lexer.c
来自「这是关于RFC3261实现sip的源代码」· C语言 代码 · 共 2,036 行 · 第 1/5 页
C
2,036 行
459, 458, 457, 456, 455, 454, 453, 452, 451, 450, 447, 446, 445, 444, 443, 442, 441, 440, 439, 438, 437, 436, 435, 434, 433, 432, 431, 430, 429, 428, 409, 408, 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, 397, 396, 395, 394, 393, 392, 391, 390, 389, 388, 387, 386, 385, 384, 383, 382, 377, 376, 354, 351, 350, 349, 348, 347, 346, 345, 344, 343, 342, 341, 340, 339, 338, 337, 336, 335, 334, 333, 332, 331, 330, 329, 328, 327, 326, 325, 324, 302, 301, 300, 299, 298, 297, 294, 293, 292, 291, 290, 289, 288, 287, 286, 285, 284, 283, 282, 281, 280, 279, 278, 277, 276, 275, 274, 273, 231, 221, 244, 243, 242, 241, 240, 239, 238, 237, 236, 235, 234, 233, 232, 229, 228, 227, 226, 223, 220, 219, 216, 215, 214, 174, 172, 168, 152, 177, 176, 171, 167, 163, 157, 154, 151, 150, 108, 107, 88, 58, 702, 40, 7, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702 } ;static yyconst flex_int16_t yy_chk[1597] = { 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, 1, 1, 1, 1, 1, 1, 1, 2, 5, 4, 2, 4, 5, 6, 11, 11, 12, 6, 13, 12, 13, 13, 14, 14, 14, 14, 14, 15, 45, 45, 16, 15, 16, 16, 17, 710, 17, 17, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 699, 23, 23, 23, 24, 24, 24, 95, 21, 25, 25, 25, 26, 26, 26, 37, 95, 20, 37, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30, 30, 697, 16, 31, 31, 31, 32, 32, 32, 51, 23, 51, 22, 23, 26, 47, 23, 105, 47, 24, 33, 33, 33, 25, 26, 49, 49, 29, 34, 34, 34, 105, 25, 27, 52, 52, 52, 28, 35, 35, 35, 54, 164, 54, 30, 32, 32, 164, 32, 50, 31, 50, 50, 31, 89, 32, 33, 89, 53, 33, 53, 53, 53, 59, 59, 59, 93, 33, 53, 62, 62, 62, 34, 696, 33, 65, 65, 65, 35, 695, 60, 60, 60, 35, 38, 38, 38, 38, 38, 38, 38, 104, 38, 93, 53, 38, 38, 60, 38, 38, 156, 38, 38, 38, 97, 38, 61, 61, 61, 63, 63, 63, 156, 104, 62, 64, 64, 64, 693, 65, 66, 66, 66, 67, 67, 67, 692, 61, 68, 68, 68, 145, 97, 69, 69, 69, 70, 70, 70, 98, 145, 63, 71, 71, 71, 98, 98, 64, 72, 72, 72, 73, 73, 73, 74, 74, 74, 75, 75, 75, 76, 76, 76, 77, 77, 77, 78, 78, 78, 110, 66, 110, 158, 67, 68, 69, 79, 79, 79, 179, 179, 70, 80, 80, 80, 81, 81, 81, 146, 158, 74, 71, 72, 76, 73, 435, 237, 75, 82, 82, 82, 146, 75, 237, 78, 83, 83, 83, 77, 435, 84, 84, 84, 691, 80, 85, 85, 85, 86, 86, 86, 79, 87, 87, 87, 153, 100, 153, 81, 80, 100, 102, 245, 245, 102, 689, 102, 109, 109, 100, 114, 114, 114, 301, 109, 82, 111, 111, 301, 111, 111, 111, 116, 116, 116, 83, 84, 114, 115, 115, 115, 685, 87, 85, 684, 86, 90, 683, 90, 90, 109, 682, 90, 522, 522, 90, 90, 681, 90, 90, 680, 679, 90, 90, 117, 117, 117, 678, 397, 115, 118, 118, 118, 397, 116, 119, 119, 119, 677, 120, 120, 120, 121, 121, 121, 122, 122, 122, 123, 123, 123, 676, 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547, 548, 548, 548, 549, 549, 549, 516, 542, 572, 572, 572, 547, 502, 501, 546, 573, 573, 573, 498, 548, 574, 574, 574, 497, 496, 572, 495, 549, 575, 575, 575, 576, 576, 576, 577, 577, 577, 494, 493, 574, 596, 596, 596, 597, 597, 597, 598, 598, 598, 492, 596, 491, 575, 615, 615, 615, 703, 703, 703, 703, 704, 704, 704, 704, 705, 705, 705, 705, 706, 706, 706, 706, 707, 707, 708, 708, 709, 490, 709, 709, 489, 488, 486, 485, 484, 483, 482, 481, 480, 479, 478, 477, 476, 461, 460, 459, 458, 456, 455, 454, 453, 452, 451, 450, 449, 448, 447, 446, 445, 441, 440, 438, 437, 433, 432, 431, 430, 429, 409, 408, 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, 396, 395, 394, 393, 392, 390, 389, 388, 387, 386, 385, 384, 383, 382, 381, 380, 379, 378, 377, 376, 354, 353, 352, 351, 350, 349, 348, 347, 346, 345, 344, 343, 342, 341, 340, 339, 338, 337, 336, 335, 334, 333, 332, 331, 330, 329, 328, 327, 325, 324, 302, 300, 299, 298, 297, 296, 295, 294, 293, 292, 291, 290, 289, 288, 287, 286, 285, 284, 283, 282, 281, 280, 279, 278, 277, 276, 275, 274, 273, 243, 242, 241, 240, 239, 238, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 223, 222, 221, 218, 217, 216, 215, 214, 213, 212, 211, 177, 176, 175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 163, 162, 161, 159, 157, 155, 154, 152, 151, 150, 149, 148, 147, 144, 107, 106, 103, 101, 99, 96, 94, 92, 91, 44, 41, 36, 18, 7, 3, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702, 702 } ;static yy_state_type yy_last_accepting_state;static char *yy_last_accepting_cpos;extern int yy_flex_debug;int yy_flex_debug = 0;/* 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 "lexer.l"/* * The SIP lexer. * * Copyright (c) 2006 * Riverbank Computing Limited <info@riverbankcomputing.co.uk> * * This file is part of SIP. * * This copy of SIP is licensed for use under the terms of the SIP License * Agreement. See the file LICENSE for more details. * * SIP is supplied WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */#line 17 "lexer.l"#include <stdio.h>#include <stdlib.h>#include <string.h>#include <errno.h>#include "sip.h"#include "parser.h"#ifndef FLEX_SCANNER#error "Only flex is supported at the moment"#endif#define YY_FATAL_ERROR(s) fatallex(s)#define MAX_INCLUDE_DEPTH 10#define MAX_CODE_LINE_LENGTH 1000static struct inputFile { int lineno; /* The line number. */ YY_BUFFER_STATE bs; /* The flex buffer state handle. */ char *name; /* The file name. */ char *cwd; /* The path part of the file name. */ parserContext pc; /* The parser context. */} inputFileStack[MAX_INCLUDE_DEPTH];static int currentFile = -1; /* Index of the current input file. */static char codeLine[MAX_CODE_LINE_LENGTH + 2]; /* The current code line. */static int codeIdx = -1; /* Index of next code character. */static FILE *openFile(char *);static void fatallex(char *);#line 1092 "lexer.c.tmp"#define INITIAL 0#define code 1#define ccomment 2#ifndef YY_NO_UNISTD_H/* Special case for "unistd.h", since it is non-ANSI. We include it way * down here because we want the user's section 1 to have been scanned first. * The user has a chance to override it with an option. */#endif#ifndef YY_EXTRA_TYPE#define YY_EXTRA_TYPE void *#endifstatic int yy_init_globals (void );/* Macros after this point can all be overridden by user definitions in * section 1. */#ifndef YY_SKIP_YYWRAP#ifdef __cplusplusextern "C" int yywrap (void );#elseextern int yywrap (void );#endif#endif static void yyunput (int c,char *buf_ptr ); #ifndef yytext_ptrstatic void yy_flex_strncpy (char *,yyconst char *,int );#endif#ifdef YY_NEED_STRLENstatic int yy_flex_strlen (yyconst char * );#endif#ifndef YY_NO_INPUT#ifdef __cplusplusstatic int yyinput (void );#elsestatic int input (void );#endif#endif/* Amount of stuff to slurp up with each read. */#ifndef YY_READ_BUF_SIZE#define YY_READ_BUF_SIZE 8192#endif/* Copy whatever the last rule matched to the standard output. */#ifndef ECHO/* This used to be an fputs(), but since the string might contain NUL's, * we now use fwrite(). */#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )#endif/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, * is returned in "result". */#ifndef YY_INPUT#define YY_INPUT(buf,result,max_size) \ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ { \ int c = '*'; \ size_t n; \ for ( n = 0; n < max_size && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ if ( c == '\n' ) \ buf[n++] = (char) c; \ if ( c == EOF && ferror( yyin ) ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ result = n; \ } \ else \ { \ errno=0; \ while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ { \ if( errno != EINTR) \ { \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ break; \ } \ errno=0; \ clearerr(yyin); \ } \ }\\#endif/* No semi-colon after return; correct usage is to write "yyterminate();" - * we don't want an extra ';' after the "return" because that will cause * some compilers to complain about unreachable statements. */#ifndef yyterminate#define yyterminate() return YY_NULL#endif/* Number of entries by which start-condition stack grows. */#ifndef YY_START_STACK_INCR#define YY_START_STACK_INCR 25#endif/* Report a fatal error. */#ifndef YY_FATAL_ERROR#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )#endif/* end tables serialization structures and prototypes *//* Default declaration of generated scanner - a define so the user can * easily add parameters. */#ifndef YY_DECL#define YY_DECL_IS_OURS 1extern int yylex (void);#define YY_DECL int yylex (void)#endif /* !YY_DECL *//* Code executed at the beginning of each rule, after yytext and yyleng * have been set up.⌨️ 快捷键说明
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