284 lines
8.4 KiB
Perl
284 lines
8.4 KiB
Perl
#!/usr/bin/perl
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use strict;
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use warnings;
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use autodie; # die if problem reading or writing a file
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my $filein = "./agast.txt";
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my $fileout = "./agast_new.txt";
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my $i1=1;
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my $i2=1;
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my $i3=1;
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my $tmp;
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my $ifcount0=0;
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my $ifcount1=0;
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my $ifcount2=0;
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my $ifcount3=0;
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my $ifcount4=0;
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my $elsecount;
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my $myfirstline = $ARGV[0];
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my $mylastline = $ARGV[1];
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my $tablename = $ARGV[2];
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my @array0 = ();
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my @array1 = ();
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my @array2 = ();
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my @array3 = ();
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my $homogeneous;
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my $success_homogeneous;
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my $structured;
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my $success_structured;
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open(my $in1, "<", $filein) or die "Can't open $filein: $!";
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open(my $out, ">", $fileout) or die "Can't open $fileout: $!";
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$array0[0] = 0;
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$i1=1;
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while (my $line1 = <$in1>)
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{
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chomp $line1;
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$array0[$i1] = 0;
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if (($i1>=$myfirstline)&&($i1<=$mylastline))
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{
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if($line1=~/if\(ptr\[offset(\d+)/)
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{
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if($line1=~/if\(ptr\[offset(\d+).*\>.*cb/)
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{
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$tmp=$1;
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}
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else
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{
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if($line1=~/if\(ptr\[offset(\d+).*\<.*c\_b/)
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{
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$tmp=$1+128;
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}
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else
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{
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die "invalid array index!"
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}
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}
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$array1[$ifcount1] = $tmp;
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$array0[$ifcount1] = $i1;
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$ifcount1++;
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}
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else
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{
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}
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}
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$i1++;
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}
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$homogeneous=$ifcount1;
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$success_homogeneous=$ifcount1+1;
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$structured=$ifcount1+2;
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$success_structured=$ifcount1+3;
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close $in1 or die "Can't close $filein: $!";
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open($in1, "<", $filein) or die "Can't open $filein: $!";
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$i1=1;
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while (my $line1 = <$in1>)
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{
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chomp $line1;
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if (($i1>=$myfirstline)&&($i1<=$mylastline))
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{
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if ($array0[$ifcount2] == $i1)
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{
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$array2[$ifcount2]=0;
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$array3[$ifcount2]=0;
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if ($array0[$ifcount2+1] == ($i1+1))
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{
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$array2[$ifcount2]=($ifcount2+1);
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}
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else
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{
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open(my $in2, "<", $filein) or die "Can't open $filein: $!";
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$i2=1;
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while (my $line2 = <$in2>)
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{
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chomp $line2;
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if ($i2 == $i1)
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{
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last;
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}
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$i2++;
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}
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my $line2 = <$in2>;
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chomp $line2;
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if ($line2=~/goto (\w+)/)
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{
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$tmp=$1;
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if ($tmp eq "homogeneous")
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{
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$array2[$ifcount2]=$homogeneous;
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}
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if ($tmp eq "success_homogeneous")
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{
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$array2[$ifcount2]=$success_homogeneous;
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}
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if ($tmp eq "structured")
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{
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$array2[$ifcount2]=$structured;
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}
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if ($tmp eq "success_structured")
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{
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$array2[$ifcount2]=$success_structured;
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}
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}
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else
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{
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die "goto expected: $!";
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}
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close $in2 or die "Can't close $filein: $!";
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}
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#find next else and interpret it
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open(my $in3, "<", $filein) or die "Can't open $filein: $!";
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$i3=1;
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$ifcount3=0;
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$elsecount=0;
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while (my $line3 = <$in3>)
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{
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chomp $line3;
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$i3++;
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if ($i3 == $i1)
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{
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last;
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}
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}
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while (my $line3 = <$in3>)
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{
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chomp $line3;
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$ifcount3++;
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if (($elsecount==0)&&($i3>$i1))
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{
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if ($line3=~/goto (\w+)/)
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{
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$tmp=$1;
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if ($tmp eq "homogeneous")
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{
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$array3[$ifcount2]=$homogeneous;
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}
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if ($tmp eq "success_homogeneous")
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{
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$array3[$ifcount2]=$success_homogeneous;
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}
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if ($tmp eq "structured")
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{
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$array3[$ifcount2]=$structured;
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}
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if ($tmp eq "success_structured")
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{
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$array3[$ifcount2]=$success_structured;
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}
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}
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else
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{
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if ($line3=~/if\(ptr\[offset/)
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{
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$ifcount4=0;
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while ($array0[$ifcount4]!=$i3)
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{
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$ifcount4++;
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if ($ifcount4==$ifcount1)
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{
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die "if else match expected: $!";
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}
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$array3[$ifcount2]=$ifcount4;
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}
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}
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else
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{
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die "elseif or elsegoto match expected: $!";
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}
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}
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last;
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}
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else
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{
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if ($line3=~/if\(ptr\[offset/)
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{
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$elsecount++;
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}
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else
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{
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if ($line3=~/else/)
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{
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$elsecount--;
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}
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}
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}
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$i3++;
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}
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printf("%3d [%3d][0x%08x]\n", $array0[$ifcount2], $ifcount2, (($array1[$ifcount2]&15)<<28)|($array2[$ifcount2]<<16)|(($array1[$ifcount2]&128)<<5)|($array3[$ifcount2]));
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close $in3 or die "Can't close $filein: $!";
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$ifcount2++;
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}
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else
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{
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}
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}
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$i1++;
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}
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printf(" [%3d][0x%08x]\n", $homogeneous, 252);
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printf(" [%3d][0x%08x]\n", $success_homogeneous, 253);
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printf(" [%3d][0x%08x]\n", $structured, 254);
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printf(" [%3d][0x%08x]\n", $success_structured, 255);
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close $in1 or die "Can't close $filein: $!";
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$ifcount0=0;
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$ifcount2=0;
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printf $out " static const unsigned long %s[] = {\n ", $tablename;
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while ($ifcount0 < $ifcount1)
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{
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printf $out "0x%08x, ", (($array1[$ifcount0]&15)<<28)|($array2[$ifcount0]<<16)|(($array1[$ifcount0]&128)<<5)|($array3[$ifcount0]);
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$ifcount0++;
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$ifcount2++;
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if ($ifcount2==8)
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{
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$ifcount2=0;
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printf $out "\n";
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printf $out " ";
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}
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}
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printf $out "0x%08x, ", 252;
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$ifcount0++;
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$ifcount2++;
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if ($ifcount2==8)
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{
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$ifcount2=0;
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printf $out "\n";
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printf $out " ";
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}
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printf $out "0x%08x, ", 253;
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$ifcount0++;
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$ifcount2++;
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if ($ifcount2==8)
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{
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$ifcount2=0;
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printf $out "\n";
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printf $out " ";
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}
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printf $out "0x%08x, ", 254;
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$ifcount0++;
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$ifcount2++;
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if ($ifcount2==8)
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{
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$ifcount2=0;
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printf $out "\n";
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printf $out " ";
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}
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printf $out "0x%08x\n", 255;
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$ifcount0++;
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$ifcount2++;
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printf $out " };\n\n";
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$#array0 = -1;
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$#array1 = -1;
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$#array2 = -1;
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$#array3 = -1;
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close $out or die "Can't close $fileout: $!";
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