maint: Add lmgnu as a Git submodule in libs/lmgnu #18

	name: Syntax Check

	on:
	push:
	branches: [ "master" ]
	paths:
	- "*/.py"
	- "*/.cpp"
	- "*/.c"
	pull_request:
	branches: [ "master" ]
	paths:
	- "*/.py"
	- "*/.cpp"
	- "*/.c"

	jobs:
	syntax-check:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	# --- Python Syntax Check ---
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.x'

	- name: Install Python Linter
	run: \|
	python -m pip install --upgrade pip
	pip install flake8

	- name: Lint Python Files
	run: \|
	# Only checks syntax and severe errors
	flake8 . --count --select=E999,F821,F822,F823 --show-source --statistics

	# --- C/C++ Syntax Check ---
	- name: Install C/C++ Compiler (GCC)
	run: \|
	sudo apt-get update
	sudo apt-get install -y gcc g++

	- name: Check C/C++ Syntax
	run: \|
	echo "Checking C and C++ files for syntax errors..."
	errors=0

	# Using redirect loops to properly catch errors without subshell issues
	while read -r file; do
	if [ -z "$file" ]; then continue; fi
	echo "Checking $file"
	if ! gcc -fsyntax-only "$file"; then
	echo "Syntax error in $file"
	errors=$((errors + 1))
	fi
	done < <(find . -name "*.c")

	while read -r file; do
	if [ -z "$file" ]; then continue; fi
	echo "Checking $file"
	if ! g++ -fsyntax-only "$file"; then
	echo "syntax error in $file"
	errors=$((errors + 1))
	fi
	done < <(find . -name "*.cpp")

	if [ $errors -ne 0 ]; then
	echo "$errors file(s) failed syntax verification."
	exit 1
	fi
	echo "All C, C++, and Python files passed syntax checks!"

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