chore(ci): performance benchmark #1

	name: Performance Benchmark

	on:
	push:
	branches:
	- main
	- "**"
	pull_request:
	branches:
	- main

	jobs:
	benchmark:
	runs-on: macos-latest

	steps:
	- name: Check out the code (current branch)
	uses: actions/checkout@v2
	with:
	ref: ${{ github.ref }}

	- name: Set up Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable

	- name: Install hyperfine
	run: brew install hyperfine

	- name: Build project (current branch)
	run: cargo build --release

	- name: Run benchmarks (current branch)
	run: \|
	hyperfine --warmup 10 './target/release/stella check ./tests/golden_tests/assign_expression.lua' --export-json results_current.json

	- name: Check out main branch
	uses: actions/checkout@v2
	with:
	ref: main
	clean: true # Ensure a clean slate before building the main branch

	- name: Build project (main branch)
	run: cargo build --release

	- name: Run benchmarks (main branch)
	run: \|
	hyperfine --warmup 10 './target/release/stella check ./tests/golden_tests/assign_expression.lua' --export-json results_main.json

	- name: Upload benchmark results
	uses: actions/upload-artifact@v2
	with:
	name: benchmark-results
	path: \|
	results_current.json
	results_main.json

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