1 /*****************************************************************************/
5 /* Configuration file scanner for the ld65 linker */
9 /* (C) 1998 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 /*****************************************************************************/
41 /*****************************************************************************/
43 /*****************************************************************************/
47 /* Config file tokens */
49 #define CFGTOK_INTCON 1
50 #define CFGTOK_STRCON 2
51 #define CFGTOK_IDENT 3
52 #define CFGTOK_LCURLY 4
53 #define CFGTOK_RCURLY 5
55 #define CFGTOK_COMMA 7
57 #define CFGTOK_COLON 9
61 /* Special identifiers */
62 #define CFGTOK_MEMORY 20
63 #define CFGTOK_FILES 21
64 #define CFGTOK_SEGMENTS 22
65 #define CFGTOK_FORMATS 23
67 #define CFGTOK_START 30
68 #define CFGTOK_SIZE 31
69 #define CFGTOK_TYPE 32
70 #define CFGTOK_FILE 33
71 #define CFGTOK_DEFINE 34
72 #define CFGTOK_FILL 35
73 #define CFGTOK_FILLVAL 36
74 #define CFGTOK_EXPORT 37
75 #define CFGTOK_IMPORT 38
77 #define CFGTOK_FORMAT 40
79 #define CFGTOK_LOAD 50
81 #define CFGTOK_ALIGN 52
82 #define CFGTOK_OFFSET 53
88 #define CFGTOK_WPROT 64
93 #define CFGTOK_SMALL 80
94 #define CFGTOK_LARGE 81
96 #define CFGTOK_TRUE 90
97 #define CFGTOK_FALSE 91
99 #define CFGTOK_LUNIX 100
100 #define CFGTOK_OSA65 101
104 /* Mapping table entry, special identifier --> token */
105 typedef struct IdentTok_ IdentTok;
107 const char* Ident; /* Identifier */
108 unsigned Tok; /* Token for identifier */
110 #define ENTRY_COUNT(s) (sizeof (s) / sizeof (s [0]))
114 /* Current token and attributes */
115 #define CFG_MAX_IDENT_LEN 255
116 extern unsigned CfgTok;
117 extern char CfgSVal [CFG_MAX_IDENT_LEN+1];
118 extern unsigned long CfgIVal;
121 extern unsigned CfgErrorLine;
122 extern unsigned CfgErrorCol;
126 /*****************************************************************************/
128 /*****************************************************************************/
132 void CfgWarning (const char* Format, ...) attribute((format(printf,1,2)));
133 /* Print a warning message adding file name and line number of the config file */
135 void CfgError (const char* Format, ...) attribute((format(printf,1,2)));
136 /* Print an error message adding file name and line number of the config file */
138 void CfgNextTok (void);
139 /* Read the next token from the input stream */
141 void CfgConsume (unsigned T, const char* Msg);
142 /* Skip a token, print an error message if not found */
144 void CfgConsumeSemi (void);
145 /* Consume a semicolon */
147 void CfgConsumeColon (void);
148 /* Consume a colon */
150 void CfgOptionalComma (void);
151 /* Consume a comma if there is one */
153 void CfgOptionalAssign (void);
154 /* Consume an equal sign if there is one */
156 void CfgAssureInt (void);
157 /* Make sure the next token is an integer */
159 void CfgAssureStr (void);
160 /* Make sure the next token is a string constant */
162 void CfgAssureIdent (void);
163 /* Make sure the next token is an identifier */
165 void CfgRangeCheck (unsigned long Lo, unsigned long Hi);
166 /* Check the range of CfgIVal */
168 void CfgSpecialToken (const IdentTok* Table, unsigned Size, const char* Name);
169 /* Map an identifier to one of the special tokens in the table */
171 void CfgBoolToken (void);
172 /* Map an identifier or integer to a boolean token */
174 void CfgSetName (const char* Name);
175 /* Set a name for a config file */
177 const char* CfgGetName (void);
178 /* Get the name of the config file */
180 void CfgSetBuf (const char* Buf);
181 /* Set a memory buffer for the config */
184 /* Return true if we have a configuration available */
186 void CfgOpenInput (void);
187 /* Open the input file if we have one */
189 void CfgCloseInput (void);
190 /* Close the input file if we have one */
194 /* End of scanner.h */