c-bindings.yml

name: C bindings

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

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: --deny warnings
  SHARED_OBJECT: target/release/libshogi_usi_parser_c.so

jobs:
  build:
    strategy:
      matrix:
        cargo-bloat-version:
          - '0.11.0'
        cbindgen-version:
          - '0.23.0'

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: cargo version
      run: cargo --version
    - name: install nightly
      run: rustup toolchain install nightly
    - name: install cbindgen (v${{ matrix.cbindgen-version }})
      run: cargo install cbindgen --version ${{ matrix.cbindgen-version }}
    - name: install cargo-bloat (v${{ matrix.cargo-bloat-version }})
      run: cargo install cargo-bloat --version ${{ matrix.cargo-bloat-version }}
    - name: Build
      run: make sharedlib
    - name: Assert that headers are up to date
      run: make check-include
    - name: Assert that cdylib does not contain `panic_bounds_check`-related symbols
      run: |
        if nm ${SHARED_OBJECT} | grep --fixed-strings panic_bounds_check; [ $? -ne 1 ]; then
          echo '`panic_bounds_check`-related symbols found in '${SHARED_OBJECT}
          exit 1
        fi
    - name: Assert that cdylib does not contain the symbols `do_count_chars` and `pad_integral`
      run: |
        if nm ${SHARED_OBJECT} | grep --fixed-strings --regexp=do_count_chars --regexp=pad_integral; [ $? -ne 1 ]; then
          echo '`do_count_chars` or `pad_integral` found in '${SHARED_OBJECT}
          exit 1
        fi
    - name: Assert that cdylib does not contain the symbol `write_char`
      run: |
        if nm ${SHARED_OBJECT} | grep --fixed-strings write_char; [ $? -ne 1 ]; then
          echo '`write_char` found in '${SHARED_OBJECT}
          exit 1
        fi
    - name: '`readelf` (section headers)'
      run: readelf --section-headers ${SHARED_OBJECT}
    - name: Test
      run: make c_tests
    - name: cargo bloat (display, release)
      run: cargo +nightly bloat --release --no-default-features --features alloc
    - name: cargo bloat (display, per-crate, release)
      run: cargo +nightly bloat --release --no-default-features --features alloc --crates
    - name: cargo bloat (testing, release)
      # Size <= 50KiB?
      run: cargo +nightly bloat --release --no-default-features --features alloc --message-format json | jq --exit-status '."file-size" <= 51200'