kc3-lang/SDL/build-scripts/fnsince.pl

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• Hash : 179a04f8
  Author :
  Date : 2021-10-26T21:01:05
  

  fnsince.pl: Don't print out the version numbers if updating the wiki.

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• build-scripts/fnsince.pl

• #!/usr/bin/perl -w
  
  use warnings;
  use strict;
  use File::Basename;
  use Cwd qw(abs_path);
  
  my $wikipath = undef;
  foreach (@ARGV) {
      $wikipath = abs_path($_), next if not defined $wikipath;
  }
  
  chdir(dirname(__FILE__));
  chdir('..');
  
  my @unsorted_releases = ();
  open(PIPEFH, '-|', 'git tag -l') or die "Failed to read git release tags: $!\n";
  
  while (<PIPEFH>) {
      chomp;
      if (/\Arelease\-(.*?)\Z/) {
          push @unsorted_releases, $1;
      }
  
  }
  close(PIPEFH);
  
  #print("\n\nUNSORTED\n");
  #foreach (@unsorted_releases) {
  #    print "$_\n";
  #}
  
  my @releases = sort {
      my @asplit = split /\./, $a;
      my @bsplit = split /\./, $b;
      my $rc;
      for (my $i = 0; $i < scalar(@asplit); $i++) {
          return 1 if (scalar(@bsplit) <= $i);  # a is "2.0.1" and b is "2.0", or whatever.
          my $aseg = $asplit[$i];
          my $bseg = $bsplit[$i];
          $rc = int($aseg) <=> int($bseg);
          return $rc if ($rc != 0);  # found the difference.
      }
      return 0;  # still here? They matched completely?!
  } @unsorted_releases;
  
  #print("\n\nSORTED\n");
  #foreach (@releases) {
  #    print "$_\n";
  #}
  
  push @releases, 'HEAD';
  
  my %funcs = ();
  foreach my $release (@releases) {
      #print("Checking $release...\n");
      next if ($release eq '2.0.0') || ($release eq '2.0.1');  # no dynapi before 2.0.2
      my $assigned_release = ($release eq '2.0.2') ? '2.0.0' : $release;  # assume everything in 2.0.2--first with dynapi--was there since 2.0.0. We'll fix it up later.
      my $tag = ($release eq 'HEAD') ? $release : "release-$release";
      my $blobname = "$tag:src/dynapi/SDL_dynapi_overrides.h";
      open(PIPEFH, '-|', "git show '$blobname'") or die "Failed to read git blob '$blobname': $!\n";
      while (<PIPEFH>) {
          chomp;
          if (/\A\#define\s+(SDL_.*?)\s+SDL_.*?_REAL\Z/) {
              my $fn = $1;
              $funcs{$fn} = $assigned_release if not defined $funcs{$fn};
          }
      }
      close(PIPEFH);
  }
  
  # Fixup the handful of functions that were added in 2.0.1 and 2.0.2 that we
  #  didn't have dynapi revision data about...
  $funcs{'SDL_GetSystemRAM'} = '2.0.1';
  $funcs{'SDL_GetBasePath'} = '2.0.1';
  $funcs{'SDL_GetPrefPath'} = '2.0.1';
  $funcs{'SDL_UpdateYUVTexture'} = '2.0.1';
  $funcs{'SDL_GL_GetDrawableSize'} = '2.0.1';
  $funcs{'SDL_Direct3D9GetAdapterIndex'} = '2.0.1';
  $funcs{'SDL_RenderGetD3D9Device'} = '2.0.1';
  
  $funcs{'SDL_GetAssertionHandler'} = '2.0.2';
  $funcs{'SDL_GetDefaultAssertionHandler'} = '2.0.2';
  $funcs{'SDL_AtomicAdd'} = '2.0.2';
  $funcs{'SDL_AtomicGet'} = '2.0.2';
  $funcs{'SDL_AtomicGetPtr'} = '2.0.2';
  $funcs{'SDL_AtomicSet'} = '2.0.2';
  $funcs{'SDL_AtomicSetPtr'} = '2.0.2';
  $funcs{'SDL_HasAVX'} = '2.0.2';
  $funcs{'SDL_GameControllerAddMappingsFromRW'} = '2.0.2';
  $funcs{'SDL_acos'} = '2.0.2';
  $funcs{'SDL_asin'} = '2.0.2';
  $funcs{'SDL_vsscanf'} = '2.0.2';
  $funcs{'SDL_DetachThread'} = '2.0.2';
  $funcs{'SDL_GL_ResetAttributes'} = '2.0.2';
  $funcs{'SDL_DXGIGetOutputInfo'} = '2.0.2';
  
  # these are incorrect in the dynapi header, because we forgot to add them
  #  until a later release, but are available in the older release.
  $funcs{'SDL_WinRTGetFSPathUNICODE'} = '2.0.3';
  $funcs{'SDL_WinRTGetFSPathUTF8'} = '2.0.3';
  $funcs{'SDL_WinRTRunApp'} = '2.0.3';
  
  if (not defined $wikipath) {
      foreach my $release (@releases) {
          foreach my $fn (sort keys %funcs) {
              print("$fn: $funcs{$fn}\n") if $funcs{$fn} eq $release;
          }
      }
  } else {
      if (defined $wikipath) {
          chdir($wikipath);
          foreach my $fn (keys %funcs) {
              my $revision = $funcs{$fn};
              $revision = 'git HEAD (in development, not in an official release yet)' if $revision eq 'HEAD';
              my $fname = "$fn.mediawiki";
              if ( ! -f $fname ) {
                  #print STDERR "No such file: $fname\n";
                  next;
              }
  
              my @lines = ();
              open(FH, '<', $fname) or die("Can't open $fname for read: $!\n");
              my $added = 0;
              while (<FH>) {
                  chomp;
                  if ((/\A\-\-\-\-/) && (!$added)) {
                      push @lines, "== Version ==";
                      push @lines, "";
                      push @lines, "This function is available since SDL $revision.";
                      push @lines, "";
                      $added = 1;
                  }
                  push @lines, $_;
                  next if not /\A\=\=\s+Version\s+\=\=/;
                  $added = 1;
                  push @lines, "";
                  push @lines, "This function is available since SDL $revision.";
                  push @lines, "";
                  while (<FH>) {
                      chomp;
                      next if not (/\A\=\=\s+/ || /\A\-\-\-\-/);
                      push @lines, $_;
                      last;
                  }
              }
              close(FH);
  
              if (!$added) {
                  push @lines, "== Version ==";
                  push @lines, "";
                  push @lines, "This function is available since SDL $revision.";
                  push @lines, "";
              }
  
              open(FH, '>', $fname) or die("Can't open $fname for write: $!\n");
              foreach (@lines) {
                  print FH "$_\n";
              }
              close(FH);
          }
      }
  }
  
  

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