/*****************************************************************************/
/* */
-/* scanner.h */
+/* scanner.h */
/* */
-/* The scanner for the ca65 macroassembler */
+/* The scanner for the ca65 macroassembler */
/* */
/* */
/* */
-/* (C) 1998-2000 Ullrich von Bassewitz */
-/* Wacholderweg 14 */
-/* D-70597 Stuttgart */
-/* EMail: uz@musoftware.de */
+/* (C) 1998-2011, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
-#include "../common/filepos.h"
+/* ca65 */
+#include "token.h"
/*****************************************************************************/
-/* Data */
+/* 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_LEFT,
- 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_RIGHT,
- 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 */
+extern Token CurTok; /* Current input token incl. attributes */
+extern int ForcedEnd; /* Force end of assembly */
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
-const char* GetFileName (unsigned char Name);
-/* Get the name of a file where the name index is known */
+int IsIdChar (int C);
+/* Return true if the character is a valid character for an identifier */
-void NewInputFile (const char* Name);
-/* Open a new input file */
+int IsIdStart (int C);
+/* Return true if the character may start an identifier */
-void DoneInputFile (void);
-/* Close the current input file */
+int NewInputFile (const char* Name);
+/* Open a new input file. Returns true if the file could be successfully opened
+** and false otherwise.
+*/
-void NewInputData (const char* Data, int Malloced);
+void NewInputData (char* Text, int Malloced);
/* Add a chunk of input data to the input stream */
+void LocaseSVal (void);
+/* Make SVal lower case */
+
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);
+int GetSubKey (const char* const* 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.
- */
+** 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 */
+unsigned char ParseAddrSize (void);
+/* Check if the next token is a keyword that denotes an address size specifier.
+** If so, return the corresponding address size constant, otherwise output an
+** error message and return ADDR_SIZE_DEFAULT.
+*/
void InitScanner (const char* InFile);
/* Initialize the scanner, open the given input file */
/* End of scanner.h */
#endif
-
-
-
projects / cc65 / blobdiff