cfcb.h

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C头文件 代码 · 共 57 行

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  File control block definition.
*
****************************************************************************/


#define SRC_BUF_SIZE            4096

#define EOF_CHAR                256
#define MACRO_CHAR              257

typedef struct fcb_struct {     /* file control block structure */
    char        *src_name;      /* pointer to file name */
    int         src_fno;        /* file name id */
    FNAMEPTR    src_flist;      /* pointer to flist_name struct */
    int         src_line;       /* current line number in source file */
    FILE        *src_fp;        /* pointer to FILE struct */
    struct fcb_struct *prev_file; /* pointer to previous fcb */
    int         prev_currchar;  /* value of CurrChar */
    int         src_cnt;        /* number of bytes left in buffer */
    char        *src_ptr;       /* pointer to next character in buffer */
    int         src_bufsize;    /* size of buffer */
    char        *src_buf;       /* source buffer */
#if   _CPU ==  370  // just use for 370
    unsigned    colum;          /* start reading at colum  */
    unsigned    trunc;          /* stop  reading at trunc  */
    unsigned    prevcount;      /* leftovers from prev read */
#endif
    long        rseekpos;       /* if closed because of too many files reopen */
    int         no_eol;         /* set if no EOL before EOF */
} FCB;