CI stuff for syntax

Author: cknitt

.github/workflows/ci.yml

@@ -45,6 +45,42 @@ jobs:
         with:
           node-version: 16
 
+      # grep: out of memory
+      # /Users/ostera/rescript-org-actions-runner/_work/_actions/tj-actions/changed-files/v34/get-changed-paths.sh: line 66: echo: write error: Broken pipe
+      # Error: Process completed with exit code 1.
+      # - name: "Check if syntax subfolder has changed"
+      #   id: syntax-changed
+      #   uses: tj-actions/changed-files@v34
+      #   with:
+      #     files: syntax/**
+
+      # - name: List all changed files
+      #   shell: bash
+      #   run: |
+      #     for file in ${{ steps.syntax-changed.outputs.all_changed_files }}; do
+      #       echo "$file was changed"
+      #     done
+
+      - name: "Syntax: install OPAM dependencies"
+        run: opam install . --deps-only
+        working-directory: syntax
+
+      - name: "Syntax: build CLI"
+        run: opam exec -- dune build
+        working-directory: syntax
+
+      - name: "Syntax: Run roundtrip tests"
+        if: runner.os != 'Windows'
+        # if: ${{ runner.os != 'Windows' && steps.syntax-changed-specific.outputs.any_changed == 'true' }}
+        run: opam exec -- make roundtrip-test
+        working-directory: syntax
+
+      - name: "Syntax: Run tests (Windows)"
+        if: runner.os == 'Windows'
+        # if: ${{ runner.os == 'Windows' && steps.syntax-changed-specific.outputs.any_changed == 'true' }}
+        run: opam exec -- make test
+        working-directory: syntax
+
       # Required for ninja build
       - name: "Windows: Use MSVC"
         if: runner.os == 'Windows'

dune

@@ -1 +1 @@
-(dirs jscomp)
+(dirs jscomp syntax)