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-
- /* A Bison parser, made from /ISO/groff/groff-1.09-amiga/eqn/eqn.y with Bison version GNU Bison version 1.22
- */
-
- #define YYBISON 1 /* Identify Bison output. */
-
- #define OVER 258
- #define SMALLOVER 259
- #define SQRT 260
- #define SUB 261
- #define SUP 262
- #define LPILE 263
- #define RPILE 264
- #define CPILE 265
- #define PILE 266
- #define LEFT 267
- #define RIGHT 268
- #define TO 269
- #define FROM 270
- #define SIZE 271
- #define FONT 272
- #define ROMAN 273
- #define BOLD 274
- #define ITALIC 275
- #define FAT 276
- #define ACCENT 277
- #define BAR 278
- #define UNDER 279
- #define ABOVE 280
- #define TEXT 281
- #define QUOTED_TEXT 282
- #define FWD 283
- #define BACK 284
- #define DOWN 285
- #define UP 286
- #define MATRIX 287
- #define COL 288
- #define LCOL 289
- #define RCOL 290
- #define CCOL 291
- #define MARK 292
- #define LINEUP 293
- #define TYPE 294
- #define VCENTER 295
- #define PRIME 296
- #define SPLIT 297
- #define NOSPLIT 298
- #define UACCENT 299
- #define SPECIAL 300
- #define SPACE 301
- #define GFONT 302
- #define GSIZE 303
- #define DEFINE 304
- #define NDEFINE 305
- #define TDEFINE 306
- #define SDEFINE 307
- #define UNDEF 308
- #define IFDEF 309
- #define INCLUDE 310
- #define DELIM 311
- #define CHARTYPE 312
- #define SET 313
- #define GRFONT 314
- #define GBFONT 315
-
- #line 19 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
-
- #include <stdio.h>
- #include </gnu/include/string.h>
- #include <stdlib.h>
-
- #include "lib.h"
- #include "box.h"
- extern int non_empty_flag;
- char *strsave(const char *);
- int yylex();
- void yyerror(const char *);
-
- #line 32 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- typedef union {
- char *str;
- box *b;
- pile_box *pb;
- matrix_box *mb;
- int n;
- column *col;
- } YYSTYPE;
-
- #ifndef YYLTYPE
- typedef
- struct yyltype
- {
- int timestamp;
- int first_line;
- int first_column;
- int last_line;
- int last_column;
- char *text;
- }
- yyltype;
-
- #define YYLTYPE yyltype
- #endif
-
- #include <stdio.h>
-
- #ifndef __cplusplus
- #ifndef __STDC__
- #define const
- #endif
- #endif
-
-
-
- #define YYFINAL 142
- #define YYFLAG -32768
- #define YYNTBASE 66
-
- #define YYTRANSLATE(x) ((unsigned)(x) <= 315 ? yytranslate[x] : 83)
-
- static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 63, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 61, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 64, 2, 65, 62, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
- 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
- 56, 57, 58, 59, 60
- };
-
- #if YYDEBUG != 0
- static const short yyprhs[] = { 0,
- 0, 1, 3, 5, 8, 10, 13, 16, 18, 22,
- 26, 32, 38, 40, 43, 47, 51, 53, 57, 59,
- 63, 69, 71, 73, 76, 79, 81, 83, 85, 89,
- 92, 95, 98, 101, 106, 112, 116, 119, 122, 125,
- 129, 133, 136, 139, 142, 145, 149, 153, 157, 161,
- 165, 169, 173, 176, 180, 182, 184, 188, 192, 197,
- 199, 202, 204, 208, 212, 217, 220, 223, 226, 229,
- 231, 233, 235, 237
- };
-
- static const short yyrhs[] = { -1,
- 67, 0, 68, 0, 67, 68, 0, 69, 0, 37,
- 68, 0, 38, 68, 0, 70, 0, 70, 14, 69,
- 0, 70, 15, 70, 0, 70, 15, 70, 14, 69,
- 0, 70, 15, 70, 15, 69, 0, 71, 0, 5,
- 70, 0, 70, 3, 70, 0, 70, 4, 70, 0,
- 72, 0, 73, 7, 71, 0, 73, 0, 73, 6,
- 72, 0, 73, 6, 73, 7, 71, 0, 26, 0,
- 27, 0, 42, 27, 0, 43, 26, 0, 61, 0,
- 62, 0, 63, 0, 64, 67, 65, 0, 11, 76,
- 0, 8, 76, 0, 9, 76, 0, 10, 76, 0,
- 32, 64, 77, 65, 0, 12, 82, 67, 13, 82,
- 0, 12, 82, 67, 0, 73, 23, 0, 73, 24,
- 0, 73, 41, 0, 73, 22, 73, 0, 73, 44,
- 73, 0, 18, 73, 0, 19, 73, 0, 20, 73,
- 0, 21, 73, 0, 17, 81, 73, 0, 16, 81,
- 73, 0, 28, 74, 73, 0, 29, 74, 73, 0,
- 31, 74, 73, 0, 30, 74, 73, 0, 39, 81,
- 73, 0, 40, 73, 0, 45, 81, 73, 0, 81,
- 0, 67, 0, 75, 25, 67, 0, 64, 75, 65,
- 0, 74, 64, 75, 65, 0, 80, 0, 77, 80,
- 0, 67, 0, 78, 25, 67, 0, 64, 78, 65,
- 0, 74, 64, 78, 65, 0, 33, 79, 0, 34,
- 79, 0, 35, 79, 0, 36, 79, 0, 26, 0,
- 27, 0, 81, 0, 64, 0, 65, 0
- };
-
- #endif
-
- #if YYDEBUG != 0
- static const short yyrline[] = { 0,
- 123, 125, 129, 132, 142, 145, 147, 151, 154, 156,
- 158, 160, 164, 167, 169, 171, 175, 178, 182, 185,
- 187, 191, 194, 196, 198, 200, 202, 204, 206, 208,
- 210, 212, 214, 216, 218, 220, 222, 224, 226, 228,
- 230, 232, 234, 236, 238, 240, 242, 244, 246, 248,
- 250, 252, 254, 256, 260, 270, 273, 277, 280, 284,
- 287, 291, 294, 298, 301, 305, 308, 310, 312, 316,
- 318, 322, 325, 327
- };
-
- static const char * const yytname[] = { "$","error","$illegal.","OVER","SMALLOVER",
- "SQRT","SUB","SUP","LPILE","RPILE","CPILE","PILE","LEFT","RIGHT","TO","FROM",
- "SIZE","FONT","ROMAN","BOLD","ITALIC","FAT","ACCENT","BAR","UNDER","ABOVE","TEXT",
- "QUOTED_TEXT","FWD","BACK","DOWN","UP","MATRIX","COL","LCOL","RCOL","CCOL","MARK",
- "LINEUP","TYPE","VCENTER","PRIME","SPLIT","NOSPLIT","UACCENT","SPECIAL","SPACE",
- "GFONT","GSIZE","DEFINE","NDEFINE","TDEFINE","SDEFINE","UNDEF","IFDEF","INCLUDE",
- "DELIM","CHARTYPE","SET","GRFONT","GBFONT","'^'","'~'","'\\t'","'{'","'}'","top",
- "equation","mark","from_to","sqrt_over","script","nonsup","simple","number",
- "pile_element_list","pile_arg","column_list","column_element_list","column_arg",
- "column","text","delim",""
- };
- #endif
-
- static const short yyr1[] = { 0,
- 66, 66, 67, 67, 68, 68, 68, 69, 69, 69,
- 69, 69, 70, 70, 70, 70, 71, 71, 72, 72,
- 72, 73, 73, 73, 73, 73, 73, 73, 73, 73,
- 73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
- 73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
- 73, 73, 73, 73, 74, 75, 75, 76, 76, 77,
- 77, 78, 78, 79, 79, 80, 80, 80, 80, 81,
- 81, 82, 82, 82
- };
-
- static const short yyr2[] = { 0,
- 0, 1, 1, 2, 1, 2, 2, 1, 3, 3,
- 5, 5, 1, 2, 3, 3, 1, 3, 1, 3,
- 5, 1, 1, 2, 2, 1, 1, 1, 3, 2,
- 2, 2, 2, 4, 5, 3, 2, 2, 2, 3,
- 3, 2, 2, 2, 2, 3, 3, 3, 3, 3,
- 3, 3, 2, 3, 1, 1, 3, 3, 4, 1,
- 2, 1, 3, 3, 4, 2, 2, 2, 2, 1,
- 1, 1, 1, 1
- };
-
- static const short yydefact[] = { 1,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 22, 23, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 26, 27, 28, 0,
- 2, 3, 5, 8, 13, 17, 19, 14, 70, 71,
- 0, 0, 31, 55, 32, 33, 30, 73, 74, 72,
- 0, 0, 0, 42, 43, 44, 45, 0, 0, 0,
- 0, 0, 6, 7, 0, 53, 24, 25, 0, 0,
- 4, 0, 0, 0, 0, 0, 0, 0, 37, 38,
- 39, 0, 56, 0, 0, 36, 47, 46, 48, 49,
- 51, 50, 0, 0, 0, 0, 0, 60, 52, 54,
- 29, 15, 16, 9, 10, 20, 19, 18, 40, 41,
- 0, 58, 0, 0, 0, 0, 66, 67, 68, 69,
- 34, 61, 0, 0, 0, 57, 59, 35, 62, 0,
- 0, 11, 12, 21, 0, 64, 0, 63, 65, 0,
- 0, 0
- };
-
- static const short yydefgoto[] = { 140,
- 83, 32, 33, 34, 35, 36, 37, 42, 84, 43,
- 97, 130, 117, 98, 44, 51
- };
-
- static const short yypact[] = { 228,
- 267, 8, 8, 8, 8, 6, 68, 68, 306, 306,
- 306, 306,-32768,-32768, 68, 68, 68, 68, -51, 228,
- 228, 68, 306, -12, 5, 68,-32768,-32768,-32768, 228,
- 228,-32768,-32768, 25,-32768,-32768, 58,-32768,-32768,-32768,
- 228, -46,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
- 228, 306, 306, 81, 81, 81, 81, 306, 306, 306,
- 306, 83,-32768,-32768, 306, 81,-32768,-32768, 306, 128,
- -32768, 267, 267, 267, 267, 306, 306, 306,-32768,-32768,
- -32768, 306, 228, -9, 228, 189, 81, 81, 81, 81,
- 81, 81, 11, 11, 11, 11, 12,-32768, 81, 81,
- -32768,-32768,-32768,-32768, 64,-32768, 333,-32768,-32768,-32768,
- 228,-32768, -8, 6, 228, -38,-32768,-32768,-32768,-32768,
- -32768,-32768, 267, 267, 306, 228,-32768,-32768, 228, -6,
- 228,-32768,-32768,-32768, 228,-32768, -5, 228,-32768, 27,
- 36,-32768
- };
-
- static const short yypgoto[] = {-32768,
- 0, -17, -62, 1, -76, -26, 32, -7, -33, 19,
- -32768, -77, 33, -39, -1, -31
- };
-
-
- #define YYLAST 377
-
-
- static const short yytable[] = { 31,
- 108, 38, 63, 64, 50, 52, 53, 58, 59, 60,
- 61, 104, 62, 71, 67, 111, 111, 85, 135, 135,
- 65, 45, 46, 47, 69, 131, 141, 72, 73, 70,
- 68, 39, 40, 39, 40, 142, 39, 40, 74, 75,
- 54, 55, 56, 57, 93, 94, 95, 96, 134, 106,
- 86, 113, 71, 137, 66, 112, 127, 122, 136, 139,
- 132, 133, 0, 76, 77, 71, 72, 73, 71, 48,
- 49, 41, 102, 103, 115, 105, 121, 123, 124, 78,
- 79, 80, 128, 87, 88, 116, 116, 116, 116, 89,
- 90, 91, 92, 39, 40, 0, 99, 0, 81, 0,
- 100, 82, 78, 79, 80, 0, 0, 107, 71, 109,
- 126, 71, 50, 110, 129, 93, 94, 95, 96, 0,
- 71, 81, 0, 0, 82, 0, 118, 119, 120, 0,
- 129, 0, 1, 0, 138, 2, 3, 4, 5, 6,
- 0, 0, 0, 7, 8, 9, 10, 11, 12, 0,
- 0, 0, 0, 13, 14, 15, 16, 17, 18, 19,
- 0, 0, 0, 0, 20, 21, 22, 23, 0, 24,
- 25, 0, 26, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 27, 28,
- 29, 30, 101, 1, 0, 0, 2, 3, 4, 5,
- 6, 114, 0, 0, 7, 8, 9, 10, 11, 12,
- 0, 0, 0, 0, 13, 14, 15, 16, 17, 18,
- 19, 0, 0, 0, 0, 20, 21, 22, 23, 0,
- 24, 25, 1, 26, 0, 2, 3, 4, 5, 6,
- 0, 0, 0, 7, 8, 9, 10, 11, 12, 27,
- 28, 29, 30, 13, 14, 15, 16, 17, 18, 19,
- 0, 0, 0, 0, 20, 21, 22, 23, 0, 24,
- 25, 1, 26, 0, 2, 3, 4, 5, 6, 0,
- 0, 0, 7, 8, 9, 10, 11, 12, 27, 28,
- 29, 30, 13, 14, 15, 16, 17, 18, 19, 0,
- 0, 0, 0, 0, 0, 22, 23, 0, 24, 25,
- 0, 26, 0, 2, 3, 4, 5, 6, 0, 0,
- 0, 7, 8, 9, 10, 11, 12, 27, 28, 29,
- 30, 13, 14, 15, 16, 17, 18, 19, 76, 125,
- 0, 0, 0, 0, 22, 23, 0, 24, 25, 0,
- 26, 0, 0, 0, 78, 79, 80, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 27, 28, 29, 30,
- 0, 0, 0, 81, 0, 0, 82
- };
-
- static const short yycheck[] = { 0,
- 77, 1, 20, 21, 6, 7, 8, 15, 16, 17,
- 18, 74, 64, 31, 27, 25, 25, 64, 25, 25,
- 22, 3, 4, 5, 26, 64, 0, 3, 4, 30,
- 26, 26, 27, 26, 27, 0, 26, 27, 14, 15,
- 9, 10, 11, 12, 33, 34, 35, 36, 125, 76,
- 51, 85, 70, 131, 23, 65, 65, 97, 65, 65,
- 123, 124, -1, 6, 7, 83, 3, 4, 86, 64,
- 65, 64, 72, 73, 64, 75, 65, 14, 15, 22,
- 23, 24, 114, 52, 53, 93, 94, 95, 96, 58,
- 59, 60, 61, 26, 27, -1, 65, -1, 41, -1,
- 69, 44, 22, 23, 24, -1, -1, 76, 126, 78,
- 111, 129, 114, 82, 115, 33, 34, 35, 36, -1,
- 138, 41, -1, -1, 44, -1, 94, 95, 96, -1,
- 131, -1, 5, -1, 135, 8, 9, 10, 11, 12,
- -1, -1, -1, 16, 17, 18, 19, 20, 21, -1,
- -1, -1, -1, 26, 27, 28, 29, 30, 31, 32,
- -1, -1, -1, -1, 37, 38, 39, 40, -1, 42,
- 43, -1, 45, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, 61, 62,
- 63, 64, 65, 5, -1, -1, 8, 9, 10, 11,
- 12, 13, -1, -1, 16, 17, 18, 19, 20, 21,
- -1, -1, -1, -1, 26, 27, 28, 29, 30, 31,
- 32, -1, -1, -1, -1, 37, 38, 39, 40, -1,
- 42, 43, 5, 45, -1, 8, 9, 10, 11, 12,
- -1, -1, -1, 16, 17, 18, 19, 20, 21, 61,
- 62, 63, 64, 26, 27, 28, 29, 30, 31, 32,
- -1, -1, -1, -1, 37, 38, 39, 40, -1, 42,
- 43, 5, 45, -1, 8, 9, 10, 11, 12, -1,
- -1, -1, 16, 17, 18, 19, 20, 21, 61, 62,
- 63, 64, 26, 27, 28, 29, 30, 31, 32, -1,
- -1, -1, -1, -1, -1, 39, 40, -1, 42, 43,
- -1, 45, -1, 8, 9, 10, 11, 12, -1, -1,
- -1, 16, 17, 18, 19, 20, 21, 61, 62, 63,
- 64, 26, 27, 28, 29, 30, 31, 32, 6, 7,
- -1, -1, -1, -1, 39, 40, -1, 42, 43, -1,
- 45, -1, -1, -1, 22, 23, 24, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, 61, 62, 63, 64,
- -1, -1, -1, 41, -1, -1, 44
- };
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "/usr/lib/bison.simple"
-
- /* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- #ifndef alloca
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else /* not GNU C. */
- #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
- #include <alloca.h>
- #else /* not sparc */
- #if defined (MSDOS) && !defined (__TURBOC__)
- #include <malloc.h>
- #else /* not MSDOS, or __TURBOC__ */
- #if defined(_AIX)
- #include <malloc.h>
- #pragma alloca
- #else /* not MSDOS, __TURBOC__, or _AIX */
- #ifdef __hpux
- #ifdef __cplusplus
- extern "C" {
- void *alloca (unsigned int);
- };
- #else /* not __cplusplus */
- void *alloca ();
- #endif /* not __cplusplus */
- #endif /* __hpux */
- #endif /* not _AIX */
- #endif /* not MSDOS, or __TURBOC__ */
- #endif /* not sparc. */
- #endif /* not GNU C. */
- #endif /* alloca not defined. */
-
- /* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
- /* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
-
- #define yyerrok (yyerrstatus = 0)
- #define yyclearin (yychar = YYEMPTY)
- #define YYEMPTY -2
- #define YYEOF 0
- #define YYACCEPT return(0)
- #define YYABORT return(1)
- #define YYERROR goto yyerrlab1
- /* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
- #define YYFAIL goto yyerrlab
- #define YYRECOVERING() (!!yyerrstatus)
- #define YYBACKUP(token, value) \
- do \
- if (yychar == YYEMPTY && yylen == 1) \
- { yychar = (token), yylval = (value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
- while (0)
-
- #define YYTERROR 1
- #define YYERRCODE 256
-
- #ifndef YYPURE
- #define YYLEX yylex()
- #endif
-
- #ifdef YYPURE
- #ifdef YYLSP_NEEDED
- #define YYLEX yylex(&yylval, &yylloc)
- #else
- #define YYLEX yylex(&yylval)
- #endif
- #endif
-
- /* If nonreentrant, generate the variables here */
-
- #ifndef YYPURE
-
- int yychar; /* the lookahead symbol */
- YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
- #endif
-
- int yynerrs; /* number of parse errors so far */
- #endif /* not YYPURE */
-
- #if YYDEBUG != 0
- int yydebug; /* nonzero means print parse trace */
- /* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
- #endif
-
- /* YYINITDEPTH indicates the initial size of the parser's stacks */
-
- #ifndef YYINITDEPTH
- #define YYINITDEPTH 200
- #endif
-
- /* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
-
- #if YYMAXDEPTH == 0
- #undef YYMAXDEPTH
- #endif
-
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 10000
- #endif
-
- /* Prevent warning if -Wstrict-prototypes. */
- #ifdef __GNUC__
- int yyparse (void);
- #endif
-
- #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
- #define __yy_bcopy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
- #else /* not GNU C or C++ */
- #ifndef __cplusplus
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_bcopy (from, to, count)
- char *from;
- char *to;
- int count;
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #else /* __cplusplus */
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_bcopy (char *from, char *to, int count)
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #endif
- #endif
-
- #line 184 "/usr/lib/bison.simple"
- int
- yyparse()
- {
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
-
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-
- #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
- #else
- #define YYPOPSTACK (yyvsp--, yyssp--)
- #endif
-
- int yystacksize = YYINITDEPTH;
-
- #ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
- #endif
- #endif
-
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
-
- int yylen;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
- #endif
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
-
- yyssp = yyss - 1;
- yyvsp = yyvs;
- #ifdef YYLSP_NEEDED
- yylsp = yyls;
- #endif
-
- /* Push a new state, which is found in yystate . */
- /* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
- yynewstate:
-
- *++yyssp = yystate;
-
- if (yyssp >= yyss + yystacksize - 1)
- {
- /* Give user a chance to reallocate the stack */
- /* Use copies of these so that the &'s don't force the real ones into memory. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
- #ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- #endif
-
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
-
- #ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
- #ifdef YYLSP_NEEDED
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
- #else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
- #endif
-
- yyss = yyss1; yyvs = yyvs1;
- #ifdef YYLSP_NEEDED
- yyls = yyls1;
- #endif
- #else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- return 2;
- }
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
- #ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
- #endif
- #endif /* no yyoverflow */
-
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
- #ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
- #endif
-
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
- #endif
-
- goto yybackup;
- yybackup:
-
- /* Do appropriate processing given the current state. */
- /* Read a lookahead token if we need one and don't already have one. */
- /* yyresume: */
-
- /* First try to decide what to do without reference to lookahead token. */
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
-
- if (yychar == YYEMPTY)
- {
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
- #endif
- yychar = YYLEX;
- }
-
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
- {
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
- #endif
- }
- else
- {
- yychar1 = YYTRANSLATE(yychar);
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
- #ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
- #endif
- fprintf (stderr, ")\n");
- }
- #endif
- }
-
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
-
- yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrlab;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- /* Shift the lookahead token. */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
- #endif
-
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
-
- yystate = yyn;
- goto yynewstate;
-
- /* Do the default action for the current state. */
- yydefault:
-
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
-
- /* Do a reduction. yyn is the number of a rule to reduce with. */
- yyreduce:
- yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- int i;
-
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
- #endif
-
-
- switch (yyn) {
-
- case 2:
- #line 126 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].b->top_level(); non_empty_flag = 1; ;
- break;}
- case 3:
- #line 131 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 4:
- #line 133 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- {
- list_box *lb = yyvsp[-1].b->to_list_box();
- if (!lb)
- lb = new list_box(yyvsp[-1].b);
- lb->append(yyvsp[0].b);
- yyval.b = lb;
- ;
- break;}
- case 5:
- #line 144 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 6:
- #line 146 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_mark_box(yyvsp[0].b); ;
- break;}
- case 7:
- #line 148 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_lineup_box(yyvsp[0].b); ;
- break;}
- case 8:
- #line 153 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 9:
- #line 155 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_limit_box(yyvsp[-2].b, 0, yyvsp[0].b); ;
- break;}
- case 10:
- #line 157 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_limit_box(yyvsp[-2].b, yyvsp[0].b, 0); ;
- break;}
- case 11:
- #line 159 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_limit_box(yyvsp[-4].b, yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 12:
- #line 161 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_limit_box(yyvsp[-4].b, make_limit_box(yyvsp[-2].b, yyvsp[0].b, 0), 0); ;
- break;}
- case 13:
- #line 166 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 14:
- #line 168 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_sqrt_box(yyvsp[0].b); ;
- break;}
- case 15:
- #line 170 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_over_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 16:
- #line 172 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_small_over_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 17:
- #line 177 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 18:
- #line 179 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_script_box(yyvsp[-2].b, 0, yyvsp[0].b); ;
- break;}
- case 19:
- #line 184 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 20:
- #line 186 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_script_box(yyvsp[-2].b, yyvsp[0].b, 0); ;
- break;}
- case 21:
- #line 188 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_script_box(yyvsp[-4].b, yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 22:
- #line 193 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = split_text(yyvsp[0].str); ;
- break;}
- case 23:
- #line 195 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new quoted_text_box(yyvsp[0].str); ;
- break;}
- case 24:
- #line 197 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = split_text(yyvsp[0].str); ;
- break;}
- case 25:
- #line 199 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new quoted_text_box(yyvsp[0].str); ;
- break;}
- case 26:
- #line 201 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new half_space_box; ;
- break;}
- case 27:
- #line 203 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new space_box; ;
- break;}
- case 28:
- #line 205 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new tab_box; ;
- break;}
- case 29:
- #line 207 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[-1].b; ;
- break;}
- case 30:
- #line 209 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].pb->set_alignment(CENTER_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 31:
- #line 211 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].pb->set_alignment(LEFT_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 32:
- #line 213 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].pb->set_alignment(RIGHT_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 33:
- #line 215 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].pb->set_alignment(CENTER_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 34:
- #line 217 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = yyvsp[-1].mb; ;
- break;}
- case 35:
- #line 219 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_delim_box(yyvsp[-3].str, yyvsp[-2].b, yyvsp[0].str); ;
- break;}
- case 36:
- #line 221 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_delim_box(yyvsp[-1].str, yyvsp[0].b, 0); ;
- break;}
- case 37:
- #line 223 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_overline_box(yyvsp[-1].b); ;
- break;}
- case 38:
- #line 225 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_underline_box(yyvsp[-1].b); ;
- break;}
- case 39:
- #line 227 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_prime_box(yyvsp[-1].b); ;
- break;}
- case 40:
- #line 229 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_accent_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 41:
- #line 231 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_uaccent_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 42:
- #line 233 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new font_box(strsave(get_grfont()), yyvsp[0].b); ;
- break;}
- case 43:
- #line 235 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new font_box(strsave(get_gbfont()), yyvsp[0].b); ;
- break;}
- case 44:
- #line 237 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new font_box(strsave(get_gfont()), yyvsp[0].b); ;
- break;}
- case 45:
- #line 239 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new fat_box(yyvsp[0].b); ;
- break;}
- case 46:
- #line 241 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new font_box(yyvsp[-1].str, yyvsp[0].b); ;
- break;}
- case 47:
- #line 243 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new size_box(yyvsp[-1].str, yyvsp[0].b); ;
- break;}
- case 48:
- #line 245 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new hmotion_box(yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 49:
- #line 247 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new hmotion_box(-yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 50:
- #line 249 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new vmotion_box(yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 51:
- #line 251 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new vmotion_box(-yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 52:
- #line 253 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].b->set_spacing_type(yyvsp[-1].str); yyval.b = yyvsp[0].b; ;
- break;}
- case 53:
- #line 255 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = new vcenter_box(yyvsp[0].b); ;
- break;}
- case 54:
- #line 257 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.b = make_special_box(yyvsp[-1].str, yyvsp[0].b); ;
- break;}
- case 55:
- #line 262 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- {
- int n;
- if (sscanf(yyvsp[0].str, "%d", &n) == 1)
- yyval.n = n;
- a_delete yyvsp[0].str;
- ;
- break;}
- case 56:
- #line 272 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.pb = new pile_box(yyvsp[0].b); ;
- break;}
- case 57:
- #line 274 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[-2].pb->append(yyvsp[0].b); yyval.pb = yyvsp[-2].pb; ;
- break;}
- case 58:
- #line 279 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.pb = yyvsp[-1].pb; ;
- break;}
- case 59:
- #line 281 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[-1].pb->set_space(yyvsp[-3].n); yyval.pb = yyvsp[-1].pb; ;
- break;}
- case 60:
- #line 286 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.mb = new matrix_box(yyvsp[0].col); ;
- break;}
- case 61:
- #line 288 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[-1].mb->append(yyvsp[0].col); yyval.mb = yyvsp[-1].mb; ;
- break;}
- case 62:
- #line 293 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.col = new column(yyvsp[0].b); ;
- break;}
- case 63:
- #line 295 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[-2].col->append(yyvsp[0].b); yyval.col = yyvsp[-2].col; ;
- break;}
- case 64:
- #line 300 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.col = yyvsp[-1].col; ;
- break;}
- case 65:
- #line 302 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[-1].col->set_space(yyvsp[-3].n); yyval.col = yyvsp[-1].col; ;
- break;}
- case 66:
- #line 307 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].col->set_alignment(CENTER_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 67:
- #line 309 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].col->set_alignment(LEFT_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 68:
- #line 311 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].col->set_alignment(RIGHT_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 69:
- #line 313 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyvsp[0].col->set_alignment(CENTER_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 70:
- #line 317 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.str = yyvsp[0].str; ;
- break;}
- case 71:
- #line 319 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.str = yyvsp[0].str; ;
- break;}
- case 72:
- #line 324 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.str = yyvsp[0].str; ;
- break;}
- case 73:
- #line 326 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.str = strsave("{"); ;
- break;}
- case 74:
- #line 328 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
- { yyval.str = strsave("}"); ;
- break;}
- }
- /* the action file gets copied in in place of this dollarsign */
- #line 465 "/usr/lib/bison.simple"
-
- yyvsp -= yylen;
- yyssp -= yylen;
- #ifdef YYLSP_NEEDED
- yylsp -= yylen;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- *++yyvsp = yyval;
-
- #ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
- }
- #endif
-
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
- yyerrlab: /* here on detecting error */
-
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
- {
- ++yynerrs;
-
- #ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
- }
- else
- #endif /* YYERROR_VERBOSE */
- yyerror("parse error");
- }
-
- goto yyerrlab1;
- yyerrlab1: /* here on error raised explicitly by an action */
-
- if (yyerrstatus == 3)
- {
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
-
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
- #endif
-
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token
- after shifting the error token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
- yyerrdefault: /* current state does not do anything special for the error token. */
-
- #if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
- #endif
-
- yyerrpop: /* pop the current state because it cannot handle the error token */
-
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
- #ifdef YYLSP_NEEDED
- yylsp--;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- yyerrhandle:
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
- #endif
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- yystate = yyn;
- goto yynewstate;
- }
- #line 331 "/ISO/groff/groff-1.09-amiga/eqn/eqn.y"
-
-