nl_tokens: Compares a function scope heap structure old and new version whether it changed or not . Returns explanation if they differ .
pl_tokens: function IsFunctionContextLocalsChanged ( function_info1 , function_info2 ) { var scope_info1 = function_info1 . scope_info ; var scope_info2 = function_info2 . scope_info ; var scope_info1_text ; var scope_info2_text ; if ( scope_info1 ) { scope_info1_text = scope_info1 . toString ( ) ; } else { scope_info1_text = "" ; } if ( scope_info2 ) { scope_info2_text = scope_info2 . toString ( ) ; } else { scope_info2_text = "" ; } if ( scope_info1_text != scope_info2_text ) { return "Variable map changed: [" + scope_info1_text + "] => [" + scope_info2_text + "]" ; } // No differences. Return undefined. <mask> ; }