From cfc2e3766da84de407f482bed67d05e2ac194418 Mon Sep 17 00:00:00 2001 From: cuz Date: Sun, 9 Sep 2001 21:19:05 +0000 Subject: [PATCH] Use the new __asm__ syntax git-svn-id: svn://svn.cc65.org/cc65/trunk@886 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- include/ctype.h | 117 +++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 100 insertions(+), 17 deletions(-) diff --git a/include/ctype.h b/include/ctype.h index f1b5a8d51..38308f41c 100644 --- a/include/ctype.h +++ b/include/ctype.h @@ -37,7 +37,28 @@ #define _CTYPE_H +/* The array containing character classification data */ +extern unsigned char _ctype[256]; +/* Bits used to specify characters 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); @@ -61,26 +82,88 @@ 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. -*/ + * Please note that the following macros 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 macros. + */ #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__) + +#ifndef STRICT_ANSI +#define isblank(c) (__AX__ = (c), \ + __asm__ ("tay"), \ + __asm__ ("lda %v,y", _ctype), \ + __asm__ ("and #%b", _CT_SPACE_TAB), \ + __AX__) +#endif -extern unsigned char _ctype[256]; - -#define isalnum(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$07"), __AX__) -#define isalpha(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$03"), __AX__) -#define isblank(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$80"), __AX__) -#define iscntrl(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$10"), __AX__) -#define isdigit(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$04"), __AX__) -#define isgraph(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n eor #$30\n and #$30"), __AX__) -#define islower(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$01"), __AX__) -#define isprint(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n eor #$10\n and #$10"), __AX__) -#define ispunct(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n eor #$37\n and #$37"), __AX__) -#define isspace(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$60"), __AX__) -#define isupper(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$02"), __AX__) -#define isxdigit(c) (__AX__ = (c), __asm__ ("tay\n lda __ctype,y\n and #$08"), __AX__) - - +#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__ ("eor #%b", _CT_NOT_GRAPH), \ + __asm__ ("and #%b", _CT_NOT_GRAPH), \ + __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__ ("eor #%b", _CT_NOT_PRINT), \ + __asm__ ("and #%b", _CT_NOT_PRINT), \ + __AX__) + +#define ispunct(c) (__AX__ = (c), \ + __asm__ ("tay"), \ + __asm__ ("lda %v,y", _ctype), \ + __asm__ ("eor #%b", _CT_NOT_PUNCT), \ + __asm__ ("and #%b", _CT_NOT_PUNCT), \ + __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 -- 2.39.5