scan-gram.c
来自「bison 2.0 主要可以用来做语法分析用的」· C语言 代码 · 共 2,196 行 · 第 1/5 页
C
2,196 行
641, 664, 626, 625, 661, 640, 633, 634, 359, 297, 622, 622, 619, 632, 621, 628, 624, 620, 614, 617, 623, 622, 612, 623, 621, 618, 732, 0, 0, 396, 606, 614, 601, 606, 602, 614, 600, 612, 633, 609, 597, 602, 0, 595, 591, 603, 319, 602, 597, 588, 599, 591, 583, 596, 0, 582, 365, 581, 593, 579, 0, 583, 0, 582, 580, 0, 620, 0, 0, 570, 0, 580, 585, 570, 0, 385, 570, 572, 386, 585, 584, 583, 574, 0, 567, 575, 567, 562, 560, 0, 559, 595, 570, 559, 0, 555, 0, 387, 0, 555, 404, 0, 732, 0, 553, 553, 566, 548, 392, 551, 552, 549, 553, 547, 548, 545, 559, 554, 544, 552, 0, 541, 539, 553, 539, 534, 546, 411, 394, 0, 532, 544, 532, 542, 527, 528, 563, 542, 529, 536, 521, 522, 535, 521, 535, 0, 519, 521, 532, 0, 558, 516, 516, 513, 512, 521, 508, 520, 523, 511, 505, 515, 509, 0, 0, 507, 502, 500, 0, 514, 541, 498, 497, 510, 0, 502, 495, 493, 505, 0, 0, 498, 488, 496, 503, 498, 491, 527, 188, 495, 0, 485, 477, 478, 0, 478, 474, 398, 481, 481, 476, 486, 732, 487, 472, 0, 470, 478, 0, 471, 476, 0, 0, 0, 0, 479, 410, 464, 456, 448, 0, 443, 429, 404, 390, 398, 0, 403, 396, 393, 0, 400, 397, 420, 383, 384, 0, 392, 362, 354, 364, 348, 0, 732, 441, 448, 455, 462, 465, 471, 477, 484, 488, 494, 346, 343, 328, 260, 501, 243, 233, 203, 197, 138, 69, 507 } ;static yyconst short int yy_def[477] = { 0, 454, 1, 455, 455, 455, 455, 456, 456, 455, 455, 455, 455, 457, 457, 455, 455, 455, 455, 458, 458, 455, 21, 21, 21, 21, 21, 454, 454, 454, 454, 454, 454, 454, 454, 459, 454, 454, 454, 454, 460, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 461, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 462, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 454, 459, 454, 464, 454, 465, 460, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 466, 454, 454, 454, 454, 454, 454, 467, 454, 468, 454, 454, 454, 469, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 464, 465, 454, 454, 454, 454, 454, 454, 454, 454, 461, 454, 470, 471, 468, 469, 454, 454, 454, 454, 454, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 454, 454, 472, 473, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 454, 474, 475, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 454, 467, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 476, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 476, 476, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 454, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 463, 0, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454 } ;static yyconst short int yy_nxt[790] = { 0, 28, 29, 30, 29, 31, 28, 28, 32, 33, 28, 34, 28, 35, 36, 37, 38, 38, 28, 39, 40, 41, 28, 28, 28, 35, 35, 35, 28, 28, 28, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 42, 43, 28, 28, 46, 46, 47, 87, 47, 47, 109, 48, 48, 52, 110, 141, 52, 47, 115, 45, 47, 313, 142, 49, 109, 49, 49, 162, 110, 50, 50, 51, 51, 116, 49, 155, 163, 49, 50, 53, 51, 50, 53, 51, 56, 156, 57, 56, 47, 57, 67, 47, 68, 45, 59, 45, 210, 59, 47, 173, 60, 47, 67, 60, 68, 49, 211, 174, 49, 50, 58, 51, 50, 58, 51, 49, 69, 146, 49, 50, 58, 51, 50, 58, 51, 62, 30, 62, 69, 147, 312, 62, 30, 62, 63, 66, 71, 64, 148, 71, 63, 65, 72, 64, 70, 72, 214, 65, 74, 30, 74, 111, 111, 111, 109, 143, 70, 75, 110, 144, 76, 215, 69, 47, 87, 69, 74, 30, 74, 224, 77, 47, 45, 225, 145, 75, 45, 413, 76, 399, 49, 117, 118, 117, 45, 111, 111, 111, 49, 279, 70, 47, 45, 70, 46, 278, 78, 112, 79, 80, 81, 121, 122, 121, 45, 82, 192, 192, 49, 157, 45, 83, 45, 165, 158, 84, 115, 454, 45, 50, 45, 51, 112, 219, 137, 239, 166, 175, 123, 138, 167, 116, 139, 139, 139, 238, 176, 140, 45, 169, 45, 149, 219, 123, 177, 85, 150, 86, 88, 151, 151, 151, 195, 89, 170, 220, 243, 171, 111, 111, 111, 185, 186, 185, 244, 89, 89, 89, 117, 118, 117, 89, 89, 90, 89, 91, 92, 93, 94, 89, 95, 89, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 89, 106, 107, 125, 188, 122, 188, 125, 190, 191, 190, 237, 237, 126, 126, 139, 139, 139, 139, 139, 139, 125, 141, 260, 127, 295, 261, 125, 194, 142, 128, 129, 197, 198, 197, 130, 199, 200, 199, 201, 202, 201, 131, 193, 295, 132, 182, 133, 134, 135, 136, 151, 151, 151, 151, 151, 151, 204, 185, 186, 185, 205, 117, 118, 117, 188, 122, 188, 188, 122, 188, 304, 206, 190, 191, 190, 197, 198, 197, 199, 200, 199, 143, 201, 202, 201, 144, 146, 258, 453, 304, 318, 321, 336, 452, 259, 451, 137, 343, 147, 362, 145, 138, 450, 420, 139, 139, 139, 148, 361, 318, 321, 336, 338, 338, 338, 432, 343, 449, 362, 338, 338, 338, 420, 448, 447, 446, 445, 444, 443, 442, 441, 440, 439, 438, 432, 45, 45, 45, 45, 45, 45, 45, 54, 54, 54, 54, 54, 54, 54, 61, 61, 61, 61, 61, 61, 61, 73, 73, 73, 73, 73, 73, 73, 108, 108, 113, 437, 113, 113, 113, 113, 120, 120, 436, 120, 120, 120, 120, 124, 124, 124, 124, 124, 124, 124, 153, 153, 153, 181, 435, 181, 181, 181, 181, 181, 196, 434, 196, 196, 196, 196, 398, 433, 398, 398, 398, 398, 398, 431, 430, 429, 428, 427, 426, 425, 424, 423, 422, 421, 419, 418, 417, 416, 415, 414, 399, 412, 411, 410, 409, 408, 407, 406, 405, 404, 403, 402, 401, 400, 399, 397, 396, 395, 394, 393, 392, 391, 390, 389, 388, 387, 386, 385, 384, 383, 382, 381, 380, 379, 378, 377, 376, 375, 374, 373, 372, 371, 370, 369, 368, 367, 366, 365, 364, 363, 360, 359, 358, 357, 356, 355, 354, 353, 352, 351, 350, 349, 348, 347, 346, 345, 344, 342, 341, 340, 339, 337, 335, 334, 333, 332, 331, 330, 329, 328, 327, 326, 325, 324, 323, 322, 320, 319, 317, 316, 315, 314, 311, 310, 309, 308, 307, 306, 305, 303, 302, 301, 300, 299, 298, 297, 296, 294, 293, 292, 291, 290, 289, 288, 287, 286, 285, 284, 283, 282, 281, 280, 277, 276, 275, 274, 273, 272, 271, 270, 269, 268, 267, 266, 265, 264, 263, 262, 257, 256, 255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 242, 241, 240, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 223, 222, 221, 218, 217, 216, 213, 212, 209, 208, 207, 203, 189, 187, 184, 183, 180, 179, 178, 172, 168, 164, 161, 160, 159, 154, 152, 114, 114, 119, 114, 454, 55, 55, 44, 27, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454 } ;static yyconst short int yy_chk[790] = { 0, 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, 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, 1, 3, 4, 23, 23, 3, 4, 36, 3, 4, 5, 36, 80, 6, 5, 48, 23, 6, 475, 80, 23, 64, 3, 4, 96, 64, 3, 4, 3, 4, 48, 5, 91, 96, 6, 5, 5, 5, 6, 6, 6, 9, 91, 9, 10, 9, 10, 15, 10, 15, 23, 11, 23, 159, 12, 11, 102, 11, 12, 16, 12, 16, 9, 159, 102, 10, 9, 9, 9, 10, 10, 10, 11, 15, 83, 12, 11, 11, 11, 12, 12, 12, 13, 13, 13, 16, 83, 474, 14, 14, 14, 13, 14, 17, 13, 83, 18, 14, 13, 17, 14, 15, 18, 162, 14, 19, 19, 19, 38, 38, 38, 76, 82, 16, 19, 76, 82, 19, 162, 17, 24, 24, 18, 20, 20, 20, 170, 20, 25, 25, 170, 82, 20, 24, 399, 20, 399, 24, 53, 53, 53, 25, 37, 37, 37, 25, 473, 17, 26, 26, 18, 21, 472, 21, 37, 21, 21, 21, 58, 58, 58, 26, 21, 126, 126, 26, 92, 24, 21, 24, 98, 92, 21, 186, 191, 25, 21, 25, 21, 37, 166, 79, 471, 98, 103, 58, 79, 98, 186, 79, 79, 79, 470, 103, 79, 26, 100, 26, 84, 166, 191, 103, 21, 84, 21, 32, 84, 84, 84, 468, 32, 100, 166, 205, 100, 111, 111, 111, 116, 116, 116, 205, 32, 32, 32, 117, 117, 117, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 69, 121, 121, 121, 69, 123, 123, 123, 192, 192, 69, 69, 138, 138, 138, 139, 139, 139, 69, 198, 220, 69, 257, 220, 69, 467, 198, 69, 69, 142, 142, 142, 69, 145, 145, 145, 148, 148, 148, 69, 466, 257, 69, 465, 69, 69, 69, 69, 150, 150, 150, 151, 151, 151, 155, 185, 185, 185, 155, 187, 187, 187, 188, 188, 188, 189, 189, 189, 267, 155, 190, 190, 190, 197, 197, 197, 199, 199, 199, 200, 201, 201, 201, 200, 202, 219, 452, 267, 286, 289, 308, 451, 219, 450, 240, 319, 202, 339, 200, 240, 449, 408, 240, 240, 240, 202, 338, 286, 289, 308, 311, 311, 311, 427, 319, 448, 339, 338, 338, 338, 408, 446, 445, 444, 443, 442, 440, 439, 438, 436, 435, 434, 427, 455, 455, 455, 455, 455, 455, 455, 456, 456, 456, 456, 456, 456, 456, 457, 457, 457, 457, 457, 457, 457, 458, 458, 458, 458, 458, 458, 458, 459, 459, 460, 433, 460, 460, 460, 460, 461, 461, 432, 461, 461, 461, 461, 462, 462, 462, 462, 462, 462, 462, 463, 463, 463, 464, 430, 464, 464, 464, 464, 464, 469, 429, 469, 469, 469, 469, 476, 428, 476, 476, 476, 476, 476, 426, 421, 420, 418, 417, 415, 414, 412, 411, 410, 409, 407, 406, 404, 403, 402, 400, 398, 397, 396, 395, 394, 393, 392, 389, 388, 387, 386, 384, 383, 382, 381, 380, 378, 377, 376, 373, 372, 371, 370, 369, 368, 367, 366, 365, 364, 363, 362, 361, 359, 358, 357, 355, 354, 353, 352, 351, 350, 349, 348, 347, 346, 345, 344, 343, 342, 341, 337, 336, 335, 334, 333, 332, 330, 329, 328, 327, 326, 325, 324, 323, 322, 321, 320, 318, 317, 316, 315, 310, 306, 304, 303, 302, 301, 299, 298, 297, 296, 295, 293, 292, 291, 290, 288, 287, 284, 283, 282, 280, 277, 275, 274, 272, 270, 269, 268, 266, 264, 263, 262, 261, 260, 259, 258, 256, 255, 254, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 223, 222, 221, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 204, 203, 196, 184, 180, 179, 178, 177, 176, 175, 174, 173, 172, 171, 169, 168, 167, 165, 164, 163, 161, 160, 158, 157, 156, 154, 122, 118, 114, 113, 106, 105, 104, 101, 99, 97, 95, 94, 93, 90, 87, 77, 66, 55, 44, 27, 8, 7, 2, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454, 454 } ;static yy_state_type yy_last_accepting_state;static char *yy_last_accepting_cpos;extern int yy_flex_debug;int yy_flex_debug = 1;static yyconst short int yy_rule_linenum[106] = { 0, 162, 163, 164, 165, 173, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 224, 228, 229, 230, 232, 239, 243, 249, 252, 255, 258, 267, 275, 282, 299, 305, 326, 327, 338, 349, 350, 362, 371, 382, 396, 402, 412, 422, 434, 435, 436, 437, 438, 439, 440, 443, 445, 454, 466, 471, 472, 478, 479, 490, 496, 502, 508, 524, 558, 559, 560, 595, 597, 598, 610, 645, 646, 647, 648, 656, 657 } ;/* The intent behind this definition is that it'll catch * any uses of REJECT which flex missed. */#define REJECT reject_used_but_not_detected#define yymore() yymore_used_but_not_detected#define YY_MORE_ADJ 0#define YY_RESTORE_YY_MORE_OFFSETchar *yytext;#line 1 "scan-gram.l"#define INITIAL 0/* Bison Grammar Scanner -*- C -*- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA*/#define YY_NO_UNPUT 1#define YY_NEVER_INTERACTIVE 1#line 27 "scan-gram.l"#include "system.h"#include <mbswidth.h>#include <get-errno.h>#include <quote.h>#include "complain.h"#include "files.h"#include "getargs.h"#include "gram.h"#include "reader.h"#include "uniqstr.h"#define YY_USER_INIT \ do \ { \ scanner_cursor.file = current_file; \ scanner_cursor.line = 1; \ scanner_cursor.column = 1; \ code_start = scanner_cursor; \ } \ while (0)/* Location of scanner cursor. */boundary scanner_cursor;static void adjust_location (location *, char const *, size_t);#define YY_USER_ACTION adjust_location (loc, yytext, yyleng);static size_t no_cr_read (FILE *, char *, size_t);#define YY_INPUT(buf, result, size) ((result) = no_cr_read (yyin, buf, size))/* OBSTACK_FOR_STRING -- Used to store all the characters that we need to keep (to construct ID, STRINGS etc.). Use the following macros to use it. Use STRING_GROW to append what has just been matched, and STRING_FINISH to end the string (it puts the ending 0). STRING_FINISH also stores this string in LAST_STRING, which can be used, and which is used by STRING_FREE to free the last string. */static struct obstack obstack_for_string;/* A string representing the most recently saved token. */static char *last_string;#define STRING_GROW \ obstack_grow (&obstack_for_string, yytext, yyleng)#define STRING_FINISH \ do { \ obstack_1grow (&obstack_for_string, '\0'); \ last_string = obstack_finish (&obstack_for_string); \ } while (0)#define STRING_FREE \ obstack_free (&obstack_for_string, last_string)voidscanner_last_string_free (void){ STRING_FREE;}/* Within well-formed rules, RULE_LENGTH is the number of values in the current rule so far, which says where to find `$0' with respect to the top of the stack. It is not the same as the rule->length in the case of mid rule actions. Outside of well-formed rules, RULE_LENGTH has an undefined value. */static int rule_length;static void handle_dollar (int token_type, char *cp, location loc);static void handle_at (int token_type, char *cp, location loc);static void handle_syncline (char *args);static unsigned long int scan_integer (char const *p, int base, location loc);static int convert_ucn_to_byte (char const *hex_text);static void unexpected_eof (boundary, char const *);static void unexpected_newline (boundary, char const *);#define SC_COMMENT 1#define SC_LINE_COMMENT 2#define SC_YACC_COMMENT 3#define SC_STRING 4#define SC_CHARACTER 5#define SC_AFTER_IDENTIFIER 6#define SC_ESCAPED_STRING 7#define SC_ESCAPED_CHARACTER 8#define SC_PRE_CODE 9#define SC_BRACED_CODE 10#define SC_PROLOGUE 11#define SC_EPILOGUE 12/* POSIX says that a tag must be both an id and a C union member, but historically almost any character is allowed in a tag. We disallow NUL and newline, as this simplifies our implementation. *//* Zero or more instances of backslash-newline. Following GCC, allow white space between the backslash and the newline. */#line 869 "scan-gram.c"/* Macros after this point can all be overridden by user definitions in * section 1. */#ifndef YY_SKIP_YYWRAP#ifdef __cplusplusextern "C" int yywrap YY_PROTO(( void ));#elseextern int yywrap YY_PROTO(( void ));#endif#endif⌨️ 快捷键说明
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