Use derive macros to define signals between Dart and Rust

.github/workflows/example_app.yaml

@@ -1,17 +1,15 @@
 # Verify that the example app works properly.
-name: example-app
+name: Example App
 
 on:
   push:
     branches:
       - main
     paths-ignore:
       - "**.md"
-      - "**.html"
   pull_request:
     paths-ignore:
       - "**.md"
-      - "**.html"
   workflow_dispatch:
 
 concurrency:
@@ -27,21 +25,21 @@ concurrency:
 jobs:
   build:
     name: ${{ matrix.runner }} / ${{ matrix.target }}
-    runs-on: ${{ matrix.runner }}
+    runs-on: ${{ matrix.runner }}-latest
     strategy:
       fail-fast: false # Important
       matrix:
-        runner: [ubuntu-latest, windows-latest, macos-latest]
+        runner: [ubuntu, windows, macos]
         target: [android, web] # On all platforms
         include:
           # Specify targets for each platform
-          - runner: ubuntu-latest
+          - runner: ubuntu
             target: linux
-          - runner: windows-latest
+          - runner: windows
             target: windows
-          - runner: macos-latest
+          - runner: macos
             target: macos
-          - runner: macos-latest
+          - runner: macos
             target: ios
 
     steps:
@@ -50,6 +48,20 @@ jobs:
         with:
           submodules: true
 
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            target
+            ~/.pub-cache
+          key: >
+            ${{ matrix.runner }}-${{ matrix.target }}
+            ${{ hashFiles('**/Cargo.toml', '**/pubspec.yaml') }}
+          restore-keys: |
+            ${{ matrix.runner }}-${{ matrix.target }}
+            ${{ matrix.runner }}
+
       - name: Setup Flutter SDK
         uses: subosito/flutter-action@v2
         with:
@@ -71,17 +83,14 @@ jobs:
           distribution: "zulu"
           java-version: "17"
 
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
+      - name: Install the Python environment manager
+        uses: astral-sh/setup-uv@v5
 
       - name: Install the CLI tool
-        working-directory: rust_crate/
-        run: cargo install --path ./
+        run: cargo install --path rust_crate_cli
 
       - name: Prepare a Flutter app for testing
-        run: python automate prepare-example-app
+        run: uv run automate prepare-example-app
 
       - name: Build the example app
         if: matrix.target == 'linux'
@@ -116,3 +125,11 @@ jobs:
         run: |
           rinf wasm --release
           flutter build web --verbose
+
+      - name: Run unit tests
+        if: >
+          matrix.target == 'linux'
+          || matrix.target == 'windows'
+          || matrix.target == 'macos'
+        working-directory: flutter_package/example/
+        run: flutter test

.github/workflows/publication.yaml

@@ -1,7 +1,7 @@
 # Publish packages online.
 # This is performed only when a new Git tag
 # with version information is added.
-name: publication
+name: Publication
 
 # With default Git settings, Unix-like systems use LF (`\n`) for new lines,
 # while Windows uses CRLF (`\r\n`) in local repositories.
@@ -54,12 +54,15 @@ jobs:
       # Save the `crates.io` API token at
       # `GitHub repo - Settings - Security - Secrets and variables - Actions`.
 
-      - name: Check the Rust crate
-        working-directory: rust_crate/
-        run: cargo publish --dry-run
+      - name: Check Rust crates
+        run: |
+          cargo publish --dry-run --manifest-path rust_crate_proc/Cargo.toml
+          cargo publish --dry-run --manifest-path rust_crate_command/Cargo.toml
+          cargo publish --dry-run --manifest-path rust_crate/Cargo.toml
 
-      - name: Publish the Rust crate
-        working-directory: rust_crate/
+      - name: Publish Rust crates
         run: |
           cargo login ${{ secrets.CRATES_IO_API_TOKEN }}
-          cargo publish
+          cargo publish --manifest-path rust_crate_proc/Cargo.toml
+          cargo publish --manifest-path rust_crate_command/Cargo.toml
+          cargo publish --manifest-path rust_crate/Cargo.toml

.github/workflows/quality_control.yaml

@@ -1,6 +1,6 @@
 # Confirm that the code and configuration files
 # are correctly formatted and analyzed.
-name: quality-control
+name: Quality Control
 
 on:
   push:
@@ -42,17 +42,16 @@ jobs:
         run: rustup component add clippy
 
       - name: Install the CLI tool
-        working-directory: rust_crate/
-        run: cargo install --path ./
+        run: cargo install --path rust_crate_cli
 
       - name: Fetch Flutter dependencies
         run: |
           flutter pub get --directory flutter_package/
           flutter pub get --directory flutter_package/cargokit/build_tool
 
-      - name: Generate message files
+      - name: Generate signal files
         working-directory: flutter_package/example/
-        run: rinf message
+        run: rinf gen
 
       # Targets are basically combinations of
       # web/native and debug/release.
@@ -85,6 +84,23 @@ jobs:
       - name: Check if the code has changed
         run: git diff --exit-code
 
+  script:
+    name: python-script
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install the Python environment manager
+        uses: astral-sh/setup-uv@v5
+
+      - name: Run Pyright
+        run: uv run pyright
+
+      - name: Run Ruff
+        run: uv run ruff check .
+
   config:
     name: configuration-files
     runs-on: ubuntu-latest

.github/workflows/test_app.yaml

@@ -1,18 +1,16 @@
 # Verify that the app build works as intended
 # when utilizing the code inside the repository.
-name: test-app
+name: Test App
 
 on:
   push:
     branches:
       - main
     paths-ignore:
       - "**.md"
-      - "**.html"
   pull_request:
     paths-ignore:
       - "**.md"
-      - "**.html"
   workflow_dispatch:
 
 concurrency:
@@ -28,21 +26,21 @@ concurrency:
 jobs:
   build:
     name: ${{ matrix.runner }} / ${{ matrix.target }}
-    runs-on: ${{ matrix.runner }}
+    runs-on: ${{ matrix.runner }}-latest
     strategy:
       fail-fast: false # Important
       matrix:
-        runner: [ubuntu-latest, windows-latest, macos-latest]
+        runner: [ubuntu, windows, macos]
         target: [android, web] # On all platforms
         include:
           # Specify targets for each platform
-          - runner: ubuntu-latest
+          - runner: ubuntu
             target: linux
-          - runner: windows-latest
+          - runner: windows
             target: windows
-          - runner: macos-latest
+          - runner: macos
             target: macos
-          - runner: macos-latest
+          - runner: macos
             target: ios
 
     steps:
@@ -51,6 +49,20 @@ jobs:
         with:
           submodules: true
 
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            target
+            ~/.pub-cache
+          key: >
+            ${{ matrix.runner }}-${{ matrix.target }}
+            ${{ hashFiles('**/Cargo.toml', '**/pubspec.yaml') }}
+          restore-keys: |
+            ${{ matrix.runner }}-${{ matrix.target }}
+            ${{ matrix.runner }}
+
       - name: Setup Flutter SDK
         uses: subosito/flutter-action@v2
         with:
@@ -72,17 +84,14 @@ jobs:
           distribution: "zulu"
           java-version: "17"
 
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
+      - name: Install the Python environment manager
+        uses: astral-sh/setup-uv@v5
 
       - name: Install the CLI tool
-        working-directory: rust_crate/
-        run: cargo install --path ./
+        run: cargo install --path rust_crate_cli
 
       - name: Prepare a Flutter app for testing
-        run: python automate prepare-test-app
+        run: uv run automate prepare-test-app
 
       - name: Build the example app
         if: matrix.target == 'linux'

.github/workflows/user_app.yaml

@@ -1,7 +1,7 @@
 # Verify that the documentation steps function as intended
 # when users utilize released versions
 # instead of the code from the repository.
-name: user-app
+name: User App
 
 on:
   workflow_dispatch:
@@ -11,21 +11,21 @@ on:
 jobs:
   build:
     name: ${{ matrix.runner }} / ${{ matrix.target }}
-    runs-on: ${{ matrix.runner }}
+    runs-on: ${{ matrix.runner }}-latest
     strategy:
       fail-fast: false # Important
       matrix:
-        runner: [ubuntu-latest, windows-latest, macos-latest]
+        runner: [ubuntu, windows, macos]
         target: [android, web] # On all platforms
         include:
           # Specify targets for each platform
-          - runner: ubuntu-latest
+          - runner: ubuntu
             target: linux
-          - runner: windows-latest
+          - runner: windows
             target: windows
-          - runner: macos-latest
+          - runner: macos
             target: macos
-          - runner: macos-latest
+          - runner: macos
             target: ios
 
     steps:
@@ -34,6 +34,20 @@ jobs:
         with:
           submodules: true
 
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            target
+            ~/.pub-cache
+          key: >
+            ${{ matrix.runner }}-${{ matrix.target }}
+            ${{ hashFiles('**/Cargo.toml', '**/pubspec.yaml') }}
+          restore-keys: |
+            ${{ matrix.runner }}-${{ matrix.target }}
+            ${{ matrix.runner }}
+
       - name: Setup Flutter SDK
         uses: subosito/flutter-action@v2
         with:
@@ -55,17 +69,14 @@ jobs:
           distribution: "zulu"
           java-version: "17"
 
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
+      - name: Install the Python environment manager
+        uses: astral-sh/setup-uv@v5
 
       - name: Install the CLI tool
-        working-directory: rust_crate/
-        run: cargo install rinf
+        run: cargo install rinf_cli
 
       - name: Prepare a Flutter app for testing
-        run: python automate prepare-user-app
+        run: uv run automate prepare-user-app
 
       - name: Build the example app
         if: matrix.target == 'linux'

.gitignore

@@ -28,8 +28,8 @@ migrate_working_dir/
 build/
 
 # Rust related
-.cargo/
-target/
+/.cargo/
+/target/
 
 # Others
 *.lock

.rustfmt.toml

@@ -1 +1,3 @@
-max_width = 80 # This matches the maximum line length used in Dart
+style_edition = "2024"
+max_width = 80
+tab_spaces = 2

Cargo.toml

@@ -1,6 +1,13 @@
 [workspace]
-members = ["./flutter_package/example/native/*", "./rust_crate"]
-resolver = "2"
+resolver = "3"
+members = [
+    "flutter_package/example/native/*",
+    "rust_crate",
+    "rust_crate_cli",
+    "rust_crate_proc",
+]
 
 [patch.crates-io]
-rinf = { path = "./rust_crate" }
+rinf = { path = "rust_crate" }
+rinf_cli = { path = "rust_crate_cli" }
+rinf_proc = { path = "rust_crate_proc" }

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 Cunarist
+Copyright (c) 2025 Cunarist
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal