" This is going to be the GREATEST VIM PLUGIN EVAR!!!!!1

if v:version < 700

finish

endif

inoremap <silent> ( (<C-R>=ShowFunctionSignature()<CR>

inoremap <silent> <C-L> <C-O><C-L><C-R>=ShowFunctionSignature()<CR>

function! FindBestTagsForName(name, method, class)

silent! let tags = taglist('^' . a:name . '$')

if a:method

let filtered_tags = filter(copy(tags), 'has_key(v:val, "class")')

" could be module.ClassName too

if !empty(filtered_tags)

let tags = filtered_tags

if a:class != ""

let filtered_tags = filter(copy(tags), 'v:val.class == a:class')

if !empty(filtered_tags)

let tags = filtered_tags

endif

endif

endif

else

call filter(tags, '!has_key(v:val, "class")')

endif

let tests = filter(copy(tags), 'v:val["filename"] =~ "test"')

let tags = filter(tags, 'v:val["filename"] !~ "test"') + tests

return tags

endfunction

function! GetAllConstructors()

let signature = map(tagfiles(), 'v:val . ":" . getftime(v:val)')

if !exists("g:pfc_init_tags_cache") || !exists("g:pfc_init_tags_signature")

\ || signature != g:pfc_init_tags_signature

let g:pfc_init_tags_signature = signature

let g:pfc_init_tags_cache = taglist('^__init__$')

endif

return g:pfc_init_tags_cache

endfunction

function! FindConstructorForClass(name)

let tags = copy(GetAllConstructors())

let tags = filter(tags, 'has_key(v:val, "class") && v:val["class"] == a:name')

return tags

endfunction

function! GetWordLeftOfCursor()

let line = getline('.')

" magick adjustment to the left:

" word(X...

" 123456 <= col('.') is 6

" 0123 <= string indices

let col = col('.') - 3

if col('.') == col('$') - 1

" special case for end of line

" word(X

" 12345 <= col('.') is 5, col('$') is 6

" 0123 <= string indices

let col = col + 1

endif

if col < 0

return ""

endif

let word = matchstr(line[:col], '[.]\=[a-zA-Z_][a-zA-Z_0-9]*$')

return word

endfunction

function! ShowFunctionSignature(...)

if a:0 == 0

let name = GetWordLeftOfCursor()

else

let name = a:1

endif

if name == ''

return ''

endif

if name[0] == '.'

let name = name[1:]

let class = ''

let is_method = 1

elseif name =~ '[.]'

let [class, name] = split(name, '[.]')

let is_method = 1

else

let class = ''

let is_method = 0

endif

let tags = FindBestTagsForName(name, is_method, class)

if tags == []

return ''

endif

echo "Searching for " . name . "..."

if tags[0]['kind'] == 'c'

let tags = FindConstructorForClass(name)

if tags == []

echon " not found"

return ''

endif

endif

let nth = 0

if exists("b:PFS_last_pos") && b:PFS_last_pos == getpos(".")

let nth = b:PFS_last_nth + 1

if nth >= len(tags)

let nth = 0

endif

endif

let b:PFS_last_pos = getpos(".")

let b:PFS_last_nth = nth

let tag = tags[nth]

let signature = tag['cmd']

let signature = substitute(signature, '^/^', '', '')

let signature = substitute(signature, '$/$', '', '')

let signature = substitute(signature, '^\s*def ', '', '')

let signature = substitute(signature, '(self, ', '(', '')

let signature = substitute(signature, ',$', ', ...', '')

let signature = substitute(signature, ':$', '', '')

if has_key(tag, 'class')

let signature = tag['class'] . '.' . signature

endif

if len(tags) > 1

let signature = signature . " and " . (len(tags) - 1) . " more "

endif

let signature = signature . " "

let filename = tag['filename']

let width = &columns - len(signature)

if len(filename) > width

let width = width - 3

if width > 0

let filename = '...' . filename[len(filename)-width :]

else

let filename = ''

endif

else

let filename = printf("%*s", width, filename)

endif

echon "\r" . signature . filename

return ''

endfunction

" Example: queryAdapter(, getAdapter, queryUtility(

" TestRequest( __init__( def __init__(

" provideAdapter(

" queryUtility(

" TestRequest(

" interfaces.Invalid(