" Set debugging functions.

" DESC: Get debug information about pymode problem.
fun! pymode#debug#sysinfo() "{{{
 " OS info. {{{
 let l:os_name = "Unknown"
 if has('win16') || has('win32') || has('win64')
 let l:os_name = "Windows"
 else
 let l:os_name = substitute(system('uname'), "\n", "", "")
 endif
 call pymode#debug("Operating system: " . l:os_name)
 " }}}
 " Loaded scripts info. {{{
 call pymode#debug("Scriptnames:")
 let l:scriptnames_var = execute('scriptnames')
 " }}}
 " Variables info. {{{
 " Drop verbose file temporarily to prevent the 'let' from showing up.
 let l:tmp = &verbosefile
 set verbosefile=
 let l:all_variables = filter(
 \ split(execute('let', 'silent!'), '\n'),
 \ 'v:val =~ "^pymode"')
 let &verbosefile = l:tmp
 " NOTE: echom does not display multiline messages. Thus a for loop is
 " needed.
 call pymode#debug("Pymode variables:")
 for pymodevar in sort(l:all_variables)
 echom pymodevar
 endfor
 " }}}
 " Git commit info. {{{
 " Find in the scriptnames the first occurence of 'python-mode'. Then parse
 " the result outputting its path. This is in turn fed into the git command.
 call pymode#debug("Git commit: ")
 let l:pymode_folder = substitute(
 \ filter(
 \ split(l:scriptnames_var, '\n'),
 \ 'v:val =~ "/python-mode/"')[0],
 \ '\(^\s\+[0-9]\+:\s\+\)\([/~].*python-mode\/\)\(.*\)',
 \ '2円',
 \ '')
 let l:git_head_sha1 = system('git -C ' . expand(l:pymode_folder). ' rev-parse HEAD ' )
 echom join(filter(split(l:git_head_sha1, '\zs'), 'v:val =~? "[0-9A-Fa-f]"'), '')
 " }}}
 " Git submodules status. {{{
 call pymode#debug("Git submodule status:")
 let l:git_submodule_status = system('git -C ' . expand(l:pymode_folder). ' submodule status')
 for submodule in split(l:git_submodule_status, '\n')
 echom submodule
 endfor
 " }}}
 call pymode#debug("End of pymode#debug#sysinfo")
endfunction "}}}

" DESC: Define debug folding function.
function! pymode#debug#foldingexpr(lnum) "{{{
 let l:get_folding_result = pymode#folding#foldcase(a:lnum)
 " NOTE: the 'has folding:' expression is special in the pymode#debug.
 call pymode#debug(
 \ 'line ' . a:lnum
 \ . ' has folding: ' . l:get_folding_result['foldlevel']
 \ . ' with foldcase ' . l:get_folding_result['foldcase'])
 return l:get_folding_result['foldlevel']
endfunction
" }}}