name: CI

on:
  push:
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Check out
        uses: actions/checkout@v4

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '21'

      # ANTLR runs with -Werror (see build.gradle), so any grammar warning
      # — including 184, token shadowing — fails this step.
      - name: Build grammar and compile
        run: ./gradlew build -x test

      - name: Run tests
        run: ./gradlew test

      - name: Parse all examples
        run: ./gradlew parseExamples