/*****************************************************************************/ /* */ /* scanner.h */ /* */ /* The scanner for the ca65 macroassembler */ /* */ /* */ /* */ /* (C) 1998-2000 Ullrich von Bassewitz */ /* Wacholderweg 14 */ /* D-70597 Stuttgart */ /* EMail: uz@musoftware.de */ /* */ /* */ /* This software is provided 'as-is', without any expressed or implied */ /* warranty. In no event will the authors be held liable for any damages */ /* arising from the use of this software. */ /* */ /* Permission is granted to anyone to use this software for any purpose, */ /* including commercial applications, and to alter it and redistribute it */ /* freely, subject to the following restrictions: */ /* */ /* 1. The origin of this software must not be misrepresented; you must not */ /* claim that you wrote the original software. If you use this software */ /* in a product, an acknowledgment in the product documentation would be */ /* appreciated but is not required. */ /* 2. Altered source versions must be plainly marked as such, and must not */ /* be misrepresented as being the original software. */ /* 3. This notice may not be removed or altered from any source */ /* distribution. */ /* */ /*****************************************************************************/ #ifndef SCANNER_H #define SCANNER_H #include "../common/filepos.h" /*****************************************************************************/ /* Data */ /*****************************************************************************/ /* Tokens */ enum Token { TOK_NONE, /* Start value, invalid */ TOK_EOF, /* End of input file */ TOK_SEP, /* Separator (usually newline) */ TOK_IDENT, /* An identifier */ TOK_MNEMO, /* A mnemonic */ TOK_INTCON, /* Integer constant */ TOK_CHARCON, /* Character constant */ TOK_STRCON, /* String constant */ TOK_A, /* A)ccu */ TOK_X, /* X register */ TOK_Y, /* Y register */ TOK_S, /* S register */ TOK_ULABEL, /* :++ or :-- */ TOK_EQ, /* = */ TOK_NE, /* <> */ TOK_LT, /* < */ TOK_GT, /* > */ TOK_LE, /* <= */ TOK_GE, /* >= */ TOK_BAND, /* .and */ TOK_BOR, /* .or */ TOK_BXOR, /* .xor */ TOK_BNOT, /* .not */ TOK_PLUS, /* + */ TOK_MINUS, /* - */ TOK_MUL, /* * */ TOK_STAR = TOK_MUL, /* Alias */ TOK_DIV, /* / */ TOK_MOD, /* ! */ TOK_OR, /* | */ TOK_XOR, /* ^ */ TOK_AND, /* & */ TOK_SHL, /* << */ TOK_SHR, /* >> */ TOK_NOT, /* ~ */ TOK_PC, /* $ if enabled */ TOK_NAMESPACE, /* :: */ TOK_DOT, /* . */ TOK_COMMA, /* , */ TOK_HASH, /* # */ TOK_COLON, /* : */ TOK_LPAREN, /* ( */ TOK_RPAREN, /* ) */ TOK_LBRACK, /* [ */ TOK_RBRACK, /* ] */ TOK_MACPARAM, /* Macro parameter, not generated by scanner */ /* The next ones are tokens for the pseudo instructions. Keep together! */ TOK_FIRSTPSEUDO, TOK_A16 = TOK_FIRSTPSEUDO, TOK_A8, TOK_ADDR, TOK_ALIGN, TOK_ASCIIZ, TOK_AUTOIMPORT, TOK_BLANK, TOK_BSS, TOK_BYTE, TOK_CASE, TOK_CODE, TOK_CONCAT, TOK_CONST, TOK_CPU, TOK_DATA, TOK_DBYT, TOK_DEBUGINFO, TOK_DEFINE, TOK_DEFINED, TOK_DWORD, TOK_ELSE, TOK_ELSEIF, TOK_END, TOK_ENDIF, TOK_ENDMACRO, TOK_ENDPROC, TOK_ENDREP, TOK_ERROR, TOK_EXITMACRO, TOK_EXPORT, TOK_EXPORTZP, TOK_FARADDR, TOK_FEATURE, TOK_FILEOPT, TOK_GLOBAL, TOK_GLOBALZP, TOK_I16, TOK_I8, TOK_IF, TOK_IFBLANK, TOK_IFCONST, TOK_IFDEF, TOK_IFNBLANK, TOK_IFNCONST, TOK_IFNDEF, TOK_IFNREF, TOK_IFP02, TOK_IFP816, TOK_IFPC02, TOK_IFREF, TOK_IMPORT, TOK_IMPORTZP, TOK_INCBIN, TOK_INCLUDE, TOK_LINECONT, TOK_LIST, TOK_LISTBYTES, TOK_LOCAL, TOK_LOCALCHAR, TOK_MACPACK, TOK_MACRO, TOK_MATCH, TOK_MID, TOK_NULL, TOK_ORG, TOK_OUT, TOK_P02, TOK_P816, TOK_PAGELENGTH, TOK_PARAMCOUNT, TOK_PC02, TOK_PROC, TOK_REFERENCED, TOK_RELOC, TOK_REPEAT, TOK_RES, TOK_RODATA, TOK_SEGMENT, TOK_SMART, TOK_STRING, TOK_SUNPLUS, TOK_WORD, TOK_XMATCH, TOK_ZEROPAGE, TOK_LASTPSEUDO = TOK_ZEROPAGE, TOK_COUNT /* Count of tokens */ }; /* Scanner variables */ #define MAX_INPUT_FILES 254 /* No more than this files total */ #define MAX_STR_LEN 255 /* Maximum length of any string */ extern enum Token Tok; /* Current token */ extern int WS; /* Flag: Whitespace before token */ extern long IVal; /* Integer token attribute */ extern char SVal [MAX_STR_LEN+1]; /* String token attribute */ extern FilePos CurPos; /* Name and position in file */ extern int ForcedEnd; /* Force end of assembly */ /*****************************************************************************/ /* Code */ /*****************************************************************************/ const char* GetFileName (unsigned char Name); /* Get the name of a file where the name index is known */ void NewInputFile (const char* Name); /* Open a new input file */ void DoneInputFile (void); /* Close the current input file */ void NewInputData (const char* Data, int Malloced); /* Add a chunk of input data to the input stream */ void UpcaseSVal (void); /* Make SVal upper case */ void NextRawTok (void); /* Read the next raw token from the input stream */ int TokHasSVal (enum Token Tok); /* Return true if the given token has an attached SVal */ int TokHasIVal (enum Token Tok); /* Return true if the given token has an attached IVal */ int GetSubKey (const char** Keys, unsigned Count); /* Search for a subkey in a table of keywords. The current token must be an * identifier and all keys must be in upper case. The identifier will be * uppercased in the process. The function returns the index of the keyword, * or -1 if the keyword was not found. */ void WriteFiles (void); /* Write the list of input files to the object file */ void InitScanner (const char* InFile); /* Initialize the scanner, open the given input file */ void DoneScanner (void); /* Release scanner resources */ /* End of scanner.h */ #endif