Create check_methoddoc_gen.yaml

Create GitHub action for checking MethodDoc.C is generated when functions.rst is changed.

.github/workflows/check_methoddoc_gen.yaml

@@ -0,0 +1,69 @@
+name: Check sync of functions.rst and MethodDoc.C
+
+on:
+  pull_request:
+    paths:
+      - 'src/doc/python_scripting/functions.rst'
+      - 'src/visitpy/common/MethodDoc.C'
+      - 'src/visitpy/common/MethodDoc.h'
+
+jobs:
+  check-sync:
+    runs-on: ubuntu-latest
+
+    steps:
+
+    - name: Set up Python
+       uses: actions/setup-python@v2
+       with:
+         python-version: '3.9'
+
+    - name: Checkout code
+       uses: actions/checkout@v2
+
+    - name: Get Changed Files (for PRs)
+       id: changed-files
+       uses: tj-actions/changed-files@v42
+       with:
+         separator: ' '
+
+    - name: Check synced files
+       run: |
+          have_func_rst=0
+          have_methdoc_c=0
+          for f in ${{ steps.changed-files.outputs.all_changed_files }}; do
+              if [[ "$f" == "src/doc/python_script/functions.rst" ]]; then
+                  have_func_rst=1
+              elif [[ "$f" == "src/visitpy/common/MethodDoc.C" ]]; then
+                  have_methdoc_c=1
+              fi
+          done
+          if [[ $have_func_rst -ne 0 ]]; then
+              if [[ $have_methdoc_c -eq 0 ]]; then
+                  echo "Error: Changes to functions.rst require regeneration of MethodDoc.C (and possibly MethodDoc.h)"
+                  echo "       Please follow https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/dev_manual/UpdatingPythonDocStrings.html"
+                  exit 1
+              fi
+          fi
+          if [[ $have_methdoc_c -ne 0 ]]; then
+              if [[ $have_func_rst -eq 0 ]]; then
+                  echo "Error: You have made changes directly to a *generated* file, MethodDoc.C."
+                  echo "       You must make your changes to functions.rst and regenerate MethodDoc.C (and possibly MethodDoc.h)."
+                  echo "       Please follow https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/dev_manual/UpdatingPythonDocStrings.html"
+                  exit 1
+              fi
+          fi
+
+    - name: Check Generated MethodDoc.C
+       run: |
+         cp src/visitpy/common/MethodDoc.C src/visitpy/common/MethodDoc.C.orig
+         pushd src/doc
+         ./functions_to_plain_py.py
+         2to3 -p PY_RST_FUNCTIONS_TO_PYTHON.py
+         ./functions_to_method_doc.py
+         diff --brief src/visitpy/common/MethodDoc.C src/visitpy/common/MethodDoc.C.orig
+         if [ $? -ne 0 ]; then
+            echo "Error: MethodDoc.C does not appear to have been generated from functions.rst"
+            echo "       Please follow https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/dev_manual/UpdatingPythonDocStrings.html"
+            exit 1
+         fi