Add linters to CI #42

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Download Tree-sitter
	run: .github/workflows/install-tree-sitter.sh v0.24.4

	- name: Install Crystal
	uses: crystal-lang/install-crystal@v1
	with:
	crystal: latest

	- name: Run tree-sitter tests
	run: tree-sitter test

	- name: Run stdlib coverage
	run: crystal run test/stdlib_coverage.cr

	generate:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Download Tree-sitter
	run: .github/workflows/install-tree-sitter.sh v0.24.4

	- name: Regenerate parser
	run: tree-sitter generate

	- name: Check for changes
	run: git diff --stat --exit-code

	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Install nodejs
	uses: actions/setup-node@v3
	with:
	node-version: 18

	- name: Install eslint
	run: npm install

	- name: Run eslint on grammar.js
	run: npx eslint grammar.js

	- name: Run clang-format on C source files
	uses: jidicula/clang-format-action@v4
	with:
	clang-format-version: 18
	check-path: src
	exclude-regex: '(parser\.c\|tree_sitter/)'

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