fcdbg.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

/****************************************************************************
*
*                            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
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*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
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*    The Original Code and all software distributed under the License are
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


//
// FCDBG     : generate debugging information
//

#include "ftnstd.h"
#include "global.h"
#include "rtconst.h"
#include "wf77cg.h"
#include "wf77defs.h"
#include "emitobj.h"

//=================== Back End Code Generation Routines ====================

extern  void            DBLineNum(uint);
extern  cg_name         CGInteger(signed_32,cg_type);
extern  cg_name         CGCall(call_handle);
extern  void            CGDone(cg_name);
extern  void            CGAddParm(call_handle,cg_name,cg_type);

//=========================================================================

extern  call_handle     InitCall(RTCODE);


void    FCDbgLine( void ) {
//====================

// Generate line # information.

    unsigned_16 line_num;

    line_num = GetU16();
    if( ( SubProgId->ns.flags & SY_SUBPROG_TYPE ) == SY_BLOCK_DATA ) return;
    DBLineNum( line_num );
}


void    FCSetLine( void ) {
//===================

// Generate run-time call to ISN routine.

    call_handle handle;
    unsigned_16 line_num;

    line_num = GetU16();
    if( ( SubProgId->ns.flags & SY_SUBPROG_TYPE ) == SY_BLOCK_DATA ) return;
    handle = InitCall( RT_SET_LINE );
    CGAddParm( handle, CGInteger( line_num, T_INTEGER ), T_INTEGER );
    CGDone( CGCall( handle ) );
}