Add support for negative literals and try external call #34

	name: Build

	on:
	push:
	pull_request:
	branches:
	- main

	jobs:
	lint:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Node.js
	uses: actions/setup-node@v2
	with:
	node-version: 16

	- name: Install npm dependencies
	run: npm ci

	- name: Run linting
	run: npm run lint

	test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Node.js
	uses: actions/setup-node@v2
	with:
	node-version: 16

	- name: Install npm dependencies
	run: npm ci

	- name: Run tests
	run: npm test

	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Node.js
	uses: actions/setup-node@v2
	with:
	node-version: 16

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y nasm gcc-multilib
	npm ci

	- name: Build
	run: npm run build

	- name: Compile, Assemble, Link, and Run
	run: \|
	INPUTS=("simple" "fn" "if" "if_2")

	for FILE in "${INPUTS[@]}"; do
	npm run start "tests/inputs/$FILE.c"
	done

	for FILE in "${INPUTS[@]}"; do
	nasm -f elf32 "$FILE.asm" -o "$FILE.o"
	gcc -m32 -o "$FILE" "$FILE.o"
	done

	set +e
	for FILE in "${INPUTS[@]}"; do
	./"$FILE"
	RETURN_VALUE=$?
	if [[ $RETURN_VALUE -ne 5 ]]; then
	echo "Unexpected return value from the $FILE executable: $RETURN_VALUE"
	exit 1
	fi
	done

	exit 0

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