mirror of
https://github.com/cc65/cc65.git
synced 2024-12-24 11:31:31 +00:00
186 lines
8.2 KiB
C
186 lines
8.2 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* ctype.h */
|
|
/* */
|
|
/* Character handling */
|
|
/* */
|
|
/* */
|
|
/* */
|
|
/* (C) 1998-2013, Ullrich von Bassewitz */
|
|
/* Roemerstrasse 52 */
|
|
/* D-70794 Filderstadt */
|
|
/* EMail: uz@cc65.org */
|
|
/* */
|
|
/* */
|
|
/* 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 _CTYPE_H
|
|
#define _CTYPE_H
|
|
|
|
|
|
/* The array containing character classification data */
|
|
extern unsigned char _ctype[256];
|
|
|
|
/* Bits used to specify character classes */
|
|
#define _CT_LOWER 0x01 /* 0 - Lower case char */
|
|
#define _CT_UPPER 0x02 /* 1 - Upper case char */
|
|
#define _CT_DIGIT 0x04 /* 2 - Numeric digit */
|
|
#define _CT_XDIGIT 0x08 /* 3 - Hex digit (both lower and upper) */
|
|
#define _CT_CNTRL 0x10 /* 4 - Control character */
|
|
#define _CT_SPACE 0x20 /* 5 - The space character itself */
|
|
#define _CT_OTHER_WS 0x40 /* 6 - Other whitespace ('\f', '\n', '\r', '\t', and '\v') */
|
|
#define _CT_SPACE_TAB 0x80 /* 7 - Space or tab character */
|
|
|
|
/* Bit combinations */
|
|
#define _CT_ALNUM (_CT_LOWER | _CT_UPPER | _CT_DIGIT)
|
|
#define _CT_ALPHA (_CT_LOWER | _CT_UPPER)
|
|
#define _CT_NOT_GRAPH (_CT_CNTRL | _CT_SPACE)
|
|
#define _CT_NOT_PRINT (_CT_CNTRL)
|
|
#define _CT_NOT_PUNCT (_CT_SPACE | _CT_CNTRL | _CT_DIGIT | _CT_UPPER | _CT_LOWER)
|
|
#define _CT_WS (_CT_SPACE | _CT_OTHER_WS)
|
|
|
|
/* Character classification functions */
|
|
int __fastcall__ isalnum (int c);
|
|
int __fastcall__ isalpha (int c);
|
|
int __fastcall__ iscntrl (int c);
|
|
int __fastcall__ isdigit (int c);
|
|
int __fastcall__ isgraph (int c);
|
|
int __fastcall__ islower (int c);
|
|
int __fastcall__ isprint (int c);
|
|
int __fastcall__ ispunct (int c);
|
|
int __fastcall__ isspace (int c);
|
|
int __fastcall__ isupper (int c);
|
|
int __fastcall__ isxdigit (int c);
|
|
#if __CC65_STD__ >= __CC65_STD_C99__
|
|
int __fastcall__ isblank (int c); /* New in C99 */
|
|
#endif
|
|
|
|
int __fastcall__ toupper (int c); /* Always external */
|
|
int __fastcall__ tolower (int c); /* Always external */
|
|
|
|
#if __CC65_STD__ >= __CC65_STD_CC65__
|
|
unsigned char __fastcall__ toascii (unsigned char c);
|
|
/* Convert a target-specific character to ASCII. */
|
|
#endif
|
|
|
|
|
|
|
|
/* When inlining-of-known-functions is enabled, overload most of the above
|
|
* functions by macroes. The function prototypes are available again after
|
|
* #undef'ing the macroes.
|
|
* Please note that the following macroes do NOT handle EOF correctly, as
|
|
* stated in the manual. If you need correct behaviour for EOF, don't
|
|
* use -Os, or #undefine the following macroes.
|
|
*/
|
|
#ifdef __OPT_s__
|
|
|
|
#define isalnum(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_ALNUM), \
|
|
__AX__)
|
|
|
|
#define isalpha(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_ALPHA), \
|
|
__AX__)
|
|
|
|
#if __CC65_STD__ >= __CC65_STD_C99__
|
|
#define isblank(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_SPACE_TAB), \
|
|
__AX__)
|
|
#endif
|
|
|
|
#define iscntrl(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_CNTRL), \
|
|
__AX__)
|
|
|
|
#define isdigit(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_DIGIT), \
|
|
__AX__)
|
|
|
|
#define isgraph(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_NOT_GRAPH), \
|
|
__asm__ ("cmp #1"), \
|
|
__asm__ ("lda #1"), \
|
|
__asm__ ("sbc #1"), \
|
|
__AX__)
|
|
|
|
#define islower(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_LOWER), \
|
|
__AX__)
|
|
|
|
#define isprint(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_NOT_PRINT), \
|
|
__asm__ ("eor #%b", _CT_NOT_PRINT), \
|
|
__AX__)
|
|
|
|
#define ispunct(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_NOT_PUNCT), \
|
|
__asm__ ("cmp #1"), \
|
|
__asm__ ("lda #1"), \
|
|
__asm__ ("sbc #1"), \
|
|
__AX__)
|
|
|
|
#define isspace(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_WS), \
|
|
__AX__)
|
|
|
|
#define isupper(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_UPPER), \
|
|
__AX__)
|
|
|
|
#define isxdigit(c) (__AX__ = (c), \
|
|
__asm__ ("tay"), \
|
|
__asm__ ("lda %v,y", _ctype), \
|
|
__asm__ ("and #%b", _CT_XDIGIT), \
|
|
__AX__)
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* End of ctype.h */
|
|
#endif
|
|
|
|
|
|
|