initscan.c

来自「flex 词法分析工具 类似于lex 此版本为较早前的版本」· C语言 代码 · 共 1,334 行 · 第 1/5 页

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    } ;

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

/* 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_OFFSET
char *yytext;
#line 1 "scan.l"
#define INITIAL 0
/* scan.l - scanner for flex input */
#line 4 "scan.l"
/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Vern Paxson.
 * 
 * The United States Government has rights in this work pursuant
 * to contract no. DE-AC03-76SF00098 between the United States
 * Department of Energy and the University of California.
 *
 * Redistribution and use in source and binary forms with or without
 * modification are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  ``This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  Neither the name of the University nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* $Header: /home/daffy/u0/vern/flex/RCS/scan.l,v 2.56 95/04/24 12:17:19 vern Exp $ */

#include "flexdef.h"
#include "parse.h"

#define ACTION_ECHO add_action( yytext )
#define ACTION_IFDEF(def, should_define) \
	{ \
	if ( should_define ) \
		action_define( def, 1 ); \
	}

#define MARK_END_OF_PROLOG mark_prolog();

#define YY_DECL \
	int flexscan()

#define RETURNCHAR \
	yylval = (unsigned char) yytext[0]; \
	return CHAR;

#define RETURNNAME \
	strcpy( nmstr, yytext ); \
	return NAME;

#define PUT_BACK_STRING(str, start) \
	for ( i = strlen( str ) - 1; i >= start; --i ) \
		unput((str)[i])

#define CHECK_REJECT(str) \
	if ( all_upper( str ) ) \
		reject = true;

#define CHECK_YYMORE(str) \
	if ( all_lower( str ) ) \
		yymore_used = true;
#define YY_STACK_USED 1
#define YY_NO_TOP_STATE 1
#define SECT2 1
#define SECT2PROLOG 2
#define SECT3 3
#define CODEBLOCK 4
#define PICKUPDEF 5
#define SC 6
#define CARETISBOL 7
#define NUM 8
#define QUOTE 9

#define FIRSTCCL 10
#define CCL 11
#define ACTION 12
#define RECOVER 13
#define COMMENT 14
#define ACTION_STRING 15
#define PERCENT_BRACE_ACTION 16

#define OPTION 17
#define LINEDIR 18

#line 1333 "scan.c"

/* Macros after this point can all be overridde