2000-05-28 13:40:48 +00:00
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/*****************************************************************************/
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/* */
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2000-06-14 21:01:37 +00:00
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/* input.h */
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2000-05-28 13:40:48 +00:00
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/* */
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2000-06-14 21:01:37 +00:00
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/* Input file handling */
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2000-05-28 13:40:48 +00:00
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/* */
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/* */
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/* */
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2010-04-22 19:40:50 +00:00
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/* (C) 2000-2010, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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2000-05-28 13:40:48 +00:00
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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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2000-06-14 21:01:37 +00:00
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#ifndef INPUT_H
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#define INPUT_H
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2000-05-28 13:40:48 +00:00
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2001-05-22 09:32:24 +00:00
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#include <stdio.h>
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2004-09-16 12:42:41 +00:00
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/* common */
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#include "strbuf.h"
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2001-05-22 09:32:24 +00:00
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2000-06-15 19:03:01 +00:00
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/*****************************************************************************/
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2010-04-22 19:40:50 +00:00
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/* data */
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2000-06-15 19:03:01 +00:00
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/*****************************************************************************/
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2010-05-09 10:54:15 +00:00
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/* An enum that describes different types of input files. The members are
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* choosen so that it is possible to combine them to bitsets
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*/
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typedef enum {
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IT_MAIN = 0x01, /* Main input file */
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IT_SYSINC = 0x02, /* System include file (using <>) */
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IT_USRINC = 0x04, /* User include file (using "") */
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} InputType;
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2010-05-01 09:42:12 +00:00
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/* Forward for an IFile structure */
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struct IFile;
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2010-04-22 19:40:50 +00:00
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2004-09-16 12:42:41 +00:00
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/* The current input line */
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extern StrBuf* Line;
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2000-06-21 21:02:44 +00:00
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/* Current and next input character */
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extern char CurC;
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extern char NextC;
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2000-06-15 19:03:01 +00:00
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2000-05-28 13:40:48 +00:00
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/*****************************************************************************/
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2004-09-16 12:42:41 +00:00
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/* Code */
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2000-05-28 13:40:48 +00:00
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/*****************************************************************************/
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2000-06-14 21:01:37 +00:00
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void OpenMainFile (const char* Name);
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/* Open the main file. Will call Fatal() in case of failures. */
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2000-05-28 13:40:48 +00:00
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2010-05-09 10:54:15 +00:00
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void OpenIncludeFile (const char* Name, InputType IT);
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2000-06-14 21:01:37 +00:00
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/* Open an include file and insert it into the tables. */
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2000-05-28 13:40:48 +00:00
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2000-06-21 21:02:44 +00:00
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void NextChar (void);
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/* Read the next character from the input stream and make CurC and NextC
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* valid. If end of line is reached, both are set to NUL, no more lines
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* are read by this function.
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2000-06-15 19:03:01 +00:00
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*/
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2004-09-16 12:42:41 +00:00
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void ClearLine (void);
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/* Clear the current input line */
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StrBuf* InitLine (StrBuf* Buf);
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/* Initialize Line from Buf and read CurC and NextC from the new input line.
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* The function returns the old input line.
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*/
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2000-06-21 21:02:44 +00:00
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int NextLine (void);
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/* Get a line from the current input. Returns 0 on end of file. */
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2000-06-15 19:03:01 +00:00
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2010-05-01 09:42:12 +00:00
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const char* GetInputFile (const struct IFile* IF);
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/* Return a filename from an IFile struct */
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2000-06-21 21:02:44 +00:00
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const char* GetCurrentFile (void);
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/* Return the name of the current input file */
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2000-06-15 19:03:01 +00:00
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2000-06-21 21:02:44 +00:00
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unsigned GetCurrentLine (void);
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/* Return the line number in the current input file */
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2000-06-15 19:03:01 +00:00
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2010-05-01 09:42:12 +00:00
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void CreateDependencies (void);
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/* Create dependency files requested by the user */
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2000-09-01 19:20:32 +00:00
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2000-05-28 13:40:48 +00:00
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2000-06-14 21:01:37 +00:00
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/* End of input.h */
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2000-05-28 13:40:48 +00:00
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#endif
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