Mercurial > dropbear
annotate libtommath/dep.pl @ 1481:515f37a55cd2
exclude clang rather than osx for unbundled libtom
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 10 Feb 2018 00:09:02 +0800 |
parents | 8bba51a55704 |
children | f52919ffd3b1 |
rev | line source |
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1 #!/usr/bin/perl |
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2 # |
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3 # Walk through source, add labels and make classes |
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4 # |
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5 use strict; |
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6 use warnings; |
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7 |
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8 my %deplist; |
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9 |
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10 #open class file and write preamble |
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11 open(my $class, '>', 'tommath_class.h') or die "Couldn't open tommath_class.h for writing\n"; |
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12 print {$class} "#if !(defined(LTM1) && defined(LTM2) && defined(LTM3))\n#if defined(LTM2)\n#define LTM3\n#endif\n#if defined(LTM1)\n#define LTM2\n#endif\n#define LTM1\n\n#if defined(LTM_ALL)\n"; |
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13 |
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14 foreach my $filename (glob 'bn*.c') { |
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15 my $define = $filename; |
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16 |
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17 print "Processing $filename\n"; |
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18 |
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19 # convert filename to upper case so we can use it as a define |
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20 $define =~ tr/[a-z]/[A-Z]/; |
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21 $define =~ tr/\./_/; |
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22 print {$class} "#define $define\n"; |
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23 |
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24 # now copy text and apply #ifdef as required |
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25 my $apply = 0; |
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26 open(my $src, '<', $filename); |
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27 open(my $out, '>', 'tmp'); |
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28 |
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29 # first line will be the #ifdef |
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30 my $line = <$src>; |
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31 if ($line =~ /include/) { |
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32 print {$out} $line; |
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33 } else { |
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34 print {$out} "#include <tommath.h>\n#ifdef $define\n$line"; |
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35 $apply = 1; |
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36 } |
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37 while (<$src>) { |
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38 if (!($_ =~ /tommath\.h/)) { |
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39 print {$out} $_; |
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40 } |
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41 } |
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42 if ($apply == 1) { |
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43 print {$out} "#endif\n"; |
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44 } |
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45 close $src; |
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46 close $out; |
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47 |
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48 unlink $filename; |
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49 rename 'tmp', $filename; |
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50 } |
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51 print {$class} "#endif\n\n"; |
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52 |
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53 # now do classes |
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54 |
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55 foreach my $filename (glob 'bn*.c') { |
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56 open(my $src, '<', $filename) or die "Can't open source file!\n"; |
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57 |
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58 # convert filename to upper case so we can use it as a define |
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59 $filename =~ tr/[a-z]/[A-Z]/; |
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60 $filename =~ tr/\./_/; |
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61 |
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62 print {$class} "#if defined($filename)\n"; |
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63 my $list = $filename; |
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64 |
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65 # scan for mp_* and make classes |
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66 while (<$src>) { |
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67 my $line = $_; |
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68 while ($line =~ m/(fast_)*(s_)*mp\_[a-z_0-9]*/) { |
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69 $line = $'; |
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70 # now $& is the match, we want to skip over LTM keywords like |
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71 # mp_int, mp_word, mp_digit |
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72 if (!($& eq 'mp_digit') && !($& eq 'mp_word') && !($& eq 'mp_int') && !($& eq 'mp_min_u32')) { |
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73 my $a = $&; |
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74 $a =~ tr/[a-z]/[A-Z]/; |
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75 $a = 'BN_' . $a . '_C'; |
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76 if (!($list =~ /$a/)) { |
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77 print {$class} " #define $a\n"; |
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78 } |
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79 $list = $list . ',' . $a; |
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80 } |
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81 } |
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82 } |
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83 $deplist{$filename} = $list; |
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84 |
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85 print {$class} "#endif\n\n"; |
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86 close $src; |
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87 } |
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88 |
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89 print {$class} "#ifdef LTM3\n#define LTM_LAST\n#endif\n#include <tommath_superclass.h>\n#include <tommath_class.h>\n#else\n#define LTM_LAST\n#endif\n"; |
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90 close $class; |
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91 |
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92 #now let's make a cool call graph... |
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93 |
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94 open(my $out, '>', 'callgraph.txt'); |
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95 my $indent = 0; |
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96 my $list; |
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97 foreach (sort keys %deplist) { |
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98 $list = ''; |
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99 draw_func($deplist{$_}); |
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100 print {$out} "\n\n"; |
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101 } |
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102 close $out; |
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103 |
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104 sub draw_func |
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105 { |
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106 my @funcs = split ',', $_[0]; |
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107 if ($list =~ /$funcs[0]/) { |
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108 return; |
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109 } else { |
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110 $list = $list . $funcs[0]; |
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111 } |
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112 if ($indent == 0) { |
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113 } elsif ($indent >= 1) { |
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114 print {$out} '| ' x ($indent - 1) . '+--->'; |
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115 } |
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116 print {$out} $funcs[0] . "\n"; |
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117 shift @funcs; |
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118 my $temp = $list; |
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119 foreach my $i (@funcs) { |
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120 ++$indent; |
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121 draw_func($deplist{$i}) if exists $deplist{$i}; |
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122 --$indent; |
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123 } |
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124 $list = $temp; |
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125 return; |
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126 } |
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127 |