(towards #3083) Scaffolding for Treesitter frontend

.github/workflows/compilation.yml

@@ -88,7 +88,7 @@ jobs:
         # Uncomment the below to use the submodule version of fparser rather
         # than the latest release from pypi.
         pip install external/fparser
-        pip install .[test,psydata,doc]
+        pip install .[test,psydata,doc,treesitter]
     - name: Unit tests with compilation - gfortran
       run: |
         . .runner_venv/bin/activate
@@ -177,5 +177,6 @@ jobs:
     - name: Test reasonable psycloning times for complex files
       run: |
         . .runner_venv/bin/activate
-        # Fail if it takes more than 15s
-        timeout -s INT 15s psyclone /archive/psyclone-tests/latest-run/slow_files/ukca_aero_ctl.F90
+        # Fail if it takes more time than expected
+        timeout -s INT 12s psyclone /archive/psyclone-tests/latest-run/slow_files/ukca_aero_ctl.F90
+        timeout -s INT 0.5s psyclone --frontend treesitter /archive/psyclone-tests/latest-run/slow_files/ukca_aero_ctl.F90

.github/workflows/lfric_test.yml

@@ -42,7 +42,7 @@ on:
   push
 
 env:
-  LFRIC_APPS_HASH: 948b9ec1a7ae6ef110b97ed45ced8d4b71079f34
+  LFRIC_APPS_HASH: d8cab8417d873eb686e7fe74707da03742eaa9d9
   PYTHON_VERSION: "3.14"
   GNU_TOOLCHAIN: gnu14_openmpi
   NVHPC_TOOLCHAIN: nvhpc26_3_openmpi

.github/workflows/python-package.yml

@@ -107,7 +107,7 @@ jobs:
           # than the latest release from pypi.
           # pip install external/fparser
           pip install .[doc]
-          pip install .[test]
+          pip install .[test,treesitter]
       - name: Lint with flake8
         run: |
           # Stop the build if there are Python syntax errors or undefined names.

changelog

@@ -1,3 +1,6 @@
+   3) PR #3351 towards #3083. Adds scaffolding for new Treesitter-based
+   frontend.
+
    2) PR #3401 for #3400. Fixes a frontend issue causing issues with NEMO
    master branch.
 

doc/developer_guide/APIs.rst

@@ -1025,7 +1025,7 @@ coarse mesh.
 Lowering
 --------
 
-As described in :ref:`psy_layer_backends`, the use of a PSyIR backend to
+As described in :ref:`uplifting-lowering`, the use of a PSyIR backend to
 generate code for the LFRic PSy layer requires that each LFRic-specific
 node be lowered to 'language-level' PSyIR. This requires that each node
 have the ``lower_to_language_level()`` method implemented.

doc/developer_guide/index.rst

@@ -17,7 +17,7 @@ Developer Guide
 
     psyir
     psyir_symbols
-    psyir_backends
+    psyir_frontends_backends
     psykal
     module_manager
     APIs