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117 lines
4.6 KiB
C
117 lines
4.6 KiB
C
/*****************************************************************************/
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/* */
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/* lineinfo.h */
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/* */
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/* Source file line info structure */
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/* */
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/* */
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/* */
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/* (C) 2001 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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/* Note: The line infos kept here are additional line infos supplied by the
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* ".dbg line" command. The native line infos are always kept in the fragments
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* itself (because one fragment always originates from one line). The
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* additional line infos (which may not exist if none are supplied in the
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* source) may have several fragments attached (as is the case with sources
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* generated by the C compiler).
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*/
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#ifndef LINEINFO_H
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#define LINEINFO_H
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/* common */
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#include "coll.h"
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#include "filepos.h"
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/* ca65 */
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#include "global.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* The LineInfo structure is shared between several fragments, so we need a
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* reference counter.
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*/
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typedef struct LineInfo LineInfo;
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struct LineInfo {
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unsigned Usage; /* Usage counter */
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unsigned Index; /* Index */
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FilePos Pos; /* File position */
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};
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/* Collection containing all line infos */
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extern Collection LineInfoColl;
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extern unsigned LineInfoValid; /* Valid, that is, used entries */
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/* Global pointer to last line info or NULL if not active */
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extern LineInfo* CurLineInfo;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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LineInfo* UseLineInfo (LineInfo* LI);
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/* Increase the reference count of the given line info and return it. The
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* function will gracefully accept NULL pointers and do nothing in this case.
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*/
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void GenLineInfo (unsigned FileIndex, unsigned long LineNum);
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/* Generate a new line info */
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void ClearLineInfo (void);
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/* Clear the current line info */
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void MakeLineInfoIndex (void);
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/* Walk over the line info list and make an index of all entries ignoring
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* those with a usage count of zero.
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*/
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void WriteLineInfo (void);
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/* Write a list of all line infos to the object file. */
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/* End of lineinfo.h */
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#endif
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