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let s:bridge_id = 0
let s:sources = {}
"
" cmp#register_source
"
function! cmp#register_source(name, source) abort
let l:methods = []
for l:method in ['is_available', 'get_debug_name', 'get_trigger_characters', 'get_keyword_pattern', 'complete', 'execute', 'resolve']
if has_key(a:source, l:method) && type(a:source[l:method]) == v:t_func
call add(l:methods, l:method)
endif
endfor
let s:bridge_id += 1
let a:source.bridge_id = s:bridge_id
let a:source.id = luaeval('require("cmp").register_source(_A[1], require("cmp.vim_source").new(_A[2], _A[3]))', [a:name, s:bridge_id, l:methods])
let s:sources[s:bridge_id] = a:source
return a:source.id
endfunction
"
" cmp#unregister_source
"
function! cmp#unregister_source(id) abort
if has_key(s:sources, a:id)
unlet s:sources[a:id]
endif
call luaeval('require("cmp").unregister_source(_A)', a:id)
endfunction
"
" cmp#_method
"
function! cmp#_method(bridge_id, method, args) abort
try
let l:source = s:sources[a:bridge_id]
if a:method ==# 'is_available'
return l:source[a:method]()
elseif a:method ==# 'get_debug_name'
return l:source[a:method]()
elseif a:method ==# 'get_keyword_pattern'
return l:source[a:method](a:args[0])
elseif a:method ==# 'get_trigger_characters'
return l:source[a:method](a:args[0])
elseif a:method ==# 'complete'
return l:source[a:method](a:args[0], s:callback(a:args[1]))
elseif a:method ==# 'resolve'
return l:source[a:method](a:args[0], s:callback(a:args[1]))
elseif a:method ==# 'execute'
return l:source[a:method](a:args[0], s:callback(a:args[1]))
endif
catch /.*/
echomsg string({ 'exception': v:exception, 'throwpoint': v:throwpoint })
endtry
return v:null
endfunction
"
" s:callback
"
function! s:callback(id) abort
return { ... -> luaeval('require("cmp.vim_source").on_callback(_A[1], _A[2])', [a:id, a:000]) }
endfunction
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