Try perl -MO=Xref your_script.pl which produces this sort of output.

... skipping more output ...
File GraphLotusScript.pl
    ... skipping some output ...
    Package main
      &class            s158
      &const            s164
      &function         s152
      &library          s171
      &main             s41
      &read_source      s63
      &subroutine       s146
      &unhandled        s263
      &usage            s132
      &variable         s141
  Subroutine (main)
    Package main
      $GRAPHVIZ         19
      $OUT_FILE         22
      $OUT_FMT          21
      $SHOW_ALL         31
      $SHOW_CLASSES     31
      $SHOW_CODE        30, 31
      $SHOW_CONSTANTS   31
      $SHOW_FUNCTIONS   31
      $SHOW_LIBRARIES   31
      $SHOW_SUBS        31
      $SHOW_VARIABLES   31
      $VIEW             20
      %SHAPES           23
      &GetOptions       &31
      &main             &41
      @ARGV             41
  Subroutine class
    Package (lexical)
      $name             i200, 202
      $self             i202, 203
      %$self            203, 204
      %%$self           204, 206
      %%%$self          206, 210
      %%%%$self         210
    Package main
      $ORDER            203
      $_                210, 210
      %STASH            202
      @_                200
  Subroutine const
    Package (lexical)
      $name             i233, 235
      $self             i235, 236
      %$self            236, 237
      %%$self           237, 238
      %%%$self          238
    Package main
      $ORDER            236
      %STASH            235
      @_                233
  Subroutine function
    Package (lexical)
      $name             i183, 185
      $self             i185, 186
      %$self            186, 187
      %%$self           187, 189
      %%%$self          189, 193
      %%%%$self         193
    Package main
      $ORDER            186
      $_                193, 193
      %STASH            185
      @_                183
  Subroutine library
    Package (lexical)
      $name             i243, 245
      $self             i245, 246
      %$self            246, 247
      %%$self           247, 248
      %%%$self          248
    Package main
      $ORDER            246
      %STASH            245
      @_                243
  Subroutine main
    Package (lexical)
      $file             i64, 60, 60
      $first_file       i46, 47, 49, 49, 120, 120, 124
      $match            105, 106
      $object           77, 91
      $shape            i78, 81
      $source           i91, 93
      $type             i77, 78, 78
      %$object          77, 81, 91, 105, 105
      %%$object         105, 106
      @files            i45, 64
    Package CORE::GLOBAL
      &glob             &45
    Package main
      $!                49, 60
      $GRAPHVIZ         120
      $OBJECT           55
      $OUT_FILE         120, 124
      $OUT_FMT          120
      $VIEW             124
      $_                45, 45, 72, 86, 93, 93
      %SHAPES           78
      %STASH            55, 72, 77, 86, 91, 93, 105, 110
      &read_source      &63
      *DOT              51, 81, 84, 106, 116
      *SOURCE           60, 64
      @_                45
  Subroutine read_source
    Package main
      $1                141, 146, 152, 158, 164, 171
      $OBJECT           138
      $SHOW_ALL         141, 146, 152, 158, 164, 171
      $SHOW_CLASSES     158
      $SHOW_CODE        146, 152, 158
      $SHOW_CONSTANTS   164
      $SHOW_FUNCTIONS   152
      $SHOW_LIBRARIES   171
      $SHOW_SUBS        146
      $SHOW_VARIABLES   141
      $_                138, 141
      %$OBJECT          138
      &class            &158
      &const            &164
      &function         &152
      &library          &171
      &subroutine       &146
      &variable         &141
  Subroutine subroutine
    Package (lexical)
      $name             i217, 219
      $self             i219, 220
      %$self            220, 221
      %%$self           221, 222
      %%%$self          222, 227
      %%%%$self         227
    Package main
      $ORDER            220
      $_                227, 227
      %STASH            219
      @_                217
  Subroutine usage
    Package main
      $0                130
  Subroutine variable
    Package (lexical)
      $name             i253, 254
      $self             i254, 255
      %$self            255, 256
      %%$self           256, 257
      %%%$self          257
    Package main
      $ORDER            255
      %STASH            254
      @_                253
... skipping more output ...

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Considered: radiantmatrix Serious need for trimming or readmore tags
Unconsidered: ysth upon consultation with author - Keep/Edit/Delete: 6/21/0

In reply to Re: self-reporting perl code: how can it be done? by diotalevi
in thread self-reporting perl code: how can it be done? by dimar

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