1 /*****************************************************************************/
5 /* Configuration file scanner for the ld65 linker */
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 /*****************************************************************************/
41 /*****************************************************************************/
43 /*****************************************************************************/
47 /* Config file tokens */
62 /* Special identifiers */
129 /* Mapping table entry, special identifier --> token */
130 typedef struct IdentTok IdentTok;
132 const char* Ident; /* Identifier */
133 cfgtok_t Tok; /* Token for identifier */
135 #define ENTRY_COUNT(s) (sizeof (s) / sizeof (s [0]))
139 /* Current token and attributes */
140 #define CFG_MAX_IDENT_LEN 255
141 extern cfgtok_t CfgTok;
142 extern char CfgSVal [CFG_MAX_IDENT_LEN+1];
143 extern unsigned long CfgIVal;
146 extern unsigned CfgErrorLine;
147 extern unsigned CfgErrorCol;
151 /*****************************************************************************/
153 /*****************************************************************************/
157 void CfgWarning (const char* Format, ...) attribute((format(printf,1,2)));
158 /* Print a warning message adding file name and line number of the config file */
160 void CfgError (const char* Format, ...) attribute((format(printf,1,2)));
161 /* Print an error message adding file name and line number of the config file */
163 void CfgNextTok (void);
164 /* Read the next token from the input stream */
166 void CfgConsume (cfgtok_t T, const char* Msg);
167 /* Skip a token, print an error message if not found */
169 void CfgConsumeSemi (void);
170 /* Consume a semicolon */
172 void CfgConsumeColon (void);
173 /* Consume a colon */
175 void CfgOptionalComma (void);
176 /* Consume a comma if there is one */
178 void CfgOptionalAssign (void);
179 /* Consume an equal sign if there is one */
181 void CfgAssureInt (void);
182 /* Make sure the next token is an integer */
184 void CfgAssureStr (void);
185 /* Make sure the next token is a string constant */
187 void CfgAssureIdent (void);
188 /* Make sure the next token is an identifier */
190 void CfgRangeCheck (unsigned long Lo, unsigned long Hi);
191 /* Check the range of CfgIVal */
193 void CfgSpecialToken (const IdentTok* Table, unsigned Size, const char* Name);
194 /* Map an identifier to one of the special tokens in the table */
196 void CfgBoolToken (void);
197 /* Map an identifier or integer to a boolean token */
199 void CfgSetName (const char* Name);
200 /* Set a name for a config file */
202 const char* CfgGetName (void);
203 /* Get the name of the config file */
205 void CfgSetBuf (const char* Buf);
206 /* Set a memory buffer for the config */
209 /* Return true if we have a configuration available */
211 void CfgOpenInput (void);
212 /* Open the input file if we have one */
214 void CfgCloseInput (void);
215 /* Close the input file if we have one */
219 /* End of scanner.h */