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5e8252fa36
value) is now gone, attributes are used instead. The SYMBOLS section does now support imports, so the linker config can be used to force symbols (and therefore module) imports. Evaluation of start address and size for memory areas has been delayed even further, so it is now possible to use the values from one memory area in the definition of the next one. git-svn-id: svn://svn.cc65.org/cc65/trunk@4851 b7a2c559-68d2-44c3-8de9-860c34a00d81
252 lines
7.1 KiB
C
252 lines
7.1 KiB
C
/*****************************************************************************/
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/* */
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/* scanner.h */
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/* */
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/* Configuration file scanner for the ld65 linker */
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/* */
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/* */
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/* */
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/* (C) 1998-2010, 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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/* */
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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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#ifndef SCANNER_H
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#define SCANNER_H
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/* common */
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#include "filepos.h"
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#include "strbuf.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Config file tokens */
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typedef enum {
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CFGTOK_NONE,
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CFGTOK_INTCON, /* Integer constant */
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CFGTOK_STRCON, /* String constant */
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CFGTOK_IDENT, /* Identifier */
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CFGTOK_PLUS,
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CFGTOK_MINUS,
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CFGTOK_MUL,
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CFGTOK_DIV,
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CFGTOK_LPAR,
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CFGTOK_RPAR,
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CFGTOK_LCURLY,
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CFGTOK_RCURLY,
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CFGTOK_SEMI,
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CFGTOK_COMMA,
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CFGTOK_EQ,
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CFGTOK_COLON,
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CFGTOK_DOT,
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CFGTOK_EOF,
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/* Special identifiers */
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CFGTOK_MEMORY,
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CFGTOK_FILES,
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CFGTOK_SEGMENTS,
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CFGTOK_FORMATS,
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CFGTOK_FEATURES,
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CFGTOK_SYMBOLS,
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CFGTOK_START,
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CFGTOK_SIZE,
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CFGTOK_TYPE,
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CFGTOK_FILE,
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CFGTOK_DEFINE,
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CFGTOK_FILL,
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CFGTOK_FILLVAL,
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CFGTOK_EXPORT,
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CFGTOK_IMPORT,
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CFGTOK_OS,
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CFGTOK_ID,
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CFGTOK_VERSION,
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CFGTOK_FORMAT,
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CFGTOK_LOAD,
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CFGTOK_RUN,
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CFGTOK_ALIGN,
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CFGTOK_ALIGN_LOAD,
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CFGTOK_OFFSET,
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CFGTOK_OPTIONAL,
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CFGTOK_RO,
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CFGTOK_RW,
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CFGTOK_BSS,
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CFGTOK_ZP,
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CFGTOK_O65,
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CFGTOK_BIN,
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CFGTOK_SMALL,
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CFGTOK_LARGE,
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CFGTOK_TRUE,
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CFGTOK_FALSE,
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CFGTOK_LUNIX,
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CFGTOK_OSA65,
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CFGTOK_CC65,
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CFGTOK_OPENCBM,
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CFGTOK_CONDES,
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CFGTOK_STARTADDRESS,
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CFGTOK_ADDRSIZE,
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CFGTOK_VALUE,
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CFGTOK_WEAK,
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CFGTOK_ABS,
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CFGTOK_FAR,
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CFGTOK_LONG,
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CFGTOK_SEGMENT,
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CFGTOK_LABEL,
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CFGTOK_COUNT,
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CFGTOK_ORDER,
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CFGTOK_CONSTRUCTOR,
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CFGTOK_DESTRUCTOR,
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CFGTOK_INTERRUPTOR,
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CFGTOK_DECREASING,
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CFGTOK_INCREASING,
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CFGTOK_DEFAULT
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} cfgtok_t;
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/* Mapping table entry, special identifier --> token */
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typedef struct IdentTok IdentTok;
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struct IdentTok {
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const char* Ident; /* Identifier */
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cfgtok_t Tok; /* Token for identifier */
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};
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#define ENTRY_COUNT(s) (sizeof (s) / sizeof (s [0]))
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/* Current token and attributes */
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extern cfgtok_t CfgTok;
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extern StrBuf CfgSVal;
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extern unsigned long CfgIVal;
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/* Error location. PLEASE NOTE: I'm abusing the FilePos structure to some
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* degree. It is used mostly to hold a file position, where the Name member
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* is an index into the source file table of an object file. As used in config
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* file processing, the Name member is a string pool index instead. This is
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* distinguished by the object file pointer being NULL or not in the structs
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* where this is relevant.
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*/
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extern FilePos CfgErrorPos;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void CfgWarning (const FilePos* Pos, const char* Format, ...) attribute((format(printf,2,3)));
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/* Print a warning message adding file name and line number of the config file */
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void CfgError (const FilePos* Pos, const char* Format, ...) attribute((format(printf,2,3)));
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/* Print an error message adding file name and line number of a given file */
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void CfgNextTok (void);
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/* Read the next token from the input stream */
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void CfgConsume (cfgtok_t T, const char* Msg);
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/* Skip a token, print an error message if not found */
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void CfgConsumeSemi (void);
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/* Consume a semicolon */
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void CfgConsumeColon (void);
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/* Consume a colon */
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void CfgOptionalComma (void);
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/* Consume a comma if there is one */
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void CfgOptionalAssign (void);
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/* Consume an equal sign if there is one */
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void CfgAssureInt (void);
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/* Make sure the next token is an integer */
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void CfgAssureStr (void);
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/* Make sure the next token is a string constant */
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void CfgAssureIdent (void);
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/* Make sure the next token is an identifier */
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void CfgRangeCheck (unsigned long Lo, unsigned long Hi);
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/* Check the range of CfgIVal */
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void CfgSpecialToken (const IdentTok* Table, unsigned Size, const char* Name);
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/* Map an identifier to one of the special tokens in the table */
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void CfgBoolToken (void);
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/* Map an identifier or integer to a boolean token */
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void CfgSetName (const char* Name);
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/* Set a name for a config file */
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const char* CfgGetName (void);
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/* Get the name of the config file */
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void CfgSetBuf (const char* Buf);
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/* Set a memory buffer for the config */
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int CfgAvail (void);
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/* Return true if we have a configuration available */
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void CfgOpenInput (void);
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/* Open the input file if we have one */
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void CfgCloseInput (void);
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/* Close the input file if we have one */
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/* End of scanner.h */
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#endif
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