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-
- /* A Bison parser, made from eqn.y */
-
- #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 SPACE 300
- #define GFONT 301
- #define GSIZE 302
- #define DEFINE 303
- #define NDEFINE 304
- #define TDEFINE 305
- #define SDEFINE 306
- #define UNDEF 307
- #define IFDEF 308
- #define INCLUDE 309
- #define DELIM 310
- #define CHARTYPE 311
- #define SET 312
- #define GRFONT 313
- #define GBFONT 314
-
- #line 19 "eqn.y"
-
- #include <stdio.h>
- #include <string.h>
- #include <stdlib.h>
-
- #include "box.h"
- extern int non_empty_flag;
- char *strsave(const char *);
- #define YYDEBUG 1
- int yylex();
- void yyerror(const char *);
-
- #line 32 "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 __STDC__
- #define const
- #endif
-
-
-
- #define YYFINAL 139
- #define YYFLAG -32768
- #define YYNTBASE 65
-
- #define YYTRANSLATE(x) ((unsigned)(x) <= 314 ? yytranslate[x] : 82)
-
- static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 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, 60, 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, 63, 2, 64, 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, 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
- };
-
- #if YYDEBUG != 0
- static const short yyrline[] = { 0,
- 122, 124, 128, 131, 141, 144, 146, 150, 153, 155,
- 157, 159, 163, 166, 168, 170, 174, 177, 181, 184,
- 186, 190, 193, 195, 197, 199, 201, 203, 205, 207,
- 209, 211, 213, 215, 217, 219, 221, 223, 225, 227,
- 229, 231, 233, 235, 237, 239, 241, 243, 245, 247,
- 249, 251, 253, 257, 267, 270, 274, 277, 281, 284,
- 288, 291, 295, 298, 302, 305, 307, 309, 313, 315,
- 319, 322, 324
- };
-
- static const char * const yytname[] = { 0,
- "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","SPACE","GFONT","GSIZE","DEFINE","NDEFINE","TDEFINE",
- "SDEFINE","UNDEF","IFDEF","INCLUDE","DELIM","CHARTYPE","SET","GRFONT","GBFONT","'^'",
- "'~'","'\\t'","'{'","'}'","top"
- };
- #endif
-
- static const short yyr1[] = { 0,
- 65, 65, 66, 66, 67, 67, 67, 68, 68, 68,
- 68, 68, 69, 69, 69, 69, 70, 70, 71, 71,
- 71, 72, 72, 72, 72, 72, 72, 72, 72, 72,
- 72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
- 72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
- 72, 72, 72, 73, 74, 74, 75, 75, 76, 76,
- 77, 77, 78, 78, 79, 79, 79, 79, 80, 80,
- 81, 81, 81
- };
-
- 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, 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, 26, 27, 28, 0, 2,
- 3, 5, 8, 13, 17, 19, 14, 69, 70, 0,
- 0, 31, 54, 32, 33, 30, 72, 73, 71, 0,
- 0, 0, 42, 43, 44, 45, 0, 0, 0, 0,
- 0, 6, 7, 0, 53, 24, 25, 0, 4, 0,
- 0, 0, 0, 0, 0, 0, 37, 38, 39, 0,
- 55, 0, 0, 36, 47, 46, 48, 49, 51, 50,
- 0, 0, 0, 0, 0, 59, 52, 29, 15, 16,
- 9, 10, 20, 19, 18, 40, 41, 0, 57, 0,
- 0, 0, 0, 65, 66, 67, 68, 34, 60, 0,
- 0, 0, 56, 58, 35, 61, 0, 0, 11, 12,
- 21, 0, 63, 0, 62, 64, 0, 0, 0
- };
-
- static const short yydefgoto[] = { 137,
- 81, 31, 32, 33, 34, 35, 36, 41, 82, 42,
- 95, 127, 114, 96, 43, 50
- };
-
- static const short yypact[] = { 259,
- 318, 1, 1, 1, 1, 4, 70, 70, 356, 356,
- 356, 356,-32768,-32768, 70, 70, 70, 70, -46, 259,
- 259, 70, 356, 9, 22,-32768,-32768,-32768, 259, 259,
- -32768,-32768, 20,-32768,-32768, 15,-32768,-32768,-32768, 259,
- -44,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 259,
- 356, 356, 58, 58, 58, 58, 356, 356, 356, 356,
- 11,-32768,-32768, 356, 58,-32768,-32768, 140,-32768, 318,
- 318, 318, 318, 356, 356, 356,-32768,-32768,-32768, 356,
- 259, -12, 259, 200, 58, 58, 58, 58, 58, 58,
- 6, 6, 6, 6, 7,-32768, 58,-32768,-32768,-32768,
- -32768, 91,-32768, 383,-32768,-32768,-32768, 259,-32768, -11,
- 4, 259, -38,-32768,-32768,-32768,-32768,-32768,-32768, 318,
- 318, 356, 259,-32768,-32768, 259, -10, 259,-32768,-32768,
- -32768, 259,-32768, -7, 259,-32768, 26, 51,-32768
- };
-
- static const short yypgoto[] = {-32768,
- 0, -19, -60, 2, -59, -16, 67, -8, -28, 84,
- -32768, -62, -1, -25, -2, -37
- };
-
-
- #define YYLAST 427
-
-
- static const short yytable[] = { 30,
- 62, 63, 37, 49, 51, 52, 57, 58, 59, 60,
- 69, 101, 108, 108, 132, 105, 61, 132, 83, 64,
- 74, 75, 70, 71, 128, 138, 38, 39, 68, 38,
- 39, 38, 39, 72, 73, 66, 76, 77, 78, 91,
- 92, 93, 94, 91, 92, 93, 94, 67, 69, 84,
- 139, 109, 124, 133, 110, 79, 136, 103, 80, 129,
- 130, 69, 131, 40, 69, 134, 47, 48, 112, 119,
- 118, 99, 100, 125, 102, 53, 54, 55, 56, 76,
- 77, 78, 113, 113, 113, 113, 44, 45, 46, 65,
- 115, 116, 117, 70, 71, 38, 39, 0, 79, 0,
- 0, 80, 0, 69, 120, 121, 69, 123, 49, 0,
- 0, 126, 0, 0, 0, 69, 0, 85, 86, 0,
- 0, 0, 0, 87, 88, 89, 90, 126, 0, 0,
- 97, 135, 0, 0, 0, 0, 0, 0, 0, 0,
- 104, 0, 106, 0, 1, 0, 107, 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, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 26,
- 27, 28, 29, 98, 1, 0, 0, 2, 3, 4,
- 5, 6, 111, 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, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 26,
- 27, 28, 29, 1, 0, 0, 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, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 26, 27,
- 28, 29, 1, 0, 0, 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, 0, 0, 22, 23, 0, 24,
- 25, 0, 0, 2, 3, 4, 5, 6, 0, 0,
- 0, 7, 8, 9, 10, 11, 12, 26, 27, 28,
- 29, 13, 14, 15, 16, 17, 18, 19, 74, 122,
- 0, 0, 0, 0, 22, 23, 0, 24, 25, 0,
- 0, 0, 0, 0, 76, 77, 78, 0, 0, 0,
- 0, 0, 0, 0, 0, 26, 27, 28, 29, 0,
- 0, 0, 0, 79, 0, 0, 80
- };
-
- static const short yycheck[] = { 0,
- 20, 21, 1, 6, 7, 8, 15, 16, 17, 18,
- 30, 72, 25, 25, 25, 75, 63, 25, 63, 22,
- 6, 7, 3, 4, 63, 0, 26, 27, 29, 26,
- 27, 26, 27, 14, 15, 27, 22, 23, 24, 33,
- 34, 35, 36, 33, 34, 35, 36, 26, 68, 50,
- 0, 64, 64, 64, 83, 41, 64, 74, 44, 120,
- 121, 81, 122, 63, 84, 128, 63, 64, 63, 95,
- 64, 70, 71, 111, 73, 9, 10, 11, 12, 22,
- 23, 24, 91, 92, 93, 94, 3, 4, 5, 23,
- 92, 93, 94, 3, 4, 26, 27, -1, 41, -1,
- -1, 44, -1, 123, 14, 15, 126, 108, 111, -1,
- -1, 112, -1, -1, -1, 135, -1, 51, 52, -1,
- -1, -1, -1, 57, 58, 59, 60, 128, -1, -1,
- 64, 132, -1, -1, -1, -1, -1, -1, -1, -1,
- 74, -1, 76, -1, 5, -1, 80, 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, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, 60,
- 61, 62, 63, 64, 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, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, 60,
- 61, 62, 63, 5, -1, -1, 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, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, 60, 61,
- 62, 63, 5, -1, -1, 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, -1, -1, 39, 40, -1, 42,
- 43, -1, -1, 8, 9, 10, 11, 12, -1, -1,
- -1, 16, 17, 18, 19, 20, 21, 60, 61, 62,
- 63, 26, 27, 28, 29, 30, 31, 32, 6, 7,
- -1, -1, -1, -1, 39, 40, -1, 42, 43, -1,
- -1, -1, -1, -1, 22, 23, 24, -1, -1, -1,
- -1, -1, -1, -1, -1, 60, 61, 62, 63, -1,
- -1, -1, -1, 41, -1, -1, 44
- };
- #define YYPURE 1
-
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "/usr/local/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. */
-
-
- #ifdef __GNUC__
- #ifndef alloca
- #define alloca __builtin_alloca
- #endif /* Not alloca. */
- #else /* Not GNU C. */
- #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__)
- #include <alloca.h>
- #endif /* Sparc. */
- #endif /* Not GNU C. */
-
- /* 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 YYIMPURE
- #define YYLEX yylex()
- #endif
-
- #ifndef YYPURE
- #define YYLEX yylex(&yylval, &yylloc)
- #endif
-
- /* If nonreentrant, generate the variables here */
-
- #ifndef YYIMPURE
-
- 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 /* YYIMPURE */
-
- #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
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- #ifdef __cplusplus
- __yy_bcopy (char *from, char *to, int count)
- #else
- __yy_bcopy (from, to, count)
- char *from;
- char *to;
- int count;
- #endif
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #line 137 "/usr/local/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; /* 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 *yyls = yylsa;
- YYLTYPE *yylsp;
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
-
- #define YYPOPSTACK (yyvsp--, yysp--, yylsp--)
- #else
- #define YYPOPSTACK (yyvsp--, yysp--)
- #endif
-
- int yystacksize = YYINITDEPTH;
-
- #ifndef 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. */
-
- 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. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- #ifdef YYLSP_NEEDED
- &yyls1, size * sizeof (*yylsp),
- #endif
- &yystacksize);
-
- 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
-
- 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)\n", yychar, yytname[yychar1]);
- #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];
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- if (yylen == 1)
- fprintf (stderr, "Reducing 1 value via rule %d (line %d), ",
- yyn, yyrline[yyn]);
- else
- fprintf (stderr, "Reducing %d values via rule %d (line %d), ",
- yylen, yyn, yyrline[yyn]);
- }
- #endif
-
-
- switch (yyn) {
-
- case 2:
- #line 125 "eqn.y"
- { yyvsp[0].b->top_level(); non_empty_flag = 1; ;
- break;}
- case 3:
- #line 130 "eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 4:
- #line 132 "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 143 "eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 6:
- #line 145 "eqn.y"
- { yyval.b = make_mark_box(yyvsp[0].b); ;
- break;}
- case 7:
- #line 147 "eqn.y"
- { yyval.b = make_lineup_box(yyvsp[0].b); ;
- break;}
- case 8:
- #line 152 "eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 9:
- #line 154 "eqn.y"
- { yyval.b = make_limit_box(yyvsp[-2].b, 0, yyvsp[0].b); ;
- break;}
- case 10:
- #line 156 "eqn.y"
- { yyval.b = make_limit_box(yyvsp[-2].b, yyvsp[0].b, 0); ;
- break;}
- case 11:
- #line 158 "eqn.y"
- { yyval.b = make_limit_box(yyvsp[-4].b, yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 12:
- #line 160 "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 165 "eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 14:
- #line 167 "eqn.y"
- { yyval.b = make_sqrt_box(yyvsp[0].b); ;
- break;}
- case 15:
- #line 169 "eqn.y"
- { yyval.b = make_over_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 16:
- #line 171 "eqn.y"
- { yyval.b = make_small_over_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 17:
- #line 176 "eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 18:
- #line 178 "eqn.y"
- { yyval.b = make_script_box(yyvsp[-2].b, 0, yyvsp[0].b); ;
- break;}
- case 19:
- #line 183 "eqn.y"
- { yyval.b = yyvsp[0].b; ;
- break;}
- case 20:
- #line 185 "eqn.y"
- { yyval.b = make_script_box(yyvsp[-2].b, yyvsp[0].b, 0); ;
- break;}
- case 21:
- #line 187 "eqn.y"
- { yyval.b = make_script_box(yyvsp[-4].b, yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 22:
- #line 192 "eqn.y"
- { yyval.b = split_text(yyvsp[0].str); ;
- break;}
- case 23:
- #line 194 "eqn.y"
- { yyval.b = new quoted_text_box(yyvsp[0].str); ;
- break;}
- case 24:
- #line 196 "eqn.y"
- { yyval.b = split_text(yyvsp[0].str); ;
- break;}
- case 25:
- #line 198 "eqn.y"
- { yyval.b = new quoted_text_box(yyvsp[0].str); ;
- break;}
- case 26:
- #line 200 "eqn.y"
- { yyval.b = new half_space_box; ;
- break;}
- case 27:
- #line 202 "eqn.y"
- { yyval.b = new space_box; ;
- break;}
- case 28:
- #line 204 "eqn.y"
- { yyval.b = new tab_box; ;
- break;}
- case 29:
- #line 206 "eqn.y"
- { yyval.b = yyvsp[-1].b; ;
- break;}
- case 30:
- #line 208 "eqn.y"
- { yyvsp[0].pb->set_alignment(CENTER_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 31:
- #line 210 "eqn.y"
- { yyvsp[0].pb->set_alignment(LEFT_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 32:
- #line 212 "eqn.y"
- { yyvsp[0].pb->set_alignment(RIGHT_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 33:
- #line 214 "eqn.y"
- { yyvsp[0].pb->set_alignment(CENTER_ALIGN); yyval.b = yyvsp[0].pb; ;
- break;}
- case 34:
- #line 216 "eqn.y"
- { yyval.b = yyvsp[-1].mb; ;
- break;}
- case 35:
- #line 218 "eqn.y"
- { yyval.b = make_delim_box(yyvsp[-3].str, yyvsp[-2].b, yyvsp[0].str); ;
- break;}
- case 36:
- #line 220 "eqn.y"
- { yyval.b = make_delim_box(yyvsp[-1].str, yyvsp[0].b, 0); ;
- break;}
- case 37:
- #line 222 "eqn.y"
- { yyval.b = make_overline_box(yyvsp[-1].b); ;
- break;}
- case 38:
- #line 224 "eqn.y"
- { yyval.b = make_underline_box(yyvsp[-1].b); ;
- break;}
- case 39:
- #line 226 "eqn.y"
- { yyval.b = make_prime_box(yyvsp[-1].b); ;
- break;}
- case 40:
- #line 228 "eqn.y"
- { yyval.b = make_accent_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 41:
- #line 230 "eqn.y"
- { yyval.b = make_uaccent_box(yyvsp[-2].b, yyvsp[0].b); ;
- break;}
- case 42:
- #line 232 "eqn.y"
- { yyval.b = new font_box(strsave(get_grfont()), yyvsp[0].b); ;
- break;}
- case 43:
- #line 234 "eqn.y"
- { yyval.b = new font_box(strsave(get_gbfont()), yyvsp[0].b); ;
- break;}
- case 44:
- #line 236 "eqn.y"
- { yyval.b = new font_box(strsave(get_gfont()), yyvsp[0].b); ;
- break;}
- case 45:
- #line 238 "eqn.y"
- { yyval.b = new fat_box(yyvsp[0].b); ;
- break;}
- case 46:
- #line 240 "eqn.y"
- { yyval.b = new font_box(yyvsp[-1].str, yyvsp[0].b); ;
- break;}
- case 47:
- #line 242 "eqn.y"
- { yyval.b = new size_box(yyvsp[-1].str, yyvsp[0].b); ;
- break;}
- case 48:
- #line 244 "eqn.y"
- { yyval.b = new hmotion_box(yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 49:
- #line 246 "eqn.y"
- { yyval.b = new hmotion_box(-yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 50:
- #line 248 "eqn.y"
- { yyval.b = new vmotion_box(yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 51:
- #line 250 "eqn.y"
- { yyval.b = new vmotion_box(-yyvsp[-1].n, yyvsp[0].b); ;
- break;}
- case 52:
- #line 252 "eqn.y"
- { yyvsp[0].b->set_spacing_type(yyvsp[-1].str); yyval.b = yyvsp[0].b; ;
- break;}
- case 53:
- #line 254 "eqn.y"
- { yyval.b = new vcenter_box(yyvsp[0].b); ;
- break;}
- case 54:
- #line 259 "eqn.y"
- {
- int n;
- if (sscanf(yyvsp[0].str, "%d", &n) == 1)
- yyval.n = n;
- delete yyvsp[0].str;
- ;
- break;}
- case 55:
- #line 269 "eqn.y"
- { yyval.pb = new pile_box(yyvsp[0].b); ;
- break;}
- case 56:
- #line 271 "eqn.y"
- { yyvsp[-2].pb->append(yyvsp[0].b); yyval.pb = yyvsp[-2].pb; ;
- break;}
- case 57:
- #line 276 "eqn.y"
- { yyval.pb = yyvsp[-1].pb; ;
- break;}
- case 58:
- #line 278 "eqn.y"
- { yyvsp[-1].pb->set_space(yyvsp[-3].n); yyval.pb = yyvsp[-1].pb; ;
- break;}
- case 59:
- #line 283 "eqn.y"
- { yyval.mb = new matrix_box(yyvsp[0].col); ;
- break;}
- case 60:
- #line 285 "eqn.y"
- { yyvsp[-1].mb->append(yyvsp[0].col); yyval.mb = yyvsp[-1].mb; ;
- break;}
- case 61:
- #line 290 "eqn.y"
- { yyval.col = new column(yyvsp[0].b); ;
- break;}
- case 62:
- #line 292 "eqn.y"
- { yyvsp[-2].col->append(yyvsp[0].b); yyval.col = yyvsp[-2].col; ;
- break;}
- case 63:
- #line 297 "eqn.y"
- { yyval.col = yyvsp[-1].col; ;
- break;}
- case 64:
- #line 299 "eqn.y"
- { yyvsp[-1].col->set_space(yyvsp[-3].n); yyval.col = yyvsp[-1].col; ;
- break;}
- case 65:
- #line 304 "eqn.y"
- { yyvsp[0].col->set_alignment(CENTER_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 66:
- #line 306 "eqn.y"
- { yyvsp[0].col->set_alignment(LEFT_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 67:
- #line 308 "eqn.y"
- { yyvsp[0].col->set_alignment(RIGHT_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 68:
- #line 310 "eqn.y"
- { yyvsp[0].col->set_alignment(CENTER_ALIGN); yyval.col = yyvsp[0].col; ;
- break;}
- case 69:
- #line 314 "eqn.y"
- { yyval.str = yyvsp[0].str; ;
- break;}
- case 70:
- #line 316 "eqn.y"
- { yyval.str = yyvsp[0].str; ;
- break;}
- case 71:
- #line 321 "eqn.y"
- { yyval.str = yyvsp[0].str; ;
- break;}
- case 72:
- #line 323 "eqn.y"
- { yyval.str = strsave("{"); ;
- break;}
- case 73:
- #line 325 "eqn.y"
- { yyval.str = strsave("}"); ;
- break;}
- }
- /* the action file gets copied in in place of this dollarsign */
- #line 362 "/usr/local/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;
- for (x = 0; x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) xmalloc(size + 15);
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = 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
- #endif /* YYERROR_VERBOSE */
- yyerror("parse error");
- }
-
- 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 328 "eqn.y"
-
-