stop.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 84 行

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*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*  ========================================================================
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*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
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//
// STOP         : STOP statement (for optimizing compiler)
//

#include "ftnstd.h"
#include "rtenv.h"
#include "rundat.h"
#include "xfflags.h"

#include <string.h>

extern  void            Suicide(void);
extern  void            StdWriteNL(char *,int);
extern  void            StdWrite(char *,int);
extern  void            FlushStdUnit(void);
extern  void            StdBuffer(void);
extern  void            StdFlush(void);
extern  bool            __DevicesCC( void );
extern  void            RTSysInit(void);

// this is used by the load and go debugger in _SA_LIBRARY

static void noHook( void ) {}
void (*STOP_HOOK)(void) = noHook;


void    Stop( string PGM *ptr ) {
//===============================

// Process a STOP statement.

    RTSysInit();
    if( ptr != NULL ) {
        _AccessFIO();
        // Before writing the error message, flush standard output files so that
        // if unit 6 is connected to the standard output device which has been
        // redirected to a file, the file gets flushed before the error message
        // is written.
        FlushStdUnit();
        StdBuffer();
        if( __DevicesCC() ) {
            StdWrite( "\n", 1 );
        }
        StdWriteNL( ptr->strptr, ptr->len );
        StdFlush();
        _ReleaseFIO();
    }
    __XcptFlags |= XF_FATAL_ERROR;
    STOP_HOOK();
    Suicide();
}