Now it works for more complex structures as well as long as they are wellformed.
use strict;
use warnings;
my $string = <<STRUCT;
a = 0
mm struct
a = 1
b = 3
m1 struct =
c = 4
d = 5
m2 struct =
f = 9
e = 7
m3 struct =
h = 124
STRUCT
my @lines = split /\n/, $string;
my @levels;
my $ind = 0;
my $oldind;
for( my $i=0; $i<@lines; ++$i ) {
$oldind = $ind;
$lines[$i] =~ /^(\s*)/;
$ind = length( $1 );
push @levels, $ind if $i==0;
$lines[$i] .= ";" if $lines[$i] =~ /\S+\s*=\s*\S+/;
next if $i==0 or $ind == $oldind;
if( $ind > $oldind ) {
$lines[$i-1] .= " {";
push @levels, $ind;
} elsif( $ind < $oldind ) {
while( $levels[-1] > $ind ) {
pop @levels;
$lines[$i-1] .= "\n"." "x$levels[-1]."}";
}
}
}
while( $levels[-1] > $levels[0] ) {
pop @levels;
$lines[-1] .= "\n"." "x$levels[-1]."}";
}
print join "\n", @lines, "\n";
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