cc65/src/ld65/lineinfo.c

/*****************************************************************************/
/*                                                                           */
/*				  lineinfo.h                                 */
/*                                                                           */
/*			Source file line info structure                      */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 2001      Ullrich von Bassewitz                                       */
/*               Wacholderweg 14                                             */
/*               D-70597 Stuttgart                                           */
/* EMail:        uz@cc65.org                                                 */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/



/* common */
#include "check.h"
#include "xmalloc.h"

/* ld65 */
#include "fileio.h"
#include "lineinfo.h"



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/*     	       	      	      	     Code			     	     */
/*****************************************************************************/



static LineInfo* NewLineInfo (void)
/* Create and return a new LineInfo struct */
{
    /* Allocate memory */
    LineInfo* LI = xmalloc (sizeof (LineInfo));

    /* Initialize the fields */
    LI->File = 0;
    InitFilePos (&LI->Pos);
    InitCollection (&LI->Fragments);

    /* Return the new struct */
    return LI;
}



LineInfo* ReadLineInfo (FILE* F, ObjData* O)
/* Read a line info from a file and return it */
{
    /* Allocate a new LineInfo struct and initialize it */
    LineInfo* LI = NewLineInfo ();

    /* Read the file position */
    ReadFilePos (F, &LI->Pos);

    /* Resolve the file index to a pointer to FileInfo struct */
    CHECK (LI->Pos.Name < O->FileCount);
    LI->File = O->Files[LI->Pos.Name];

    /* Return the new LineInfo */
    return LI;
}