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fnsince.pl: a script to list version when all public APIs were added.

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Ryan C. Gordon
2021-10-26 12:12:52 -04:00
parent 1c6414603c
commit e8fbcf893a
1 changed files with 94 additions and 0 deletions
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build-scripts/fnsince.pl Executable file
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#!/usr/bin/perl -w
use warnings;
use strict;
use File::Basename;
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_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';
foreach my $release (@releases) {
foreach my $fn (sort keys %funcs) {
print("$fn: $funcs{$fn}\n") if $funcs{$fn} eq $release;
}
}