simplified regex (manually constructed) (#27) #89

	name: Parse Test

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	env:
	# Don't make dotnet so needy
	DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
	DOTNET_CLI_TELEMETRY_OPTOUT: true
	jobs:

	parse-verify:
	name: "Check Benchmark Syntax"
	runs-on: ubuntu-latest
	steps:
	- name: Update Environment
	run: \|
	echo "DOTNET_ROOT=${HOME}/.dotnet" >> $GITHUB_ENV
	echo "${HOME}/.dotnet/tools" >> $GITHUB_PATH

	- uses: actions/checkout@v2

	- name: Setup .NET
	uses: actions/setup-dotnet@v1
	with:
	dotnet-version: 6.0.x

	- name: Install Parser
	run: dotnet tool install --global Semgus.Parser.Tool # Grab the most recent version

	- name: Get Changed Files
	id: changed_files
	uses: jitterbit/get-changed-files@v1
	with:
	format: json

	- name: Check Benchmarks
	run: \|
	failed=0
	readarray -t changed_files <<<"$(jq -r '.[]' <<<'${{ steps.changed_files.outputs.all }}')"
	for changed_file in ${changed_files[@]}; do

	if [ ! -f "${changed_file}" ]; then
	echo "File doesn't exist - must have been deleted: ${changed_file}"
	continue
	fi

	case "${changed_file}" in
	.sem\|.sy\|*.sl)
	echo "Checking benchmark: ${changed_file}"

	# Disable fail-fast, so we can collect/report errors
	set +e
	grep -F '(check-synth)' "${changed_file}"
	if [ $? -ne 0 ]; then
	echo "${changed_file}: error: missing '(check-synth)' command" >&2
	failed=1
	fi

	semgus-parser --format verify -- "${changed_file}"
	if [ $? -ne 0 ]; then
	echo "${changed_file}: error: failed to parse" >&2
	failed=1
	fi

	# Re-enable fail-fast
	set -e
	;;
	*)
	echo "Skipping: ${changed_file}. Not a benchmark file."
	;;
	esac
	done
	exit $failed

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