proc-macro2 1.0.38

A substitute implementation of the compiler's `proc_macro` API to decouple token-based libraries from the procedural macro use case.
Documentation 
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name: CI

on:
  push:
  pull_request:
  schedule: [cron: "40 1 * * *"]

env:
  RUSTFLAGS: -Dwarnings

jobs:
  test:
    name: Rust ${{matrix.rust}}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        rust: [1.31.0, stable, beta]
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust}}
      - run: cargo test
      - run: cargo test --no-default-features
      - run: cargo test --features span-locations
      - name: RUSTFLAGS='--cfg procmacro2_semver_exempt' cargo test
        run: cargo test
        env:
          RUSTFLAGS: --cfg procmacro2_semver_exempt ${{env.RUSTFLAGS}}
      - name: RUSTFLAGS='--cfg procmacro2_semver_exempt' cargo test --no-default-features
        run: cargo test --no-default-features
        env:
          RUSTFLAGS: --cfg procmacro2_semver_exempt ${{env.RUSTFLAGS}}

  nightly:
    name: Rust nightly
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@nightly
      - run: cargo test
      - run: cargo test --no-default-features
      - run: cargo test --no-default-features -- --ignored # run the ignored test to make sure the `proc-macro` feature is disabled
      - run: cargo test --features span-locations
      - run: cargo test --manifest-path tests/ui/Cargo.toml
      - name: RUSTFLAGS='--cfg procmacro2_semver_exempt' cargo test
        run: cargo test
        env:
          RUSTFLAGS: --cfg procmacro2_semver_exempt ${{env.RUSTFLAGS}}
      - name: RUSTFLAGS='--cfg procmacro2_semver_exempt' cargo test --no-default-features
        run: cargo test --no-default-features
        env:
          RUSTFLAGS: --cfg procmacro2_semver_exempt ${{env.RUSTFLAGS}}
      - name: RUSTFLAGS='-Z allow-features=' cargo test
        run: cargo test
        env:
          RUSTFLAGS: -Z allow-features= ${{env.RUSTFLAGS}}
      - run: cargo update -Z minimal-versions && cargo build

  webassembly:
    name: WebAssembly
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@nightly
        with:
          target: wasm32-unknown-unknown
      - run: cargo test --target wasm32-unknown-unknown --no-run

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@clippy
      - run: cargo clippy --tests -- -Dclippy::all -Dclippy::pedantic
      - run: cargo clippy --tests --all-features -- -Dclippy::all -Dclippy::pedantic

  miri:
    name: Miri
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@miri
      - run: cargo miri test
        env:
          MIRIFLAGS: -Zmiri-tag-raw-pointers

  outdated:
    name: Outdated
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/install@cargo-outdated
      - run: cargo outdated --exit-code 1