-/*
- * ctype.h
- *
- * Ullrich von Bassewitz, 03.06.1998
- *
- */
+/*****************************************************************************/
+/* */
+/* 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. */
+/* */
+/*****************************************************************************/
#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__ isspace (int c);
int __fastcall__ isupper (int c);
int __fastcall__ isxdigit (int c);
-#ifndef __STRICT_ANSI__
-int __fastcall__ isblank (int c); /* cc65 (and GNU) extension */
+#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 */
-
+int __fastcall__ toupper (int c); /* Always external */
+int __fastcall__ tolower (int c); /* Always external */
-
-/* When inlining of known function is enabled, overload most of the above
- * functions by macros. The function prototypes are again available after
- * #undef'ing the macros.
-*/
-#ifdef __OPT_s__
+#if __CC65_STD__ >= __CC65_STD_CC65__
+unsigned char __fastcall__ toascii (unsigned char c);
+/* Convert a target-specific character to ASCII. */
+#endif
-extern unsigned char _ctype[256];
-#define isalnum(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$07"), __AX__)
-#define isalpha(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$03"), __AX__)
-#define iscntrl(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$10"), __AX__)
-#define isdigit(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$04"), __AX__)
-#define isgraph(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\teor\t#$30\n\tand\t#$30"), __AX__)
-#define islower(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$01"), __AX__)
-#define isprint(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\teor\t#$10\n\tand\t#$10"), __AX__)
-#define ispunct(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\teor\t#$37\n\tand\t#$37"), __AX__)
-#define isspace(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$60"), __AX__)
-#define isupper(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$02"), __AX__)
-#define isxdigit(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$08"), __AX__)
-
-#ifndef __STRICT_ANSI__
-/* cc65 and GNU extension */
-#define isblank(c) (__AX__ = (c), __asm__ ("\ttay\n\tlda\t__ctype,y\n\tand\t#$80"), __AX__)
+/* When --eagerly-inline-funcs 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 --eagerly-inline-funcs, or #undefine the following macroes.
+*/
+#ifdef __EAGERLY_INLINE_FUNCS__
+
+#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
projects / cc65 / blobdiff