restructure repo into bin, lib and macros

Cargo.lock

@@ -1,104 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
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-
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Cargo.toml

@@ -1,10 +1,8 @@
-[package]
-name = "nix-analyzer"
-version = "0.1.0"
-edition = "2018"
+[workspace]
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+members = [
+    "bin",
+    "lib",
+    "macros"
+]
 
-[dependencies]
-anyhow = "1.0"
-rnix = "0.9.0"

bin/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "bin"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

lib/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "lib"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

lib/src/lib.rs

@@ -0,0 +1,7 @@
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}

macros/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "macros"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

macros/src/lib.rs

@@ -0,0 +1,7 @@
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}

readme.md

@@ -0,0 +1,35 @@
+## nix-analyzer
+
+`nix-analyzer` intends to be a static analysis tool for the
+Nix programming language.
+
+For the time-being, `nix-analyzer` works only with ASTs
+produced by the `rnix-parser` crate and does not evaluate
+any nix code. 
+
+## Architecture
+
+`nix-analyzer` has the following components:
+
+- `bin`: the CLI/entrypoint
+- `lib`: library of lints and utilities to define these
+  lints
+- `macros`: procedural macros to help define a lint
+
+### `bin`
+
+This is the main point of interaction between `nix-analyzer`
+and the end user. It's output is human-readable and should
+also support JSON/errorfmt outputs for external tools to
+use.
+
+### `lib`
+
+A library of AST-based lints and utilities to help write
+those lints. It should be easy for newcomers to write lints
+without being familiar with the rest of the codebase.
+
+### `macros`
+
+This crate intends to be a helper layer to declare lints and
+their metadata.