Adding basic Rust CI infrastructure (#1)

* Placeholder crates to start working on infra

* More example infrastructure

* Add basic CI for Rust

* Fix formatting of yaml

* Add manual dispatch to workflow

* Use checkout v3

* Update and simplify

* Switch to warnings for clippy::pedantic for easier local development

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: CI Build and Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: "true"
+      - name: Check Formatting
+        run: cargo fmt -v --all -- --check
+
+  build:
+    name: CI Build and Test
+    strategy:
+      matrix:
+        os: [windows-latest, ubuntu-latest, macos-latest]
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: "true"
+      - name: Clippy Lints
+        run: cargo clippy -vv --all-targets --all-features -- -D warnings
+      - name: Build
+        run: cargo build -vv --release
+      - name: Test
+        run: cargo test -vv --release -- --nocapture
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{matrix.os}}
+          path: |
+            target/release/qsc*
+            !target/release/qsc.d

.gitignore

@@ -0,0 +1 @@
+/target

Cargo.toml

@@ -0,0 +1,12 @@
+[workspace]
+members = [
+    "compiler/qsc",
+    "compiler/qsc_ast",
+    "compiler/qsc_codegen",
+    "compiler/qsc_eval",
+    "compiler/qsc_frontend",
+    "compiler/qsc_passes",
+]
+
+[profile.release]
+debug = 1

compiler/qsc/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "qsc"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+qsc_ast = { path = "../qsc_ast" }
+qsc_frontend = { path = "../qsc_frontend" }
+qsc_passes = { path = "../qsc_passes" }
+qsc_codegen = { path = "../qsc_codegen" }
+qsc_eval = { path = "../qsc_eval" }

compiler/qsc/src/main.rs

@@ -0,0 +1,8 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+fn main() {
+    println!("Hello, world!");
+}

compiler/qsc_ast/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "qsc_ast"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]

compiler/qsc_ast/src/lib.rs

@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#![warn(clippy::pedantic)]
+
+#[must_use]
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

compiler/qsc_codegen/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "qsc_codegen"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+qsc_ast = { path = "../qsc_ast" }
+qsc_frontend = { path = "../qsc_frontend" }
+# LLVM dependency here...