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-rw-r--r--src/preproc/eqn/eqn.cpp2112
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diff --git a/src/preproc/eqn/eqn.cpp b/src/preproc/eqn/eqn.cpp
new file mode 100644
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--- /dev/null
+++ b/src/preproc/eqn/eqn.cpp
@@ -0,0 +1,2112 @@
+/* A Bison parser, made by GNU Bison 3.8.2. */
+
+/* Bison implementation for Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
+ Inc.
+
+ 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+ simplifying the original so-called "semantic" parser. */
+
+/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
+ especially those whose name start with YY_ or yy_. They are
+ private implementation details that can be changed or removed. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output, and Bison version. */
+#define YYBISON 30802
+
+/* Bison version string. */
+#define YYBISON_VERSION "3.8.2"
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 0
+
+/* Push parsers. */
+#define YYPUSH 0
+
+/* Pull parsers. */
+#define YYPULL 1
+
+
+
+
+/* First part of user prologue. */
+#line 18 "../src/preproc/eqn/eqn.ypp"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "lib.h"
+#include "box.h"
+extern int non_empty_flag;
+int yylex();
+void yyerror(const char *);
+
+#line 87 "src/preproc/eqn/eqn.cpp"
+
+# ifndef YY_CAST
+# ifdef __cplusplus
+# define YY_CAST(Type, Val) static_cast<Type> (Val)
+# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
+# else
+# define YY_CAST(Type, Val) ((Type) (Val))
+# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
+# endif
+# endif
+# ifndef YY_NULLPTR
+# if defined __cplusplus
+# if 201103L <= __cplusplus
+# define YY_NULLPTR nullptr
+# else
+# define YY_NULLPTR 0
+# endif
+# else
+# define YY_NULLPTR ((void*)0)
+# endif
+# endif
+
+/* Use api.header.include to #include this header
+ instead of duplicating it here. */
+#ifndef YY_YY_SRC_PREPROC_EQN_EQN_HPP_INCLUDED
+# define YY_YY_SRC_PREPROC_EQN_EQN_HPP_INCLUDED
+/* Debug traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+#if YYDEBUG
+extern int yydebug;
+#endif
+
+/* Token kinds. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ enum yytokentype
+ {
+ YYEMPTY = -2,
+ YYEOF = 0, /* "end of file" */
+ YYerror = 256, /* error */
+ YYUNDEF = 257, /* "invalid token" */
+ OVER = 258, /* OVER */
+ SMALLOVER = 259, /* SMALLOVER */
+ SQRT = 260, /* SQRT */
+ SUB = 261, /* SUB */
+ SUP = 262, /* SUP */
+ LPILE = 263, /* LPILE */
+ RPILE = 264, /* RPILE */
+ CPILE = 265, /* CPILE */
+ PILE = 266, /* PILE */
+ LEFT = 267, /* LEFT */
+ RIGHT = 268, /* RIGHT */
+ TO = 269, /* TO */
+ FROM = 270, /* FROM */
+ SIZE = 271, /* SIZE */
+ FONT = 272, /* FONT */
+ ROMAN = 273, /* ROMAN */
+ BOLD = 274, /* BOLD */
+ ITALIC = 275, /* ITALIC */
+ FAT = 276, /* FAT */
+ ACCENT = 277, /* ACCENT */
+ BAR = 278, /* BAR */
+ UNDER = 279, /* UNDER */
+ ABOVE = 280, /* ABOVE */
+ TEXT = 281, /* TEXT */
+ QUOTED_TEXT = 282, /* QUOTED_TEXT */
+ FWD = 283, /* FWD */
+ BACK = 284, /* BACK */
+ DOWN = 285, /* DOWN */
+ UP = 286, /* UP */
+ MATRIX = 287, /* MATRIX */
+ COL = 288, /* COL */
+ LCOL = 289, /* LCOL */
+ RCOL = 290, /* RCOL */
+ CCOL = 291, /* CCOL */
+ MARK = 292, /* MARK */
+ LINEUP = 293, /* LINEUP */
+ TYPE = 294, /* TYPE */
+ VCENTER = 295, /* VCENTER */
+ PRIME = 296, /* PRIME */
+ SPLIT = 297, /* SPLIT */
+ NOSPLIT = 298, /* NOSPLIT */
+ UACCENT = 299, /* UACCENT */
+ SPECIAL = 300, /* SPECIAL */
+ SPACE = 301, /* SPACE */
+ GFONT = 302, /* GFONT */
+ GSIZE = 303, /* GSIZE */
+ DEFINE = 304, /* DEFINE */
+ NDEFINE = 305, /* NDEFINE */
+ TDEFINE = 306, /* TDEFINE */
+ SDEFINE = 307, /* SDEFINE */
+ UNDEF = 308, /* UNDEF */
+ IFDEF = 309, /* IFDEF */
+ INCLUDE = 310, /* INCLUDE */
+ DELIM = 311, /* DELIM */
+ CHARTYPE = 312, /* CHARTYPE */
+ SET = 313, /* SET */
+ GRFONT = 314, /* GRFONT */
+ GBFONT = 315 /* GBFONT */
+ };
+ typedef enum yytokentype yytoken_kind_t;
+#endif
+/* Token kinds. */
+#define YYEMPTY -2
+#define YYEOF 0
+#define YYerror 256
+#define YYUNDEF 257
+#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
+
+/* Value type. */
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+union YYSTYPE
+{
+#line 34 "../src/preproc/eqn/eqn.ypp"
+
+ char *str;
+ box *b;
+ pile_box *pb;
+ matrix_box *mb;
+ int n;
+ column *col;
+
+#line 269 "src/preproc/eqn/eqn.cpp"
+
+};
+typedef union YYSTYPE YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+extern YYSTYPE yylval;
+
+
+int yyparse (void);
+
+
+#endif /* !YY_YY_SRC_PREPROC_EQN_EQN_HPP_INCLUDED */
+/* Symbol kind. */
+enum yysymbol_kind_t
+{
+ YYSYMBOL_YYEMPTY = -2,
+ YYSYMBOL_YYEOF = 0, /* "end of file" */
+ YYSYMBOL_YYerror = 1, /* error */
+ YYSYMBOL_YYUNDEF = 2, /* "invalid token" */
+ YYSYMBOL_OVER = 3, /* OVER */
+ YYSYMBOL_SMALLOVER = 4, /* SMALLOVER */
+ YYSYMBOL_SQRT = 5, /* SQRT */
+ YYSYMBOL_SUB = 6, /* SUB */
+ YYSYMBOL_SUP = 7, /* SUP */
+ YYSYMBOL_LPILE = 8, /* LPILE */
+ YYSYMBOL_RPILE = 9, /* RPILE */
+ YYSYMBOL_CPILE = 10, /* CPILE */
+ YYSYMBOL_PILE = 11, /* PILE */
+ YYSYMBOL_LEFT = 12, /* LEFT */
+ YYSYMBOL_RIGHT = 13, /* RIGHT */
+ YYSYMBOL_TO = 14, /* TO */
+ YYSYMBOL_FROM = 15, /* FROM */
+ YYSYMBOL_SIZE = 16, /* SIZE */
+ YYSYMBOL_FONT = 17, /* FONT */
+ YYSYMBOL_ROMAN = 18, /* ROMAN */
+ YYSYMBOL_BOLD = 19, /* BOLD */
+ YYSYMBOL_ITALIC = 20, /* ITALIC */
+ YYSYMBOL_FAT = 21, /* FAT */
+ YYSYMBOL_ACCENT = 22, /* ACCENT */
+ YYSYMBOL_BAR = 23, /* BAR */
+ YYSYMBOL_UNDER = 24, /* UNDER */
+ YYSYMBOL_ABOVE = 25, /* ABOVE */
+ YYSYMBOL_TEXT = 26, /* TEXT */
+ YYSYMBOL_QUOTED_TEXT = 27, /* QUOTED_TEXT */
+ YYSYMBOL_FWD = 28, /* FWD */
+ YYSYMBOL_BACK = 29, /* BACK */
+ YYSYMBOL_DOWN = 30, /* DOWN */
+ YYSYMBOL_UP = 31, /* UP */
+ YYSYMBOL_MATRIX = 32, /* MATRIX */
+ YYSYMBOL_COL = 33, /* COL */
+ YYSYMBOL_LCOL = 34, /* LCOL */
+ YYSYMBOL_RCOL = 35, /* RCOL */
+ YYSYMBOL_CCOL = 36, /* CCOL */
+ YYSYMBOL_MARK = 37, /* MARK */
+ YYSYMBOL_LINEUP = 38, /* LINEUP */
+ YYSYMBOL_TYPE = 39, /* TYPE */
+ YYSYMBOL_VCENTER = 40, /* VCENTER */
+ YYSYMBOL_PRIME = 41, /* PRIME */
+ YYSYMBOL_SPLIT = 42, /* SPLIT */
+ YYSYMBOL_NOSPLIT = 43, /* NOSPLIT */
+ YYSYMBOL_UACCENT = 44, /* UACCENT */
+ YYSYMBOL_SPECIAL = 45, /* SPECIAL */
+ YYSYMBOL_SPACE = 46, /* SPACE */
+ YYSYMBOL_GFONT = 47, /* GFONT */
+ YYSYMBOL_GSIZE = 48, /* GSIZE */
+ YYSYMBOL_DEFINE = 49, /* DEFINE */
+ YYSYMBOL_NDEFINE = 50, /* NDEFINE */
+ YYSYMBOL_TDEFINE = 51, /* TDEFINE */
+ YYSYMBOL_SDEFINE = 52, /* SDEFINE */
+ YYSYMBOL_UNDEF = 53, /* UNDEF */
+ YYSYMBOL_IFDEF = 54, /* IFDEF */
+ YYSYMBOL_INCLUDE = 55, /* INCLUDE */
+ YYSYMBOL_DELIM = 56, /* DELIM */
+ YYSYMBOL_CHARTYPE = 57, /* CHARTYPE */
+ YYSYMBOL_SET = 58, /* SET */
+ YYSYMBOL_GRFONT = 59, /* GRFONT */
+ YYSYMBOL_GBFONT = 60, /* GBFONT */
+ YYSYMBOL_61_ = 61, /* '^' */
+ YYSYMBOL_62_ = 62, /* '~' */
+ YYSYMBOL_63_t_ = 63, /* '\t' */
+ YYSYMBOL_64_ = 64, /* '{' */
+ YYSYMBOL_65_ = 65, /* '}' */
+ YYSYMBOL_YYACCEPT = 66, /* $accept */
+ YYSYMBOL_top = 67, /* top */
+ YYSYMBOL_equation = 68, /* equation */
+ YYSYMBOL_mark = 69, /* mark */
+ YYSYMBOL_from_to = 70, /* from_to */
+ YYSYMBOL_sqrt_over = 71, /* sqrt_over */
+ YYSYMBOL_script = 72, /* script */
+ YYSYMBOL_nonsup = 73, /* nonsup */
+ YYSYMBOL_simple = 74, /* simple */
+ YYSYMBOL_number = 75, /* number */
+ YYSYMBOL_pile_element_list = 76, /* pile_element_list */
+ YYSYMBOL_pile_arg = 77, /* pile_arg */
+ YYSYMBOL_column_list = 78, /* column_list */
+ YYSYMBOL_column_element_list = 79, /* column_element_list */
+ YYSYMBOL_column_arg = 80, /* column_arg */
+ YYSYMBOL_column = 81, /* column */
+ YYSYMBOL_text = 82, /* text */
+ YYSYMBOL_delim = 83 /* delim */
+};
+typedef enum yysymbol_kind_t yysymbol_kind_t;
+
+
+
+
+#ifdef short
+# undef short
+#endif
+
+/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
+ <limits.h> and (if available) <stdint.h> are included
+ so that the code can choose integer types of a good width. */
+
+#ifndef __PTRDIFF_MAX__
+# include <limits.h> /* INFRINGES ON USER NAME SPACE */
+# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+# include <stdint.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_STDINT_H
+# endif
+#endif
+
+/* Narrow types that promote to a signed type and that can represent a
+ signed or unsigned integer of at least N bits. In tables they can
+ save space and decrease cache pressure. Promoting to a signed type
+ helps avoid bugs in integer arithmetic. */
+
+#ifdef __INT_LEAST8_MAX__
+typedef __INT_LEAST8_TYPE__ yytype_int8;
+#elif defined YY_STDINT_H
+typedef int_least8_t yytype_int8;
+#else
+typedef signed char yytype_int8;
+#endif
+
+#ifdef __INT_LEAST16_MAX__
+typedef __INT_LEAST16_TYPE__ yytype_int16;
+#elif defined YY_STDINT_H
+typedef int_least16_t yytype_int16;
+#else
+typedef short yytype_int16;
+#endif
+
+/* Work around bug in HP-UX 11.23, which defines these macros
+ incorrectly for preprocessor constants. This workaround can likely
+ be removed in 2023, as HPE has promised support for HP-UX 11.23
+ (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
+ <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>. */
+#ifdef __hpux
+# undef UINT_LEAST8_MAX
+# undef UINT_LEAST16_MAX
+# define UINT_LEAST8_MAX 255
+# define UINT_LEAST16_MAX 65535
+#endif
+
+#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST8_TYPE__ yytype_uint8;
+#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
+ && UINT_LEAST8_MAX <= INT_MAX)
+typedef uint_least8_t yytype_uint8;
+#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
+typedef unsigned char yytype_uint8;
+#else
+typedef short yytype_uint8;
+#endif
+
+#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST16_TYPE__ yytype_uint16;
+#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
+ && UINT_LEAST16_MAX <= INT_MAX)
+typedef uint_least16_t yytype_uint16;
+#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
+typedef unsigned short yytype_uint16;
+#else
+typedef int yytype_uint16;
+#endif
+
+#ifndef YYPTRDIFF_T
+# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
+# define YYPTRDIFF_T __PTRDIFF_TYPE__
+# define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
+# elif defined PTRDIFF_MAX
+# ifndef ptrdiff_t
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# endif
+# define YYPTRDIFF_T ptrdiff_t
+# define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
+# else
+# define YYPTRDIFF_T long
+# define YYPTRDIFF_MAXIMUM LONG_MAX
+# endif
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+# define YYSIZE_T size_t
+# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM \
+ YY_CAST (YYPTRDIFF_T, \
+ (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \
+ ? YYPTRDIFF_MAXIMUM \
+ : YY_CAST (YYSIZE_T, -1)))
+
+#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
+
+
+/* Stored state numbers (used for stacks). */
+typedef yytype_uint8 yy_state_t;
+
+/* State numbers in computations. */
+typedef int yy_state_fast_t;
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_(Msgid) dgettext ("bison-runtime", Msgid)
+# endif
+# endif
+# ifndef YY_
+# define YY_(Msgid) Msgid
+# endif
+#endif
+
+
+#ifndef YY_ATTRIBUTE_PURE
+# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
+# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
+# else
+# define YY_ATTRIBUTE_PURE
+# endif
+#endif
+
+#ifndef YY_ATTRIBUTE_UNUSED
+# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+# else
+# define YY_ATTRIBUTE_UNUSED
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E. */
+#if ! defined lint || defined __GNUC__
+# define YY_USE(E) ((void) (E))
+#else
+# define YY_USE(E) /* empty */
+#endif
+
+/* Suppress an incorrect diagnostic about yylval being uninitialized. */
+#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
+# if __GNUC__ * 100 + __GNUC_MINOR__ < 407
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
+# else
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \
+ _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# endif
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
+ _Pragma ("GCC diagnostic pop")
+#else
+# define YY_INITIAL_VALUE(Value) Value
+#endif
+#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END
+#endif
+#ifndef YY_INITIAL_VALUE
+# define YY_INITIAL_VALUE(Value) /* Nothing. */
+#endif
+
+#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
+# define YY_IGNORE_USELESS_CAST_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
+# define YY_IGNORE_USELESS_CAST_END \
+ _Pragma ("GCC diagnostic pop")
+#endif
+#ifndef YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_END
+#endif
+
+
+#define YY_ASSERT(E) ((void) (0 && (E)))
+
+#if !defined yyoverflow
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# elif defined __BUILTIN_VA_ARG_INCR
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined _AIX
+# define YYSTACK_ALLOC __alloca
+# elif defined _MSC_VER
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+ /* Use EXIT_SUCCESS as a witness for stdlib.h. */
+# ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's 'empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# ifndef YYSTACK_ALLOC_MAXIMUM
+ /* The OS might guarantee only one guard page at the bottom of the stack,
+ and a page size can be as small as 4096 bytes. So we cannot safely
+ invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
+ to allow for a few compiler-allocated temporary stack slots. */
+# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+# endif
+# else
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
+# ifndef YYSTACK_ALLOC_MAXIMUM
+# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+# endif
+# if (defined __cplusplus && ! defined EXIT_SUCCESS \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+# endif
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if ! defined malloc && ! defined EXIT_SUCCESS
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifndef YYFREE
+# define YYFREE free
+# if ! defined free && ! defined EXIT_SUCCESS
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# endif
+#endif /* !defined yyoverflow */
+
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ yy_state_t yyss_alloc;
+ YYSTYPE yyvs_alloc;
+};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \
+ + YYSTACK_GAP_MAXIMUM)
+
+# define YYCOPY_NEEDED 1
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
+ do \
+ { \
+ YYPTRDIFF_T yynewbytes; \
+ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
+ Stack = &yyptr->Stack_alloc; \
+ yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / YYSIZEOF (*yyptr); \
+ } \
+ while (0)
+
+#endif
+
+#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
+/* Copy COUNT objects from SRC to DST. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if defined __GNUC__ && 1 < __GNUC__
+# define YYCOPY(Dst, Src, Count) \
+ __builtin_memcpy (Dst, Src, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
+# else
+# define YYCOPY(Dst, Src, Count) \
+ do \
+ { \
+ YYPTRDIFF_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (Dst)[yyi] = (Src)[yyi]; \
+ } \
+ while (0)
+# endif
+# endif
+#endif /* !YYCOPY_NEEDED */
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 72
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 379
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 66
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 18
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 75
+/* YYNSTATES -- Number of states. */
+#define YYNSTATES 142
+
+/* YYMAXUTOK -- Last valid token kind. */
+#define YYMAXUTOK 315
+
+
+/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
+ as returned by yylex, with out-of-bounds checking. */
+#define YYTRANSLATE(YYX) \
+ (0 <= (YYX) && (YYX) <= YYMAXUTOK \
+ ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \
+ : YYSYMBOL_YYUNDEF)
+
+/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
+ as returned by yylex. */
+static const yytype_int8 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
+/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
+static const yytype_int16 yyrline[] =
+{
+ 0, 125, 125, 127, 132, 134, 145, 147, 149, 154,
+ 156, 158, 160, 162, 167, 169, 171, 173, 178, 180,
+ 185, 187, 189, 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, 258, 263, 273, 275, 280,
+ 282, 287, 289, 294, 296, 301, 303, 308, 310, 312,
+ 314, 318, 320, 325, 327, 329
+};
+#endif
+
+/** Accessing symbol of state STATE. */
+#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
+
+#if YYDEBUG || 0
+/* The user-facing name of the symbol whose (internal) number is
+ YYSYMBOL. No bounds checking. */
+static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
+
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "\"end of file\"", "error", "\"invalid token\"", "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'", "'{'", "'}'", "$accept", "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", YY_NULLPTR
+};
+
+static const char *
+yysymbol_name (yysymbol_kind_t yysymbol)
+{
+ return yytname[yysymbol];
+}
+#endif
+
+#define YYPACT_NINF (-76)
+
+#define yypact_value_is_default(Yyn) \
+ ((Yyn) == YYPACT_NINF)
+
+#define YYTABLE_NINF (-1)
+
+#define yytable_value_is_error(Yyn) \
+ 0
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+static const yytype_int16 yypact[] =
+{
+ 230, 269, 6, 6, 6, 6, 2, 14, 14, 308,
+ 308, 308, 308, -76, -76, 14, 14, 14, 14, -50,
+ 230, 230, 14, 308, 4, 23, 14, -76, -76, -76,
+ 230, 24, 230, -76, -76, 70, -76, -76, 20, -76,
+ -76, -76, 230, -44, -76, -76, -76, -76, -76, -76,
+ -76, -76, 230, 308, 308, 57, 57, 57, 57, 308,
+ 308, 308, 308, 3, -76, -76, 308, 57, -76, -76,
+ 308, 130, -76, -76, 269, 269, 269, 269, 308, 308,
+ 308, -76, -76, -76, 308, 230, -12, 230, 191, 57,
+ 57, 57, 57, 57, 57, 8, 8, 8, 8, 12,
+ -76, 57, 57, -76, -76, -76, -76, 79, -76, 335,
+ -76, -76, -76, 230, -76, -6, 2, 230, 28, -76,
+ -76, -76, -76, -76, -76, 269, 269, 308, 230, -76,
+ -76, 230, -3, 230, -76, -76, -76, 230, -76, -2,
+ 230, -76
+};
+
+/* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
+ Performed when YYTABLE does not specify something else to do. Zero
+ means the default is an error. */
+static const yytype_int8 yydefact[] =
+{
+ 2, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 23, 24, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 27, 28, 29,
+ 0, 0, 3, 4, 6, 9, 14, 18, 20, 15,
+ 71, 72, 0, 0, 32, 56, 33, 34, 31, 74,
+ 75, 73, 0, 0, 0, 43, 44, 45, 46, 0,
+ 0, 0, 0, 0, 7, 8, 0, 54, 25, 26,
+ 0, 0, 1, 5, 0, 0, 0, 0, 0, 0,
+ 0, 38, 39, 40, 0, 57, 0, 0, 37, 48,
+ 47, 49, 50, 52, 51, 0, 0, 0, 0, 0,
+ 61, 53, 55, 30, 16, 17, 10, 11, 21, 20,
+ 19, 41, 42, 0, 59, 0, 0, 0, 0, 67,
+ 68, 69, 70, 35, 62, 0, 0, 0, 58, 60,
+ 36, 63, 0, 0, 12, 13, 22, 0, 65, 0,
+ 64, 66
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yytype_int8 yypgoto[] =
+{
+ -76, -76, 0, -17, -75, 1, -67, -13, 46, -7,
+ 9, 13, -76, -47, 22, -4, -1, -29
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_uint8 yydefgoto[] =
+{
+ 0, 31, 85, 33, 34, 35, 36, 37, 38, 43,
+ 86, 44, 99, 132, 119, 100, 45, 52
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule whose
+ number is the opposite. If YYTABLE_NINF, syntax error. */
+static const yytype_uint8 yytable[] =
+{
+ 32, 106, 39, 64, 65, 51, 53, 54, 59, 60,
+ 61, 62, 110, 113, 63, 73, 46, 47, 48, 113,
+ 87, 66, 137, 137, 72, 70, 78, 79, 40, 41,
+ 71, 68, 40, 41, 40, 41, 95, 96, 97, 98,
+ 40, 41, 80, 81, 82, 95, 96, 97, 98, 69,
+ 134, 135, 88, 114, 73, 55, 56, 57, 58, 129,
+ 136, 83, 138, 141, 84, 108, 49, 50, 73, 67,
+ 42, 73, 117, 74, 75, 104, 105, 123, 107, 80,
+ 81, 82, 74, 75, 76, 77, 139, 130, 118, 118,
+ 118, 118, 133, 125, 126, 124, 115, 0, 83, 89,
+ 90, 84, 0, 0, 0, 91, 92, 93, 94, 0,
+ 0, 73, 101, 128, 73, 51, 102, 131, 120, 121,
+ 122, 0, 0, 73, 109, 0, 111, 0, 0, 0,
+ 112, 0, 0, 131, 0, 1, 0, 140, 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, 103, 1, 0, 0, 2,
+ 3, 4, 5, 6, 116, 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, 78, 127, 0, 0, 0, 0, 22, 23, 0,
+ 24, 25, 0, 26, 0, 0, 0, 80, 81, 82,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 27,
+ 28, 29, 30, 0, 0, 0, 83, 0, 0, 84
+};
+
+static const yytype_int16 yycheck[] =
+{
+ 0, 76, 1, 20, 21, 6, 7, 8, 15, 16,
+ 17, 18, 79, 25, 64, 32, 3, 4, 5, 25,
+ 64, 22, 25, 25, 0, 26, 6, 7, 26, 27,
+ 30, 27, 26, 27, 26, 27, 33, 34, 35, 36,
+ 26, 27, 22, 23, 24, 33, 34, 35, 36, 26,
+ 125, 126, 52, 65, 71, 9, 10, 11, 12, 65,
+ 127, 41, 65, 65, 44, 78, 64, 65, 85, 23,
+ 64, 88, 64, 3, 4, 74, 75, 65, 77, 22,
+ 23, 24, 3, 4, 14, 15, 133, 116, 95, 96,
+ 97, 98, 64, 14, 15, 99, 87, -1, 41, 53,
+ 54, 44, -1, -1, -1, 59, 60, 61, 62, -1,
+ -1, 128, 66, 113, 131, 116, 70, 117, 96, 97,
+ 98, -1, -1, 140, 78, -1, 80, -1, -1, -1,
+ 84, -1, -1, 133, -1, 5, -1, 137, 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
+};
+
+/* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
+ state STATE-NUM. */
+static const yytype_int8 yystos[] =
+{
+ 0, 5, 8, 9, 10, 11, 12, 16, 17, 18,
+ 19, 20, 21, 26, 27, 28, 29, 30, 31, 32,
+ 37, 38, 39, 40, 42, 43, 45, 61, 62, 63,
+ 64, 67, 68, 69, 70, 71, 72, 73, 74, 71,
+ 26, 27, 64, 75, 77, 82, 77, 77, 77, 64,
+ 65, 82, 83, 82, 82, 74, 74, 74, 74, 75,
+ 75, 75, 75, 64, 69, 69, 82, 74, 27, 26,
+ 82, 68, 0, 69, 3, 4, 14, 15, 6, 7,
+ 22, 23, 24, 41, 44, 68, 76, 64, 68, 74,
+ 74, 74, 74, 74, 74, 33, 34, 35, 36, 78,
+ 81, 74, 74, 65, 71, 71, 70, 71, 73, 74,
+ 72, 74, 74, 25, 65, 76, 13, 64, 75, 80,
+ 80, 80, 80, 65, 81, 14, 15, 7, 68, 65,
+ 83, 68, 79, 64, 70, 70, 72, 25, 65, 79,
+ 68, 65
+};
+
+/* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. */
+static const yytype_int8 yyr1[] =
+{
+ 0, 66, 67, 67, 68, 68, 69, 69, 69, 70,
+ 70, 70, 70, 70, 71, 71, 71, 71, 72, 72,
+ 73, 73, 73, 74, 74, 74, 74, 74, 74, 74,
+ 74, 74, 74, 74, 74, 74, 74, 74, 74, 74,
+ 74, 74, 74, 74, 74, 74, 74, 74, 74, 74,
+ 74, 74, 74, 74, 74, 74, 75, 76, 76, 77,
+ 77, 78, 78, 79, 79, 80, 80, 81, 81, 81,
+ 81, 82, 82, 83, 83, 83
+};
+
+/* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. */
+static const yytype_int8 yyr2[] =
+{
+ 0, 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
+};
+
+
+enum { YYENOMEM = -2 };
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
+#define YYNOMEM goto yyexhaustedlab
+
+
+#define YYRECOVERING() (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value) \
+ do \
+ if (yychar == YYEMPTY) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ YYPOPSTACK (yylen); \
+ yystate = *yyssp; \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror (YY_("syntax error: cannot back up")); \
+ YYERROR; \
+ } \
+ while (0)
+
+/* Backward compatibility with an undocumented macro.
+ Use YYerror or YYUNDEF. */
+#define YYERRCODE YYUNDEF
+
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (0)
+
+
+
+
+# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Kind, Value); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (0)
+
+
+/*-----------------------------------.
+| Print this symbol's value on YYO. |
+`-----------------------------------*/
+
+static void
+yy_symbol_value_print (FILE *yyo,
+ yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+ FILE *yyoutput = yyo;
+ YY_USE (yyoutput);
+ if (!yyvaluep)
+ return;
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ YY_USE (yykind);
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+/*---------------------------.
+| Print this symbol on YYO. |
+`---------------------------*/
+
+static void
+yy_symbol_print (FILE *yyo,
+ yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+ YYFPRINTF (yyo, "%s %s (",
+ yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind));
+
+ yy_symbol_value_print (yyo, yykind, yyvaluep);
+ YYFPRINTF (yyo, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
+
+static void
+yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop)
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (; yybottom <= yytop; yybottom++)
+ {
+ int yybot = *yybottom;
+ YYFPRINTF (stderr, " %d", yybot);
+ }
+ YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
+
+static void
+yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp,
+ int yyrule)
+{
+ int yylno = yyrline[yyrule];
+ int yynrhs = yyr2[yyrule];
+ int yyi;
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n",
+ yyrule - 1, yylno);
+ /* The symbols being reduced. */
+ for (yyi = 0; yyi < yynrhs; yyi++)
+ {
+ YYFPRINTF (stderr, " $%d = ", yyi + 1);
+ yy_symbol_print (stderr,
+ YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]),
+ &yyvsp[(yyi + 1) - (yynrhs)]);
+ YYFPRINTF (stderr, "\n");
+ }
+}
+
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (yyssp, yyvsp, Rule); \
+} while (0)
+
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args) ((void) 0)
+# define YY_SYMBOL_PRINT(Title, Kind, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+static void
+yydestruct (const char *yymsg,
+ yysymbol_kind_t yykind, YYSTYPE *yyvaluep)
+{
+ YY_USE (yyvaluep);
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
+
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ YY_USE (yykind);
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+/* Lookahead token kind. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+/* Number of syntax errors so far. */
+int yynerrs;
+
+
+
+
+/*----------.
+| yyparse. |
+`----------*/
+
+int
+yyparse (void)
+{
+ yy_state_fast_t yystate = 0;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus = 0;
+
+ /* Refer to the stacks through separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* Their size. */
+ YYPTRDIFF_T yystacksize = YYINITDEPTH;
+
+ /* The state stack: array, bottom, top. */
+ yy_state_t yyssa[YYINITDEPTH];
+ yy_state_t *yyss = yyssa;
+ yy_state_t *yyssp = yyss;
+
+ /* The semantic value stack: array, bottom, top. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs = yyvsa;
+ YYSTYPE *yyvsp = yyvs;
+
+ int yyn;
+ /* The return value of yyparse. */
+ int yyresult;
+ /* Lookahead symbol kind. */
+ yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY;
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+
+
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
+
+ /* The number of symbols on the RHS of the reduced rule.
+ Keep to zero when no symbol should be popped. */
+ int yylen = 0;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ goto yysetstate;
+
+
+/*------------------------------------------------------------.
+| yynewstate -- push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. So pushing a state here evens the stacks. */
+ yyssp++;
+
+
+/*--------------------------------------------------------------------.
+| yysetstate -- set current state (the top of the stack) to yystate. |
+`--------------------------------------------------------------------*/
+yysetstate:
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+ YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
+ YY_IGNORE_USELESS_CAST_BEGIN
+ *yyssp = YY_CAST (yy_state_t, yystate);
+ YY_IGNORE_USELESS_CAST_END
+ YY_STACK_PRINT (yyss, yyssp);
+
+ if (yyss + yystacksize - 1 <= yyssp)
+#if !defined yyoverflow && !defined YYSTACK_RELOCATE
+ YYNOMEM;
+#else
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYPTRDIFF_T yysize = yyssp - yyss + 1;
+
+# if defined yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ yy_state_t *yyss1 = yyss;
+ YYSTYPE *yyvs1 = yyvs;
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow (YY_("memory exhausted"),
+ &yyss1, yysize * YYSIZEOF (*yyssp),
+ &yyvs1, yysize * YYSIZEOF (*yyvsp),
+ &yystacksize);
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+# else /* defined YYSTACK_RELOCATE */
+ /* Extend the stack our own way. */
+ if (YYMAXDEPTH <= yystacksize)
+ YYNOMEM;
+ yystacksize *= 2;
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ yy_state_t *yyss1 = yyss;
+ union yyalloc *yyptr =
+ YY_CAST (union yyalloc *,
+ YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize))));
+ if (! yyptr)
+ YYNOMEM;
+ YYSTACK_RELOCATE (yyss_alloc, yyss);
+ YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+
+ YY_IGNORE_USELESS_CAST_BEGIN
+ YYDPRINTF ((stderr, "Stack size increased to %ld\n",
+ YY_CAST (long, yystacksize)));
+ YY_IGNORE_USELESS_CAST_END
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ YYABORT;
+ }
+#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
+
+
+ if (yystate == YYFINAL)
+ YYACCEPT;
+
+ goto yybackup;
+
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+ /* Do appropriate processing given the current state. Read a
+ lookahead token if we need one and don't already have one. */
+
+ /* First try to decide what to do without reference to lookahead token. */
+ yyn = yypact[yystate];
+ if (yypact_value_is_default (yyn))
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* YYCHAR is either empty, or end-of-input, or a valid lookahead. */
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token\n"));
+ yychar = yylex ();
+ }
+
+ if (yychar <= YYEOF)
+ {
+ yychar = YYEOF;
+ yytoken = YYSYMBOL_YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else if (yychar == YYerror)
+ {
+ /* The scanner already issued an error message, process directly
+ to error recovery. But do not keep the error token as
+ lookahead, it is too special and may lead us to an endless
+ loop in error recovery. */
+ yychar = YYUNDEF;
+ yytoken = YYSYMBOL_YYerror;
+ goto yyerrlab1;
+ }
+ else
+ {
+ yytoken = YYTRANSLATE (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+ }
+
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+ goto yydefault;
+ yyn = yytable[yyn];
+ if (yyn <= 0)
+ {
+ if (yytable_value_is_error (yyn))
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
+ /* Shift the lookahead token. */
+ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+ yystate = yyn;
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ *++yyvsp = yylval;
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+ /* Discard the shifted token. */
+ yychar = YYEMPTY;
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ '$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 3: /* top: equation */
+#line 128 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].b)->top_level(); non_empty_flag = 1; }
+#line 1472 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 4: /* equation: mark */
+#line 133 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[0].b); }
+#line 1478 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 5: /* equation: equation mark */
+#line 135 "../src/preproc/eqn/eqn.ypp"
+ {
+ 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;
+ }
+#line 1490 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 6: /* mark: from_to */
+#line 146 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[0].b); }
+#line 1496 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 7: /* mark: MARK mark */
+#line 148 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_mark_box((yyvsp[0].b)); }
+#line 1502 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 8: /* mark: LINEUP mark */
+#line 150 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_lineup_box((yyvsp[0].b)); }
+#line 1508 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 9: /* from_to: sqrt_over */
+#line 155 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[0].b); }
+#line 1514 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 10: /* from_to: sqrt_over TO from_to */
+#line 157 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_limit_box((yyvsp[-2].b), 0, (yyvsp[0].b)); }
+#line 1520 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 11: /* from_to: sqrt_over FROM sqrt_over */
+#line 159 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_limit_box((yyvsp[-2].b), (yyvsp[0].b), 0); }
+#line 1526 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 12: /* from_to: sqrt_over FROM sqrt_over TO from_to */
+#line 161 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_limit_box((yyvsp[-4].b), (yyvsp[-2].b), (yyvsp[0].b)); }
+#line 1532 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 13: /* from_to: sqrt_over FROM sqrt_over FROM from_to */
+#line 163 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_limit_box((yyvsp[-4].b), make_limit_box((yyvsp[-2].b), (yyvsp[0].b), 0), 0); }
+#line 1538 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 14: /* sqrt_over: script */
+#line 168 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[0].b); }
+#line 1544 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 15: /* sqrt_over: SQRT sqrt_over */
+#line 170 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_sqrt_box((yyvsp[0].b)); }
+#line 1550 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 16: /* sqrt_over: sqrt_over OVER sqrt_over */
+#line 172 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_over_box((yyvsp[-2].b), (yyvsp[0].b)); }
+#line 1556 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 17: /* sqrt_over: sqrt_over SMALLOVER sqrt_over */
+#line 174 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_small_over_box((yyvsp[-2].b), (yyvsp[0].b)); }
+#line 1562 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 18: /* script: nonsup */
+#line 179 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[0].b); }
+#line 1568 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 19: /* script: simple SUP script */
+#line 181 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_script_box((yyvsp[-2].b), 0, (yyvsp[0].b)); }
+#line 1574 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 20: /* nonsup: simple */
+#line 186 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[0].b); }
+#line 1580 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 21: /* nonsup: simple SUB nonsup */
+#line 188 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_script_box((yyvsp[-2].b), (yyvsp[0].b), 0); }
+#line 1586 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 22: /* nonsup: simple SUB simple SUP script */
+#line 190 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_script_box((yyvsp[-4].b), (yyvsp[-2].b), (yyvsp[0].b)); }
+#line 1592 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 23: /* simple: TEXT */
+#line 195 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = split_text((yyvsp[0].str)); }
+#line 1598 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 24: /* simple: QUOTED_TEXT */
+#line 197 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new quoted_text_box((yyvsp[0].str)); }
+#line 1604 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 25: /* simple: SPLIT QUOTED_TEXT */
+#line 199 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = split_text((yyvsp[0].str)); }
+#line 1610 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 26: /* simple: NOSPLIT TEXT */
+#line 201 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new quoted_text_box((yyvsp[0].str)); }
+#line 1616 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 27: /* simple: '^' */
+#line 203 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new half_space_box; }
+#line 1622 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 28: /* simple: '~' */
+#line 205 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new space_box; }
+#line 1628 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 29: /* simple: '\t' */
+#line 207 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new tab_box; }
+#line 1634 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 30: /* simple: '{' equation '}' */
+#line 209 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[-1].b); }
+#line 1640 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 31: /* simple: PILE pile_arg */
+#line 211 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].pb)->set_alignment(CENTER_ALIGN); (yyval.b) = (yyvsp[0].pb); }
+#line 1646 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 32: /* simple: LPILE pile_arg */
+#line 213 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].pb)->set_alignment(LEFT_ALIGN); (yyval.b) = (yyvsp[0].pb); }
+#line 1652 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 33: /* simple: RPILE pile_arg */
+#line 215 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].pb)->set_alignment(RIGHT_ALIGN); (yyval.b) = (yyvsp[0].pb); }
+#line 1658 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 34: /* simple: CPILE pile_arg */
+#line 217 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].pb)->set_alignment(CENTER_ALIGN); (yyval.b) = (yyvsp[0].pb); }
+#line 1664 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 35: /* simple: MATRIX '{' column_list '}' */
+#line 219 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = (yyvsp[-1].mb); }
+#line 1670 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 36: /* simple: LEFT delim equation RIGHT delim */
+#line 221 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_delim_box((yyvsp[-3].str), (yyvsp[-2].b), (yyvsp[0].str)); }
+#line 1676 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 37: /* simple: LEFT delim equation */
+#line 223 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_delim_box((yyvsp[-1].str), (yyvsp[0].b), 0); }
+#line 1682 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 38: /* simple: simple BAR */
+#line 225 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_overline_box((yyvsp[-1].b)); }
+#line 1688 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 39: /* simple: simple UNDER */
+#line 227 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_underline_box((yyvsp[-1].b)); }
+#line 1694 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 40: /* simple: simple PRIME */
+#line 229 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_prime_box((yyvsp[-1].b)); }
+#line 1700 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 41: /* simple: simple ACCENT simple */
+#line 231 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_accent_box((yyvsp[-2].b), (yyvsp[0].b)); }
+#line 1706 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 42: /* simple: simple UACCENT simple */
+#line 233 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_uaccent_box((yyvsp[-2].b), (yyvsp[0].b)); }
+#line 1712 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 43: /* simple: ROMAN simple */
+#line 235 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new font_box(strsave(get_grfont()), (yyvsp[0].b)); }
+#line 1718 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 44: /* simple: BOLD simple */
+#line 237 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new font_box(strsave(get_gbfont()), (yyvsp[0].b)); }
+#line 1724 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 45: /* simple: ITALIC simple */
+#line 239 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new font_box(strsave(get_gfont()), (yyvsp[0].b)); }
+#line 1730 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 46: /* simple: FAT simple */
+#line 241 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new fat_box((yyvsp[0].b)); }
+#line 1736 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 47: /* simple: FONT text simple */
+#line 243 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new font_box((yyvsp[-1].str), (yyvsp[0].b)); }
+#line 1742 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 48: /* simple: SIZE text simple */
+#line 245 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new size_box((yyvsp[-1].str), (yyvsp[0].b)); }
+#line 1748 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 49: /* simple: FWD number simple */
+#line 247 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new hmotion_box((yyvsp[-1].n), (yyvsp[0].b)); }
+#line 1754 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 50: /* simple: BACK number simple */
+#line 249 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new hmotion_box(-(yyvsp[-1].n), (yyvsp[0].b)); }
+#line 1760 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 51: /* simple: UP number simple */
+#line 251 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new vmotion_box((yyvsp[-1].n), (yyvsp[0].b)); }
+#line 1766 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 52: /* simple: DOWN number simple */
+#line 253 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new vmotion_box(-(yyvsp[-1].n), (yyvsp[0].b)); }
+#line 1772 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 53: /* simple: TYPE text simple */
+#line 255 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].b)->set_spacing_type((yyvsp[-1].str)); (yyval.b) = (yyvsp[0].b); }
+#line 1778 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 54: /* simple: VCENTER simple */
+#line 257 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = new vcenter_box((yyvsp[0].b)); }
+#line 1784 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 55: /* simple: SPECIAL text simple */
+#line 259 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.b) = make_special_box((yyvsp[-1].str), (yyvsp[0].b)); }
+#line 1790 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 56: /* number: text */
+#line 264 "../src/preproc/eqn/eqn.ypp"
+ {
+ int n;
+ if (sscanf((yyvsp[0].str), "%d", &n) == 1)
+ (yyval.n) = n;
+ delete[] (yyvsp[0].str);
+ }
+#line 1801 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 57: /* pile_element_list: equation */
+#line 274 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.pb) = new pile_box((yyvsp[0].b)); }
+#line 1807 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 58: /* pile_element_list: pile_element_list ABOVE equation */
+#line 276 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[-2].pb)->append((yyvsp[0].b)); (yyval.pb) = (yyvsp[-2].pb); }
+#line 1813 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 59: /* pile_arg: '{' pile_element_list '}' */
+#line 281 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.pb) = (yyvsp[-1].pb); }
+#line 1819 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 60: /* pile_arg: number '{' pile_element_list '}' */
+#line 283 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[-1].pb)->set_space((yyvsp[-3].n)); (yyval.pb) = (yyvsp[-1].pb); }
+#line 1825 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 61: /* column_list: column */
+#line 288 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.mb) = new matrix_box((yyvsp[0].col)); }
+#line 1831 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 62: /* column_list: column_list column */
+#line 290 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[-1].mb)->append((yyvsp[0].col)); (yyval.mb) = (yyvsp[-1].mb); }
+#line 1837 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 63: /* column_element_list: equation */
+#line 295 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.col) = new column((yyvsp[0].b)); }
+#line 1843 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 64: /* column_element_list: column_element_list ABOVE equation */
+#line 297 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[-2].col)->append((yyvsp[0].b)); (yyval.col) = (yyvsp[-2].col); }
+#line 1849 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 65: /* column_arg: '{' column_element_list '}' */
+#line 302 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.col) = (yyvsp[-1].col); }
+#line 1855 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 66: /* column_arg: number '{' column_element_list '}' */
+#line 304 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[-1].col)->set_space((yyvsp[-3].n)); (yyval.col) = (yyvsp[-1].col); }
+#line 1861 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 67: /* column: COL column_arg */
+#line 309 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].col)->set_alignment(CENTER_ALIGN); (yyval.col) = (yyvsp[0].col); }
+#line 1867 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 68: /* column: LCOL column_arg */
+#line 311 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].col)->set_alignment(LEFT_ALIGN); (yyval.col) = (yyvsp[0].col); }
+#line 1873 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 69: /* column: RCOL column_arg */
+#line 313 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].col)->set_alignment(RIGHT_ALIGN); (yyval.col) = (yyvsp[0].col); }
+#line 1879 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 70: /* column: CCOL column_arg */
+#line 315 "../src/preproc/eqn/eqn.ypp"
+ { (yyvsp[0].col)->set_alignment(CENTER_ALIGN); (yyval.col) = (yyvsp[0].col); }
+#line 1885 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 71: /* text: TEXT */
+#line 319 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.str) = (yyvsp[0].str); }
+#line 1891 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 72: /* text: QUOTED_TEXT */
+#line 321 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.str) = (yyvsp[0].str); }
+#line 1897 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 73: /* delim: text */
+#line 326 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.str) = (yyvsp[0].str); }
+#line 1903 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 74: /* delim: '{' */
+#line 328 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.str) = strsave("{"); }
+#line 1909 "src/preproc/eqn/eqn.cpp"
+ break;
+
+ case 75: /* delim: '}' */
+#line 330 "../src/preproc/eqn/eqn.ypp"
+ { (yyval.str) = strsave("}"); }
+#line 1915 "src/preproc/eqn/eqn.cpp"
+ break;
+
+
+#line 1919 "src/preproc/eqn/eqn.cpp"
+
+ default: break;
+ }
+ /* User semantic actions sometimes alter yychar, and that requires
+ that yytoken be updated with the new translation. We take the
+ approach of translating immediately before every use of yytoken.
+ One alternative is translating here after every semantic action,
+ but that translation would be missed if the semantic action invokes
+ YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
+ if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an
+ incorrect destructor might then be invoked immediately. In the
+ case of YYERROR or YYBACKUP, subsequent parser actions might lead
+ to an incorrect destructor call or verbose syntax error message
+ before the lookahead is translated. */
+ YY_SYMBOL_PRINT ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc);
+
+ YYPOPSTACK (yylen);
+ yylen = 0;
+
+ *++yyvsp = yyval;
+
+ /* 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. */
+ {
+ const int yylhs = yyr1[yyn] - YYNTOKENS;
+ const int yyi = yypgoto[yylhs] + *yyssp;
+ yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
+ ? yytable[yyi]
+ : yydefgoto[yylhs]);
+ }
+
+ goto yynewstate;
+
+
+/*--------------------------------------.
+| yyerrlab -- here on detecting error. |
+`--------------------------------------*/
+yyerrlab:
+ /* Make sure we have latest lookahead translation. See comments at
+ user semantic actions for why this is necessary. */
+ yytoken = yychar == YYEMPTY ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar);
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+ yyerror (YY_("syntax error"));
+ }
+
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ if (yychar <= YYEOF)
+ {
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ YYABORT;
+ }
+ else
+ {
+ yydestruct ("Error: discarding",
+ yytoken, &yylval);
+ yychar = YYEMPTY;
+ }
+ }
+
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
+ goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+ /* Pacify compilers when the user code never invokes YYERROR and the
+ label yyerrorlab therefore never appears in user code. */
+ if (0)
+ YYERROR;
+ ++yynerrs;
+
+ /* Do not reclaim the symbols of the rule whose action triggered
+ this YYERROR. */
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+ yystate = *yyssp;
+ goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
+
+ /* Pop stack until we find a state that shifts the error token. */
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (!yypact_value_is_default (yyn))
+ {
+ yyn += YYSYMBOL_YYerror;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
+
+
+ yydestruct ("Error: popping",
+ YY_ACCESSING_SYMBOL (yystate), yyvsp);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
+ }
+
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ *++yyvsp = yylval;
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+
+ /* Shift the error token. */
+ YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp);
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturnlab;
+
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturnlab;
+
+
+/*-----------------------------------------------------------.
+| yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here. |
+`-----------------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (YY_("memory exhausted"));
+ yyresult = 2;
+ goto yyreturnlab;
+
+
+/*----------------------------------------------------------.
+| yyreturnlab -- parsing is finished, clean up and return. |
+`----------------------------------------------------------*/
+yyreturnlab:
+ if (yychar != YYEMPTY)
+ {
+ /* Make sure we have latest lookahead translation. See comments at
+ user semantic actions for why this is necessary. */
+ yytoken = YYTRANSLATE (yychar);
+ yydestruct ("Cleanup: discarding lookahead",
+ yytoken, &yylval);
+ }
+ /* Do not reclaim the symbols of the rule whose action triggered
+ this YYABORT or YYACCEPT. */
+ YYPOPSTACK (yylen);
+ YY_STACK_PRINT (yyss, yyssp);
+ while (yyssp != yyss)
+ {
+ yydestruct ("Cleanup: popping",
+ YY_ACCESSING_SYMBOL (+*yyssp), yyvsp);
+ YYPOPSTACK (1);
+ }
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+
+ return yyresult;
+}
+
+#line 333 "../src/preproc/eqn/eqn.ypp"
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 18:09:17 +0000