- 1, 3, 2, 2, 2, 7, 2, 7, 7, 7,
- 2, 2, 2, 2, 2, 13, 15, 15, 17, 7,
- 7, 15, 17, 17, 19, 2, 2, 15, 17, 1,
- 3, 3, 3, 3, 1, 3, 11, 11 };
- int yychk[]={
-
- -1000, -4, -5, -6, -7, -8, -9, -10, 258, -12,
- -13, -14, -22, -23, -16, -17, -18, -19, -20, 272,
- -15, 266, 259, 260, 261, 262, 269, 271, 263, 264,
- 267, 270, -6, 58, 58, 58, 58, 58, 58, 58,
- 58, 58, 58, 58, 58, 58, 277, 257, 277, 277,
- 277, 277, 277, 268, 268, 277, 277, 268, 268, 277,
- 64, 277, 277, 277, 277, 277, -11, 40, -21, 40,
- 43, 64, 64, 277, 277, -1, 257, 257, -3, 273,
- 274, 275, 276, 257, -11, -21, -21, 43, 43, 44,
- -2, 265, 44, -3, 257, 257, -11, -11, 257, 257,
- -2, 257, 257, 257, 41, 41, 257 };
- int yydef[]={
-
- 1, -2, 2, 3, 5, 6, 7, 8, 0, 12,
- 13, 14, 35, 36, 20, 21, 22, 23, 24, 0,
- 16, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 4, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 15, 19, 0,
- 0, 0, 0, 29, 30, 0, 0, 17, 18, 0,
- 0, 0, 0, 0, 0, 0, 10, 0, 39, 0,
- 0, 0, 0, 0, 0, 9, 11, 0, 44, 40,
- 41, 42, 43, 0, 39, 25, 0, 0, 0, 0,
- 37, 45, 0, 44, 27, 26, 31, 0, 0, 0,
- 38, 28, 33, 32, 47, 46, 34 };
- typedef struct { char *t_name; int t_val; } yytoktype;
- #ifndef YYDEBUG
- # define YYDEBUG 0 /* don't allow debugging */
- #endif
-
- #if YYDEBUG
-
- yytoktype yytoks[] =
- {
- "INTEGER", 257,
- "A_DUNGEON", 258,
- "BRANCH", 259,
- "CHBRANCH", 260,
- "LEVEL", 261,
- "RNDLEVEL", 262,
- "CHLEVEL", 263,
- "RNDCHLEVEL", 264,
- "UP_OR_DOWN", 265,
- "PROTOFILE", 266,
- "DESCRIPTION", 267,
- "DESCRIPTOR", 268,
- "LEVELDESC", 269,
- "ALIGNMENT", 270,
- "LEVALIGN", 271,
- "ENTRY", 272,
- "STAIR", 273,
- "NO_UP", 274,
- "NO_DOWN", 275,
- "PORTAL", 276,
- "STRING", 277,
- "-unknown-", -1 /* ends search */
- };
-
- char * yyreds[] =
- {
- "-no such reduction-",
- "file : /* empty */",
- "file : dungeons",
- "dungeons : dungeon",
- "dungeons : dungeons dungeon",
- "dungeon : dungeonline",
- "dungeon : dungeondesc",
- "dungeon : branches",
- "dungeon : levels",
- "dungeonline : A_DUNGEON ':' STRING STRING rcouple optional_int",
- "optional_int : /* empty */",
- "optional_int : INTEGER",
- "dungeondesc : entry",
- "dungeondesc : descriptions",
- "dungeondesc : prototype",
- "entry : ENTRY ':' INTEGER",
- "descriptions : desc",
- "desc : DESCRIPTION ':' DESCRIPTOR",
- "desc : ALIGNMENT ':' DESCRIPTOR",
- "prototype : PROTOFILE ':' STRING",
- "levels : level1",
- "levels : level2",
- "levels : levdesc",
- "levels : chlevel1",
- "levels : chlevel2",
- "level1 : LEVEL ':' STRING STRING '@' acouple",
- "level1 : RNDLEVEL ':' STRING STRING '@' acouple INTEGER",
- "level2 : LEVEL ':' STRING STRING '@' acouple INTEGER",
- "level2 : RNDLEVEL ':' STRING STRING '@' acouple INTEGER INTEGER",
- "levdesc : LEVELDESC ':' DESCRIPTOR",
- "levdesc : LEVALIGN ':' DESCRIPTOR",
- "chlevel1 : CHLEVEL ':' STRING STRING STRING '+' rcouple",
- "chlevel1 : RNDCHLEVEL ':' STRING STRING STRING '+' rcouple INTEGER",
- "chlevel2 : CHLEVEL ':' STRING STRING STRING '+' rcouple INTEGER",
- "chlevel2 : RNDCHLEVEL ':' STRING STRING STRING '+' rcouple INTEGER INTEGER",
- "branches : branch",
- "branches : chbranch",
- "branch : BRANCH ':' STRING '@' acouple branch_type direction",
- "chbranch : CHBRANCH ':' STRING STRING '+' rcouple branch_type direction",
- "branch_type : /* empty */",
- "branch_type : STAIR",
- "branch_type : NO_UP",
- "branch_type : NO_DOWN",
- "branch_type : PORTAL",
- "direction : /* empty */",
- "direction : UP_OR_DOWN",
- "acouple : '(' INTEGER ',' INTEGER ')'",
- "rcouple : '(' INTEGER ',' INTEGER ')'",
- };
- #endif /* YYDEBUG */
- #line 1 "/usr/lib/yaccpar"
- /* @(#)yaccpar 1.10 89/04/04 SMI; from S5R3 1.10 */
-
- /*
- ** Skeleton parser driver for yacc output
- */
-
- /*
- ** yacc user known macros and defines
- */
- #define YYERROR goto yyerrlab
- #define YYACCEPT { free(yys); free(yyv); return(0); }
- #define YYABORT { free(yys); free(yyv); return(1); }
- #define YYBACKUP( newtoken, newvalue )\
- {\
- if ( yychar >= 0 || ( yyr2[ yytmp ] >> 1 ) != 1 )\
- {\
- yyerror( "syntax error - cannot backup" );\
- goto yyerrlab;\
- }\
- yychar = newtoken;\
- yystate = *yyps;\
- yylval = newvalue;\
- goto yynewstate;\
- }
- #define YYRECOVERING() (!!yyerrflag)
- #ifndef YYDEBUG
- # define YYDEBUG 1 /* make debugging available */
- #endif
-
- /*
- ** user known globals
- */
- int yydebug; /* set to 1 to get debugging */
-
- /*
- ** driver internal defines
- */
- #define YYFLAG (-1000)
-
- /*
- ** static variables used by the parser
- */
- static YYSTYPE *yyv; /* value stack */
- static int *yys; /* state stack */
-
- static YYSTYPE *yypv; /* top of value stack */
- static int *yyps; /* top of state stack */
-
- static int yystate; /* current state */
- static int yytmp; /* extra var (lasts between blocks) */
-
- int yynerrs; /* number of errors */
-
- int yyerrflag; /* error recovery flag */
- int yychar; /* current input token number */
-
-
- /*
- ** yyparse - return 0 if worked, 1 if syntax error not recovered from
- */
- int
- yyparse()
- {
- register YYSTYPE *yypvt; /* top of value stack for $vars */
- unsigned yymaxdepth = YYMAXDEPTH;
-
- /*
- ** Initialize externals - yyparse may be called more than once
- */
- yyv = (YYSTYPE*)malloc(yymaxdepth*sizeof(YYSTYPE));
- yys = (int*)malloc(yymaxdepth*sizeof(int));
- if (!yyv || !yys)
- {
- yyerror( "out of memory" );
- return(1);
- }
- yypv = &yyv[-1];
- yyps = &yys[-1];
- yystate = 0;
- yytmp = 0;
- yynerrs = 0;
- yyerrflag = 0;
- yychar = -1;
-
- goto yystack;
- {
- register YYSTYPE *yy_pv; /* top of value stack */
- register int *yy_ps; /* top of state stack */
- register int yy_state; /* current state */
- register int yy_n; /* internal state number info */
-
- /*
- ** get globals into registers.
- ** branch to here only if YYBACKUP was called.
- */
- yynewstate:
- yy_pv = yypv;
- yy_ps = yyps;
- yy_state = yystate;
- goto yy_newstate;
-
- /*
- ** get globals into registers.
- ** either we just started, or we just finished a reduction
- */
- yystack:
- yy_pv = yypv;
- yy_ps = yyps;
- yy_state = yystate;
-
- /*
- ** top of for (;;) loop while no reductions done
- */
- yy_stack:
- /*
- ** put a state and value onto the stacks
- */
- #if YYDEBUG
- /*
- ** if debugging, look up token value in list of value vs.
- ** name pairs. 0 and negative (-1) are special values.
- ** Note: linear search is used since time is not a real
- ** consideration while debugging.
- */
- if ( yydebug )
- {
- register int yy_i;
-
- (void)printf( "State %d, token ", yy_state );
- if ( yychar == 0 )
- (void)printf( "end-of-file\n" );
- else if ( yychar < 0 )
- (void)printf( "-none-\n" );
- else
- {
- for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val == yychar )
- break;
- }
- (void)printf( "%s\n", yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- if ( ++yy_ps >= &yys[ yymaxdepth ] ) /* room on stack? */
- {
- /*
- ** reallocate and recover. Note that pointers
- ** have to be reset, or bad things will happen
- */
- int yyps_index = (yy_ps - yys);
- int yypv_index = (yy_pv - yyv);
- int yypvt_index = (yypvt - yyv);
- yymaxdepth += YYMAXDEPTH;
- yyv = (YYSTYPE*)realloc((char*)yyv,
- yymaxdepth * sizeof(YYSTYPE));
- yys = (int*)realloc((char*)yys,
- yymaxdepth * sizeof(int));
- if (!yyv || !yys)
- {
- yyerror( "yacc stack overflow" );
- return(1);
- }
- yy_ps = yys + yyps_index;
- yy_pv = yyv + yypv_index;
- yypvt = yyv + yypvt_index;
- }
- *yy_ps = yy_state;
- *++yy_pv = yyval;
-
- /*
- ** we have a new state - find out what to do
- */
- yy_newstate:
- if ( ( yy_n = yypact[ yy_state ] ) <= YYFLAG )
- goto yydefault; /* simple state */
- #if YYDEBUG
- /*
- ** if debugging, need to mark whether new token grabbed
- */
- yytmp = yychar < 0;
- #endif
- if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
- yychar = 0; /* reached EOF */
- #if YYDEBUG
- if ( yydebug && yytmp )
- {
- register int yy_i;
-
- (void)printf( "Received token " );
- if ( yychar == 0 )
- (void)printf( "end-of-file\n" );
- else if ( yychar < 0 )
- (void)printf( "-none-\n" );
- else
- {
- for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val == yychar )
- break;
- }
- (void)printf( "%s\n", yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- if ( ( ( yy_n += yychar ) < 0 ) || ( yy_n >= YYLAST ) )
- goto yydefault;
- if ( yychk[ yy_n = yyact[ yy_n ] ] == yychar ) /*valid shift*/
- {
- yychar = -1;
- yyval = yylval;
- yy_state = yy_n;
- if ( yyerrflag > 0 )
- yyerrflag--;
- goto yy_stack;
- }
-
- yydefault:
- if ( ( yy_n = yydef[ yy_state ] ) == -2 )
- {
- #if YYDEBUG
- yytmp = yychar < 0;
- #endif
- if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
- yychar = 0; /* reached EOF */
- #if YYDEBUG
- if ( yydebug && yytmp )
- {
- register int yy_i;
-
- (void)printf( "Received token " );
- if ( yychar == 0 )
- (void)printf( "end-of-file\n" );
- else if ( yychar < 0 )
- (void)printf( "-none-\n" );
- else
- {
- for ( yy_i = 0;
- yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val
- == yychar )
- {
- break;
- }
- }
- (void)printf( "%s\n", yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- /*
- ** look through exception table
- */
- {
- register int *yyxi = yyexca;
-
- while ( ( *yyxi != -1 ) ||
- ( yyxi[1] != yy_state ) )
- {
- yyxi += 2;
- }
- while ( ( *(yyxi += 2) >= 0 ) &&
- ( *yyxi != yychar ) )
- ;
- if ( ( yy_n = yyxi[1] ) < 0 )
- YYACCEPT;
- }
- }
-
- /*
- ** check for syntax error
- */
- if ( yy_n == 0 ) /* have an error */
- {
- /* no worry about speed here! */
- switch ( yyerrflag )
- {
- case 0: /* new error */
- yyerror( "syntax error" );
- goto skip_init;
- yyerrlab:
- /*
- ** get globals into registers.
- ** we have a user generated syntax type error
- */
- yy_pv = yypv;
- yy_ps = yyps;
- yy_state = yystate;
- yynerrs++;
- skip_init:
- case 1:
- case 2: /* incompletely recovered error */
- /* try again... */
- yyerrflag = 3;
- /*
- ** find state where "error" is a legal
- ** shift action
- */
- while ( yy_ps >= yys )
- {
- yy_n = yypact[ *yy_ps ] + YYERRCODE;
- if ( yy_n >= 0 && yy_n < YYLAST &&
- yychk[yyact[yy_n]] == YYERRCODE) {
- /*
- ** simulate shift of "error"
- */
- yy_state = yyact[ yy_n ];
- goto yy_stack;
- }
- /*
- ** current state has no shift on
- ** "error", pop stack
- */
- #if YYDEBUG
- # define _POP_ "Error recovery pops state %d, uncovers state %d\n"
- if ( yydebug )
- (void)printf( _POP_, *yy_ps,
- yy_ps[-1] );
- # undef _POP_
- #endif
- yy_ps--;
- yy_pv--;
- }
- /*
- ** there is no state on stack with "error" as
- ** a valid shift. give up.
- */
- YYABORT;
- case 3: /* no shift yet; eat a token */
- #if YYDEBUG
- /*
- ** if debugging, look up token in list of
- ** pairs. 0 and negative shouldn't occur,
- ** but since timing doesn't matter when
- ** debugging, it doesn't hurt to leave the
- ** tests here.
- */
- if ( yydebug )
- {
- register int yy_i;
-
- (void)printf( "Error recovery discards " );
- if ( yychar == 0 )
- (void)printf( "token end-of-file\n" );
- else if ( yychar < 0 )
- (void)printf( "token -none-\n" );
- else
- {
- for ( yy_i = 0;
- yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val
- == yychar )
- {
- break;
- }
- }
- (void)printf( "token %s\n",
- yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- if ( yychar == 0 ) /* reached EOF. quit */
- YYABORT;
- yychar = -1;
- goto yy_newstate;
- }
- }/* end if ( yy_n == 0 ) */
- /*
- ** reduction by production yy_n
- ** put stack tops, etc. so things right after switch
- */
- #if YYDEBUG
- /*
- ** if debugging, print the string that is the user's
- ** specification of the reduction which is just about
- ** to be done.
- */
- if ( yydebug )
- (void)printf( "Reduce by (%d) \"%s\"\n",
- yy_n, yyreds[ yy_n ] );
- #endif
- yytmp = yy_n; /* value to switch over */
- yypvt = yy_pv; /* $vars top of value stack */
- /*
- ** Look in goto table for next state
- ** Sorry about using yy_state here as temporary
- ** register variable, but why not, if it works...
- ** If yyr2[ yy_n ] doesn't have the low order bit
- ** set, then there is no action to be done for
- ** this reduction. So, no saving & unsaving of
- ** registers done. The only difference between the
- ** code just after the if and the body of the if is
- ** the goto yy_stack in the body. This way the test
- ** can be made before the choice of what to do is needed.
- */
- {
- /* length of production doubled with extra bit */
- register int yy_len = yyr2[ yy_n ];
-
- if ( !( yy_len & 01 ) )
- {
- yy_len >>= 1;
- yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
- yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
- *( yy_ps -= yy_len ) + 1;
- if ( yy_state >= YYLAST ||
- yychk[ yy_state =
- yyact[ yy_state ] ] != -yy_n )
- {
- yy_state = yyact[ yypgo[ yy_n ] ];
- }
- goto yy_stack;
- }
- yy_len >>= 1;
- yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
- yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
- *( yy_ps -= yy_len ) + 1;
- if ( yy_state >= YYLAST ||
- yychk[ yy_state = yyact[ yy_state ] ] != -yy_n )
- {
- yy_state = yyact[ yypgo[ yy_n ] ];
- }
- }
- /* save until reenter driver code */
- yystate = yy_state;
- yyps = yy_ps;
- yypv = yy_pv;
- }
- /*
- ** code supplied by user is placed in this switch
- */
- switch( yytmp )
- {
-
- case 2:
- # line 86 "dgn_comp.y"
- {
- output_dgn();
- } break;
- case 9:
- # line 102 "dgn_comp.y"
- {
- init_dungeon();
- strcpy(tmpdungeon[n_dgns].name, yypvt[-3].str);
- if (!strcmp(yypvt[-2].str, "none"))
- tmpdungeon[n_levs].boneschar = '\0';
- else if (yypvt[-2].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmpdungeon[n_dgns].boneschar = yypvt[-2].str[0];
- tmpdungeon[n_dgns].lev.base = couple.base;
- tmpdungeon[n_dgns].lev.rand = couple.rand;
- tmpdungeon[n_dgns].chance = yypvt[-0].i;
- } break;
- case 10:
- # line 118 "dgn_comp.y"
- {
- yyval.i = 0;
- } break;
- case 11:
- # line 122 "dgn_comp.y"
- {
- yyval.i = yypvt[-0].i;
- } break;
- case 15:
- # line 133 "dgn_comp.y"
- {
- tmpdungeon[n_dgns].entry_lev = yypvt[-0].i;
- } break;
- case 17:
- # line 142 "dgn_comp.y"
- {
- if(yypvt[-0].i <= TOWN || yypvt[-0].i >= D_ALIGN_CHAOTIC)
- yyerror("Illegal description - ignoring!");
- else
- tmpdungeon[n_dgns].flags |= yypvt[-0].i ;
- } break;
- case 18:
- # line 149 "dgn_comp.y"
- {
- if(yypvt[-0].i && yypvt[-0].i < D_ALIGN_CHAOTIC)
- yyerror("Illegal alignment - ignoring!");
- else
- tmpdungeon[n_dgns].flags |= yypvt[-0].i ;
- } break;
- case 19:
- # line 158 "dgn_comp.y"
- {
- strcpy(tmpdungeon[n_dgns].protoname, yypvt[-0].str);
- } break;
- case 25:
- # line 171 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-3].str);
- if (!strcmp(yypvt[-2].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-2].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-2].str[0];
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- tmpdungeon[n_dgns].levels++;
- } break;
- case 26:
- # line 185 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-4].str);
- if (!strcmp(yypvt[-3].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-3].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-3].str[0];
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- tmplevel[n_levs].rndlevs = yypvt[-0].i;
- tmpdungeon[n_dgns].levels++;
- } break;
- case 27:
- # line 202 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-4].str);
- if (!strcmp(yypvt[-3].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-3].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-3].str[0];
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- tmplevel[n_levs].chance = yypvt[-0].i;
- tmpdungeon[n_dgns].levels++;
- } break;
- case 28:
- # line 217 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-5].str);
- if (!strcmp(yypvt[-4].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-4].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-4].str[0];
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- tmplevel[n_levs].chance = yypvt[-1].i;
- tmplevel[n_levs].rndlevs = yypvt[-0].i;
- tmpdungeon[n_dgns].levels++;
- } break;
- case 29:
- # line 235 "dgn_comp.y"
- {
- if(yypvt[-0].i >= D_ALIGN_CHAOTIC)
- yyerror("Illegal description - ignoring!");
- else
- tmplevel[n_levs].flags |= yypvt[-0].i ;
- } break;
- case 30:
- # line 242 "dgn_comp.y"
- {
- if(yypvt[-0].i && yypvt[-0].i < D_ALIGN_CHAOTIC)
- yyerror("Illegal alignment - ignoring!");
- else
- tmplevel[n_levs].flags |= yypvt[-0].i ;
- } break;
- case 31:
- # line 251 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-4].str);
- if (!strcmp(yypvt[-3].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-3].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-3].str[0];
- tmplevel[n_levs].chain = getchain(yypvt[-2].str);
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- if(!check_level()) n_levs--;
- else tmpdungeon[n_dgns].levels++;
- } break;
- case 32:
- # line 267 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-5].str);
- if (!strcmp(yypvt[-4].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-4].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-4].str[0];
- tmplevel[n_levs].chain = getchain(yypvt[-3].str);
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- tmplevel[n_levs].rndlevs = yypvt[-0].i;
- if(!check_level()) n_levs--;
- else tmpdungeon[n_dgns].levels++;
- } break;
- case 33:
- # line 286 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-5].str);
- if (!strcmp(yypvt[-4].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-4].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-4].str[0];
- tmplevel[n_levs].chain = getchain(yypvt[-3].str);
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- tmplevel[n_levs].chance = yypvt[-0].i;
- if(!check_level()) n_levs--;
- else tmpdungeon[n_dgns].levels++;
- } break;
- case 34:
- # line 303 "dgn_comp.y"
- {
- init_level();
- strcpy(tmplevel[n_levs].name, yypvt[-6].str);
- if (!strcmp(yypvt[-5].str, "none"))
- tmplevel[n_levs].boneschar = '\0';
- else if (yypvt[-5].str[1])
- yyerror("Bones marker must be a single char, or \"none\"!");
- else
- tmplevel[n_levs].boneschar = yypvt[-5].str[0];
- tmplevel[n_levs].chain = getchain(yypvt[-4].str);
- tmplevel[n_levs].lev.base = couple.base;
- tmplevel[n_levs].lev.rand = couple.rand;
- tmplevel[n_levs].chance = yypvt[-1].i;
- tmplevel[n_levs].rndlevs = yypvt[-0].i;
- if(!check_level()) n_levs--;
- else tmpdungeon[n_dgns].levels++;
- } break;
- case 37:
- # line 327 "dgn_comp.y"
- {
- init_branch();
- strcpy(tmpbranch[n_brs].name, yypvt[-4].str);
- tmpbranch[n_brs].lev.base = couple.base;
- tmpbranch[n_brs].lev.rand = couple.rand;
- tmpbranch[n_brs].type = yypvt[-1].i;
- tmpbranch[n_brs].up = yypvt[-0].i;
- if(!check_branch()) n_brs--;
- else tmpdungeon[n_dgns].branches++;
- } break;
- case 38:
- # line 340 "dgn_comp.y"
- {
- init_branch();
- strcpy(tmpbranch[n_brs].name, yypvt[-5].str);
- tmpbranch[n_brs].chain = getchain(yypvt[-4].str);
- tmpbranch[n_brs].lev.base = couple.base;
- tmpbranch[n_brs].lev.rand = couple.rand;
- tmpbranch[n_brs].type = yypvt[-1].i;
- tmpbranch[n_brs].up = yypvt[-0].i;
- if(!check_branch()) n_brs--;
- else tmpdungeon[n_dgns].branches++;
- } break;
- case 39:
- # line 354 "dgn_comp.y"
- {
- yyval.i = TBR_STAIR; /* two way stair */
- } break;
- case 40:
- # line 358 "dgn_comp.y"
- {
- yyval.i = TBR_STAIR; /* two way stair */
- } break;
- case 41:
- # line 362 "dgn_comp.y"
- {
- yyval.i = TBR_NO_UP; /* no up staircase */
- } break;
- case 42:
- # line 366 "dgn_comp.y"
- {
- yyval.i = TBR_NO_DOWN; /* no down staircase */
- } break;
- case 43:
- # line 370 "dgn_comp.y"
- {
- yyval.i = TBR_PORTAL; /* portal connection */
- } break;
- case 44:
- # line 376 "dgn_comp.y"
- {
- yyval.i = 0; /* defaults to down */
- } break;
- case 45:
- # line 380 "dgn_comp.y"
- {
- yyval.i = yypvt[-0].i;
- } break;
- case 46:
- # line 403 "dgn_comp.y"
- {
- if (yypvt[-3].i < -MAXLEVEL || yypvt[-3].i > MAXLEVEL) {
- yyerror("Abs base out of dlevel range - zeroing!");
- couple.base = couple.rand = 0;
- } else if (yypvt[-1].i < -1 ||
- ((yypvt[-3].i < 0) ? (MAXLEVEL + yypvt[-3].i + yypvt[-1].i + 1) > MAXLEVEL :
- (yypvt[-3].i + yypvt[-1].i) > MAXLEVEL)) {
- yyerror("Abs range out of dlevel range - zeroing!");
- couple.base = couple.rand = 0;
- } else {
- couple.base = yypvt[-3].i;
- couple.rand = yypvt[-1].i;
- }
- } break;
- case 47:
- # line 440 "dgn_comp.y"
- {
- if (yypvt[-3].i < -MAXLEVEL || yypvt[-3].i > MAXLEVEL) {
- yyerror("Rel base out of dlevel range - zeroing!");
- couple.base = couple.rand = 0;
- } else {
- couple.base = yypvt[-3].i;
- couple.rand = yypvt[-1].i;
- }
- } break;
- }
- goto yystack; /* reset registers in driver code */
- }
-