from sv.c statics to util.c and public.
p4raw-id: //depot/perl@10505
#define vload_module Perl_vload_module
#define localize Perl_localize
#define looks_like_number Perl_looks_like_number
+#define grok_number Perl_grok_number
+#define grok_numeric_radix Perl_grok_numeric_radix
#define magic_clearenv Perl_magic_clearenv
#define magic_clear_all_env Perl_magic_clear_all_env
#define magic_clearpack Perl_magic_clearpack
# if defined(USE_ITHREADS)
#define gv_share S_gv_share
# endif
-#define grok_number S_grok_number
-#define grok_numeric_radix S_grok_numeric_radix
#endif
#if defined(PERL_IN_TOKE_C) || defined(PERL_DECL_PROT)
#define check_uni S_check_uni
#define vload_module(a,b,c,d) Perl_vload_module(aTHX_ a,b,c,d)
#define localize(a,b) Perl_localize(aTHX_ a,b)
#define looks_like_number(a) Perl_looks_like_number(aTHX_ a)
+#define grok_number(a,b,c) Perl_grok_number(aTHX_ a,b,c)
+#define grok_numeric_radix(a,b) Perl_grok_numeric_radix(aTHX_ a,b)
#define magic_clearenv(a,b) Perl_magic_clearenv(aTHX_ a,b)
#define magic_clear_all_env(a,b) Perl_magic_clear_all_env(aTHX_ a,b)
#define magic_clearpack(a,b) Perl_magic_clearpack(aTHX_ a,b)
# if defined(USE_ITHREADS)
#define gv_share(a) S_gv_share(aTHX_ a)
# endif
-#define grok_number(a,b,c) S_grok_number(aTHX_ a,b,c)
-#define grok_numeric_radix(a,b) S_grok_numeric_radix(aTHX_ a,b)
#endif
#if defined(PERL_IN_TOKE_C) || defined(PERL_DECL_PROT)
#define check_uni() S_check_uni(aTHX)
#define localize Perl_localize
#define Perl_looks_like_number CPerlObj::Perl_looks_like_number
#define looks_like_number Perl_looks_like_number
+#define Perl_grok_number CPerlObj::Perl_grok_number
+#define grok_number Perl_grok_number
+#define Perl_grok_numeric_radix CPerlObj::Perl_grok_numeric_radix
+#define grok_numeric_radix Perl_grok_numeric_radix
#define Perl_magic_clearenv CPerlObj::Perl_magic_clearenv
#define magic_clearenv Perl_magic_clearenv
#define Perl_magic_clear_all_env CPerlObj::Perl_magic_clear_all_env
#define S_gv_share CPerlObj::S_gv_share
#define gv_share S_gv_share
# endif
-#define S_grok_number CPerlObj::S_grok_number
-#define grok_number S_grok_number
-#define S_grok_numeric_radix CPerlObj::S_grok_numeric_radix
-#define grok_numeric_radix S_grok_numeric_radix
#endif
#if defined(PERL_IN_TOKE_C) || defined(PERL_DECL_PROT)
#define S_check_uni CPerlObj::S_check_uni
Ap |void |vload_module|U32 flags|SV* name|SV* ver|va_list* args
p |OP* |localize |OP* arg|I32 lexical
Apd |I32 |looks_like_number|SV* sv
+Apd |int |grok_number |const char *pv|STRLEN len|UV *valuep
+Apd |bool |grok_numeric_radix|const char **sp|const char *send
p |int |magic_clearenv |SV* sv|MAGIC* mg
p |int |magic_clear_all_env|SV* sv|MAGIC* mg
p |int |magic_clearpack|SV* sv|MAGIC* mg
# if defined(USE_ITHREADS)
s |SV* |gv_share |SV *sv
# endif
-s |int |grok_number |const char *pv|STRLEN len|UV *valuep
-s |bool |grok_numeric_radix|const char **sp|const char *send
#endif
#if defined(PERL_IN_TOKE_C) || defined(PERL_DECL_PROT)
Perl_load_module
Perl_vload_module
Perl_looks_like_number
+Perl_grok_number
+Perl_grok_numeric_radix
Perl_markstack_grow
Perl_mess
Perl_vmess
#define Perl_looks_like_number pPerl->Perl_looks_like_number
#undef looks_like_number
#define looks_like_number Perl_looks_like_number
+#undef Perl_grok_number
+#define Perl_grok_number pPerl->Perl_grok_number
+#undef grok_number
+#define grok_number Perl_grok_number
+#undef Perl_grok_numeric_radix
+#define Perl_grok_numeric_radix pPerl->Perl_grok_numeric_radix
+#undef grok_numeric_radix
+#define grok_numeric_radix Perl_grok_numeric_radix
#if defined(USE_THREADS)
#endif
#if defined(USE_LOCALE_COLLATE)
#define EXEC_ARGV_CAST(x) x
#endif
+#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
+ int). value returned in pointed-
+ to UV */
+#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
+#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
+#define IS_NUMBER_NEG 0x08 /* leading minus sign */
+#define IS_NUMBER_INFINITY 0x10 /* this is big */
+
+#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
+
/* and finally... */
#define PERL_PATCHLEVEL_H_IMPLICIT
#include "patchlevel.h"
{
return ((CPerlObj*)pPerl)->Perl_looks_like_number(sv);
}
+
+#undef Perl_grok_number
+int
+Perl_grok_number(pTHXo_ const char *pv, STRLEN len, UV *valuep)
+{
+ return ((CPerlObj*)pPerl)->Perl_grok_number(pv, len, valuep);
+}
+
+#undef Perl_grok_numeric_radix
+bool
+Perl_grok_numeric_radix(pTHXo_ const char **sp, const char *send)
+{
+ return ((CPerlObj*)pPerl)->Perl_grok_numeric_radix(sp, send);
+}
#if defined(USE_THREADS)
#endif
#if defined(USE_LOCALE_COLLATE)
}
#undef Perl_mg_size
-I32
+IV
Perl_mg_size(pTHXo_ SV* sv)
{
return ((CPerlObj*)pPerl)->Perl_mg_size(sv);
=for hackers
Found in file op.h
+=item grok_number
+
+Recognise (or not) a number. The type of the number is returned
+(0 if unrecognised), otherwise it is a bit-ORed combination of
+IS_NUMBER_IN_UV, IS_NUMBER_GREATER_THAN_UV_MAX, IS_NUMBER_NOT_INT,
+IS_NUMBER_NEG, IS_NUMBER_INFINITY (defined in perl.h). If the value
+of the number can fit an in UV, it is returned in the *valuep.
+
+ int grok_number(const char *pv, STRLEN len, UV *valuep)
+
+=for hackers
+Found in file util.c
+
+=item grok_numeric_radix
+
+Scan and skip for a numeric decimal separator (radix).
+
+ bool grok_numeric_radix(const char **sp, const char *send)
+
+=for hackers
+Found in file util.c
+
=item GvSV
Return the SV from the GV.
=for hackers
Found in file sv.h
-=item svtype
+=item SvTYPE
-An enum of flags for Perl types. These are found in the file B<sv.h>
-in the C<svtype> enum. Test these flags with the C<SvTYPE> macro.
+Returns the type of the SV. See C<svtype>.
+
+ svtype SvTYPE(SV* sv)
=for hackers
Found in file sv.h
-=item SvTYPE
-
-Returns the type of the SV. See C<svtype>.
+=item svtype
- svtype SvTYPE(SV* sv)
+An enum of flags for Perl types. These are found in the file B<sv.h>
+in the C<svtype> enum. Test these flags with the C<SvTYPE> macro.
=for hackers
Found in file sv.h
PERL_CALLCONV void Perl_vload_module(pTHX_ U32 flags, SV* name, SV* ver, va_list* args);
PERL_CALLCONV OP* Perl_localize(pTHX_ OP* arg, I32 lexical);
PERL_CALLCONV I32 Perl_looks_like_number(pTHX_ SV* sv);
+PERL_CALLCONV int Perl_grok_number(pTHX_ const char *pv, STRLEN len, UV *valuep);
+PERL_CALLCONV bool Perl_grok_numeric_radix(pTHX_ const char **sp, const char *send);
PERL_CALLCONV int Perl_magic_clearenv(pTHX_ SV* sv, MAGIC* mg);
PERL_CALLCONV int Perl_magic_clear_all_env(pTHX_ SV* sv, MAGIC* mg);
PERL_CALLCONV int Perl_magic_clearpack(pTHX_ SV* sv, MAGIC* mg);
# if defined(USE_ITHREADS)
STATIC SV* S_gv_share(pTHX_ SV *sv);
# endif
-STATIC int S_grok_number(pTHX_ const char *pv, STRLEN len, UV *valuep);
-STATIC int S_grok_numeric_radix(pTHX_ const char **sp, const char *send);
#endif
#if defined(PERL_IN_TOKE_C) || defined(PERL_DECL_PROT)
"Argument \"%s\" isn't numeric", tmpbuf);
}
-#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
- int). value returned in pointed-
- to UV */
-#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
-#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
-#define IS_NUMBER_NEG 0x08 /* leading minus sign */
-#define IS_NUMBER_INFINITY 0x10 /* this is big */
-
-static bool
-S_grok_numeric_radix(pTHX_ const char **sp, const char *send)
-{
-#ifdef USE_LOCALE_NUMERIC
- if (PL_numeric_radix_sv && IN_LOCALE) {
- STRLEN len;
- char* radix = SvPV(PL_numeric_radix_sv, len);
- if (*sp + len <= send && memEQ(*sp, radix, len)) {
- *sp += len;
- return TRUE;
- }
- }
- /* always try "." if numeric radix didn't match because
- * we may have data from different locales mixed */
-#endif
- if (*sp < send && **sp == '.') {
- ++*sp;
- return TRUE;
- }
- return FALSE;
-}
-
-#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
-
-static int
-S_grok_number(pTHX_ const char *pv, STRLEN len, UV *valuep)
-{
- const char *s = pv;
- const char *send = pv + len;
- const UV max_div_10 = UV_MAX / 10;
- const char max_mod_10 = UV_MAX % 10 + '0';
- int numtype = 0;
- int sawinf = 0;
-
- while (isSPACE(*s))
- s++;
- if (*s == '-') {
- s++;
- numtype = IS_NUMBER_NEG;
- }
- else if (*s == '+')
- s++;
-
- /* next must be digit or the radix separator or beginning of infinity */
- if (isDIGIT(*s)) {
- /* UVs are at least 32 bits, so the first 9 decimal digits cannot
- overflow. */
- UV value = *s - '0';
- /* This construction seems to be more optimiser friendly.
- (without it gcc does the isDIGIT test and the *s - '0' separately)
- With it gcc on arm is managing 6 instructions (6 cycles) per digit.
- In theory the optimiser could deduce how far to unroll the loop
- before checking for overflow. */
- int digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- digit = *++s - '0';
- if (digit >= 0 && digit <= 9) {
- value = value * 10 + digit;
- /* Now got 9 digits, so need to check
- each time for overflow. */
- digit = *++s - '0';
- while (digit >= 0 && digit <= 9
- && (value < max_div_10
- || (value == max_div_10
- && *s <= max_mod_10))) {
- value = value * 10 + digit;
- digit = *++s - '0';
- }
- if (digit >= 0 && digit <= 9) {
- /* value overflowed.
- skip the remaining digits, don't
- worry about setting *valuep. */
- do {
- s++;
- } while (isDIGIT(*s));
- numtype |=
- IS_NUMBER_GREATER_THAN_UV_MAX;
- goto skip_value;
- }
- }
- }
- }
- }
- }
- }
- }
- }
- numtype |= IS_NUMBER_IN_UV;
- if (valuep)
- *valuep = value;
-
- skip_value:
- if (GROK_NUMERIC_RADIX(&s, send)) {
- numtype |= IS_NUMBER_NOT_INT;
- while (isDIGIT(*s)) /* optional digits after the radix */
- s++;
- }
- }
- else if (GROK_NUMERIC_RADIX(&s, send)) {
- numtype |= IS_NUMBER_NOT_INT;
- /* no digits before the radix means we need digits after it */
- if (isDIGIT(*s)) {
- do {
- s++;
- } while (isDIGIT(*s));
- numtype |= IS_NUMBER_IN_UV;
- if (valuep) {
- /* integer approximation is valid - it's 0. */
- *valuep = 0;
- }
- }
- else
- return 0;
- }
- else if (*s == 'I' || *s == 'i') {
- s++; if (*s != 'N' && *s != 'n') return 0;
- s++; if (*s != 'F' && *s != 'f') return 0;
- s++; if (*s == 'I' || *s == 'i') {
- s++; if (*s != 'N' && *s != 'n') return 0;
- s++; if (*s != 'I' && *s != 'i') return 0;
- s++; if (*s != 'T' && *s != 't') return 0;
- s++; if (*s != 'Y' && *s != 'y') return 0;
- s++;
- }
- sawinf = 1;
- }
- else /* Add test for NaN here. */
- return 0;
-
- if (sawinf) {
- numtype &= IS_NUMBER_NEG; /* Keep track of sign */
- numtype |= IS_NUMBER_INFINITY | IS_NUMBER_NOT_INT;
- } else {
- /* we can have an optional exponent part */
- if (*s == 'e' || *s == 'E') {
- /* The only flag we keep is sign. Blow away any "it's UV" */
- numtype &= IS_NUMBER_NEG;
- numtype |= IS_NUMBER_NOT_INT;
- s++;
- if (*s == '-' || *s == '+')
- s++;
- if (isDIGIT(*s)) {
- do {
- s++;
- } while (isDIGIT(*s));
- }
- else
- return 0;
- }
- }
- while (isSPACE(*s))
- s++;
- if (s >= send)
- return numtype;
- if (len == 10 && memEQ(pv, "0 but true", 10)) {
- if (valuep)
- *valuep = 0;
- return IS_NUMBER_IN_UV;
- }
- return 0;
-}
-
/*
=for apidoc looks_like_number
if (PL_numeric_local && IN_LOCALE) {
NV y;
+ /* Scan the number twice; once using locale and once without;
+ * choose the larger result (in absolute value). */
Perl_atof2(aTHX_ s, &x);
SET_NUMERIC_STANDARD();
Perl_atof2(aTHX_ s, &y);
return negative ? value / result : value * result;
}
+/*
+=for apidoc grok_numeric_radix
+
+Scan and skip for a numeric decimal separator (radix).
+
+=cut
+ */
+bool
+Perl_grok_numeric_radix(pTHX_ const char **sp, const char *send)
+{
+#ifdef USE_LOCALE_NUMERIC
+ if (PL_numeric_radix_sv && IN_LOCALE) {
+ STRLEN len;
+ char* radix = SvPV(PL_numeric_radix_sv, len);
+ if (*sp + len <= send && memEQ(*sp, radix, len)) {
+ *sp += len;
+ return TRUE;
+ }
+ }
+ /* always try "." if numeric radix didn't match because
+ * we may have data from different locales mixed */
+#endif
+ if (*sp < send && **sp == '.') {
+ ++*sp;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/*
+=for apidoc grok_number
+
+Recognise (or not) a number. The type of the number is returned
+(0 if unrecognised), otherwise it is a bit-ORed combination of
+IS_NUMBER_IN_UV, IS_NUMBER_GREATER_THAN_UV_MAX, IS_NUMBER_NOT_INT,
+IS_NUMBER_NEG, IS_NUMBER_INFINITY (defined in perl.h). If the value
+of the number can fit an in UV, it is returned in the *valuep.
+
+=cut
+ */
+int
+Perl_grok_number(pTHX_ const char *pv, STRLEN len, UV *valuep)
+{
+ const char *s = pv;
+ const char *send = pv + len;
+ const UV max_div_10 = UV_MAX / 10;
+ const char max_mod_10 = UV_MAX % 10 + '0';
+ int numtype = 0;
+ int sawinf = 0;
+
+ while (isSPACE(*s))
+ s++;
+ if (*s == '-') {
+ s++;
+ numtype = IS_NUMBER_NEG;
+ }
+ else if (*s == '+')
+ s++;
+
+ /* next must be digit or the radix separator or beginning of infinity */
+ if (isDIGIT(*s)) {
+ /* UVs are at least 32 bits, so the first 9 decimal digits cannot
+ overflow. */
+ UV value = *s - '0';
+ /* This construction seems to be more optimiser friendly.
+ (without it gcc does the isDIGIT test and the *s - '0' separately)
+ With it gcc on arm is managing 6 instructions (6 cycles) per digit.
+ In theory the optimiser could deduce how far to unroll the loop
+ before checking for overflow. */
+ int digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ if (digit >= 0 && digit <= 9) {
+ value = value * 10 + digit;
+ /* Now got 9 digits, so need to check
+ each time for overflow. */
+ digit = *++s - '0';
+ while (digit >= 0 && digit <= 9
+ && (value < max_div_10
+ || (value == max_div_10
+ && *s <= max_mod_10))) {
+ value = value * 10 + digit;
+ digit = *++s - '0';
+ }
+ if (digit >= 0 && digit <= 9) {
+ /* value overflowed.
+ skip the remaining digits, don't
+ worry about setting *valuep. */
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ numtype |=
+ IS_NUMBER_GREATER_THAN_UV_MAX;
+ goto skip_value;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ numtype |= IS_NUMBER_IN_UV;
+ if (valuep)
+ *valuep = value;
+
+ skip_value:
+ if (GROK_NUMERIC_RADIX(&s, send)) {
+ numtype |= IS_NUMBER_NOT_INT;
+ while (isDIGIT(*s)) /* optional digits after the radix */
+ s++;
+ }
+ }
+ else if (GROK_NUMERIC_RADIX(&s, send)) {
+ numtype |= IS_NUMBER_NOT_INT;
+ /* no digits before the radix means we need digits after it */
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ numtype |= IS_NUMBER_IN_UV;
+ if (valuep) {
+ /* integer approximation is valid - it's 0. */
+ *valuep = 0;
+ }
+ }
+ else
+ return 0;
+ }
+ else if (*s == 'I' || *s == 'i') {
+ s++; if (*s != 'N' && *s != 'n') return 0;
+ s++; if (*s != 'F' && *s != 'f') return 0;
+ s++; if (*s == 'I' || *s == 'i') {
+ s++; if (*s != 'N' && *s != 'n') return 0;
+ s++; if (*s != 'I' && *s != 'i') return 0;
+ s++; if (*s != 'T' && *s != 't') return 0;
+ s++; if (*s != 'Y' && *s != 'y') return 0;
+ s++;
+ }
+ sawinf = 1;
+ }
+ else /* Add test for NaN here. */
+ return 0;
+
+ if (sawinf) {
+ numtype &= IS_NUMBER_NEG; /* Keep track of sign */
+ numtype |= IS_NUMBER_INFINITY | IS_NUMBER_NOT_INT;
+ } else {
+ /* we can have an optional exponent part */
+ if (*s == 'e' || *s == 'E') {
+ /* The only flag we keep is sign. Blow away any "it's UV" */
+ numtype &= IS_NUMBER_NEG;
+ numtype |= IS_NUMBER_NOT_INT;
+ s++;
+ if (*s == '-' || *s == '+')
+ s++;
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ }
+ else
+ return 0;
+ }
+ }
+ while (isSPACE(*s))
+ s++;
+ if (s >= send)
+ return numtype;
+ if (len == 10 && memEQ(pv, "0 but true", 10)) {
+ if (valuep)
+ *valuep = 0;
+ return IS_NUMBER_IN_UV;
+ }
+ return 0;
+}
+
char*
Perl_my_atof2(pTHX_ const char* orig, NV* value)
{
NV result = 0.0;
bool negative = 0;
char* s = (char*)orig;
- char* point = "."; /* locale-dependent decimal point equivalent */
- STRLEN pointlen = 1;
+ char* send = s + strlen(orig) - 1;
bool seendigit = 0;
I32 expextra = 0;
I32 exponent = 0;
I32 ipart = 0; /* index into part[] */
I32 offcount; /* number of digits in least significant part */
-#ifdef USE_LOCALE_NUMERIC
- if (PL_numeric_radix_sv && IN_LOCALE)
- point = SvPV(PL_numeric_radix_sv, pointlen);
-#endif
-
/* sign */
switch (*s) {
case '-':
}
/* decimal point */
- if (memEQ(s, point, pointlen)) {
- s += pointlen;
+ if (GROK_NUMERIC_RADIX((const char **)&s, send)) {
if (isDIGIT(*s))
seendigit = 1; /* get this over with */
return FALSE;
#endif
}
+
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