Module: FFI::Library

Defined in:
lib/ffi-compiler/fake_ffi/ffi.rb

Constant Summary collapse

TypeMap = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(mod) ⇒ Object 



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# File 'lib/ffi-compiler/fake_ffi/ffi.rb', line 167

def self.extended(mod)
  FFI.exporter.mod = mod
end

Instance Method Details

#attach_function(name, func, args, returns = nil, options = nil) ⇒ Object 



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# File 'lib/ffi-compiler/fake_ffi/ffi.rb', line 171

def attach_function(name, func, args, returns = nil, options = nil)
  mname, a2, a3, a4, a5 = name, func, args, returns, options
  cname, arg_types, ret_type, opts = (a4 && (a2.is_a?(String) || a2.is_a?(Symbol))) ? [ a2, a3, a4, a5 ] : [ mname.to_s, a2, a3, a4 ]
  arg_types = arg_types.map { |e| find_type(e) }
  FFI.exporter.attach(mname, cname, find_type(ret_type), arg_types)
end

#callback(*args) ⇒ Object 



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# File 'lib/ffi-compiler/fake_ffi/ffi.rb', line 182

def callback(*args)
  name, params, ret = if args.length == 3
    args
  else
    [ nil, args[0], args[1] ]
  end
  native_params = params.map { |e| find_type(e) }
  cb = FFI::CallbackInfo.new(find_type(ret), native_params)
  FFI.exporter.callback(name, cb) if name
end

#ffi_lib(*args) ⇒ Object 



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# File 'lib/ffi-compiler/fake_ffi/ffi.rb', line 178

def ffi_lib(*args)

end

#find_type(type) ⇒ Object 



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# File 'lib/ffi-compiler/fake_ffi/ffi.rb', line 194

def find_type(type)
  t = TypeMap[type]
  return t unless t.nil?
  
  if type.is_a?(Class) && type < Struct
    return TypeMap[type] = StructByReference.new(type)
  end

  TypeMap[type] = FFI.find_type(type)
end