1 /*****************************************************************************/
5 /* Input file handling */
9 /* (C) 2000-2010, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
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 /*****************************************************************************/
48 /*****************************************************************************/
50 /*****************************************************************************/
54 /* An enum that describes different types of input files */
56 IT_MAIN, /* Main input file */
57 IT_SYSINC, /* System include file (using <>) */
58 IT_USERINC, /* User include file (using "") */
61 /* The current input line */
64 /* Current and next input character */
68 /* Struct that describes an input file */
69 typedef struct IFile IFile;
71 unsigned Index; /* File index */
72 unsigned Usage; /* Usage counter */
73 unsigned long Size; /* File size */
74 unsigned long MTime; /* Time of last modification */
75 InputType Type; /* Type of input file */
76 char Name[1]; /* Name of file (dynamically allocated) */
81 /*****************************************************************************/
83 /*****************************************************************************/
87 void OpenMainFile (const char* Name);
88 /* Open the main file. Will call Fatal() in case of failures. */
90 void OpenIncludeFile (const char* Name, unsigned DirSpec);
91 /* Open an include file and insert it into the tables. */
94 /* Read the next character from the input stream and make CurC and NextC
95 * valid. If end of line is reached, both are set to NUL, no more lines
96 * are read by this function.
99 void ClearLine (void);
100 /* Clear the current input line */
102 StrBuf* InitLine (StrBuf* Buf);
103 /* Initialize Line from Buf and read CurC and NextC from the new input line.
104 * The function returns the old input line.
108 /* Get a line from the current input. Returns 0 on end of file. */
110 const char* GetCurrentFile (void);
111 /* Return the name of the current input file */
113 unsigned GetCurrentLine (void);
114 /* Return the line number in the current input file */
116 void WriteDependencies (FILE* F, const char* OutputFile);
117 /* Write a makefile dependency list to the given file */