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-rwxr-xr-xsrc/preproc/eqn/eqn.cc1277
1 files changed, 1277 insertions, 0 deletions
diff --git a/src/preproc/eqn/eqn.cc b/src/preproc/eqn/eqn.cc
new file mode 100755
index 00000000..1fdda611
--- /dev/null
+++ b/src/preproc/eqn/eqn.cc
@@ -0,0 +1,1277 @@
+#if defined(__STDC__) || defined(__cplusplus)
+#define YYCONST const
+#define YYPARAMS(x) x
+#define YYDEFUN(name, arglist, args) name(args)
+#define YYAND ,
+#define YYPTR void *
+#else
+#define YYCONST
+#define YYPARAMS(x) ()
+#define YYDEFUN(name, arglist, args) name arglist args;
+#define YYAND ;
+#define YYPTR char *
+#endif
+#ifndef lint
+YYCONST static char yysccsid[] = "@(#)yaccpar 1.8 (Berkeley +Cygnus.28) 01/20/91";
+#endif
+#define YYBYACC 1
+#ifndef YYDONT_INCLUDE_STDIO
+#include <stdio.h>
+#endif
+#ifdef __cplusplus
+#include <stdlib.h> /* for malloc/realloc/free */
+#endif
+#line 20 "eqn.y"
+#include <stdio.h>
+#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 "eqn.y"
+typedef union {
+ char *str;
+ box *b;
+ pile_box *pb;
+ matrix_box *mb;
+ int n;
+ column *col;
+} YYSTYPE;
+#line 45 "y.tab.c"
+#define OVER 257
+#define SMALLOVER 258
+#define SQRT 259
+#define SUB 260
+#define SUP 261
+#define LPILE 262
+#define RPILE 263
+#define CPILE 264
+#define PILE 265
+#define LEFT 266
+#define RIGHT 267
+#define TO 268
+#define FROM 269
+#define SIZE 270
+#define FONT 271
+#define ROMAN 272
+#define BOLD 273
+#define ITALIC 274
+#define FAT 275
+#define ACCENT 276
+#define BAR 277
+#define UNDER 278
+#define ABOVE 279
+#define TEXT 280
+#define QUOTED_TEXT 281
+#define FWD 282
+#define BACK 283
+#define DOWN 284
+#define UP 285
+#define MATRIX 286
+#define COL 287
+#define LCOL 288
+#define RCOL 289
+#define CCOL 290
+#define MARK 291
+#define LINEUP 292
+#define TYPE 293
+#define VCENTER 294
+#define PRIME 295
+#define SPLIT 296
+#define NOSPLIT 297
+#define UACCENT 298
+#define SPECIAL 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
+#define YYERRCODE 256
+static YYCONST short yylhs[] = { -1,
+ 0, 0, 6, 6, 1, 1, 1, 2, 2, 2,
+ 2, 2, 3, 3, 3, 3, 4, 4, 7, 7,
+ 7, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 8, 11, 11, 12, 12, 13,
+ 13, 16, 16, 15, 15, 14, 14, 14, 14, 9,
+ 9, 10, 10, 10,
+};
+static YYCONST short yylen[] = { 2,
+ 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 YYCONST short yydefred[] = { 0,
+ 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,
+ 0, 3, 5, 0, 13, 0, 0, 17, 14, 70,
+ 71, 0, 0, 55, 31, 32, 33, 30, 73, 74,
+ 72, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 6, 7, 0, 0, 24, 25, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 37, 38,
+ 39, 0, 4, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 60, 0,
+ 0, 29, 15, 16, 9, 0, 0, 20, 18, 40,
+ 41, 0, 58, 0, 0, 0, 0, 66, 67, 68,
+ 69, 34, 61, 0, 0, 0, 0, 59, 35, 0,
+ 0, 0, 11, 12, 21, 0, 64, 0, 0, 65,
+};
+static YYCONST short yydgoto[] = { 31,
+ 32, 33, 34, 35, 36, 84, 38, 43, 44, 52,
+ 85, 45, 98, 99, 118, 131,
+};
+static YYCONST short yysindex[] = { 1488,
+ 1527, -120, -120, -120, -120, -123, -249, -249, 1566, 1566,
+ 1566, 1566, 0, 0, -249, -249, -249, -249, -115, 1488,
+ 1488, -249, 1566, -256, -251, -249, 0, 0, 0, 1488,
+ 0, 0, 0, -221, 0, -233, 1488, 0, 0, 0,
+ 0, 1488, -85, 0, 0, 0, 0, 0, 0, 0,
+ 0, 1488, 1566, 1566, -195, -195, -195, -195, 1566, 1566,
+ 1566, 1566, -272, 0, 0, 1566, -195, 0, 0, 1566,
+ 1402, 1527, 1527, 1527, 1527, 1566, 1566, 1566, 0, 0,
+ 0, 1566, 0, 1488, -113, 1488, 1444, -195, -195, -195,
+ -195, -195, -195, -117, -117, -117, -117, -118, 0, -195,
+ -195, 0, 0, 0, 0, -167, -189, 0, 0, 0,
+ 0, 1488, 0, -106, -123, 1488, -83, 0, 0, 0,
+ 0, 0, 0, 1527, 1527, 1566, 1488, 0, 0, 1488,
+ -105, 1488, 0, 0, 0, 1488, 0, -104, 1488, 0,
+};
+static YYCONST short yyrindex[] = { 41,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 1, 0, 1220, 46, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 85, 128, 363, 406, 0, 0,
+ 0, 0, 0, 0, 0, 0, 449, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, -103, 0, 0, 185, 492, 727, 770,
+ 813, 856, 1091, 0, 0, 0, 0, 0, 0, 1134,
+ 1177, 0, 0, 0, 0, 42, 1220, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, -102, 0, 0, -101,
+ 0, 0, 0, 0, 0, 0, 0, 0, -99, 0,
+};
+static YYCONST short yygindex[] = { 0,
+ -7, -69, 3, -66, 458, 9, -26, 52, 27, -63,
+ -32, 54, 0, -35, 2, -59,
+};
+#define YYTABLESIZE 1865
+static YYCONST short yytable[] = { 49,
+ 8, 50, 42, 39, 105, 116, 122, 63, 37, 8,
+ 109, 113, 64, 65, 94, 95, 96, 97, 128, 137,
+ 140, 56, 57, 62, 68, 63, 76, 77, 69, 83,
+ 40, 41, 51, 53, 54, 72, 73, 86, 71, 132,
+ 1, 10, 78, 79, 80, 2, 74, 75, 66, 108,
+ 10, 129, 70, 114, 133, 134, 46, 47, 48, 135,
+ 87, 81, 123, 83, 82, 0, 59, 60, 61, 62,
+ 76, 126, 138, 0, 103, 104, 83, 106, 0, 83,
+ 78, 79, 80, 0, 42, 0, 78, 79, 80, 72,
+ 73, 0, 0, 42, 8, 0, 119, 120, 121, 81,
+ 124, 125, 82, 0, 0, 81, 0, 0, 82, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 83,
+ 127, 0, 83, 8, 130, 8, 8, 43, 0, 0,
+ 0, 83, 0, 0, 0, 10, 43, 0, 0, 0,
+ 130, 51, 0, 0, 139, 117, 117, 117, 117, 0,
+ 0, 0, 0, 0, 0, 0, 40, 41, 0, 40,
+ 41, 0, 40, 41, 10, 112, 10, 10, 94, 95,
+ 96, 97, 112, 136, 136, 56, 57, 62, 42, 63,
+ 0, 0, 0, 0, 36, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 42, 0, 42,
+ 42, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 43, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 43, 0, 43, 43, 0, 0, 0, 0, 0, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 0, 0,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 0, 0, 0,
+ 0, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 36,
+ 0, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 0, 0,
+ 0, 0, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 42, 42, 42, 42, 42, 42, 42, 42, 42,
+ 42, 42, 42, 42, 42, 42, 42, 42, 42, 42,
+ 0, 0, 44, 42, 42, 42, 42, 42, 42, 42,
+ 42, 44, 0, 0, 0, 42, 42, 42, 42, 0,
+ 42, 42, 0, 42, 43, 43, 43, 43, 43, 43,
+ 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+ 43, 43, 43, 0, 0, 45, 43, 43, 43, 43,
+ 43, 43, 43, 43, 45, 0, 0, 0, 43, 43,
+ 43, 43, 0, 43, 43, 0, 43, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 36, 36, 0, 36, 36, 0, 0, 53, 0,
+ 0, 0, 36, 36, 0, 0, 44, 53, 0, 0,
+ 36, 36, 36, 36, 0, 0, 55, 56, 57, 58,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 36,
+ 67, 0, 36, 0, 0, 44, 0, 44, 44, 0,
+ 0, 47, 0, 0, 0, 0, 0, 0, 0, 45,
+ 47, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 88, 89, 0, 0, 0, 0, 90, 91, 92, 93,
+ 0, 0, 0, 100, 0, 0, 0, 101, 45, 0,
+ 45, 45, 0, 107, 0, 110, 0, 0, 0, 111,
+ 0, 0, 53, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 53, 0, 53, 53, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 47, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 47, 0, 47, 47, 0, 44,
+ 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
+ 44, 44, 44, 44, 44, 44, 44, 44, 0, 0,
+ 0, 44, 44, 44, 44, 44, 44, 44, 44, 0,
+ 0, 0, 0, 44, 44, 44, 44, 0, 44, 44,
+ 0, 44, 45, 45, 45, 45, 45, 45, 45, 45,
+ 45, 45, 45, 45, 45, 45, 45, 45, 45, 45,
+ 45, 0, 0, 0, 45, 45, 45, 45, 45, 45,
+ 45, 45, 0, 0, 0, 0, 45, 45, 45, 45,
+ 0, 45, 45, 0, 45, 53, 53, 53, 53, 53,
+ 53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
+ 53, 53, 53, 53, 0, 0, 46, 53, 53, 53,
+ 53, 53, 53, 53, 53, 46, 0, 0, 0, 53,
+ 53, 53, 53, 0, 53, 53, 0, 53, 47, 47,
+ 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
+ 47, 47, 47, 47, 47, 47, 47, 0, 0, 48,
+ 47, 47, 47, 47, 47, 47, 47, 47, 48, 0,
+ 0, 0, 47, 47, 47, 47, 0, 47, 47, 0,
+ 47, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 49, 0, 0, 0, 0, 0, 0, 0,
+ 46, 49, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 46,
+ 0, 46, 46, 0, 0, 51, 0, 0, 0, 0,
+ 0, 0, 0, 48, 51, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 48, 0, 48, 48, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 49, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 49, 0, 49, 49, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 51,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 51, 0,
+ 51, 51, 0, 46, 46, 46, 46, 46, 46, 46,
+ 46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+ 46, 46, 0, 0, 0, 46, 46, 46, 46, 46,
+ 46, 46, 46, 0, 0, 0, 0, 46, 46, 46,
+ 46, 0, 46, 46, 0, 46, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 0, 0, 0, 48, 48,
+ 48, 48, 48, 48, 48, 48, 0, 0, 0, 0,
+ 48, 48, 48, 48, 0, 48, 48, 0, 48, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49, 0, 0,
+ 50, 49, 49, 49, 49, 49, 49, 49, 49, 50,
+ 0, 0, 0, 49, 49, 49, 49, 0, 49, 49,
+ 0, 49, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
+ 51, 0, 0, 52, 51, 51, 51, 51, 51, 51,
+ 51, 51, 52, 0, 0, 0, 51, 51, 51, 51,
+ 0, 51, 51, 0, 51, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 54, 0, 0, 0,
+ 0, 0, 0, 0, 50, 54, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 50, 0, 50, 50, 0, 0, 19,
+ 0, 0, 0, 0, 0, 0, 0, 52, 19, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 52, 0, 52, 52,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 54, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 54,
+ 0, 54, 54, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 19, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 19, 0, 19, 19, 0, 50, 50, 50,
+ 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
+ 50, 50, 50, 50, 50, 50, 0, 0, 0, 50,
+ 50, 50, 50, 50, 50, 50, 50, 0, 0, 0,
+ 0, 50, 50, 50, 50, 0, 50, 50, 0, 50,
+ 52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+ 52, 52, 52, 52, 52, 52, 52, 52, 52, 0,
+ 29, 0, 52, 52, 52, 52, 52, 52, 52, 52,
+ 0, 0, 0, 0, 52, 52, 52, 52, 0, 52,
+ 52, 0, 52, 54, 54, 54, 54, 54, 54, 54,
+ 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
+ 54, 54, 29, 0, 0, 54, 54, 54, 54, 54,
+ 54, 54, 54, 0, 0, 0, 0, 54, 54, 54,
+ 54, 0, 54, 54, 0, 54, 19, 19, 19, 0,
+ 0, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 27, 29, 0, 19, 19,
+ 19, 19, 19, 19, 19, 19, 0, 0, 0, 0,
+ 19, 19, 19, 19, 0, 19, 19, 0, 19, 0,
+ 0, 0, 0, 0, 30, 0, 102, 28, 0, 0,
+ 0, 0, 0, 0, 0, 29, 0, 27, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 30, 0, 0, 28,
+ 0, 0, 0, 0, 29, 0, 0, 0, 0, 0,
+ 0, 27, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 30, 0, 0, 28, 0, 0, 0, 0, 0, 0,
+ 27, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 30,
+ 0, 0, 28, 0, 0, 0, 0, 0, 0, 27,
+ 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, 30, 0,
+ 0, 28, 20, 21, 22, 23, 0, 24, 25, 0,
+ 26, 0, 1, 0, 0, 2, 3, 4, 5, 6,
+ 115, 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, 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, 1, 26, 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, 26, 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, 26,
+};
+static YYCONST short yycheck[] = { 123,
+ 0, 125, 123, 1, 74, 123, 125, 123, 0, 9,
+ 77, 125, 20, 21, 287, 288, 289, 290, 125, 125,
+ 125, 125, 125, 125, 281, 125, 260, 261, 280, 37,
+ 280, 281, 6, 7, 8, 257, 258, 123, 30, 123,
+ 0, 0, 276, 277, 278, 0, 268, 269, 22, 76,
+ 9, 115, 26, 86, 124, 125, 3, 4, 5, 126,
+ 52, 295, 98, 71, 298, -1, 15, 16, 17, 18,
+ 260, 261, 132, -1, 72, 73, 84, 75, -1, 87,
+ 276, 277, 278, -1, 0, -1, 276, 277, 278, 257,
+ 258, -1, -1, 9, 94, -1, 95, 96, 97, 295,
+ 268, 269, 298, -1, -1, 295, -1, -1, 298, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 127,
+ 112, -1, 130, 123, 116, 125, 126, 0, -1, -1,
+ -1, 139, -1, -1, -1, 94, 9, -1, -1, -1,
+ 132, 115, -1, -1, 136, 94, 95, 96, 97, -1,
+ -1, -1, -1, -1, -1, -1, 280, 281, -1, 280,
+ 281, -1, 280, 281, 123, 279, 125, 126, 287, 288,
+ 289, 290, 279, 279, 279, 279, 279, 279, 94, 279,
+ -1, -1, -1, -1, 0, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, 123, -1, 125,
+ 126, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, 94, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 123, -1, 125, 126, -1, -1, -1, -1, -1, 259,
+ 260, 261, 262, 263, 264, 265, 266, 267, -1, -1,
+ 270, 271, 272, 273, 274, 275, 276, 277, 278, 279,
+ 280, 281, 282, 283, 284, 285, 286, -1, -1, -1,
+ -1, 291, 292, 293, 294, 295, 296, 297, 298, 299,
+ 259, 260, 261, 262, 263, 264, 265, 266, 267, 125,
+ -1, 270, 271, 272, 273, 274, 275, 276, 277, 278,
+ 279, 280, 281, 282, 283, 284, 285, 286, -1, -1,
+ -1, -1, 291, 292, 293, 294, 295, 296, 297, 298,
+ 299, 257, 258, 259, 260, 261, 262, 263, 264, 265,
+ 266, 267, 268, 269, 270, 271, 272, 273, 274, 275,
+ -1, -1, 0, 279, 280, 281, 282, 283, 284, 285,
+ 286, 9, -1, -1, -1, 291, 292, 293, 294, -1,
+ 296, 297, -1, 299, 257, 258, 259, 260, 261, 262,
+ 263, 264, 265, 266, 267, 268, 269, 270, 271, 272,
+ 273, 274, 275, -1, -1, 0, 279, 280, 281, 282,
+ 283, 284, 285, 286, 9, -1, -1, -1, 291, 292,
+ 293, 294, -1, 296, 297, -1, 299, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, 257, 258, -1, 260, 261, -1, -1, 0, -1,
+ -1, -1, 268, 269, -1, -1, 94, 9, -1, -1,
+ 276, 277, 278, 279, -1, -1, 9, 10, 11, 12,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 295,
+ 23, -1, 298, -1, -1, 123, -1, 125, 126, -1,
+ -1, 0, -1, -1, -1, -1, -1, -1, -1, 94,
+ 9, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 53, 54, -1, -1, -1, -1, 59, 60, 61, 62,
+ -1, -1, -1, 66, -1, -1, -1, 70, 123, -1,
+ 125, 126, -1, 76, -1, 78, -1, -1, -1, 82,
+ -1, -1, 94, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, 123, -1, 125, 126, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, 94, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, 123, -1, 125, 126, -1, 257,
+ 258, 259, 260, 261, 262, 263, 264, 265, 266, 267,
+ 268, 269, 270, 271, 272, 273, 274, 275, -1, -1,
+ -1, 279, 280, 281, 282, 283, 284, 285, 286, -1,
+ -1, -1, -1, 291, 292, 293, 294, -1, 296, 297,
+ -1, 299, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, -1, -1, -1, 279, 280, 281, 282, 283, 284,
+ 285, 286, -1, -1, -1, -1, 291, 292, 293, 294,
+ -1, 296, 297, -1, 299, 257, 258, 259, 260, 261,
+ 262, 263, 264, 265, 266, 267, 268, 269, 270, 271,
+ 272, 273, 274, 275, -1, -1, 0, 279, 280, 281,
+ 282, 283, 284, 285, 286, 9, -1, -1, -1, 291,
+ 292, 293, 294, -1, 296, 297, -1, 299, 257, 258,
+ 259, 260, 261, 262, 263, 264, 265, 266, 267, 268,
+ 269, 270, 271, 272, 273, 274, 275, -1, -1, 0,
+ 279, 280, 281, 282, 283, 284, 285, 286, 9, -1,
+ -1, -1, 291, 292, 293, 294, -1, 296, 297, -1,
+ 299, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, 0, -1, -1, -1, -1, -1, -1, -1,
+ 94, 9, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 123,
+ -1, 125, 126, -1, -1, 0, -1, -1, -1, -1,
+ -1, -1, -1, 94, 9, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, 123, -1, 125, 126, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 94, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, 123, -1, 125, 126, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 94,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, 123, -1,
+ 125, 126, -1, 257, 258, 259, 260, 261, 262, 263,
+ 264, 265, 266, 267, 268, 269, 270, 271, 272, 273,
+ 274, 275, -1, -1, -1, 279, 280, 281, 282, 283,
+ 284, 285, 286, -1, -1, -1, -1, 291, 292, 293,
+ 294, -1, 296, 297, -1, 299, 257, 258, 259, 260,
+ 261, 262, 263, 264, 265, 266, 267, 268, 269, 270,
+ 271, 272, 273, 274, 275, -1, -1, -1, 279, 280,
+ 281, 282, 283, 284, 285, 286, -1, -1, -1, -1,
+ 291, 292, 293, 294, -1, 296, 297, -1, 299, 257,
+ 258, 259, 260, 261, 262, 263, 264, 265, 266, 267,
+ 268, 269, 270, 271, 272, 273, 274, 275, -1, -1,
+ 0, 279, 280, 281, 282, 283, 284, 285, 286, 9,
+ -1, -1, -1, 291, 292, 293, 294, -1, 296, 297,
+ -1, 299, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, -1, -1, 0, 279, 280, 281, 282, 283, 284,
+ 285, 286, 9, -1, -1, -1, 291, 292, 293, 294,
+ -1, 296, 297, -1, 299, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 0, -1, -1, -1,
+ -1, -1, -1, -1, 94, 9, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, 123, -1, 125, 126, -1, -1, 0,
+ -1, -1, -1, -1, -1, -1, -1, 94, 9, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 123, -1, 125, 126,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 94, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 123,
+ -1, 125, 126, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, 94, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, 123, -1, 125, 126, -1, 257, 258, 259,
+ 260, 261, 262, 263, 264, 265, 266, 267, 268, 269,
+ 270, 271, 272, 273, 274, 275, -1, -1, -1, 279,
+ 280, 281, 282, 283, 284, 285, 286, -1, -1, -1,
+ -1, 291, 292, 293, 294, -1, 296, 297, -1, 299,
+ 257, 258, 259, 260, 261, 262, 263, 264, 265, 266,
+ 267, 268, 269, 270, 271, 272, 273, 274, 275, -1,
+ 9, -1, 279, 280, 281, 282, 283, 284, 285, 286,
+ -1, -1, -1, -1, 291, 292, 293, 294, -1, 296,
+ 297, -1, 299, 257, 258, 259, 260, 261, 262, 263,
+ 264, 265, 266, 267, 268, 269, 270, 271, 272, 273,
+ 274, 275, 9, -1, -1, 279, 280, 281, 282, 283,
+ 284, 285, 286, -1, -1, -1, -1, 291, 292, 293,
+ 294, -1, 296, 297, -1, 299, 257, 258, 259, -1,
+ -1, 262, 263, 264, 265, 266, 267, 268, 269, 270,
+ 271, 272, 273, 274, 275, 94, 9, -1, 279, 280,
+ 281, 282, 283, 284, 285, 286, -1, -1, -1, -1,
+ 291, 292, 293, 294, -1, 296, 297, -1, 299, -1,
+ -1, -1, -1, -1, 123, -1, 125, 126, -1, -1,
+ -1, -1, -1, -1, -1, 9, -1, 94, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 123, -1, -1, 126,
+ -1, -1, -1, -1, 9, -1, -1, -1, -1, -1,
+ -1, 94, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 123, -1, -1, 126, -1, -1, -1, -1, -1, -1,
+ 94, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 123,
+ -1, -1, 126, -1, -1, -1, -1, -1, -1, 94,
+ 259, -1, -1, 262, 263, 264, 265, 266, -1, -1,
+ -1, 270, 271, 272, 273, 274, 275, -1, -1, -1,
+ -1, 280, 281, 282, 283, 284, 285, 286, 123, -1,
+ -1, 126, 291, 292, 293, 294, -1, 296, 297, -1,
+ 299, -1, 259, -1, -1, 262, 263, 264, 265, 266,
+ 267, -1, -1, 270, 271, 272, 273, 274, 275, -1,
+ -1, -1, -1, 280, 281, 282, 283, 284, 285, 286,
+ -1, -1, -1, -1, 291, 292, 293, 294, -1, 296,
+ 297, -1, 299, -1, -1, -1, 259, -1, -1, 262,
+ 263, 264, 265, 266, -1, -1, -1, 270, 271, 272,
+ 273, 274, 275, -1, -1, -1, -1, 280, 281, 282,
+ 283, 284, 285, 286, -1, -1, -1, -1, 291, 292,
+ 293, 294, -1, 296, 297, 259, 299, -1, 262, 263,
+ 264, 265, 266, -1, -1, -1, 270, 271, 272, 273,
+ 274, 275, -1, -1, -1, -1, 280, 281, 282, 283,
+ 284, 285, 286, -1, -1, -1, -1, -1, -1, 293,
+ 294, -1, 296, 297, -1, 299, -1, 262, 263, 264,
+ 265, 266, -1, -1, -1, 270, 271, 272, 273, 274,
+ 275, -1, -1, -1, -1, 280, 281, 282, 283, 284,
+ 285, 286, -1, -1, -1, -1, -1, -1, 293, 294,
+ -1, 296, 297, -1, 299,
+};
+#define YYFINAL 31
+#ifndef YYDEBUG
+#define YYDEBUG 0
+#endif
+#define YYMAXTOKEN 314
+#if YYDEBUG
+static YYCONST char *YYCONST yyname[] = {
+"end-of-file",0,0,0,0,0,0,0,0,"'\\t'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'^'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'{'",0,"'}'","'~'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"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",
+};
+static YYCONST char *YYCONST yyrule[] = {
+"$accept : top",
+"top :",
+"top : equation",
+"equation : mark",
+"equation : equation mark",
+"mark : from_to",
+"mark : MARK mark",
+"mark : LINEUP mark",
+"from_to : sqrt_over",
+"from_to : sqrt_over TO from_to",
+"from_to : sqrt_over FROM sqrt_over",
+"from_to : sqrt_over FROM sqrt_over TO from_to",
+"from_to : sqrt_over FROM sqrt_over FROM from_to",
+"sqrt_over : script",
+"sqrt_over : SQRT sqrt_over",
+"sqrt_over : sqrt_over OVER sqrt_over",
+"sqrt_over : sqrt_over SMALLOVER sqrt_over",
+"script : nonsup",
+"script : simple SUP script",
+"nonsup : simple",
+"nonsup : simple SUB nonsup",
+"nonsup : simple SUB simple SUP script",
+"simple : TEXT",
+"simple : QUOTED_TEXT",
+"simple : SPLIT QUOTED_TEXT",
+"simple : NOSPLIT TEXT",
+"simple : '^'",
+"simple : '~'",
+"simple : '\\t'",
+"simple : '{' equation '}'",
+"simple : PILE pile_arg",
+"simple : LPILE pile_arg",
+"simple : RPILE pile_arg",
+"simple : CPILE pile_arg",
+"simple : MATRIX '{' column_list '}'",
+"simple : LEFT delim equation RIGHT delim",
+"simple : LEFT delim equation",
+"simple : simple BAR",
+"simple : simple UNDER",
+"simple : simple PRIME",
+"simple : simple ACCENT simple",
+"simple : simple UACCENT simple",
+"simple : ROMAN simple",
+"simple : BOLD simple",
+"simple : ITALIC simple",
+"simple : FAT simple",
+"simple : FONT text simple",
+"simple : SIZE text simple",
+"simple : FWD number simple",
+"simple : BACK number simple",
+"simple : UP number simple",
+"simple : DOWN number simple",
+"simple : TYPE text simple",
+"simple : VCENTER simple",
+"simple : SPECIAL text simple",
+"number : text",
+"pile_element_list : equation",
+"pile_element_list : pile_element_list ABOVE equation",
+"pile_arg : '{' pile_element_list '}'",
+"pile_arg : number '{' pile_element_list '}'",
+"column_list : column",
+"column_list : column_list column",
+"column_element_list : equation",
+"column_element_list : column_element_list ABOVE equation",
+"column_arg : '{' column_element_list '}'",
+"column_arg : number '{' column_element_list '}'",
+"column : COL column_arg",
+"column : LCOL column_arg",
+"column : RCOL column_arg",
+"column : CCOL column_arg",
+"text : TEXT",
+"text : QUOTED_TEXT",
+"delim : text",
+"delim : '{'",
+"delim : '}'",
+};
+#endif
+#define YYLEX yylex()
+#define YYEMPTY -1
+#define yyclearin (yychar=(YYEMPTY))
+#define yyerrok (yyerrflag=0)
+#ifndef YYINITDEPTH
+#define YYINITDEPTH 200
+#endif
+#ifdef YYSTACKSIZE
+#undef YYMAXDEPTH
+#define YYMAXDEPTH YYSTACKSIZE
+#else
+#ifdef YYMAXDEPTH
+#define YYSTACKSIZE YYMAXDEPTH
+#else
+#define YYSTACKSIZE 10000
+#define YYMAXDEPTH 10000
+#endif
+#endif
+int yydebug;
+int yynerrs;
+int yyerrflag;
+int yychar;
+YYSTYPE yyval;
+YYSTYPE yylval;
+static short *yyss;
+static YYSTYPE *yyvs;
+static int yystacksize;
+static int yygrow ();
+static YYPTR yymalloc YYPARAMS((unsigned));
+static YYPTR yyrealloc YYPARAMS((YYPTR, unsigned));
+#define yyfree(x) free(x)
+#define YYABORT goto yyabort
+#define YYACCEPT goto yyaccept
+#define YYERROR goto yyerrlab
+
+#if YYDEBUG
+#ifdef __cplusplus
+extern "C" char *getenv();
+#else
+extern char *getenv();
+#endif
+#endif
+
+int
+yyparse()
+{
+ register int yym, yyn, yystate;
+ register YYSTYPE *yyvsp;
+ register short *yyssp;
+ short *yysse;
+#if YYDEBUG
+ register YYCONST char *yys;
+
+ if (yys = getenv("YYDEBUG"))
+ {
+ yyn = *yys;
+ if (yyn >= '0' && yyn <= '9')
+ yydebug = yyn - '0';
+ }
+#endif
+
+ yynerrs = 0;
+ yyerrflag = 0;
+ yychar = (-1);
+
+ if (yyss == 0)
+ {
+ yyss = (short *) yymalloc (YYINITDEPTH * sizeof (short));
+ if (yyss == 0)
+ goto yyabort;
+ yyvs = (YYSTYPE *) yymalloc (YYINITDEPTH * sizeof (YYSTYPE));
+ if (yyvs == 0)
+ {
+ yyfree (yyss);
+ goto yyabort;
+ }
+ yystacksize = YYINITDEPTH;
+ }
+ yysse = yyss + yystacksize - 1;
+ yyssp = yyss;
+ yyvsp = yyvs;
+ *yyssp = yystate = 0;
+
+yyloop:
+ if (yyn = yydefred[yystate]) goto yyreduce;
+ if (yychar < 0)
+ {
+ if ((yychar = yylex()) < 0) yychar = 0;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("yydebug: state %d, reading %d (%s)\n", yystate,
+ yychar, yys);
+ }
+#endif
+ }
+ if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: state %d, shifting to state %d\n",
+ yystate, yytable[yyn]);
+#endif
+ if (yyssp >= yysse)
+ {
+ /* FIXME: Rework so there's only one of these. */
+ int depth = yyssp - yyss;
+ if (yygrow () != 0)
+ goto yyoverflow;
+ yysse = yyss + yystacksize - 1;
+ yyssp = yyss + depth;
+ yyvsp = yyvs + depth;
+ }
+ *++yyssp = yystate = yytable[yyn];
+ *++yyvsp = yylval;
+ yychar = (-1);
+ if (yyerrflag > 0) --yyerrflag;
+ goto yyloop;
+ }
+ if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
+ {
+ yyn = yytable[yyn];
+ goto yyreduce;
+ }
+ if (yyerrflag) goto yyinrecovery;
+#ifdef lint
+ goto yynewerror;
+#endif
+yynewerror:
+ yyerror("syntax error");
+#ifdef lint
+ goto yyerrlab;
+#endif
+yyerrlab:
+ ++yynerrs;
+yyinrecovery:
+ if (yyerrflag < 3)
+ {
+ yyerrflag = 3;
+ for (;;)
+ {
+ if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: state %d, error recovery shifting\
+ to state %d\n", *yyssp, yytable[yyn]);
+#endif
+ if (yyssp >= yysse)
+ {
+ int depth = yyssp - yyss;
+ if (yygrow () != 0)
+ goto yyoverflow;
+ yysse = yyss + yystacksize - 1;
+ yyssp = yyss + depth;
+ yyvsp = yyvs + depth;
+ }
+ *++yyssp = yystate = yytable[yyn];
+ *++yyvsp = yylval;
+ goto yyloop;
+ }
+ else
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: error recovery discarding state %d\n",
+ *yyssp);
+#endif
+ if (yyssp <= yyss) goto yyabort;
+ --yyssp;
+ --yyvsp;
+ }
+ }
+ }
+ else
+ {
+ if (yychar == 0) goto yyabort;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("yydebug: state %d, error recovery discards token %d (%s)\n",
+ yystate, yychar, yys);
+ }
+#endif
+ yychar = (-1);
+ goto yyloop;
+ }
+yyreduce:
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: state %d, reducing by rule %d (%s)\n",
+ yystate, yyn, yyrule[yyn]);
+#endif
+ yym = yylen[yyn];
+ yyval = yyvsp[1-yym];
+ switch (yyn)
+ {
+case 2:
+#line 126 "eqn.y"
+{ yyvsp[0].b->top_level(); non_empty_flag = 1; }
+break;
+case 3:
+#line 131 "eqn.y"
+{ yyval.b = yyvsp[0].b; }
+break;
+case 4:
+#line 133 "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 "eqn.y"
+{ yyval.b = yyvsp[0].b; }
+break;
+case 6:
+#line 146 "eqn.y"
+{ yyval.b = make_mark_box(yyvsp[0].b); }
+break;
+case 7:
+#line 148 "eqn.y"
+{ yyval.b = make_lineup_box(yyvsp[0].b); }
+break;
+case 8:
+#line 153 "eqn.y"
+{ yyval.b = yyvsp[0].b; }
+break;
+case 9:
+#line 155 "eqn.y"
+{ yyval.b = make_limit_box(yyvsp[-2].b, 0, yyvsp[0].b); }
+break;
+case 10:
+#line 157 "eqn.y"
+{ yyval.b = make_limit_box(yyvsp[-2].b, yyvsp[0].b, 0); }
+break;
+case 11:
+#line 159 "eqn.y"
+{ yyval.b = make_limit_box(yyvsp[-4].b, yyvsp[-2].b, yyvsp[0].b); }
+break;
+case 12:
+#line 161 "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 "eqn.y"
+{ yyval.b = yyvsp[0].b; }
+break;
+case 14:
+#line 168 "eqn.y"
+{ yyval.b = make_sqrt_box(yyvsp[0].b); }
+break;
+case 15:
+#line 170 "eqn.y"
+{ yyval.b = make_over_box(yyvsp[-2].b, yyvsp[0].b); }
+break;
+case 16:
+#line 172 "eqn.y"
+{ yyval.b = make_small_over_box(yyvsp[-2].b, yyvsp[0].b); }
+break;
+case 17:
+#line 177 "eqn.y"
+{ yyval.b = yyvsp[0].b; }
+break;
+case 18:
+#line 179 "eqn.y"
+{ yyval.b = make_script_box(yyvsp[-2].b, 0, yyvsp[0].b); }
+break;
+case 19:
+#line 184 "eqn.y"
+{ yyval.b = yyvsp[0].b; }
+break;
+case 20:
+#line 186 "eqn.y"
+{ yyval.b = make_script_box(yyvsp[-2].b, yyvsp[0].b, 0); }
+break;
+case 21:
+#line 188 "eqn.y"
+{ yyval.b = make_script_box(yyvsp[-4].b, yyvsp[-2].b, yyvsp[0].b); }
+break;
+case 22:
+#line 193 "eqn.y"
+{ yyval.b = split_text(yyvsp[0].str); }
+break;
+case 23:
+#line 195 "eqn.y"
+{ yyval.b = new quoted_text_box(yyvsp[0].str); }
+break;
+case 24:
+#line 197 "eqn.y"
+{ yyval.b = split_text(yyvsp[0].str); }
+break;
+case 25:
+#line 199 "eqn.y"
+{ yyval.b = new quoted_text_box(yyvsp[0].str); }
+break;
+case 26:
+#line 201 "eqn.y"
+{ yyval.b = new half_space_box; }
+break;
+case 27:
+#line 203 "eqn.y"
+{ yyval.b = new space_box; }
+break;
+case 28:
+#line 205 "eqn.y"
+{ yyval.b = new tab_box; }
+break;
+case 29:
+#line 207 "eqn.y"
+{ yyval.b = yyvsp[-1].b; }
+break;
+case 30:
+#line 209 "eqn.y"
+{ yyvsp[0].pb->set_alignment(CENTER_ALIGN); yyval.b = yyvsp[0].pb; }
+break;
+case 31:
+#line 211 "eqn.y"
+{ yyvsp[0].pb->set_alignment(LEFT_ALIGN); yyval.b = yyvsp[0].pb; }
+break;
+case 32:
+#line 213 "eqn.y"
+{ yyvsp[0].pb->set_alignment(RIGHT_ALIGN); yyval.b = yyvsp[0].pb; }
+break;
+case 33:
+#line 215 "eqn.y"
+{ yyvsp[0].pb->set_alignment(CENTER_ALIGN); yyval.b = yyvsp[0].pb; }
+break;
+case 34:
+#line 217 "eqn.y"
+{ yyval.b = yyvsp[-1].mb; }
+break;
+case 35:
+#line 219 "eqn.y"
+{ yyval.b = make_delim_box(yyvsp[-3].str, yyvsp[-2].b, yyvsp[0].str); }
+break;
+case 36:
+#line 221 "eqn.y"
+{ yyval.b = make_delim_box(yyvsp[-1].str, yyvsp[0].b, 0); }
+break;
+case 37:
+#line 223 "eqn.y"
+{ yyval.b = make_overline_box(yyvsp[-1].b); }
+break;
+case 38:
+#line 225 "eqn.y"
+{ yyval.b = make_underline_box(yyvsp[-1].b); }
+break;
+case 39:
+#line 227 "eqn.y"
+{ yyval.b = make_prime_box(yyvsp[-1].b); }
+break;
+case 40:
+#line 229 "eqn.y"
+{ yyval.b = make_accent_box(yyvsp[-2].b, yyvsp[0].b); }
+break;
+case 41:
+#line 231 "eqn.y"
+{ yyval.b = make_uaccent_box(yyvsp[-2].b, yyvsp[0].b); }
+break;
+case 42:
+#line 233 "eqn.y"
+{ yyval.b = new font_box(strsave(get_grfont()), yyvsp[0].b); }
+break;
+case 43:
+#line 235 "eqn.y"
+{ yyval.b = new font_box(strsave(get_gbfont()), yyvsp[0].b); }
+break;
+case 44:
+#line 237 "eqn.y"
+{ yyval.b = new font_box(strsave(get_gfont()), yyvsp[0].b); }
+break;
+case 45:
+#line 239 "eqn.y"
+{ yyval.b = new fat_box(yyvsp[0].b); }
+break;
+case 46:
+#line 241 "eqn.y"
+{ yyval.b = new font_box(yyvsp[-1].str, yyvsp[0].b); }
+break;
+case 47:
+#line 243 "eqn.y"
+{ yyval.b = new size_box(yyvsp[-1].str, yyvsp[0].b); }
+break;
+case 48:
+#line 245 "eqn.y"
+{ yyval.b = new hmotion_box(yyvsp[-1].n, yyvsp[0].b); }
+break;
+case 49:
+#line 247 "eqn.y"
+{ yyval.b = new hmotion_box(-yyvsp[-1].n, yyvsp[0].b); }
+break;
+case 50:
+#line 249 "eqn.y"
+{ yyval.b = new vmotion_box(yyvsp[-1].n, yyvsp[0].b); }
+break;
+case 51:
+#line 251 "eqn.y"
+{ yyval.b = new vmotion_box(-yyvsp[-1].n, yyvsp[0].b); }
+break;
+case 52:
+#line 253 "eqn.y"
+{ yyvsp[0].b->set_spacing_type(yyvsp[-1].str); yyval.b = yyvsp[0].b; }
+break;
+case 53:
+#line 255 "eqn.y"
+{ yyval.b = new vcenter_box(yyvsp[0].b); }
+break;
+case 54:
+#line 257 "eqn.y"
+{ yyval.b = make_special_box(yyvsp[-1].str, yyvsp[0].b); }
+break;
+case 55:
+#line 262 "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 "eqn.y"
+{ yyval.pb = new pile_box(yyvsp[0].b); }
+break;
+case 57:
+#line 274 "eqn.y"
+{ yyvsp[-2].pb->append(yyvsp[0].b); yyval.pb = yyvsp[-2].pb; }
+break;
+case 58:
+#line 279 "eqn.y"
+{ yyval.pb = yyvsp[-1].pb; }
+break;
+case 59:
+#line 281 "eqn.y"
+{ yyvsp[-1].pb->set_space(yyvsp[-3].n); yyval.pb = yyvsp[-1].pb; }
+break;
+case 60:
+#line 286 "eqn.y"
+{ yyval.mb = new matrix_box(yyvsp[0].col); }
+break;
+case 61:
+#line 288 "eqn.y"
+{ yyvsp[-1].mb->append(yyvsp[0].col); yyval.mb = yyvsp[-1].mb; }
+break;
+case 62:
+#line 293 "eqn.y"
+{ yyval.col = new column(yyvsp[0].b); }
+break;
+case 63:
+#line 295 "eqn.y"
+{ yyvsp[-2].col->append(yyvsp[0].b); yyval.col = yyvsp[-2].col; }
+break;
+case 64:
+#line 300 "eqn.y"
+{ yyval.col = yyvsp[-1].col; }
+break;
+case 65:
+#line 302 "eqn.y"
+{ yyvsp[-1].col->set_space(yyvsp[-3].n); yyval.col = yyvsp[-1].col; }
+break;
+case 66:
+#line 307 "eqn.y"
+{ yyvsp[0].col->set_alignment(CENTER_ALIGN); yyval.col = yyvsp[0].col; }
+break;
+case 67:
+#line 309 "eqn.y"
+{ yyvsp[0].col->set_alignment(LEFT_ALIGN); yyval.col = yyvsp[0].col; }
+break;
+case 68:
+#line 311 "eqn.y"
+{ yyvsp[0].col->set_alignment(RIGHT_ALIGN); yyval.col = yyvsp[0].col; }
+break;
+case 69:
+#line 313 "eqn.y"
+{ yyvsp[0].col->set_alignment(CENTER_ALIGN); yyval.col = yyvsp[0].col; }
+break;
+case 70:
+#line 317 "eqn.y"
+{ yyval.str = yyvsp[0].str; }
+break;
+case 71:
+#line 319 "eqn.y"
+{ yyval.str = yyvsp[0].str; }
+break;
+case 72:
+#line 324 "eqn.y"
+{ yyval.str = yyvsp[0].str; }
+break;
+case 73:
+#line 326 "eqn.y"
+{ yyval.str = strsave("{"); }
+break;
+case 74:
+#line 328 "eqn.y"
+{ yyval.str = strsave("}"); }
+break;
+#line 1168 "y.tab.c"
+ }
+ yyssp -= yym;
+ yystate = *yyssp;
+ yyvsp -= yym;
+ yym = yylhs[yyn];
+ if (yystate == 0 && yym == 0)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: after reduction, shifting from state 0 to\
+ state %d\n", YYFINAL);
+#endif
+ yystate = YYFINAL;
+ *++yyssp = YYFINAL;
+ *++yyvsp = yyval;
+ if (yychar < 0)
+ {
+ if ((yychar = yylex()) < 0) yychar = 0;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("yydebug: state %d, reading %d (%s)\n",
+ YYFINAL, yychar, yys);
+ }
+#endif
+ }
+ if (yychar == 0) goto yyaccept;
+ goto yyloop;
+ }
+ if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
+ yystate = yytable[yyn];
+ else
+ yystate = yydgoto[yym];
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: after reduction, shifting from state %d \
+to state %d\n", *yyssp, yystate);
+#endif
+ if (yyssp >= yysse)
+ {
+ int depth = yyssp - yyss;
+ if (yygrow () != 0)
+ goto yyoverflow;
+ yysse = yyss + yystacksize - 1;
+ yyssp = yyss + depth;
+ yyvsp = yyvs + depth;
+ }
+ *++yyssp = yystate;
+ *++yyvsp = yyval;
+ goto yyloop;
+yyoverflow:
+ yyerror("yacc stack overflow");
+yyabort:
+ return (1);
+yyaccept:
+ return (0);
+}
+
+static int
+yygrow ()
+{
+ int old_stacksize = yystacksize;
+ short *new_yyss;
+ YYSTYPE *new_yyvs;
+
+ if (yystacksize >= YYMAXDEPTH)
+ return (1);
+ yystacksize *= 2;
+ if (yystacksize > YYMAXDEPTH)
+ yystacksize = YYMAXDEPTH;
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: growing stack size from %d to %d\n",
+ old_stacksize, yystacksize);
+#endif
+ new_yyss = (short *) yyrealloc (yyss, yystacksize * sizeof (short));
+ if (new_yyss == 0)
+ return (1);
+ new_yyvs = (YYSTYPE *) yyrealloc (yyvs, yystacksize * sizeof (YYSTYPE));
+ if (new_yyvs == 0)
+ {
+ yyfree (new_yyss);
+ return (1);
+ }
+ yyss = new_yyss;
+ yyvs = new_yyvs;
+ return (0);
+}
+
+static YYPTR
+YYDEFUN (yymalloc, (bytes), unsigned bytes)
+{
+ YYPTR ptr = (YYPTR) malloc (bytes);
+ if (ptr != 0) return (ptr);
+ yyerror ("yyparse: memory exhausted");
+ return (0);
+}
+
+static YYPTR
+YYDEFUN (yyrealloc, (old, bytes), YYPTR old YYAND unsigned bytes)
+{
+ YYPTR ptr = (YYPTR) realloc (old, bytes);
+ if (ptr != 0) return (ptr);
+ yyerror ("yyparse: memory exhausted");
+ return (0);
+}
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