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Added new lineinfo module
git-svn-id: svn://svn.cc65.org/cc65/trunk@745 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
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@ -1,15 +1,15 @@
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/*****************************************************************************/
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/* */
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/* dbginfo.c */
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/* dbginfo.c */
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/* */
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/* Handle the .dbg commands */
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/* Handle the .dbg commands */
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/* */
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/* */
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/* */
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/* (C) 2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* (C) 2000-2001 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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@ -39,6 +39,7 @@
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#include "error.h"
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#include "expr.h"
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#include "filetab.h"
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#include "lineinfo.h"
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#include "nexttok.h"
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#include "dbginfo.h"
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@ -111,8 +112,8 @@ void DbgInfoLine (void)
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return;
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}
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/* ## Remember the line info */
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/* Remember the line info */
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GenLineInfo (Index, LineNum);
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}
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@ -6,10 +6,10 @@
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/* */
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/* */
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/* */
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/* (C) 2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* (C) 2000-2001 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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@ -6,10 +6,10 @@
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/* */
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/* */
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/* */
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/* (C) 2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* (C) 2000 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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135
src/ca65/lineinfo.c
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135
src/ca65/lineinfo.c
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@ -0,0 +1,135 @@
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/*****************************************************************************/
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/* */
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/* lineinfo.c */
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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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/* common */
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#include "coll.h"
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#include "xmalloc.h"
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/* ca65 */
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#include "lineinfo.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Linked list of all line infos */
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LineInfo* LineInfoRoot = 0;
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LineInfo* LineInfoLast = 0;
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unsigned LineInfoCount = 0;
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unsigned LineInfoValid = 0; /* Valid, that is, used entries */
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/* Static pointer to last line info or NULL if not active */
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LineInfo* CurLineInfo = 0;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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static LineInfo* NewLineInfo (unsigned FileIndex, unsigned long LineNum)
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/* Create and return a new line info. Usage will be zero. */
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{
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/* Allocate memory */
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LineInfo* LI = xmalloc (sizeof (LineInfo));
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/* Initialize the fields */
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LI->Next = 0;
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LI->Usage = 0;
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LI->LineNum = LineNum;
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LI->FileIndex = FileIndex;
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LI->Index = 0; /* Currently invalid */
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/* Insert this structure into the line info list */
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if (LineInfoLast == 0) {
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LineInfoRoot = LI;
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} else {
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LineInfoLast->Next = LI;
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}
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LineInfoLast = LI;
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/* Count the line infos */
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++LineInfoCount;
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/* Return the new struct */
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return LI;
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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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{
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CHECK (LI != 0);
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++LI->Usage;
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return LI;
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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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{
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/* Create a new line info and make it current */
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CurLineInfo = NewLineInfo (FileIndex, LineNum);
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}
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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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{
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LineInfo* LI = LineInfoRoot;
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LineInfoValid = 0;
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while (LI) {
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if (LI->Usage) {
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LI->Index = LineInfoValid++;
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}
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LI = LI->Next;
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}
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}
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90
src/ca65/lineinfo.h
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90
src/ca65/lineinfo.h
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@ -0,0 +1,90 @@
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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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@ -22,6 +22,7 @@ OBJS = condasm.o \
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incpath.o \
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instr.o \
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istack.o \
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lineinfo.o \
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listing.o \
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macpack.o \
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macro.o \
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