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find_deps.ex
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85 lines (68 loc) · 3.08 KB
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defmodule ElixirScript.Passes.FindDeps do
@moduledoc false
alias ElixirScript.Translator.Utils
def execute(compiler_data, _) do
data = Enum.map(compiler_data.data, &do_find_dependencies(&1))
Map.put(compiler_data, :data, data)
end
defp do_find_dependencies({ module, module_data }) do
{_, deps} = Macro.prewalk(module_data.ast, [], &collect_references(&1, &2))
{ module, Map.put(module_data, :deps, [ElixirScript.Kernel] ++ deps) }
end
defp collect_references({:import, _, [{{:., _, [{:__aliases__, _, head_import_name}, :{}]}, _, tail_imports }]}, state) do
deps = Enum.map(tail_imports, fn({:__aliases__, context, name}) ->
full_module_name = { :__aliases__, context, head_import_name ++ name }
Utils.quoted_to_name(full_module_name)
end)
state ++ deps
end
defp collect_references({:import, _, [{:__aliases__, _, _} = module_name]} = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ ast, state ++ [module_name] }
end
defp collect_references({:import, _, [{:__aliases__, _, _} = module_name, _]} = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ast, state ++ [module_name] }
end
defp collect_references({:alias, _, [{{:., _, [{:__aliases__, _, head_alias_name}, :{}]}, _, tail_aliases }]} = ast, state) do
deps = Enum.map(tail_aliases, fn({:__aliases__, context, name}) ->
full_module_name = { :__aliases__, context, head_alias_name ++ name }
Utils.quoted_to_name(full_module_name)
end)
{ ast, state ++ deps }
end
defp collect_references({:alias, _, [{:__aliases__, _, _} = module_name] } = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ ast, state ++ [module_name] }
end
defp collect_references({:alias, _, [{:__aliases__, _, _} = module_name, _]} = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ast, state ++ [module_name] }
end
defp collect_references({:require, _, [{{:., _, [{:__aliases__, _, head_alias_name}, :{}]}, _, tail_aliases }]} = ast, state) do
deps = Enum.map(tail_aliases, fn({:__aliases__, context, name}) ->
full_module_name = { :__aliases__, context, head_alias_name ++ name }
Utils.quoted_to_name(full_module_name)
end)
{ ast, state ++ deps }
end
defp collect_references({:require, _, [{:__aliases__, _, _} = module_name] } = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ ast, state ++ [module_name] }
end
defp collect_references({:require, _, [{:__aliases__, _, _} = module_name, _]} = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ ast, state ++ [module_name] }
end
defp collect_references({:., _, [{:__aliases__, _, _} = module_name, _]} = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ ast, state ++ [module_name] }
end
defp collect_references({{:., _, [{:__aliases__, _, _} = module_name, _]}, _, _ } = ast, state) do
module_name = Utils.quoted_to_name(module_name)
{ ast, state ++ [module_name] }
end
defp collect_references(ast, state) do
{ ast, state }
end
end