Éric Araujo | a0e92a8 | 2011-07-26 18:01:08 +0200 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
Guido van Rossum | 174ce20 | 2007-10-09 17:30:03 +0000 | [diff] [blame] | 2 | """Script that generates the ctype.h-replacement in stringobject.c.""" |
| 3 | |
| 4 | NAMES = ("LOWER", "UPPER", "ALPHA", "DIGIT", "XDIGIT", "ALNUM", "SPACE") |
| 5 | |
| 6 | print(""" |
| 7 | #define FLAG_LOWER 0x01 |
| 8 | #define FLAG_UPPER 0x02 |
| 9 | #define FLAG_ALPHA (FLAG_LOWER|FLAG_UPPER) |
| 10 | #define FLAG_DIGIT 0x04 |
| 11 | #define FLAG_ALNUM (FLAG_ALPHA|FLAG_DIGIT) |
| 12 | #define FLAG_SPACE 0x08 |
| 13 | #define FLAG_XDIGIT 0x10 |
| 14 | |
| 15 | static unsigned int ctype_table[256] = {""") |
| 16 | |
| 17 | for i in range(128): |
| 18 | c = chr(i) |
| 19 | flags = [] |
| 20 | for name in NAMES: |
| 21 | if name in ("ALPHA", "ALNUM"): |
| 22 | continue |
| 23 | if name == "XDIGIT": |
| 24 | method = lambda: c.isdigit() or c.upper() in "ABCDEF" |
| 25 | else: |
| 26 | method = getattr(c, "is" + name.lower()) |
| 27 | if method(): |
| 28 | flags.append("FLAG_" + name) |
| 29 | rc = repr(c) |
| 30 | if c == '\v': |
| 31 | rc = "'\\v'" |
| 32 | elif c == '\f': |
| 33 | rc = "'\\f'" |
| 34 | if not flags: |
| 35 | print(" 0, /* 0x%x %s */" % (i, rc)) |
| 36 | else: |
| 37 | print(" %s, /* 0x%x %s */" % ("|".join(flags), i, rc)) |
| 38 | |
| 39 | for i in range(128, 256, 16): |
| 40 | print(" %s," % ", ".join(16*["0"])) |
| 41 | |
| 42 | print("};") |
| 43 | print("") |
| 44 | |
| 45 | for name in NAMES: |
| 46 | print("#define IS%s(c) (ctype_table[Py_CHARMASK(c)] & FLAG_%s)" % |
| 47 | (name, name)) |
| 48 | |
| 49 | print("") |
| 50 | |
| 51 | for name in NAMES: |
| 52 | name = "is" + name.lower() |
| 53 | print("#undef %s" % name) |
| 54 | print("#define %s(c) undefined_%s(c)" % (name, name)) |
| 55 | |
| 56 | print(""" |
| 57 | static unsigned char ctype_tolower[256] = {""") |
| 58 | |
| 59 | for i in range(0, 256, 8): |
| 60 | values = [] |
| 61 | for i in range(i, i+8): |
| 62 | if i < 128: |
| 63 | c = chr(i) |
| 64 | if c.isupper(): |
| 65 | i = ord(c.lower()) |
| 66 | values.append("0x%02x" % i) |
| 67 | print(" %s," % ", ".join(values)) |
| 68 | |
| 69 | print("};") |
| 70 | |
| 71 | print(""" |
| 72 | static unsigned char ctype_toupper[256] = {""") |
| 73 | |
| 74 | for i in range(0, 256, 8): |
| 75 | values = [] |
| 76 | for i in range(i, i+8): |
| 77 | if i < 128: |
| 78 | c = chr(i) |
| 79 | if c.islower(): |
| 80 | i = ord(c.upper()) |
| 81 | values.append("0x%02x" % i) |
| 82 | print(" %s," % ", ".join(values)) |
| 83 | |
| 84 | print("};") |
| 85 | |
| 86 | print(""" |
| 87 | #define TOLOWER(c) (ctype_tolower[Py_CHARMASK(c)]) |
| 88 | #define TOUPPER(c) (ctype_toupper[Py_CHARMASK(c)]) |
| 89 | |
| 90 | #undef tolower |
| 91 | #define tolower(c) undefined_tolower(c) |
| 92 | #undef toupper |
| 93 | #define toupper(c) undefined_toupper(c) |
| 94 | """) |