Added get_callee() which determines the right routine of the return values of get_callees()

.gitignore

@@ -2,11 +2,13 @@
 *~
 *.a
 *.o
+*.psycache
 gnu_opt_report.txt
 *.mod
 *.MOD
 .cache
 .coverage
+*.swp
 doc/*/_build
 doc/*/*/_build
 doc/reference_guide/source/autogenerated/

README.md

@@ -50,6 +50,10 @@ cloning this repository and using:
 
     $ pip install .
 
+or in developer (editable) mode using
+
+    $ pip install -e .
+
 For more information about the installation process see
 [this section of the User Guide](https://psyclone.readthedocs.io/en/latest/system_specific_setup.html).
 

doc/developer_guide/system_specific_setup.rst

@@ -64,11 +64,11 @@ Installing Documentation Tools
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Install Sphinx along with bibtex support for creating PSyclone documentation::
 
-   > sudo pip install sphinx sphinxcontrib.bibtex
+   > pip install .[doc]
 
-You can now build html documentation::
+You can now build html documentation. E.g., for the developer documentation::
 
-   > cd doc
+   > cd doc/developer_guide/
    > make html
 
 The latex package is required to create the pdf documentation

doc/developer_guide/working_practises.rst

@@ -216,6 +216,29 @@ Additionally html output can be created by adding the option ``--cov-report html
 The html output can be viewed with a browser at ``file:///.../tests/htmlcov/index.html``
 and it highlights all source lines in red that are not covered by at least one test.
 
+For convenience, there is also a script in ``<PSYCLONEHOME>/utils/run_pytest_cov.sh``
+running the coverage tests for all relevant files.
+This also creates a ``cov.xml`` file which can be used by, e.g., vscode.
+See the respective comments in this script for further information.
+
+
+.. _flake8:
+
+Flake8
+------------------
+
+Flake8 is a program testing for good coding styles.
+It can be installed with::
+
+  > pip install flake8
+
+and executed with::
+
+  > flake8 src/psyclone
+
+For convenience, this is also available in ``utils/run_flake8.sh``.
+This script can be also used as a git pre-push hooks by linking this file to ``.git/hooks/pre-push``.
+
 .. _parallel_execution:
 
 Parallel execution

src/psyclone/psyir/frontend/fparser2.py

@@ -2060,7 +2060,7 @@ def _get_partial_datatype(self, node, scope, visibility_map):
         orig_entity_decl_children = list(entity_decl.children[:])
 
         # 2: Remove any unsupported attributes
-        unsupported_attribute_names = ["pointer", "target"]
+        unsupported_attribute_names = ["pointer", "target", "optional"]
         attr_spec_list = node.children[1]
         orig_node_children = list(node.children[:])
         orig_attr_spec_list_children = (list(node.children[1].children[:])