X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=handy.h;h=851f3482286e4ab6bceb341699a6eef59282fa45;hb=20ce7b12268a3d32b5b246928de5084322e709cf;hp=ee31bf03d7d608d9386aaafc0bbf0ca62312bcc2;hpb=44ae4f4f163d5d4bc77d7abbfbe6ab893202d9d4;p=p5sagit%2Fp5-mst-13.2.git diff --git a/handy.h b/handy.h index ee31bf0..851f348 100644 --- a/handy.h +++ b/handy.h @@ -1,6 +1,6 @@ /* handy.h * - * Copyright (c) 1991-1994, Larry Wall + * Copyright (c) 1991-1999, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -32,6 +32,11 @@ #define TRUE (1) #define FALSE (0) + +/* XXX Configure ought to have a test for a boolean type, if I can + just figure out all the headers such a test needs. + Andy Dougherty August 1996 +*/ /* bool is built-in for g++-2.6.3, which might be used for an extension. If the extension includes <_G_config.h> before this file then _G_HAVE_BOOL will be properly set. If, however, the extension includes @@ -49,7 +54,7 @@ /* The NeXT dynamic loader headers will not build with the bool macro So declare them now to clear confusion. */ -#ifdef NeXT +#if defined(NeXT) || defined(__NeXT__) # undef FALSE # undef TRUE typedef enum bool { FALSE = 0, TRUE = 1 } bool; @@ -57,31 +62,112 @@ # ifndef HAS_BOOL # define HAS_BOOL 1 # endif /* !HAS_BOOL */ -#endif /* NeXT */ +#endif /* NeXT || __NeXT__ */ #ifndef HAS_BOOL -# ifdef UTS +# if defined(UTS) || defined(VMS) # define bool int # else # define bool char # endif #endif +/* XXX A note on the perl source internal type system. The + original intent was that I32 be *exactly* 32 bits. + + Currently, we only guarantee that I32 is *at least* 32 bits. + Specifically, if int is 64 bits, then so is I32. (This is the case + for the Cray.) This has the advantage of meshing nicely with + standard library calls (where we pass an I32 and the library is + expecting an int), but the disadvantage that an I32 is not 32 bits. + Andy Dougherty August 1996 + + There is no guarantee that there is *any* integral type with + exactly 32 bits. It is perfectly legal for a system to have + sizeof(short) == sizeof(int) == sizeof(long) == 8. + + Similarly, there is no guarantee that I16 and U16 have exactly 16 + bits. + + For dealing with issues that may arise from various 32/64-bit + systems, we will ask Configure to check out + SHORTSIZE == sizeof(short) + INTSIZE == sizeof(int) + LONGSIZE == sizeof(long) + LONGLONGSIZE == sizeof(long long) (if HAS_LONG_LONG) + PTRSIZE == sizeof(void *) + DOUBLESIZE == sizeof(double) + LONG_DOUBLESIZE == sizeof(long double) (if HAS_LONG_DOUBLE). + Most of these are currently unused, but they are mentioned here so + metaconfig will include the appropriate tests in Configure and + we can then start to consider how best to deal with long long + variables. + Andy Dougherty April 1998 +*/ + +#if defined(UINT8_MAX) && defined(INT16_MAX) && defined(INT32_MAX) + +typedef int8_t I8; +typedef uint8_t U8; +/* I8_MAX and I8_MIN constants are not defined, as I8 is an ambiguous type. + Please search CHAR_MAX in perl.h for further details. */ +#define U8_MAX UINT8_MAX +#define U8_MIN UINT8_MIN + +typedef int16_t I16; +typedef uint16_t U16; +#define I16_MAX INT16_MAX +#define I16_MIN INT16_MIN +#define U16_MAX UINT16_MAX +#define U16_MIN UINT16_MIN + +typedef int32_t I32; +typedef uint32_t U32; +#define I32_MAX INT32_MAX +#define I32_MIN INT32_MIN +#define U32_MAX UINT32_MAX +#define U32_MIN UINT32_MIN + +#else + typedef char I8; typedef unsigned char U8; +/* I8_MAX and I8_MIN constants are not defined, as I8 is an ambiguous type. + Please search CHAR_MAX in perl.h for further details. */ +#define U8_MAX PERL_UCHAR_MAX +#define U8_MIN PERL_UCHAR_MIN +/* Beware. SHORTSIZE > 2 in Cray C90ties. */ typedef short I16; typedef unsigned short U16; +#define I16_MAX PERL_SHORT_MAX +#define I16_MIN PERL_SHORT_MIN +#define U16_MAX PERL_USHORT_MAX +#define U16_MIN PERL_USHORT_MIN -#if BYTEORDER > 0x4321 +#if LONGSIZE > 4 typedef int I32; typedef unsigned int U32; +# define I32_MAX PERL_INT_MAX +# define I32_MIN PERL_INT_MIN +# define U32_MAX PERL_UINT_MAX +# define U32_MIN PERL_UINT_MIN #else typedef long I32; typedef unsigned long U32; +# define I32_MAX PERL_LONG_MAX +# define I32_MIN PERL_LONG_MIN +# define U32_MAX PERL_ULONG_MAX +# define U32_MIN PERL_ULONG_MIN #endif -#define Ctl(ch) (ch & 037) +#endif + +#define BIT_DIGITS(N) (((N)*146)/485 + 1) /* log2(10) =~ 146/485 */ +#define TYPE_DIGITS(T) BIT_DIGITS(sizeof(T) * 8) +#define TYPE_CHARS(T) (TYPE_DIGITS(T) + 2) /* sign, NUL */ + +#define Ctl(ch) ((ch) & 037) #define strNE(s1,s2) (strcmp(s1,s2)) #define strEQ(s1,s2) (!strcmp(s1,s2)) @@ -92,46 +178,159 @@ typedef unsigned short U16; #define strnNE(s1,s2,l) (strncmp(s1,s2,l)) #define strnEQ(s1,s2,l) (!strncmp(s1,s2,l)) +#ifdef HAS_MEMCMP +# define memNE(s1,s2,l) (memcmp(s1,s2,l)) +# define memEQ(s1,s2,l) (!memcmp(s1,s2,l)) +#else +# define memNE(s1,s2,l) (bcmp(s1,s2,l)) +# define memEQ(s1,s2,l) (!bcmp(s1,s2,l)) +#endif + +/* + * Character classes. + * + * Unfortunately, the introduction of locales means that we + * can't trust isupper(), etc. to tell the truth. And when + * it comes to /\w+/ with tainting enabled, we *must* be able + * to trust our character classes. + * + * Therefore, the default tests in the text of Perl will be + * independent of locale. Any code that wants to depend on + * the current locale will use the tests that begin with "lc". + */ + #ifdef HAS_SETLOCALE /* XXX Is there a better test for this? */ # ifndef CTYPE256 # define CTYPE256 # endif #endif -#ifdef USE_NEXT_CTYPE -#define isALNUM(c) (NXIsAlpha((unsigned int)c) || NXIsDigit((unsigned int)c) || c == '_') -#define isIDFIRST(c) (NXIsAlpha((unsigned int)c) || c == '_') -#define isALPHA(c) NXIsAlpha((unsigned int)c) -#define isSPACE(c) NXIsSpace((unsigned int)c) -#define isDIGIT(c) NXIsDigit((unsigned int)c) -#define isUPPER(c) NXIsUpper((unsigned int)c) -#define isLOWER(c) NXIsLower((unsigned int)c) -#define toUPPER(c) NXToUpper((unsigned int)c) -#define toLOWER(c) NXToLower((unsigned int)c) -#else /* USE_NEXT_CTYPE */ -#if defined(CTYPE256) || (!defined(isascii) && !defined(HAS_ISASCII)) -#define isALNUM(c) (isalpha((unsigned char)(c)) || isdigit((unsigned char)(c)) || c == '_') -#define isIDFIRST(c) (isalpha((unsigned char)(c)) || (c) == '_') -#define isALPHA(c) isalpha((unsigned char)(c)) -#define isSPACE(c) isspace((unsigned char)(c)) -#define isDIGIT(c) isdigit((unsigned char)(c)) -#define isUPPER(c) isupper((unsigned char)(c)) -#define isLOWER(c) islower((unsigned char)(c)) -#define toUPPER(c) toupper((unsigned char)(c)) -#define toLOWER(c) tolower((unsigned char)(c)) +#define isALNUM(c) (isALPHA(c) || isDIGIT(c) || (c) == '_') +#define isIDFIRST(c) (isALPHA(c) || (c) == '_') +#define isALPHA(c) (isUPPER(c) || isLOWER(c)) +#define isSPACE(c) \ + ((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) =='\r' || (c) == '\f') +#define isDIGIT(c) ((c) >= '0' && (c) <= '9') +#ifdef EBCDIC + /* In EBCDIC we do not do locales: therefore() isupper() is fine. */ +# define isUPPER(c) isupper(c) +# define isLOWER(c) islower(c) +# define isPRINT(c) isprint(c) +# define toUPPER(c) toupper(c) +# define toLOWER(c) tolower(c) #else -#define isALNUM(c) (isascii(c) && (isalpha(c) || isdigit(c) || c == '_')) -#define isIDFIRST(c) (isascii(c) && (isalpha(c) || (c) == '_')) -#define isALPHA(c) (isascii(c) && isalpha(c)) -#define isSPACE(c) (isascii(c) && isspace(c)) -#define isDIGIT(c) (isascii(c) && isdigit(c)) -#define isUPPER(c) (isascii(c) && isupper(c)) -#define isLOWER(c) (isascii(c) && islower(c)) -#define toUPPER(c) toupper(c) -#define toLOWER(c) tolower(c) +# define isUPPER(c) ((c) >= 'A' && (c) <= 'Z') +# define isLOWER(c) ((c) >= 'a' && (c) <= 'z') +# define isPRINT(c) (((c) > 32 && (c) < 127) || isSPACE(c)) +# define toUPPER(c) (isLOWER(c) ? (c) - ('a' - 'A') : (c)) +# define toLOWER(c) (isUPPER(c) ? (c) + ('a' - 'A') : (c)) #endif + +#ifdef USE_NEXT_CTYPE + +# define isALNUM_LC(c) \ + (NXIsAlpha((unsigned int)(c)) || NXIsDigit((unsigned int)(c)) || \ + (char)(c) == '_') +# define isIDFIRST_LC(c) \ + (NXIsAlpha((unsigned int)(c)) || (char)(c) == '_') +# define isALPHA_LC(c) NXIsAlpha((unsigned int)(c)) +# define isSPACE_LC(c) NXIsSpace((unsigned int)(c)) +# define isDIGIT_LC(c) NXIsDigit((unsigned int)(c)) +# define isUPPER_LC(c) NXIsUpper((unsigned int)(c)) +# define isLOWER_LC(c) NXIsLower((unsigned int)(c)) +# define isPRINT_LC(c) NXIsPrint((unsigned int)(c)) +# define toUPPER_LC(c) NXToUpper((unsigned int)(c)) +# define toLOWER_LC(c) NXToLower((unsigned int)(c)) + +#else /* !USE_NEXT_CTYPE */ +# if defined(CTYPE256) || (!defined(isascii) && !defined(HAS_ISASCII)) + +# define isALNUM_LC(c) \ + (isalpha((unsigned char)(c)) || \ + isdigit((unsigned char)(c)) || (char)(c) == '_') +# define isIDFIRST_LC(c) (isalpha((unsigned char)(c)) || (char)(c) == '_') +# define isALPHA_LC(c) isalpha((unsigned char)(c)) +# define isSPACE_LC(c) isspace((unsigned char)(c)) +# define isDIGIT_LC(c) isdigit((unsigned char)(c)) +# define isUPPER_LC(c) isupper((unsigned char)(c)) +# define isLOWER_LC(c) islower((unsigned char)(c)) +# define isPRINT_LC(c) isprint((unsigned char)(c)) +# define toUPPER_LC(c) toupper((unsigned char)(c)) +# define toLOWER_LC(c) tolower((unsigned char)(c)) + +# else + +# define isALNUM_LC(c) \ + (isascii(c) && (isalpha(c) || isdigit(c) || (c) == '_')) +# define isIDFIRST_LC(c) (isascii(c) && (isalpha(c) || (c) == '_')) +# define isALPHA_LC(c) (isascii(c) && isalpha(c)) +# define isSPACE_LC(c) (isascii(c) && isspace(c)) +# define isDIGIT_LC(c) (isascii(c) && isdigit(c)) +# define isUPPER_LC(c) (isascii(c) && isupper(c)) +# define isLOWER_LC(c) (isascii(c) && islower(c)) +# define isPRINT_LC(c) (isascii(c) && isprint(c)) +# define toUPPER_LC(c) toupper(c) +# define toLOWER_LC(c) tolower(c) + +# endif #endif /* USE_NEXT_CTYPE */ +#define isALNUM_uni(c) is_uni_alnum(c) +#define isIDFIRST_uni(c) is_uni_idfirst(c) +#define isALPHA_uni(c) is_uni_alpha(c) +#define isSPACE_uni(c) is_uni_space(c) +#define isDIGIT_uni(c) is_uni_digit(c) +#define isUPPER_uni(c) is_uni_upper(c) +#define isLOWER_uni(c) is_uni_lower(c) +#define isPRINT_uni(c) is_uni_print(c) +#define toUPPER_uni(c) to_uni_upper(c) +#define toTITLE_uni(c) to_uni_title(c) +#define toLOWER_uni(c) to_uni_lower(c) + +#define isALNUM_LC_uni(c) (c < 256 ? isALNUM_LC(c) : is_uni_alnum_lc(c)) +#define isIDFIRST_LC_uni(c) (c < 256 ? isIDFIRST_LC(c) : is_uni_idfirst_lc(c)) +#define isALPHA_LC_uni(c) (c < 256 ? isALPHA_LC(c) : is_uni_alpha_lc(c)) +#define isSPACE_LC_uni(c) (c < 256 ? isSPACE_LC(c) : is_uni_space_lc(c)) +#define isDIGIT_LC_uni(c) (c < 256 ? isDIGIT_LC(c) : is_uni_digit_lc(c)) +#define isUPPER_LC_uni(c) (c < 256 ? isUPPER_LC(c) : is_uni_upper_lc(c)) +#define isLOWER_LC_uni(c) (c < 256 ? isLOWER_LC(c) : is_uni_lower_lc(c)) +#define isPRINT_LC_uni(c) (c < 256 ? isPRINT_LC(c) : is_uni_print_lc(c)) +#define toUPPER_LC_uni(c) (c < 256 ? toUPPER_LC(c) : to_uni_upper_lc(c)) +#define toTITLE_LC_uni(c) (c < 256 ? toUPPER_LC(c) : to_uni_title_lc(c)) +#define toLOWER_LC_uni(c) (c < 256 ? toLOWER_LC(c) : to_uni_lower_lc(c)) + +#define isALNUM_utf8(p) is_utf8_alnum(p) +#define isIDFIRST_utf8(p) is_utf8_idfirst(p) +#define isALPHA_utf8(p) is_utf8_alpha(p) +#define isSPACE_utf8(p) is_utf8_space(p) +#define isDIGIT_utf8(p) is_utf8_digit(p) +#define isUPPER_utf8(p) is_utf8_upper(p) +#define isLOWER_utf8(p) is_utf8_lower(p) +#define isPRINT_utf8(p) is_utf8_print(p) +#define toUPPER_utf8(p) to_utf8_upper(p) +#define toTITLE_utf8(p) to_utf8_title(p) +#define toLOWER_utf8(p) to_utf8_lower(p) + +#define isALNUM_LC_utf8(p) isALNUM_LC_uni(utf8_to_uv(p, 0)) +#define isIDFIRST_LC_utf8(p) isIDFIRST_LC_uni(utf8_to_uv(p, 0)) +#define isALPHA_LC_utf8(p) isALPHA_LC_uni(utf8_to_uv(p, 0)) +#define isSPACE_LC_utf8(p) isSPACE_LC_uni(utf8_to_uv(p, 0)) +#define isDIGIT_LC_utf8(p) isDIGIT_LC_uni(utf8_to_uv(p, 0)) +#define isUPPER_LC_utf8(p) isUPPER_LC_uni(utf8_to_uv(p, 0)) +#define isLOWER_LC_utf8(p) isLOWER_LC_uni(utf8_to_uv(p, 0)) +#define isPRINT_LC_utf8(p) isPRINT_LC_uni(utf8_to_uv(p, 0)) +#define toUPPER_LC_utf8(p) toUPPER_LC_uni(utf8_to_uv(p, 0)) +#define toTITLE_LC_utf8(p) toTITLE_LC_uni(utf8_to_uv(p, 0)) +#define toLOWER_LC_utf8(p) toLOWER_LC_uni(utf8_to_uv(p, 0)) + +#ifdef EBCDIC +EXT int ebcdic_control (int); +# define toCTRL(c) ebcdic_control(c) +#else + /* This conversion works both ways, strangely enough. */ +# define toCTRL(c) (toUPPER(c) ^ 64) +#endif + /* Line numbers are unsigned, 16 bits. */ typedef U16 line_t; #ifdef lint @@ -140,64 +339,76 @@ typedef U16 line_t; #define NOLINE ((line_t) 65535) #endif + +/* This looks obsolete (IZ): + + XXX LEAKTEST doesn't really work in perl5. There are direct calls to + safemalloc() in the source, so LEAKTEST won't pick them up. + Further, if you try LEAKTEST, you'll also end up calling + Safefree, which might call safexfree() on some things that weren't + malloced with safexmalloc. The correct "fix" to this, if anyone + is interested, is to ensure that all calls go through the New and + Renew macros. + --Andy Dougherty August 1996 +*/ + #ifndef lint + +#define NEWSV(x,len) newSV(len) + #ifndef LEAKTEST -#ifndef safemalloc -Malloc_t safemalloc _((MEM_SIZE)); -Malloc_t saferealloc _((Malloc_t, MEM_SIZE)); -Free_t safefree _((Malloc_t)); -Malloc_t safecalloc _((MEM_SIZE, MEM_SIZE)); -#endif -#ifndef MSDOS -#define New(x,v,n,t) (v = (t*)safemalloc((MEM_SIZE)((n) * sizeof(t)))) -#define Newc(x,v,n,t,c) (v = (c*)safemalloc((MEM_SIZE)((n) * sizeof(t)))) -#define Newz(x,v,n,t) (v = (t*)safemalloc((MEM_SIZE)((n) * sizeof(t)))), \ - memzero((char*)(v), (n) * sizeof(t)) -#define Renew(v,n,t) (v = (t*)saferealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) -#define Renewc(v,n,t,c) (v = (c*)saferealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) -#else -#define New(x,v,n,t) (v = (t*)safemalloc(((unsigned long)(n) * sizeof(t)))) -#define Newc(x,v,n,t,c) (v = (c*)safemalloc(((unsigned long)(n) * sizeof(t)))) -#define Newz(x,v,n,t) (v = (t*)safemalloc(((unsigned long)(n) * sizeof(t)))), \ - memzero((char*)(v), (n) * sizeof(t)) -#define Renew(v,n,t) (v = (t*)saferealloc((Malloc_t)(v),((unsigned long)(n)*sizeof(t)))) -#define Renewc(v,n,t,c) (v = (c*)saferealloc((Malloc_t)(v),((unsigned long)(n)*sizeof(t)))) -#endif /* MSDOS */ -#define Safefree(d) safefree((Malloc_t)(d)) -#define NEWSV(x,len) newSV(len) + +#define New(x,v,n,t) (v = (t*)safemalloc((MEM_SIZE)((n)*sizeof(t)))) +#define Newc(x,v,n,t,c) (v = (c*)safemalloc((MEM_SIZE)((n)*sizeof(t)))) +#define Newz(x,v,n,t) (v = (t*)safemalloc((MEM_SIZE)((n)*sizeof(t)))), \ + memzero((char*)(v), (n)*sizeof(t)) +#define Renew(v,n,t) \ + (v = (t*)saferealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) +#define Renewc(v,n,t,c) \ + (v = (c*)saferealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) +#define Safefree(d) safefree((Malloc_t)(d)) + #else /* LEAKTEST */ -Malloc_t safexmalloc(); -Malloc_t safexrealloc(); -Free_t safexfree(); -Malloc_t safexcalloc(); -#define New(x,v,n,t) (v = (t*)safexmalloc(x,(MEM_SIZE)((n) * sizeof(t)))) -#define Newc(x,v,n,t,c) (v = (c*)safexmalloc(x,(MEM_SIZE)((n) * sizeof(t)))) -#define Newz(x,v,n,t) (v = (t*)safexmalloc(x,(MEM_SIZE)((n) * sizeof(t)))), \ - memzero((char*)(v), (n) * sizeof(t)) -#define Renew(v,n,t) (v = (t*)safexrealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) -#define Renewc(v,n,t,c) (v = (c*)safexrealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) -#define Safefree(d) safexfree((Malloc_t)d) -#define NEWSV(x,len) newSV(x,len) -#define MAXXCOUNT 1200 -long xcount[MAXXCOUNT]; -long lastxcount[MAXXCOUNT]; + +#define New(x,v,n,t) (v = (t*)safexmalloc((x),(MEM_SIZE)((n)*sizeof(t)))) +#define Newc(x,v,n,t,c) (v = (c*)safexmalloc((x),(MEM_SIZE)((n)*sizeof(t)))) +#define Newz(x,v,n,t) (v = (t*)safexmalloc((x),(MEM_SIZE)((n)*sizeof(t)))), \ + memzero((char*)(v), (n)*sizeof(t)) +#define Renew(v,n,t) \ + (v = (t*)safexrealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) +#define Renewc(v,n,t,c) \ + (v = (c*)safexrealloc((Malloc_t)(v),(MEM_SIZE)((n)*sizeof(t)))) +#define Safefree(d) safexfree((Malloc_t)(d)) + +#define MAXXCOUNT 1400 +#define MAXY_SIZE 80 +#define MAXYCOUNT 16 /* (MAXY_SIZE/4 + 1) */ +extern long xcount[MAXXCOUNT]; +extern long lastxcount[MAXXCOUNT]; +extern long xycount[MAXXCOUNT][MAXYCOUNT]; +extern long lastxycount[MAXXCOUNT][MAXYCOUNT]; + #endif /* LEAKTEST */ -#define Move(s,d,n,t) (void)memmove((char*)(d),(char*)(s), (n) * sizeof(t)) -#define Copy(s,d,n,t) (void)memcpy((char*)(d),(char*)(s), (n) * sizeof(t)) -#define Zero(d,n,t) (void)memzero((char*)(d), (n) * sizeof(t)) + +#define Move(s,d,n,t) (void)memmove((char*)(d),(char*)(s), (n) * sizeof(t)) +#define Copy(s,d,n,t) (void)memcpy((char*)(d),(char*)(s), (n) * sizeof(t)) +#define Zero(d,n,t) (void)memzero((char*)(d), (n) * sizeof(t)) + #else /* lint */ -#define New(x,v,n,s) (v = Null(s *)) -#define Newc(x,v,n,s,c) (v = Null(s *)) -#define Newz(x,v,n,s) (v = Null(s *)) -#define Renew(v,n,s) (v = Null(s *)) + +#define New(x,v,n,s) (v = Null(s *)) +#define Newc(x,v,n,s,c) (v = Null(s *)) +#define Newz(x,v,n,s) (v = Null(s *)) +#define Renew(v,n,s) (v = Null(s *)) #define Move(s,d,n,t) #define Copy(s,d,n,t) #define Zero(d,n,t) -#define Safefree(d) d = d +#define Safefree(d) (d) = (d) + #endif /* lint */ #ifdef USE_STRUCT_COPY -#define StructCopy(s,d,t) *((t*)(d)) = *((t*)(s)) +#define StructCopy(s,d,t) (*((t*)(d)) = *((t*)(s))) #else #define StructCopy(s,d,t) Copy(s,d,1,t) #endif