PLS::Parser::DocumentSymbols
This class parses a document to find all symbols. It returns a hierachy of the symbols, so that a tree structure can be displayed.
To install PLS, copy and paste the appropriate command in to your terminal.
cpanm
cpanm PLS
CPAN shell
perl -MCPAN -e shell install PLS
For more information on module installation, please visit the detailed CPAN module installation guide.