Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/make_ctype.py @ 83447:678564fc0962 3.3

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#17789: test_random now works with unittest test discovery. Patch by Zachary Ware.
author Ezio Melotti <ezio.melotti@gmail.com>
date Fri, 19 Apr 2013 05:45:27 +0300
parents 65d5ecefd50d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
71557
65d5ecefd50d Fix missing or wrong shebangs and missing executable bits for scripts (#10318)
Éric Araujo <merwok@netwok.org>
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1 #!/usr/bin/env python3
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2 """Script that generates the ctype.h-replacement in stringobject.c."""
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3
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4 NAMES = ("LOWER", "UPPER", "ALPHA", "DIGIT", "XDIGIT", "ALNUM", "SPACE")
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5
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6 print("""
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7 #define FLAG_LOWER 0x01
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8 #define FLAG_UPPER 0x02
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9 #define FLAG_ALPHA (FLAG_LOWER|FLAG_UPPER)
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10 #define FLAG_DIGIT 0x04
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11 #define FLAG_ALNUM (FLAG_ALPHA|FLAG_DIGIT)
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12 #define FLAG_SPACE 0x08
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13 #define FLAG_XDIGIT 0x10
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14
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15 static unsigned int ctype_table[256] = {""")
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16
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17 for i in range(128):
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18 c = chr(i)
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19 flags = []
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20 for name in NAMES:
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21 if name in ("ALPHA", "ALNUM"):
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22 continue
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23 if name == "XDIGIT":
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24 method = lambda: c.isdigit() or c.upper() in "ABCDEF"
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25 else:
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26 method = getattr(c, "is" + name.lower())
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27 if method():
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28 flags.append("FLAG_" + name)
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29 rc = repr(c)
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30 if c == '\v':
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31 rc = "'\\v'"
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32 elif c == '\f':
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33 rc = "'\\f'"
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34 if not flags:
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35 print(" 0, /* 0x%x %s */" % (i, rc))
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36 else:
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37 print(" %s, /* 0x%x %s */" % ("|".join(flags), i, rc))
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38
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39 for i in range(128, 256, 16):
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40 print(" %s," % ", ".join(16*["0"]))
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41
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42 print("};")
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43 print("")
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44
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45 for name in NAMES:
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46 print("#define IS%s(c) (ctype_table[Py_CHARMASK(c)] & FLAG_%s)" %
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47 (name, name))
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48
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49 print("")
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50
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51 for name in NAMES:
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52 name = "is" + name.lower()
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53 print("#undef %s" % name)
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54 print("#define %s(c) undefined_%s(c)" % (name, name))
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55
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56 print("""
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57 static unsigned char ctype_tolower[256] = {""")
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58
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59 for i in range(0, 256, 8):
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60 values = []
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61 for i in range(i, i+8):
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62 if i < 128:
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63 c = chr(i)
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64 if c.isupper():
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65 i = ord(c.lower())
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66 values.append("0x%02x" % i)
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67 print(" %s," % ", ".join(values))
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68
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69 print("};")
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70
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71 print("""
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72 static unsigned char ctype_toupper[256] = {""")
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73
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74 for i in range(0, 256, 8):
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75 values = []
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76 for i in range(i, i+8):
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77 if i < 128:
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78 c = chr(i)
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79 if c.islower():
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80 i = ord(c.upper())
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81 values.append("0x%02x" % i)
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82 print(" %s," % ", ".join(values))
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83
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84 print("};")
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85
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86 print("""
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87 #define TOLOWER(c) (ctype_tolower[Py_CHARMASK(c)])
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88 #define TOUPPER(c) (ctype_toupper[Py_CHARMASK(c)])
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89
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90 #undef tolower
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91 #define tolower(c) undefined_tolower(c)
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92 #undef toupper
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93 #define toupper(c) undefined_toupper(c)
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94 """)