#119: Add GitHub Actions workflow for generating Haddock documentation.

Author: yegor256

.github/workflows/haddock.yml

@@ -0,0 +1,37 @@
+# SPDX-FileCopyrightText: Copyright (c) 2025 Objectionary.com
+# SPDX-License-Identifier: MIT
+---
+# yamllint disable rule:line-length
+name: haddock
+'on':
+  push:
+    branches:
+      - master
+permissions:
+  contents: write
+jobs:
+  haddock:
+    runs-on: macos-15
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/cache@v4
+        with:
+          path: |
+            ~/.ghcup
+            ~/.cabal/packages
+            ~/.cabal/store
+            ~/.ghc
+            dist-newstyle
+          key: ${{ runner.os }}-haddock-${{ hashFiles('**/*.cabal') }}-${{ hashFiles('cabal.project', 'cabal.project.freeze') }}
+          restore-keys: |
+            ${{ runner.os }}-haddock-
+      - uses: haskell-actions/setup@v2.8.0
+        with:
+          ghc-version: '9.6.7'
+          cabal-version: '3.12.1.0'
+      - run: cabal update
+      - run: cabal haddock --haddock-hyperlink-source --haddock-html-location='https://hackage.haskell.org/package/$pkg-$version/docs'
+      - uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          folder: dist-newstyle/build/aarch64-osx/ghc-9.6.7/phino-0.0.0.0/doc/html/phino
+          branch: gh-pages

README.md

@@ -6,6 +6,7 @@
 [![cabal-linux](https://github.com/objectionary/phino/actions/workflows/cabal.yml/badge.svg)](https://github.com/objectionary/phino/actions/workflows/cabal.yml)
 [![stack-linux](https://github.com/objectionary/phino/actions/workflows/stack.yml/badge.svg)](https://github.com/objectionary/phino/actions/workflows/stack.yml)
 [![codecov](https://codecov.io/gh/objectionary/phino/branch/master/graph/badge.svg)](https://codecov.io/gh/objectionary/phino)
+[![Haddock](https://img.shields.io/badge/docs-Haddock-blue.svg)](https://objectionary.github.io/phino/)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSES/MIT.txt)
 [![Hits-of-Code](https://hitsofcode.com/github/objectionary/phino?branch=master&label=Hits-of-Code)](https://hitsofcode.com/github/objectionary/phino/view?branch=master&label=Hits-of-Code)
 [![PDD status](https://www.0pdd.com/svg?name=objectionary/phino)](https://www.0pdd.com/p?name=objectionary/phino)

phino.cabal

@@ -13,6 +13,7 @@ copyright: 2025 Objectionary.com
 category: Language, Code Analysis
 build-type: Simple
 extra-source-files: resources/*.yaml
+extra-doc-files: README.md
 
 source-repository head
   type: git