defaults:
  # The default for tags is to not run, so we have to explicitly match a filter.
  - build_on_tags: &build_on_tags
      filters:
        tags:
          only: /.*/
  - setup_prerelease_commit_hash: &setup_prerelease_commit_hash
      name: Store commit hash and prerelease
      command: |
        if [ "$CIRCLE_BRANCH" = release -o -n "$CIRCLE_TAG" ]; then echo -n > prerelease.txt; else date -u +"nightly.%Y.%-m.%-d" > prerelease.txt; fi
        echo -n "$CIRCLE_SHA1" > commit_hash.txt
  - run_build: &run_build
      name: Build
      command: |
        mkdir -p build
        cd build
        [ -n "$COVERAGE" -a "$CIRCLE_BRANCH" != release -a -z "$CIRCLE_TAG" ] && CMAKE_OPTIONS="$CMAKE_OPTIONS -DCOVERAGE=ON"
        cmake .. -DCMAKE_BUILD_TYPE=Release $CMAKE_OPTIONS
        make -j4
  - run_tests: &run_tests
      name: Tests
      command: scripts/tests.sh --junit_report test_results
  - solc_artifact: &solc_artifact
      path: build/solc/solc
      destination: solc
  - all_artifacts: &all_artifacts
      root: build
      paths:
        - solc/solc
        - test/soltest
        - test/tools/solfuzzer

version: 2
jobs:
  build_emscripten:
    docker:
      - image: trzeci/emscripten:sdk-tag-1.38.22-64bit
    environment:
      TERM: xterm
    steps:
      - checkout
      - restore_cache:
          name: Restore Boost build
          key: &boost-cache-key emscripten-boost-{{ checksum "scripts/travis-emscripten/install_deps.sh" }}{{ checksum "scripts/build_emscripten.sh" }}{{ checksum "scripts/travis-emscripten/build_emscripten.sh" }}
      - run:
          name: Bootstrap Boost
          command: |
            scripts/travis-emscripten/install_deps.sh
      - run:
          name: Build
          command: |
            scripts/travis-emscripten/build_emscripten.sh
      - save_cache:
          name: Save Boost build
          key: *boost-cache-key
          paths:
            - boost_1_68_0
      - store_artifacts:
          path: emscripten_build/libsolc/soljson.js
          destination: soljson.js
      - run: mkdir -p workspace
      - run: cp emscripten_build/libsolc/soljson.js workspace/soljson.js
      - run: scripts/get_version.sh > workspace/version.txt
      - persist_to_workspace:
          root: workspace
          paths:
            - soljson.js
            - version.txt

  test_emscripten_solcjs:
    docker:
      - image: circleci/node:10
    environment:
      TERM: xterm
    steps:
      - checkout
      - attach_workspace:
          at: /tmp/workspace
      - run:
          name: Install external tests deps
          command: |
            node --version
            npm --version
      - run:
          name: Test solcjs
          command: |
            test/solcjsTests.sh /tmp/workspace/soljson.js $(cat /tmp/workspace/version.txt)

  test_emscripten_external:
    docker:
      - image: circleci/node:10
    environment:
      TERM: xterm
    steps:
      - checkout
      - attach_workspace:
          at: /tmp/workspace
      - run:
          name: Install external tests deps
          command: |
            node --version
            npm --version
      - run:
          name: External tests
          command: |
            test/externalTests.sh /tmp/workspace/soljson.js || test/externalTests.sh /tmp/workspace/soljson.js

  build_x86_linux:
    docker:
      - image: buildpack-deps:bionic
    environment:
      TERM: xterm
      COVERAGE: "ON"
    steps:
      - checkout
      - run:
          name: Install build dependencies
          command: |
            apt-get -qq update
            apt-get -qy install cmake libboost-regex-dev libboost-filesystem-dev libboost-test-dev libboost-system-dev libboost-program-options-dev libcvc4-dev
            ./scripts/install_obsolete_jsoncpp_1_7_4.sh
      - run: *setup_prerelease_commit_hash
      - run: *run_build
      - store_artifacts: *solc_artifact
      - persist_to_workspace:
          root: build
          paths:
            - "*"

  build_x86_linux_cxx17:
    docker:
      - image: buildpack-deps:disco
    environment:
      TERM: xterm
      CMAKE_OPTIONS: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchains/cxx17.cmake
    steps:
      - checkout
      - run:
          name: Install build dependencies
          command: |
            apt-get -qq update
            apt-get -qy install cmake libboost-regex-dev libboost-filesystem-dev libboost-test-dev libboost-system-dev libboost-program-options-dev libcvc4-dev
            ./scripts/install_obsolete_jsoncpp_1_7_4.sh
      - run: *setup_prerelease_commit_hash
      - run: *run_build

  build_x86_archlinux:
    docker:
      - image: archlinux/base
    environment:
      TERM: xterm
    steps:
      - run:
          name: Install build dependencies
          command: |
            pacman --noconfirm -Syu --noprogressbar --needed base-devel boost cmake z3 cvc4 git openssh tar
      - checkout
      - run: *setup_prerelease_commit_hash
      - run: *run_build
      - store_artifacts: *solc_artifact
      - persist_to_workspace:
          root: build
          paths:
            - solc/solc
            - test/soltest
            - test/tools/solfuzzer

  build_x86_clang7_asan:
    docker:
      - image: buildpack-deps:cosmic
    environment:
      TERM: xterm
      CC: /usr/bin/clang-7
      CXX: /usr/bin/clang++-7
      CMAKE_OPTIONS: -DSANITIZE=address -DCMAKE_BUILD_TYPE=Debug
    steps:
      - checkout
      - run:
          name: Install build dependencies
          command: |
            apt-get -qq update
            apt-get -qy install clang-7 cmake libboost-regex-dev libboost-filesystem-dev libboost-test-dev libboost-system-dev libboost-program-options-dev libcvc4-dev
            ./scripts/install_obsolete_jsoncpp_1_7_4.sh
      - run: *setup_prerelease_commit_hash
      - run: *run_build
      - store_artifacts: *solc_artifact
      - persist_to_workspace:
          root: build
          paths:
            - solc/solc
            - test/soltest
            - test/tools/solfuzzer

  build_x86_mac:
    macos:
      xcode: "10.0.0"
    environment:
      TERM: xterm
      CMAKE_OPTIONS: -DLLL=ON
    steps:
      - checkout
      - run:
          name: Install build dependencies
          command: |
            brew unlink python
            brew install z3
            brew install boost
            brew install cmake
            brew install wget
            ./scripts/install_obsolete_jsoncpp_1_7_4.sh
      - run: *setup_prerelease_commit_hash
      - run: *run_build
      - store_artifacts: *solc_artifact
      - persist_to_workspace: *all_artifacts

  test_check_spelling:
    docker:
      - image: circleci/python:3.6
    environment:
      TERM: xterm
    steps:
      - checkout
      - attach_workspace:
          at: build
      - run:
          name: Install dependencies
          command: |
            pip install --user codespell
      - run:
          name: Check spelling
          command: ~/.local/bin/codespell -S "*.enc,.git" -I ./scripts/codespell_whitelist.txt

  test_check_style:
    docker:
      - image: buildpack-deps:bionic
    steps:
      - checkout
      - run:
          name: Check for trailing whitespace
          command: ./scripts/check_style.sh

  test_buglist:
    docker:
      - image: circleci/node
    environment:
      TERM: xterm
    steps:
      - checkout
      - run:
          name: JS deps
          command: |
            npm install download
            npm install JSONPath
            npm install mktemp
      - run:
          name: Test buglist
          command: ./test/buglistTests.js

  test_x86_linux:
    docker:
      - image: buildpack-deps:bionic
    environment:
      TERM: xterm
    steps:
      - checkout
      - attach_workspace:
          at: build
      - run:
          name: Install dependencies
          command: |
            apt-get -qq update
            apt-get -qy install libcvc4-dev libleveldb1v5 python-pip
            pip install codecov
      - run: mkdir -p test_results
      - run:
          name: Test type checker
          command: build/test/soltest -t 'syntaxTest*' -- --no-ipc --testpath test
      - run:
          name: Coverage of type checker
          command: codecov --flags syntax --gcov-root build
      - run: *run_tests
      - run:
          name: Coverage of all
          command: codecov --flags all --gcov-root build
      - store_test_results:
          path: test_results/
      - store_artifacts:
          path: test_results/
          destination: test_results/

  test_x86_clang7_asan:
    docker:
      - image: buildpack-deps:cosmic
    environment:
      TERM: xterm
    steps:
      - checkout
      - attach_workspace:
          at: build
      - run:
          name: Install dependencies
          command: |
            apt-get -qq update
            apt-get -qy install llvm-7-dev libcvc4-dev libleveldb1v5 python-pip
            # This is needed to resolve the symbols. Since we're using clang7 in the build, we must use the appropriate symbolizer.
            update-alternatives --install /usr/bin/llvm-symbolizer llvm-symbolizer /usr/bin/llvm-symbolizer-7 1
      - run: mkdir -p test_results
      - run:
          name: Run tests with ASAN
          command: |
            ulimit -a
            # Increase stack size because ASan makes stack frames bigger and that breaks our assumptions (in tests).
            ulimit -s 16384
            build/test/soltest --logger=JUNIT,test_suite,test_results/result.xml -- --no-ipc --testpath test
      - store_test_results:
          path: test_results/
      - store_artifacts:
          path: test_results/
          destination: test_results/

  test_x86_archlinux:
    docker:
      - image: archlinux/base
    environment:
      TERM: xterm
    steps:
      - run:
          name: Install dependencies
          command: |
            pacman --noconfirm -Syu --noprogressbar --needed boost z3 cvc4 git openssh tar
      - checkout
      - attach_workspace:
          at: build
      - run: mkdir -p test_results
      - run: build/test/soltest --logger=JUNIT,test_suite,test_results/result.xml -- --no-ipc --testpath test
      - store_test_results:
          path: test_results/
      - store_artifacts:
          path: test_results/
          destination: test_results/

  test_x86_mac:
    macos:
      xcode: "10.0.0"
    environment:
      TERM: xterm
    steps:
      - checkout
      - attach_workspace:
          at: build
      - run:
          name: Install dependencies
          command: |
            brew unlink python
            brew install z3
      - run: mkdir -p test_results
      - run: *run_tests
      - store_test_results:
          path: test_results/
      - store_artifacts:
          path: test_results/
          destination: test_results/

  docs:
    docker:
      - image: buildpack-deps:bionic
    environment:
      DEBIAN_FRONTEND: noninteractive
    steps:
      - checkout
      - run:
          name: Install build dependencies
          command: |
            apt-get -qq update
            apt-get -qy install python-sphinx python-pip
      - run: *setup_prerelease_commit_hash
      - run:
          name: Build documentation
          command: ./scripts/docs.sh
      - store_artifacts:
          path: docs/_build/html/
          destination: docs-html

workflows:
  version: 2
  build_all:
    jobs:
      - test_check_spelling: *build_on_tags
      - test_check_style: *build_on_tags
      - test_buglist: *build_on_tags
      - build_emscripten: *build_on_tags
      - test_emscripten_solcjs:
          <<: *build_on_tags
          requires:
            - build_emscripten
      - test_emscripten_external:
          <<: *build_on_tags
          requires:
            - build_emscripten
      - build_x86_linux: *build_on_tags
      - build_x86_linux_cxx17: *build_on_tags
      - build_x86_clang7_asan: *build_on_tags
      - build_x86_mac: *build_on_tags
      - test_x86_linux:
          <<: *build_on_tags
          requires:
            - build_x86_linux
      - test_x86_clang7_asan:
          filters:
            branches:
              only: develop
          requires:
            - build_x86_clang7_asan
      - test_x86_mac:
          <<: *build_on_tags
          requires:
            - build_x86_mac
      - docs: *build_on_tags
      - build_x86_archlinux: *build_on_tags
      - test_x86_archlinux:
          <<: *build_on_tags
          requires:
            - build_x86_archlinux