UNAME_S := $(shell uname -s)

ifeq ($(UNAME_S),Linux)

PYTHON ?= ../../python

ifeq ($(UNAME_S),Darwin)

PYTHON ?= ../../python.exe

VENVDIR ?= ./venv

VENVPYTHON ?= $(VENVDIR)/bin/python

CPYTHON ?= ../../Lib

MYPY ?= ./venv/bin/mypy

BLACK ?= ./venv/bin/black

GRAMMAR = ../../Grammar/python.gram

TOKENS = ../../Grammar/Tokens

build: peg_extension/parse.c

peg_extension/parse.c: $(GRAMMAR) $(TOKENS) pegen/*.py peg_extension/peg_extension.c ../../Parser/pegen.c ../../Parser/pegen_errors.c ../../Parser/string_parser.c ../../Parser/action_helpers.c ../../Parser/*.h pegen/grammar_parser.py

$(VENVPYTHON) -m pegen -q c $(GRAMMAR) $(TOKENS) -o peg_extension/parse.c --compile-extension

clean:

-rm -f peg_extension/*.o peg_extension/*.so peg_extension/parse.c

-rm -rf $(VENVDIR)

regen-metaparser: pegen/metagrammar.gram pegen/*.py

$(VENVPYTHON) -m pegen -q python pegen/metagrammar.gram -o pegen/grammar_parser.py

venv:

$(PYTHON) -m venv $(VENVDIR)

$(VENVPYTHON) -m pip install -U pip setuptools black mypy

@echo "The venv has been created in the $(VENVDIR) directory"

mypy: regen-metaparser

$(MYPY) # For list of files, see mypy.ini

format-python:

$(BLACK) pegen

format: venv format-python

tags: TAGS

TAGS: pegen/*.py test/test_pegen.py

etags pegen/*.py test/test_pegen.py