Sprite 1984

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Wrap

C/C++ Source or Header | 1989-10-24 | 89.7 KB | 2,933 lines

/* A Bison parser, made from awk.y */ #define FUNC_CALL 258 #define NAME 259 #define REGEXP 260 #define ERROR 261 #define NUMBER 262 #define YSTRING 263 #define RELOP 264 #define APPEND_OP 265 #define ASSIGNOP 266 #define MATCHOP 267 #define NEWLINE 268 #define CONCAT_OP 269 #define LEX_BEGIN 270 #define LEX_END 271 #define LEX_IF 272 #define LEX_ELSE 273 #define LEX_RETURN 274 #define LEX_DELETE 275 #define LEX_WHILE 276 #define LEX_DO 277 #define LEX_FOR 278 #define LEX_BREAK 279 #define LEX_CONTINUE 280 #define LEX_PRINT 281 #define LEX_PRINTF 282 #define LEX_NEXT 283 #define LEX_EXIT 284 #define LEX_FUNCTION 285 #define LEX_GETLINE 286 #define LEX_IN 287 #define LEX_AND 288 #define LEX_OR 289 #define INCREMENT 290 #define DECREMENT 291 #define LEX_BUILTIN 292 #define LEX_LENGTH 293 #define UNARY 294 #line 26 "awk.y" #ifdef DEBUG #define YYDEBUG 12 #endif #include "awk.h" /* * This line is necessary since the Bison parser skeleton uses bcopy. * Systems without memcpy should use -DMEMCPY_MISSING, per the Makefile. * It should not hurt anything if Yacc is being used instead of Bison. */ #define bcopy(s,d,n) memcpy((d),(s),(n)) extern void msg(); extern struct re_pattern_buffer *mk_re_parse(); NODE *node(); NODE *lookup(); NODE *install(); static NODE *snode(); static NODE *mkrangenode(); static FILE *pathopen(); static NODE *make_for_loop(); static NODE *append_right(); static void func_install(); static NODE *make_param(); static int hashf(); static void pop_params(); static void pop_var(); static int yylex (); static void yyerror(); static int want_regexp; /* lexical scanning kludge */ static int want_assign; /* lexical scanning kludge */ static int can_return; /* lexical scanning kludge */ static int io_allowed = 1; /* lexical scanning kludge */ static int lineno = 1; /* for error msgs */ static char *lexptr; /* pointer to next char during parsing */ static char *lexptr_begin; /* keep track of where we were for error msgs */ static int curinfile = -1; /* index into sourcefiles[] */ static int param_counter; NODE *variables[HASHSIZE]; extern int errcount; extern NODE *begin_block; extern NODE *end_block; #line 77 "awk.y" typedef union { long lval; AWKNUM fval; NODE *nodeval; NODETYPE nodetypeval; char *sval; NODE *(*ptrval)(); } YYSTYPE; #ifndef YYLTYPE typedef struct yyltype { int timestamp; int first_line; int first_column; int last_line; int last_column; char *text; } yyltype; #define YYLTYPE yyltype #endif #define YYACCEPT return(0) #define YYABORT return(1) #define YYERROR goto yyerrlab #include <stdio.h> #ifndef __STDC__ #define const #endif #define YYFINAL 298 #define YYFLAG -32768 #define YYNTBASE 61 #define YYTRANSLATE(x) ((unsigned)(x) <= 294 ? yytranslate[x] : 105) static const char yytranslate[] = { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 49, 2, 2, 52, 48, 2, 2, 53, 54, 46, 44, 60, 45, 2, 47, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 40, 59, 41, 2, 42, 39, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 55, 2, 56, 51, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 57, 43, 58, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 50 }; static const short yyrline[] = { 0, 136, 141, 149, 165, 166, 170, 172, 186, 188, 202, 208, 214, 216, 218, 220, 229, 231, 236, 240, 248, 257, 259, 268, 270, 281, 286, 291, 293, 301, 303, 308, 310, 316, 318, 320, 322, 324, 326, 328, 333, 337, 342, 345, 348, 350, 352, 355, 356, 358, 360, 362, 364, 369, 371, 376, 381, 388, 390, 395, 397, 402, 404, 409, 411, 413, 415, 420, 422, 427, 429, 431, 433, 435, 441, 443, 448, 450, 455, 457, 463, 465, 467, 469, 474, 476, 481, 483, 489, 491, 493, 495, 500, 503, 504, 506, 511, 520, 522, 524, 526, 528, 530, 532, 534, 536, 538, 540, 542, 547, 550, 551, 553, 555, 564, 566, 568, 570, 572, 574, 576, 578, 583, 585, 587, 589, 591, 593, 597, 599, 601, 603, 605, 607, 609, 613, 615, 617, 619, 621, 623, 625, 627, 632, 634, 639, 641, 643, 648, 652, 656, 660, 661, 665, 668 }; static const char * const yytname[] = { 0, "error","$illegal.","FUNC_CALL","NAME","REGEXP","ERROR","NUMBER","YSTRING","RELOP","APPEND_OP", "ASSIGNOP","MATCHOP","NEWLINE","CONCAT_OP","LEX_BEGIN","LEX_END","LEX_IF","LEX_ELSE","LEX_RETURN","LEX_DELETE", "LEX_WHILE","LEX_DO","LEX_FOR","LEX_BREAK","LEX_CONTINUE","LEX_PRINT","LEX_PRINTF","LEX_NEXT","LEX_EXIT","LEX_FUNCTION", "LEX_GETLINE","LEX_IN","LEX_AND","LEX_OR","INCREMENT","DECREMENT","LEX_BUILTIN","LEX_LENGTH","'?'","':'", "'<'","'>'","'|'","'+'","'-'","'*'","'/'","'%'","'!'","UNARY", "'^'","'$'","'('","')'","'['","']'","'{'","'}'","';'","','", "start" }; static const short yyr1[] = { 0, 61, 62, 62, 62, 62, 64, 63, 65, 63, 63, 63, 63, 63, 63, 63, 66, 66, 68, 67, 69, 70, 70, 72, 71, 73, 73, 74, 74, 74, 74, 75, 75, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 77, 76, 76, 78, 76, 76, 76, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83, 84, 84, 84, 84, 85, 85, 86, 86, 86, 86, 86, 87, 87, 88, 88, 89, 89, 89, 89, 89, 89, 90, 90, 91, 91, 91, 91, 91, 91, 93, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 97, 97, 98, 98, 98, 99, 100, 101, 102, 102, 103, 104 }; static const short yyr2[] = { 0, 3, 1, 2, 1, 2, 0, 3, 0, 3, 2, 2, 2, 1, 2, 2, 1, 1, 0, 7, 3, 1, 3, 0, 4, 3, 4, 1, 2, 1, 2, 1, 2, 2, 2, 3, 1, 6, 8, 8, 10, 9, 2, 2, 6, 4, 0, 3, 3, 0, 4, 6, 2, 1, 1, 6, 9, 1, 2, 0, 1, 0, 2, 0, 2, 2, 2, 0, 1, 1, 3, 1, 2, 3, 0, 1, 0, 1, 1, 3, 1, 2, 3, 3, 0, 1, 1, 3, 1, 2, 3, 3, 0, 4, 5, 4, 3, 3, 3, 3, 1, 2, 3, 3, 3, 3, 5, 1, 2, 0, 4, 3, 3, 3, 1, 2, 3, 3, 3, 5, 1, 2, 2, 3, 4, 4, 1, 4, 2, 2, 2, 2, 1, 1, 1, 3, 3, 3, 3, 3, 3, 2, 2, 0, 1, 1, 4, 2, 2, 2, 1, 0, 1, 1, 2 }; static const short yydefact[] = { 59, 57, 60, 0, 58, 4, 0, 145, 133, 134, 6, 8, 18, 143, 0, 0, 0, 126, 0, 0, 23, 0, 0, 0, 59, 0, 2, 0, 0, 100, 13, 21, 107, 132, 0, 0, 0, 153, 0, 10, 31, 59, 0, 11, 0, 61, 144, 128, 129, 0, 0, 0, 0, 142, 132, 141, 0, 101, 122, 147, 88, 0, 86, 148, 5, 3, 1, 15, 0, 12, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 59, 108, 0, 0, 0, 0, 0, 0, 0, 92, 130, 131, 29, 0, 49, 0, 0, 59, 0, 0, 0, 53, 54, 46, 74, 59, 0, 27, 0, 36, 0, 0, 151, 59, 0, 0, 86, 0, 7, 32, 9, 17, 16, 0, 0, 96, 0, 0, 0, 0, 89, 150, 0, 0, 123, 0, 103, 99, 102, 97, 98, 0, 104, 105, 143, 154, 22, 139, 140, 136, 137, 138, 135, 0, 0, 74, 0, 0, 0, 74, 42, 43, 0, 0, 75, 149, 30, 28, 151, 80, 143, 0, 0, 114, 63, 0, 78, 120, 132, 52, 0, 34, 25, 152, 33, 127, 146, 0, 62, 124, 125, 24, 90, 0, 91, 87, 20, 0, 95, 93, 0, 0, 0, 0, 0, 145, 0, 47, 48, 26, 61, 115, 0, 0, 0, 0, 0, 81, 0, 0, 0, 0, 0, 0, 0, 121, 109, 35, 71, 69, 0, 0, 94, 106, 59, 50, 0, 59, 0, 0, 0, 113, 63, 65, 64, 66, 45, 82, 83, 79, 118, 116, 117, 111, 112, 0, 0, 59, 72, 0, 0, 0, 0, 0, 0, 0, 74, 0, 0, 110, 19, 73, 70, 55, 51, 37, 0, 59, 74, 0, 44, 119, 59, 59, 0, 0, 59, 0, 38, 39, 59, 0, 56, 0, 41, 40, 0, 0, 0 }; static const short yydefgoto[] = { 296, 25, 26, 38, 42, 123, 27, 44, 67, 28, 29, 56, 30, 106, 39, 107, 162, 155, 108, 109, 2, 3, 125, 216, 230, 231, 163, 174, 175, 114, 115, 81, 153, 225, 256, 32, 45, 33, 111, 112, 134, 182, 113, 133 }; static const short yypact[] = { 21, -32768, 37, 1020,-32768,-32768, -32, 1,-32768,-32768, 17, 17,-32768, 11, 11, 11, 31, 45, 1757, 1757,-32768, 1738, 1757, 1112, 21, 540,-32768, 13, 40,-32768,-32768, 816, 142, 55, 612, 1092, 1112,-32768, 13,-32768, 37, 21, 13,-32768, 51, 59,-32768,-32768,-32768, 1092, 1092, 1757, 1625, 27, -7, 27, 97,-32768, 27,-32768,-32768, 4, 1225,-32768,-32768,-32768,-32768,-32768, 706,-32768,-32768, 1625, 1625, 100, 1625, 1625, 1625, 1625, 1625, 76, 21, 300, 1625, 1757, 1757, 1757, 1757, 1757, 1757,-32768,-32768, -32768,-32768, 52,-32768, 109, 62, 21, 64, 17, 17, -32768,-32768,-32768, 1625, 21, 659,-32768, 763,-32768, 920, 612, 65, 21, 67, 7, 1324, 25,-32768,-32768,-32768, -32768,-32768, 70, 1757,-32768, 67, 67, 1225, 84, 1625, -32768, 101, 1159,-32768, 659, 1811, 1796,-32768, 1465, 1371, 1277, 1811, 1811, 11,-32768, 1324, -10, -10, 27, 27, 27, 27, 1625, 1625, 1625, 87, 1625, 863, 1672,-32768, -32768, 17, 17, 1324,-32768,-32768,-32768, 65,-32768, 11, 1738, 1112,-32768, 9, 0, 1512, 142, 83,-32768, 659, -32768,-32768,-32768,-32768,-32768,-32768, 8, 142,-32768,-32768, -32768, 1324, 134,-32768, 1324,-32768, 1625,-32768, 1324, 1225, 17, 1112, 1225, 122, -16, 65,-32768,-32768,-32768, 59, -32768, 4, 1625, 1625, 1625, 17, 1691, 1178, 1691, 1691, 140, 1691, 1691, 1691, 939,-32768,-32768,-32768,-32768, 67, 23,-32768, 1324, 21,-32768, 26, 21, 94, 144, 1045, -32768, 9, 1324, 1324, 1324,-32768, 1512,-32768, 1512, 782, 1858,-32768, 1606, 1559, 1418, 1691, 21,-32768, 44, 863, 17, 863, 1625, 67, 973, 1625, 17, 1691, 1512,-32768, -32768,-32768, 131,-32768,-32768, 1225, 21, 1625, 67,-32768, 1512, 21, 21, 863, 67, 21, 863,-32768,-32768, 21, 863,-32768, 863,-32768,-32768, 163, 166,-32768 }; static const short yypgoto[] = {-32768, -32768, 145,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 201, -32768, 78, -54, 12, 225,-32768,-32768,-32768,-32768, 363, 104, -39, -70,-32768,-32768, -152,-32768,-32768, 60, -19, -3,-32768, -83,-32768, 146, -126, 74, 178, -100, 319, 10, 329, -29 }; #define YYLAST 1911 static const short yytable[] = { 31, 217, 82, 201, 61, 130, 168, 206, 130, 228, -77, 181, 229, -77, 135, 7, 239, 117, 198, 213, 62, 35, 31, 43, 258, 176, 130, 130, 90, 91, 1, 110, 116, 116, 1, 196, 85, 86, 87, 36, 70, 88, -77, -77, 210, 271, 116, 116, 272, 128, 4, 214, 215, 1, 121, 122, 36, 180, 131, -77, 80, -85, -67, 22, 80, 110, 89, 80, 136, 137, 24, 139, 140, 141, 142, 143, 37, -68, 88, 146, 227, 186, 261, 80, 49, 80, 80, 46, 47, 48, 90, 91, 54, 54, 226, 54, 54, 24, 50, 37, 124, 164, 129, 110, 138, 154, 69, 144, 110, 126, 127, 160, 161, 156, 279, 157, 118, 159, 90, 91, 120, 131, 179, 187, 37, 54, 285, 192, 63, 66, 195, 191, 110, 193, 247, 249, 250, 251, 232, 253, 254, 255, 202, 238, 252, 119, 218, 263, 264, 282, 199, 200, 164, 212, 203, 110, 164, 54, 54, 54, 54, 54, 54, 297, 53, 55, 298, 58, 59, 62, 65, 241, 267, 269, 207, 208, 0, 110, 209, 0, 0, 34, 178, 236, 145, 281, 83, 84, 85, 86, 87, 0, 0, 88, 233, 0, 0, 58, 54, 116, 0, 158, 259, 34, 0, 68, 34, 0, 0, 165, 243, 244, 245, 235, 0, 0, 34, 184, 46, 0, 34, 0, 57, 0, 0, 0, 0, 0, 246, 147, 148, 149, 150, 151, 152, 0, 0, 265, 0, 0, 0, 0, 0, 0, 46, 54, 0, 0, 0, 0, 178, 0, 0, 0, 177, 0, 0, 110, 0, 110, 276, 0, 0, 164, 0, 0, 0, 0, 0, 0, 188, 0, 0, 274, 0, 164, 0, 0, 0, 280, 0, 110, 0, 0, 110, 0, 0, 0, 110, 0, 110, 178, 178, 178, 178, 0, 178, 178, 178, 178, 0, 0, 0, 0, 7, 0, 0, 8, 9, 173, 0, 0, 0, 0, 0, 0, 0, 58, 0, 0, 0, 178, 177, 178, 178, 178, 0, 178, 178, 178, 178, 167, 0, 0, 0, 14, 15, 0, 260, 41, 41, 262, 178, 178, 18, 19, 0, 20, 0, 21, 0, 0, 22, 23, 0, 178, 0, 41, 0, 0, 167, 270, 0, 177, 177, 177, 177, 0, 177, 177, 177, 177, 211, 40, 40, 0, 0, 173, 0, 0, 132, 284, 0, 204, 0, 0, 287, 288, 0, 0, 291, 40, 0, 177, 293, 177, 177, 177, 0, 177, 177, 177, 177, 0, 0, 167, 0, 0, 0, 0, 0, 0, 0, 0, 177, 177, 0, 0, 173, 173, 173, 173, 0, 173, 173, 173, 173, 177, 41, 41, 0, 0, 0, 185, 0, 0, 0, 0, 0, 41, 0, 183, 0, 0, 0, 189, 190, 0, 173, 0, 173, 173, 173, 0, 173, 173, 173, 173, 0, 0, 0, 0, 40, 40, 0, 0, 0, 0, 0, 173, 173, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0, 0, 173, 0, 0, 273, 0, 275, 0, 0, 0, 41, 41, 0, 0, 0, 0, 183, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 289, 0, 0, 292, 0, 0, 0, 294, 0, 295, 234, 0, 0, 237, 0, 0, 40, 40, 0, 0, 0, 41, 242, 0, 0, 0, 240, 0, 0, 0, 0, -59, 64, 0, 6, 7, 41, 0, 8, 9, 257, 0, 0, 0, 1, 0, 10, 11, 0, 0, 0, 0, 0, 0, 0, 40, 0, 0, 0, 0, 266, 12, 13, 0, 0, 0, 14, 15, 16, 17, 40, 0, 0, 0, 277, 18, 19, 0, 20, 0, 21, 41, 0, 22, 23, 278, 283, 41, 24, 286, 0, 0, 0, 0, 0, 290, 0, 0, 0, 0, 0, 0, 0, 0, 92, 0, 6, 7, 0, 0, 8, 9, 0, 0, 0, 40, 0, 0, 0, 0, 93, 40, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 0, 13, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 166, 21, 6, 7, 22, 23, 8, 9, 0, 24, 105, 37, 0, 0, 0, 0, 93, 0, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 0, 13, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 92, 21, 6, 7, 22, 23, 8, 9, 0, 24, 105, 37, 0, 0, 0, 0, 93, 0, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 0, 13, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 21, 0, 0, 22, 23, 0, 0, 0, 24, 169, 37, 6, 7, 0, 0, 8, 9, 0, -76, 0, 0, -76, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 8, 9, -32768, 0, 0, 170, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, -76, -76, 18, 19, 0, 20, 0, 171, 0, 0, 22, 172, 14, 15, 6, 7, 0, -76, 8, 9, 71, 18, 19, 72, 20, 0, 171, 0, 0, 22, 52, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 74, 75, 14, 15, 16, 17, 76, 0, 77, 78, 79, 18, 19, 0, 20, 0, 21, 6, 7, 22, 23, 8, 9, 0, 0, 0, 0, 80, 0, 0, 0, 93, 0, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 0, 13, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 21, 0, 0, 22, 23, 0, 0, 0, 24, 0, 37, 6, 7, 0, 0, 8, 9, 71, 0, 0, 72, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 8, 9, 0, 0, 0, 13, 73, 74, 75, 14, 15, 16, 17, 76, 0, 77, 78, 79, 18, 19, 0, 20, 0, 21, 0, 0, 22, 23, 14, 15, 6, 7, 0, 37, 8, 9, 71, 18, 19, 72, 20, 0, 171, 0, 0, 22, 52, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 74, 75, 14, 15, 16, 17, 76, 0, 77, 78, 79, 18, 19, 0, 20, 5, 21, 6, 7, 22, 23, 8, 9, 0, 0, 0, 37, 0, 0, 10, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 12, 13, 8, 9, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 21, 0, 0, 22, 23, 0, 0, 13, 24, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 60, 21, 6, 7, 22, 23, 8, 9, 0, 0, 0, 37, 0, 0, 0, 0, 0, 0, 0, 0, 60, 0, 6, 7, 0, 0, 8, 9, 0, 0, 13, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 21, 0, 13, 22, 23, -84, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 194, 21, 6, 7, 22, 23, 8, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 248, 0, 6, 7, 0, 0, 8, 9, 0, 0, 0, 13, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 21, 170, 0, 22, 23, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 171, 6, 7, 22, 52, 8, 9, 71, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 74, 75, 14, 15, 16, 17, 76, 0, 77, 78, 79, 18, 19, 0, 20, 0, 21, 0, 0, 22, 23, 131, 6, 7, 0, 0, 8, 9, 71, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 74, 75, 14, 15, 16, 17, 76, 197, 77, 78, 79, 18, 19, 0, 20, 0, 21, 6, 7, 22, 23, 8, 9, 71, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 74, 75, 14, 15, 16, 17, 76, 0, 77, 78, 79, 18, 19, 0, 20, 0, 21, 6, 7, 22, 23, 8, 9, 71, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 74, 0, 14, 15, 16, 17, 0, 0, 77, 78, 79, 18, 19, 0, 20, 0, 21, 6, 7, 22, 23, 8, 9, 219, 0, 0, 220, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 221, 222, 223, 14, 15, 16, 17, 224, 268, 0, 0, 0, 18, 19, 0, 20, 0, 171, 6, 7, 22, 52, 8, 9, 71, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 0, 0, 14, 15, 16, 17, 0, 0, 77, 78, 79, 18, 19, 0, 20, 0, 21, 6, 7, 22, 23, 8, 9, 219, 0, 0, 220, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 221, 222, 223, 14, 15, 16, 17, 224, 0, 0, 0, 0, 18, 19, 0, 20, 0, 171, 6, 7, 22, 52, 8, 9, 219, 0, 0, 220, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 221, 222, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 171, 6, 7, 22, 52, 8, 9, 219, 0, 0, 220, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 0, 0, 8, 9, 0, 0, 0, 170, 221, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 171, 13, 0, 22, 52, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 21, 6, 205, 22, 23, 8, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 0, 0, 8, 9, 0, 0, 0, 13, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 21, 170, 0, 22, 23, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 171, 6, 7, 22, 52, 8, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 0, 0, 8, 9, 0, 0, 0, 0, 0, 0, 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 51, 0, 0, 22, 52, 14, 15, 16, 17, 0, 0, 0, 0, 7, 18, 19, 8, 9, 71, 51, 0,-32768, 22, 52, 0, 0, 0, 0, 7, 0, 0, 8, 9,-32768, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 15, 0, 0, 0, 0, 77, 78, 79, 18, 19, 0, 20, 0, 21, 14, 15, 22, 23, 0, 0,-32768,-32768,-32768, 18, 19, 0, 20, 0, 21, 0, 7, 22, 23, 8, 9, 219, 0, 0,-32768, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 15, 0, 0, 0, 0, 0, 0, 0, 18, 19, 0, 20, 0, 171, 0, 0, 22, 52 }; static const short yycheck[] = { 3, 1, 31, 155, 23, 1, 106, 159, 1, 1, 10, 111, 4, 13, 68, 4, 32, 36, 144, 10, 23, 53, 25, 11, 1, 108, 1, 1, 35, 36, 13, 34, 35, 36, 13, 135, 46, 47, 48, 55, 28, 51, 42, 43, 170, 1, 49, 50, 4, 52, 13, 42, 43, 13, 3, 4, 55, 111, 54, 59, 60, 54, 54, 52, 60, 68, 11, 60, 71, 72, 57, 74, 75, 76, 77, 78, 59, 54, 51, 82, 180, 56, 56, 60, 53, 60, 60, 13, 14, 15, 35, 36, 18, 19, 11, 21, 22, 57, 53, 59, 41, 104, 5, 106, 4, 53, 28, 31, 111, 49, 50, 99, 100, 4, 266, 53, 38, 53, 35, 36, 42, 54, 110, 53, 59, 51, 278, 130, 24, 25, 133, 47, 135, 32, 217, 218, 219, 220, 4, 222, 223, 224, 55, 21, 4, 41, 175, 53, 4, 18, 153, 154, 155, 172, 157, 158, 159, 83, 84, 85, 86, 87, 88, 0, 18, 19, 0, 21, 22, 172, 25, 210, 242, 256, 162, 163, -1, 180, 168, -1, -1, 3, 108, 202, 80, 268, 44, 45, 46, 47, 48, -1, -1, 51, 197, -1, -1, 51, 124, 202, -1, 97, 231, 25, -1, 27, 28, -1, -1, 105, 213, 214, 215, 201, -1, -1, 38, 113, 144, -1, 42, -1, 21, -1, -1, -1, -1, -1, 216, 83, 84, 85, 86, 87, 88, -1, -1, 240, -1, -1, -1, -1, -1, -1, 170, 171, -1, -1, -1, -1, 176, -1, -1, -1, 108, -1, -1, 260, -1, 262, 263, -1, -1, 266, -1, -1, -1, -1, -1, -1, 124, -1, -1, 261, -1, 278, -1, -1, -1, 267, -1, 284, -1, -1, 287, -1, -1, -1, 291, -1, 293, 217, 218, 219, 220, -1, 222, 223, 224, 225, -1, -1, -1, -1, 4, -1, -1, 7, 8, 108, -1, -1, -1, -1, -1, -1, -1, 171, -1, -1, -1, 247, 176, 249, 250, 251, -1, 253, 254, 255, 256, 106, -1, -1, -1, 35, 36, -1, 234, 10, 11, 237, 268, 269, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, -1, 281, -1, 28, -1, -1, 135, 257, -1, 217, 218, 219, 220, -1, 222, 223, 224, 225, 171, 10, 11, -1, -1, 176, -1, -1, 61, 277, -1, 158, -1, -1, 282, 283, -1, -1, 286, 28, -1, 247, 290, 249, 250, 251, -1, 253, 254, 255, 256, -1, -1, 180, -1, -1, -1, -1, -1, -1, -1, -1, 268, 269, -1, -1, 217, 218, 219, 220, -1, 222, 223, 224, 225, 281, 99, 100, -1, -1, -1, 114, -1, -1, -1, -1, -1, 110, -1, 112, -1, -1, -1, 126, 127, -1, 247, -1, 249, 250, 251, -1, 253, 254, 255, 256, -1, -1, -1, -1, 99, 100, -1, -1, -1, -1, -1, 268, 269, -1, -1, 110, -1, -1, -1, -1, -1, -1, -1, -1, 281, -1, -1, 260, -1, 262, -1, -1, -1, 162, 163, -1, -1, -1, -1, 168, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 284, -1, -1, 287, -1, -1, -1, 291, -1, 293, 200, -1, -1, 203, -1, -1, 162, 163, -1, -1, -1, 201, 212, -1, -1, -1, 206, -1, -1, -1, -1, 0, 1, -1, 3, 4, 216, -1, 7, 8, 230, -1, -1, -1, 13, -1, 15, 16, -1, -1, -1, -1, -1, -1, -1, 201, -1, -1, -1, -1, 240, 30, 31, -1, -1, -1, 35, 36, 37, 38, 216, -1, -1, -1, 264, 44, 45, -1, 47, -1, 49, 261, -1, 52, 53, 265, 276, 267, 57, 279, -1, -1, -1, -1, -1, 285, -1, -1, -1, -1, -1, -1, -1, -1, 1, -1, 3, 4, -1, -1, 7, 8, -1, -1, -1, 261, -1, -1, -1, -1, 17, 267, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, 1, 49, 3, 4, 52, 53, 7, 8, -1, 57, 58, 59, -1, -1, -1, -1, 17, -1, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, 1, 49, 3, 4, 52, 53, 7, 8, -1, 57, 58, 59, -1, -1, -1, -1, 17, -1, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, -1, -1, -1, 57, 1, 59, 3, 4, -1, -1, 7, 8, -1, 10, -1, -1, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, -1, -1, 7, 8, 9, -1, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, 42, 43, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, 35, 36, 3, 4, -1, 59, 7, 8, 9, 44, 45, 12, 47, -1, 49, -1, -1, 52, 53, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, -1, -1, -1, -1, 60, -1, -1, -1, 17, -1, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, -1, -1, -1, 57, -1, 59, 3, 4, -1, -1, 7, 8, 9, -1, -1, 12, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, -1, -1, 7, 8, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, 35, 36, 3, 4, -1, 59, 7, 8, 9, 44, 45, 12, 47, -1, 49, -1, -1, 52, 53, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, 41, 42, 43, 44, 45, -1, 47, 1, 49, 3, 4, 52, 53, 7, 8, -1, -1, -1, 59, -1, -1, 15, 16, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 4, 30, 31, 7, 8, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, -1, -1, 31, 57, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, 1, 49, 3, 4, 52, 53, 7, 8, -1, -1, -1, 59, -1, -1, -1, -1, -1, -1, -1, -1, 1, -1, 3, 4, -1, -1, 7, 8, -1, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, -1, 31, 52, 53, 54, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, 1, 49, 3, 4, 52, 53, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, -1, 3, 4, -1, -1, 7, 8, -1, -1, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 31, -1, 52, 53, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, 54, 3, 4, -1, -1, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, -1, 35, 36, 37, 38, -1, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, -1, -1, -1, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, -1, -1, 35, 36, 37, 38, -1, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 31, 32, 33, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 4, -1, -1, 7, 8, -1, -1, -1, 31, 32, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 31, -1, 52, 53, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 4, -1, -1, 7, 8, -1, -1, -1, 31, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 31, -1, 52, 53, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, 3, 4, 52, 53, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 4, -1, -1, 7, 8, -1, -1, -1, -1, -1, -1, -1, 35, 36, 37, 38, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53, 35, 36, 37, 38, -1, -1, -1, -1, 4, 44, 45, 7, 8, 9, 49, -1, 12, 52, 53, -1, -1, -1, -1, 4, -1, -1, 7, 8, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 35, 36, -1, -1, -1, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, 35, 36, 52, 53, -1, -1, 41, 42, 43, 44, 45, -1, 47, -1, 49, -1, 4, 52, 53, 7, 8, 9, -1, -1, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 35, 36, -1, -1, -1, -1, -1, -1, -1, 44, 45, -1, 47, -1, 49, -1, -1, 52, 53 }; #define YYPURE 1 /* -*-C-*- Note some compilers choke on comments on `#line' lines. */ #line 3 "bison.simple" /* Skeleton output parser for bison, Copyright (C) 1984 Bob Corbett and Richard Stallman This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) #include <alloca.h> #endif /* This is the parser code that is written into each bison parser when the %semantic_parser declaration is not specified in the grammar. It was written by Richard Stallman by simplifying the hairy parser used when %semantic_parser is specified. */ /* Note: there must be only one dollar sign in this file. It is replaced by the list of actions, each action as one case of the switch. */ #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) #define YYEMPTY -2 #define YYEOF 0 #define YYFAIL goto yyerrlab; #define YYACCEPT return(0) #define YYABORT return(1) #define YYERROR goto yyerrlab #define YYTERROR 1 #define YYERRCODE 256 #ifndef YYIMPURE #define YYLEX yylex() #endif #ifndef YYPURE #define YYLEX yylex(&yylval, &yylloc) #endif /* If nonreentrant, generate the variables here */ #ifndef YYIMPURE int yychar; /* the lookahead symbol */ YYSTYPE yylval; /* the semantic value of the */ /* lookahead symbol */ YYLTYPE yylloc; /* location data for the lookahead */ /* symbol */ int yynerrs; /* number of parse errors so far */ #endif /* YYIMPURE */ #if YYDEBUG != 0 int yydebug; /* nonzero means print parse trace */ /* Since this is uninitialized, it does not stop multiple parsers from coexisting. */ #endif /* YYMAXDEPTH indicates the initial size of the parser's stacks */ #ifndef YYMAXDEPTH #define YYMAXDEPTH 200 #endif /* YYMAXLIMIT is the maximum size the stacks can grow to (effective only if the built-in stack extension method is used). */ #ifndef YYMAXLIMIT #define YYMAXLIMIT 10000 #endif #line 90 "bison.simple" int yyparse() { register int yystate; register int yyn; register short *yyssp; register YYSTYPE *yyvsp; YYLTYPE *yylsp; int yyerrstatus; /* number of tokens to shift before error messages enabled */ int yychar1; /* lookahead token as an internal (translated) token number */ short yyssa[YYMAXDEPTH]; /* the state stack */ YYSTYPE yyvsa[YYMAXDEPTH]; /* the semantic value stack */ YYLTYPE yylsa[YYMAXDEPTH]; /* the location stack */ short *yyss = yyssa; /* refer to the stacks thru separate pointers */ YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */ YYLTYPE *yyls = yylsa; int yymaxdepth = YYMAXDEPTH; #ifndef YYPURE int yychar; YYSTYPE yylval; YYLTYPE yylloc; int yynerrs; #endif YYSTYPE yyval; /* the variable used to return */ /* semantic values from the action */ /* routines */ int yylen; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Starting parse\n"); #endif yystate = 0; yyerrstatus = 0; yynerrs = 0; yychar = YYEMPTY; /* Cause a token to be read. */ /* Initialize stack pointers. Waste one element of value and location stack so that they stay on the same level as the state stack. */ yyssp = yyss - 1; yyvsp = yyvs; yylsp = yyls; /* Push a new state, which is found in yystate . */ /* In all cases, when you get here, the value and location stacks have just been pushed. so pushing a state here evens the stacks. */ yynewstate: *++yyssp = yystate; if (yyssp >= yyss + yymaxdepth - 1) { /* Give user a chance to reallocate the stack */ /* Use copies of these so that the &'s don't force the real ones into memory. */ YYSTYPE *yyvs1 = yyvs; YYLTYPE *yyls1 = yyls; short *yyss1 = yyss; /* Get the current used size of the three stacks, in elements. */ int size = yyssp - yyss + 1; #ifdef yyoverflow /* Each stack pointer address is followed by the size of the data in use in that stack, in bytes. */ yyoverflow("parser stack overflow", &yyss1, size * sizeof (*yyssp), &yyvs1, size * sizeof (*yyvsp), &yyls1, size * sizeof (*yylsp), &yymaxdepth); yyss = yyss1; yyvs = yyvs1; yyls = yyls1; #else /* no yyoverflow */ /* Extend the stack our own way. */ if (yymaxdepth >= YYMAXLIMIT) yyerror("parser stack overflow"); yymaxdepth *= 2; if (yymaxdepth > YYMAXLIMIT) yymaxdepth = YYMAXLIMIT; yyss = (short *) alloca (yymaxdepth * sizeof (*yyssp)); bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp)); yyvs = (YYSTYPE *) alloca (yymaxdepth * sizeof (*yyvsp)); bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp)); #ifdef YYLSP_NEEDED yyls = (YYLTYPE *) alloca (yymaxdepth * sizeof (*yylsp)); bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp)); #endif #endif /* no yyoverflow */ yyssp = yyss + size - 1; yyvsp = yyvs + size - 1; #ifdef YYLSP_NEEDED yylsp = yyls + size - 1; #endif #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Stack size increased to %d\n", yymaxdepth); #endif if (yyssp >= yyss + yymaxdepth - 1) YYABORT; } #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Entering state %d\n", yystate); #endif /* Do appropriate processing given the current state. */ /* Read a lookahead token if we need one and don't already have one. */ yyresume: /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; if (yyn == YYFLAG) goto yydefault; /* Not known => get a lookahead token if don't already have one. */ /* yychar is either YYEMPTY or YYEOF or a valid token in external form. */ if (yychar == YYEMPTY) { #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Reading a token: "); #endif yychar = YYLEX; } /* Convert token to internal form (in yychar1) for indexing tables with */ if (yychar <= 0) /* This means end of input. */ { yychar1 = 0; yychar = YYEOF; /* Don't call YYLEX any more */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Now at end of input.\n"); #endif } else { yychar1 = YYTRANSLATE(yychar); #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Next token is %d (%s)\n", yychar, yytname[yychar1]); #endif } yyn += yychar1; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) goto yydefault; yyn = yytable[yyn]; /* yyn is what to do for this token type in this state. Negative => reduce, -yyn is rule number. Positive => shift, yyn is new state. New state is final state => don't bother to shift, just return success. 0, or most negative number => error. */ if (yyn < 0) { if (yyn == YYFLAG) goto yyerrlab; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrlab; if (yyn == YYFINAL) YYACCEPT; /* Shift the lookahead token. */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]); #endif /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) yychar = YYEMPTY; *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif /* count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; yystate = yyn; goto yynewstate; /* Do the default action for the current state. */ yydefault: yyn = yydefact[yystate]; if (yyn == 0) goto yyerrlab; /* Do a reduction. yyn is the number of a rule to reduce with. */ yyreduce: yylen = yyr2[yyn]; yyval = yyvsp[1-yylen]; /* implement default value of the action */ #if YYDEBUG != 0 if (yydebug) { if (yylen == 1) fprintf (stderr, "Reducing 1 value via line %d, ", yyrline[yyn]); else fprintf (stderr, "Reducing %d values via line %d, ", yylen, yyrline[yyn]); } #endif switch (yyn) { case 1: #line 137 "awk.y" { expression_value = yyvsp[-1].nodeval; ; break;} case 2: #line 142 "awk.y" { if (yyvsp[0].nodeval != NULL) yyval.nodeval = yyvsp[0].nodeval; else yyval.nodeval = NULL; yyerrok; ; break;} case 3: #line 151 "awk.y" { if (yyvsp[0].nodeval == NULL) yyval.nodeval = yyvsp[-1].nodeval; else if (yyvsp[-1].nodeval == NULL) yyval.nodeval = yyvsp[0].nodeval; else { if (yyvsp[-1].nodeval->type != Node_rule_list) yyvsp[-1].nodeval = node(yyvsp[-1].nodeval, Node_rule_list, (NODE*)NULL); yyval.nodeval = append_right (yyvsp[-1].nodeval, node(yyvsp[0].nodeval, Node_rule_list,(NODE *) NULL)); } yyerrok; ; break;} case 4: #line 165 "awk.y" { yyval.nodeval = NULL; ; break;} case 5: #line 166 "awk.y" { yyval.nodeval = NULL; ; break;} case 6: #line 170 "awk.y" { io_allowed = 0; ; break;} case 7: #line 172 "awk.y" { if (begin_block) { if (begin_block->type != Node_rule_list) begin_block = node(begin_block, Node_rule_list, (NODE *)NULL); append_right (begin_block, node( node((NODE *)NULL, Node_rule_node, yyvsp[0].nodeval), Node_rule_list, (NODE *)NULL) ); } else begin_block = node((NODE *)NULL, Node_rule_node, yyvsp[0].nodeval); yyval.nodeval = NULL; io_allowed = 1; yyerrok; ; break;} case 8: #line 186 "awk.y" { io_allowed = 0; ; break;} case 9: #line 188 "awk.y" { if (end_block) { if (end_block->type != Node_rule_list) end_block = node(end_block, Node_rule_list, (NODE *)NULL); append_right (end_block, node( node((NODE *)NULL, Node_rule_node, yyvsp[0].nodeval), Node_rule_list, (NODE *)NULL)); } else end_block = node((NODE *)NULL, Node_rule_node, yyvsp[0].nodeval); yyval.nodeval = NULL; io_allowed = 1; yyerrok; ; break;} case 10: #line 203 "awk.y" { msg ("error near line %d: BEGIN blocks must have an action part", lineno); errcount++; yyerrok; ; break;} case 11: #line 209 "awk.y" { msg ("error near line %d: END blocks must have an action part", lineno); errcount++; yyerrok; ; break;} case 12: #line 215 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_rule_node, yyvsp[0].nodeval); yyerrok; ; break;} case 13: #line 217 "awk.y" { yyval.nodeval = node ((NODE *)NULL, Node_rule_node, yyvsp[0].nodeval); yyerrok; ; break;} case 14: #line 219 "awk.y" { if(yyvsp[-1].nodeval) yyval.nodeval = node (yyvsp[-1].nodeval, Node_rule_node, (NODE *)NULL); yyerrok; ; break;} case 15: #line 221 "awk.y" { func_install(yyvsp[-1].nodeval, yyvsp[0].nodeval); yyval.nodeval = NULL; yyerrok; ; break;} case 16: #line 230 "awk.y" { yyval.sval = yyvsp[0].sval; ; break;} case 17: #line 232 "awk.y" { yyval.sval = yyvsp[0].sval; ; break;} case 18: #line 237 "awk.y" { param_counter = 0; ; break;} case 19: #line 241 "awk.y" { yyval.nodeval = append_right(make_param(yyvsp[-4].sval), yyvsp[-2].nodeval); can_return = 1; ; break;} case 20: #line 249 "awk.y" { yyval.nodeval = yyvsp[-1].nodeval; can_return = 0; ; break;} case 21: #line 258 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 22: #line 260 "awk.y" { yyval.nodeval = mkrangenode ( node(yyvsp[-2].nodeval, Node_cond_pair, yyvsp[0].nodeval) ); ; break;} case 23: #line 269 "awk.y" { ++want_regexp; ; break;} case 24: #line 271 "awk.y" { want_regexp = 0; yyval.nodeval = node((NODE *)NULL,Node_regex,(NODE *)mk_re_parse(yyvsp[-1].sval, 0)); yyval.nodeval -> re_case = 0; emalloc (yyval.nodeval -> re_text, char *, strlen(yyvsp[-1].sval)+1, "regexp"); strcpy (yyval.nodeval -> re_text, yyvsp[-1].sval); ; break;} case 25: #line 282 "awk.y" { /* empty actions are different from missing actions */ yyval.nodeval = node ((NODE *) NULL, Node_illegal, (NODE *) NULL); ; break;} case 26: #line 287 "awk.y" { yyval.nodeval = yyvsp[-2].nodeval ; ; break;} case 27: #line 292 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 28: #line 294 "awk.y" { if (yyvsp[-1].nodeval == NULL || yyvsp[-1].nodeval->type != Node_statement_list) yyvsp[-1].nodeval = node(yyvsp[-1].nodeval, Node_statement_list,(NODE *)NULL); yyval.nodeval = append_right(yyvsp[-1].nodeval, node( yyvsp[0].nodeval, Node_statement_list, (NODE *)NULL)); yyerrok; ; break;} case 29: #line 302 "awk.y" { yyval.nodeval = NULL; ; break;} case 30: #line 304 "awk.y" { yyval.nodeval = NULL; ; break;} case 31: #line 309 "awk.y" { yyval.nodetypeval = Node_illegal; ; break;} case 32: #line 311 "awk.y" { yyval.nodetypeval = Node_illegal; ; break;} case 33: #line 317 "awk.y" { yyval.nodeval = NULL; ; break;} case 34: #line 319 "awk.y" { yyval.nodeval = NULL; ; break;} case 35: #line 321 "awk.y" { yyval.nodeval = yyvsp[-1].nodeval; ; break;} case 36: #line 323 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 37: #line 325 "awk.y" { yyval.nodeval = node (yyvsp[-3].nodeval, Node_K_while, yyvsp[0].nodeval); ; break;} case 38: #line 327 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_K_do, yyvsp[-5].nodeval); ; break;} case 39: #line 329 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_K_arrayfor, make_for_loop(variable(yyvsp[-5].sval), (NODE *)NULL, variable(yyvsp[-3].sval))); ; break;} case 40: #line 334 "awk.y" { yyval.nodeval = node(yyvsp[0].nodeval, Node_K_for, (NODE *)make_for_loop(yyvsp[-7].nodeval, yyvsp[-5].nodeval, yyvsp[-3].nodeval)); ; break;} case 41: #line 338 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_K_for, (NODE *)make_for_loop(yyvsp[-6].nodeval, (NODE *)NULL, yyvsp[-3].nodeval)); ; break;} case 42: #line 344 "awk.y" { yyval.nodeval = node ((NODE *)NULL, Node_K_break, (NODE *)NULL); ; break;} case 43: #line 347 "awk.y" { yyval.nodeval = node ((NODE *)NULL, Node_K_continue, (NODE *)NULL); ; break;} case 44: #line 349 "awk.y" { yyval.nodeval = node (yyvsp[-3].nodeval, yyvsp[-5].nodetypeval, yyvsp[-1].nodeval); ; break;} case 45: #line 351 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, yyvsp[-3].nodetypeval, yyvsp[-1].nodeval); ; break;} case 46: #line 353 "awk.y" { if (! io_allowed) yyerror("next used in BEGIN or END action"); ; break;} case 47: #line 355 "awk.y" { yyval.nodeval = node ((NODE *)NULL, Node_K_next, (NODE *)NULL); ; break;} case 48: #line 357 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_K_exit, (NODE *)NULL); ; break;} case 49: #line 359 "awk.y" { if (! can_return) yyerror("return used outside function context"); ; break;} case 50: #line 361 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_K_return, (NODE *)NULL); ; break;} case 51: #line 363 "awk.y" { yyval.nodeval = node (variable(yyvsp[-4].sval), Node_K_delete, yyvsp[-2].nodeval); ; break;} case 52: #line 365 "awk.y" { yyval.nodeval = yyvsp[-1].nodeval; ; break;} case 53: #line 370 "awk.y" { yyval.nodetypeval = yyvsp[0].nodetypeval; ; break;} case 54: #line 372 "awk.y" { yyval.nodetypeval = yyvsp[0].nodetypeval; ; break;} case 55: #line 377 "awk.y" { yyval.nodeval = node(yyvsp[-3].nodeval, Node_K_if, node(yyvsp[0].nodeval, Node_if_branches, (NODE *)NULL)); ; break;} case 56: #line 383 "awk.y" { yyval.nodeval = node (yyvsp[-6].nodeval, Node_K_if, node (yyvsp[-3].nodeval, Node_if_branches, yyvsp[0].nodeval)); ; break;} case 57: #line 389 "awk.y" { yyval.nodetypeval = NULL; ; break;} case 58: #line 391 "awk.y" { yyval.nodetypeval = NULL; ; break;} case 59: #line 396 "awk.y" { yyval.nodetypeval = NULL; ; break;} case 60: #line 398 "awk.y" { yyval.nodetypeval = NULL; ; break;} case 61: #line 403 "awk.y" { yyval.nodeval = NULL; ; break;} case 62: #line 405 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_input, (NODE *)NULL); ; break;} case 63: #line 410 "awk.y" { yyval.nodeval = NULL; ; break;} case 64: #line 412 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_output, (NODE *)NULL); ; break;} case 65: #line 414 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_append, (NODE *)NULL); ; break;} case 66: #line 416 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_pipe, (NODE *)NULL); ; break;} case 67: #line 421 "awk.y" { yyval.nodeval = NULL; ; break;} case 68: #line 423 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 69: #line 428 "awk.y" { yyval.nodeval = make_param(yyvsp[0].sval); ; break;} case 70: #line 430 "awk.y" { yyval.nodeval = append_right(yyvsp[-2].nodeval, make_param(yyvsp[0].sval)); yyerrok; ; break;} case 71: #line 432 "awk.y" { yyval.nodeval = NULL; ; break;} case 72: #line 434 "awk.y" { yyval.nodeval = NULL; ; break;} case 73: #line 436 "awk.y" { yyval.nodeval = NULL; ; break;} case 74: #line 442 "awk.y" { yyval.nodeval = NULL; ; break;} case 75: #line 444 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 76: #line 449 "awk.y" { yyval.nodeval = NULL; ; break;} case 77: #line 451 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 78: #line 456 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL); ; break;} case 79: #line 458 "awk.y" { yyval.nodeval = append_right(yyvsp[-2].nodeval, node( yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL)); yyerrok; ; break;} case 80: #line 464 "awk.y" { yyval.nodeval = NULL; ; break;} case 81: #line 466 "awk.y" { yyval.nodeval = NULL; ; break;} case 82: #line 468 "awk.y" { yyval.nodeval = NULL; ; break;} case 83: #line 470 "awk.y" { yyval.nodeval = NULL; ; break;} case 84: #line 475 "awk.y" { yyval.nodeval = NULL; ; break;} case 85: #line 477 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 86: #line 482 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL); ; break;} case 87: #line 484 "awk.y" { yyval.nodeval = append_right(yyvsp[-2].nodeval, node( yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL)); yyerrok; ; break;} case 88: #line 490 "awk.y" { yyval.nodeval = NULL; ; break;} case 89: #line 492 "awk.y" { yyval.nodeval = NULL; ; break;} case 90: #line 494 "awk.y" { yyval.nodeval = NULL; ; break;} case 91: #line 496 "awk.y" { yyval.nodeval = NULL; ; break;} case 92: #line 501 "awk.y" { want_assign = 0; ; break;} case 93: #line 503 "awk.y" { yyval.nodeval = node (yyvsp[-3].nodeval, yyvsp[-2].nodetypeval, yyvsp[0].nodeval); ; break;} case 94: #line 505 "awk.y" { yyval.nodeval = node (variable(yyvsp[0].sval), Node_in_array, yyvsp[-3].nodeval); ; break;} case 95: #line 507 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_K_getline, node (yyvsp[-3].nodeval, Node_redirect_pipein, (NODE *)NULL)); ; break;} case 96: #line 512 "awk.y" { /* "too painful to do right" */ /* if (! io_allowed && $3 == NULL) yyerror("non-redirected getline illegal inside BEGIN or END action"); */ yyval.nodeval = node (yyvsp[-1].nodeval, Node_K_getline, yyvsp[0].nodeval); ; break;} case 97: #line 521 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_and, yyvsp[0].nodeval); ; break;} case 98: #line 523 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_or, yyvsp[0].nodeval); ; break;} case 99: #line 525 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, yyvsp[0].nodeval); ; break;} case 100: #line 527 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 101: #line 529 "awk.y" { yyval.nodeval = node((NODE *) NULL, Node_nomatch, yyvsp[0].nodeval); ; break;} case 102: #line 531 "awk.y" { yyval.nodeval = node (variable(yyvsp[0].sval), Node_in_array, yyvsp[-2].nodeval); ; break;} case 103: #line 533 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, yyvsp[0].nodeval); ; break;} case 104: #line 535 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_less, yyvsp[0].nodeval); ; break;} case 105: #line 537 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_greater, yyvsp[0].nodeval); ; break;} case 106: #line 539 "awk.y" { yyval.nodeval = node(yyvsp[-4].nodeval, Node_cond_exp, node(yyvsp[-2].nodeval, Node_if_branches, yyvsp[0].nodeval));; break;} case 107: #line 541 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 108: #line 543 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_concat, yyvsp[0].nodeval); ; break;} case 109: #line 548 "awk.y" { want_assign = 0; ; break;} case 110: #line 550 "awk.y" { yyval.nodeval = node (yyvsp[-3].nodeval, yyvsp[-2].nodetypeval, yyvsp[0].nodeval); ; break;} case 111: #line 552 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_and, yyvsp[0].nodeval); ; break;} case 112: #line 554 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_or, yyvsp[0].nodeval); ; break;} case 113: #line 556 "awk.y" { /* "too painful to do right" */ /* if (! io_allowed && $3 == NULL) yyerror("non-redirected getline illegal inside BEGIN or END action"); */ yyval.nodeval = node (yyvsp[-1].nodeval, Node_K_getline, yyvsp[0].nodeval); ; break;} case 114: #line 565 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 115: #line 567 "awk.y" { yyval.nodeval = node((NODE *) NULL, Node_nomatch, yyvsp[0].nodeval); ; break;} case 116: #line 569 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, yyvsp[0].nodeval); ; break;} case 117: #line 571 "awk.y" { yyval.nodeval = node (variable(yyvsp[0].sval), Node_in_array, yyvsp[-2].nodeval); ; break;} case 118: #line 573 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, yyvsp[0].nodeval); ; break;} case 119: #line 575 "awk.y" { yyval.nodeval = node(yyvsp[-4].nodeval, Node_cond_exp, node(yyvsp[-2].nodeval, Node_if_branches, yyvsp[0].nodeval));; break;} case 120: #line 577 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 121: #line 579 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_concat, yyvsp[0].nodeval); ; break;} case 122: #line 584 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_not,(NODE *) NULL); ; break;} case 123: #line 586 "awk.y" { yyval.nodeval = yyvsp[-1].nodeval; ; break;} case 124: #line 588 "awk.y" { yyval.nodeval = snode (yyvsp[-1].nodeval, Node_builtin, yyvsp[-3].ptrval); ; break;} case 125: #line 590 "awk.y" { yyval.nodeval = snode (yyvsp[-1].nodeval, Node_builtin, yyvsp[-3].ptrval); ; break;} case 126: #line 592 "awk.y" { yyval.nodeval = snode ((NODE *)NULL, Node_builtin, yyvsp[0].ptrval); ; break;} case 127: #line 594 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_func_call, make_string(yyvsp[-3].sval, strlen(yyvsp[-3].sval))); ; break;} case 128: #line 598 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_preincrement, (NODE *)NULL); ; break;} case 129: #line 600 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_predecrement, (NODE *)NULL); ; break;} case 130: #line 602 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_postincrement, (NODE *)NULL); ; break;} case 131: #line 604 "awk.y" { yyval.nodeval = node (yyvsp[-1].nodeval, Node_postdecrement, (NODE *)NULL); ; break;} case 132: #line 606 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 133: #line 608 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 134: #line 610 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 135: #line 614 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_exp, yyvsp[0].nodeval); ; break;} case 136: #line 616 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_times, yyvsp[0].nodeval); ; break;} case 137: #line 618 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_quotient, yyvsp[0].nodeval); ; break;} case 138: #line 620 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_mod, yyvsp[0].nodeval); ; break;} case 139: #line 622 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_plus, yyvsp[0].nodeval); ; break;} case 140: #line 624 "awk.y" { yyval.nodeval = node (yyvsp[-2].nodeval, Node_minus, yyvsp[0].nodeval); ; break;} case 141: #line 626 "awk.y" { yyval.nodeval = node (yyvsp[0].nodeval, Node_unary_minus, (NODE *)NULL); ; break;} case 142: #line 628 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 143: #line 633 "awk.y" { yyval.nodeval = NULL; ; break;} case 144: #line 635 "awk.y" { yyval.nodeval = yyvsp[0].nodeval; ; break;} case 145: #line 640 "awk.y" { want_assign = 1; yyval.nodeval = variable (yyvsp[0].sval); ; break;} case 146: #line 642 "awk.y" { want_assign = 1; yyval.nodeval = node (variable(yyvsp[-3].sval), Node_subscript, yyvsp[-1].nodeval); ; break;} case 147: #line 644 "awk.y" { want_assign = 1; yyval.nodeval = node (yyvsp[0].nodeval, Node_field_spec, (NODE *)NULL); ; break;} case 149: #line 652 "awk.y" { yyerrok; ; break;} case 150: #line 656 "awk.y" { yyval.nodetypeval = Node_illegal; yyerrok; ; break;} case 153: #line 665 "awk.y" { yyerrok; ; break;} case 154: #line 668 "awk.y" { yyval.nodetypeval = Node_illegal; yyerrok; ; break;} } /* the action file gets copied in in place of this dollarsign */ #line 327 "bison.simple" yyvsp -= yylen; yyssp -= yylen; #ifdef YYLSP_NEEDED yylsp -= yylen; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif *++yyvsp = yyval; #ifdef YYLSP_NEEDED yylsp++; if (yylen == 0) { yylsp->first_line = yylloc.first_line; yylsp->first_column = yylloc.first_column; yylsp->last_line = (yylsp-1)->last_line; yylsp->last_column = (yylsp-1)->last_column; yylsp->text = 0; } else { yylsp->last_line = (yylsp+yylen-1)->last_line; yylsp->last_column = (yylsp+yylen-1)->last_column; } #endif /* Now "shift" the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule number reduced by. */ yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTBASE] + *yyssp; if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTBASE]; goto yynewstate; yyerrlab: /* here on detecting error */ if (! yyerrstatus) /* If not already recovering from an error, report this error. */ { ++yynerrs; yyerror("parse error"); } if (yyerrstatus == 3) { /* if just tried and failed to reuse lookahead token after an error, discard it. */ /* return failure if at end of input */ if (yychar == YYEOF) YYABORT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]); #endif yychar = YYEMPTY; } /* Else will try to reuse lookahead token after shifting the error token. */ yyerrstatus = 3; /* Each real token shifted decrements this */ goto yyerrhandle; yyerrdefault: /* current state does not do anything special for the error token. */ #if 0 /* This is wrong; only states that explicitly want error tokens should shift them. */ yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/ if (yyn) goto yydefault; #endif yyerrpop: /* pop the current state because it cannot handle the error token */ if (yyssp == yyss) YYABORT; yyvsp--; yystate = *--yyssp; #ifdef YYLSP_NEEDED yylsp--; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "Error: state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif yyerrhandle: yyn = yypact[yystate]; if (yyn == YYFLAG) goto yyerrdefault; yyn += YYTERROR; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) goto yyerrdefault; yyn = yytable[yyn]; if (yyn < 0) { if (yyn == YYFLAG) goto yyerrpop; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrpop; if (yyn == YYFINAL) YYACCEPT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting error token, "); #endif *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif yystate = yyn; goto yynewstate; } #line 671 "awk.y" struct token { char *operator; /* text to match */ NODETYPE value; /* node type */ int class; /* lexical class */ short nostrict; /* ignore if in strict compatibility mode */ NODE *(*ptr) (); /* function that implements this keyword */ }; extern NODE *do_exp(), *do_getline(), *do_index(), *do_length(), *do_sqrt(), *do_log(), *do_sprintf(), *do_substr(), *do_split(), *do_system(), *do_int(), *do_close(), *do_atan2(), *do_sin(), *do_cos(), *do_rand(), *do_srand(), *do_match(), *do_tolower(), *do_toupper(), *do_sub(), *do_gsub(); /* Special functions for debugging */ #ifdef DEBUG NODE *do_prvars(), *do_bp(); #endif /* Tokentab is sorted ascii ascending order, so it can be binary searched. */ static struct token tokentab[] = { { "BEGIN", Node_illegal, LEX_BEGIN, 0, 0 }, { "END", Node_illegal, LEX_END, 0, 0 }, { "atan2", Node_builtin, LEX_BUILTIN, 0, do_atan2 }, #ifdef DEBUG { "bp", Node_builtin, LEX_BUILTIN, 0, do_bp }, #endif { "break", Node_K_break, LEX_BREAK, 0, 0 }, { "close", Node_builtin, LEX_BUILTIN, 0, do_close }, { "continue", Node_K_continue, LEX_CONTINUE, 0, 0 }, { "cos", Node_builtin, LEX_BUILTIN, 0, do_cos }, { "delete", Node_K_delete, LEX_DELETE, 0, 0 }, { "do", Node_K_do, LEX_DO, 0, 0 }, { "else", Node_illegal, LEX_ELSE, 0, 0 }, { "exit", Node_K_exit, LEX_EXIT, 0, 0 }, { "exp", Node_builtin, LEX_BUILTIN, 0, do_exp }, { "for", Node_K_for, LEX_FOR, 0, 0 }, { "func", Node_K_function, LEX_FUNCTION, 0, 0 }, { "function", Node_K_function, LEX_FUNCTION, 0, 0 }, { "getline", Node_K_getline, LEX_GETLINE, 0, 0 }, { "gsub", Node_builtin, LEX_BUILTIN, 0, do_gsub }, { "if", Node_K_if, LEX_IF, 0, 0 }, { "in", Node_illegal, LEX_IN, 0, 0 }, { "index", Node_builtin, LEX_BUILTIN, 0, do_index }, { "int", Node_builtin, LEX_BUILTIN, 0, do_int }, { "length", Node_builtin, LEX_LENGTH, 0, do_length }, { "log", Node_builtin, LEX_BUILTIN, 0, do_log }, { "match", Node_builtin, LEX_BUILTIN, 0, do_match }, { "next", Node_K_next, LEX_NEXT, 0, 0 }, { "print", Node_K_print, LEX_PRINT, 0, 0 }, { "printf", Node_K_printf, LEX_PRINTF, 0, 0 }, #ifdef DEBUG { "prvars", Node_builtin, LEX_BUILTIN, 0, do_prvars }, #endif { "rand", Node_builtin, LEX_BUILTIN, 0, do_rand }, { "return", Node_K_return, LEX_RETURN, 0, 0 }, { "sin", Node_builtin, LEX_BUILTIN, 0, do_sin }, { "split", Node_builtin, LEX_BUILTIN, 0, do_split }, { "sprintf", Node_builtin, LEX_BUILTIN, 0, do_sprintf }, { "sqrt", Node_builtin, LEX_BUILTIN, 0, do_sqrt }, { "srand", Node_builtin, LEX_BUILTIN, 0, do_srand }, { "sub", Node_builtin, LEX_BUILTIN, 0, do_sub }, { "substr", Node_builtin, LEX_BUILTIN, 0, do_substr }, { "system", Node_builtin, LEX_BUILTIN, 0, do_system }, { "tolower", Node_builtin, LEX_BUILTIN, 0, do_tolower }, { "toupper", Node_builtin, LEX_BUILTIN, 0, do_toupper }, { "while", Node_K_while, LEX_WHILE, 0, 0 }, }; static char *token_start; /* VARARGS0 */ static void yyerror(va_alist) va_dcl { va_list args; char *mesg; register char *ptr, *beg; char *scan; errcount++; va_start(args); mesg = va_arg(args, char *); va_end(args); /* Find the current line in the input file */ if (! lexptr) { beg = "(END OF FILE)"; ptr = beg + 13; } else { if (*lexptr == '\n' && lexptr != lexptr_begin) --lexptr; for (beg = lexptr; beg != lexptr_begin && *beg != '\n'; --beg) ; /* NL isn't guaranteed */ for (ptr = lexptr; *ptr && *ptr != '\n'; ptr++) ; if (beg != lexptr_begin) beg++; } msg("syntax error near line %d:\n%.*s", lineno, ptr - beg, beg); scan = beg; while (scan < token_start) if (*scan++ == '\t') putc('\t', stderr); else putc(' ', stderr); putc('^', stderr); putc(' ', stderr); vfprintf(stderr, mesg, args); putc('\n', stderr); exit(1); } /* * Parse a C escape sequence. STRING_PTR points to a variable containing a * pointer to the string to parse. That pointer is updated past the * characters we use. The value of the escape sequence is returned. * * A negative value means the sequence \ newline was seen, which is supposed to * be equivalent to nothing at all. * * If \ is followed by a null character, we return a negative value and leave * the string pointer pointing at the null character. * * If \ is followed by 000, we return 0 and leave the string pointer after the * zeros. A value of 0 does not mean end of string. */ int parse_escape(string_ptr) char **string_ptr; { register int c = *(*string_ptr)++; register int i; register int count = 0; switch (c) { case 'a': return BELL; case 'b': return '\b'; case 'f': return '\f'; case 'n': return '\n'; case 'r': return '\r'; case 't': return '\t'; case 'v': return '\v'; case '\n': return -2; case 0: (*string_ptr)--; return -1; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': i = c - '0'; count = 0; while (++count < 3) { if ((c = *(*string_ptr)++) >= '0' && c <= '7') { i *= 8; i += c - '0'; } else { (*string_ptr)--; break; } } return i; case 'x': i = 0; while (1) { if (isxdigit((c = *(*string_ptr)++))) { if (isdigit(c)) i += c - '0'; else if (isupper(c)) i += c - 'A' + 10; else i += c - 'a' + 10; } else { (*string_ptr)--; break; } } return i; default: return c; } } /* * Read the input and turn it into tokens. Input is now read from a file * instead of from malloc'ed memory. The main program takes a program * passed as a command line argument and writes it to a temp file. Otherwise * the file name is made available in an external variable. */ static int yylex() { register int c; register int namelen; register char *tokstart; char *tokkey; static did_newline = 0; /* the grammar insists that actions end * with newlines. This was easier than * hacking the grammar. */ int seen_e = 0; /* These are for numbers */ int seen_point = 0; int esc_seen; extern char **sourcefile; extern int tempsource, numfiles; static int file_opened = 0; static FILE *fin; static char cbuf[BUFSIZ]; int low, mid, high; #ifdef DEBUG extern int debugging; #endif if (! file_opened) { file_opened = 1; #ifdef DEBUG if (debugging) { int i; for (i = 0; i <= numfiles; i++) fprintf (stderr, "sourcefile[%d] = %s\n", i, sourcefile[i]); } #endif nextfile: if ((fin = pathopen (sourcefile[++curinfile])) == NULL) fatal("cannot open `%s' for reading (%s)", sourcefile[curinfile], strerror(errno)); *(lexptr = cbuf) = '\0'; /* * immediately unlink the tempfile so that it will * go away cleanly if we bomb. */ if (tempsource && curinfile == 0) (void) unlink (sourcefile[curinfile]); } retry: if (! *lexptr) if (fgets (cbuf, sizeof cbuf, fin) == NULL) { if (fin != NULL) fclose (fin); /* be neat and clean */ if (curinfile < numfiles) goto nextfile; return 0; } else lexptr = lexptr_begin = cbuf; if (want_regexp) { int in_brack = 0; want_regexp = 0; token_start = tokstart = lexptr; while (c = *lexptr++) { switch (c) { case '[': in_brack = 1; break; case ']': in_brack = 0; break; case '\\': if (*lexptr++ == '\0') { yyerror("unterminated regexp ends with \\"); return ERROR; } else if (lexptr[-1] == '\n') goto retry; break; case '/': /* end of the regexp */ if (in_brack) break; lexptr--; yylval.sval = tokstart; return REGEXP; case '\n': lineno++; case '\0': lexptr--; /* so error messages work */ yyerror("unterminated regexp"); return ERROR; } } } if (*lexptr == '\n') { lexptr++; lineno++; return NEWLINE; } while (*lexptr == ' ' || *lexptr == '\t') lexptr++; token_start = tokstart = lexptr; switch (c = *lexptr++) { case 0: return 0; case '\n': lineno++; return NEWLINE; case '#': /* it's a comment */ while (*lexptr != '\n' && *lexptr != '\0') lexptr++; goto retry; case '\\': if (*lexptr == '\n') { lineno++; lexptr++; goto retry; } else break; case ')': case ']': case '(': case '[': case '$': case ';': case ':': case '?': /* * set node type to ILLEGAL because the action should set it * to the right thing */ yylval.nodetypeval = Node_illegal; return c; case '{': case ',': yylval.nodetypeval = Node_illegal; return c; case '*': if (*lexptr == '=') { yylval.nodetypeval = Node_assign_times; lexptr++; return ASSIGNOP; } else if (*lexptr == '*') { /* make ** and **= aliases * for ^ and ^= */ if (lexptr[1] == '=') { yylval.nodetypeval = Node_assign_exp; lexptr += 2; return ASSIGNOP; } else { yylval.nodetypeval = Node_illegal; lexptr++; return '^'; } } yylval.nodetypeval = Node_illegal; return c; case '/': if (want_assign && *lexptr == '=') { yylval.nodetypeval = Node_assign_quotient; lexptr++; return ASSIGNOP; } yylval.nodetypeval = Node_illegal; return c; case '%': if (*lexptr == '=') { yylval.nodetypeval = Node_assign_mod; lexptr++; return ASSIGNOP; } yylval.nodetypeval = Node_illegal; return c; case '^': if (*lexptr == '=') { yylval.nodetypeval = Node_assign_exp; lexptr++; return ASSIGNOP; } yylval.nodetypeval = Node_illegal; return c; case '+': if (*lexptr == '=') { yylval.nodetypeval = Node_assign_plus; lexptr++; return ASSIGNOP; } if (*lexptr == '+') { yylval.nodetypeval = Node_illegal; lexptr++; return INCREMENT; } yylval.nodetypeval = Node_illegal; return c; case '!': if (*lexptr == '=') { yylval.nodetypeval = Node_notequal; lexptr++; return RELOP; } if (*lexptr == '~') { yylval.nodetypeval = Node_nomatch; lexptr++; return MATCHOP; } yylval.nodetypeval = Node_illegal; return c; case '<': if (*lexptr == '=') { yylval.nodetypeval = Node_leq; lexptr++; return RELOP; } yylval.nodetypeval = Node_less; return c; case '=': if (*lexptr == '=') { yylval.nodetypeval = Node_equal; lexptr++; return RELOP; } yylval.nodetypeval = Node_assign; return ASSIGNOP; case '>': if (*lexptr == '=') { yylval.nodetypeval = Node_geq; lexptr++; return RELOP; } else if (*lexptr == '>') { yylval.nodetypeval = Node_redirect_append; lexptr++; return APPEND_OP; } yylval.nodetypeval = Node_greater; return c; case '~': yylval.nodetypeval = Node_match; return MATCHOP; case '}': /* * Added did newline stuff. Easier than * hacking the grammar */ if (did_newline) { did_newline = 0; return c; } did_newline++; --lexptr; return NEWLINE; case '"': esc_seen = 0; while (*lexptr != '\0') { switch (*lexptr++) { case '\\': esc_seen = 1; if (*lexptr == '\n') yyerror("newline in string"); if (*lexptr++ != '\0') break; /* fall through */ case '\n': lexptr--; yyerror("unterminated string"); return ERROR; case '"': yylval.nodeval = make_str_node(tokstart + 1, lexptr-tokstart-2, esc_seen); yylval.nodeval->flags |= PERM; return YSTRING; } } return ERROR; case '-': if (*lexptr == '=') { yylval.nodetypeval = Node_assign_minus; lexptr++; return ASSIGNOP; } if (*lexptr == '-') { yylval.nodetypeval = Node_illegal; lexptr++; return DECREMENT; } yylval.nodetypeval = Node_illegal; return c; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': case '.': /* It's a number */ for (namelen = 0; (c = tokstart[namelen]) != '\0'; namelen++) { switch (c) { case '.': if (seen_point) goto got_number; ++seen_point; break; case 'e': case 'E': if (seen_e) goto got_number; ++seen_e; if (tokstart[namelen + 1] == '-' || tokstart[namelen + 1] == '+') namelen++; break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': break; default: goto got_number; } } got_number: lexptr = tokstart + namelen; /* yylval.nodeval = make_string(tokstart, namelen); (void) force_number(yylval.nodeval); */ yylval.nodeval = make_number(atof(tokstart)); yylval.nodeval->flags |= PERM; return NUMBER; case '&': if (*lexptr == '&') { yylval.nodetypeval = Node_and; while (c = *++lexptr) { if (c == '#') while ((c = *++lexptr) != '\n' && c != '\0') ; if (c == '\n') lineno++; else if (! isspace(c)) break; } return LEX_AND; } return ERROR; case '|': if (*lexptr == '|') { yylval.nodetypeval = Node_or; while (c = *++lexptr) { if (c == '#') while ((c = *++lexptr) != '\n' && c != '\0') ; if (c == '\n') lineno++; else if (! isspace(c)) break; } return LEX_OR; } yylval.nodetypeval = Node_illegal; return c; } if (c != '_' && ! isalpha(c)) { yyerror("Invalid char '%c' in expression\n", c); return ERROR; } /* it's some type of name-type-thing. Find its length */ for (namelen = 0; is_identchar(tokstart[namelen]); namelen++) /* null */ ; emalloc(tokkey, char *, namelen+1, "yylex"); memcpy(tokkey, tokstart, namelen); tokkey[namelen] = '\0'; /* See if it is a special token. */ low = 0; high = (sizeof (tokentab) / sizeof (tokentab[0])) - 1; while (low <= high) { int i, c; mid = (low + high) / 2; c = *tokstart - tokentab[mid].operator[0]; i = c ? c : strcmp (tokkey, tokentab[mid].operator); if (i < 0) { /* token < mid */ high = mid - 1; } else if (i > 0) { /* token > mid */ low = mid + 1; } else { lexptr = tokstart + namelen; if (strict && tokentab[mid].nostrict) break; if (tokentab[mid].class == LEX_BUILTIN || tokentab[mid].class == LEX_LENGTH) yylval.ptrval = tokentab[mid].ptr; else yylval.nodetypeval = tokentab[mid].value; return tokentab[mid].class; } } /* It's a name. See how long it is. */ yylval.sval = tokkey; lexptr = tokstart + namelen; if (*lexptr == '(') return FUNC_CALL; else return NAME; } #ifndef DEFPATH #ifdef MSDOS #define DEFPATH "." #define ENVSEP ';' #else #define DEFPATH ".:/usr/lib/awk:/usr/local/lib/awk" #define ENVSEP ':' #endif #endif static FILE * pathopen (file) char *file; { static char *savepath = DEFPATH; static int first = 1; char *awkpath, *cp; char trypath[BUFSIZ]; FILE *fp; #ifdef DEBUG extern int debugging; #endif int fd; if (strcmp (file, "-") == 0) return (stdin); if (strict) return (fopen (file, "r")); if (first) { first = 0; if ((awkpath = getenv ("AWKPATH")) != NULL && *awkpath) savepath = awkpath; /* used for restarting */ } awkpath = savepath; /* some kind of path name, no search */ #ifndef MSDOS if (strchr (file, '/') != NULL) #else if (strchr (file, '/') != NULL || strchr (file, '\\') != NULL || strchr (file, ':') != NULL) #endif return ( (fd = devopen (file, "r")) >= 0 ? fdopen(fd, "r") : NULL); do { trypath[0] = '\0'; /* this should take into account limits on size of trypath */ for (cp = trypath; *awkpath && *awkpath != ENVSEP; ) *cp++ = *awkpath++; if (cp != trypath) { /* nun-null element in path */ *cp++ = '/'; strcpy (cp, file); } else strcpy (trypath, file); #ifdef DEBUG if (debugging) fprintf(stderr, "trying: %s\n", trypath); #endif if ((fd = devopen (trypath, "r")) >= 0 && (fp = fdopen(fd, "r")) != NULL) return (fp); /* no luck, keep going */ if(*awkpath == ENVSEP && awkpath[1] != '\0') awkpath++; /* skip colon */ } while (*awkpath); #ifdef MSDOS /* * Under DOS (and probably elsewhere) you might have one of the awk * paths defined, WITHOUT the current working directory in it. * Therefore you should try to open the file in the current directory. */ return ( (fd = devopen(file, "r")) >= 0 ? fdopen(fd, "r") : NULL); #else return (NULL); #endif } static NODE * node_common(op) NODETYPE op; { register NODE *r; extern int numfiles; extern int tempsource; extern char **sourcefile; r = newnode(op); r->source_line = lineno; if (numfiles > -1 && ! tempsource) r->source_file = sourcefile[curinfile]; else r->source_file = NULL; return r; } /* * This allocates a node with defined lnode and rnode. * This should only be used by yyparse+co while reading in the program */ NODE * node(left, op, right) NODE *left, *right; NODETYPE op; { register NODE *r; r = node_common(op); r->lnode = left; r->rnode = right; return r; } /* * This allocates a node with defined subnode and proc * Otherwise like node() */ static NODE * snode(subn, op, procp) NODETYPE op; NODE *(*procp) (); NODE *subn; { register NODE *r; r = node_common(op); r->subnode = subn; r->proc = procp; return r; } /* * This allocates a Node_line_range node with defined condpair and * zeroes the trigger word to avoid the temptation of assuming that calling * 'node( foo, Node_line_range, 0)' will properly initialize 'triggered'. */ /* Otherwise like node() */ static NODE * mkrangenode(cpair) NODE *cpair; { register NODE *r; r = newnode(Node_line_range); r->condpair = cpair; r->triggered = 0; return r; } /* Build a for loop */ static NODE * make_for_loop(init, cond, incr) NODE *init, *cond, *incr; { register FOR_LOOP_HEADER *r; NODE *n; emalloc(r, FOR_LOOP_HEADER *, sizeof(FOR_LOOP_HEADER), "make_for_loop"); n = newnode(Node_illegal); r->init = init; r->cond = cond; r->incr = incr; n->sub.nodep.r.hd = r; return n; } /* * Install a name in the hash table specified, even if it is already there. * Name stops with first non alphanumeric. Caller must check against * redefinition if that is desired. */ NODE * install(table, name, value) NODE **table; char *name; NODE *value; { register NODE *hp; register int len, bucket; register char *p; len = 0; p = name; while (is_identchar(*p)) p++; len = p - name; hp = newnode(Node_hashnode); bucket = hashf(name, len, HASHSIZE); hp->hnext = table[bucket]; table[bucket] = hp; hp->hlength = len; hp->hvalue = value; emalloc(hp->hname, char *, len + 1, "install"); memcpy(hp->hname, name, len); hp->hname[len] = '\0'; return hp->hvalue; } /* * find the most recent hash node for name name (ending with first * non-identifier char) installed by install */ NODE * lookup(table, name) NODE **table; char *name; { register char *bp; register NODE *bucket; register int len; for (bp = name; is_identchar(*bp); bp++) ; len = bp - name; bucket = table[hashf(name, len, HASHSIZE)]; while (bucket) { if (bucket->hlength == len && STREQN(bucket->hname, name, len)) return bucket->hvalue; bucket = bucket->hnext; } return NULL; } #define HASHSTEP(old, c) ((old << 1) + c) #define MAKE_POS(v) (v & ~0x80000000) /* make number positive */ /* * return hash function on name. */ static int hashf(name, len, hashsize) register char *name; register int len; int hashsize; { register int r = 0; while (len--) r = HASHSTEP(r, *name++); r = MAKE_POS(r) % hashsize; return r; } /* * Add new to the rightmost branch of LIST. This uses n^2 time, so we make * a simple attempt at optimizing it. */ static NODE * append_right(list, new) NODE *list, *new; { register NODE *oldlist; static NODE *savefront = NULL, *savetail = NULL; oldlist = list; if (savefront == oldlist) { savetail = savetail->rnode = new; return oldlist; } else savefront = oldlist; while (list->rnode != NULL) list = list->rnode; savetail = list->rnode = new; return oldlist; } /* * check if name is already installed; if so, it had better have Null value, * in which case def is added as the value. Otherwise, install name with def * as value. */ static void func_install(params, def) NODE *params; NODE *def; { NODE *r; pop_params(params->rnode); pop_var(params, 0); r = lookup(variables, params->param); if (r != NULL) { fatal("function name `%s' previously defined", params->param); } else (void) install(variables, params->param, node(params, Node_func, def)); } static void pop_var(np, freeit) NODE *np; int freeit; { register char *bp; register NODE *bucket, **save; register int len; char *name; name = np->param; for (bp = name; is_identchar(*bp); bp++) ; len = bp - name; save = &(variables[hashf(name, len, HASHSIZE)]); for (bucket = *save; bucket; bucket = bucket->hnext) { if (len == bucket->hlength && STREQN(bucket->hname, name, len)) { *save = bucket->hnext; freenode(bucket); free(bucket->hname); if (freeit) free(np->param); return; } save = &(bucket->hnext); } } static void pop_params(params) NODE *params; { register NODE *np; for (np = params; np != NULL; np = np->rnode) pop_var(np, 1); } static NODE * make_param(name) char *name; { NODE *r; r = newnode(Node_param_list); r->param = name; r->rnode = NULL; r->param_cnt = param_counter++; return (install(variables, name, r)); } /* Name points to a variable name. Make sure its in the symbol table */ NODE * variable(name) char *name; { register NODE *r; if ((r = lookup(variables, name)) == NULL) r = install(variables, name, node(Nnull_string, Node_var, (NODE *) NULL)); return r; }