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annotate perl-5.22.2/regen/unicode_constants.pl @ 8045:a16537d2fe07

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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
author HackBot
date Sat, 14 May 2016 14:54:38 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8045
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1 use v5.16.0;
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2 use strict;
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3 use warnings;
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4 require 'regen/regen_lib.pl';
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5 require 'regen/charset_translations.pl';
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6 use charnames qw(:loose);
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7
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8 my $out_fh = open_new('unicode_constants.h', '>',
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9 {style => '*', by => $0,
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10 from => "Unicode data"});
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11
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12 print $out_fh <<END;
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13
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14 #ifndef H_UNICODE_CONSTANTS /* Guard against nested #includes */
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15 #define H_UNICODE_CONSTANTS 1
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16
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17 /* This file contains #defines for various Unicode code points. The values
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18 * the macros expand to are the native Unicode code point, or all or portions
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19 * of the UTF-8 encoding for the code point. In the former case, the macro
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20 * name has the suffix "_NATIVE"; otherwise, the suffix "_UTF8".
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21 *
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22 * The macros that have the suffix "_UTF8" may have further suffixes, as
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23 * follows:
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24 * "_FIRST_BYTE" if the value is just the first byte of the UTF-8
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25 * representation; the value will be a numeric constant.
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26 * "_TAIL" if instead it represents all but the first byte. This, and
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27 * with no additional suffix are both string constants */
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28
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29 END
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30
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31 # The data are at the end of this file. A blank line is output as-is.
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32 # Comments (lines whose first non-blank is a '#') are converted to C-style,
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33 # though empty comments are converted to blank lines. Otherwise, each line
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34 # represents one #define, and begins with either a Unicode character name with
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35 # the blanks and dashes in it squeezed out or replaced by underscores; or it
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36 # may be a hexadecimal Unicode code point of the form U+xxxx. In the latter
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37 # case, the name will be looked-up to use as the name of the macro. In either
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38 # case, the macro name will have suffixes as listed above, and all blanks and
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39 # dashes will be replaced by underscores.
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40 #
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41 # Each line may optionally have one of the following flags on it, separated by
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42 # white space from the initial token.
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43 # string indicates that the output is to be of the string form
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44 # described in the comments above that are placed in the file.
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45 # string_skip_ifundef is the same as 'string', but instead of dying if the
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46 # code point doesn't exist, the line is just skipped: no output is
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47 # generated for it
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48 # first indicates that the output is to be of the FIRST_BYTE form.
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49 # tail indicates that the output is of the _TAIL form.
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50 # native indicates that the output is the code point, converted to the
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51 # platform's native character set if applicable
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52 #
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53 # If the code point has no official name, the desired name may be appended
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54 # after the flag, which will be ignored if there is an official name.
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55 #
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56 # This program is used to make it convenient to create compile time constants
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57 # of UTF-8, and to generate proper EBCDIC as well as ASCII without manually
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58 # having to figure things out.
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59
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60 my @data = <DATA>;
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61
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62 foreach my $charset (get_supported_code_pages()) {
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63 print $out_fh "\n" . get_conditional_compile_line_start($charset);
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64
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65 my @a2n = @{get_a2n($charset)};
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66
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67 for ( @data ) {
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68 chomp;
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69
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70 # Convert any '#' comments to /* ... */; empty lines and comments are
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71 # output as blank lines
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72 if ($_ =~ m/ ^ \s* (?: \# ( .* ) )? $ /x) {
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73 my $comment_body = $1 // "";
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74 if ($comment_body ne "") {
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75 print $out_fh "/* $comment_body */\n";
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76 }
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77 else {
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78 print $out_fh "\n";
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79 }
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80 next;
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81 }
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82
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83 unless ($_ =~ m/ ^ ( [^\ ]* ) # Name or code point token
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84 (?: [\ ]+ ( [^ ]* ) )? # optional flag
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85 (?: [\ ]+ ( .* ) )? # name if unnamed; flag is required
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86 /x)
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87 {
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88 die "Unexpected syntax at line $.: $_\n";
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89 }
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90
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91 my $name_or_cp = $1;
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92 my $flag = $2;
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93 my $desired_name = $3;
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94
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95 my $name;
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96 my $cp;
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97 my $U_cp; # code point in Unicode (not-native) terms
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98 my $undef_ok = $desired_name || $flag =~ /skip_if_undef/;
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99
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100 if ($name_or_cp =~ /^U\+(.*)/) {
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101 $U_cp = hex $1;
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102 $name = charnames::viacode($name_or_cp);
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103 if (! defined $name) {
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104 die "Unknown code point '$name_or_cp' at line $.: $_\n" unless $undef_ok;
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105 $name = "";
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106 }
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107 }
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108 else {
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109 $name = $name_or_cp;
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110 die "Unknown name '$name' at line $.: $_\n" unless defined $name;
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111 $U_cp = charnames::vianame($name =~ s/_/ /gr);
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112 }
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113
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114 $cp = ($U_cp < 256)
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115 ? $a2n[$U_cp]
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116 : $U_cp;
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117
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118 $name = $desired_name if $name eq "" && $desired_name;
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119 $name =~ s/[- ]/_/g; # The macro name can have no blanks nor dashes
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120
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121 my $str;
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122 my $suffix;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
123 if (defined $flag && $flag eq 'native') {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
124 die "Are you sure you want to run this on an above-Latin1 code point?" if $cp > 0xff;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
125 $suffix = '_NATIVE';
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
126 $str = sprintf "0x%02X", $cp; # Is a numeric constant
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
127 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
128 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
129 $str = join "", map { sprintf "\\x%02X", ord $_ } split //, cp_2_utfbytes($U_cp, $charset);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
130
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
131 $suffix = '_UTF8';
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
132 if (! defined $flag || $flag =~ /^ string (_skip_if_undef)? $/x) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
133 $str = "\"$str\""; # Will be a string constant
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
134 } elsif ($flag eq 'tail') {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
135 $str =~ s/\\x..//; # Remove the first byte
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
136 $suffix .= '_TAIL';
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
137 $str = "\"$str\""; # Will be a string constant
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
138 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
139 elsif ($flag eq 'first') {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
140 $str =~ s/ \\x ( .. ) .* /$1/x; # Get the two nibbles of the 1st byte
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
141 $suffix .= '_FIRST_BYTE';
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
142 $str = "0x$str"; # Is a numeric constant
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
143 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
144 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
145 die "Unknown flag at line $.: $_\n";
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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146 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
147 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
148 printf $out_fh "# define %s%s %s /* U+%04X */\n", $name, $suffix, $str, $U_cp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
149 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
150
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
151 my $max_PRINT_A = 0;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
152 for my $i (0x20 .. 0x7E) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
153 $max_PRINT_A = $a2n[$i] if $a2n[$i] > $max_PRINT_A;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
154 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
155 printf $out_fh "# define MAX_PRINT_A_FOR_USE_ONLY_BY_REGCOMP_DOT_C 0x%02X /* The max code point that isPRINT_A */\n", $max_PRINT_A;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
156
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
157 print $out_fh "\n" . get_conditional_compile_line_end();
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
158
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
159 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
160
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
161 use Unicode::UCD 'prop_invlist';
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
162
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
163 my $count = 0;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
164 my @other_invlist = prop_invlist("Other");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
165 for (my $i = 0; $i < @other_invlist; $i += 2) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
166 $count += ((defined $other_invlist[$i+1])
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
167 ? $other_invlist[$i+1]
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
168 : 0x110000)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
169 - $other_invlist[$i];
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
170 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
171 printf $out_fh "\n/* The number of code points not matching \\pC */\n"
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
172 . "#define NON_OTHER_COUNT_FOR_USE_ONLY_BY_REGCOMP_DOT_C %d\n",
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
173 0x110000 - $count;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
174
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
175 print $out_fh "\n#endif /* H_UNICODE_CONSTANTS */\n";
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
176
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
177 read_only_bottom_close_and_rename($out_fh);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
178
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
179 __DATA__
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
180 U+017F string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
181
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
182 U+0300 string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
183
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
184 U+0399 string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
185 U+03BC string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
186
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
187 U+1E9E string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
188
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
189 U+FB05 string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
190 U+FB06 string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
191
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
192 U+2010 string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
193 U+D800 first FIRST_SURROGATE
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
194 BOM first
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
195 BOM tail
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
196
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
197 NBSP native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
198 NBSP string
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
199
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
200 DEL native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
201 CR native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
202 LF native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
203 VT native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
204 ESC native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
205 U+00DF native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
206 U+00E5 native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
207 U+00C5 native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
208 U+00FF native
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
209 U+00B5 native