ci.yml

name: CI

# Build the compiler from source, verify the self-hosting fixpoint, and compile
# + run the examples — on every push and pull request, so regressions surface
# before a release tag rather than at release time.

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

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-and-test:
    name: ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-14]   # glibc/gcc and Darwin/clang
    env:
      GH_TOKEN: ${{ github.token }}     # fetch-seed.sh: GitHub API for the seed
    steps:
      - uses: actions/checkout@v4

      # examples/stdlib/sqlite_demo.xi links libsqlite3 (the FFI demo). macOS ships it
      # in the SDK; Ubuntu needs the -dev package for the linker.
      - name: Install example dependencies (Linux)
        if: runner.os == 'Linux'
        run: sudo apt-get update && sudo apt-get install -y libsqlite3-dev

      - name: Bootstrap (download seed, compile, self-rebuild)
        run: ./compiler/bootstrap.sh

      - name: Self-hosting fixpoint
        run: ./compiler/selfhost.sh

      - name: Compile and run examples
        run: |
          set -euo pipefail
          export XC_RUNTIME="$PWD/runtime"
          for f in $(find examples -name '*.xi' -not -path 'examples/showcase/*' | sort) examples/showcase/main.xi; do
            echo "== $f =="
            case "$(basename "$f")" in
              # *_test.xi files have no entry — they run via `xi test` below.
              *_test.xi) echo "  (test file — run via xi test)"; continue ;;
            esac
            ./compiler/xc "$f" >/dev/null
            bin="build/$(basename "${f%.xi}")"
            case "$(basename "$f")" in
              # Long-running demos block forever (web.serve / the cron scheduler) —
              # compile only.
              web_demo.xi|web_store_demo.xi|web_params_demo.xi|web_capture_demo.xi|web_route_capture_demo.xi|web_route_move_demo.xi|scheduled_demo.xi|scheduled_every_demo.xi) echo "  (long-running example — compile-only)" ;;
              *) if [ -x "$bin" ]; then "$bin" | head -3 || true; fi ;;
            esac
          done

      - name: Run unit tests (xi test)
        run: |
          set -euo pipefail
          export XC="$PWD/compiler/xc" XC_RUNTIME="$PWD/runtime"
          for f in $(find examples -name '*_test.xi' | sort); do
            echo "== xi test $f =="
            ./bin/xi test "$f"
          done

      - name: Web route integration test (multi-param + trailing literal)
        run: ./scripts/web_route_test.sh