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state.ex
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175 lines (141 loc) · 4.25 KB
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defmodule ElixirScript.State do
@moduledoc false
# Holds the state for the ElixirScript compiler
def start_link(compiler_opts) do
Agent.start_link(fn ->
%{
modules: Keyword.new(),
js_modules: [],
in_memory_modules: [],
compiler_opts: compiler_opts
}
end)
end
def stop(pid) do
Agent.stop(pid)
end
def get_module(pid, module) do
Agent.get(pid, fn state ->
Keyword.get(state.modules, module)
end)
end
def put_module(pid, module, value) do
Agent.update(pid, fn state ->
value =
Map.put_new(value, :used, [])
|> Map.put_new(:used_modules, [])
modules = Keyword.put(state.modules, module, value)
%{state | modules: modules}
end)
end
def put_used_module(pid, module, used_module) do
Agent.update(pid, fn state ->
module_info = Keyword.get(state.modules, module)
used_modules = Map.get(module_info, :used_modules, [])
used_modules = Enum.uniq([used_module | used_modules])
module_info = Map.put(module_info, :used_modules, used_modules)
modules = Keyword.put(state.modules, module, module_info)
%{state | modules: modules}
end)
end
def has_used?(pid, module, func) do
Agent.get(pid, fn state ->
module_info = Keyword.get(state.modules, module)
used = Map.get(module_info, :used, [])
Enum.find(used, fn x -> x == func end) != nil
end)
end
def put_used(pid, module, {_function, _arity} = func) do
Agent.update(pid, fn state ->
module_info = Keyword.get(state.modules, module)
used = Map.get(module_info, :used, [])
used = [func | used]
module_info = Map.put(module_info, :used, used)
modules = Keyword.put(state.modules, module, module_info)
%{state | modules: modules}
end)
end
def put_javascript_module(pid, module, name, path) do
Agent.update(pid, fn state ->
js_modules = Map.get(state, :js_modules, [])
js_modules = [{module, name, path} | js_modules]
%{state | js_modules: js_modules}
end)
end
def put_diagnostic(pid, module, diagnostic) do
Agent.update(pid, fn state ->
module_info = Keyword.get(state.modules, module)
if module_info do
diagnostics = Map.get(module_info, :diagnostics, [])
diagnostics = [diagnostic | diagnostics]
module_info = Map.put(module_info, :diagnostics, diagnostics)
modules = Keyword.put(state.modules, module, module_info)
%{state | modules: modules}
else
state
end
end)
end
def list_javascript_modules(pid) do
Agent.get(pid, fn state ->
state.js_modules
|> Enum.map(fn {module, _name, _path} ->
module
end)
end)
end
def js_modules(pid) do
Agent.get(pid, fn state ->
state.js_modules
end)
end
def is_global_module(pid, module) do
Agent.get(pid, fn state ->
result =
Enum.find(state.js_modules, fn {mod, _name, path} -> mod == module and path == nil end)
if result == nil, do: false, else: true
end)
end
def get_global_module_name(pid, module) do
Agent.get(pid, fn state ->
result =
Enum.find(state.js_modules, fn {mod, _name, path} -> mod == module and path == nil end)
if result == nil, do: nil, else: elem(result, 1)
end)
end
def remove_unused_functions(pid) do
Agent.get(pid, fn state ->
state.compiler_opts.remove_unused_functions
end)
end
def get_js_module_name(pid, module) do
Agent.get(pid, fn state ->
{_, name, _} =
state.js_modules
|> Enum.find(fn {m, _, _} -> module == m end)
name
end)
end
def list_modules(pid) do
Agent.get(pid, fn state ->
state.modules
end)
end
def get_in_memory_module(pid, module) do
Agent.get(pid, fn state ->
Keyword.get(state.in_memory_modules, module)
end)
end
def get_in_memory_modules(pid) do
Agent.get(pid, fn state ->
state.in_memory_modules
end)
end
def put_in_memory_module(pid, module, beam) do
Agent.update(pid, fn state ->
in_memory_modules = Map.get(state, :in_memory_modules, [])
in_memory_modules = Keyword.put(in_memory_modules, module, beam)
%{state | in_memory_modules: in_memory_modules}
end)
end
end