First draft of workflow diagrams (#27)

Signed-off-by: Teo Koon Peng <teokoonpeng@gmail.com>

Author: koonpeng

.github/workflows/ci_linux.yaml

@@ -28,10 +28,21 @@ jobs:
     - name: Setup rust
       run: rustup default ${{ matrix.rust-version }}
 
+    # As new versions of our dependencies come out, they might depend on newer
+    # versions of the Rust compiler. When that happens, we'll use this step to
+    # lock down the dependency to a version that is known to be compatible with
+    # compiler version 1.75.
+    - name: Patch dependencies
+      if: ${{ matrix.rust-version == 1.75 }}
+      run: ./scripts/patch-versions-msrv-1_75.sh
+
     - name: Build default features
-      run: cargo build
+      run: cargo build --workspace
     - name: Test default features
-      run: cargo test
+      run: cargo test --workspace
+
+    - name: Test diagram
+      run: cargo test --workspace -F=diagram
 
     - name: Build single_threaded_async
       run: cargo build --features single_threaded_async

.github/workflows/ci_windows.yaml

@@ -30,11 +30,15 @@ jobs:
       shell: powershell
 
     - name: Build default features
-      run: cargo build
+      run: cargo build --workspace
       shell: cmd
 
     - name: Test default features
-      run: cargo test
+      run: cargo test --workspace
+      shell: cmd
+
+    - name: Test diagram
+      run: cargo test --workspace -F=diagram
       shell: cmd
 
     - name: Build single_threaded_async

Cargo.toml

@@ -8,7 +8,12 @@ description = "Reactive programming and workflow execution for bevy"
 readme = "README.md"
 repository = "https://github.com/open-rmf/bevy_impulse"
 keywords = ["reactive", "workflow", "behavior", "agent", "bevy"]
-categories = ["science::robotics", "asynchronous", "concurrency", "game-development"]
+categories = [
+  "science::robotics",
+  "asynchronous",
+  "concurrency",
+  "game-development",
+]
 
 [dependencies]
 bevy_impulse_derive = { path = "macros", version = "0.0.2" }
@@ -27,7 +32,7 @@ bevy_tasks = { version = "0.12", features = ["multi-threaded"] }
 
 itertools = "0.13"
 smallvec = "1.13"
-tokio = { version = "1.39", features = ["sync"]}
+tokio = { version = "1.39", features = ["sync"] }
 futures = "0.3"
 backtrace = "0.3"
 anyhow = "1.0"
@@ -41,8 +46,36 @@ thiserror = "1.0"
 bevy_core = "0.12"
 bevy_time = "0.12"
 
+schemars = { version = "0.8.21", optional = true }
+serde = { version = "1.0.210", features = ["derive"], optional = true }
+serde_json = { version = "1.0.128", optional = true }
+cel-interpreter = { version = "0.9.0", features = ["json"], optional = true }
+tracing = "0.1.41"
+strum = { version = "0.26.3", optional = true, features = ["derive"] }
+semver = { version = "1.0.24", optional = true }
+
 [features]
 single_threaded_async = ["dep:async-task"]
+diagram = [
+  "dep:cel-interpreter",
+  "dep:schemars",
+  "dep:semver",
+  "dep:serde",
+  "dep:serde_json",
+  "dep:strum",
+]
 
 [dev-dependencies]
 async-std = { version = "1.12" }
+test-log = { version = "0.2.16", features = [
+  "trace",
+], default-features = false }
+
+[workspace]
+members = ["examples/diagram/calculator"]
+
+[[bin]]
+name = "generate_schema"
+path = "src/diagram/generate_schema.rs"
+required-features = ["diagram"]
+doc = false