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If this is the input kk.java:
public class test { public static final test alpha = new test("foo", "bar"); public static final test beta = new test("baz", "boo"); } public class test2 { public static final test2 alpha2 = new test2("foo", "bar"); public static final test2 beta2 = new test2("baz", "boo"); public static final test alpha = new test("foo", "bar"); public static final test beta = new test("baz", "boo"); }
And this the code one line:
perl -MData::Dumper -le 'undef $/;$javafile = <>; while ( $javafile =~ + / class (\w+) (.*?)^\}/smg ) { ($class,$body) = ($1,$2); while ( $bo +dy =~ /(\w+)\s*=\s*new\s+$class\s*\((.*)\)/g) { ($variable,$parameter +s)=($1,$2); foreach $v (split",",$parameters){ $v =~ s/[ "]//g; push +@{$var{$class}{$variable}},$v } } }; print Dumper %var ' kk.java
this is the result:
$VAR1 = 'test'; $VAR2 = { 'alpha' => [ 'foo', 'bar' ], 'beta' => [ 'baz', 'boo' ] }; $VAR3 = 'test2'; $VAR4 = { 'alpha2' => [ 'foo', 'bar' ], 'beta2' => [ 'baz', 'boo' ] };
Updated: Not oneline version:
#!/usr/bin/perl use Data::Dumper; use diagnostics; use warnings; use strict; undef $/; my %vars; # My vars space my $javafile = <>; # Read the java src # Read all class' bodies while ( $javafile =~ / class (\w+) (.*?)^\}/smg ) { my ($class,$body) = ($1,$2); # Read all vars' declarations while ( $body =~ /(\w+)\s*=\s*new\s+$class\s*\((.*)\)/g) { my ($variable,$parameters)=($1,$2); # Split parameters foreach my $v ( split ",",$parameters ) { # Filter bad characters $v =~ s/[ \"]//g; # Parameters falling into the black hole push @{ $vars{$class}{$variable} }, $v; } } } # Out of the space print Dumper %vars;
Updated. Edited for last test.

In reply to Re: parsing a java src file by explorer
in thread parsing a java src file by rmexico

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