WABT_DIR := /home/johan/sources/github.com/WebAssembly/wabt

WAT2WASM := $(WABT_DIR)/bin/wat2wasm
WASM2C := $(WABT_DIR)/bin/wasm2c

%.wat: %.py $(shell find phasm -name '*.py') venv/.done
	venv/bin/python -m phasm $< $@

%.wat.html: %.wat
	venv/bin/pygmentize -l wat -O full -f html $^ -o $@

%.py.html: %.py
	venv/bin/pygmentize -l py -O full -f html $^ -o $@

%.wasm: %.wat
	$(WAT2WASM) $^ -o $@

%.c: %.wasm
	$(WASM2C) $^ -o $@

# %.exe: %.c
# 	cc $^ -o $@ -I $(WABT_DIR)/wasm2c

examples: venv/.done $(subst .py,.wasm,$(wildcard examples/*.py)) $(subst .py,.wat.html,$(wildcard examples/*.py)) $(subst .py,.py.html,$(wildcard examples/*.py))
	venv/bin/python3 -m http.server --directory examples

test: venv/.done $(subst .json,.py,$(subst /generator_,/test_generated_,$(wildcard tests/integration/test_lang/generator_*.json)))
	venv/bin/pytest tests $(TEST_FLAGS)

lint: venv/.done
	venv/bin/ruff check phasm tests

typecheck: venv/.done
	venv/bin/mypy --strict phasm tests/integration/helpers.py tests/integration/runners.py

venv/.done: requirements.txt
	python3.10 -m venv venv
	venv/bin/python3 -m pip install wheel pip --upgrade
	venv/bin/python3 -m pip install -r $^
	touch $@

tests/integration/test_lang/test_generated_%.py: venv/.done tests/integration/test_lang/generator.py tests/integration/test_lang/generator.md tests/integration/test_lang/generator_%.json
	venv/bin/python3 tests/integration/test_lang/generator.py tests/integration/test_lang/generator.md tests/integration/test_lang/generator_$*.json > $@

clean-examples:
	rm -f examples/*.wat examples/*.wasm examples/*.wat.html examples/*.py.html

clean-generated-tests:
	rm -f tests/integration/test_lang/test_generated_*.py

.SECONDARY: # Keep intermediate files

.PHONY: examples

# So generally the right thing to do is to delete the target file if the recipe fails after beginning to change the file.
# make will do this if .DELETE_ON_ERROR appears as a target.
# This is almost always what you want make to do, but it is not historical practice; so for compatibility, you must explicitly request it.
.DELETE_ON_ERROR: