eqn.cc

早期freebsd实现

#ifndef lint
static char yysccsid[] = "@(#)yaccpar	1.8 (Berkeley) 01/20/90";
#endif
#define YYBYACC 1
#line 20 "/u/jjc/groff/eqn/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 "/u/jjc/groff/eqn/eqn.y"
typedef union {
	char *str;
	box *b;
	pile_box *pb;
	matrix_box *mb;
	int n;
	column *col;
} YYSTYPE;
#line 26 "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
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,
};
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,
};
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,
};
short yydgoto[] = {                                      31,
   32,   33,   34,   35,   36,   84,   38,   43,   44,   52,
   85,   45,   98,   99,  118,  131,
};
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,
};
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,
};
short yygindex[] = {                                      0,
   -7,  -69,    3,  -66,  458,    9,  -26,   52,   27,  -63,
  -32,   54,    0,  -35,    2,  -59,
};
#define YYTABLESIZE 1865
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,
};
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,