100 lines
2.5 KiB
Elixir
100 lines
2.5 KiB
Elixir
% elixir: cache
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module Code
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% Returns the extra argv options given when elixir is invoked.
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def argv
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server_call 'argv
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end
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% Returns all loaded files.
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def loaded_files
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server_call 'loaded
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end
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% Return all paths, including Erlang ones.
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def paths
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Erlang.code.get_paths.map _.to_bin
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end
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% Prepend a path to Erlang's code path.
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def prepend_path(path)
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Erlang.code.add_patha path.to_char_list
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end
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% Append a path to Erlang's code path.
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def append_path(path)
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Erlang.code.add_pathz path.to_char_list
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end
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% Returns elixir version.
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def version
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"0.2.0.dev"
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end
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def require(_file)
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IO.puts "[ELIXIR] Code.require is deprecated. Elixir now compile files and " \
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"relies on Erlang's autoload. Check the README for more information."
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end
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% Compile a *file* and add the result to the given *destination*. Destination
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% needs to be a directory.
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def compile_file(file, destination)
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Erlang.elixir_compiler.file(file.to_char_list, destination.to_char_list)
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end
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% Require the given *file*. Accepts *relative_to* as an argument to tell
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% where the file is located. If the file was already required/loaded,
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% returns nil, otherwise the full path of the loaded file.
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%
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% When requiring a file, you may skip passing .exs as extension as Elixir
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% automatically adds it for you.
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def require_file(file, relative_to := nil)
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file = find_file(file, relative_to)
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if loaded_files.include?(file)
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nil
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else
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load_and_push_file file
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end
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end
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% Require the given *file*. Accepts *relative_to* as an argument to tell
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% where the file is located. If the file was already required/loaded,
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% loads it again. It returns the full path of the loaded file.
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%
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% When loading a file, you may skip passing .exs as extension as Elixir
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% automatically adds it for you.
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def load_file(file, relative_to := nil)
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load_and_push_file find_file(file, relative_to)
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end
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private
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def load_and_push_file(file)
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server_call { 'loaded, file }
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Erlang.elixir.file file.to_char_list
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file
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end
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def find_file(file, relative_to)
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file = if relative_to
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File.expand_path(file, relative_to)
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else
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File.expand_path(file)
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end
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if File.regular?(file)
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file
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else
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file = file + ".exs"
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if File.regular?(file)
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file
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else
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error { 'enoent, file }
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end
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end
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end
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def server_call(args)
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GenServer.call('elixir_code_server, args)
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end
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end |