Add folding and simplication for OP_ECLASS #42


	name: Clang Static Analyzer
	on: [push, pull_request]

	jobs:
	Analyze:
	runs-on: ubuntu-latest
	steps:
	- name: Setup
	run: \|
	sudo apt-get -qq update
	sudo apt-get -qq install ninja-build clang-tools

	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Configure
	run: \|
	mkdir build
	cd build
	scan-build cmake -G Ninja -DPCRE2_SUPPORT_JIT=ON -DCMAKE_BUILD_TYPE=Debug ..

	- name: Build
	run: \|
	# Inefficiently run clang scan twice; once to generate HTML, and secondly
	# to generate SARIF files. Ideally we would have some way to scan once and
	# generate one of those outputs from the other, but I don't know a good way
	# to do that.
	cd build
	scan-build -o clang-report/ ninja

	ninja clean
	scan-build -o clang-sarif -sarif ninja
	# Work around issue in GitHub's SARIF ingestion - merge all SARIF files into one
	npx -y @microsoft/sarif-multitool merge clang-sarif//.sarif --output-file=clang.sarif

	# Upload the browsable HTML report as an artifact.
	- name: Upload report
	uses: actions/upload-artifact@v4
	with:
	name: "Clang Static Analyzer report"
	path: './build/clang-report'

	# Upload the results to GitHub's code scanning dashboard.
	- name: "Upload to code-scanning"
	uses: github/codeql-action/upload-sarif@v3
	with:
	sarif_file: build/clang.sarif
	category: clang-analyzer

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