resolve no local return and will never be called dialyzer errors

README.md

@@ -29,7 +29,7 @@ To get started quickly, add GraphQL.Parser to your deps in `mix.exs`:
 
 ```elixir
 defp deps do
-  [{:graphql_parser, "~> 0.0.3"}]
+  [{:graphql_parser, "~> 0.0.4"}]
 end
 ```
 

lib/graphql/parser/nif.ex

@@ -20,12 +20,13 @@ defmodule GraphQL.Parser.Nif do
         |> :filename.dirname
         |> :filename.dirname
         |> :filename.join('priv')
+
       path ->
         path
     end
   end
 
   def parse(_) do
-    exit(:nif_library_not_loaded)
+    :erlang.nif_error(:nif_library_not_loaded)
   end
 end

mix.exs

@@ -1,30 +1,30 @@
 defmodule GraphQL.Parser.Mixfile do
   use Mix.Project
 
-  @version "0.0.3"
+  @version "0.0.4"
 
   def project do
-    [app: :graphql_parser,
-     name: "GraphQL.Parser",
-     version: @version,
-     elixir: "~> 1.2",
-     compilers: [:nif] ++ Mix.compilers,
-     build_embedded: Mix.env == :prod,
-     start_permanent: Mix.env == :prod,
-     description: description,
-     package: package,
-     docs: docs,
-     deps: deps]
+    [
+      app: :graphql_parser,
+      name: "GraphQL.Parser",
+      version: @version,
+      elixir: "~> 1.2",
+      compilers: [:nif] ++ Mix.compilers(),
+      build_embedded: Mix.env() == :prod,
+      start_permanent: Mix.env() == :prod,
+      description: description(),
+      package: package(),
+      docs: docs(),
+      deps: deps()
+    ]
   end
 
   def application do
     [applications: [:logger]]
   end
 
   defp deps do
-    [{:poison, "~> 2.0"},
-     {:earmark, "~> 0.1", only: :dev},
-     {:ex_doc, "~> 0.11", only: :dev}]
+    [{:poison, "~> 2.0"}, {:earmark, "~> 0.1", only: :dev}, {:ex_doc, "~> 0.11", only: :dev}]
   end
 
   defp description do
@@ -35,36 +35,51 @@ defmodule GraphQL.Parser.Mixfile do
   end
 
   defp package do
-    [maintainers: ["Vignesh Rajagopalan"],
-     licenses: ["MIT"],
-     links: %{"GitHub" => "https://github.com/aarvay/graphql_parser"},
-     files: ["lib", "src", "Makefile", "mix.exs", "README.md",
-             "libgraphqlparser/ast/ast.ast", "libgraphqlparser/ast/*.py",
-             "libgraphqlparser/c/*.cpp", "libgraphqlparser/c/*.h",
-             "libgraphqlparser/*.h", "libgraphqlparser/*.cpp",
-             "libgraphqlparser/*.lpp", "libgraphqlparser/*.hh",
-             "libgraphqlparser/*.hpp", "libgraphqlparser/*.ypp",
-             "libgraphqlparser/CMakeLists.txt", "libgraphqlparser/LICENSE",
-             "libgraphqlparser/PATENTS", "libgraphqlparser/README.md"]]
+    [
+      maintainers: ["Vignesh Rajagopalan"],
+      licenses: ["MIT"],
+      links: %{"GitHub" => "https://github.com/aarvay/graphql_parser"},
+      files: [
+        "lib",
+        "src",
+        "Makefile",
+        "mix.exs",
+        "README.md",
+        "libgraphqlparser/ast/ast.ast",
+        "libgraphqlparser/ast/*.py",
+        "libgraphqlparser/c/*.cpp",
+        "libgraphqlparser/c/*.h",
+        "libgraphqlparser/*.h",
+        "libgraphqlparser/*.cpp",
+        "libgraphqlparser/*.lpp",
+        "libgraphqlparser/*.hh",
+        "libgraphqlparser/*.hpp",
+        "libgraphqlparser/*.ypp",
+        "libgraphqlparser/CMakeLists.txt",
+        "libgraphqlparser/LICENSE",
+        "libgraphqlparser/PATENTS",
+        "libgraphqlparser/README.md"
+      ]
+    ]
   end
 
   defp docs do
-    [source_ref: "v#{@version}",
-     extras: ["README.md"],
-     main: "README"]
+    [source_ref: "v#{@version}", extras: ["README.md"], main: "README"]
   end
 end
 
 defmodule GraphQL.Parser.MixHelper do
   def check_exit_status({res, exit_status_code}) do
     if exit_status_code != 0 do
-      raise Mix.Error, message: """
-        Build command exited with status code: #{exit_status_code}.
-        Make sure you're running `mix compile` from project's root.
-      """
+      raise Mix.Error,
+        message: """
+          Build command exited with status code: #{exit_status_code}.
+          Make sure you're running `mix compile` from project's root.
+        """
     end
 
-    IO.binwrite res # verbose
+    # verbose
+    IO.binwrite(res)
   end
 end
 
@@ -81,15 +96,17 @@ defmodule Mix.Tasks.Compile.Nif do
     rescue
       e in Mix.Error ->
         raise e
+
       e in ErlangError ->
         case e.original do
           :enoent ->
-            raise Mix.Error, message: """
-              Please check if `cmake` and `make` are installed
-            """
+            raise Mix.Error,
+              message: """
+                Please check if `cmake` and `make` are installed
+              """
         end
     end
 
-    Mix.Project.build_structure
+    Mix.Project.build_structure()
   end
 end

mix.lock

@@ -1,3 +1,5 @@
-%{"earmark": {:hex, :earmark, "0.1.19"},
-  "ex_doc": {:hex, :ex_doc, "0.11.1"},
-  "poison": {:hex, :poison, "1.5.0"}}
+%{
+  "earmark": {:hex, :earmark, "0.1.19", "ffec54f520a11b711532c23d8a52b75a74c09697062d10613fa2dbdf8a9db36e", [:mix], [], "hexpm", "db85f989ba3030d40d3a901d7eebbf926ee07355bf6113d730b8aaf9404a6bd7"},
+  "ex_doc": {:hex, :ex_doc, "0.11.1", "43a16e4168e384213a052e6ee77723b765165b866ac52a10394dfa8f7de5b203", [:mix], [{:earmark, "~> 0.1.17 or ~> 0.2", [hex: :earmark, repo: "hexpm", optional: true]}], "hexpm", "d9da03da5792939081ce8bc9753136a98978ec1f23b2ff364395fd4cd50e674f"},
+  "poison": {:hex, :poison, "2.2.0", "4763b69a8a77bd77d26f477d196428b741261a761257ff1cf92753a0d4d24a63", [:mix], [], "hexpm", "519bc209e4433961284174c497c8524c001e285b79bdf80212b47a1f898084cc"},
+}