1 /*****************************************************************************/
5 /* Source file line info structure */
9 /* (C) 2001 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
46 /*****************************************************************************/
48 /*****************************************************************************/
52 /* Input file structure */
57 /*****************************************************************************/
59 /*****************************************************************************/
63 /* The text for the actual line is allocated at the end of the structure, so
64 * the size of the structure varies.
66 typedef struct LineInfo LineInfo;
68 unsigned RefCount; /* Reference counter */
69 struct IFile* InputFile; /* Input file for this line */
70 unsigned LineNum; /* Line number */
71 char Line[1]; /* Source code line */
76 /*****************************************************************************/
78 /*****************************************************************************/
82 LineInfo* UseLineInfo (LineInfo* LI);
83 /* Increase the reference count of the given line info and return it. */
85 void ReleaseLineInfo (LineInfo* LI);
86 /* Release a reference to the given line info, free the structure if the
87 * reference count drops to zero.
90 LineInfo* GetCurLineInfo (void);
91 /* Return a pointer to the current line info. The reference count is NOT
92 * increased, use UseLineInfo for that purpose.
95 void UpdateLineInfo (struct IFile* F, unsigned LineNum, const StrBuf* Line);
96 /* Update the line info - called if a new line is read */
98 const char* GetInputName (const LineInfo* LI);
99 /* Return the file name from a line info */
101 unsigned GetInputLine (const LineInfo* LI);
102 /* Return the line number from a line info */
106 /* End of lineinfo.h */