Issue #5793: rationalize isdigit / isalpha / tolower, etc. Will port to py3k.…

Issue #5793: rationalize isdigit / isalpha / tolower, etc. Will port to py3k. Should fix Windows buildbot errors.

Include/Python.h

@@ -134,6 +134,7 @@
 #include "compile.h"
 #include "eval.h"
 
+#include "pyctype.h"
 #include "pystrtod.h"
 #include "pystrcmp.h"
 

Include/bytes_methods.h

@@ -34,23 +34,15 @@ extern const char _Py_title__doc__[];
 extern const char _Py_capitalize__doc__[];
 extern const char _Py_swapcase__doc__[];
 
-#define FLAG_LOWER  0x01
-#define FLAG_UPPER  0x02
-#define FLAG_ALPHA  (FLAG_LOWER|FLAG_UPPER)
-#define FLAG_DIGIT  0x04
-#define FLAG_ALNUM  (FLAG_ALPHA|FLAG_DIGIT)
-#define FLAG_SPACE  0x08
-#define FLAG_XDIGIT 0x10
-
-extern const unsigned int _Py_ctype_table[256];
-
-#define ISLOWER(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_LOWER)
-#define ISUPPER(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_UPPER)
-#define ISALPHA(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_ALPHA)
-#define ISDIGIT(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_DIGIT)
-#define ISXDIGIT(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_XDIGIT)
-#define ISALNUM(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_ALNUM)
-#define ISSPACE(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_SPACE)
+/* These are left in for backward compatibility and will be removed
+   in 2.8/3.2 */
+#define ISLOWER(c)  Py_ISLOWER(c)
+#define ISUPPER(c)  Py_ISUPPER(c)
+#define ISALPHA(c)  Py_ISALPHA(c)
+#define ISDIGIT(c)  Py_ISDIGIT(c)
+#define ISXDIGIT(c) Py_ISXDIGIT(c)
+#define ISALNUM(c)  Py_ISALNUM(c)
+#define ISSPACE(c)  Py_ISSPACE(c)
 
 #undef islower
 #define islower(c) undefined_islower(c)
@@ -67,11 +59,10 @@ extern const unsigned int _Py_ctype_table[256];
 #undef isspace
 #define isspace(c) undefined_isspace(c)
 
-extern const unsigned char _Py_ctype_tolower[256];
-extern const unsigned char _Py_ctype_toupper[256];
-
-#define TOLOWER(c) (_Py_ctype_tolower[Py_CHARMASK(c)])
-#define TOUPPER(c) (_Py_ctype_toupper[Py_CHARMASK(c)])
+/* These are left in for backward compatibility and will be removed
+   in 2.8/3.2 */
+#define TOLOWER(c) Py_TOLOWER(c)
+#define TOUPPER(c) Py_TOUPPER(c)
 
 #undef tolower
 #define tolower(c) undefined_tolower(c)

Include/pyctype.h

+#ifndef PYCTYPE_H
+#define PYCTYPE_H
+
+#define PY_CTF_LOWER  0x01
+#define PY_CTF_UPPER  0x02
+#define PY_CTF_ALPHA  (PY_CTF_LOWER|PY_CTF_UPPER)
+#define PY_CTF_DIGIT  0x04
+#define PY_CTF_ALNUM  (PY_CTF_ALPHA|PY_CTF_DIGIT)
+#define PY_CTF_SPACE  0x08
+#define PY_CTF_XDIGIT 0x10
+
+extern const unsigned int _Py_ctype_table[256];
+
+#define Py_ISLOWER(c)  (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_LOWER)
+#define Py_ISUPPER(c)  (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_UPPER)
+#define Py_ISALPHA(c)  (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_ALPHA)
+#define Py_ISDIGIT(c)  (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_DIGIT)
+#define Py_ISXDIGIT(c) (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_XDIGIT)
+#define Py_ISALNUM(c)  (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_ALNUM)
+#define Py_ISSPACE(c)  (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_SPACE)
+
+extern const unsigned char _Py_ctype_tolower[256];
+extern const unsigned char _Py_ctype_toupper[256];
+
+#define Py_TOLOWER(c) (_Py_ctype_tolower[Py_CHARMASK(c)])
+#define Py_TOUPPER(c) (_Py_ctype_toupper[Py_CHARMASK(c)])
+
+#endif /* !PYCTYPE_H */

Makefile.pre.in

@@ -275,6 +275,7 @@ PYTHON_OBJS=	\
 		Python/mysnprintf.o \
 		Python/peephole.o \
 		Python/pyarena.o \
+		Python/pyctype.o \
 		Python/pyfpe.o \
 		Python/pymath.o \
 		Python/pystate.o \
@@ -633,6 +634,7 @@ PYTHON_HEADERS= \
 		Include/pgen.h \
 		Include/pgenheaders.h \
 		Include/pyarena.h \
+		Include/pyctype.h \
 		Include/pydebug.h \
 		Include/pyerrors.h \
 		Include/pyfpe.h \

Misc/NEWS

@@ -12,6 +12,9 @@ What's New in Python 2.7 alpha 1
 Core and Builtins
 -----------------
 
+- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
+  new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
+
 - Issue #4971: Fix titlecase for characters that are their own
   titlecase, but not their own uppercase.
 

Objects/bytearrayobject.c

@@ -2244,16 +2244,16 @@ split_whitespace(const char *s, Py_ssize_t len, Py_ssize_t maxcount)
 
     for (i = j = 0; i < len; ) {
         /* find a token */
-        while (i < len && ISSPACE(s[i]))
+        while (i < len && Py_ISSPACE(s[i]))
             i++;
         j = i;
-        while (i < len && !ISSPACE(s[i]))
+        while (i < len && !Py_ISSPACE(s[i]))
             i++;
         if (j < i) {
             if (maxcount-- <= 0)
                 break;
             SPLIT_ADD(s, j, i);
-            while (i < len && ISSPACE(s[i]))
+            while (i < len && Py_ISSPACE(s[i]))
                 i++;
             j = i;
         }
@@ -2478,16 +2478,16 @@ rsplit_whitespace(const char *s, Py_ssize_t len, Py_ssize_t maxcount)
 
     for (i = j = len - 1; i >= 0; ) {
         /* find a token */
-        while (i >= 0 && ISSPACE(s[i]))
+        while (i >= 0 && Py_ISSPACE(s[i]))
             i--;
         j = i;
-        while (i >= 0 && !ISSPACE(s[i]))
+        while (i >= 0 && !Py_ISSPACE(s[i]))
             i--;
         if (j > i) {
             if (maxcount-- <= 0)
                 break;
             SPLIT_ADD(s, i + 1, j + 1);
-            while (i >= 0 && ISSPACE(s[i]))
+            while (i >= 0 && Py_ISSPACE(s[i]))
                 i--;
             j = i;
         }
@@ -3054,11 +3054,11 @@ Example: bytearray.fromhex('B9 01EF') -> bytearray(b'\\xb9\\x01\\xef').");
 static int
 hex_digit_to_int(char c)
 {
-    if (ISDIGIT(c))
+    if (Py_ISDIGIT(c))
         return c - '0';
     else {
-        if (ISUPPER(c))
-            c = TOLOWER(c);
+        if (Py_ISUPPER(c))
+            c = Py_TOLOWER(c);
         if (c >= 'a' && c <= 'f')
             return c - 'a' + 10;
     }

Objects/stringlib/stringdefs.h

@@ -6,15 +6,6 @@
    compiled as unicode. */
 #define STRINGLIB_IS_UNICODE     0
 
-/* _tolower and _toupper are defined by SUSv2, but they're not ISO C */
-/* This needs to be cleaned up. See issue 5793. */
-#ifndef _tolower
-#define _tolower tolower
-#endif
-#ifndef _toupper
-#define _toupper toupper
-#endif
-
 #define STRINGLIB_OBJECT         PyStringObject
 #define STRINGLIB_CHAR           char
 #define STRINGLIB_TYPE_NAME      "string"
@@ -22,8 +13,8 @@
 #define STRINGLIB_EMPTY          nullstring
 #define STRINGLIB_ISDECIMAL(x)   ((x >= '0') && (x <= '9'))
 #define STRINGLIB_TODECIMAL(x)   (STRINGLIB_ISDECIMAL(x) ? (x - '0') : -1)
-#define STRINGLIB_TOUPPER(x)     _toupper(Py_CHARMASK(x))
-#define STRINGLIB_TOLOWER(x)     _tolower(Py_CHARMASK(x))
+#define STRINGLIB_TOUPPER        Py_TOUPPER
+#define STRINGLIB_TOLOWER        Py_TOLOWER
 #define STRINGLIB_FILL           memset
 #define STRINGLIB_STR            PyString_AS_STRING
 #define STRINGLIB_LEN            PyString_GET_SIZE

PC/VC6/pythoncore.dsp

@@ -603,6 +603,10 @@ SOURCE=..\..\Python\pyarena.c
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\Python\pyctype.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\Python\pyfpe.c
 # End Source File
 # Begin Source File

PC/VS7.1/pythoncore.vcproj

@@ -721,6 +721,9 @@
 		<File
 			RelativePath="..\..\Python\pyarena.c">
 		</File>
+		<File
+			RelativePath="..\..\Python\pyctype.c">
+		</File>
 		<File
 			RelativePath="..\..\Python\pyfpe.c">
 		</File>

PC/VS8.0/pythoncore.vcproj

@@ -850,6 +850,10 @@
 				RelativePath="..\..\Include\pyarena.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\Include\pyctype.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\Include\pydebug.h"
 				>
@@ -1742,6 +1746,10 @@
 				RelativePath="..\..\Python\pyarena.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\Python\pyctype.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\Python\pyfpe.c"
 				>

PC/os2emx/Makefile

@@ -362,6 +362,7 @@ SRC.PYTHON=	$(addprefix $(TOP), \
 		Python/mystrtoul.c \
 		Python/peephole.c \
 		Python/pyarena.c \
+		Python/pyctype.c \
 		Python/pyfpe.c \
 		Python/pymath.c \
 		Python/pystate.c \

PCbuild/pythoncore.vcproj

@@ -850,6 +850,10 @@
 				RelativePath="..\Include\pyarena.h"
 				>
 			</File>
+			<File
+				RelativePath="..\Include\pyctype.h"
+				>
+			</File>
 			<File
 				RelativePath="..\Include\pydebug.h"
 				>
@@ -1742,6 +1746,10 @@
 				RelativePath="..\Python\pyarena.c"
 				>
 			</File>
+			<File
+				RelativePath="..\Python\pyctype.c"
+				>
+			</File>
 			<File
 				RelativePath="..\Python\pyfpe.c"
 				>

Python/pyctype.c

+#include "Python.h"
+
+/* Our own locale-independent ctype.h-like macros */
+
+const unsigned int _Py_ctype_table[256] = {
+    0, /* 0x0 '\x00' */
+    0, /* 0x1 '\x01' */
+    0, /* 0x2 '\x02' */
+    0, /* 0x3 '\x03' */
+    0, /* 0x4 '\x04' */
+    0, /* 0x5 '\x05' */
+    0, /* 0x6 '\x06' */
+    0, /* 0x7 '\x07' */
+    0, /* 0x8 '\x08' */
+    PY_CTF_SPACE, /* 0x9 '\t' */
+    PY_CTF_SPACE, /* 0xa '\n' */
+    PY_CTF_SPACE, /* 0xb '\v' */
+    PY_CTF_SPACE, /* 0xc '\f' */
+    PY_CTF_SPACE, /* 0xd '\r' */
+    0, /* 0xe '\x0e' */
+    0, /* 0xf '\x0f' */
+    0, /* 0x10 '\x10' */
+    0, /* 0x11 '\x11' */
+    0, /* 0x12 '\x12' */
+    0, /* 0x13 '\x13' */
+    0, /* 0x14 '\x14' */
+    0, /* 0x15 '\x15' */
+    0, /* 0x16 '\x16' */
+    0, /* 0x17 '\x17' */
+    0, /* 0x18 '\x18' */
+    0, /* 0x19 '\x19' */
+    0, /* 0x1a '\x1a' */
+    0, /* 0x1b '\x1b' */
+    0, /* 0x1c '\x1c' */
+    0, /* 0x1d '\x1d' */
+    0, /* 0x1e '\x1e' */
+    0, /* 0x1f '\x1f' */
+    PY_CTF_SPACE, /* 0x20 ' ' */
+    0, /* 0x21 '!' */
+    0, /* 0x22 '"' */
+    0, /* 0x23 '#' */
+    0, /* 0x24 '$' */
+    0, /* 0x25 '%' */
+    0, /* 0x26 '&' */
+    0, /* 0x27 "'" */
+    0, /* 0x28 '(' */
+    0, /* 0x29 ')' */
+    0, /* 0x2a '*' */
+    0, /* 0x2b '+' */
+    0, /* 0x2c ',' */
+    0, /* 0x2d '-' */
+    0, /* 0x2e '.' */
+    0, /* 0x2f '/' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x30 '0' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x31 '1' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x32 '2' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x33 '3' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x34 '4' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x35 '5' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x36 '6' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x37 '7' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x38 '8' */
+    PY_CTF_DIGIT|PY_CTF_XDIGIT, /* 0x39 '9' */
+    0, /* 0x3a ':' */
+    0, /* 0x3b ';' */
+    0, /* 0x3c '<' */
+    0, /* 0x3d '=' */
+    0, /* 0x3e '>' */
+    0, /* 0x3f '?' */
+    0, /* 0x40 '@' */
+    PY_CTF_UPPER|PY_CTF_XDIGIT, /* 0x41 'A' */
+    PY_CTF_UPPER|PY_CTF_XDIGIT, /* 0x42 'B' */
+    PY_CTF_UPPER|PY_CTF_XDIGIT, /* 0x43 'C' */
+    PY_CTF_UPPER|PY_CTF_XDIGIT, /* 0x44 'D' */
+    PY_CTF_UPPER|PY_CTF_XDIGIT, /* 0x45 'E' */
+    PY_CTF_UPPER|PY_CTF_XDIGIT, /* 0x46 'F' */
+    PY_CTF_UPPER, /* 0x47 'G' */
+    PY_CTF_UPPER, /* 0x48 'H' */
+    PY_CTF_UPPER, /* 0x49 'I' */
+    PY_CTF_UPPER, /* 0x4a 'J' */
+    PY_CTF_UPPER, /* 0x4b 'K' */
+    PY_CTF_UPPER, /* 0x4c 'L' */
+    PY_CTF_UPPER, /* 0x4d 'M' */
+    PY_CTF_UPPER, /* 0x4e 'N' */
+    PY_CTF_UPPER, /* 0x4f 'O' */
+    PY_CTF_UPPER, /* 0x50 'P' */
+    PY_CTF_UPPER, /* 0x51 'Q' */
+    PY_CTF_UPPER, /* 0x52 'R' */
+    PY_CTF_UPPER, /* 0x53 'S' */
+    PY_CTF_UPPER, /* 0x54 'T' */
+    PY_CTF_UPPER, /* 0x55 'U' */
+    PY_CTF_UPPER, /* 0x56 'V' */
+    PY_CTF_UPPER, /* 0x57 'W' */
+    PY_CTF_UPPER, /* 0x58 'X' */
+    PY_CTF_UPPER, /* 0x59 'Y' */
+    PY_CTF_UPPER, /* 0x5a 'Z' */
+    0, /* 0x5b '[' */
+    0, /* 0x5c '\\' */
+    0, /* 0x5d ']' */
+    0, /* 0x5e '^' */
+    0, /* 0x5f '_' */
+    0, /* 0x60 '`' */
+    PY_CTF_LOWER|PY_CTF_XDIGIT, /* 0x61 'a' */
+    PY_CTF_LOWER|PY_CTF_XDIGIT, /* 0x62 'b' */
+    PY_CTF_LOWER|PY_CTF_XDIGIT, /* 0x63 'c' */
+    PY_CTF_LOWER|PY_CTF_XDIGIT, /* 0x64 'd' */
+    PY_CTF_LOWER|PY_CTF_XDIGIT, /* 0x65 'e' */
+    PY_CTF_LOWER|PY_CTF_XDIGIT, /* 0x66 'f' */
+    PY_CTF_LOWER, /* 0x67 'g' */
+    PY_CTF_LOWER, /* 0x68 'h' */
+    PY_CTF_LOWER, /* 0x69 'i' */
+    PY_CTF_LOWER, /* 0x6a 'j' */
+    PY_CTF_LOWER, /* 0x6b 'k' */
+    PY_CTF_LOWER, /* 0x6c 'l' */
+    PY_CTF_LOWER, /* 0x6d 'm' */
+    PY_CTF_LOWER, /* 0x6e 'n' */
+    PY_CTF_LOWER, /* 0x6f 'o' */
+    PY_CTF_LOWER, /* 0x70 'p' */
+    PY_CTF_LOWER, /* 0x71 'q' */
+    PY_CTF_LOWER, /* 0x72 'r' */
+    PY_CTF_LOWER, /* 0x73 's' */
+    PY_CTF_LOWER, /* 0x74 't' */
+    PY_CTF_LOWER, /* 0x75 'u' */
+    PY_CTF_LOWER, /* 0x76 'v' */
+    PY_CTF_LOWER, /* 0x77 'w' */
+    PY_CTF_LOWER, /* 0x78 'x' */
+    PY_CTF_LOWER, /* 0x79 'y' */
+    PY_CTF_LOWER, /* 0x7a 'z' */
+    0, /* 0x7b '{' */
+    0, /* 0x7c '|' */
+    0, /* 0x7d '}' */
+    0, /* 0x7e '~' */
+    0, /* 0x7f '\x7f' */
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+
+const unsigned char _Py_ctype_tolower[256] = {
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+    0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+    0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+    0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+    0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+    0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+    0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+    0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+    0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+    0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+    0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
+    0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+    0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+    0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+    0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+    0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
+    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+    0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+};
+
+const unsigned char _Py_ctype_toupper[256] = {
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+    0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+    0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+    0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+    0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+    0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+    0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+    0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+    0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+    0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+    0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+    0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
+    0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+    0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+    0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+    0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+    0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
+    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+    0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+};
+

Python/pystrtod.c

@@ -3,12 +3,6 @@
 #include <Python.h>
 #include <locale.h>
 
-/* ascii character tests (as opposed to locale tests) */
-#define ISSPACE(c)  ((c) == ' ' || (c) == '\f' || (c) == '\n' || \
-                     (c) == '\r' || (c) == '\t' || (c) == '\v')
-#define ISDIGIT(c)  ((c) >= '0' && (c) <= '9')
-
-
 /**
  * PyOS_ascii_strtod:
  * @nptr:    the string to convert to a numeric value.
@@ -81,7 +75,7 @@ PyOS_ascii_strtod(const char *nptr, char **endptr)
 
 	p = nptr;
 	/* Skip leading space */
-	while (ISSPACE(*p))
+	while (Py_ISSPACE(*p))
 		p++;
 
 	/* Process leading sign, if present */
@@ -124,7 +118,7 @@ PyOS_ascii_strtod(const char *nptr, char **endptr)
 		goto invalid_string;
 
 	/* Check that what's left begins with a digit or decimal point */
-	if (!ISDIGIT(*p) && *p != '.')
+	if (!Py_ISDIGIT(*p) && *p != '.')
 		goto invalid_string;
 
 	digits_pos = p;
@@ -135,7 +129,7 @@ PyOS_ascii_strtod(const char *nptr, char **endptr)
 		   swapped for the current locale's decimal point before we
 		   call strtod.  On the other hand, if we find the current
 		   locale's decimal point then the input is invalid. */
-		while (ISDIGIT(*p))
+		while (Py_ISDIGIT(*p))
 			p++;
 
 		if (*p == '.')
@@ -143,14 +137,14 @@ PyOS_ascii_strtod(const char *nptr, char **endptr)
 			decimal_point_pos = p++;
 
 			/* locate end of number */
-			while (ISDIGIT(*p))
+			while (Py_ISDIGIT(*p))
 				p++;
 
 			if (*p == 'e' || *p == 'E')
 				p++;
 			if (*p == '+' || *p == '-')
 				p++;
-			while (ISDIGIT(*p))
+			while (Py_ISDIGIT(*p))
 				p++;
 			end = p;
 		}
@@ -244,7 +238,7 @@ change_decimal_from_locale_to_dot(char* buffer)
 
 		if (*buffer == '+' || *buffer == '-')
 			buffer++;
-		while (isdigit(Py_CHARMASK(*buffer)))
+		while (Py_ISDIGIT(*buffer))
 			buffer++;
 		if (strncmp(buffer, decimal_point, decimal_point_len) == 0) {
 			*buffer = '.';
@@ -306,7 +300,7 @@ ensure_minimum_exponent_length(char* buffer, size_t buf_size)
 
 		/* Find the end of the exponent, keeping track of leading
 		   zeros. */
-		while (*p && isdigit(Py_CHARMASK(*p))) {
+		while (*p && Py_ISDIGIT(*p)) {
 			if (in_leading_zeros && *p == '0')
 				++leading_zero_cnt;
 			if (*p != '0')
@@ -369,11 +363,11 @@ ensure_decimal_point(char* buffer, size_t buf_size)
 		/* Skip leading sign, if present.  I think this could only
 		   ever be '-', but it can't hurt to check for both. */
 		++p;
-	while (*p && isdigit(Py_CHARMASK(*p)))
+	while (*p && Py_ISDIGIT(*p))
 		++p;
 
 	if (*p == '.') {
-		if (isdigit(Py_CHARMASK(*(p+1)))) {
+		if (Py_ISDIGIT(*(p+1))) {
 			/* Nothing to do, we already have a decimal
 			   point and a digit after it */
 		}