1 /*****************************************************************************/
5 /* Configuration file scanner for the sim65 6502 simulator */
9 /* (C) 1998-2003 Ullrich von Bassewitz */
10 /* Römerstrasse 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 /*****************************************************************************/
46 /*****************************************************************************/
48 /*****************************************************************************/
52 /* Config file tokens */
71 /* Special identifiers */
79 /* Mapping table entry, special identifier --> token */
80 typedef struct IdentTok IdentTok;
82 const char* Ident; /* Identifier */
83 cfgtok_t Tok; /* Token for identifier */
85 #define ENTRY_COUNT(s) (sizeof (s) / sizeof (s [0]))
89 /* Current token and attributes */
90 #define CFG_MAX_IDENT_LEN 255
91 extern cfgtok_t CfgTok;
92 extern char CfgSVal [CFG_MAX_IDENT_LEN+1];
93 extern unsigned long CfgIVal;
96 extern unsigned CfgErrorLine;
97 extern unsigned CfgErrorCol;
101 /*****************************************************************************/
103 /*****************************************************************************/
107 void CfgWarning (const char* Format, ...) attribute((format(printf,1,2)));
108 /* Print a warning message adding file name and line number of the config file */
110 void CfgError (const char* Format, ...) attribute((format(printf,1,2)));
111 /* Print an error message adding file name and line number of the config file */
113 void CfgNextTok (void);
114 /* Read the next token from the input stream */
116 void CfgConsume (cfgtok_t T, const char* Msg);
117 /* Skip a token, print an error message if not found */
119 void CfgConsumeSemi (void);
120 /* Consume a semicolon */
122 void CfgConsumeColon (void);
123 /* Consume a colon */
125 void CfgOptionalComma (void);
126 /* Consume a comma if there is one */
128 void CfgOptionalAssign (void);
129 /* Consume an equal sign if there is one */
131 void CfgAssureInt (void);
132 /* Make sure the next token is an integer */
134 void CfgAssureStr (void);
135 /* Make sure the next token is a string constant */
137 void CfgAssureIdent (void);
138 /* Make sure the next token is an identifier */
140 void CfgRangeCheck (unsigned long Lo, unsigned long Hi);
141 /* Check the range of CfgIVal */
143 void CfgSpecialToken (const IdentTok* Table, unsigned Size, const char* Name);
144 /* Map an identifier to one of the special tokens in the table */
146 void CfgBoolToken (void);
147 /* Map an identifier or integer to a boolean token */
149 void CfgSetName (const char* Name);
150 /* Set a name for a config file */
152 const char* CfgGetName (void);
153 /* Get the name of the config file */
155 void CfgSetBuf (const char* Buf);
156 /* Set a memory buffer for the config */
159 /* Return true if we have a configuration available */
161 void CfgOpenInput (void);
162 /* Open the input file if we have one */
164 void CfgCloseInput (void);
165 /* Close the input file if we have one */
169 /* End of scanner.h */