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ffi = require 'ffi'
-- load neovim shared library
libnvim = ffi.load './build/src/libnvim-test.so'
-- Luajit ffi parser only understands function signatures.
-- This helper function normalizes headers, passes to ffi and returns the
-- library pointer
cimport = (path) ->
-- Can't parse some of vim types, perhaps need to define those before
-- automatically importing to ffi
-- header_file = io.open path, 'rb'
-- header = header_file\read '*a'
-- header_file.close!
-- header = string.gsub header, '#include[^\n]*\n', ''
-- header = string.gsub header, '#ifndef[^\n]*\n', ''
-- header = string.gsub header, '#define[^\n]*\n', ''
-- header = string.gsub header, '#endif[^\n]*\n', ''
-- ffi.cdef header
return libnvim
-- take a pointer to a C-allocated string and return an interned
-- version while also freeing the memory
internalize = (cdata) ->
ffi.gc cdata, ffi.C.free
return ffi.string cdata
return {
cimport: cimport
internalize: internalize
eq: (expected, actual) -> assert.are.same expected, actual
ffi: ffi
}
|
