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Make .sizeof work with code scopes. First support for segment ranges.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2719 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2003-12-06 14:29:16 +00:00
parent eea9accba6
commit 7f3c28a438
2 changed files with 215 additions and 0 deletions
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113
src/ca65/segrange.c Normal file
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/*****************************************************************************/
/* */
/* segrange.c */
/* */
/* A segment range */
/* */
/* */
/* */
/* (C) 2003 Ullrich von Bassewitz */
/* Römerstraße 52 */
/* D-70794 Filderstadt */
/* 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 "xmalloc.h"
/* ca65 */
#include "segment.h"
#include "segrange.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
SegRange* NewSegRange (struct Segment* Seg)
/* Create a new segment range. The segment is set to Seg, Start and End are
* set to the current PC of the segment.
*/
{
/* Allocate memory */
SegRange* R = xmalloc (sizeof (SegRange));
/* Initialize the struct */
R->Seg = Seg;
R->Start = Seg->PC;
R->End = Seg->PC;
/* Return the new struct */
return R;
}
void AddSegRanges (Collection* Ranges)
/* Add a segment range for all existing segments to the given collection of
* ranges. The currently active segment will be inserted first with all others
* following.
*/
{
Segment* Seg;
/* Add the currently active segment */
CollAppend (Ranges, NewSegRange (ActiveSeg));
/* Walk through the segment list and add all other segments */
Seg = SegmentList;
while (Seg) {
/* Be sure to skip the active segment, since it was already added */
if (Seg != ActiveSeg) {
CollAppend (Ranges, NewSegRange (Seg));
}
Seg = Seg->List;
}
}
void CloseSegRanges (Collection* Ranges)
/* Close all open segment ranges by setting PC to the current PC for the
* segment.
*/
{
unsigned I;
/* Walk over the segment list */
for (I = 0; I < CollCount (Ranges); ++I) {
/* Get the next segment range */
SegRange* R = CollAtUnchecked (Ranges, I);
/* Set the end offset */
R->End = R->Seg->PC;
}
}

102
src/ca65/segrange.h Normal file
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/*****************************************************************************/
/* */
/* segrange.h */
/* */
/* A segment range */
/* */
/* */
/* */
/* (C) 2003 Ullrich von Bassewitz */
/* Römerstraße 52 */
/* D-70794 Filderstadt */
/* 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. */
/* */
/*****************************************************************************/
#ifndef SEGRANGE_H
#define SEGRANGE_H
/* common */
#include "coll.h"
#include "inline.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Segment range definition */
typedef struct SegRange SegRange;
struct SegRange{
struct Segment* Seg; /* Pointer to segment */
unsigned long Start; /* Start of range */
unsigned long End; /* End of range */
};
/*****************************************************************************/
/* Code */
/*****************************************************************************/
SegRange* NewSegRange (struct Segment* Seg);
/* Create a new segment range. The segment is set to Seg, Start and End are
* set to the current PC of the segment.
*/
#if defined(HAVE_INLINE)
INLINE unsigned long GetSegRangeSize (const SegRange* R)
/* Return the segment range size in bytes */
{
return (R->End - R->Start);
}
#else
# define GetSegRangeSize (R) ((R)->End - (R)->Start)
#endif
void AddSegRanges (Collection* Ranges);
/* Add a segment range for all existing segments to the given collection of
* ranges. The currently active segment will be inserted first with all others
* following.
*/
void CloseSegRanges (Collection* Ranges);
/* Close all open segment ranges by setting PC to the current PC for the
* segment.
*/
/* End of segrange.h */
#endif