91 lines
4 KiB
C
91 lines
4 KiB
C
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/*****************************************************************************/
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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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#ifndef LINEINFO_H
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#define LINEINFO_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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LineInfo* Next; /* Pointer to next info in list */
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unsigned Usage; /* Usage counter */
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unsigned long LineNum; /* Line number */
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unsigned FileIndex; /* Index of input file */
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unsigned Index; /* Index */
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};
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/* Linked list of all line infos */
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extern LineInfo* LineInfoRoot;
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extern LineInfo* LineInfoLast;
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extern unsigned LineInfoCount;
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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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/* End of lineinfo.h */
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#endif
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