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% thisFunc name
% thisFunc line
% thisFunc file

function str = thisFunc(field)
%THISFUNC infor of currently running function

% carry with some debug info
% st(1): funcName st(2): currently running function

st = dbstack;
if length(st) > 1, n = 2; else n = 1; end

str = st(n).(field);

% thisFunc().file
% classdef thisFunc
%     properties
%        file, name, line 
%     end
%     
%     methods
%         function obj = thisFunc()
%             st = dbstack;
%             if length(st) > 1, n = 2; else n = 1; end
%             
%             s = st(n);
%             obj.file = s.file;
%             obj.name = s.name;
%             obj.line = s.line;
%         end
%     end
% end

function out = callerFunc(field)
%CALLERFUNC infor of current function's caller function

% carry with some debug info
% st(1): funcName st(2): currently running function

st = dbstack;
L = length(st);

if L < 3
    out = [];
    func = callerFunc;
    warning('callerFunc of ''%s'' not exist, see file ''%s'' line %d', ...
        func.name, func.file, func.line);
else
    if nargin == 0
        out = st(3);
    else
        out = st(3).(field);
    end
end